RFI - Answers to Questions 1-179 - 36C25722B005 Replace Bldg. 163 Roof Systems.pdf

1. Can contractors set up additional site visits to field verify existing conditions?

Answer: No, all site visits have concluded.

2. Statement of Work in solicitation word document at 2. DEMO - 21. - It states for roof system to be removed to concrete deck, then states metal deck to be cleaned. Please verify what deck type building has.

Answer: Concrete.

3. Statement of Work 3. NEW ROOF - 3.1 - States for insulation to be mechanically attached, then also gives out bead spacing for each zone as if system is fully adhered. Can the government clarify the desired attachment method of the roof assembly?

Answer: This is a means and methods issue. The contractor is to follow the manufacturer’s instructions.

4. Attached PDF for Section 07 22 00 Roof and Deck Insulation, Part 2 - Products, 2.1 A. 1. States overall R-value to be R-25, however in Statement of work 3. New Roof - 3.1 states R-20. Please clarify required R- Value for roof assembly.

Answer: R-30

5. In Statement of Work - 2 Demo - 2.2, It states place recyclable material in recycle dumpster located in the CE dumpster yard. Is contractor required to provide this recycle dumpster?

Answer: Contractor is to provide a GEMs report per VA Standards.

6. Can clarification be given for what roof sections/wings are included in this RFP? It look like, per the as-builts given, the entire South-west portion, other than newly added section. Please clarify.

Answer: Please see Construction Drawings.

7. We would like the VA to consider the following manufacture and product for the roofing project in Temple TX.

Below is our Ure-A-Sil seamless membrane option designed for flat roof substrates, with 12, 15, and 20-Year warranty options.

Please, inform if this or any other alternate product that meets the required specification will be equally approved for the bid.

Ure-A-Sil Submittal Package (designed for flat roof types)

Ure-A-Sil QS & Application Guideline Ure-A-Sil Quick Spec Ure-A-Sil Application Guideline

Ure-A-Sil PDS Silicone 410 PDS High Solids Silicone PDS Aromatic Urethane 520 PDS Urethane Brush-Grade 522 PDS EcoCleaner 925 PDS Polyester Fabric PDS

Ure-A-Sil SDS Silicone 410 SDS High Solids Silicone 412 SDS Aromatic Urethane 520-Aluminum SDS Urethane Brush-Grade 522 SDS EcoCleaner 925 SDS

Material Warranty Sample StarGard 12-Year Roof Coating Material Warranty Sample StarGard 15-Year Roof Coating Material Warranty Sample StarGard 20-Year Roof Coating Material Warranty Sample

Labor & Material Warranty Sample StarGard 12-Year NDL System Warranty Sample StarGard 15-Year NDL System Warranty Sample StarGard 20-Year NDL System Warranty Sample

8. Unless I am missing the information in the solicitation, I do not see what documents we need to include in our bid package other than form 1442, other pages that require the standard boxes checked. Please advise what entails the complete bid package.

Answer: Completed 1442, Price and Cost/Price Schedule (Bid), signed amendments (all), Bid Guarantee (Bid Bond is required), Performance and Payment Bonds and all required documents listed in the solicitation.

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9. Can we use a crane to bring demo material down for disposal, and to lift materials up for install?

• If so, please designate multiple access points for use.

Answer: Yes. Locations will be coordinated between the VA and the awarded GC.

10. Where will designated lay down area be? Dumpster area, as well as fenced in area location?

Answer: Yes.

11. Safety requirements… i.e., barricades, warning zones, fall protection.

12. Access to power?

13. Available parking, as well as 18 wheeler unloading area?

Answer: Can be coordinated.

14. Hours of operation permitted?

Answer: 7am – 4:30 but this is flexible.

15. Does the awardee have to be a VA Certified Service-Disabled Veteran (show in VetBiz)?

Answer: Yes, it is on page 1, block 10 of the solicitation. This is a "Competitive" requirement Set Aside 100% Service Disabled-Veteran Owned Small Business (SDVOSB).

16. During the site visit on 10 November 21, we found an issue with the existing lightning protection system and wanted to bring it to your attention prior to working our bid proposal. We have other RFI’s but felt that this one concern was serious enough to push it forward for consideration. We brought our lightning protection company to the site visit b/c this part of the work is pretty extensive and important.

RFI, The SOW Paragraph 1.6 Lightning Protection: States to re-install new lightning protection system to the existing grounding cable. During the site visit yesterday it was discovered by the lightning protection company in attendance that the existing system is non-functional due to the lack of existing grounds.

If the new lightning protection system is connected to the existing ground points the new system will not be functional. In order to meet current codes and the requirements of certification as listed in the SOW, there will need to be numerous new grounding points installed. These new grounds will have to run on the outside of the building down to the ground for proper grounding. Should we add these new grounding points or should the Lightning protection be installed as listed without meeting the required certification?

Answer: Yes. A completely new lighting protection system will need to be installed along with grounding rods.

17. Can you confirm and request an accurate KEY MAP showing all buildings to be included/excluded

Answer: See drawings provided in solicitation.

18. Request Key plan sheet showing existing roof build (Deck Type/Insulation Thickness) for each roof surface

Answer: See drawings provided in solicitation.

19. Is there any natural taper in structural decking? If so, What pitch?

Answer: See provided as-built drawings

20. Was core samples taken of all levels and areas of roofs? If so, can you obtain the report or images of core samples? We request the report or images of core samples.

Answer: Roof Report Core Samples indicate; 1.) 2” Insulation @ Drain 2.) 3 ½” Insulation @ Perimeter

21. All plan sheets show built-up modified cap sheets to be installed, Will the owner accept TPO/PVC? Or is Modified built-up required?

Answer: White TPO shall be used.

22. There are keynotes on the plans that indicate to remove 3 courses of existing brick and install through wall flashing, then replace the brick, Is this in fact required? If TPO/PVC roof is allowed this may not be required.

Answer: TPO is now required

23. Will V/E's such as design build roof system be allowed to be proposed? (Alternate materials since there is a massive nationwide material shortage which is extending some materials until the summer of 2023) A Full manufacturers NDL warranty will still be issued for a 20 or 30 year roof system

24. Where on the facility can materials be stocked in relation to the roofs to be replaced?

Answer: COR, Staging Area TBD & Identified prior to NTP.

25. Will there be a section of the facility available to park/store equipment?

Answer: Yes, refer to Notes 1/Sheet 2.

26. Will the crane be able to be left in place if fenced off which will be set up for each section for removal of the existing roof and installation of the new roof?

Answer: CO Answer – Refer to the answer to question 51.

27. Would the owner consider removing the EPDM membrane and installing a new cover board over existing poly iso, then installing a 60 - 80 MIL TPO/PVC roof system

Answer: No. Due to water infiltration and existing ponding, REFER to Section 2 (Demo) of

SOW.

28. If TPO/PVC roof system is approved in lieu of modified bitumen cap sheet, Will it still be required to remove all existing edge metals, wood blocking? Or overlap new prefinished metal edging over existing (V/E)

Answer: Remove and replace all existing edge metals and wood blocking.

29. In order to prevent foot traffic in the building, It should be proposed to have access stair towers erected by the roofing contractor for safe access to the roof system which can be secured and locked to prevent unauthorized access by others (Several may be needed at various locations around the perimeter of the building

30. Will any roof top equipment, or current penetrations be removed from roof (Unused Mechanical or plumbing?)

Answer: Yes. Anchors from the old solar panels and old antennas. These areas will need to be repaired as necessary.

31. Will walk pads be required around and leading to all roof top equipment? Or anything larger than 2' x 2' curb/unit?

32. Can the large stainless steel coping be re-used and flashed under? Or will it be replaced?

Answer: Yes, if it is serviceable and is sealed properly. See Sheet 2/General Notes 10 – All Material Shall be New.

33. What will be the available work days? Monday-Friday?

Answer: Yes. Some work that is loud and disruptive may need to take place over a weekend. The hospital will be under normal operations and some spaces are sensitive to noise and vibration. This is especially true for the surgical suite. Early morning, evening, and weekend work should be accounted for.

34. Is weekend work allowed?

Answer: Scheduled or on a case by case @ no cost impact to the VA.

35. What will be the available working hours per day? Times?

Answer: 0700-1630, however, this can be planned with the VA Contracting Officer and

COR.

36. Will workers be required at any time to be vaccinated for Covid-19?

Answer: CO Answer - Please refer to pages 14 and 15 of the solicitation - VHA Supplemental Contract Requirements for Ensuring Adequate COVID-19 Safety Protocols for Federal Contractors (Amended October 25, 2021). Refer also to Page 43 - 52.223-99 Ensuring Adequate COVID-19 Safety Protocols for Federal Contractors

37. What will be the required Covid-19 protocols for workers on site?

Answer: CO Answer – Refer to the answer to question 36.

38. What is the expected start date of this project?

Answer: CO Answer - 10 calendar days after the Notice to Proceed is received. The VA is aware of extended material lead times

39. What is the expected duration of this project in days? Required end date?

Answer: CO Answer - 365 calendar days after the Notice to Proceed is received. The VA is aware of extended material lead times.

40. If sheet metal flashing is in good condition, Can it be reused?

Answer: Yes, only at existing thru-wall flashing locations per Sheet 10/Det 1 & Sheet 11/Det 2.

41. Due to nationwide material shortages lead times may be excessive for some time, and may affect the duration of the project, equipment rental duration, Expected non-work days, Will these situations be accepted as "Non-Work" days and be credited to the project duration?

Answer: Yes, at no additional cost to the federal government

42. Due to constant price changes in the commercial roofing and sheet metal materials, all manufactures are not allowing prices to be locked in at current rates and will need to be repriced at time of delivery (Change orders may be requested to cover the off set cost)

Answer: This will be reviewed by the contracting officer on a case by case basis.

43. Due to the height of the work areas we would require all employees to be tied off when within 10'ft from zero edge of roof, A barricade system will also be required at the ground level to prevent staff/visitors from injury of falling objects or blowing materials, This may also require closing off certain entrances beneath the work area for that day, Will this be allowed and coordinated with the facility staff (Including Fire Escape exits) Answer: This will be coordinated with the awarded contractor and the VA.

44. It is very important to know how much existing material must be removed and disposed of. The only way to reliably determine disposal is to take core samples in multiple locations in each section. Each section needs an average amount of existing roofing material to dispose of. Please pull core samples in multiple areas of each section to get an average thickness and provide the findings.

Answer: Replace all. Refer to question 20’s response.

45. Core samples are normally conducted by roofing companies. Can you provide the name of the roofing company, or other company, that conducts the sampling to prevent a conflict of interest?

Answer: Samples will be provided.

46. Does the lightening arrest system require third-party certification?

Answer: Yes

47. Is the existing slope in the deck or is the insulation tappered?

Answer: See as-built drawings

48. Are all drains to be sumped (lowered to allow better drainage)?

49. Are we replacing or reusing through-wall / brick flashing?

Answer: Depends on current condition. Allowances for replacement should be considered.

50. Does base flashing need to be copper?

Answer: No.

51. The contractor will need access throughout the project on the North, South, and West ends for disposal and materials delivery. A crane will be needed for the duration of the project. Stabile ground with roof access is needed. Please designate areas on the North, South, and West sides of the hospital that can support continuous crane operations, store materials, and provide roof access Answer: Will be coordinated between the general contractor and the VA.

52. Do abandoned curbs (possibly exhaust) need to be removed?

Answer: Yes, make repairs to the area as needed.

53. Holes in the brick mortar along the East side of the tower were noticed. Will that need to be repaired to prevent water penetration that could be confused with roof leaks?

54. Are new roof edge warning stripes required?

Answer: Yes, as stated in Note 12/Sheet 2.

55. Are new walking treads, similar to the ones currently in place, required?

Answer: Refer to question 31.

56. Trees are obstructing roof on the West side. Are trees allowed to be trimmed back?

Answer: Trimmed, not removed.

57. Currently, some materials have extremely long and unpredictable lead times;

potentially more than one year. How will this affect the period of performance?

How will increases in materials costs be accounted for in the event of excessive lead times?

Answer: Material would possibly need to be stored until needed.

58. Does the VA require a completed, stamped design by registered architect/professional engineers prior to roofing replacement?

Answer: No

59. RFP indicates R-20 polyisocyanurate insulation (Section 3.1). The spec provided (and code minimum) indicates R-25. Please confirm if R-25 is required.

Answer: R-30 is required.

60. Will structural assessment be required if additional weight is added (thicker insulation), especially at areas of metal deck & TPO\PVC roof?

Answer: COR. Concrete Deck. No structure Steel/Metal Deck.

61. If any deteriorated/corroded metal deck is uncovered, how would the Government prefer to handle the repairs?

Answer: COR. Concrete Deck. No structure Steel/Metal Deck.

62. Where is the VA requesting material be stored on site at?

Answer: COR. NE corner of the campus

63. Is there documentation of a current asbestos report?

64. What are the COVID testing requirements?

Answer: CO Answer – Please refer to the answer to question 36.

65. How many layers of roof are currently on the structure; upper level, lower level, and penthouse?

Answer: See provided as-built drawings

66. What thickness of insulation is currently on the structure; upper level, lower level, and penthouse?

Answer: COR. See question 20.

67. What material does the decking consist of; upper level, lower level, and penthouse?

Answer: COR. Flat Concrete. See question 19/.

68. Will the installation of permanent anchor points to tie off be necessary?

Answer: Yes, for Life Safety. Provide 8 anchor points per roof. Locations to be determined with the VA.

69. By what means will employees be expected to access the roofs?

Answer: As existing.

70. Will all penetrations that are currently capped off be removed?

71. The RFP Form 1442 states “The Contractor shall begin performance within 365 calendar days and complete it within 10 calendar days of notice to proceed.” Should these durations be switched with one another?

Answer: CO Answer – Please refer to Amendment 0003

72. Will any liquidated damages apply?

73. Will there be any work restrictions due to the fact we are working over a hospital?

Answer: Yes, fumes (air intakes) and cranes (overhead safety).

74. What will be the standard gauge and finish for counterflashing on Bldg 163?

Answer: Refer to PARA 4.12 & PARA 4.13 of SOW and SPEC SECTION 076000.

75. Is there a laydown yard for material/job site trailer for this project?

Answer: CO Answer – Please refer to the answers to questions 24 and 25.

76. Is there documentation of a current asbestos report?

Answer: No asbestos present. Please see attached asbestos reports.

77. What are the covid testing requirements?

Answer: CO Answer – Please refer to the answer to question 36.

78. Can the owner provide just how many layers of roof are currently on the structure;

upper level, lower level, and penthouse.

Answer: COR. See question 65.

79. Can the owner provide what thickness of insulation is currently on the structure; upper level, lower level, and penthouse.

Answer: CO Answer – Please refer to the answer to question 66.

80. Per the RFP, is concrete decking on each; upper level, lower level, and penthouse.

Answer: CO Answer – Please refer to the answer to question 67.

81. Will the installation of permanent anchor points to tie off be necessary?

Answer: See question 68.

82. By what means will employees be expected to access the roofs?

Answer: See question 29

83. Will all penetrations that are currently capped off be removed?

Answer: CO Answer – Please refer to the answer to question 70.

84. Just to confirm the VA is wanting R-20 Insulation for the new roof?

Answer: CO Answer – Please refer to the answer to question 59.

85. The duration of the project is shown at 365 days. Speaking to several roofing contractors, that duration is very low and it will take closer to 2 years with these specifications.

Answer: 365 days is the duration.

86. Will there be any work restrictions due to the fact we are working over a hospital.

Answer: COR. See question 43.

87. All work is to be done during normal hours correct?

Answer: CO Answer – Please refer to the answers to questions 33, 34 and 35.

88. The scope of work 1.8 describes having the manufacturer representative on site 2 days per week. In our experience, the manufacturer rep has his/her own schedule and only shows up when they have the time after scheduling weeks/months in advance. Will this be required?

Answer: COR the intent of this requirement is to ensure that the system is being installed correctly. Therefore, the VA will require routine inspections from the manufacturer. The frequency of which can be coordinated.

89. What is the existing roof deck material? Concrete deck, metal pan deck or wood decking?

Answer: Please see provided as-built drawings

90. What is the thickness of the existing roof material?

Answer: CO Answer – Please refer to the answers to questions 18, 44 and 66.

91. Will the successful bidder be required to abate asbestos, lead, or any other hazardous material? If so, please provide the required survey report.

Answer: CO Answer – Please refer to the answer to question 95.

92. What is the ICRA level for this project?

Answer: 4

93. Can this work be performed during normal working hours?

Answer: CO Answer – Please refer to the answers to questions 33, 34 and 35

94. Is any of the work required to be after hours or on weekends?

Answer: CO Answer – Please refer to the answers to questions 33, 34 and 35

95. Are we to dispose/abate of any asbestos, lead, mold or other hazardous material as part of this project? If so, provide appropriate hazardous material site survey report.

Answer: no asbestos is present.

96. What will the ICRA level be for this project?

Answer: CO Answer – Please refer to the answer to question 92.

97. Are there any Required/ Proprietary subcontractors required as part of this project? COR.

98. Block 11 of the solicitation: Can you please clarify that the GC has 365 Days to perform the project and the contractor is to begin performance within 10 days of NTP.

Answer: CO Answer – Please refer to the answer to question 71.

99. What is the duration of the project?

Answer: CO Answer – Please refer to answers to questions 39 and 71.

100. Will there be any penalties?

Answer: Penalties for?

101. IS the VA wanting R-25 or R-20 Insulation?

Answer: R-30

102. Is there a specific roofing material manufacturer required for this application?

Answer: See SOW, 4. Material Requirements, 4.1

103. Would it be acceptable to the VA to propose a less expensive alternative roofing material (such as TPO or PVC) that can provide the same protection and warranty as specified by the requirements?

Answer: TPO is now the required roofing system

104. Drawing Sheets 10 & 11:

1. In lieu of “Modified Bitumen Roof System” would either TPO/PVC Roof System be acceptable? Answer: TPO is now the required roofing system

2. In lieu of “Removing Bricks” would install Reglet Cut Receiver/Counter Flashing be acceptable? Answer: No

3. If TPO/PVC approved then none of the “Red Blocks” would be required. Would this be acceptable? Answer: Yes

4. Could the following be acceptable V/E items?

a. Delete Cover Board Answer: No

b. Mechanically Attached ISO on Metal Decks Answer: No

c. Remove EPDM Sheet & Retain Existing Insulation & Tapered System Answer: No

105. Where will staging areas be located, including areas for loading and unloading the roof and materials storage?

Answer: CO answer – Refer to answers to questions 24, 25

106. SOW Paragraph 3.1 states to install an R-Value of 20, however, the code requirements listed in the SOW paragraph 1.1 dictate the minimum requirement shall be R-25. Should we bid R-20 or bid per code using R-25?

Answer: COR: R-30

107. SOW Paragraph 2 Demo, does not mention removal of existing metal expansion joints, area dividers, or counter flashings. Can these metal flashings be re-used?

Answer: Preparation for Re-Roofing, Base Flashing Removal, B. Replace Counterflashing.

108. SOW does not mention the abandoned equipment, such as curbs, conduits, support legs and vents, that are currently on several areas of the roof and will need to be replaced. Should these abandoned items be flashed into the new roof system, or be removed? B-163 Roof Drawings, Answer: General Notes, #12, Verify with owner and remove all abandoned or non-functional curbs and equipment.

109. SOW Paragraph 3.4 states metal edge shall have inside and outside corners and splice plates. Is the intent to provide pre-manufactured (welded) inside and outside corners or can the roofing contractor field fabricate corners?

Answer: This would be acceptable.

110. SOW Paragraph 4.13 states to use new fire-rated wood nailers. The specifications 06 10 00 2.1 F.

list a Fire Retardant Treatment. Is this to be used to meet the fire-rated wood nailers as mentioned in the sow?

111. Section 01 33 23, Paragraph 1.9 Test Reports. Please list the required test so repairs to the new roof system can be included in the proposal.

Answer: Provide all necessary testing of all materials and methods according to all codes and standards.

112. Section 07 01 50. 19, Paragraph 3.2. F. Where are the fresh air intakes located and what kind of material should be used to minimize effects on indoor air quality if required?

Answer: Preparation for Re-roofing, 3.2 Preparation. Coordinate this with COR.

113. Section 07 01 50.19, Paragraph 3.5 Deck Preparation B. I & 2. If the concrete deck is visually dry, will the moisture test according to ASTM D4263 be required daily?

Answer: Preparation for Re-roofing, 3.5 Deck Preparation. #2 Test will be performed in accordance with ASTM D4263 each day for each separate roof.

114. Section 07 22 00, Paragraph 2.4 c. Tapered Roof "Insulation System, states to provide h" per foot tapered insulation at high and low points with crickets and slopes as shown. If the existing roof deck is flat, will the field of the roof be 1/4" or h" per foot slope. If the field of the roof slope is 1/4", then the crickets will need to be h" per foot for proper water flow. Can the VA verify the correct tapered insulation slopes?

Answer: Please see provided as-built drawings and provided project drawings.

115. Section 07 52 16.1 1, Paragraph 1.3, states contractor to water test all roof drains before project and will be responsible for any work after testing. Will there be a line item for drain repairs if repairs are required after the water test?

116. Section 07 52 16.1 1, Paragraph 1.1 1, states to install an average R-Vaiue of 25. The local code dictates a continuous R-Value of 25 be achieved not an average R-Value. A continuous R-Value would require the start/edge of any insulation system be R-25. An average R-Value would calculate the thickness of all areas to achieve the R-25. Is the VA requiring an average R-Value because of base flashing height limitations?

Answer: R-30 is now required.

117. Section 07 52 16.1 1, Paragraph 15, states the roof system installer must be approved by the roofing system manufacturer. Will the VA require a roof system manufacturer's letter of contractor approval be submitted with the bid on bid day?

118. Section 26 41 00, Paragraph 3.2 states to provide a UL master label for each of the lightning protection systems. A UL master label is not obtainable unless the entire facility has a complete new lightning protection installed including any connecting building, electrical, mechanical and communications systems. The SOW, Paragraph I .6 states to re-use the existing grounding system and replace the existing lightning protection cables with new cables and rods. Providing the Government with UL Lightning Protection inspection certification and resistance reading for the facility. Should the lightning protection requirements in the specifications or the requirements in the Statement of Work be used?

Answer: Provide whatever is necessary to obtain the UL master label.

119. Looking through the solicitation, just want to make sure there isn’t a page missing. Page 13 of 75 appears to be blank, aside from the title. Is there supposed to be information under “INFORMATION

REGARDING BIDDING MATERIAL, BID GUARANTEE AND BONDS”?

Answer: There are no missing pages.

120. Where will be the designated are for staging and roll dumpsters?

Answer: Refer to the answers to questions 10, 24 and 25

121. Due to limited access around building, what is an alternative for removing debris and loading materials?

Answer: Yes. See Notes #1 on Sheet #2.

122. What is the current height of existing drains? As this will help determine the starting thickness at all roof drains.

123. Exhaust Vents labeled “Biohazard” and “Contaminated Air” will these be able to be shut down when installing base flashing at these units?

Answer: Will have to be coordinated. May require a weekend shutdown to prevent patient care interruption.

124. Detail 1/R10: Thru-Wall Flashing; we will be very close to minimum required height clearance once cant strip is installed, will this be an issue?

125. Note #7 of Roof Plans, page 2; will over flow scuppers be installed on both sides of roof drains, where accessible? Or how will overflow scuppers be determined?

126. Note #12 on Roof Plans, page 2, indicates to paint yellow safety perimeter 6’ from the edge, what type of paint will be acceptable on new roof system?

Answer: Paint that is standardly used in this application.

127. Detail 1/R10 shows steel deck, please verify that all roof deck is concrete.

Answer: CO answer – Refer to the answer to question 89.

128. Where steel post are to be removed, Roof D, KEY NOTE 3; what will be a preferred method to patch decking, stainless steel flat sheet anchored to deck?

Answer: Use similar material to what is existing

129. What is a preferred method for base flashing installation at these roof sections on penthouse roof (East and West Side)?

Answer: Standard?

130. Will the bid date be changed from the 29th of November due to Thanksgiving?

Answer: The Bid Due date remains the same until further notice.

131. What documents need to be submitted for the bid package?

Answer: See Answer to Question 8 Answer: Completed 1442, Price and Cost/Price Schedule (Bid), signed amendments (all), Bid Guarantee (Bid Bond is required), Performance and Payment Bonds and all required documents listed in the solicitation.

132. Looking at the spec this is not a spec we can meet. Reasons: Cap sheet the spec calls for an ASTM D6162, Type III, Grade G modified cap sheet. We do not manufacture that product.

Answer: ?

133. Our highest Cold applied FM tested assembly is an FM-90.

134. We cannot meet the inspection requirements of having an inspector on site 2 days a week.

Answer: Answered previously in this RFI

135. This appears to be a JM or Tremco based spec as they are the only manufacturers with a cold applied system that has over a FM-300 and who makes a cap sheet that meets the specs.

136. A variation or substitute allowed for single-ply Duro-Last roofing be allowed? does it have to meet Fm 1-300?

Answer: TPO roof is now required

137. Will the VA consider change the bid date from Monday 11/29/21 after Thanksgiving Holiday to later in the week?

Answer: Refer to the answer to question 130.

138. Can the VA provide location for staging area and size?

Answer: Refer to the answers to questions 24 and 25

139. Can the VA provide pictures of all the equipment and supports that are fastened to roof material and not the deck? Can the VA provide quantity of electrical supports that need fixed? Mechanical? Plumbing?

Answer: N/A

140. Can the VA provide description of work required for the disconnect and reconnect of the freon, water and gas lines on the roofs?

141. Is the only division one specification section for this project 01 33 23?

Answer: See provided specs

142. How many people from the GC are required to be on site during the duration of the project?

Answer: Site superintendent

143. What does “Raise exhaust vents on to minimum height” mean? What is the minimum height and how many?

Answer: Minimum standard height

144. Please confirm that this project is tax exempt.

Answer: yes, the project is tax exempt

145. What permits will be required for this project?

Answer: No.

146. Please provide quantities for bidding purpose of damaged or broken drain baskets?

147. Please provide quantity of gas line that needs to be painted yellow.

148. Please provide painting specifications section for the drain baskets and gas lines.

149. Please provide asbestos test reports for each section of roofing material to be demoed.

Answer: CO Answer: See attachment - 163 asbestos report - roof

150. What kind of paperwork or documentation is required for proper operational status of roof top equipment? Need a list of equipment and manufacturers that will need proper operational status.

Answer: Not sure what is being asked.

151. Please provide quantities and locations of abandoned or non-functional curbs and equipment.

152. Please provide exact locations and quantities for new traffic pads.

153. Please provided 09 06 00 – Schedule for Finishes.

154. It appears that the proprietary specification given to the GC’s is specific to Tremco

Roofing Materials. Is this the VA intent for this project?

Answer: No. All manufactures will be considered that meet or exceed the design specifications

155. Please confirm that the Thru-Wall Flashing Detail on sheet 10 is alternate pricing. Is this an alternate? Will it be a deductive alternate? Can the VA provide a defined scope of work for this alternate? We will need a new bid schedule for the alternate.

156. Please indicate where on the drawings Detail 6-R8 would be used.

157. Please indicate where on the drawings Detail 5-R8 would be used.

158. Please indicate where on the drawings Detail 5-R10 would be used.

159. Please indicate where on the drawings Detail 3-R10 would be used.

160. Please indicate where on the drawings Detail 5-R11 would be used.

161. Can the VA provide quantities for the steel post removal on Roof D drawing?

162. Is the GC required to setup scaffolding to access the roofs or can they us the hospital elevators, stairs, and roof access points?

Answer: GC required to provide contractor access to the roof

163. What is the personnel requirement for the project supervision? Can the Site Superintendent also act as the Quality Control Manager and/or the Safety Officer, provided they have the qualifications and experience to do so?

Answer: Yes and Yes

164. Has the building area where work is to be completed been tested for the presence of any hazardous materials (lead paint and ACM materials)?

Provide reports if available.

Answer: Yes, hazardous material reports are available

165. Provide location of GC lay down area on VA campus in proximity of the work to be completed

Answer: Refer to Answers to Questions 10, 24 and 25

166. Confirm that the VA will provide temporary power available for GC use at GC trailer with understanding that GC will be responsible for connection / disconnection.

Answer: IF power is available in that area, the VA will allow it to be used.

167. Several items as shown on plans do not correspond to the legend provided. Provide all necessary identification.

Answer: Please clarify, give an example

168. Will roof access for manpower be made available to all trades from existing interior hospital stairways or will we need to erect an exterior stair tower? Answer: Yes, an exterior stair tower will be required o If stair tower is required, provide the following information:

Location of stair tower. Answer: Will be coordinated Vertical heights for all roofs from grade to obtain access from exterior. Answer: Field verify

169. Coded note 7 calls for electrical and condensate lines to be on supports/pads.

o Can information for electrical be provided to allow for proper accounting of necessary supports/pads.

o What is the expected spacing for supports/pads?

170. Plans called for Insulation to be mechanically fastened but the plan for the existing roof says the deck is concrete. If the deck is concrete, we will be using adhesive to attach the insulation and cover board as well as the membrane. (Fully Adhered System). Provide clarification.

Answer: Deck is concrete. Follow manufacturer’s installation instructions to meet warranty as specified

171. The specific material they are calling for GAF no longer makes the project.

We will be estimating for a GAF Fully adhered SBS " Ruberoid " Cold Applied Roofing System which will satisfy the NDL Warranty requirements. Provide clarification and specific direction on materials to be utilized

Answer: TPO roof is now required

172.