B07_-_W912R119B5002_Questions_Answers2___pond_responses_13_Aug_19_revisions.docx

QUESTIONS AND ANSWERS RELATED TO

SOLICITATION W912R1-19-B-5002

15 August 2019 Q1. On page 21 of 67 of the solicitation, 6.1 it states the bids are to be hand carried which is located at USPFO-DC, Purchasing and Contracting Division, 189 Poremba Court Building 350, Washington, DC 20373. Will we be required to send our personnel’s personal information in ahead of time to be run through security so they can get in or is this not a secured building?

A1. Yes, refer to Pre-Proposal Meeting Minutes posted to FBO.gov on 29 July 2019 for information required for personnel attending pubic bid opening. B07 – Contractor Spreadsheet is uploaded to FBO.gov. (JJE)

Q2. Specification Section 07 - Q) Please provide a specification for the insulated metal wall panels.

A2. See specification section 07 42 63 Fabricated Wall Panel Assemblies attached.

Q3. Specification Section 07 and Roof Drawing - Q) Please provide a specification for the PVC roofing and a drawing.

A3. See specification section 07 54 19 Polyvinyl-chloride Roofing attached.

Q4. Exterior Drawings - Q) Please provide a drawing for additive #3 Translucent wall panels in Lieu of Insulated Metal Panels.

A4. Insulated Translucent Panels are shown on drawings A-201 and A-202.

Q5. Specification 09 67 23.15 Fuel Resistive Resinous Flooring - Q) Please provide missing page 18.

A5. There is no missing page 18. The page labelled as page 19 should have been labelled page 18 and page 20 should have been labelled page 19.

Q6. Page 36 of the Solicitation (a) - Q) What is meant by a one-time fixed cost per modification of $345.55. Is this a one-time fee or is the fee per modification?

A6. It should read “Additionally, there is also a one-time charge of $345.55 for legal services that will apply” It is not per modification. (JJE)

Q7. Drawing I-601 - Q) Finish schedule calls for ceramic tile on all four walls of the restrooms and janitors’ closet. Drawing I-401 only shows ceramic tile on the wet walls. Please clarify.

A7. Provide ceramic tile on all walls of the restrooms.

Q8. Drawing A-101 - Q) Note 4 Bench and note 13 Storage Shelving. Please provide a specification and how many storage shelving units there are.

A8. For locker room benches see spec section 10 51 13 paragraph 2.3.4, and specification section 10 28 13 paragraph 2.2.10 for the storage shelf. Provide one 5-shelf plastic storage shelving unit in the Janitors Closet.

Q9. Telecom drawings/specification - Will all telecom conduits be installed from the work area outlet to the cable tray in the corridor?

A9. Yes, provide ¾”C to the cable tray

Q10. Telecom drawings/specification - Do both half shaded triangles and solid triangles receive (4) Category 6A cables each?

A10. Half shaded triangles get 4 CAT 6A cables. Solid triangles get 1 CAT 6A Cable.

Q11. Telecom drawings/specification - There are half-shaded squares under the tables in the training room. Are these telecom symbols? Will they receive (4) Category 6A cables each as well?

A11. They are power/telecom floor boxes. See E-002 under “Wiring Devices”

Q12. Telecom drawings/specification - Can drawings for Building 3029 be provided to determine the length of the fiber backbone cables?

A12. It is shown on ES-101 and drawing of B3029

Q13. Telecom drawings/specification - Where is Building 3032 where the 50 pair cable will stub up?

A13. See Key Note 1 on ES-101. Provide 50 pair of copper.

Q14. Telecom drawings/specification - Note 1 on ES-101 indicates a 25 pair cable to be routed to an existing vault. This cable is not identified on the telecom riser drawings. Please provide more information?

A14. The note should read to provide 50 pair of copper, see key note 2 on T-601, Telecommunications Riser Diagram.

Q15. Telecom drawings/specification - The division 27 specification calls for the horizontal cable to be Category 6 and the drawings call for Category 6A. Which is correct?

A15. CAT 6A.

Q16. Telecom drawings/specification - Will the plywood be provided and installed by the General Contractor?

A16. (A/E not involved with this decision)

Q17. Telecom drawings/specification - Will all Category 6 or 6A cables be terminated onto the same rack mounted patch panels?

A17. Provide only CAT 6A patch panels.

Q18. Telecom drawings/specification - Will patch cables be required for both the telecommunications room end and the work area outlet end?

A18. Just the telecommunication room.

Q19. Telecom drawings/specification - Is the telecommunications contractor to provide sufficient quantity of patch cables to fill 100% of the new cables?

A19. Provide quantity of patch cables as indicated in specification section 27 10 00.

Q20. Telecom drawings/specification - Will the copper 25-pair and 5-pair terminate onto rack mounted patch panels, 1-pair per port?

A20. Yes

Q21. Telecom drawings/specification - Drawing T-101 show (2) telecom outlets in the fire pump house. Are these cables to route to the telecom room in the munition building or will they terminate on a wall mount block in the pump room?

A21. See Key note 5, ES-101. Terminate on a wall mount block.

Q22. Telecom drawings/specification - Please confirm the Rack are 2-post open relay racks?

A22. Yes, confirmed

Q23. Telecom drawings/specification - The 25-pair and the 50-pair cable are Category 3 but the specs call for Category 6 110 block and patch panels. Do these have to be category 6 since the cable is only category 3?

A23. Yes, follow specification section 27 10 00. All cables shall be Category 6A.

Q24. There is a call-out for one of the sign types, specifically sign type “T-7” which has a callout for vinyl “V3” which is not shown in any of the accompanying keynote or abbreviation legends. There is only a description for “V2” which is described as Opaque Vinyl to match PT2. Please advise what the vinyl “V3” is describing.

A24. Not sure where sign type T-7 is shown. Please clarify question with drawing number or specification paragraph.

Q25. Will all conduits for the telecom cabling be provided and installed by the electricians?

A25. This question appears to be from a telecommunications installer sub and directed to the General Contractor, not the Government. The General Contractor should bid as shown on the construction documents.

Q26. Will the ladder tray which is to be used as a telecom pathway in the corridor be provided and installed by the electricians?

A26. This question appears to be from a telecommunications installer sub and directed to the General Contractor, not the Government. The General Contractor should bid as shown on the construction documents.

Q27. Will all telecom conduits be installed from the work area outlet to the cable tray in the corridor?

A27. See A9 above.

Q28. Do both half shaded triangles and solid triangles receive (4) Category 6A cables each?

A28. See A10 above.

Q29. There are half-shaded squares under the tables in the training room. Are these telecom symbols? Will they receive (4) Category 6A cables each as well?

A29. See A11 above.

Q Q30. Can drawings for Building 3029 be provided to determine the length of the fiber backbone cables?

A30. See attached file for B3029

Q31. Where is Building 3032 where the 50 pair cable will stub up?

A31. See A13 above.

Q32. Note 1 on ES-101 indicates a 25 pair cable to be routed to an existing vault. This cable is not identified on the telecom riser drawings. Please provide more information?

A32. See A14 above.

Q33. The division 27 specification calls for the horizontal cable to be Category 6 and the drawings call for Category 6A. Which is correct?

A33. See A15 above.

Q34. Will the plywood be provided and installed by the General Contractor?

A34. This question appears to be from a sub and directed to the General Contractor, not the Government. The General Contractor should bid as shown on the construction documents.

Q35. Will all Category 6 or 6A cables be terminated onto the same rack mounted patch panels?

A35. See A17 above.

Q36. Will patch cables be required for both the telecommunications room end and the work area outlet end?

A36. See A18 above.

Q37. Is the telecommunications contractor to provide sufficient quantity of patch cables to fill 100% of the new cables?

A37. See A19 above.

Q38. Will the copper 25-pair and 5-pair terminate onto rack mounted patch panels, 1-pair per port?

A38. See A20 above

Q39. Drawing T-101 show (2) telecom outlets in the fire pump house. Are these cables to route to the telecom room in the munition building or will they terminate on a wall mount block in the pump room?

A39. See A21 above.

Q40. Please confirm the Rack are 2-post open relay racks?

A40. See A22 above.

Q41. Please confirm 4" vertical cable managers are acceptable?

A41. Confirmed

Q42. The 25-pair and the 50-pair cable are Category 3 but the specs call for Category 6 110 block and patch panels. Do these have to be category 6 since the cable is only category 3?

A42. All cables are to be CAT6a

Q43. Please provide more details on the half shaded triangle on the symbols page T-001.

A43. See A10 above and T-501.

Q44. Confirm that 3 data cables and one voice cable shall be at each location with a half triangle.

A44. Provide 4 data cables to each location

Q45. Detail the color of the faceplate and the color for both data jacks and voice jacks.

A45. Data is blue, voice is white

Q46. Please confirm that on page T-001 the empty triangle is the same symbol as the solid black triangle on the following pages.

A46. There are no blank triangles used on this project.

Q47. Please provide details on how many cables are to be at each location.

A47. See A10 above and T-501.

Q48. E-111 shows a TV location in the classroom this location is not reflected on T-101. Please confirm if there is to be a TV location there and whom will be responsible for providing the cabling and associated material for that location.

A48. No CATV required. Provide receptacles and empty conduit in wall as indicated.

Q49. T-601 Keynote 2 states that a 50 pair copper cable is to be ran to the stub up behind the former building 3032. Is this the same location referenced on pg. ES-101 Keynote 1? If so, there seems to be a discrepancy as to how many pairs are to be ran to the location. Should a 50 pair cable be ran or 25 pair? In addition, please detail how the termination of the 50 pair, 25 pair, 12 strand fiber and multi-mode fiber are to be terminated at the stub up, firehouse and building 3029.

A49. See Key Note 1 on ES-101. Provide 50 pair of copper.

Q50. Please identify the exact location of the communications room in building 3029 in order to get a more accurate distance for the fiber optic cable.

A50. See attached drawing of B3029

Q51. Please I identify the type of fire rated cable to be used on this project. The specs state to provide plenum, riser rated or general purpose cable for the horizontal cable, backbone and fiber optic cable

A51. Plenum rated cable only required if it is installed in a plenum. Provide riser rated for backbone cabling. Provide general purpose for horizontal cabling not in a plenum.

Q52. Section 27 10 00 Building telecommunications cabling systems, horizontal cabling 2.3.2.1 states that cat6 cable is to be used on this project. However, T-601 keynote 15 states that cat6 A cable is to be used. Please detail what type of cable is to be used on this project.

A52. Use CAT 6A

Q53. Please confirm that the Electricians are responsible for all Grounding, conduit, ring and string, cable tray ( outside of TR), underground conduit

A53. This question appears to be from a telecommunications installer sub and directed to the General Contractor, not the Government. The General Contractor should bid as shown on the construction documents.

Q54. Section 27 10 00 Building telecommunications cabling systems, horizontal cabling 2.4.2 is asking for equipment frames to be UL 80 listed. UL 50 is for Enclosures for Electrical Equipment and not communications equipment. Please provide more detail on the specifications for the equipment frames

A54. Provide UL 80 listed equipment frames per specification section 27 10 00.

Q55. The Specs for all of the communications products are very vague in detail. Is there a basis of design for this project relating to Building Telecommunications Cabling System?

A55. No.

Q56. I see there is a door details and icons on the drawings for it but I don’t see a spec for Security in the files. Or is the Security done by others or owner?

A56. See T-101, General Note 3.

Q57. Please provide a POC for Terrapin Utility Services, Inc.

A57. William Powell - Regional Capital Manager 3414 Pennsylvania Avenue Andrews AFB, MD 20762 Tel: (301) 735-4101 Fax: (301) 735-4103 william.powell@asusinc.com

Q58. Please confirm if an allowance for the connection fees for the new natural gas service should be included in the project estimate. If so, please provide allowance amount.

A58. There will be no additional connection fee. Contractor must contact COR and request Washington Gas bring the gas line to the meter

Q59. Please provide a basis of design specification for the trench drain located inside the vertical lift hangar door. This is not listed on the plumbing equipment schedule.

A59. Bid according to the construction document

Q60. Reference ABI #4. The elevations and details on the plans show the cast stone and soldier courses option, but do not show the base bid option. Please provide a detail for the base bid at these elevations and details.

A60. Remove ABI #4. ABI # 4 is now part of the base bid.

Q61. Please provide a basis of design and associated specification section for the insulated metal panels (MP-1).

A61. See specification section 07 42 63 attached.

Q62. Please provide contact information for the HVAC controls system provider.

A62. Zachery R. Loffredo Sales Executive SIEMENS Industry, Inc.

(C) 301-204-7907 zachery.loffredo@siemens.com

Jake Bennof Engineering Specialist SIEMENS Industry, Inc.

(301) 837-2602 jake.bennof@siemens.com

John Yingling SIEMENS Industry, Inc.

301 440-1605 john.yingling@siemens.com

Q63. Please provide specifications for the manual transfer switches.

A63. MTS must meet the requirements as listed on E-601.

Q64. Please provide specifications for the temporary generator connection points.

A64. Provide a camlock or equivalent type connection.

Q65. Please clarify primary voltage for the new 500kVA transformer. ES-101 shows 13.4kV and E-601 shows 12.47kV. Specs say 12.47kV.

A65. Primary voltage is 13.2KV.

Q66. Is the new 500kVA transformer to be placed at the same location as the existing 500kVA transformer? If so, will any work be required to modify the existing pad or primary service conductors? If work is required on the existing pad or primary service conductors, please provide details.

A66. Yes, replace on the same location. Provide new pad and grounding per E-504. We do not anticipate changes to the primary system.

Q67. Please provide specifications for Bird Spikes shown on A-351 and/or confirm that Bird X is acceptable.

A67. Bird X or similar is acceptable.

Q68. Will the netting area change with installation of the bird spikes?

A68. No.

Q69. Depending on the timing and nature of the responses to these RFI’s, we will likely need additional time to obtain pricing from the impacted subcontractors and suppliers. Please consider extending the bid date by 1-2 weeks.

A69. Bid Opening Date was changed from 14 Aug 19 to 28 Aug 19

Q70. Will the communications duct bank require concrete? The Spec and drawings contradict each other.

A70. Provide concrete encased communications ductbank.

Q71. The drawings show to use the existing gas line for the new building. Has the line been verified active and large enough to handle the new load?

A71. Natural gas is provided by Washington Gas. Per information provided to the designer by Washington Gas, the standard gas pressure provided is 7-inches water column and 2 psig. All work for natural gas up to and including the meter is to be performed by Washington Gas, and paid for by the contractor. Refer to response 58 for allowance amount.

Q72. On locating wire on PVC water line, ASUS generally allows us to use coated wire, there is a line in the spec from the Gov't that speaks to bare 10 gauge copper wire. Is normal coated wire is acceptable?

A72. Locating wire for water line shall be installed in accordance with Terrapin specifications.

Q73. The existing water lines are C-900, will bonded joints or dielectric fittings be needed?

A73. Please use dielectric fittings between dissimilar metals.

Q74. ASUS standard test pressure on non-fire lines is 150 PSI. Is this acceptable?

A74. Yes.

Q75. Section 3.14 on ASUS specs states that no thrust blocks will be used except in areas where restraint is not possible. Will thrust blocks be needed on new lines?

A75. Thrust blocks will be required.

Q76. Is CCTV required on Sewer lines? It only states that It may be required. Will it be or will it not be required.

A76. Contractor to field verify existing lines are not obstructed

Q77. The trench details are outdated. Will current details be used?

A77. Any exterior work involving utilities owned by Terrapin should be coordinated with Terrapin. All other trench work should follow the information stated on the drawings.

Q78. On Earthwork is RC-6 acceptable for fill in structural areas? It does not prohibit it in spec.

A78. No. RC-6 is not acceptable for structural fill areas

Q79. Would RC-57 be acceptable as bedding materials on PVC storm and sewer lines as well as where needed on water?

A79. Bedding required for utilities owned by Terrapin is acceptable for bedding for PVC storm and sewer lines.

Q80. On any lines to abandoned in place is flow fill a viable option instead of removing and re-compacting?

A80. Pipes should be removed as indicated on the drawings.

Q81. Will the CL dirt at boring locations b-3, 4 and 5 need to be undercut where it is under structural, (it does not fall within the satisfactory materials list in section 1.31 of the earthwork spec, however if it passes a Proof roll it shouldn't matter, if it does need to be removed it will be app. a 2' undercut to get it out of there.

A81. The area of soil indicated needs to be undercut & should be validated by the soil special inspector during construction.

Q82. Can you please provide the specifications for Insulated Metal Panels – MP.1 found on sheet A-201

A82. See specification section 07 42 63 Fabricated Wall Panel Assemblies attached.

Q83. On drawing E-602 there is a detail for the “Hanger Lighting Control Cabinet”. Within this detail there is a 6KW inverter fed by circuit LA-6.

A83. Provide a 8KW inverter. Revise LA-6 to be a 35A/1 circuit breaker. Provide 2#8 & 1#10G-1”C.

Q84. Can you please provide specifications for the inverter? Based on the detail, it is a 6KW single phase, 277v in and out, with 5 20A OCB’s.

A84. Yes, that is correct. However, revise this to be 8KW with a 35A/1 input circuit breaker

Q85. I cannot locate the specification for the insulated wall panels MP-1

A85. See specification section 07 42 63 Fabricated Wall Panel Assemblies attached.

Q86. Solicitation asks for metal roof in lieu of PVC. I cannot locate the specification for the PVC Roofing.

A86. See specification section 07 54 19 Polyvinyl-Chloride Roofing attached.

Q87. The color for the metal roof is listed as Dark Bronze. Base Standard for Andrews AFB is Medium Bronze. Please confirm.

A87. Medium Bronze is correct

Q88. Can you please provide a specification for the exterior metal panel system?

A88. See specification section 07 42 63 Fabricated Wall Panel Assemblies attached.

Q89. Can you provide thickness of existing concrete slab to be demolished?

A89. See Geotech report. Bore holes 3 and 5 were thru the concrete slab and the depths reported were .9 feet thick. Asphalt bore locations1 and 4 were reported to be 1.1 feet and 0.8 feet thick, respectively. Bore hole location was located in a grassy area

Q90. Are there specifications for the insulated wall panels (MP1)?

A90. See specification section 07 42 63 Fabricated Wall Panel Assemblies attached.

Q91. The project lists PVC roofing as standard with Metal Roofing optional. Are there specifications or drawing details for PVC? Perhaps metal roofing is the standard now?

A91. See specification section 07 54 19 Polyvinyl-Chloride Roofing attached and specification section 07 42 63 Fabricated Wall Panel Assemblies attached.

Q92. The plans list the color of the metal roofing as Dark Bronze. However, is not the base standard color for Andrews Medium Bronze? Please clarify.

A92. Medium Bronze is correct

Q93. Can you provide a specification for fall protection? Hangers usually have both interior and exterior fall protection systems.

A93. Bid as shown.

Q94. Specs for Bird Spikes shown on A-351 (attached) Specs from Bird X Attached. With installation of Spikes will the Netting area change?

A94. No.

Q95. For the horizontal cable, there is a discrepancy between what is on the drawings and what is in the specifications document regarding the Horizontal Category cabling. The drawings (T501, T-601) state Category 6A, the specifications (2.3.2.1 Horizontal Cabling) state Category 6. Could you please advise Category 6 or Category 6A?

A95. Provide CAT 6A

Q96. Please provide detail showing how you would like the underground refrigerant piping encased and how you would like it to be sealed after it exits the ground.

A96. Line should be protected by pvc conduit with sealed ends.

Q97. Please confirm that the cold water line to the refrigerator is 1”.

A97. Line should be ½”

Q98. How are the domestic water and gas lines to be run in the hangar area? Are they to run secured to the walls or suspended from trusses? If suspended, at what elevation are they to be run?

A98. Lines should be routed secured to structure.

Q. 99. The Drawing Title Sheet, G-001, indicates there are “Civil Drawings”. There are none. Question: Will the Government be providing “Civil” drawing?

A99. Yes, posted to FBO (JJE)