EIFM-ESTC-BF-SOW-1004 OPS-STT Tender...

Order number: 35221

Document number: 7182050 Client: ESA Project: Asbestos Removal Project

Revision: B

Author: E. Buskens/M de Bosch Kemper/G. van Tolij Telephone: 070 3480 911

Fax: 070 3480 592

E-mail: [email protected]

Date: 18 May 2006

EIFM-ESTC-BF-SOW-1004_OPS-STT

Tender Clarification

Order number: 35221

Document number: 7182050

Revision: B

Date: 18 May 2006

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B 18-05-2006 E. Buskens/M. de

Bosch Kemper/G. van

Tolij

R. Keizer

A 08-05-2006 E. Buskens/M. de

Bosch Kemper/G. van

Tolij

R. Keizer

0 02-05-2006 E. Buskens/M. de

Bosch Kemper/G. van

Tolij

R. Keizer

Rev. Date Description Author Checked by

© Copyright Tebodin All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without permission of the publisher.

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1 In General 4

2 Statement of Work/General 4

3 Annex 1 (AD 20) civil technical specification office areas (doc. no. ) 4

4 Annex 2 (AD 21) civil technical specification test centre (doc. no. 1182004 ) 7

5 Annex 3 (AD 22) mechanical technical specification office areas (doc. no. 1599002 ) 10

6 Annex 4 (AD 23) mechanical technical specification test centre (doc. no. 1599003) 11

7 Annex 5 (AD 24) electrical technical specification office areas (doc. no. 4199001 ) 11

8 Annex 6 (AD 25) electrical technical specification test centre (doc. no. ) 11

9 Annex 7 (AD 26) technical specifications for the handling of equipment (doc. no. 7182004) 11

10 Annex 8 (AD 27) health and safety plan engineering phase (doc. no. ) 15

11 Annex 9 (AD 29) technical specification for the asbestos removal (doc. no. 7182006) 15

12 Annex 10 (AD 30) planning of the works (doc. no. 7182005) 16

13 Annex 11 (AD 5) mechanical stipulations (doc. no. ) 17

14 Annex 12 (AD 1) civil stipulations (doc. no. ) 17

Table of contents Page

Attachments Revision Date

Facility Occupation Schedule Inergen Cg ground floor ABAN-001.pdf

24-04-06 08-05-06

Presentation tender clarification (sent separately) 09-05-06

Drawings Revision Date

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1 In General

This document describes additional information for the Invitation To Tender (ITT) with reference EIFM-ESTC-BF-SOW-1004-OPS-STT. This information should be read as part of the original documents. Information is grouped per annex. With revision of this document, revisions in the main text changes are indicated as follow: Deleted text Deleted text Added text Added text

2 Statement of Work/General

1. Paragraph 4.6. add to end of text: “Number of hard copies of documents to be supplied: 4” 2. Folder: ESA drawings existing situation: These drawings seem to be only ‘layers’ from complete autocad

drawings. Can you provide us the complete autocad drawings? A: From how to find a specific document on the CD:” ESA drawings existing situation These drawings represent the existing situation and consist out of many X-refs. To enable easy access and printing the sub folder within the set 1 … through set 6 should be copied to a hard drive with the name K. This will enable the ACAD drawings to find the X-refs easily. “ No additional drawings will be sent.

3. Additional site visits are possible on request. 4. Contractors to give a Firm Fixed Price for the project, 5. Is the contractor responsible for damaging of equipment:

A: Yes, if this is caused by the contractor. Also damaging of equipment caused by damaging of utilities is responsibility of contractor.

3 Annex 1 (AD 20) civil technical specification office areas (doc. no. )

In general 1. Detail design work: The list of the documents available is attached to the specification as “List of documents

in the archive of ESA”. We do not have this list. Can you provide it to us? A: Specific documents from the archive have been made available to the bidders. Specific documents will be made available on request from the bidder. The list will not be provided to the bidders

2. Is the manufacturer of the fire doors in the main corridor known? A: No.

3. In the SOW 4 sets of doors are mentioned, there seem to be 5 sets of doors? A: All 5 sets of doors shall be renewed.

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Building Cg 1. Is the under-construction for the new facade in the ground floor made of brick or made of concrete.

A: Detail according drawing 1144441, insulation behind plywood panel. 2. Is the fire protection around the steel construction in the first level asbestos free (we did not found any

information in the drawings). A: We do not have information about the fire protection. If no asbestos is reported in the asbestos

report the assumption is that there is no asbestos. 3. It is possible to get some information about the insulation, first floor. Is it contaminated? (That means it

has to be changed). A: see question 2

4. Is detail Ca (window sill and encasing convector) applicable for building Cg? [Ca Detail 1143121 rev 0]

A: No, new windowsill according drawing 1144441 5. New situation floor is not similar with new situation elevations (for example: new doors are missing

in the elevations) [1142241 &1143241] A: There is a door missing on the elevation drawing (existing and new situation) 1142241 is applicable. See also attached sketch.

6. What type of steel plated cladding must we use for building Cg? [Elevations] A: The type of steel cladding has not been chosen, this is part if the detail design phase. Steel cladding to be flat, colour to be determined.

7. What type of sandwichpanel must we use for building Cg [Elevations] A: The type of sandwich panel has not been chosen, this is part of the detail design phase. Sandwich panel to be flat, colour to be determined.

Building Da 1. Is zone De also part of the work? Because it is indicated with a fat line in the site drawing. [1142801]

A: De is not part of the scope 2. The window sill (asbestos) in room Da010 does not have to be demolished? [1142821]

A: No, the windowsill and encasing convector must be demolished and renewed like in rooms Da012-Da030.

3. Are there no section drawings of building Da? A: No other than drawing 1143801.

4. Are rooms 022 and 028 not part of the project? [Room list] A: Rooms 022 and 028 are part of the scope. Finishing according Da 010, 012, 014, 016, 018, 020, 024, 026, 030.

5. Room 030 is in drawing 1142841 not hatched. The room is in the room list mentioned to have new ceiling and floor finishing. What is right? [Room list / 1142841] A: Room 030 is hatched. Room 010 is not hatched. In this room (010) only the windowsill and convector encasement will be demolished and renewed.

6. Must the asbestos at the elevation at room 010 not be removed? [1142821] A: The asbestos is the windowsill and convector encasement will have to be removed.

7. In column Type: interior wall will be kept as they are. What is mentioned by this sentence? [Room list] A: This means that no new walls will be installed and that existing walls will not be painted.

8. On this drawing [1143801] is suggested that the following elements are part of the work; under window sill: new mineral wool insulation, plywood boarding, plint. Above the window; plastified wood panel.

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Is this new or existing? And is this part of the scope of work? A: These are all new materials and part of the scope.

9. Are there any drawings available of the fire doors in the main corridor? A: No

10. On which height are the (new) suspended ceilings situated? A: Base for tender is a height of 2700 mm for all suspended ceilings.

Building Ea

1. To which floor does this drawing refer to? Is the 1st floor the former roof floor? What has to be removed exactly? Are there no activities on the roof floor? [1142423]

A: The building was originally built as a one storey building (only ground floor). On the roof of this building asbestos containing tiles were used. On top of the building a second floor (the first floor) was constructed at a later stage. The tiles were not removed. On the roof of the first floor no activities are planned in this project. Removal of the asbestos containing tiles between the ground floor and first floor is part of the scope.

2. Are there no (civil works) drawings from floor 2 t/m 5? A: No

3. Are there no cross section drawings from building Ea? A: No other than drawing 1143401/1143441

4. On which height are the (new) suspended ceilings situated? [ground floor] A: See question Da no. 10.

5. On which height are the (new) suspended ceilings situated? [first floor] A: See question Da no. 10.

6. Elevations: On the existing east elevation, is a section of a building suggested. In the new situation is that building disappeared. Will that be demolished so we can make the new elevation? Is that part of chapter 2? [1143401 & 1143441] A: The mentioned building has been demolished. Removal of temporary cladding is part of the scope.

7. The wall in the main corridor next to the west-façade, is that a temporary wall? If it is a temporary wall in order to the works on the façade of building Ea, has this wall to be isolated? [1142421] A: This is a temporary wall, and must be isolated.

8. In the façade of the ground floor, room Ea034, is suggested: complete sandwich-panel façade. In the new elevations (east-side) are windows suggested. What is right? [1143441 & 1142441] A: sandwich panel façade with windows, so 1143441 is correct.

9. On drawing Demolition Activities Ground Floor is suggested that in rooms Ea034 & Ea046 the Ceiling and floor finishing has to be removed. On drawing New Situation Ground Floor is not indicated that the Ceiling and floor finishing has to be replaced. Is it the intention to leave these rooms unfinished? A: Finishing according Room list (new Marmoleum floor and new acoustic ceiling.

10. On the west elevation between Grids N549 and N546, ground floor, are windows drawed. On the ground floor are these windows disappeared in the façade. What is right? A: Elevation drawing is correct.

11. On the new situation the (existing) doors ‘around’ the stairs are mentioned as 60 minutes fire-proof. There are no activities described for these doors. Are the existing doors yet 60-minute fire-proof

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doors, or do we have to make these doors 60 minutes fire-proof? A: Existing doors to be removed. New doors to be installed, 60 minutes fire resistant.

12. Ea Entrance: which room is this on drawing 1142441? Between which grids? [room list page 3] A: room between grid E78-81 and N549-552

13. In the roomlist are rooms Ea029, Ea Entrance, Ea024 described to have new ceiling and marmoleum. These rooms are not hatched on Demolition or New Situation drawing. (so according the drawings nothing have to be done in these rooms) What is right? [Room list page 3] A: Finishing according Room list.

14. During the work in section Ea, are all the offices in Ea on the ground floor and first floor not in use? Are there offices in section Ea (ground and first floor) which are in use during the refurbishment? A: no office room in use during the works in Ea0 or Ea1. Following rooms are subject to specific treatment by the contractor: Ea024, Ea034, Ea046, outside blue containers.

4 Annex 2 (AD 21) civil technical specification test centre (doc. no. 1182004 )

1. In the building Fa-Ff is the floor made of wood. We need some information about the statics for the

calculation of the weight of the scaffolds. [building Fa-Ff] A: Maximum floor load is 5 kN/m². Load spreading provisions to be incorporated in design and in scope of contractor.

2. ‘1.3 Temporary works’ Is there a drawing of the temporary wall between Gd/Ge?

A: No. 3. ‘2.8’

Are the new windows from wood or aluminium according section 15 of the Stipulations? A: New windows and frames to be made of hard wood

4. ‘2.10’ Does only the external side of the existing bridge, between buildings Ff and Fh, have to be painted?

A: No, the whole bridge must be painted. 5. The drawings (floors and elevations) are not fit to scale. Can you send us the drawings on the right

scale 1:100? A: all hard copy drawings of the test centre are plot on 1:100 scale.

6. Room Fa005B and Fa056: According to this drawing the existing walls have to be painted. According to drawing 1142521 the walls will be demolished. Which drawing use? [1142541]

A: 1142521. These walls will have to be demolished and renewed. 7. Is the door on grid N598 between E87-E92 existing of is this a new one? [1142541]

A: This is an existing door. 8. Are the doors in room Fa007,009,011,013,Ff025,027 and 033 existing or new ones? [1142541]

A: These doors are existing doors. 9. Are there no new windows on this floor? [1142542]

A: All windows in the façade will be new. The legend is incomplete. 10. Does the new windows only have fixed glazing? [1143541]

A: No, one out of three windows can be opened (as in the existing situation-see drawing 1143501).

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11. Is the crane in the cleanroom in use during the works? A: The crane in the cleanroom can be used in the parts where no temporary wall has been constructed.

12. What is the finishing of the sandwich panels on the inner side of the rooms? [New external façade] A: The sandwich panels will have no additional finishing

13. Guidelines and technical stipulations for civil works at ESA-ESTEC, Noordwijk. There are 2 versions. One on CD 1, in folder Civil stip Annex 12 AD1. and one on CD2. Which one is the right one?

A: Documents are the same except for the front page. 14. There are no (Civil) drawings of building-zone Ca. Is zone Ca part of the project?

A: Ca is part of the scope, only asbestos removal and replacement with comparable materials. 15. Rooms Fa 001+003 Wall finishing: If the tiles are room high where do we have washable painting?

[Room list page 1] A: Finishing of all walls will be tiles. In principle no washable painting will be used.

16. Rooms Fa 102, 105, 107 and 110A aren’t mentioned. Which finishing do they have? [Room list page 2-3] A: Fa 102 according drawing (only renewal of ceiling). Fa 105, 107 and 111 like Fa 001-003 (toilets). Fa 110A like Fa 110.

17. Corridors: are these the rooms between grids E92-E132/N580-N582? On drawing no 1142541 there is no hatching in these rooms. Which document do we have to follow? [Room list page 5-6] A: On the ground floor this is correct. Finishing according room list (hatching is missing).

18. Room Ff 037: According to drawing no. 1142521 the floor finishing have to be demolished. What is the new floor finishing? [Room list page 6] A: Existing floor finishing is unknown. New finishing painted (dust biding coating) concrete.

19. Rooms Ff 105,107,109,111,113,115, 119A, 121A aren’t mentioned. Which finishing do they have? [Room list page 6] A: Finishing according Ff 117, 119 ,121.

20. Room Ff 120 isn’t mentioned. Which finishing does it have? [Room list page 6-7] A: Finishing according Ff110.

21. Room Ff 151 doesn’t exist on drawing no. 1142542. Is that right? [Room list page 7] A: Ff 151 doesn’t exist.

22. Sky walk: on drawings no. 1142522 + 1142542 there is no hatching in these rooms. Which document do we have to follow? [Room list page 7] A: Finishing according Room list (only new Marmoleum).

23. Room Ff 110 isn’t hatched on drawing no. 1142542 and 1142543. Which document do we have to follow? [Room list page 7] A: Room list with exception for the ceiling (ceiling according room list Fa110).

24. Is the wall on grid E87 between N582 and N592 a new light partition wall? According to drawing no. 1142521 we don’t have to demolish the wall. Which document do we have to follow? [1142541] A: 1142541 except for the wall of room Fa004

25. Are the walls by room Fh 102 and Fg 101 new light partition walls? According to drawing 1142522 we don’t have to demolish the wall. Which document do we have to follow? [1142542] A: 1142522

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26. In room Ff 207+Ff 209 the floor and ceiling have to be demolished. According drawing no. 1142543 and the room list the rooms have only a new ceiling. Is that right? [1142523] A: No demolishing of floor finishing.

27. ‘2.6 Suspended ceilings’ According the room list there are three different types of ceiling instead of two: 1st acoustic ceiling: according the Technical Stipulations this has to be Armstrong Tatra White or equivalent. 2nd waterproof ceiling: according the Technical Stipulations this has to be Rockfon Paral Astra. 3rd rigid ceiling: is this ceiling in accordance with the Technical Stipulations par. 19.3? On which height are the (new) suspend ceilings situated? [Annex 2 page 8] A: See question Da 10. A: 3rd rigid ceiling is in accordance with the Technical Stipulation par. 19.3

28. ‘2.6 Suspended ceilings’ On which height are the (new) suspended ceilings situated? [Annex 2 page 8] A: See question Da 10.

29. ‘2.8 Frames, windows and frames.’ According drawing no. 1142541 in room Fa 051,056,057,061 we have to make a new door in these rooms. According drawing no. 1142521 they don’t have to be demolished. Which document do we have to follow? Can you give us a complete list of the doors (and frames) which are new? (The mentioned rooms don’t give a complete summary) What do we have to do with the exixting (inner) doors and frames? [Annex 2 page 8] A: door and frames in new walls will be new door and frames. The existing doors and frames will stay in walls that have to be painted. We will not give a complete overview of doors and frames that will have to be renewed. Existing doors and frames to be stored according Civil Technical Specifications chapter 3.2

30. Where in building Ff on the 1st floor do we get hard wood skirting in the corridor? [Room list page 7] A: On all walls.

31. ‘Art. 2.5.2.5’ Is it necessary to close the façade the same day? Why shall the removal and closing works of the façade be done per 5.00m section? According drawing no. 24-207 and 24-208 is the centre-to-centre distance of the steel structure 3,000mm. Isn’t it better per 6.00m section? A: according the as-built information the centre-to-centre distance of columns is 5000mm. It is necessary to close the façade the same day.

32. At room Fa 021 between grid N582 and N587 the wall shall not be demolished. On drawing 1142541 there is a new wall designed. Which document we have to follow? [1142521] A: 1142541.

33. What kind of wall we have to calculated between room Ff 002C and Ff 002B? [1142541] A: new brickwork wall.

34. Temporary wall in Test-center needs thermal or sound insulation? A: thermal insulation.

35. Can the temporary wall stay during tests in the Test-center? A: The wall can stay during testing.

36. Is the big door ground floor between E122 and E127 accessible? A: no, the door is not accessible any more.

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37. Is HVAC plant room 1 to be refurbished? A: No, façade to be removed from outside, SIPOREX inner wall will stay. No new floor and ceiling.

General

1. Drawings from building Ea and Ff do not correspond. On drawing 1142421 (Ea) is the corridor between Grid E87 and E81. However, on drawing 1142521 (Ff) the opening in the elevation (connection main corridor) is between Grid E87 and E92. A:Correct. According our information Ea E87 = Ff E92.

2. Distance between Grids E81 and E87 is 6 meters (Ea). Distance between Grids E87 and E92 is 5 meters (Ff). How is the connection from Building Ea to Building Ff? A: Ea E87 is connected to Ff E92. Width of corridor Ea is 5 meters.

3. 3.9 Sunblinds: where have sunblinds to be used? Please mark on the drawings where new Sunblinds are necessary. A: All windows to be equipped with sunblinds.

5 Annex 3 (AD 22) mechanical technical specification office areas (doc. no. 1599002 ) 1. 3.5 What the activities which must be done to the Innergen system, and are there drawings of this

system? A: Due to the temporarily wall, one inergen nozzle will be located at the outside of the compartment. This nozzle shall be temporarily removed. The remaining system shall adapted, enabling an operational system, as the system shall be in operation during the work. After removal of the temporary wall, the original layout of the system shall be restored. The separate system of Cg002 shall be demolished. The works are indicated on drawing 1558215. A pdf of the original drawing has been attached.

2. 3.6 Are there drawings available of control panel Cg 28-0-61?

A: Control panel Cg 28-0-61 is identical to Cg-1-61. The drawings of this control panel are attached. 3. 3.3.1 Connecting the temporary air handling unit provided with his own control panel. What is the

location of the temporary control panel? A: To be determined in the detail engineering by the contractor.

4. Why is drawing Cg-1-61 added, this code does not occur in the description?

See question 2.

5. Is this drawing correct the whole regulation occurred by means of Siemens PRV modules, yet in the drawing of the control panel is PLC siclimat drawn? The PLC Syclimat module, visualised on drawing ECG,201 of control cabinet Cg-1-61 (or Cg 28 – 0 -61) is in contradiction to the PRV-modules, visualised on the other drawings of the control cabinet.

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The PLC Syclimat module is most likely not correct. The offer shall be based on the PRV modules.

6 Annex 4 (AD 23) mechanical technical specification test centre (doc. no. 1599003)

1. 5.6 What has to be done for the superfluous transmitters, and how many are there? A: The transmitters are HVAC-transmitters located in the rooms. These are indicated on drawing 1542501. HVAC-transmitters in the cleaners are shall be demolished. New transmitters shall be installed for the new situation.

2. Do the HePa grills have to be replaced after the astbestos removal?

A: Yes. 3.

7 Annex 5 (AD 24) electrical technical specification office areas (doc. no. 4199001 )

1. Drawing 1143801: There is a sun protection inside the windows. We need some information about it, if it is our part of work. Is it new, is it motor moved or hand moved?

A: The sunprotection in Da0 on drawing 1143801 is motor driven (electrical). See also volume 9 (of 14) Anex 5 (AD24) drawing 35221-00-4148801 Da, Ground flooor Demolish Electrical Power Installation and drawing 35221-00-4162801 Da, Ground floor Electrical Power Installation.

2. Special attention is required for cables and wires in the Cg building. They shall be protected by means of plywood covering.

8 Annex 6 (AD 25) electrical technical specification test centre (doc. no. )

9 Annex 7 (AD 26) technical specifications for the handling of equipment (doc. no. 7182004)

1. We have to move and relocate a “vacuum oven and power unit” and any “cleanbenches”. We don’t found any information about the dimensions of the staff.

A: To be added to chapter 5.: for an overview of the Ca cleanroom see pictures below.

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2. Which air quality has to be satisfied in the cleanrooms during and after the refurbishment activities? In addition to paragraph 7.2, the following conditions shall be realised during the different stages of the work:

Table 1: Present and future situation

Present situation

Building Temp. Rel.Hum. Overpr. Dust class

Clean room, Fa 21±2°C <60% >10Pa 100.000+

Clean room, Ff 21±2°C <60% >10Pa 100.000+

Balcony Fa 21±2°C <60% >10Pa 100.000+

Balcony Ff 21±2°C <60% >10Pa 100.000+

Metrology id 5 Fa 21±2°C <60% >10Pa 100.000+ Multipaction id 8 Ff 21±2°C <60% >10Pa 100.000+ Electrical Propulsion Ff 21±2°C <60% >10Pa 100.000+

VTC 1.5 id 15 Ff 21±2°C <60% >10Pa 100.000+

ATC 2 Ff 21±5°C <60% n.a. n.a.

HBF 3 id 38 Ff 21±2°C <60% >10Pa 100.000+

LSS Fg 21±2°C 50±10% >10Pa 100.000+

Table 2: Asbestos removal, non testing

Asbestos removal, non-testing


Clean room, Fa >14°C <60% n.a. n.a.

Clean room, Ff >14°C <60% n.a. n.a.

Balcony Fa >14°C <60% n.a. n.a.

Balcony Ff >14°C <60% n.a. n.a.

Metrology id 5 Fa >14°C <60% n.a. 100.000+ Multipaction id 8 Ff >14°C <60% n.a. n.a. Electrical Propulsion Ff >14°C <60% n.a. n.a. VTC 1.5 id 15 Ff >14°C <60% n.a. n.a.

ATC 2 Ff >14°C <60% n.a. n.a. HBF 3 id 38 Ff n.a. n.a. n.a. n.a. LSS Fg 21±2°C 50±10% >10Pa 100.000+

Table 3: Asbestos removal, testing

Asbestos removal, testing


Clean room, Fa 21±2°C <60% >10Pa 100.000+

Clean room, Ff 21±2°C <60% >10Pa 100.000+

Balcony Fa >14°C <60% n.a. n.a.

Balcony Ff >14°C <60% n.a. n.a.

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Metrology id 5 Fa 21±2°C 50±10% >10Pa 100.000+

Multipaction id 8 Ff 21±2°C <60% n.a. n.a.

Electrical Propulsion Ff 21±2°C <60% n.a. n.a.

VTC 1.5 id 15 Ff 21±2°C <60% >10Pa 100.000+

ATC 2 Ff 21±5°C <60% n.a. n.a.

HBF 3 id 38 Ff n.a. n.a. n.a. n.a.

LSS Fg 21±2°C 50±10% >10Pa 100.000+

3. Move of equipment of Metrology is very difficult, because of weight (special foundations) and expensive

recalibration. It is recommended not to move the equipment. 4. Must a temporary cleanroom be constructed for area 10?

A: No, only if conditions can not be kept within requirements. 5. Is included in the Scope of the contractor the disconnection and reconnection of equipment in Ca?

A: Yes 6. What are the dimensions of the changing room?

A: The temporary changing room will have to be of the same size as the existing changing room.

10 Annex 8 (AD 27) health and safety plan engineering phase (doc. no. )

11 Annex 9 (AD 29) technical specification for the asbestos removal (doc. no. 7182006)

1. Paragraph 2.6.1 item 5 should be: “For the removal of the asbestos on the east side of the door between

Gd005 and Gd 007 see also the Electrical Technical Specification (doc. No. 4199501). The asbestos removal is part of the scope of work”.

2. Ea0/Ea1 ? Ea3/Ea4 ? How does this work? A: These are the floors that are part of the scope of work.

3. In the asbestos removal documents zones are mentioned which are not part of work-package 1 or 2. For example buildings Ea5 and Gg; Is this not part of the project?

A: This is indeed not part of the work. 4. In the Asbestos inventory ground level Da0, we have fund fire doors in the main corridor. Are these fire

doors part of our work? A: Yes, see 2.3.1 item 3.

5. On the drawing T-040 are more asbestos sheets situated than in the Asbestos inventory and the drawing. What shall be base for our calculation?

A: In case of contradiction the AMOS reports prevail. 6. The asbestos removel only take part in the ground floor, take it?

A: Asbestos removal according to the AMOS reports. 7. We have a lot of asbestos suspicious points in the asbestos inventory. Who can give us more information

about that?

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A: Asbestos suspicious points are part of the scope of work as far as indicated in the technical specification and supplementary letters as part of the AMOS reports.

8. Page 12, point 2709 says: asbestos is seen in (floor) room Ea118. On the drawing in the back of the document (made by AMOS) it is suggested (hatching) that the room left, next to the stair case, is Ea118. In the same drawing the room between Ea117 and Ea123 is also indicated as room Ea118. What is right?

A: The room next to the stairs (hatched) is room Ea118, the room next to Ea117 is Ea 119.. 9. Must the sun simulator installation (Ff ground floor) stay after removal of the asbestos? A: The asbestos is present in the whole room, removal of the complete installation is allowed.

12 Annex 10 (AD 30) planning of the works (doc. no. 7182005)

In general 1. According 2.4.1 is the duration of the works 16 months. According the Concept Overall Planning the duration

is 11.5 months. Which one we have to follow? A: 11.5 months

2. A revised Facility Occupation Plan has been attached. 3. The planning is a concept planning, part of the scope of the contractor is to work out the concept planning to

a level of detail planning. The end date will not be changed. Included in scope is to consult end-user and ESA .

4. The work is split in modules, depending on tests the proposed sequence of the modules can be changed. The planning for 2007 is not known yet.

5. 2.4.1 The total duration of the works is expected to be 16 months. Final completion date is 30th of July 2007 (=13 to 14 months). Completion of the works is 25th of May 22007 (=11 to 12 months). Information about the planning is contrary. Can you provide us with the appropriate planning? A: The 30th of July is the final completion date, any other duration mentioned in the documents shall not be considered.

6. This planning shows “Start of the works” on the 5th of June 2006. Is this achivable in relation with the tender date on 29th of May 2006? A: The starting date June 5th 2006 is opened to negotiation: an early start of the works is strongly recommended in order to take maximum benefit of good weather conditions advised for the opening of the different facades. The final completion date will not be changed.

7. This planning shows a total duration of 4 month for the execution of Cg including preparation. All activities required (purchase, shopdrawings, approval, order, fabrication, delivery) takes at least 4 months before starting to fix the new façade of Cg. Is it possible to reschedule Cg? A: For building Cg the contractor is strongly requested to try its utmost to comply with the proposed schedule and therefore not to delay Cg. The compliance to the schedule will be taken into consideration at the offer evaluation stage.

8. In accordance with Dutch custom most (sub)contractors will be on holiday during 4 weeks in the summer (week 30, 31, 32 and 33) and 2 weeks in the winter. Is it possible to adjust the schedule concering holidays? A: the contractor is invited to propose a planning that is in line with the interest of the project: the proposed schedule shall then adress the deviations while still fulfilling the deadline.

9. The agency can place a contract for only a part of the activities. How to deal with costs which are not related to the size of the contract? For example: the same contractor’s temporary office is required, as well for the

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total contract as for only a part of the contract. A: Obvious price savings can be expected if only one contractor is performing both workpackages: bidders are invited to indicate these savings in their offer.

10. On which dates 5% payment in 2006, 90% payment in 2007 and 5% payment in 2008 can be done? A; Payments will be subject to negotiation in view to establish a payment plan in the contract

11. The contractor shall allow for 1 request within his offer (without extra costs) to stop his activities is a test related area. How about the costs for 2nd and further requests? A: Bidders are requested to indicate their stand-by fees (see paragraph 4.3.3 of the Appendix 3 – General and special conditions of the tender)

Draft contract 1. According to the draft contract a 5% payment opun final acceptance in 2008 as well as a 10% Bank

guarantee are required. This is a ‘double” guarantee with “double” costs. Is a bank guarantee only sufficient? A: Bank guarantee and final acceptance payment are to be considered in the offer: both items are however subject of re-consideration during the negotiation pahse.

2. 30.A.5 The delivery of the “Gebruiksvergunning” (permit to use the building) can only be obtained by the “user” not the contractor. A: ESA is requesting the contractor to ensure that the permit to use the building is made. In general the contractor is to prepare any documents needed including the drafting of the “ Gebruiksvergunning”. ESA will issue the documents to the municipality.

Attachment 7144003 Rev C Project Approach Plan Cg Fa004A 1. Paragraph 2.1.1. – Main constrains item 4 should be: “The equipment in the rooms is sensitive to vibrations.

The works shall be executed without vibration that disturbs the equipment”. 2. Paragraph 2.1.1- Consequences: bullet 10 should be renumbered to bullet 8. The text should be: “Measures

to perform remote system administration to hardware in the computer room will be taken by OPS-I in order to minimize the need to access the computer room.

Attachment Module overview 1. Numbering system of critical area’s is not indicated. Please indicate

A: Numbering system is indicated in the attached presentation. 2. Included in module IV is the fourth floor Fg/LSS

13 Annex 11 (AD 5) mechanical stipulations (doc. no. )

14 Annex 12 (AD 1) civil stipulations (doc. no. )

Order number: 35221


Revision: B

Date: 18 May 2006

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