Kowski_roof_bid_questions_final_0002.docx

1. The scope of work doesn’t ask for heat tape in the gutters. Should we include heat tape for gutters in our proposal? Highly recommended. This would prevent gutters and downspouts from being damaged from the weight of the snow and ice.

Remove existing heat tape and reinstall when new gutters and downspouts are installed

2. Scope of work says sheeting & Carpentry repairs as needed. For fair and competitive bidding purposes will the NPS suggest a square footage?

320 square feet

3. At the site visit it was mentioned to install snow boards to divert snow at the front and rear entrance of the building. This was not identified in the SOW. Please confirm.

Page 15, 4.1 Existing Conditions, 4.1.1 Existing Site description. Install Snow boards at entry/exit points to mitigate the snow slide hazards

4. Should proposal be submitted to Deborah Cimmer or Krystal Bourlier? Deborah is the contracting officer on the project but section L B.2 of the solicitation says to email proposals to krystal_bourlier@nps.gov.

The bids are to be sent to Deborah_cimmer@nps.gov

5. Are we going to need a water diverter on the north side of the building behind the antenna and behind curbs?

No

6. Can we submit Carlisle Syntec PVC membrane roofing?

Contractor can submit any manufactured product.

7. Is a cover board required?

Yes

8. Is there going to be 2 layers of insulation?

SOW pg1 states insulate roof with R20 or greater. Insulation layers shall meet that requirement.

9. Is the membrane fully adhered or mechanically attached?

Mechanically

10. Any other alternatives to the ISO R20 insulation, supply chain issue and Non available until Feb/March timeframe Northern AZ temperatures do drop to -20 degrees in the winter. Albright Training Center is at 7000-foot elevation. R-Value may be adjusted to withstand the colder temperatures.

11. Contractors concerned about period of performance due to material delays and short window between monsoon season and nightly frost which effects the glue.

Period of Performance can be adjusted to do supply issues.

12. Sonofil is the manufacturer of the existing roof material, do we have to use that, or equal or better manufacturer? Again, could cause delays if we specify one company.

Contractor can submit any manufactured product.

13. Replace any facia board as needed?

Yes

14. Heat tape needs to be re-installed in new gutters See #1 above

15. Do we want any more snowboards at other roof penetrations ?

No

16. What color is the membrane?

Tan

17. Asked we clarify how much plywood to replace or not to exceed for bidding purposes.

320 square feet

18. There are two different colors and sizes of drip edge, some of the roof is tan and some is brown. clarify for color and conformity.

Drip edge color should be Brown. Roof membrane color should be tan.

19. Existing lightning protection to be re-installed and tested / certified. One of the contractors brought up lightning protection services as the contractor to do that in this area.

If bidding contractor is unable to test and certify, this must be sub-contracted out.

20. Can you please confirm the set-aside?

The initial intent was women-owned but have discovered that SBA is behind in certifying such business and contractors can no longer self-certify. This situation has resulted in protests and other issues, so the set-aside was changed to small business.

21. Can the bid bonds and past performance documentation be provided with the proposal?

Yes