4708_Bidder_Questions.docx

Revitalize Electrical System Building 4708 - NNM17615380E Bidder Questions and Responses

Question 1. The existing floor tile and mastic in Room 1128A is listed as having asbestos material which will require abatement during demolition. In doing demolition in other areas of the building, additional ACM could be encountered. Please provide an Asbestos and Lead Survey for the building.

Answer 1. Refer to attached Building 4708 Asbestos Survey Report.

Question 2. Drawing P3 – Pipe Support Detail – Are these pipe supports to be made of galvanized steel?

Answer 2. Refer to division 22 05 00 for the prevention of corrosion of metallic materials.

Question 3. Drawing P3 – Pipe Support Detail – Please provide the on-center spacing requirement for the pipe supports.

Answer 3. Refer to division 22 05 29 for spacing requirements for pipe supports.

Question 4. Drawing P3 – Installation Note 2 – Is the “Pressure Reducing Panel. Work performed by others” not a part of this contract?

Answer 4. Correct. The pressure reducing panel is to be relocated by a third party, and therefore, is not a part of this contract.

Question 5. Drawing C2 & S5 – Are the Conduit Supports required to be galvanized?

Answer 5. Yes. Refer to division 26 05 29.

Question 6. Drawing C2 – 7/S5 – E21 – Conduit Supports – Please provide more information for the routing and transition of the Conduit Supports and Conduits

1) through the wall and into Room 1128A, and routing through the floor of Room 1128A down to the basement room B18C;

2) through the stair area, through Men’s Room 1119, and into Room 1116 (will this route require additional Conduit Supports?); and

3) through the stair area, and through the wall into the Corridor, back to High Bay Area 180, through the floor into Room B30C (ADD ALT 2) (will this route require additional Conduit Supports?).

Answer 6. Conduit routings are diagrammatic in nature. See wall and slab penetration details shown in plans. Refer to spec section 26 05 29 for details on conduit hangers and supports.

Question 7. Will electronic submittals be accepted in lieu of hardcopies?

Answer 7. Yes. Electronic submittals will be required. NASA plans to use a web based system to process and track submittals electronically in this project.

Question 8. Amendment #2 is not listed. Is there an Amendment #2?

Answer 8. No. Amendment #2 was not issued and all references to amendment #2 should be ignored.

Question 9. Is this project to be phased? There will be multiple shutdowns. Will staff be shifted out of areas where outages are scheduled?

Answer 9. No, the project will not be phased. The building will be fully occupied throughout the construction period of performance. All utility outages should be coordinated with the building personnel and the government COR.

Question 10. How long will an area be allowed to be shut down when main switchgears and transformers are being changed out?

Answer 10. Typically, power shut downs will be limited to weekends and some holidays. It is anticipated that new equipment will be installed adjacent to existing equipment and circuits moved over during weekend outages.

Question 11. Are there liquidated damages associated with this project?

Answer 11. No, liquidated damages will not accrue if the contract is not completed within the time specified in the contract.

Question 12. IFB, Page 10, Paragraph E.2 references Section 014000, but that Section is not included in MSFC Specification FAC-M5060. Please advise.

Answer 12. Reference to specification section 014000 in the IFB is incorrect. Please refer to spec section 010700 “Contractor Quality Assurance/Quality Control”.

Question 13. Is the electrical feeder from Panel PP0013 to the new panels existing or new?

Answer 13. The feeds from PP0013 to the new panels are existing.

Question 14. Are the single line feeders shown light with an asterisk* new or existing?

Answer 14. Existing. Refer to Note on the one-line sheets indicating that an asterisk beside a circuit callout (hexagon) indicates an assumed size of an existing feeder.

Question 15. Where will the general contractor be allowed to store materials, sea cans/ containers for a lay down yard?

Answer 15. A lay down area will be identified adjacent to building 4708. The east end of 4708 has been used for material storage on previous projects. Refer to spec section 01 05 90 for lay down area request and approval process.

Question 16. Where will the general contractor be allowed to set up their jobsite office trailer? Will it be near the laydown yard?

Answer 16. A jobsite trailer location will be identified adjacent to building 4708. The west end of 4708 has been used as a jobsite trailer location on previous projects. Locating the jobsite trailer near the identified laydown area can be accomplished. Refer to spec section 01 05 90 for jobsite trailer request and approval process.

Question 17. Can the QA/ QC/ Superintendent for the project also serve as the SSHO or is one person required for each responsibility?

Answer 17. There should be a separate, dedicated site superintendent for the project. However, a single QC/SSHO will be allowed.

Question 18. Please see plan page E21. Is note 1 referencing XFMR0045 correct or should it be referencing RP0067?

Answer 18. Note 1 should reference RP0067.

Question 19. During the site visit it was noted that there is mechanical piping in the way of the planned door to be installed on the southern wall of room 1128A. Please indicate whether or not this mechanical piping can be relocated, modified, or demolished to accommodate the new door.

Answer 19. The high pressure GN2 gas line will be relocated by a third party and should not be bid under this project proposal.

Question 20. On plan page S5, detail 2, steel plates will be required for electrical conduit penetrations. Will fire stopping be required between the two plates, or are the plates the only requirement for the penetrations?

Answer 20. Yes. Fire stopping is required.

Question 21. On page A2 of the drawings, it appears as if a CAD layer was omitted (Add Alt 3 section). Please provide a revised drawing of this page.

Answer 21. Refer to attached pdf for revised sheet A2.

Question 22. For the new door on the southern wall of room 1128A, page A1 installation note 3 calls for infill to one side of the door with a 2-hour metal stud wall. Sheet S4 calls for a structural steel frame surrounding the door. Please clarify which of these is required.

Answer 22. Use direction from the Sheet S4 detail which calls for structural steel frame surrounding the door.

Question 23. Section E.2 of the IFB calls for compliance with MSFC Specification FAC-M5060, Section 014000. That specification does not appear to be included in the IFB. Please provide.

Answer 23. Refer to answer #12.

Question 24. Specifications include section 23 09 23 Direct Digital Control/Utility Control System. What work does this specification apply to on the drawings?

Answer 24. Bid per plans and specifications.

Question 25. Sheet C1 has a note to reference M-2 for high pressure gas line relocation. There is no sheet M2. Please advise.

Answer 25. The note on sheet C1 should have referenced sheet P3, not sheet M2. Refer to answer #19.