FA2523-09-R-0001 Amendment 01 Q&A.pdf

AMENDMENT 01 24 APRIL 2009 FA2523-09-R-0001 2

A. The purpose of this amendment is to

1) Answer relevant contractor questions

B. Questions and answers: [Note: The Government has taken reasonable steps to answer all questions submitted;

however, for various reasons, not all questions submitted are answered. If an offeror does not see their question below, no answer is currently available. Furthermore, no substantive answers have been provided to any offeror other than as listed below. If an offerors question is not addressed below, they should prepare their offer based on the information currently available in the solicitation documents, or not submit an offer. Contractors are encour-aged to utilize the information below in preparing their offers as this information is hereby incorporated into this solicitation and any resultant contract.]

Q-1 Drawing no. M03, notes item 2 - "Not all valves are shown" and in the specification 15450 Fire Water Stor-age Tanks item 2.3 Valves there are no indication of how many valves that shall be delivered. How many valves of each kind we shall include in our offer?

A-1. Note 2 are dedicated for the valves in the Mechanical Room #116. (The valves in the Mechanical Room #116 are going to be reused after replacing the pipes). The new Fire Water Tank shall be delivered with new valves ac-cording to indication in Drawing M-03.

Q-2. Specification 01100 Paragraph D - Item 3B and C, Drawing C-02 note 1, Drawing M-08 section 1 and 2.

Shall the existing culvert be reused or shall the contractor supply and install a new 34" culvert?

A-2. The contractor shall supply and install new 34” culvert.

Q-3. Shall the steel pipe for the electrical cables be laid in culvert?

A-3. No, the steel pipe for electrical cables shall be routed in the ground.

Q-4. Shall the steel pipe for electrical cables have to be galvanized 6" pipe or black steel?

A-4. The steel pipe for electrical cables shall be galvanized according to Specification 16130 Part 3, item 3.4 A.

Q-5. What type of 200 mm insulation is required for existing PEH pipes?

A-5. The contractor shall provide the new PEH pipes with 8” thick Foamed Cellular Glass insulation as make Foam Glass type T4, 700 / 42.

Q-6. Drawing M15. Shall all piping in mechanical room no. 116 be changed?

A-6. The contractor shall replace the pipes for the supply and return pipes including connection for Fire Depart-ment, Jockey Pump, Fire Water Pumps and connection to the existing and new Sprinkler Alarm Valves as indicated in drawing M-15.

Q-7. Specification Section 13930 Part 3 Item 3.1B "Center new sprinklers in ceiling". Does the sprinkler piping in the ceiling have to be modified?

A-7. No, the existing sprinklers in ceilings have to be replaced with new sprinklers, and in order to do that, it might be necessary to adjust the existing piping above the ceiling a little bit.

Q-8. Page 2 of 34 - line three: "piping in the sprinkler system will be replaced as required and all sprinkler heads will be replaced" and Section 13930 item G only require sprinklers in zones 1, 2 & 3 to be replaced. Provide infor-mation of where to replace sprinkler heads?

A-8. Only sprinklers in zones 1, 2 & 3 including sprinklers above the ceilings shall be replaced.

Q-9. The contractor shall rebuild the sprinkler system as specified in section 13930 item F and H. Please provide information of which location the contractor have to replace the piping to.

A-9. The sump pit for the supplementary drain point and drain for the test valves is indicated in Drawing M-06.

The existing water flow detectors are indicated in Drawing M-06.

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Q-10. Drawing C-02, pipe lengths. The drawing provided is reduced and there is not any indication of the length for control of the full scale 1:200. Provide a distance from the tank to building # 1824.

A.10. Attachment No 007 to Final Design Submittal are provided with drawings and graphic scale for the existing Fire Water Tank and piping to building #1824.

Q-11. Are scaled drawings available to determine the distance between the storage tank and Bldg 1824?

A-11. Attachment No 007 to Final Design Submittal are provided with drawings and graphic scale for the existing Fire Water Tank and piping to building #1824.

Q-12. What is the pipe material shown on drawing M-03 labelled "PE 100" and "316L"?

A-12. As indicated on drawing above ground piping is made of stainless steel 316L and underground piping is made of High Performance Polyethylene (HPPE) PE100.

Q-13. What is the pipe material shown on drawing M-01 labelled "PEH Fire Water"?

A-13. Drawing M-01 ? Indication on drawing M-08 for underground piping should be PE100.

Q-14. Specification page 01100-2 para D.3.a How much piping is to be replaced in Mech Rm #116? All? Just new connections?

A-14. The contractor shall replace the pipes for the supply and return pipes including connection for Fire Depart-ment, Jockey Pump, Fire Water Pumps and connection to the existing and new Sprinkler Alarm Valves as indicated in drawing M-15.

Q-15. Specification page 01100.2 para D.3.b Are we to re-use the existing culvert? Will the new 10' pipe fit into it?

A-15. No, the contractor shall not re-use the existing culvert. The contractor shall supply and install a new 34” cul-vert.

Q-16. Ref: 01100-1 Item 1.3 C. 1 a) Soil test for hydrocarbons in all excavations!

Spec 2111-6. In order to understand this correct. Please confirm this scenario. The contractor are to analyse test samples taken from excavated areas from every 5 x 5m? There shall be taken only one test sample from the men-tioned area, regardless of the depth of the excavation? After completion of excavation, the contractor must take test samples from the side wall with intervals of 5m of length

A-16. We have no information about any oil spill or any contaminated soil. The excavations for this project are go-ing to take place in areas with backfill around existing foundation for the Fire Water Tank, pipe trenches for Fire Water Pipes and under concrete pavement, but in general the contractor shall always provide all excavation accord-ing to Spec. 02111.

Q-17. Ref: 01100-1 Item 1.3 C. 1 c) Separate oil and water and deposit. Also referring to Spec. 02111 Item 1.4 The work shall consist of excavation and cleaning of oil / Sludge ! How is the contractor to clean the soil for oil?

Please clarify. The contractor is to perform an independent evaluation of the site characteristics! Does this mean, the contractor are to perform the work as described and only call upon the CCI if the contractor believes the soil to be contaminated?

A-17. As mentioned before, we have no information about any oil spill or any contaminated soil, and since all ex-cavations for this project are going to take place in areas with backfill below concrete pavement or around existing foundation and trenches for water pipes, we assume that the amount of contaminated soil will be negligible (if any), and therefore we suggest that it can be carried out by the contractor in coordination with GC / Environmental Engi-neering at TAB.

Q-18. Ref: 01100-1 Item 1.3 C. 1 d) Excavate to contours given in drawings. In accordance with drawing C-2 form attachment 7, the existing contours of the soil in the area containing the new 80.000 Gal Fire water tank are

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below the future contours of this area. Does that mean the existing foundation will have to be removed and the area filled up with NFS and a new foundation casted?

A-18. No, this project is going to re-use the existing foundation for the new Fire Water Tank.

Q-19. Ref: 01100-1 Item 1.3 C. 1 e) Excavate materials for backfilling and screen all materials to accommodate sec. 02060 ! But in spec 02060 it says Aggregate for back filling and grading will be GFM ? Are the contractor to mobilize a Powerscreen, with the required sieve fractions and a Aggregate mixing plant? or will the CCI approve the NFS delivered by GC as it is? This question also refer to the text in 02060 Item 1.1 B The contractor are respon-sible if the delivered material does not meet the requirements and are to screen the materials. Again is the contractor to have a Powerscreen and mixing plant ready on site?

A-19. No, this project can be provided with backfill delivered by GC.

Q-20. Ref: 01100-1 Item 1.3 C. 1 f) Excavate if Necessary for fire department. Please clarify the extend of this excavation - area and volume?

A-20. This project involves excavation in the existing concrete pavement around the building, and this concrete pavement is also the access road for the Fire Department. In order to maintain this access road, it might be neces-sary to do some temporary arrangement in coordination with the Fire Department at TAB.

Q-21. Ref: 01100-1 Item 1.3 C. 1 g) Excavate if necessary to establish access road Please clarify the extend of this excavation - area and volume?

A-21. See answer regarding access road and temporary arrangement in coordination with the Fire Department at

TAB.

Q-22. Ref: 01100-2 Item 1.3 C. 2 b) The foundations are directly founded on NFS ! Please clarify which foun-dations the contractor is to deliver and found directly on the NFS?

This is not clear on drawing D-01?

A-22. This project involves excavation in the existing concrete pavement around the building, and this concrete pavement shall be reestablished as reinforced in situ cast concrete directly founded on the compacted NFS.

Q-23. Ref: 01100-2 Item 1.3 C. 2 d & e) Backfill if necessary for parking area for Fire department and access road. Please clarify the extend of this backfilling since the drawings does not give an indication. - Area and volume?

A-23. See answer regarding access road and temporary arrangement in coordination with the Fire Department at

TAB.

Q-24. Ref: 01100-2 Item 1.3 C 3. b) The existing foundation, which are to used for the new tank! Does the foun-dation have the required size or will the contractor need to enlarge the volume of the foundation in any direction?

A-24. Yes, the existing foundation does have the required size and shall re-used for the new Fire Water Tank.

Q-25. After cleaning the existing foundation, will the contractor be permitted to repair this foundation with an ap-proved repair Grout and hand mixed on site - or will the contractor be required to have a full-scale concrete mixing plant on site for this work?

A-25. Yes, the contractor will be permitted to repair the existing foundation with an approved repair Grout and hand mixed on site.

Q-26. Ref: 01100-2 Item 1.3 C 3 d) The same question apply for d) and b)

A-26. See A-25. .

Q-27. Ref Attachment 10, Page 4 Sketches ! Is this the new foundation or the existing one? The broken line for every 1829 mm what does that indicate?

A-27. No, it is the existing foundation to be re-used for the new Fire Water Tank. For information about the broken lines for every 6’- 0” (1829mm) please refer to Attachment 7, Drawing FP-3 Fire Water Tank and Details.

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Q-28. Ref Draw C-2 Attachment 7 Does the contractor have to deliver and place any Pipe guards?

A-28. No, the contractor shall not deliver any Pipe guards.

Q-29. Ref Draw C-2 Attachment 7 NFS is GFM ! Does that also apply for the fill material and crushed aggregate base course, which will be needed for the new gravel roads and Apron? Is all gravel material use in this project, bee-ing NFS, Fill material, Surface Gravel and Crushed Aggregate base Course comply with Material Type A, as de-scribed in Spec sec. 02060? And will all these materials be GFM?

A-29. Attachment 7 including enclosed drawings are all dated oct. 1985 and they were used among others for the project regarding the Fire Water Tank now going to be replaced!

Q-30. Ref Draw C-2 Attachment 7 In front of Building #1824 there is a concrete pavement! The contractor is only supposed to remove the concrete and excavate in the area where the Portable water line and the line for Fire water are indicated on the drawing. All other concrete pavement are not to be removed?

A-30. Attachment 7 including enclosed drawings are all dated oct. 1985 and they were used among others for the project regarding the Fire Water Tank now going to be replaced! For demolishing regarding this project please refer to Drawing D-01.

Q-31. Ref Spec 01400 1.7 A Will the contractor be allowed to perform the soil test themselves? Using the field Lab situated at the site today?

A-31. Yes.

Q-32. Ref Spec 02315-1 1.2 A 3: Request to delete ASTM 2167, as ASTM D1556 also will give the Density and Unit Weight of soil in place?

A-32. The request is accepted.

Q-33. Ref Spec 02315-1 1.3 B It is not clear where bracing, sheeting and shoring are to be used, Please clarify?

A-33. For demolishing regarding this project see Drawing D-01.

Q-34. Ref Spec 03200-1 1.3 B Which drawings with reinforcement details are the contractor to submit?

Please clarify.

A-34. Drawings for the concrete pavement to be re-established as reinforced in situ cast concrete directly founded on the compacted NFS.

Q-35. Ref Spec 03200-1. Where are the contractor to use reinforcement and cast concrete. In the broken Pave-ment? Please give details?

A-35. Yes, the concrete pavement shall be re-established as reinforced in situ cast concrete.

Q-36. Ref Spec. 03300 2.1 B Since contractor have responsibility of the grading of the materials supplied by the Government, Will the contractor be permitted to use premixed aggregates purchased in Denmark and delivered in Big bags?

A-36. Yes, the contractor will be permitted to use premixed aggregates delivered in big bags from Denmark, but GC will normally be able to delivery adequate aggregates for this type of concrete for use in the concrete pavement.

Q-37. Ref Spec. 08114-1 1.1 B 1, 2, 3, 4, 5 The mentioned sections are not a part of this specification, please clarify.

A-37. The mentioned sections are not relevant for the project.

Q-38. Ref Spec 01400 2.1. Borrow Source: Chemical and physical test of the material from the source! Back fill are GFM? Is the contractor to perform any tests?

A-38. Do not understand the question since the reference is not used.

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B. The date for receipt of proposals remains unchanged.