estec CONSTRUCTION OF NEW Zd GOODS INWARDS BUILDING

ESA UNCLASSIFIED – For Official Use

estec European Space Research and Technology Centre Keplerlaan 1 2201 AZ Noordwijk The Netherlands T +31 (0)71 565 6565 F +31 (0)71 565 6040 www.esa.int

CONSTRUCTION OF NEW Zd GOODS INWARDS BUILDING

Prepared by Reference Issue Revision Date of Issue Status Document Type Distribution

HFI-FT EIFM-EIFM-BF-SOW-1048-HFI-FTF 1 2 03-09-2013 Approved/Applicable SOW


Title Issue 1

Revision 2

Author

Date 03-09-2013

Approved by

Date

Reason for change

Issue

Revision

Date

Issue 1 Reason for change

Revision 2 Date

Pages

Paragraph(s)

Page 2/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


Table of contents: 1 INTRODUCTION ................................................................................................................................6 2 STAGING OF THE PROJECT .............................................................................................................. 7 2.1 Schedule of the project(s) .................................................................................................................................................. 7 3 ASBESTOS ......................................................................................................................................... 7 4 INTRODUCING ESTEC ......................................................................................................................8 5 RELATED DOCUMENTS .................................................................................................................. 10 5.1 Applicable Documents ..................................................................................................................................................... 10 5.2 Reference Documents .......................................................................................................................................................11 6 DEFINITIONS & ABBREVIATIONS .................................................................................................. 12 7 EQUIVALENCE ................................................................................................................................ 13 8 WP1 - WORK DESCRIPTION FOR SECURITY FEATURES ............................................................... 14 8.1 Access Control Systems ................................................................................................................................................... 14 8.2 Existing and Required Ducting ....................................................................................................................................... 15 8.2.1 Fibre optic cable connection from Aj to new technical room Zd ................................................................................. 15 8.3 Security Fencing and Access to the Transit Area ............................................................................................................ 15 8.4 Security Equipment in Zd ................................................................................................................................................ 15 8.5 Equipment in Zc and Ab .................................................................................................................................................. 15 9 WP2 – ROAD WORKS ...................................................................................................................... 16 9.1 Road Markings ................................................................................................................................................................. 16 9.2 Road Crossing and routing of telecoms .......................................................................................................................... 16 9.3 Signage ............................................................................................................................................................................. 16 9.4 1.1 Ground and Pavement Works for Turning Trucks .................................................................................................... 16 9.5 Barriers ............................................................................................................................................................................. 17 9.5.1 Fixed Barrier .................................................................................................................................................................. 17 9.5.2 Manually openable barrier ............................................................................................................................................ 17 9.5.3 Barrier with traffic light and detection loops ............................................................................................................... 17 9.5.3.1 Warning light .............................................................................................................................................................. 17 9.6 Cycle and Pedestrian Paths .............................................................................................................................................. 17 9.7 Electrical Cabinet Relocation .......................................................................................................................................... 17 10 WP3 - Zd BUILDING WORKS .......................................................................................................... 18 10.1 Civil Work Description..................................................................................................................................................... 18 10.1.1 Site Clearance and Preparation ..................................................................................................................................... 18 10.1.2 Existing Services – Re-routing and protection............................................................................................................. 18 10.1.3 Extents of Work ............................................................................................................................................................. 18 10.1.4 The Façade Cladding ..................................................................................................................................................... 18 10.1.5 Roofing ........................................................................................................................................................................... 19 10.1.5.1 Roof Access ................................................................................................................................................................. 19 10.1.6 Flooring .......................................................................................................................................................................... 19 10.1.7 Interior Walls ................................................................................................................................................................ 20 10.1.7.1 Toilet areas ................................................................................................................................................................. 20 10.1.7.2 Technical Room ......................................................................................................................................................... 20 10.1.7.3 Office Area.................................................................................................................................................................. 20 10.1.8 Structural Wall .............................................................................................................................................................. 20 10.1.8.1 Wall between Office and Storage Area ...................................................................................................................... 20 10.1.9 Counter and Glass Partition ......................................................................................................................................... 20 10.1.10 Office and Toilet Ceilings ............................................................................................................................................. 20 10.1.11 Doors ............................................................................................................................................................................. 20 10.1.11.1 External Overhead Doors .......................................................................................................................................... 20 10.1.11.2 Internal Rolling Door ................................................................................................................................................. 21 10.1.11.3 Internal Standard Doors............................................................................................................................................. 21 Page 3/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


10.1.11.3.1 Internal Special Doors .......................................................................................................................................... 21 10.1.11.4 Exterior Doors............................................................................................................................................................. 21 10.2 Windows ...........................................................................................................................................................................22 10.3 Landscaping .....................................................................................................................................................................22 10.4 Mechanical Work Description .........................................................................................................................................23 10.4.1 Infrastructure Connections ...........................................................................................................................................23 10.4.2 Gas meter .......................................................................................................................................................................23 10.4.3 Heating ...........................................................................................................................................................................23 10.4.3.1 Energy saving ..............................................................................................................................................................23 10.4.3.2 Boiler and heating system ..........................................................................................................................................23 10.4.4 Radiators ........................................................................................................................................................................23 10.4.5 Fancoil units...................................................................................................................................................................23 10.4.6 Water ..............................................................................................................................................................................24 10.4.6.1 Main Domestic Water line – Rerouting .................................................................................................................... 24 10.4.6.1.1 Fire fighting water ................................................................................................................................................ 24 10.4.6.2 Toilets and wash hand basins.................................................................................................................................... 24 10.4.6.3 Waste/Sewage Water ................................................................................................................................................. 24 10.4.7 Rain water drainage.......................................................................................................................................................24 10.4.8 Ventilation...................................................................................................................................................................... 25 10.4.8.1 Extractor fans .............................................................................................................................................................. 25 10.4.8.2 Ventilation Unit .......................................................................................................................................................... 25 10.5 Electrical Work Description ............................................................................................................................................26 10.5.1 Infrastructure Connections ...........................................................................................................................................26 10.5.2 Power to Building Zd .....................................................................................................................................................26 10.5.3 Emergency Power to Building Zd..................................................................................................................................26 10.5.4 Electrical Distribution Panel .........................................................................................................................................26 10.5.5 Power distribution .........................................................................................................................................................26 10.5.6 Lighting .......................................................................................................................................................................... 27 10.5.7 Safety earth .................................................................................................................................................................... 27 10.5.8 UCS ................................................................................................................................................................................. 27 10.5.9 Fire detection ................................................................................................................................................................. 27 10.5.10 Evacuation System ................................................................................................................................................... 28 10.5.11 Cable trays and interior ducting................................................................................................................................... 28 10.5.12 19” Racks ....................................................................................................................................................................... 28 10.5.13 Electrical Connection Points for Charging Stations .................................................................................................... 28 10.5.14 Doorbell......................................................................................................................................................................... 28 10.5.15 Alarm Connection Panel ............................................................................................................................................... 28 11 WP4 NEW ROOFING OVER THE EXISTING BARRIERS ................................................................. 29 11.1 LED Lighting ....................................................................................................................................................................29 11.2 Safe Roof Access ...............................................................................................................................................................29 11.3 Lightning Protection ........................................................................................................................................................29 12 WP5 EXTENSION TO Zd – STORAGE FOR ESCAPE ACTIVITIES.....................................................30 13 CONTRACTOR’S TASKS AND RESPONSIBILITIES .......................................................................... 31 13.1 Specific requirements ...................................................................................................................................................... 31 13.2 Conveyance of waste ........................................................................................................................................................ 31 13.2.1 Burning of waste and other materials ........................................................................................................................... 31 13.2.2 Conveyance of rubble, waste and packaging material.................................................................................................. 31 13.3 Interconnections .............................................................................................................................................................. 31 13.4 Shutting Down/Switching Off any System ..................................................................................................................... 31 13.5 Interference with Existing Buildings and Work Areas ...................................................................................................32 13.6 ESA-ESTEC Security, Safety, Health & Environment Requirements ............................................................................32 13.6.2 Security...........................................................................................................................................................................33 13.6.3 Health and Safety Plan ..................................................................................................................................................33 Page 4/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


13.6.3.1 Risk Assessment Report .............................................................................................................................................33 13.7 Changes to the SoW .........................................................................................................................................................34 13.8 Discrepancies ...................................................................................................................................................................34 13.9 Before Starting the Work .................................................................................................................................................34 13.10 Organisation & Interfaces ................................................................................................................................................ 35 13.10.1 Key personnel ................................................................................................................................................................ 35 13.10.2 The Contractor’s Project Leader ................................................................................................................................... 35 13.10.3 The Contractor’s Health & Safety Coordinator ............................................................................................................ 35 13.11 Meetings & Reporting ...................................................................................................................................................... 35 13.11.1 Minutes of Meetings ...................................................................................................................................................... 35 13.12 Approval of Documents ...................................................................................................................................................36 14 COMMISSIONING / ACCEPTANCE .................................................................................................. 37 14.1 Commissioning ................................................................................................................................................................ 37 14.2 Inventory Database and Labels ..................................................................................................................................... 37 14.3 Fire Proofing..................................................................................................................................................................... 37 14.3.1 Fire seals ........................................................................................................................................................................ 37 14.4 Acceptance ...................................................................................................................................................................... 38 14.4.1 Site Acceptance Procedure ........................................................................................................................................... 38 14.4.2 Site Acceptance Test ..................................................................................................................................................... 38 15 GUARANTEES ................................................................................................................................. 39 16 DELIVERABLE DOCUMENTATION ................................................................................................ 40 16.1 List of deliverable documentation before works commence ......................................................................................... 40 16.2 List of deliverables required during execution of the work ............................................................................................42 16.3 List of deliverables required after completion of the work ............................................................................................43 ANNEX ...................................................................................................................................................44  PHOTOGRAPHS ..............................................................................................................................44  DRAWINGS (AD14) .........................................................................................................................44  EXPERT TRAFFIC ADVICE (AD15) .................................................................................................. 44  SOIL REPORT(S) (AD16) .................................................................................................................44



1

INTRODUCTION

This project will create Goods Inwards facilities in a new building, Zd, which will comply with Dutch customs requirements. Building Zd will be used as a storage depot for Goods Inwards and will also house an administration office. A new transit area and truck entrance will also be created and part of the construction shall act as a new perimeter of the ESTEC site. This entrance is not intended as a replacement entry point for all delivery vehicles: only traffic that currently services the Agency’s goods inwards and outwards will be affected. In addition, new roofing will be added to the existing barriers to protect the guards working there from the elements. Lastly, building Zd will be extended to provide for a storage area for leisure activities. This statement of work has been divided into five work packages:

WP1

Describes the security features necessary to complete this installation,

WP2

Pertains to the road work requirements,

WP3

Concerns the more general infrastructure requirements of Zd,

WP4

Describes new roofing over the existing barriers.

WP5

Storage Extension

The design that is presented here is merely preliminary in nature. The contractor shall develop this design using expert analysis, especially with regard to safety and security, to deliver the final detailed design. Work Packages 2 and 3 are the Baseline of this project, and need to be delivered as “Turn Key” ; this means that the contractors shall create the final design, receive approval from the Agency for this design, deliver and install all required components, and finally hand-over the completed work package(s) fit for its purpose, free from defects and ready to be used. Work Packages 1, 4 and 5 are optional parts of this project. All works shall be fully compliant with the contract requirements, Dutch law and all statutory regulations, stipulations and current norms. The latest hand-over date for this project is the end of 2014.



2

STAGING OF THE PROJECT

Each work package shall be implemented according to the following main stages: PHASE 1: I. II.

Final design, Validation of the final design by the Agency

III. IV. V.

Execution of the works, Commissioning, S.A.T.

PHASE 2:

Phase 2 shall not commence before the final design has been agreed with, approved and validated by the Agency. The timeframe for submission of the final design and validation shall be agreed by all parties during the kick-off and integrated into the planning. If modifications or extensions to the existing installations, including underground networks (temporary or otherwise) are required for the normal execution of the works then they are to be considered as part of the project to be delivered by the contractor without any additional payment from the Agency.

2.1

Schedule of the project(s)

The latest hand-over date for the delivery of the Baseline work Package is the end of 2014.

3

ASBESTOS

These works will be carried out in “Asbestos safe” areas and ESA-ESTEC does not foresee its presence being encountered during the execution of this project. However, should the presence of Asbestos be confirmed, it shall be immediately reported and a discussion regarding the best way to proceed shall commence between the contractor and ESTEC. The contractor must acknowledge and sign the Asbestos Control Plan before any works can begin.



4

INTRODUCING ESTEC

The European Space Research and Technology Centre (ESTEC) covers 44 Ha of land and includes offices and large facilities, such as laboratories, test facilities, clean rooms, technical buildings, roads, parking areas, ground utilities, rainwater ponds, a restaurant, conference rooms and sport facilities. Currently, the total built area is approximately 110,000m², consisting of approximately 40,000m² of offices and meeting rooms, 35,000m² of highly technical laboratories and facilities, 15,000m² of plant rooms and technical areas, 7,500m² of storage space and 12,500m² of other miscellaneous facilities. The offices accommodate 2,700 people daily on the ESA-ESTEC site. In addition, there are Large Technical facilities on site (such as boilers, Liquid Nitrogen tanks, heating and air-conditioning plants and many distribution systems for the above installations) and large testing facilities for satellites. Approximately 30 delivery vehicles of varying sizes arrive on site every day. The following page shows a plan view of the site and the location of the works.



Future Location of Zd



5

RELATED DOCUMENTS

5.1

Applicable Documents

The below listed Applicable Documents can be obtained from ESA-ESTEC upon request: AD1

EIFM-EIFM-BF-TN-1006-OPS-ETF GUIDELINES STIPULATIONS FOR CIVIL WORKS AT ESA-ESTEC

AND

TECHNICAL

AD2

EIFM-EIFM-BF-TN-1007-OPS-ETF Mechanical Guidelines Stipulations for the Installations at ESA-ESTEC Noordwijk

AD3

EIFM-EIFM-BF-TN-1003-OPS-ETF General Technical Stipulations for Electrical installations

AD4

Not applicable

AD5

EIFM-ESTC-RFB-PL-1002-OPS-ST Asbestos Control Plan (latest issue)

AD6

EIFM-EIFM-BF-PR-1020-OPS-ETF The ESA universal cabling standard

AD7

EIFM-EIFM-BF-PR-1019-OPS-ETF Stipulations BMS

AD8

EIFM-EIFM-BF-DR-1001-OPS-ETF ESA ESTEC Drawing Standards

AD9

EIFM-EIFM-FB-PR-1016-OPS-ETF User-address for Building Management System

AD10

HSE-2010-019 Health Safety and Environmental Manual

AD11

Not applicable

AD12

EIFM-EIFM-HS-PR-1010-HFI-ETH Contractors Safety Booklet

AD13

EIFM-EIFM-BF-POL-1001-HFI-ETF ESA-ESTEC ELECTRICAL POLICY

AD14

Drawing List (Contained in the Annex)

AD15

Traffic advice from expert adviser (Contained in the Annex)

AD16

Soil investigation and improvement reports (Contained in the Annex)

&

Technical

*

*

* Acknowledgment sheets are contained in the document itself. PROC1 EIFM-EIFM-BF-PR-1003-OPS-ETF Commissioning Procedure PROC2 EIFM-EIFM-BF-PR-1005-OPS-ETF How to work according to general rules and regulations PROC3 EIFM-EIFM-BF-PR-1007-OPS-ETF Hazardous Activity Permit procedure PROC4 EIFM-EIFM-BF-PR-1015-OPS-ETF Works in wiring centres PROC5 EIFM-EIFM-BF-1006-OPS-ETF Access procedure OPS-ETF subcontractor Page 10/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


5.2

Reference Documents

RD1

Arbowet (latest version)

RD2

Arbobesluit

RD3

Arboregeling

RD4

U.A.V. (“Uniforme Administratieve Voorwaarden voor de uitvoering van werken”), as far as it is not in contradiction with the ESA contract conditions.

RD5

Dutch Standards (Standard RAW Provisions) & Regulations (NEN), all latest versions and related publications

RD6

“Bouwbesluit” – see www.vnguitgeverij.nl

RD7

Stipulations of the "Wet Milieubeheer, Veiligheids- en arbeidsomstandigheden"

RD8

"Brandbeveiligingsinstallaties", second print 2010 by NIFV/NVBR (ISBN 978-905643-395-6).

RD9

“AI-bladen” (“Arbeidsinspektie”, Den Haag (NL)

RD10

“Handboek Toegankelijkheid” (“Arbeidsinspektie”, Den Haag (NL)

RD11

The 1990 STABU-standard, published by “Stichting STABU” at Ede (NL)

RD12

Norm E.N. 13306

RD13

ISSO / SBR-publicatie 809 Brandveilige Doorvoeringen (latest edition)

RD14

NEN 1010, Veiligheidsbepalingen voor laagspanningsinstallaties (or Safety requirements for low-voltage installations)

RD15

NEN 2535, "Brandveiligheid van gebouwen - Brandmeldinstallaties - Systeem- en kwaliteitseisen en projecteringsrichtlijnen" (or Fire safety of buildings - Fire detection installations - System and quality requirements and guidelines for detector settings)

RD16

NEN 2575, "Brandveiligheid van gebouwen - Ontruimingsinstallaties - Systeemen kwaliteitseisen en projecteringsrichtlijnen” (or "Fire safety of buildings Evacuation alarm installations - System and quality requirements and guidelines for locating alarm devices)

The above lists are not exhaustive and only provided to emphasise the statutory and normative framework in which the Contractor will be required to operate. Contractor and sub-contractors shall comply with the latest version of any statutory document or norm. Reference documents are not delivered by the Agency it is the contractor’s responsibility to obtain these documents.



6

DEFINITIONS & ABBREVIATIONS

Acceptance A combination of activities and tests to determine that the building or any of its constituting parts, conform to the ESA-ESTEC requirements and to their specifications, are free of defects in workmanship and assembly. Agency

European Space Agency

AIL

Action Item List

Butterfly Finish Steel fibre concrete floor, with steel reinforcement. Top layer: Float finished portland cement with quartz sand, sprayed with curing compound to delay drying. [Staalvezelbetonvloer (met staalvezel versterkt beton), met een toplaag van gevlinderd portlandcement met kwartszand (monolithisch afgewerkt). Vloer voorzien van een gespoten curing compound, om te snelle indroging te voorkomen.] CCTV

Closed Circuit Television

Contractor The Company awarded the Contract corresponding to this Statement of Work CIFM

Computer Integrated Facility Management

ESA

European Space Agency

ESA-ESTEC Project Team Group of people, within ESA-ESTEC, responsible for the running of building projects with the ESTEC Technical Officer as contact person for the Contractor ESTEC

European Space Research and Technology Centre of ESA at Noordwijk (NL)

H&S Plan

Health and Safety plan

HVAC

Heating, Ventilation, Air Conditioning

IDS

Intrusion Detection System

IR

Infra-Red

KVMA

Keyboard, Video, Mouse and Audio

NICE

Current CCTV system used at ESA-ESTEC

PTZ

Pan, Tilt and Zoom

P.V.E. Contractor (Programma van Eisen) Programme of requirements for the fire detection system and all the interconnected components. S.A.T

Site Acceptance Test (both preliminary and final as mentioned in the contract) carried out in accordance with the Site Acceptance Procedure.



Start-up Tests These are operations of equipment, subsystems, and the overall system during the installation phase at ESA-ESTEC to verify systematically the equipment functions prior to Provisional acceptance. Site Acceptance Procedure Listing, organising, scheduling and checking the actions or tasks and deliverables by the different parties involved to enable the acceptance to be performed. (See S.A.T above and PROC1: EIFM-EIFM-BF-PR-1003-OPSETF Commissioning Procedure). SoW

The Statement of Works including all applicable & reference documents, the work description, the technical specifications, the corresponding drawings and attached annexes.

TCC

Technical Control Centre

Turn-key

A turn-key project is a type of project that is constructed by a developer and sold or turned over to a buyer in a ready-to-use condition.

7

EQUIVALENCE

All products mentioned in this description shall comply with the requirements specified by ESA-ESTEC in the relevant classical discipline stipulations. However, the Contractor can propose different manufactures of equivalent nature to the Agency. The Contractor shall demonstrate the equivalence of the proposed manufactures products on the basis of criteria defined by ESA. Any expense incurred due to demonstration of this equivalence, including those incurred by ESA, shall be paid by the Contractor. Therefore, where this document, and/or the attached drawings, state the name of a supplier, manufacturer and/or specific brand type, this shall always be read as “or equivalent”. ESA-ESTEC shall be the party to decide the proposed equality of the substitute product and if the replacement product is acceptable.



8

WP1 - WORK DESCRIPTION FOR SECURITY FEATURES

The contractor will note that this description defines the agency’s requirements and that all ancillary works required to create a fully functioning installation are deemed to be included in the contractor’s offer. The costs for ducting, routing, cabling and landscaping etc. shall be included in the contractors’ bids and such works shall not give rise to any claim for additional payment. All detection loops / detection systems required for the proper functioning of the system shall be included in the bidders’ submission.

8.1

Access Control Systems

The new ESA system is based on the KABA EXOS 9300 Access Control system. New installations must be integrated into this new system. The following key components are expected to be used in this project: 

Access Manager (incl. casing, power supply and internal batteries)



Mifare DESFire Reader (per access point)



Remote Reader MiFare (per access point)

Access control badge readers shall be installed and connected at the doors shown in drawing E05.



8.2

Existing and Required Ducting

8.2.1

Fibre optic cable connection from Aj to new technical room Zd

A fibre optic cable connection from Wiring Centre AjB55 to the new technical room in Zd shall be installed. One cable with the following types of fibres: Multi mode 24 Core 50/125 MO3 and Single mode 24 core 9/125 G655 is required (please see drawing E10 and section 9.2 for more information).

8.3

Security Fencing and Access to the Transit Area

(See drawing number C02 and section 13.6.2). Demolish and dispose of the existing fencing shown on drawing C02. New security fencing, identical to the existing perimeter fence, shall be installed as shown on the drawing and attached to Zd.

8.4

Security Equipment in Zd

(Please see drawings E06 and E07 for more information). The Zd building shall be fitted with the following equipment: 

Three CCTV cameras (two dome cameras and one normal) shall be placed in Zd and connected to the NICE system via a new video matrix. (See drawing E06).



Manually armed, passive IR intrusion detection shall be installed in Zd (see drawing E07). Motion detection shall also be fitted as shown. These systems shall set off an alarm in Ab and Zc and shall be fully tested and set in operation by the contractor.



Individual codes shall be required for all personnel with the authority to activate/deactivate the IDS. Thus the chosen system shall cater for this requirement. The IDS keypad shall be placed at the east pedestrian entrance.



Exterior status lights shall be installed above the office in Zd. They shall be visible from Zc control room. In armed mode a yellow light shall burn. If there is an IDS alarm a red flashing light shall be activated.

8.5

Equipment in Zc and Ab

Security personnel in the Zc and Ab building shall have the ability to view all new cameras. The new installation shall be completely integrated into the existing system.



9

WP2 – ROAD WORKS

9.1

Road Markings

The contractor shall develop the final design and implement the road marking for the complete area that will safely and intuitively guide vehicles to their destination whilst they are arriving and leaving the area. This complete design shall require approval from the agency before works can begin. A preliminary design is shown on drawing C02.

9.2

Road Crossing and routing of telecoms

Opening of the road shall be avoided. Directional drilling is the preferred option. Drawing E10 shows the routing of the cables and pipes. Three blow pipes running from Zd to the Aj basement shall be laid. A telephone cable will run to building Aj.

9.3

Signage

The contractor shall erect the following signage: 

A large existing sign before the main entrance guides badge holders, visitors and goods inwards traffic to their destination. This sign (estimated at 2x3 m) shall be adapted. See also drawing C02



A medium size sign at the entrance to goods inwards informing traffic of the entrance to goods inwards deliveries only. See also drawing C02



Traffic signs as mentioned on drawing C02.

The exact location and the text of the signage shall be agreed during project execution.

9.4

1.1 Ground and Pavement Works for Turning Trucks

(See drawing number C02) Goods inwards currently receives approximately 200 vehicles each working week: 40% of these are heavier than 3.5 tonnes. The truck area and the transit platform shall withstand a loading of 10 tonnes per axle. The contractor shall fill the truck area in front of Zd with suitable material up to street level and surface the area. Stability is important and deformation or compression shall be prevented, especially that which could be caused by turning heavy goods vehicles. The transit platform shall require similar detailing and these works shall be clearly accounted for in the contractor’s calculations. Rain water drainage requirements are shown on the drawings Co3 for the site installations and M01 for the building related installations.



9.5

Barriers

9.5.1

Fixed Barrier

A fixed barrier shall be installed by the cycle path to direct cyclists around the new routing. See C02 for more information.

9.5.2 Manually openable barrier A manually controlled barrier shall be installed at the vehicle entrance to Zd.

9.5.3 Barrier with traffic light and detection loops An electrically controlled barrier shall be installed at the vehicle exit of Zd. This barrier shall work in conjunction with a push button, a traffic light and detection loop. This equipment shall be installed such that a driver can press the button to engage the drive-out cycle. After a short waiting time, the traffic light on the main road shall turn red, the barrier shall open, and the traffic light at the barrier shall turn green. The vehicle can then drive out. A detection loop(s) shall determine when the vehicle has cleared the exit roadway. The traffic light at the barrier shall turn red, the barrier can then close, the traffic light on the main road shall turn green, and traffic flow can continue as normal. 9.5.3.1 Warning light The contractor shall install a flashing orange light at the visitors parking exit at the Zc gate house. This light shall flash to warn motorists that a vehicle is leaving Zd.

9.6

Cycle and Pedestrian Paths

The cycle path shall be altered at the entrance to slow down traffic and allow the visiting vehicles a better view. After Zd, slight adjustment of the cycle and pedestrian pathways are required to allow users continued access to Escape. (Drawing C02).

9.7

Electrical Cabinet Relocation

The Electrical cabinet containing street lighting distribution shall be relocated as shown on drawing C02. All cabling work associated with this relocation shall be carried out by the contractor.



10

WP3 - Zd BUILDING WORKS

10.1

Civil Work Description

10.1.1

Site Clearance and Preparation

The contractor shall clear the site in preparation for the works, removing and disposing of all soil and vegetation within the footprint of the construction site. See photos in the Annex for more information. To avoid the need for piling, soil improvement works shall be carried out in accordance with the soil investigation/advice report contained in the annex to this document.

10.1.2

Existing Services – Re-routing and protection

Please see drawings M01, M02 and M03. The existing services (domestic water, natural gas and sewerage) running through the footprint of the new building shall be diverted as shown on the drawings. A bundle of several cables running through the footprint of the new building shall be protected with a protection sleeve around the cables thus allowing them to remain under the new building, see drawing E09.

10.1.3

Extents of Work

The storage space shall be created according to layout drawing C01 and C02 contained in the annex of this statement of work. The minimum inside height of the storage area will be 7m.

10.1.4

The Façade Cladding

The Agency’s requirements for the main building are as follows: 

Sandwich panel construction, (or equivalent)The material used shall be compliant with the Welstand Commissie requirements,



Insulation value of R3,



Colour shall be agreed by the Agency prior to installation,



Properties sufficient for a seaside environment (salty air and strong winds).

The façade of the office area shall be constructed from sandstone brick/block work, plastered and painted.



10.1.5

Roofing

The roofing shall comply with NEN 6063. A minimum insulation value of R3 is required. Lightning protection, sufficient to meet the LP3 requirement shall also be placed. The roof shall be as maintenance free as possible. 10.1.5.1

Roof Access

The Agency’s maintenance contractor will be required to clean and maintain this roof under the conditions of their contract. Therefore, safe access shall be provided for and installed by the contractor under the requirement of Dutch law. If a cage ladder is required, it shall be installed on the west elevation as shown on the drawing. All safety equipment shall require as-built certification.

10.1.6

Flooring

A new reinforced concrete floor slab shall form the flooring of Zd and shall be designed to withstand the severe loads exerted upon it from truck and forklift traffic. Load Capacity: 6000 Kg/m2

B45

All the finished floors shall be level. The flooring in the office, technical room and toilet areas may have a lower specification. The floor finishings are as follows: Area

Floor Finish

Minimum Load Capacity

Concrete Quality

Loading Bay

Butterfly Finish

60 kN/m2

B45

Storage Area

Butterfly Finish

60 kN/m2

B45

Office

Marmoleum

2.5 kN/m2

B25

Toilets

Tiles (floors and walls)

2.5 kN/m2

B25

Technical Room

Marmoleum

2.5 kN/m2

B25

1st floor slabs *

Unfinished

2.5 kN/m2

B25

* 1st floor slabs on technical room and on toilet area. Please see drawing C04 for more information. The finished floor shall be dust free. (See definitions for more information regarding “Butterfly Finish).



10.1.7 10.1.7.1

Interior Walls Toilet areas including cleaning cupboard and boiler room.

All sandstone (chamfered) block walls with inside tile finish; outside painted. 10.1.7.2

Technical Room

A technical room shall be created from sandstone (chamfered) block walls, painted on both sides. 10.1.7.3

Office Area

The wall between the loading bay and office shall be of metal stud construction with plasterboard. Openings for the glass panelling and the door shall be provided.

10.1.8

Structural Wall

A structural wall shall be created between the loading bay and the storage area. This wall shall contain the rolling door. 10.1.8.1

Wall between Office and Storage Area

This wall shall be of metal stud construction with an opening for a double door.

10.1.9

Counter and Glass Partition

A new timber counter top shall be installed as shown on drawing C01, above which an openable glass partition with a lock shall be fitted. This glass partition shall be constructed using safety glass.

10.1.10

Office and Toilet Ceilings

Standard system ceilings shall be placed in accordance to ESTEC’s civil stipulations.

10.1.11

Doors

All external doors shall have an insulation value of R3. Colour scheme and Ral colours shall be agreed during project execution. All external doors shall lock to close them off outside working time. 10.1.11.1

External Overhead Doors

Three new electrically operated overhead doors shall be installed as shown on drawing C01. They shall be controllable from the inside with push buttons and be at least 5m wide and 5m high. View strips, as shown on drawing C03, and ESA logos are required. All three outside overhead doors shall be lockable. The south door, giving access to the loading bay, shall also be controllable from the office. The south door shall also be part of an interlock system with the internal rolling door. The west and east doors shall also be remote controlled. The remote controls shall be two channel random code units which shall control both doors separately. Page 20/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


10.1.11.2

Internal Rolling Door

An electrically operated rolling door shall be installed as shown on the drawing. It shall be controlled from the storage area and the office and be at least 5m wide by 5m in height. This installation shall create a secure buffer area inside Goods Inwards. The internal rolling door shall also be part of an interlock system with the south side overhead door: an override switch shall be installed in the technical room as part of this system. Two view strips are also required for this door. 10.1.11.3

Internal Standard Doors

Five internal doors shall be fitted as shown on the drawing C01. Doors complying with the current office standard within ESTEC shall be used. The toilets, the cleaner’s storage and the technical room doors shall be fitted with standard door shields. (Door type: massief houten stompe deuren). Door frames and doors shall be delivered complete with drilled key and handle holes. The door locks shall be Euro cylinders. The two toilet doors shall have toilet locks, with red and white signage on the outside. Every door shall be equipped with door stops to avoid wall damage where this is applicable. In order to select the type of door handles and door stops the contractor shall deliver samples for approval to ESA-ESTEC. In the office, on the wall next to the door, a 3333 warning sign shall be installed (double sided sticky tape). Model of signs is currently visible in refurbished offices at ESTEC. Signs and door badges shall be delivered by ESTEC and installed by the contractor.

10.1.11.3.1 Internal Special Doors One door giving access to the office from the loading bay shall be 1m wide with a glass panel. The glass contained within the frame shall be as big as possible with the bottom 0.5m closed to protect the door from trolley damage. This door shall be equipped with access control. One double bi-directional, transparent, rubber doors, giving access from the office to the storage area, shall be installed as shown on drawing C01. 10.1.11.4

Exterior Doors

Four tamper-proof exterior doors shall be placed as shown on drawing C01. These doors shall be sufficiently sealed to prevent the ingress of wind, dust and water and fitted with door closers and Doctor/Security locks. It shall always be possible to exit the building using these doors. They shall contain sufficient insulation in order to match the insulation value of the room (R4). Access control shall be fitted to the East and West access doors.



10.2

Windows

HR++ with sun foil, five with tilting inward only operation, ones with turn and tilt inward operation, shall be installed as show on C01. The turn and tilt window shall become the new delivery window. Please see also the elevation drawing C05 for the position and operation of the opening windows.

10.3

Landscaping

As a minimum requirement the contractor shall reinstate the landscape to the condition it was in prior to the works execution. This includes the proper reinstatement of earth, planting and pavement works required for ducting and routing of all infrastructure connections. Some plants will be relocated by ESTEC before the works start, the remaining plants and trees can be taken out of the working area when the works commence. This area exists of an A and A+ landscape zone with special requirements: After the works on the building and pavement have been finished, the landscape has to be restored. This means that the shrubs as described on the attached drawing (C08) have to be planted on the north side (D25) and partly on the west side (D26), to reduce the view of the building. For this purpose mature shrubs must be used. The borders round the building (D24) and the paved area (D23) have to be restored. The borders along the cycle route (A10) and main road (A9) and (D35) need to be restored with new mature plants. All plants have to be planted in fertilised ground, according to the requirements of the plant types. A+ zone are locations A9, A10 and D35. A zone are locations D23, D24, D25 and D26. See drawing C08



10.4

Mechanical Work Description

10.4.1 Infrastructure Connections Infrastructure connections are shown on drawings M01, M02 and M03 and shall be completed by the contractor.

10.4.2 Gas meter A gas meter shall be installed in the boiler room to measure consumption. The existing gas pipe shall be rerouted in accordance with drawing M03.

10.4.3 Heating 10.4.3.1

Energy saving

Alternative, energy-saving, heating systems shall be considered by the bidders and are welcomed by the Agency in their proposals. 10.4.3.2

Boiler and heating system

A state-of-the-art, highly energy efficient boiler shall be installed (in the boiler room) to supply a variable flow hydraulic heating system. A drain line for condensation water from the boiler shall be required. These shall be outside temperature and timer regulated arranged by a local, programmable controller, with a week timer taking into account office hours and long term closure of the site (Christmas closure) for a reduced temperature to a general 16 oC.

10.4.4 Radiators Locally controlled radiators shall be supplied in the office, technical room and toilets. The radiators in the office shall be regulated with a temperature control unit using a weekprogramme timer. The radiators in the technical room and toilet shall be controlled by thermostatic valve.

10.4.5 Fancoil units The storage area and the loading bay shall be heated using locally controlled fancoil units and shall be capable of maintaining a temperature in these area to between 15 oC and 18oC as a minimum requirement. Fan speed shall be controllable between 0-100% and the fan coil units shall have two-way valves. These units should be quickly able to compensate for the heat that has escaped from the opening the main doors. The Fan coil units shall be regulated with one temperature control unit in each area with week-programme timer.



10.4.6 Water See drawing M02. 10.4.6.1

Main Domestic Water line – Rerouting

A water supply line shall be realised to the toilet area and the boiler room in the Zd building. The existing main domestic water supply line shall be rerouted in accordance with drawing M02. 10.4.6.1.1 Fire fighting water Two new fire hose reels shall be placed in the building. They shall be supplied by connections to the fire fighting water line on site. The existing main fire fighting water supply line shall be rerouted in accordance with drawing M02.

10.4.6.2

Toilets and wash hand basins

A new sanitary area with two toilets and a hand wash basin shall be created. The toilets and wash hand basins shall be connected to the domestic water line. The wash hand basin shall have a high mounted spout.

10.4.6.3

Waste/Sewage Water

The building needs to be connected to Estec sewage system. There are two technical solutions foreseen.  Discharge pipe shall be routed across a ditch/waterway to the nearby pump pit next to Building Ya. The pipe shall be sunk to the bottom of the ditch to a frost-free depth. A small pump unit shall be installed in Zd to pump this waste.  Direct connection of the sewage discharge from the pumping station in Ya. Waste / Sewage Water shall be rerouted in accordance with drawing M01.

10.4.7 Rain water drainage For the rain water discharge of the building, please see drawing M01. For the site around the building, see drawing C03.



10.4.8 Ventilation See drawing M04. Three people will be accommodated in the office area with computers and lighting. 10.4.8.1

Extractor fans

Exhaust ventilation shall be supplied by means of two extractor fans installed on the underside of the roof for the following areas: 

Toilet



Loading bay and Battery charging station (Explosion safe ventilator required)

The exhaust ventilation for the loading bay and battery charging station shall be explosion safe (cannot spark or ignite exhaust fumes) will run at minimum speed for standard refreshing of the air. A push button control shall activate a timer (for ~10 min) for extra power in case a truck engine has been running inside the building. 10.4.8.2

Ventilation Unit

An ventilation unit shall be installed above the technical room with the following properties:        

Heat recovery from exhaust air, Fresh air intake grill in north façade, Exhaust air to roof outlet, Heater, Fans with speed control, Filter, Sound Damper, Ducting to supply office area.

The exhaust ventilation for the technical room and storage area shall be high speed during office hours and low speed at other times. The office area shall be over pressure (compared to the loading bay) and supplied with the legally required level of fresh air through proper air distribution and overflow grids.



10.5

Electrical Work Description

10.5.1 Infrastructure Connections Infrastructure connections are shown on drawing E10 and shall be completed by the contractor. The existing optical cables under the construction site shall not be damaged or interrupted during the construction works. The CAI cable to the Escape (Ya) building, (currently running in parallel with the existing water pipes) shall be protected with a sleeve, like other cables routed under the building (see drawing E09).

10.5.2 Power to Building Zd Power to building Zd can be supplied by installing new armoured cabling from building Ak panel Ak-0-1 via Aj to new panel Zd-1-1. Please see drawing E15 for more information.

10.5.3 Emergency Power to Building Zd E-power to building Zd can also be supplied by installing new armoured cabling from building Ak panel Ak-0-E1 via Aj to new panel Zd-1-1. Please see drawing E16 for more information. Two 16A E-power connections are required in the technical room.

10.5.4 Electrical Distribution Panel A new electrical distribution panel shall be delivered and installed to function as the local distribution. This distribution panel shall house the normal and emergency power distribution, and shall be used to feed the general lighting and power outlets. Cable connection boxes shall be clearly marked with the codes from the distribution panel group numbers, evacuation group number etc. All works shall be carried out in accordance with ESA-ESTEC guidelines, applicable documents and procedures.

10.5.5 Power distribution Please see E02 for the number and location of the power distribution installations.



10.5.6 Lighting Energy efficient lighting shall be installed in the office, toilets and technical room and shall be switched by motion detection. Standard office lighting according to ESTEC stipulations shall be supplied in the office area integrated into the ceiling system and be a minimum of 250 Lux. The storage and loading bay area shall be fitted with lighting that does not physically encroach into the room and supply a minimum of 200 Lux. The technical room requires a Lux of 250 Lux. Emergency lighting shall be installed as required by current legislation. The area around building Zd should be lit sufficiently. The existing street lighting shall be adapted as shown on drawing E01 and C02. These shall be supplied from the existing street lighting. It is the task for the contractor to calculate the required lighting strength for the site surrounding the building and take action if additional lighting is needed. One light each, switched by light sensor, shall be placed above the pedestrian doors in the east, west and south façades.

10.5.7 Safety earth The earth installation shall comply with the provisions in the latest edition of NEN 1010. An equalising earth-rail shall be installed near the new distribution panel to which all earth wires, protective wires, compensating wires and any functional earth wires are connected. This equalising rail consists of at least 4 bolts (M8) with washers. All metal fixtures within reach or those, which could electrify other metal parts during a malfunction (for example, ceiling or ducts etc.), shall be earthed. All cable trays ducts or ladders shall be connected to the equalising earth rail next to the distribution panel.

10.5.8

UCS

Two wiring centre cabinets (19") shall be installed in Zd technical room, to house the universal cabling distribution and the security communications. The contractor shall install CAT7 Terra outlets in Zd in accordance with drawing E03.

10.5.9

Fire detection

Standard smoke detectors for the office and the technical room, with manual push buttons shall be fitted as shown on drawings E04. Detectors in the storage area and the loading bay shall be suitable for diesel forklift and truck exhaust fumes. The new fire detectors and push buttons shall be connected via a new Fire Detection panel and integrated into the existing (Siemens) Fire Detection System via fire fibre optic cabling to 34/234 in Aj. Three notifications are required: technical interruption, normal, and fire alarm. The installation should be compliant with NEN2535 (latest edition). Outside strobe lights shall be fitted as shown on drawing E04. Page 27/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


10.5.10

Evacuation System

The evacuation system (Slow Whoops) shall be integrated into the new fire detection panel. The installation shall be compliant with NEN2575 (latest edition).

10.5.11

Cable trays and interior ducting

Cable trays and interior ducting shall be installed in accordance with E09. The contractor shall install the empty ducting/piping required for the installation of the access control system.

10.5.12

19” Racks

Two 19” racks shall be installed in the technical room. One will be used to mount the CCTV equipment, control system and intrusion alarm. The other shall house the UCS installation.

10.5.13

Electrical Connection Points for Charging Stations

Electrical connection points for the charging stations of three electrical vehicles (i.e. forklifts) shall be installed as shown in E08 and E02. Only the connection points themselves are deliverable under the terms of this contract.

10.5.14

Doorbell

A new doorbell shall be installed at the counter in the office which can be activated by either of two push buttons – one at the delivery window (see 10.2) and one at the east pedestrian door. See E05 for more details.

10.5.15

Alarm Connection Panel

A phoenix alarm bus unit shall be installed in the technical room to handle general infrastructure alarms. See drawing E02. The unit shall be patched to the glass fibre back bone also installed in the technical room. The following installations’ status information shall be made available:    

Sewer pump, Gas Boiler, Intrusion Alarm, Fire Detection panel,

Spare connections shall be created for future use.



11

WP4 NEW ROOFING OVER THE EXISTING BARRIERS

Please see drawings c06 and c07 for the preliminary design information. Two new roofing canopies will be added to the existing barriers to protect the guards working there from the elements. The contractor shall demonstrate that the construction meets the Agency’s requirement that the construction will be low maintenance in nature whilst also being an aesthetically pleasing solution that is sympathetic to the surrounding buildings of Zc and Zd. All elements used shall be structurally designed and installed by the contractor to withstand the prevailing harsh winds (wind zone 1) and salty environment that exists at ESTEC into consideration.

11.1

LED Lighting

Sufficient LED lighting shall be installed on the underside of the roofing to provide proper ambient lighting.

11.2

Safe Roof Access

The contractor shall provide safe access to the roofs for maintenance purposes. Ladder brackets and safety lines shall be required in accordance with Dutch law and NEN795.

11.3

Lightning Protection

The roofs shall be protected from lightning strikes. Lightning protection, sufficient to meet the LP3 requirement, shall be installed.



12

WP5 EXTENSION TO Zd – STORAGE FOR ESCAPE ACTIVITIES

The drawing show a storage area as an optional extra that the agency wishes to see a price for in the bidders’ submissions. All the general infrastructure installations will be connected to the main building. This simple structure shall have the following features: 

One story construction (h x l x w, ~4.5 x 10 x 6m),



Manual double exterior lockable doors,



Sloped saddled roof construction,



Motion detection interior lighting,



Fire detection,



Heating: Fan coil unit to maintain a frost free environment for fabric protection purposes (~15oC)



13

CONTRACTOR’S TASKS AND RESPONSIBILITIES

13.1

Specific requirements

The contractor shall validate all dimensions and measurements provide by the Agency, prior to using them in the design.

13.2

Conveyance of waste

Waste materials shall be disposed of off-site according to the material type. Their on-site collection, handling and subsequent transport from site is the contractor’s responsibility. All soil, sand, rubble, debris, planting and waste of any kind shall be removed from site and its disposal forms part of this contract.

13.2.1 Burning of waste and other materials The Agency forbids the burning of waste and other materials anywhere on the ESA-ESTEC site.

13.2.2 Conveyance of rubble, waste and packaging material The conveyance of rubble, soil, waste and packaging materials used by the contractor or his sub-contractors is the responsibility of the contractor. The contractor will be responsible for ensuring that waste, excess materials and packaging materials are placed in designated waste containers provided by the contractor. Stored materials and waste containers shall be kept at locations that are clearly shown on the site lay-out plan and their type and location require prior approval from the Agency.

13.3

Interconnections

The contractor is responsible for the design, supply and fitting of all necessary connections (permanent or otherwise) to relevant areas, buildings, services, networks or other installations to provide a fully functional final product. These works form an integral part of this contract and are deemed to be included in the contractor’s works.

13.4

Shutting Down/Switching Off any System

Before beginning any works, a detailed project planning shall be created by the contractor and this document must be approved by ESA’s project team. This planning must include information regarding specific utilities and when they have to be shut down/switched off and which areas will be consequently affected. An alarm may be triggered when any mechanical/electrical system is shut down, therefore, appropriate communications must be maintained with relevant departments (TCC, Security etc.). This project plan shall demonstrate that the contractor has taken all measures to prevent any unexpected and unwanted interruption.



13.5

Interference with Existing Buildings and Work Areas

The contractor shall ensure that his methods of working are such that any impact on ESTEC users is minimised. The execution of the works shall not prohibit access to other areas. Any works causing interruptions to ESA-ESTEC activities shall be reported two working weeks in advance and special written permission from the Agency is required. These works shall be clearly identified and described by the contractor in the bidding phase and included in the detailed project planning. The buildings and installations surrounding the work site are assumed to be in perfect condition. To avoid any later dispute, the contractor shall prepare a document showing all existing damages and problems to the surrounding environment prior to beginning the works. The contractor shall then get the document approved by the Agency. Digital photos shall be added to the documents for any significant problems. Works that cause loud noises, vibrations, dust or strong smells outside the working area must be avoided, as should those that cause interruption to water, gas and electricity supplies including internet/intranet connectivity. Furthermore, the hindrance of escape routes and access routes can only be carried out upon receiving prior permission from ESA-ESTEC. During the set-up of the work site, necessary provisions shall be made to avoid disturbances to the users of the surrounding buildings and areas. If any works could cause a significant disturbance suitable action must be taken, such as sound enclosures to reduce noise or dust screens. The provisions and costs for these means must be arranged by the contractor and included in the contract price. Any activities likely to interfere with ESA-ESTEC’s operations will require appropriate time planning, and must be agreed by the Agency. Disturbances that cannot be avoided shall be kept to a minimum duration and shall always be mentioned before they occur. These disturbances shall be clearly marked in the detailed project planning and, if possible, should be combined and executed in one time slot.

13.6

ESA-ESTEC Security, Safety, Health & Environment Requirements

13.6.1 General All contracting companies are requested to adopt a sustainable, pollution free strategy for both the design and execution of these works. The use of high performance thermal insulation materials for instance, as well as sustainable and environmentally friendly products shall be given preference. All contracting companies must fill in and sign the acknowledgment sheets at the back of both the Asbestos control plan and the Contractor’s safety booklet before beginning works (if they have not already done so for a previous contract with ESTEC).



No personnel are allowed to work at ESTEC without a Safety ID Card. This card is valid for six months and will be delivered to the contractor’s personnel upon completion of a short safety briefing delivered through self-service terminals at the main gate. Without this Safety ID card personnel will not be allowed to enter the site. Works may be delayed if personnel have forgotten or lost their Safety ID cards. Personnel will be required to sign in and out at building Gf every day.

13.6.2 Security All security measures shall be agreed in advance with ESTEC security personnel and described in the detailed project planning. ESTEC security shall not be compromised during these works and proper safeguards shall be put in place to prevent intrusion at all times. The contractor is responsible for the security of the work sites during the entire period of construction. The site shall be protected according to relevant regulations. Temporary fencing may be required around construction sites to keep out unauthorized personnel.

13.6.3 Health and Safety Plan The contractor cannot begin the requested works without a H&S plan, prior approved by the Agency. For this reason, the contractor shall submit a Health and Safety Plan, per area, at least five working days prior to the beginning of the works (execution phase according to the ARBO). The Health and Safety Plan shall include a full description of the project organisation, describe how responsibilities between all parties involved are arranged, work methods, preventive measures to avoid accidents, environmental impact statements and a programme of instructions. The plan shall also include all points required by both Dutch law and Dutch ARBO law. In the Health and Safety Plan, the special health and safety rules particular to the ESAESTEC site are also applicable. A copy of the contractor’s Health and Safety Plan must be made available to the contractor’s site supervisor and the sub-contractors made aware of its contents. The contractor is fully responsible for the execution of the Health & Safety regulations on site. All appropriate documents shall be included in the hand-over documentation that the Agency requires on completion of the project. 13.6.3.1

Risk Assessment Report

Prior to starting any work, the contractor must submit a complete risk assessment report to the Agency’s representative. This document must contain a list of all the activities, the risk associated with these activities, and the appropriate risk reducing measures that will be taken by the contractor. The contractor may request a template document from the Agency’s representative. This template can be used as a guideline for creating a risk assessment report. The contractor is fully responsible for clearly stating all risks and counter measures. Risk assessments shall be validated by the Agency’s Facility Management Infrastructure Section prior to the beginning of the works. Page 33/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


For all work which is not (fully) covered by the risk assessment in the H&S plan an additional Risk assessment, including a description of the risk reducing measures, shall be submitted. See also 13.10.3

13.7

Changes to the SoW

Any changes to the statement of work must be agreed by the Technical Representative and the Contract Officer of the Agency prior to the start of the work. Modifications made to the SoW are only allowed if agreed by the Agency’s Technical Representative and Contract Officer prior to the commencement of any alterations. The contractor and his personnel shall not take instruction from non-authorised ESA personnel. Should the contractor complete any modifications without receiving a CCN (Contract Change Notification) then he is liable for the full cost incurred in returning these works to the condition described in this SoW.

13.8

Discrepancies

Discrepancies between the written SoW, including annexes and drawings, shall be brought to the Agency’s attention during the calculation phase to avoid any change in costs during project roll-out. Discrepancies between the written SoW including annexes and any applicable normalisation and/or standard document must be brought to the Agency’s attention during the calculation phase to avoid any change in costs during the installation phase. Discrepancies between the drawings and any applicable normalisation and/or standard documentation must be brought to the Agency’s attention during the calculation phase to avoid any change in costs during project roll-out. All work that is not specifically mentioned in the Statement of Work, but that can be considered necessary for the normal progress of the work shall be considered an integral part of the SoW. Thus; the contractor shall not be entitled to request additional payment for these activities.

13.9

Before Starting the Work

This statement of work has been produced by the Agency with the greatest possible attention to detail but it remains the Contractor’s responsibility to verify that drawings and other information are correct and that all required information is in his possession.



13.10 Organisation & Interfaces 13.10.1

Key personnel

The contractor shall nominate a Project Leader who shall be responsible for the overall project.

13.10.2

The Contractor’s Project Leader

The contractor’s Project Leader is responsible for the execution of the contractor’s tasks as stated in the Statement of Works. The Project Leader shall provide the necessary internal direction and control and shall also: 

Constitute the primary interface with the ESA-ESTEC Technical Representative,



Take any measures required for the successful and time constrained completion of the tasks that are stated in the Statement of Works.

13.10.3

The Contractor’s Health & Safety Coordinator

The contractor shall nominate a Health & Safety Coordinator for both the design and implementation of this project (this person could also be the Project Leader if suitably qualified or a part-time adviser). The Health & Safety Coordinator is responsible for ensuring the works comply with all the currently applicable Dutch laws and regulations concerning Health & Safety. His or her duty will be to ensure that all Health & Safety rules and regulations are properly implemented and followed during the whole project, from first actions until completion. The co-ordinator shall ensure that all the employees of the contractor and its sub-contractors strictly adhere to these laws and regulations. The coordinator shall be certified and the Agency shall approve his or her nomination before the start of the project.

13.10.4

The Agency’s Organisation

The Agency will be represented by its Technical Officer. The Agency’s Technical Officer will liaise with all parties involved in the project and oversee the works.

13.11 Meetings & Reporting There shall be an initial “kick off” meeting, followed by two progress meetings a month, a final design validation meeting, a pre-SAT, and a final SAT (Site Acceptance Test).

13.11.1 Minutes of Meetings Unless specifically requested otherwise, the contractor’s representative shall write the minutes of all meetings with the Agency in English. The minutes shall clearly identify all agreements made and actions accepted during the meeting as well as updates to be added Page 35/53 Zd GOODS INWARDS Date 03-09-2013 Issue 1 Rev 2


to the Action Item List (AIL) and the Document List (see below). A draft shall be signed at the end of every meeting. The signature of the minutes solely indicates that the wording properly reflects the contents of the meeting. An electronic version of the minutes, in the English language, shall be sent to all stakeholders in the project within one week.

13.12 Approval of Documents Approval of the contractor’s documents shall result in the Agency’s agreement that the technical requirements have been interpreted satisfactorily, based on the circumstances existing on the date of approval, and that the activities can proceed. Approval does not release the contractor from the responsibility of complying fully with the specified technical requirements. Approval requires the timely submission of relevant documentation to the Agency. The Agency will then either approve or comment on the documents and return them within a reasonable time limit, which should not exceed 5 working days. A document can only be considered as approved after acceptance by the contractor of the Agency’s comments and after notification of the approval in writing by the Agency’s Technical Representative. Approval of the documents by the Agency is necessary to validate a task, but does not negate the responsibility of the contractor regarding the design, engineering, calculation or implementation of the works. The contractor shall submit all his calculations, shop drawings and implementation drawings to the Agency for approval before implementation. This statement is applicable to any calculation, shop or implementation drawing made by the contractor, whether or not these drawings are similar to the technical Specifications Tender Documents or whether they are due to modifications.



14

COMMISSIONING / ACCEPTANCE

14.1

Commissioning

Commissioning is a systematic process of controlling and testing the installation systems (equipment and installations) to ensure that they perform according to the contract documents, technical specifications and the Agency’s operational needs. The commissioning process must include, without being limited to, the following tasks: planning, scheduling, attendance, witnessing, testing, checking of test results, providing of commissioning reports and signing off on the installations in agreement with the technical requirements. The process will only be started after all works have been finished and the complete cleaning of the site has been carried out. All areas have to be tidied up and cleaned properly. Repairs and/or reconstructions necessary due to damage caused by the contractor will be included in the scope of works under consideration. Please see the procedure 01 “ESA-ESTEC Commissioning Procedure” for more details.

14.2

Inventory Database and Labels

New equipment shall be labelled with the inventory reference number, provided by ESA between pre-SAT and SAT, upon receipt of the inventory list. The contractor shall supply the labels, and their make and type shall be prior approved by the agency.

14.3 Fire Proofing The contractor shall deliver this project in a manner fully compliant with all fire safety requirements (Bowbesluit 2003 legislation for new buildings). The contractor’s design shall take into account the other buildings in the vicinity of the new goods inwards building. The contractor shall furnish the agency with a certificate proving his product complies with NEN - EN 1366 - 3:2009 and NEN 6069 2005. The contractor shall clearly demonstrate in his submission that his design will comply with all current legislation. The proposed solution is subject to approval from the ESA-ESTEC fire chief and the municipality.

14.3.1 Fire seals Fire seals (conforming to, and applied in accordance with the latest applicable Dutch regulations) shall be applied at all wall and floor penetrations where a fire rating is required. The contractor shall update the seal with the correct seal inventory number which will be provided by the Agency.



14.4

Acceptance

The provisional and final acceptance is described in the conditions applicable to the ESAESTEC contract.

14.4.1 Site Acceptance Procedure Two weeks prior to the Site Acceptance Test, the contractor shall provide the Agency with the commissioning procedure. This document requires prior written approval from the Agency. The contractor must adhere to these requirements and must produce the schedule showing the details of the tests mentioned in the procedure.

14.4.2 Site Acceptance Test The Site Acceptance Test (SAT) is carried out in attendance of all involved parties on the work site/area at the mutually agreed date. The purpose of the SAT is to carry out the tests in agreement with the Site Acceptance procedure. The outcome of the SAT, if positive, leads to the issuing of the Provisional Acceptance. If the SAT is not approved, the contractor must repeat the SAT at no further costs to ESAESTEC.



15

GUARANTEES

From the date of Provisional Acceptance by the agency the time period shall commence in which the Contractor shall be held responsible for any faults or defects to the installations. If during the first 12 months after the Provisional Acceptance by the Agency and/or delivery, materials or elements require replacement, the warranty of the replaced material or element shall restart from the date of replacement. Warranty Periods 30 years  Metal construction works,  Foundation,  Structural members. 10 years  Fencing,  Cladding/Façade,  Roofing,  Concrete elements,  Paving,  Glazing,  Overhead doors. 5 years  Mechanical installations,  Electrical installations,  Floor finishing / Floor covering,  Wall and ceiling systems,  Paint work,  Tile work,  Doors,  Work tops.



16

DELIVERABLE DOCUMENTATION

All documents shall be delivered on paper and electronically. Drawings shall be delivered both on paper and in AutoCAD format. The following represents the Agency’s minimum requirement:

16.1

List of deliverable documentation before works commence

The contractor shall provide a health and safety plan including a risk assessment and a detailed project planning which require prior approval from the Agency before any works can begin. The following represents the minimum requirement the contractor shall deliver: General 

All necessary documentation required to obtain permits to carry out these activities from the Dutch governing bodies,



Formal acknowledgment of having received and understood the Asbestos control plan, all required applicable documents and corresponding procedures including the Contractor’s Safety Booklet,



Detailed setup of the building site (location of containers and sheds etc.),



Detailed planning of the activities,



Health and Safety plan,



Risk Assessment,



Requests for Hazardous Activity Permits,



Formal structural calculations (if applicable to your WP), clearly stating all structural elements are adequately designed and comply with the relevant codes,



Structural calculations allowing the agency to check the contractor’s foundation and civil design (if applicable to your WP),



Any document or drawing required by the municipality for planning permissions shall be delivered by the contractor at no extra cost to the agency. ESA-ESTEC will then make the submission,



Complete list of sub-contractors if any.



Civil Works Requirements 

Civil layout drawing showing the location of fire extinguishers, emergency exits routing and emergency lighting,



Detailed road marking design,



Layout drawing system walls,



Pedestrian ground marking layout to safely route pedestrians within Zd,



Window and door numbers and schedule.

Mechanical Works Requirements 

Flow sheets,



Plant room control schematics,



Equipment list to be changed for the request of equipment numbers,



P&I drawing (Piping & Instruments).

Electrical Works Requirements 

Schematic diagram of the new distribution board including front view,



Installation layout drawings for: o Power outlets o Cable trays and ladders, o Universal cabling outlets, o Lighting, o Fire detection installation, o Evacuation installation , o Earthing installation,



Front view of the universal cabling wiring centre,



Schematic diagrams for the fire detection panel,



Schematic diagrams for the x-connection panel,



Cable list for all required cables for the request of cable numbers from ESA-ESTEC.



16.2

List of deliverables required during execution of the work

The following represents the minimum the Contractor shall deliver and maintain up-todate during the execution of the project: 

Commissioning procedure (Approved by the Agency),



All technical specification documents detailing maintenance requirements for all new technical equipment,



Labelling of all new/altered equipment,



Proof of delivery and acceptance of the legally required announcement to the Labour inspectorate,



Minutes of Meeting (MOM) in English,



Action Item List (AIL),



Revised and up-to-date detailed project planning,



Revised drawings.

The Contractor shall create and maintain a Document List, recording all the documents produced during the work including reports, specifications, plans, drawings and minutes. The Document List shall indicate the document reference, type of document, date of issue, status (draft or approved by the Agency) and distribution. This list shall be continuously updated and shall be reviewed during the relevant progress meetings.



16.3

List of deliverables required after completion of the work 

Commissioning report (based on the commissioning procedure that has been accepted by ESA-ESTEC),



Complete set of as-built documentation,



Guarantee documents for the elements used and the corresponding list of these documents,



Certificate of inspection, from third party, of the new electrical installation to prove NEN1010 and NEN3140 conformity, including grounding,



Logbooks,



Pressure test for natural gas and domestic water lines (WP3),



All equipment maintenance and operational instruction manuals,



Fire seal numbers,



Any document required under Dutch laws and statutory regulations.

Full acceptance cannot be granted until all the above mentioned documentation has been delivered to, and approved by the Agency.



ANNEX  PHOTOGRAPHS  DRAWINGS (AD14)  EXPERT TRAFFIC ADVICE (AD15)  SOIL REPORT(S) (AD16)



PHOTOGRAPHS













DRAWINGS (AD14)


NP

Visitors Bezoekers Badge Holders Pashouders Goods Inwards Deliveries Only

B73 B67

A4 Z27

B71

A5

B70

B72

B6

Z28

A6

Z29 Bx

A7

B69

A8

D35 D34

D24

D23

D33 D32

A9 A10

D26

D25

D31 D22

Z21

Z15 Z14 Z17

Z16

Z20

Z13 P

P

D21 D20 D19

P

P

P

Z18 D13D14 D12 D11

Z19 LEGEND

D15

D16

D17

Ground covering shrubs Rosehip -

Grond bedekkende struiken Rozenbottel

Ornamental shrubs Hawthorn

Opgaande sierheester Meidoorn

-


EXPERT TRAFFIC ADVICE (AD15)


Traffic aspects of the the

Title rapport Traffic aspects of the Zd Goods Inwards Project Version Final 1 Datum 14-08-2013 Project Traffic aspects of the Zd Goods Inwards Project Client ESA ESTEC Project number 13-036-001 Author Mr. R.C.P. Kapitein BBE Project leader Mr. F.W.M. Bisschop BBE Authorization Authorization

The quality management system of OmniformEngineering BV is certified according to ISO 9001: 2008. ©OmniformEngineering No part of this publication may be reproduced and / or published by print, photocopy, microfilm or any other means without prior permission of OmniformEngineering BV, nor may it be used for any other purpose than for which without such permission this print is made.

OmniformEngineering

ESA ESTEC

Alblasserdam Kelvinring 23 | 2952 BG Alblasserdam | Postbus 31 | 2950 AA Alblasserdam t +31 (0)78 - 699 07 05 f +31 (0)78 - 699 07 06 e [email protected] i www.omniformgroup.com Lemmer Houtsaachmole 21 - 23 | 8531 WC Lemmer t +31 (0)51 - 453 34 13 f +31 (0)51 - 456 07 87 KvK Rotterdam nr. 24321016

Zd Goods Inwards Project

Traffic aspects of the Zd Goods Inwards Project ESA ESTEC

Page 2 van 15

Author: R. Kapitein Version: Final

Index 1

Prologue ................................................................ ................................................................................................ ....................................................................... ....................................... 3

1.1

Scope of work ............................................................................................................................ 3

2

Review of design................................ design................................................................ ........................................................................................... ........................................................... 4

2.1 2.2 2.3 2.4

Signage ....................................................................................................................................... 4 Markings ..................................................................................................................................... 7 Access measures and traffic ...................................................................................................... 9 Access Measures and traffic .................................................................................................... 11

3

Attachments ................................................................ ............................................................................................... ............................................................... 14

3.1

Attachment 1 ............................................................................................................................ 15


1

Prologue

1.1

Scope of work

Page 3 van 15


Commissioned by ESA ESTEC in Noordwijk OmniformEngineering reviewed the design for infill development of the "Goods Inwards" building assessed on traffic engineering aspects. The reviewed draft was prepared by ESA ESTEC. The site is located near the control building.

Overview Access ESA ESTEC On the basis of the drawing "Goods Inwards Building, Building Zd, site drawing, Option A", by ESA ESTEC, dated July 24, 2013, the draft-design is reviewed on: • Engineering traffic design of space; • Engineering traffic signs and traffic lights; • Engineering traffic markings; • Traffic curve radius. Final report The comments in the draft-report on the draft-drawing are processed in the final drawing. The drawing is partial updated by ESA ESTEC and is reviewed again. The result of the test space and curve radii is given in Annex 1 and 2. In chapter 2, the evaluation of the traffic engineering will be explained.


2

Page 4 van 15


Review of design

The design is reviewed on the principles of: • ASVV 2004; • CROW-Publication 207 "Richtlijnen voor de bebakening en markering van wegen" (Guidance for road signs and markings), January 2005; • CROW-Publication 268 " Selectieve toegang en doseren" (Selective access and dosing), February 2009 • CROW-Publication 321 "Richtlijn ontruimingstijden verkeersregelinstallaties" (Guidance for cleartime of traffic lights), March 2013; • Cursim (Traffic curve radius-program). In this review, the following subjects are attended: • Traffic signs; • Traffic markings’ • Access; • Traffic lights; • Swept paths.

2.1

Signage

Signage is divided into two types: • Information signs and directive signs; • Traffic signs according to the RVV 1990. Information signs The information board with the routing of traffic is located off the site of ESA ESTEC. At the speed hump in the Keplerlaan stands an ANWB-sign, on which a bracket should be placed. The proposed information sign of the reviewed design should not be used, because it does not match the format of the lanes. There aren’t 2 exit lanes. The information sign in the center conductor in the Keplerlaan should be adjusted. Under the text “Badge Holders”, the text "Good inwards, Deliveries only" has to be mentioned. The exit lane should be open for a certain time, in relation to selective access. A time period has to be attached.

Figure 1: comments on the draft Part 1 of 3: information signs


Page 5 van 15


Traffic signs The traffic signs at the entrance to the loading and unloading area are divided into two topics: a) Setting one-way; b) Warning for cyclists with a priority sign B06; The signs in the design should be modified as shown in the figure below:

a a

b

b

Figure 2: comments on the draft Part 2 of 3: road signs


Page 6 van 15


Outside the loading and unloading area two signs should be adjusted: a) The sign D5L at the exit of the parking must be turned in the direction of the out coming traffic from the parking; b) The priority sign B05 has to be replaced by the sign B06 with the combination of right of way-marking. At the location of the loading and unloading area: c) At the location of the exit, one-way traffic should be established; d) A prohibition should be established to follow the direction ahead; e) A warning for cyclists in two directions should be placed with a priority sign B06.

d

c a

c

e

Figure 3: comments on the draft Part 3 of 3: road signs

b


2.2

Page 7 van 15


Markings

Markings are in this design subdivided into two types: • Road markings; • Lane markings. The reviewed design has the following comments: a) To separate the traffic and to highlight the entrance to the loading area a painted gore between the entrance to the truck area and the 3rd lane is used in the final drawing; b) The bicycle crossing should be designed according to publication 207, Figure 2.9. The right of way markings should be designed according to publication 207, Figure 2.2. c) Option: If the access selection (with pole) moves at the bicycle crossing, the marking has to be placed according to publication 268. If a barrier is used, only the lane marking has to be placed; d) To alert road users to the entrance an arrow mark in the axis of the lanes should be placed. The road user will be able to get in lane. e) In the application of traffic lights, there a stop line should be made at least 3 meters in front of the traffic lights. a b

c e

d

Figure 4 comments on the draft Part 2 of 3: tags


Page 8 van 15


f)

The bicycle crossing should be designed according to publication 207, Figure 2.9. The right of way markings should be designed according to publication 207, Figure 2.2. g) In the application of traffic lights, a stop line should be made at least 3 meters in front of the traffic lights. h) At the passage of the truck area at all the exit lanes a cross marking has to be placed. h f

g

Figure 5: comments on the draft Part 3 of 3: tags


2.3

Page 9 van 15


Access measures and traffic

The reviewed design has the following comments: a) Gate entrance In the draft report is proposed to move the barrier for selective access. In the final drawing the barrier is moved. The pivot point of the barrier must be on the left of the entrance related to the turning circle of a truck with trailer. b) Traffic control post entrance Option: It is also possible to replace the barrier by one or more retractable poles. This will prevent damage that may occur at the portal by the swept path of a truck with trailer. When a retractable pole is used, the design of the portal should be in accordance with the solutions in publication 268. c) Traffic lights lights The comments in the draft report at the two colored traffic lights are processed in the final drawing. ESA ESTEC has preferred tricolore lights. It is possible to apply triple lights. The stop line has to be placed at least 3 meters before the traffic lights. a

b

c

Figure 6 comments on the draft Part 2 of 3: access selection and traffic


Page 10 van 15


d) Exit xit barrier In the reviewed design is proposed to apply a barrier for selective access. The location of the barrier can lead to confusion about the priority situation by the driver. It is recommended to move the barrier behind the bicycle crossing, so it is clear that the cyclist has priority. In addition, the location behind the bicycle crossing has likely less damage by the swept path of a truck with trailer than for the bicycle crossing. e) Traffic control post exit Option: It is also possible to replace the barrier by a retractable pole. When a retractable pole is used, the design of the portal should be in accordance with the solutions in publication 268. f) Traffic Traffic lights In the reviewed design is chosen to use traffic lights for crossing the four entry lanes of the ESA-side by the out coming traffic of the loading and unloading area. ESA ESTEC has preferred bicolor lights. It is possible to apply dual lights at the passage. When the tricolor lights in the main direction are at rest, then the bicolor lights in the lateral direction show the red light. To make a difference in priority, the bicolor traffic light should be placed behind the cycle crossing. The stop line has to be placed at least 3 meters before the traffic lights, at the location of the barrier. Option: At the passage of the visitor parking a warning light should be placed with a warning “crossing traffic”. When the bicolor light of the passage of the truck area is green, the warning light should be orange and flashing.

f

f d

Option: Warning light with board:

e

Crossing traffic Barrier at this location

Figure 7 comments on the draft Part 2 of 3: access selection and traffic


2.4

Page 11 van 15


Access Measures and traffic

Swept path lorry with trailer The draft design is tested with the swept path of a lorry with trailer, length 18 m. The following comments are processed in the final drawing: a) For a trailer the curve is too small. The curbstones will be run over. This can be prevented widening the curves. It is advisable to harden the road shoulder and to place roadside blocks. b) The swept path of the lorry runs over the roadsides. The placement of objects, such as light poles must be placed outside the swept path.

b a

b

a

Figure 8 swept path lorry with trailer


Page 12 van 15


Swept path single lorry The draft design is reviewed with the swept path of a single lorry. In the design the tested swept path fits both the lateral loading and unloading, as behind loading and unloading the single lorry.

Figure 9 swept path single lorry


Page 13 van 15


Swept path delivery van The draft design is tested with the swept path of a van. The design is suited for de swept path of a delivery van.

Figure 10 Swept path delivery van


3

Attachments

Page 14 van 15



Page 15 van 15


3.1 Attachment 1 “Update design with swept paths for lorry with trailer, for single lorry and for delivery van.”





SOIL REPORTS (AD16)


Tjaden Adviesbureau voor Grondmechanica B.V. Postbus 60, 1850 AB Heiloo Barnsteenstraat 8, 1812 SE Alkmaar Telefoon 072-506 4817 Telefax

072-533 8333

www.tjadenadvies.nl [email protected]

Foundation recommendations for: ZD-Building along the Keplerlaan 1 Noordwijk ref. number date

S 13.230-F2/AJJ 29 july 2013

Client:

ESA Estec Attn. Mr. E. Aschkenasy P.O. Box 299 2200 AG Noordwijk Tel. 06-319 017 04

Drafted by

ing. A.J. Jonker

Tjaden Adviesbureau voor Grondmechanica B.V. is a part of Theo van Velzen Holding BV Chamber of Commerce 54294959 Orders are accepted according to the general conditions which are deposited at the registry of the district court in The Hague.

ADVICE

GEOTECHNICS

SOIL INVESTIGATION

LABORATORY

GEOHYDROLOGY

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

CONTENTS

page

1

INTRODUCTION

2

1.1

The present report

2

1.2

Project description

2

1.3

Geotecnical category

2

2

SOIL INVESTIGATION AND SOIL PROFILE

3

2.1

Terrain measurements

3

2.2

Cone Penetration Tests

3

2.3

Soil conditions

4

3

FOUNDATION RECOMMENDATIONS

5

3.1

Construction level and ground improvement

5

3.2

Bearing capacity of shallow foundations

5

APPENDICES 1 general directives for the performance of ground improvement 2.1 site plan S 13.230 - 1 2.2 Cone Penetration Tests S 13.230 - S1 t/m S6 2.2 borehole logs S 13.230 - HB1 t/m HB3

Noordwijk – Keplerlaan 1

Page 1 van 6

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

1

INTRODUCTION

1.1

The present report

On behalf of ESA Estec in Noordwijk, Tjaden Adviesbureau B.V. carried out a soil investigation and prepared the foundation recommendation for the construction of the ZDbuilding on the side of ESA/ESTEC along Keplerweg in Noordwijk. The results are presented in this report. 1.2

Project description

The investigation site is located along the Keplerweg in Noordwijk. The overall RD coordinates amount X = 088.700 m and Y = 470.250 m. The project location is shown at the photo below.

Photo 1: Overview of the location (source: Google Earth).

The building plan includes the construction of a number of halls. An shallow foundation by means of a slab floor with frost walls and footings for the columns will be considered. The information above has been given by the client. For further documentation about the construction we refer to the drawings and calculations of the structural engineer.

N.B. This definition forms the basis for this recommendation. It is advised to verify the information above, before the result could be applied in the design. Tjaden Adviesbureau does not guarantee accuracy of information and data provided by third parties. 1.3

Geotecnical category

The construction plan conform to NEN-9997-1 § 2.1 has been classified in the geotechnical category GC-2. Conform to NEN-9997-1 § 3.2.3 the Cone Penetration Tests should be made with a distance of not more than 15 m up to 25 m outline of the design.


Page 2 van 6

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

2

SOIL INVESTIGATION AND SOIL PROFILE

2.1

Terrain measurements

The locations of the CPT’s have been plotted by using the provided drawings. These locations are situated at the site plan. We have measured the positions of the CPT’s as well as the height related to NAP (= Dutch standard reference level). The present surface level is equal to NAP +1,77 m up to NAP +1,53 m. The upper side of a borehole cover has been measured at NAP +1,54 m.

N.B.

The results of the measurements and leveling are intended to compare the soil structures and the height in NAP. The height measurements are not intended to be used for the building structure or other purpose.

2.2

Cone Penetration Tests

The soil survey include 6 Cone Penetration Tests (CPT’s - S 13.230 - S1 t/m S6) for about 24,5 m below the surface level (m-sl). The CPT’s were carried out with an electrical cone and conform to NEN-EN 1997-2, Class 2. The vertical deviation was measured with an inclinometer. On the graphs of the CPT’s, the local friction and the friction ratio are also presented. The latter is the ratio between the local friction and the cone resistance. This ratio provides (in combination with the cone resistance) a reliable indication of soil types. table 1. Indication of the soil types based on the cone resistance and friction ratio.

type of soil gravel and course sand fine sand sand, silty sand, clayey clay peat

conus resistance (MPa) > 10 > 5 > 4 > 2 0 5 0 5

friction ratio (%) 0,2 0,6 0,6 1,4 0,8 1,4 1,0 2,0 2,0 7,0 5,0 - 12,0

Also 3 boreholes were made to a depth of 2 m minus surface level. The description of these boreholes is given in the appendices.


Page 3 van 6

date ref. number

2.3

: 29 july 2013 : S 13.230-F2/AJJ

Soil conditions

Based upon the results of the CPT’s and boreholes, the general soil profile has been schematized as follows: table 2. General Soil Profile.

Depth in m relative to NAP +1,77 m to +1,53 m +1,77 m to +1,53 m +0,0 m to -1,5 m -1,0 m to -1,5 m approx. -6,5 m approx. -12,0 m approx. -15,0 m approx. -23,0 m

Soil description surface level sand, loose to dense sand, loose to dense, alternating with clay sand, dense, alternating with clay sand, dense to very dense clay, and sand, dense, alternating with clay sand, dense to very dense maximum investigation depth

The results of the borehole logs is graphically presented in the Appendices. During the soil investigation the groundwater level was found at a depth about NAP +0,53 m up to NAP +0,67 m. This groundwater level concerns a single measurement and has therefore to be considered as an indication only.


Page 4 van 6

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

3

FOUNDATION RECOMMENDATIONS

3.1

Construction level and ground improvement

In view of the subsoil detected, a shallow foundation is feasible for the extension that is to be built. It should be emphasized that the minimum soil cover in The Netherlands is 0,8 m due to frost heave working (conform NEN 9997-1 § 6.4). Considering a ground level of approximately NAP +1,6 m on site, a foundation level of NAP +0,8 m is determined. Directly below the foundation level a well compacted sand layer is present. The excavation level must compacted with a vibrating plate in at least 4 passages, both diagonally and overlapping. In order to achieve a good foundation base ground improvement, presumably limited in scope, will be necessary. Ground improvement can be described as a removal of humuscontainig and/or loosely packed sand layers, and replacing them with clean and well-packed sand. The completion of the ground improvement process must be done in thin layers, which are compacted with, for instance, a vibrating plate. The optimum tickness of the layers depends on the vibrating equipment to be applied. The correct depth to which ground improvement is needed can only be determined at the location while work is being carried out. A good impression of the scope of the optimal ground improvement can be obtained using manual penetration tests. 3.2

Bearing capacity of shallow foundations

The bearing capacity of a shallow foundation determined according to the NEN 9997-1 “Geotechnical design of structures”. For the calculations the following representative values of soil parameters have been applied. While testing the load bearing capacity in limit state (UGT) one should determine this capacity base don the calculation value of the ground parameters. The following partial material factors are applied (conform NEN 9997-1 table A.4a): • Bulk density γγ = 1,1 • On the tangent of φ’ γφ’ = 1,15 • Cohesion γc’ = 1,6 table 3. Representative values of soil parameters.

Depth in m relative to NAP NAP +1,6 m NAP +0,0 m NAP -1,0 m


γ

γsat 3

[ kN/m ] 18 19 18

3

[ kN/m ] 20 21 20

φ’

c′

[°] 31,5 32,5 31,5

[ kPa ] 0 0 0

Page 5 van 6

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

The following is assumed: • The foundation level of square footings: NAP +0,8 m. • The foundation loads are vertical and centric. • Groundwater level: NAP +0,5 m. By applying the equilibrum theory of Prandtl, which assumes the development of logarithmic spiral slip surfaces, the calculation valuea of the bearing capacity of a foundation element can be calculated. The bearing capacity is directly related to the width and the length/width ratio of the foundation element. We calculated the bearing capacity for a number of different dimensions as a function of the ground coverage, and presented in the following table 4. The calculations are based on the same construction level. table 4. Bearing capacity for square footings in kN.

Footing siz (m)

groundcover = 0,2 m

bearing capacity Rd in kN groundgroundgroundcover cover cover = 0,4 m = 0,6 m = 0,8 m

groundcover = 1,0 m

0,6 m x 0,6 m

45

70

95

120

145

0,8 m x 0,8 m

85

135

180

225

255

1,0 m x 1,0 m

150

225

295

370

400

1,2 m x 1,2 m

235

340

445

550

575

1,4 m x 1,4 m

345

490

635

780

785

1,6 m x 1,6 m

480

670

850

1025

1025

1,8 m x 1,8 m

640

1290

1120

1290

1600

2,0 m x 2,0 m

830

1600

1420

1600

1600

In figure 3.1 the ground cover is schematically presented.

Figuur 3.1: Shallow foundation.


Page 6 van 6

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

If the ground improvement has been carried out properly, which can be determined by means of a number of test probes, differences in settling of any practical importance do not need to be considered. Cone Penetration Test S3 shows a sandy clay layer between approx. NAP -1,75 m to NAP -2,25 m. Depending on the foundation load, a settlement between 0,01 m and 0,02 m has to be expected. We trust that you order has been carried out satisfactorily and that we have informed you sufficiently, Yours sincerely, Tjaden Adviesbureau voor Grondmechanica B.V.

Ing. A.J. Jonker


Page 7 van 7

date ref. number

: 29 july 2013 : S 13.230-F2/AJJ

Annex 1:

Directives for the performance of ground improvement

•

The material to be applied is clean sand, which may not contain more than 10 % silt (particle ≥ 60 µm).

•

The sand must be mechanically compacted layer by layer. The layer thickness may not be too great, depending on the method of compaction: - Vibrating plate with an impact force of 5 to10 kN, layer thickness approx. 0,3 m. - Vibrating plate and vibratoring rollers with an impact force from 10 to 20 kN, layer thickness up to 0,7 m. - Bulldozers, loaders, scrapers, rubber tire rollers, layer thickness up to 0,2 m.

•

Compaction in 3 to 4 overlapping courses, at a rate of 3 to 4 km/hour. To begin at the bottom of the excavation, if this consist of sand and possibly was disturbed by the excavating or was already naturally loosely packed. With ground improvement of small dimensions, mechanical rammers are recommended.

•

The groundwater table may not be higher than 0,5 m below the surface to be compacted. In case of application of the heavier vibration equipement, it may be necessary for the water table to be deeper. As necessary, a dewatering pump will need to be installed.

•

Unless otherwise stated in the recommendation, the application width of the ground improvement shall be large enough that the foundation force can spread at 45° within the ground improvement.

•

It is preferred to determine the moisture content of the sand by means of in situ probing. A moisture percentage of 7 – 12 % by weight is the most favourable ( optimum of the Proctor test gives a useful indication as a rule).

•

Preferably, a ground improvement will need to be performed to a somewhat higher level (approx. 0,1 m) than the lowest point of foundation, after which the excess height can again be carefully removed. When using heavy vibration equipment, it may be neccesary to compact the top 0,1 m with a light vibratory plate.

•

The quality of the ground improvement must be uniform. This can be checked on the basis of the (manual) penetration test, and if otherwise no possible, simply by poking with a rod.

•

If the ground improvement must be performed to the level where a cone resistance approx. 4 MN/m2 (10 cm2 cone) is found the sand at a depth of 0,3 m must be produce a cone resistance of at least approx. 6 MN/m2 with the manual penetration device (cone area of 1,0 cm2), in accordance with CROW publication 22, and that must increase uniformaly to this depth. At that point compaction of approx. 96 % of the maximum Proctor density has been reached, which corresponds to an internal friction angle of approx. 32,5 %.

•

The infilling of a Construction around cellars or sunken foundation must be performed as ground improvement if futher foundation at a higher level will be built on this infil.

•

The filling or soaking of sand produces a grounc improvement of insufficiënt quality.


Page 1 van 1

Pyrietstraat 1, 1812 SC Alkmaar Tel:072-5064817 E-mail:[email protected]

Werknummer : Sonderingnr. : Datum : Maaiveld : RD-coördinaten :

Plaats Locatie Conustype Opdrachtgever Opmerking

S13230 1 11-7-2013 1.77 m. t.o.v. N.A.P. X: Y:

: Keplerlaan 1, Noordwijk. : ZD-Building, "ESA-Estec" : CF-15 : ESA-Estec :

Sondering volgens NEN 5140 klasse 2

Plaatselijke wrijving (MPa) Conusweerstand (MPa) 0.20 0.15 0.10 0.05 00 2 4 6

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26

2 1

Voorgeboord : 2.0 m

0 -1 -2 -3 -4 -5 -6

Diepte in meters t.o.v. N.A.P.

-7 -8 -9 -10 -11 -12 -13 -14 -15

29.04

-16

28.52 30.67

-17 -18

28.89 28.12

-19

28.30

-20

28.17

-21

28.20

-22

28.27

-23

28.05

0 28




S13230 1 11-7-2013 1.77 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 28.05 36.29

0 28




S13230 2 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1

Voorgeboord : 2.0 m

0 -1 -2 -3 -4 -5 -6


-7 -8

28.08

-9 -10 -11 -12 -13 -14 -15

28.34 28.01

-16

28.23 30.19

-17 -18 -19 -20 -21

28.08 28.32

-22 28.60

-23

28.50

0 28




S13230 2 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 28.50

0 28




S13230 3 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1

Voorgeboord : 2.0 m

0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15 28.24

-16 -17

28.61 28.59 28.47

28.54

-18 28.20 28.34

-19 -20

28.89

-21 28.23

-22

-23

29.38 42.59

0 28




S13230 3 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 37.89 42.59

0 28




S13230 4 18-7-2013 1.53 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 60.00

1 0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15 0.20

28.07

0.20

28.30

0.20

28.24

0.20

28.63

-16 -17 -18 -19 -20 -21 -22

0.20 0.20

28.81 39.76

-23

0.29

0 28




S13230 4 18-7-2013 1.53 m. t.o.v. N.A.P. X: Y:




-23

0.26 0.32

-24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 37.14 39.31

0 28




S13230 5 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




2

10 8

10

12

14

16

18

8 20

6 22


15.38

1 0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 29.72

-12 -13 -14 -15

0.20

28.39 28.17

-16

0.20

29.17 28.29

-17 0.20

28.09

-18 29.71 0.20

28.67

0.20

30.07 28.01

-19 -20 -21 -22

0.20

0.20

28.60

34.65

0.20 42.43

-23 0.32

0 28




S13230 5 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

0.30 0.33

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 38.81 38.63

0 28




S13230 6 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1 0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15

0.21 28.59

-16

0.23 30.37

-17 28.56 0.20

-18 -19

0.20

28.43

-20

0.20

28.57 28.19

-21

0.20

-22

0.26

39.60

0.21

-23

28.74 42.68

0.35

0 28




S13230 6 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

0.33

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 42.33 38.74

0 28

Boring: HB1(S1) Uitvoeringsdatum: 11-07-2013 Maaiveldhoogte: GWS: 110 cm-mv MV

0.00

1.77

m t.o.v. N.A.P.

X-coörd.: Y-coörd.:

1.77

Tegel 1.72

Zand, matig fijn, zwak siltig, sterk puinhoudend, bruin

1.47

Zand, matig fijn, zwak siltig, zwak puinhoudend, grijsbruin

0.50

1.00

1.50

2.00

0.77

Zand, matig grof, zwak siltig, bruin

0.27

Zand, matig grof, zwak siltig, grijs

-0.23

Schaal 1: 10

Locatie: ZD-Building, Keplerweg 1, Noordwijk. Werknummer: S13.230 Opdrachtgever: ESA-Estec Noordwijk.

getekend volgens NEN 5104


0.00

1.58

m t.o.v. N.A.P.


1.58

klinkers 1.48


1.18

Zand, matig fijn, zwak siltig, grijs

0.50

1.00

0.48

Zand, matig grof, zwak siltig, zwak schelphoudend, grijs

1.50

-0.02


2.00

-0.42

Schaal 1: 10




0.00

1.58

m t.o.v. N.A.P.


1.58

klinkers 1.48

Zand, matig fijn, zwak siltig, bruin

1.28


0.50

1.00

0.58

Zand, matig grof, zwak siltig, grijsbruin

0.18


1.50

2.00

-0.42

Schaal 1: 10



Tjaden Adviesbureau voor Grondmechanica B.V. Postbus 60, 1850 AB Heiloo Barnsteenstraat 8, 1812 SE Alkmaar Telefoon 072-506 4817 Telefax

072-533 8333

www.tjadenadvies.nl [email protected]

Funderingsadvies betreffende: ZD-Building aan de Keplerlaan 1 te Noordwijk ons kenmerk datum

S 13.230-F2/AJJ 29 juli 2013

Opdrachtgever

ESA Estec t.a.v. de heer E. Aschkenasy Postbus 299 2200 AG Noordwijk

Opgesteld door

ing. A.J. Jonker

Tjaden Adviesbureau voor Grondmechanica B.V. maakt deel uit van de Theo van Velzen Holding BV K.v.K. 54294959. Opdrachten worden aanvaard volgens de algemene voorwaarden welke zijn gedeponeerd ter griffie van de arrondissementsrechtbank te ’s-Gravenhage.

ADVIEZEN

GEOTECHNIEK

BODEMONDERZOEK

LABORATORIUM

GEOHYDROLOGIE

datum : 29 juli 2013 ons kenmerk : S 13.230-F2/AJJ

INHOUDSOPGAVE

bladzijde

1

INLEIDING

2

1.1

Het voorliggend rapport

2

1.2

Beknopte omschrijving van het bouwplan

2

1.3

Geotechnische categorie

2

2

GRONDONDERZOEK EN BODEMOPBOUW

3

2.1

Uitzetten en waterpassen

3

2.2

Sonderingen

3

2.3

Bodemopbouw

4

3

FUNDERINGSWIJZE

5

3.1

Aanlegniveaus en grondverbetering

5

3.2

Draagkracht fundering op staal

5

4

UITVOERINGSWIJZE

8

BIJLAGEN 1 2.1 2.2 2.2

algemene richtlijnen voor de uitvoering van een grondverbetering situatietekening S 13.230 - 1 sonderingen S 13.230 - S1 t/m S6 handboringen S 13.230 - HB1 t/m HB3


Pagina 1 van 8


1

INLEIDING

1.1

Het voorliggend rapport

Ten behoeve van de bouw van een bedrijfshal op het terrein van ESA Estec aan de Keplerlaan 1 te Noordwijk heeft de opdrachtgever ons bureau verzocht grondonderzoek uit te voeren en een funderingsadvies uit te werken. De resultaten van één en ander worden in het voorliggende rapport gepresenteerd. 1.2

Beknopte omschrijving van het bouwplan

Het project is gelegen aan de Keplerlaan 1 te Noordwijk. De globale RD - coördinaten bedragen X = 088.700 m en Y = 470.250 m. In onderstaande foto is de ligging van de projectlocatie aangegeven.

Foto 1: Locatieoverzicht met contouren projectlocatie (bron: Google Earth).

Het bouwplan omvat de nieuwbouw van een aantal hallen. Er is uitgegaan van de toepassing van een fundering op staal. Bovenstaande gegevens zijn verstrekt door de opdrachtgever. Voor gegevens omtrent de constructie verwijzen wij u naar de berekeningen en tekeningen van de constructeur

N.B. Deze omschrijving vormt de basis voor dit advies. Geadviseerd wordt om één en ander te verifiëren, alvorens de adviesresultaten in het ontwerp toe te passen. Tjaden Adviesbureau staat niet in voor juistheid van door derde verstrekte informatie en gegevens. 1.3

Geotechnische categorie

Het bouwplan is conform NEN-9997-1 § 2.1 in de geotechnische categorie GC-2 ingedeeld. Conform NEN-9997-1 § 3.2.3 dienen de sonderingen binnen de omtrek van het bouwplan, met een onderlinge afstand van niet meer dan 15 m à 25 m, gemaakt te zijn.


Pagina 2 van 8


2

GRONDONDERZOEK EN BODEMOPBOUW

2.1

Uitzetten en waterpassen

De sondeerpunten zijn aan de hand van de ons verstrekte tekeningen uitgezet. Deze punten zijn op de situatietekening aangegeven. Bij de sondeerpunten lag het maaiveld tussen NAP +1,77 m en NAP +1,53 m. Tevens is een putdeksel ingemeten op NAP +1,54 m. De locatie van dit punt is aangegeven op de situatietekening in bijlage.

N.B.

De inmeet- en waterpasresultaten zijn bedoeld om de bodemopbouw qua diepte met elkaar en met het NAP te vergelijken. De hoogtemetingen zijn niet geschikt en niet bedoeld om als basis voor het bouwplan of anderszins gebruikt te worden.

2.2

Sonderingen

Er zijn 6 sonderingen uitgevoerd (nrs. S13.230 – S1 t/m S6). Hiermee is de bodemopbouw tot maximaal ca. NAP -23,0 m verkend. De sonderingen zijn met een elektrische (kleefmantel-)conus uitgevoerd en voldoen aan NEN-EN 1997-2, klasse 2. Met een hellingmeter is de afwijking van de verticaal gemeten. Bij de sonderingen is tevens de plaatselijke wrijving gemeten. De plaatselijke wrijving en het wrijvingsgetal worden op de betreffende sondeergrafieken weergegeven. Het wrijvingsgetal is het quotiënt van de plaatselijke wrijving en de conusweerstand. Voor de bodem beneden de grondwaterstand geeft het wrijvingsgetal een indicatie van de grondsoorten (tabel 1). tabel 1. Indicatie van de grondsoorten op basis van de conusweerstand en het wrijvingsgetal.

grondsoort grind en grof zand fijn zand zand, silthoudend zand, kleihoudend klei veen

conusweerstand (MPa) > 10 > 5 > 4 > 2 0 5 0 5

wrijvingsgetal (%) 0,2 0,6 0,6 1,4 0,8 1,4 1,0 2,0 2,0 7,0 5,0 - 12,0

Om de toplaag in kaart te brengen zijn ter plaatse van de sonderingen S1 t/m S3 handboringen uitgevoerd.


Pagina 3 van 8


2.3

Bodemopbouw

Aan de hand van de sonderingen wordt de bodemopbouw als volgt geïnterpreteerd: tabel 2. Geïnterpreteerd bodemprofiel.

diepte vanaf (t.o.v. NAP) +1,77 m à +1,53 m +1,77 m à +1,53 m +0,0 m à -1,5 m -1,0 m à -1,5 m ca. -6,5 m ca. -12,0 m ca. -15,0 m ca. -23,0 m

bodembeschrijving maaiveldhoogte van de sondeerpunten zand, los tot vast gepakt zand, los tot matig vast gepakt met een kleilaagje zand, matig vast tot vast gepakt met kleilaagjes zand, vast tot zeer vast gepakt klei, sterk siltig en zand, matig vast gepakt met kleilaagjes zand, vast tot zeer vast gepakt einddiepte van het grondonderzoek

Voor de verkenning van de toplagen zijn 3 handboringen uitgevoerd. De opgeboorde grond is visueel beschreven en in de boorstaten uitgewerkt. De resultaten van de boringen zijn weergegeven in de bijlagen. In de boorgaten zijn grondwaterstanden gemeten van NAP +0,67 m, NAP +0,48 m en NAP +0,53 m. Bovenstaande waarnemingen zijn een momentopname. Onder invloed van seizoensafhankelijke factoren zijn fluctuaties mogelijk. De waarneming kan niet voor ontwerpdoeleinden worden gehanteerd.


Pagina 4 van 8


3

FUNDERINGSWIJZE

3.1

Aanlegniveaus en grondverbetering

Gezien de aangetroffen grondslag behoort een fundering op staal tot de mogelijkheden. De fundering dient, in verband met een vorstvrije diepte, minimaal 0,8 m minus (conform NEN 9997-1 § 6.4) het maaiveld te zijn gelegen. Uitgaande van een gemiddeld maaiveldniveau van NAP +1,6 m, is uitgegaan van een aanlegniveau van NAP +0,8 m. Onder het aanlegniveau is direct een draagkrachtige zandlaag aanwezig. Het ontgravingsniveau dient met een lichte trilplaat in meerdere gangen te worden afgetrild en verdicht. Op locaties waar direct onder het aanlegniveau los gepakte zandlagen of kleilaagjes aanwezig zijn, dienen deze door dieper te ontgraven te worden verwijderd en een grondverbetering te worden toegepast. Het ontgravingsniveau dient met een lichte trilplaat in meerdere gangen te worden afgetrild en verdicht. Een goede indruk van de omvang van de gewenste grondverbetering kan worden verkregen met behulp van handsonderingen. 3.2

Draagkracht fundering op staal

De toegepaste constructie dient te voldoen aan de volgende voorwaarden: • Uiterste grenstoestand (UGT): bij deze toetsing dient de rekenwaarde van de belasting (Vd) kleiner te zijn dan de rekenwaarde van de draagkracht (Rd). • Bruikbaarheidstoestand (BGT): getoetst wordt of de berekende zakkingen van de bovenzijde van de fundering toelaatbaar zijn. De berekening van de rekenwaarde van de draagkracht van de fundering is uitgevoerd uitgaande van de bodemschematisatie zoals weergegeven in tabel 3. Met ondergenoemde partiële factoren, conform NEN 9997-1 tabel A.4a, kunnen vervolgens de karakteristieke waarden voor de grondeigenschappen worden bepaald. • Eigen gewicht van de grond γγ = 1,1 • Tangens van de effectieve hoek van inwendige wrijving γφ’ = 1,15 • Effectieve cohesie γc’ = 1,6 tabel 3. Representatieve parameters per laag

Bovenzijde laag

γ

γsat 3

NAP +1,6 m NAP +0,0 m NAP -1,0 m

[ kN/m ] 18 19 18

3

[ kN/m ] 20 21 20

φ’

c′

[°] 31,5 32,5 31,5

[ kPa ] 0 0 0

Voor het uitwerken van het funderingsadvies zijn de volgende uitgangspunten gehanteerd: • Voor het aanlegniveau van de poerenfundering is uitgegaan van NAP +0,8 m. • Het ontwerp voorziet niet in een kruipruimte. • Er is uitgegaan van een horizontaal maaiveld, alsmede van verticaal en centrisch aangrijpende belastingen. • In de berekening is uitgegaan met een grondwaterstand van NAP +0,5 m. Noordwijk – Keplerlaan 1

Pagina 5 van 8


Aan de hand van de evenwichtstheorie van Prandtl (zie NEN 9997-1 § 6.5.2), welke uitgaat van het tot ontwikkeling komen van logaritmisch spiraalvormige glijvlakken kan de rekenwaarde van de draagkracht van een funderingselement worden berekend. De draagkracht hangt sterk af van de breedte en de lengte/breedte verhouding van het funderingselement. Door ons is de draagkracht voor een aantal verschillende afmetingen berekend als functie van de gronddekking en in de hiernavolgende tabel weergegeven. Bij de berekeningen is uitgegaan van een één en het zelfde aanlegniveau. In tabel 4 is de rekenwaarde van de draagkracht vermeld voor verschillende combinaties van poerafmetingen en gronddekking. tabel 4. Rekenwaarde draagkracht poeren aanlegniveau NAP +0,8 m

Poerafmeting (m)

gronddekking = 0,2 m

Rekenwaarde draagkracht grondgronddekking dekking = 0,4 m = 0,6 m

Rd in kN gronddekking = 0,8 m

gronddekking = 1,0 m

0,6 m x 0,6 m

45

70

95

120

145

0,8 m x 0,8 m

85

135

180

225

255

1,0 m x 1,0 m

150

225

295

370

400

1,2 m x 1,2 m

235

340

445

550

575

1,4 m x 1,4 m

345

490

635

780

785

1,6 m x 1,6 m

480

670

850

1025

1025

1,8 m x 1,8 m

640

1290

1120

1290

1600

2,0 m x 2,0 m

830

1600

1420

1600

1600

In onderstaande figuur 3.1 is de gronddekking d schematisch weergegeven

Figuur 3.1: Schematische weergave fundering op staal.


Pagina 6 van 8


Aangezien de fundering voor het overgrote gedeelte direct in vast gepakte zandafzettingen wordt aangelegd zullen de zakkingen nagenoeg nihil zijn. Dit betekent dat aan de in de norm genoemde criteria zal worden voldaan. Ter plaatse van de sondering S3 is een kleilaagje aangetroffen op een diepte van ca. NAP -1,75 m tot NAP -2,25 m. Afhankelijk van de gehanteerde belastingen moet rekening worden gehouden met een zetting van ca. 0,01 m tot 0,02 m.


Pagina 7 van 8


4

UITVOERINGSWIJZE

Eventueel op het aanlegniveau van de fundering aanwezige kleilagen dienen door dieper te ontgraven te worden verwijderd. Het ontgravingsniveau dient met een lichte trilplaat in meerdere gangen te worden afgetrild en verdicht. Hierna dient een grondverbetering aangebracht te worden. Een grondverbetering kan worden omschreven als het verwijderen van de humushoudende en/of losgepakte zandlagen, en het vervangen hiervan door schoon en goed verdicht zand. Het aanvullen van een grondverbetering dient te geschieden in dunne lagen, welke met behulp van bijvoorbeeld een trilslede verdicht worden. De gewenste laagdikte hangt af van de toe te passen trilapparatuur. Een goede indruk van de omvang van de gewenste grondverbetering kan worden verkregen met behulp van handsonderingen. De ontgraving dient te reiken tot het niveau waarop een conusweerstand groter dan ca. 4 MPa (MN/m2) wordt gevonden, of, indien het materiaal verdichtbaar is, enkele decimeters boven dit niveau. Nadat is ontgraven tot het gewenste niveau, dient dit met een trilslede in meerdere gangen te worden afgetrild, waarna de grondverbetering kan worden opgebouwd tot het aanlegniveau van de funderingsconstructie. De laagdikte hangt af van de toe te passen trilapparatuur. Vermoedelijk kan een deel van de eventueel grond weer gebruikt worden om de grondverbetering mee op te bouwen. Het materiaal dient hiertoe aan de volgende eisen te voldoen: • minder dan 10% deeltjes kleiner dan 63 µm; • minder dan 4% gloeiverlies (organische deeltjes). De kwaliteit van de grondverbetering kan achteraf eenvoudig worden gecontroleerd met behulp van handsonderingen. Voor de uitvoering van een grondverbetering zal de grondwaterstand zich tenminste 0,50 m onder het te verdichten oppervlak moeten bevinden. Voor een meer uitgebreide en gedetailleerde beschrijving van het voorafgaande verwijzen wij naar de ingesloten bijlage 1 "Algemene richtlijnen bij de uitvoering van een grondverbetering". In het vertrouwen u hiermede van dienst te zijn geweest, verblijven wij, hoogachtend, Tjaden Adviesbureau voor Grondmechanica B.V.

Ing. A.J. Jonker


Pagina 8 van 8


Bijlage 1:

Algemene richtlijnen voor de uitvoering van een grondverbetering

Met betrekking tot het uitvoeren van de grondverbetering kan het navolgende worden opgemerkt: • Het toe te passen materiaal is schoon zand, dat niet meer dan 10% slib (deeltjes kleiner dan 0,060 mm) mag bevatten. Dit zand moet laagsgewijs mechanisch worden verdicht. De laagdikte mag niet te groot zijn, afhankelijk van de wijze van verdichten: - trilsleden met een slagkracht van 5 à 10 kN, laagdikte ca. 0,3 m. - trilsleden en trilwalsen met een slagkracht van 10 à 20 kN, laagdikte tot 0,7 m. - bulldozers, loaders, scrapers, bandenwalsen, laagdikte tot 0,2 m. Verdichting in 3 à 4 elkaar overlappende gangen, bij een voortgang van 3 à 4 km/uur. Te beginnen op de bodem van de ontgraving, indien deze uit zand bestaat en mogelijk door het ontgraven is geroerd of reeds van nature losgepakt was. Bij grondverbetering van kleine afmetingen wordt het gebruik van mechanische stampers aanbevolen. •

De grondwaterstand mag niet hoger zijn dan 0,5 m onder het te verdichten oppervlak. Bij toepassing van de zwaardere trilapparatuur kan het nodig zijn dat de grondwaterstand nog dieper moet liggen. Zo nodig zal een bronbemaling moeten worden geïnstalleerd.

•

Tenzij anders vermeld in het advies, zal de aanlegbreedte van de grondverbetering zo groot moeten zijn, dat de funderingsdruk binnen de grondverbetering onder een hoek van 45° kan spreiden.

•

Het verdient de voorkeur door middel van proberen in situ de gunstigste vochtigheidstoestand van het zand vast te stellen. Meestal is een vochtpercentage van 7-12 gewichtsprocenten het gunstigst. (Optimum van de proctorproef geeft in de regel een nuttige aanwijzing).

•

Bij voorkeur zal een grondverbetering tot een iets hoger peil (ca. 0,1 m) moeten worden uitgevoerd dan het aanlegniveau van de fundering, waarna de overhoogte voorzichtig weer wordt verwijderd. Bij gebruik van zware trilapparatuur kan het nodig zijn om de bovenste 0,1 m met een lichte trilslede na te verdichten.

•

De kwaliteit van de grondverbetering dient gelijkmatig te zijn. Dit kan worden gecontroleerd aan de hand van (hand)sonderingen.

•

Indien men de grondverbetering dient uit te voeren tot het niveau waar een conusweerstand ca. 4 MN/m2 (10 cm2 conus) wordt aangetroffen zal het zand op een diepte van 0,3 m een conusweerstand van ten minste ca. 6,1 MN/m2 met het handsondeerapparaat (conusoppervlak van 1,0 cm2) moeten opleveren (Conform C.R.O.W. publ. 22) en tot deze diepte gelijkmatig moeten toenemen. Men heeft dan een verdichting bereikt van ca. 96% van de maximale proctor dichtheid hetgeen overeenkomt met een hoek van inwendige wrijving van ca. 32,5o. Indien ontgraven wordt tot conusweerstanden van ca. 6 MN/m2 (10 cm2 conus) dient het handsondeerapparaat ten minste een conusweerstand van ca. 9,2 MN/m2 op een diepte van ca. 0,3 m te registreren (Conform C.R.O.W. publ. 22). Men heeft dan een verdichting bereikt van ca. 97,5% van de maximale proctor dichtheid hetgeen overeenkomt met een hoek van inwendige wrijving van ca. 35o.

•

De aanvulling van een bouwput rondom kelders of verdiepte funderingen zal als grondverbetering moeten worden uitgevoerd indien op deze aanvulling weer op een hoger niveau wordt gefundeerd.

•

Het aanplempen of inwateren van zand levert een grondverbetering van onvoldoende kwaliteit.


Pagina 1 van 1




S13230 1 11-7-2013 1.77 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1

Voorgeboord : 2.0 m

0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15

29.04

-16

28.52 30.67

-17 -18

28.89 28.12

-19

28.30

-20

28.17

-21

28.20

-22

28.27

-23

28.05

0 28




S13230 1 11-7-2013 1.77 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 28.05 36.29

0 28




S13230 2 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1

Voorgeboord : 2.0 m

0 -1 -2 -3 -4 -5 -6


-7 -8

28.08

-9 -10 -11 -12 -13 -14 -15

28.34 28.01

-16

28.23 30.19

-17 -18 -19 -20 -21

28.08 28.32

-22 28.60

-23

28.50

0 28




S13230 2 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 28.50

0 28




S13230 3 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1

Voorgeboord : 2.0 m

0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15 28.24

-16 -17

28.61 28.59 28.47

28.54

-18 28.20 28.34

-19 -20

28.89

-21 28.23

-22

-23

29.38 42.59

0 28




S13230 3 11-7-2013 1.58 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 37.89 42.59

0 28




S13230 4 18-7-2013 1.53 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 60.00

1 0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15 0.20

28.07

0.20

28.30

0.20

28.24

0.20

28.63

-16 -17 -18 -19 -20 -21 -22

0.20 0.20

28.81 39.76

-23

0.29

0 28




S13230 4 18-7-2013 1.53 m. t.o.v. N.A.P. X: Y:




-23

0.26 0.32

-24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 37.14 39.31

0 28




S13230 5 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




2

10 8

10

12

14

16

18

8 20

6 22


15.38

1 0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 29.72

-12 -13 -14 -15

0.20

28.39 28.17

-16

0.20

29.17 28.29

-17 0.20

28.09

-18 29.71 0.20

28.67

0.20

30.07 28.01

-19 -20 -21 -22

0.20

0.20

28.60

34.65

0.20 42.43

-23 0.32

0 28




S13230 5 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

0.30 0.33

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 38.81 38.63

0 28




S13230 6 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




10 8

10

12

14

16

18

8 20

6 22


2 1 0 -1 -2 -3 -4 -5 -6


-7 -8 -9 -10 -11 -12 -13 -14 -15

0.21 28.59

-16

0.23 30.37

-17 28.56 0.20

-18 -19

0.20

28.43

-20

0.20

28.57 28.19

-21

0.20

-22

0.26

39.60

0.21

-23

28.74 42.68

0.35

0 28




S13230 6 18-7-2013 1.61 m. t.o.v. N.A.P. X: Y:




-23 -24 -25 -26 -27 -28 -29 -30 -31


-32 -33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47

-48

0.33

10 8

10

12

14

16

18

8 20

6 22

Wrijvingsgetal (%) 4 2 24 26 42.33 38.74

0 28


0.00

1.77

m t.o.v. N.A.P.


1.77

Tegel 1.72


1.47

Zand, matig fijn, zwak siltig, zwak puinhoudend, grijsbruin

0.50

1.00

1.50

2.00

0.77

Zand, matig grof, zwak siltig, bruin

0.27


-0.23

Schaal 1: 10




0.00

1.58

m t.o.v. N.A.P.


1.58

klinkers 1.48


1.18


0.50

1.00

0.48

Zand, matig grof, zwak siltig, zwak schelphoudend, grijs

1.50

-0.02


2.00

-0.42

Schaal 1: 10




0.00

1.58

m t.o.v. N.A.P.


1.58

klinkers 1.48

Zand, matig fijn, zwak siltig, bruin

1.28


0.50

1.00

0.58

Zand, matig grof, zwak siltig, grijsbruin

0.18


1.50

2.00

-0.42

Schaal 1: 10



estec CONSTRUCTION OF NEW Zd GOODS INWARDS BUILDING

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