Attachment_5_-_Amendment_2_Questions_and_Answers_0002.docx

QUESTIONS and ANSWERS Solicitation 140P3021Q0034 for the Buckeye Building Roof Replacement

NOTE: Amendment changes to the solicitation have been highlighted in yellow.

1. Per section C.4 it states, “Contractor must have adequate liability insurance and proper license(s) to perform all work stated herein.” Are contractors required to be licensed in Washington D.C. or can they be licensed in any State?

Answer: License can be from any state. See C.4

2. Under section C.9 if personnel are fully vaccinated could the restriction for COVID-19 be lessened?

Answer: Follow the guidelines that are in place at the time of the work being performed. As of right now there is no mask mandate in place. See C.9.

3. Under Part IV, Section K, 52.204-8 Annual Representations and Certifications. (MAR 2020), (b), will Paragraph (d) apply?

Answer: Yes, paragraph d applies.

4. SOW, L. states a 10-year workmanship and 20-year material warranty. Are these both references to a manufacturer’s warranty for the roofing assembly? If so, is this to be a NDL (No Dollar Limit) warranty?

Answer: 20-year manufacturer shall be NDL, 10 year shall cover all labor costs if roof fails during coverage period. See C.4.

5. SOW, it is noted that TPO or EPDM are two options for a single ply membrane. Would PVC be an acceptable option if it follows the same requirements for TPO?

Answer: PVC would be acceptable if it meets all requirements of SOW.

6. SOW, it is noted to install two (2) layers of polyiso insulation. What thickness are each layer to be or what overall depth of insulation are we to achieve?

Answer: insulation layers shall be a minimum of 2” each. BID option shall have a minimum R value of 36 for Polyiso. See Section B.

7. SOW, typical polyiso insulation assemblies will include a ½” coverboard over the insulation. This rigid coverboard protects the insulation from foot traffic damage in the future. As this would most likely be a manufacturer requirement for a warranty, should this be included in our proposal?

Answer: Minimum requirements to meet warranty shall be included in proposal, minimum requirements in SOW for protection from foot traffic is from access point to, and around the roof top units. Contractor to verify what is minimum is to meet manufacturer warranty. See C.2.

8. Can you please provide the existing building drawings?

Answer: No, we do not have existing drawings available.

9. Did not see in the scope of services about the rain stop over the gutters. Can you confirm that this is part of the scope?

Answer: Rain stop over gutters is required. C.4.

10. If the rain stops are part of the scope, are they to be installed around the entire perimeter of the roof or just above where the sidewalks are located?

Answer: Rain stops shall be installed along the bottom length of the slope on both sides to direct rainwater runoff into gutter system. See C.4.

11. Will storage for material be provided by the government?

Answer: Storage of materials needed for project can be arranged after award and is not guaranteed to be next to building. Bulk storage may be located any where within the East Potomac Park, and will be coordinated through COR after award. See C.4.

12. Is water and electricity available?

Answer: only the water and electricity that are available on the exterior of the building may be used. No guarantee that utilities on site are usable or sufficient, utilities are the sole responsibility of the contractor. See C.14.

13. On p22 -The contractor shall be required to (c) complete the entire work ready for use no later than ninety (12) days from notice to proceed. Please clarify if it is 90 or 120 days.

Answer: Typo has been corrected and will now state in amendment 1 that “Complete the entire work ready for use not later than one hundred and twenty (120) days from Notice to Proceed. The time stated for completion shall include final cleanup of the premises.” See FAR Clause 52.211-10.

14. Please confirm the date and time of submission 13 July 1200hrs.

Answer: Quotes are due by 13 July 2021 @ 1200 hours ET to craig_madison@nps.gov.

15. There is a water splash attached to the gutter along the side entrance, do we need to install a new water splash in kind?

Answer: See questions 9 and 10. Do not need to be in kind, only color matching to gutter system.

16. We have discussed not modifying the existing dunnage to eliminate some of the roof penetrations. We can eliminate the penetrations not attached to the dunnage and roof over. Will these be acceptable?

Answer: Removing all penetrations not attached or needed for the rooftop unit, including the abandoned ductwork, is acceptable.

17. The base bid specifies the removal of the existing standing seam roof system and installing new metal deck with insulation and single ply membrane. Has the owner done any engineering calculations to see if the existing structure will handle the extra live load being installed? If there is such an engineering report can we get a copy of it?

Answer: There is not an engineering report for this project.

18. Do we have to provide interior protection in our base bid?

Answer: Interior shall be protected from weather and pests during project and shall be included in bid. See C.4.

19. The work scope calls out to clean only the existing gutter system. When cleaning the debris off the gutter and we discovered rust, do we change the gutter and down spouts at a unit cost?

Answer: Gutter replacement is not part of the base bid, only cleaning existing.