Combined Pre-Bid RFIs - 2-LL.docx

1. How many roof systems are on top of the existing roof?(building 90)

a. Response: Refer to detail X5/AS-501 & refer to GI-003 Roof Demolition Note 1.

2. What is the insulation factor of the existing roof system?(building 90)

a. Response: R-Value calculations shall only include new materials. Decking is lightweight concrete and does not contain any insulation, it adds minimal R-value.

3. Is the existing Decking Wood or Metal?(building 90)

a. Response: Refer to detail X5 & X6/AS-501 & refer to GI-003 Roof Demolition Note 1.

4. Will there be any secured staging areas to store supplies and equipment?

a. Response: Refer to Specification section 01 00 00 1.6. No secure staging available at this time.

i. Follow up question: Would the VA please provide a site map with the various buildings identified? Response: (See attachment) Contractor will be responsible for any temporary fencing or gates needed to secure items.

1. This is required to enable us to determine:

a. how far materials will need to be transported to each roof

b. a traffic control plan and manpower required

2. Will we be allowed to stage materials on the roofs

a. Response: No

5. On Building #4 are we being asked to remove and replace all shingles?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 6.

6. Louver to be removed, painted, and put back or are they to be replaced?(building 4)

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 7 & 29.

7. Are buildings 15 and 93 removed from the bid? there was not a site visit for these buildings on January 16th.

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

8. Does the bid have to be submitted on the solicitation "36C24725R0018" Cost Price Breakdown Sheet?

a. Response: Yes.

9. Do any of the roofs contain asbestos?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

10. As per specification page number 070150.19-2. Does this bid require subcontractor to be responsible for section 028213.21 Asbestos Roofing Abatement?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

11. Is roofing contractor responsible for Asbestos removal?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

12. With reference to Asbestos removal, can the owner identify areas that require Asbestos abatement?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

13. According to Spec page NO. 070150.12-2 related work section 075423 TPO Roofing: is TPO the required Roofing Membrane?

a. Response: Refer to Specification section 01 11 00 & Drawings AS-501 details A-H.

14. Spec page NO. 070150.12-2 related work section 075423 TPO Roofing: what is the required milage?

a. Response: Refer to Specification section 01 11 00, Specification section 07 54 23 paragraph 2.4 & Drawings AS-501 details A-H.

15. According to page 072200-8: B.2.a sumps shall be 4' by 4' unless otherwise noted on drawings. However, on building 90 are sumps smaller than 4' by 4' noted?

a. Response: Labeled scale of 3/32”:1’ is incorrect. Scale is 1/16”:1’.

16. Building 90 has an existing decorative roof cornice in addition to a metal roof flashing. Is the contract required to remove both or just the roof flashing for a new TPO roof Membrane? Please find attached photos of existing roof cornice and roof flashing condition.

a. Response: Refer to details 10 & 12 AS-504.

b.

c.

17. If contractor is required to remove asbestos, may contractor give a unit price or is the contractor required to give a lump sum price for Asbestos Abatement?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

18. Building 4: Is contractor required to replace and install new gutters and downspouts?

a. Response: Refer to Specification section 01 11 00 paragraph 14 & 38.

19. Building 4: As per drawing AS-505 Drawing 5. Reinstall existing AC window units with custom fit. Please provide sizes and quantity numbers of existing AC units.

a. Response: See below photo, Contractor install new units that are custom fit.

b.

c. Follow up question: Please provide specifications and the new AC units (BTUs, etc)

i. Response: Basis of design Friedrich Model CEW08B11B

20. A safety rail sub sent me the following question. He would like to ask if you are open to going with a weighted non-penetrating guardrail system on building 90 instead of the ballasted fall protection anchors and cable system that is specified. I have attached the spec sheet for the system that he would like to propose to use.

a. Response: We recommend no due to visibility and to maintain consistency between bids. Use basis of design in project.

21. Standard Form 1442 and Cover Sheet GI-001 refer to Replace / Repair for Buildings 4, 15, 90 & 93. The plans only have drawings for buildings 4 and 90, can you please clarify the scope that we need to include with this proposal?

a. Response: “Replace / Repair for Buildings 4, 15, 90 & 93” is a project title and has no bearing on project scope. Refer to Specification section 01 11 00.

22. Please provide a list of acceptable manufacturers for modified bituminous roofing.

a. Response: Modified bituminous roofing is not included in this scope. Specified base sheet shall meet specified material requirements and be approved, tested and warrantied by the Roof System manufacturer.

23. Please provide a specification for the modified bituminous cap sheet.

a. Response: Modified bituminous cap sheet is not included in this scope.

24. Will buildings 15 and 93 be included in the SOW for this solicitation?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

25. Can the VA please specify what level of ICRA, if any, will be required while replacing skylight panels in the Laboratory.

a. Response: ICRA Class IV.

26. Can the Government please provide an asbestos report for the included scope of work areas.

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

27. What is the extent of known asbestos abatement work that is required by this project?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

28. The ‘Statement of Work’ included in the solicitation document and the project title refer to Buildings 15 and 93; however, drawings are not included for those buildings. Please confirm that these are not to be included in this project’s scope of work.

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

29. If there is work on Buildings 15 or 93 for this contract, please provide drawings reflecting those building and the required scope of work.

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

30. Specification 01 45 00, Section 3.2.B.1 states, “Include a CQC System Manager that reports to the project superintendent.”. Can the Contractor’s Site Superintendent fulfill the role and requirements of the CQC System Manager, so long as they have the required qualifications and can adequately complete the required duties of these positions?

a. Response: Yes.

31. Please provide the roofer’s hourly wage rate. It is not listed in the General Decision Number : AL20240078. This information is necessary prior to bid submission.

a. Response: Correct DBA to be uploaded with amendment to solicitation

32. Is design required for this project?

a. Response: Not at this time. However, individual submittals may require signed and sealed calculation.

33. Is Building 15 a part of this contract?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

34. Is building 93 a part of this contract?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

35. Is General Requirements 01 00 00 1.3 B Alternates, #1 part of project?

a. Response: Alternates shall be bid as part of the project with separate cost associated for each.

36. Is General Requirements 01 00 00 1.3 B Alternates, #2 part of project?

a. Response: Alternates shall be bid as part of the project with separate cost associated for each.

37. Is General Requirements 01 00 00 1.3 B Alternates, #3 part of project?

a. Response: Alternates shall be bid as part of the project with separate cost associated for each.

38. Please clarify if the Unit Price Schedule from the specs is to be submitted with the proposal?

a. Response: Yes

39. Please confirm that the contractors are to provide unarmed guards at the project site after construction hours.

a. Response: Guards are not required.

40. Please confirm that the contractors are to install equipment for recording guards.

a. Response: Not required.

41. Please verify that gas powered equipment will be allowed on the roof areas.

a. Response: No.

42. Is work at Roof Area 4E, removing/replacing window system, a part of this contract?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 11 & 32.

43. Please provide size and location of abandoned mechanical units, curbs and accessories that are to be removed during the project.

a. Response: Refer to drawings AD-101 & AD-102.

44. What quantity of Building 4 batt insulation should we include in our proposal?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 20 & 21.

45. What certification is required for the LP system?

a. Response: Provide certification in accordance with UL96 and UL96A for all components and the installation.

46. Please clarify R-value requirements. The specs state minimum R-30 and minimum average R-30.

a. Response: R-value requirements vary by roof area. Refer to Specification section 07 22 00 3.8 & subparagraphs.

47. Given the additional site visit scheduled for 1/16/25, will the RFI submission deadline be extended to accommodate further question?

a. Response: See solicitation details for updates.

48. Are there asbestos reports available?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

49. What is the nature of the asbestos to be allowed for in the unit price schedule

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

50. What is the flashing and trims material to be? Aluminum or steel?

a. Response: Refer to section 07 60 00, material is typically aluminum.

51. Can the Govt provide details of the location of fencing and accesses to be provided?

a. Response: Contractor to provide specification or drawing reference to clarify question.

i. Follow up question: For bidding purposes, can the govt be more specific with regards to the fencing? Drawings indicating the area(s) to be fenced would be helpful. This would allow offerors to bid on an equal basis.

1. Response: “Include fencing as stated in Specification Section 010000 H and as required to protect all material laydown areas and equipment in the base bid. Exact location of fencing will be coordinated with the awarded Contractor and Owner to ensure safety in accordance with the VA’s standards.”

52. Can the Govt provide details of the location of any covered walkways required?

a. Response: Contractor to provide specification or drawing reference to clarify question.

53. How many security guards will be required? What hours?

a. Response: Guards are not required.

54. Is video monitoring of the site required?

a. Response: Government does not require video monitoring.

55. Can locations details of the laydown and staging areas be provided?

a. Response: Typical storage areas are behind Building 12 or 62. Staging and storage locations will be coordinated with COR.

i. Follow up question: Would the VA please provide a site map with the various buildings identified?

1. This is required to enable us to determine:

2. how far materials will need to be transported to each roof

3. a traffic control plan and manpower required

4. Will we be allowed to stage materials on the roofs

ii. Response: See response to Question 4.

56. Does the Govt require stair scaffolds for roof access?

a. Response: Government to make access through the building available for contractor employees during work hours as described in SOW.

i. Follow up question: Does this apply to both buildings? Will protection need to be provided for damaged due to construction traffic?

ii. Response: Yes. Contractor will be responsible for any damage. See design documents for details.

57. The instructions to bidders do not make specific reference to the Unit Price Schedule in the specifications Is the unit price schedule for deck repair, asbestos abatement, etc to be submitted with the bid?

a. Response: Yes

58. What percentage of wood blocking should be included in the bid?

a. Response: Refer to Specification section 01 22 13 and section 01 00 00 paragraph C3 “Unit Price Schedule”.

59. Bldg 4 – what is the anticipated schedule for completion of earthwork around the foundations. What is the expected status by the time reroofing work starts?

a. Response: Earthwork should be completed before this project starts.

60. Is raising/ relocation of the gas pipeline included in this contract?

a. Response: See Addenda 1. Raising gas lines and replacement of condensation lines is included in the contract.

61. May we substitute a GAF Timberline HDZ shingle for the GAF Cool Series? GAF Cool Series shingles have been discontinued.

a. Response: Yes, Contractor is responsible for meeting specified warranty requirements.

62. I cannot get a 20yr NDL warranty with 1x6 T&G decking. May we install new sheathing over the T&G on the low slope areas on building 4?

a. Response: Contractor is responsible for providing warranty. Shingle manufacturers have provided confirmations that both the batt insulation and the tongue and groove deck will not affect the warranty.

63. The Specs are calling for a CB18 fall protection anchor on building 4 and the drawings are calling for a CB12. Which one do we need to price?

a. Response: CB-12

64. We are seeing that the slope “varies by location” on the light weight concrete deck on building 90. Will this fight against the new 1/8” tapered system in some areas or how does the VA want to address this possible issue?

a. Response: Provide pricing in accordance with AS-104. Contractor shall report potential issues with the taper system as designed throughout construction. Contractor will be responsible for preventing ponding based on field conditions uncovered during tear off. Variations in the design shall require approval prior to installation.

i. Follow up question: Please confirm that issues which result in a change in design and/or scope will be subject to a change order for costs and/or time

ii. Response: Contractor shall provide documentation proving that hidden and unknowable conditions require deviations from the design documents. Changes in scope shall be approved prior to performing the alternate work.

65. Will we have access to be able to put scaffolding all around Building 4 since part of that area is currently fenced off for another project?

a. Response: Project around the exterior of Building 4 should be completed before this project starts.

66. Can the government please provide further clarification on "fascia board and wood blocking" and/or confirm that this does not refer to rafters in any way.

a. Response: Refer to details.

67. On roof 4e, Is it the governments intention to install the roof system in place of where the existing window system is located if it is removed and disposed of?

a. Response: Refer to Note 8 Sheet AS-101

68. If new gutters and downspouts are required for Bldg. 4 or if we can reinstall the existing if they are in good working condition?

a. Response: New is required.

69. If we are required to hold a state license to not only bid but perform the job for bldgs 4,15,90 and 93.

a. Response: Yes. FAR 52.236-7 Permits and Responsibilities: This clause stipulates that the Contractor shall, without additional expense to the Government, be responsible for obtaining any necessary licenses and permits, and for complying with any Federal, State, and municipal laws, codes, and regulations applicable to the performance of the work

70. There are 2 different amounts listed in the specs. Can you please confirm what the correct bid guarantee amount should be? I have attached the 2 pages that contain the conflicting information. Page 17 shows the typical guarantee of 20% not to exceed $3,000,000 but Page 23 shows 20% not to exceed $424,400.

a. Response: To be corrected and uploaded with amendment

71. Can the Superintendent also be the Prime Contractor’s Commissioning Manager during commissioning?

a. Response: Yes.

72. Is any commissioning required on this project?

a. Response: No.

73. Is a full-time on-site quality control manager required for this project?

a. Response: See response to RFI 74.

74. Can the Project Manager also be the quality control manager?

a. Response: Yes.

75. Is a full-time on-site Safety and Health Officer required for this project?

a. Response: See response to RFI 76.

76. Can the Superintendent also be the site safety and Health Officer?

a. Response: Yes.

77. As is typical for most VA projects can the QC plan be implemented by the onsite superintendent and administrated by the PM without additional staff (other than what is required for commissioning) as call for in 01 45 00.?

a. Response: Yes.

78. Will any of this work have to be performed after hours or weekends.

a. Response: Contractor to account for afterhours and weekend work.

79. Will this project be done in phases?

a. Response: See specification section 01 00 00 1.6.F.2

80. Will each phase have to be fully completed before moving to the next or can some phases be completed simultaneously?

a. Response: Phases can be completed simultaneously. As stated in design documents the building shall be watertight at the end of each days construction and when inclement weather threatens.

81. How many areas/roofs will we be given at a time?

a. Response: Roof/areas can be worked simultaneously. See roof demolition notes on GI-003.

82. Will there be any interior work that requires ICRA containment?

a. Response: Yes. ICRA class IV for any interior work in Building 4 Pathology lab.

83. Will we have to test and balance any of the HVAC systems after the work is complete?

a. Response: No

84. Are any of the existing roofs still under warranty?

a. Response: Information is not available at this time.

85. Please provide the name of what subcontractor installed the existing roofs.

a. Response: Information is not available at this time.

86. Please provide the name of the mechanical subcontractor that installed the existing roof top units?

a. Response: Information is not available at this time.

87. Please provide the name of what electrical subcontractor installed the existing lightning protection system?

a. Response: Information is not available at this time.

88. Please provide the name of what electrical subcontractor installed the existing Solar Panel system?

a. Response: No solar panel work is included in this project.

89. Please provide a contact for who services the current HVAC Controls?

a. Response: Johnson Controls and Siemens depending on location.

90. No Electrical or Lightning Protection Specifications is included. Is there one available to remove and certify the reinstallation?

a. Response: Provide certification in accordance with UL96 and UL96A for all components and the installation.

91. No HVAC Specification included can you make this available?

a. Response: Mechanical work is outside the scope of contract. Disconnects and reconnects may be required for raising units.

92. Is there an asbestos report available or are we to base our pricing on what is in the specification?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

93. Since we are not to alter the new gutters at Building 4, are we not to inspect the facia in this area?

a. Response: provide visual inspection of accessible fascia. Report any deficiencies that are not accessible for replacement.

94. Is there a quantity of structural deck that should be included in the estimate or, if deck is to be replaced; will a change order be authorized?

a. Response: Refer to Specification section 01 22 13, Unit Prices and Allowances.

95. The drawings only show roof work on Building 4 and Building 90, is there any work on buildings 15 and 93?

a. Response: Refer to Specification section 01 11 00 paragraph 1.1 1.

96. Is there any chance of uncovering hazardous materials?

a. Response: See attached Asbestos Testing Report. No ACM were detected in the roofing of buildings 4 or 90.

97. Will the contractor be responsible for any permits?

a. Response: Yes, as described in the design documents or required by CAVHCS (ex. hot work permit).

98. What is the height of the roofs from the ground?

a. Response: Refer to GI-002, Component and Cladding. Contractor is responsible for field verification.

99. When painting equipment, louvers and vents on the roof, what type of paint will be required?

a. Response: Refer to Specification section 09 91 00 Painting.

100. Please clarify if the proposal is supposed to be TAB A, TAB B, and TAB C as shown on sheets 8-9 of solicitation or if it is supposed to be Factor 1 and Factor 2 as shown on sheets 10-12 of the solicitation?

a. TAB A, TAB B, and TAB C should be used as proposal format

101. Will there be any shedding and netting required that is not shown?

a. Response: Contractor to provide specification section or drawing number reference to clarify question.

102. Please provide a drawing of where the trash chutes can be placed around the building?

a. Response: Trash chutes shall not be placed on public facing side of building. Coordinate location with COR prior.

103. Are we only allowed to remove as much roof as we can replace in one day?

a. Response: See roof demolition notes on GI-003.

104. Note 10 on sheet AD101 and Note 1 on sheet AS101 states to remove and replace batt insulation that is hanging or damaged, it is impossible to know how much of the insulation will need to be replaced, should the contractor assume all of it will have to be replaced for bidding purposes? If all of it doesn’t have to be replaced then please provide a square foot quantity for the bidders to assume has to be replaced for all bids to be equal?

a. Response: Replace all batt insulation.

105. How old are the existing roofs?

a. Response: Information is not available at this time.

106. Who is responsible for paying/performing the lightning protection system inspection, the contractor or the VA?

a. Response: Contractor image5.emf

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SRC_MobileRail_SpecSheet.pdf

SRC360 Mobile Rail The SRC 360 Mobile Safety Rail system is an OSHA compliant, passive fall-protection system that installs without tools, welding, drilling, or roof membrane penetration.

Our unique design approach places cast iron bases around workplace safety hazards, creating a ballasted support stand in which steel guardrails are secured.

Applications The SRC 360 Mobile Safety Rail system is designed especially for flat, membrane roof tops requiring OSHA-compliant fall protection or barrier guarding.

Commonly used in industrial, commercial and work-site/construction environments as a permanent or temporary protection solution.

SAFETYRAILCOMPANY.COM | THE SAFEST | 4244 Shoreline Drive, Spring Park, Minnesota 55384

All rail segments along leading edge must begin and end with a 5′ (152cm) return rail with base Designed for flat and low-sloped roofs, up to a 1:12 roof pitch Additional SRC product options available for steep-sloped roofs 18″ offset from leading edge with no parapet wall

Minimum Requirements

Features Non-penetrating system Modular design for infinite configurations No tools, welding or drilling required for installation Standard Finish Options: Powder Coat & Galvanized No intermediate counter weights required American Welding Society Certified

(AWS D1.1 & D1.3)

100% Made in USA

SAFETYRAILCOMPANY.COM | THE SAFEST | 4244 Shoreline Drive, Spring Park, Minnesota 55384

SRC360 Mobile Rail PRODUCT SPECIFICATIONS

2′ 3′ 4′ 5′ 6′ 7′ 7.5′ 8′ 9′ 10′

21″

42″

*Assembled Height

Interlocking Pin System Finish Options

Safety Yellow Galvanized Custom Colors

Length Options

Dimensions & Length Options

Designed in accordance with OSHA Standards (29 CFR 1910.29 and CFR 1926.502) and CalOSHA Title 9, Chapter 4, Article 19, 3212

Tested for 200 lb (90.7kg) force in any direction

Assembled height: 42″ (107cm) top rail, 21″ (53cm) mid rail

Mounting base weight: 104 lbs (45.8kg)/ea

Railing tube 1 5/8″ (41mm) O.D. hot rolled, pickled and oiled (HRPO)

Positive locking pin system

EPDM base pads come pre-installed on all bases

100% Made in USA

American Welding Society Certified (AWS D1.1 & D1.3)

SRC Safety Pins: 1010 carbon steel and zinc plated

Product Specifications

Safety Rail Co. provided project specific product install plan available

No tools, welding or drilling required

Single person installation

Mobile, multi-location capability

Complete installation guidelines available electronically and included with each shipment

Compliant with OSHA standards for guardrails: (29 CFR 1910.29 & 29 CFR 1926.502)

Compliant with Cal-OSHA standards: (Title 9, 1620)

Independently tested by a nationally accredited engineering lab

– documentation available upon request

Installation

Compliance

22″