S05 RFI Questions Solicitation 36C10D23R0007 Replacement of Membrane in Building 47 on roof top.docx

RFI Questions Solicitation # 36C10D23R0007 Replacement of Membrane in Building 47 on roof top

1.) In the solicitation it calls for Payment, Performance, and Bid Bond requirements. Under section 2.7 52.228-1 BID GUARANTEE subsection 2(c) the requirements are blank. Is a bid bond required for this solicitation?

ANSWER: YES

2.) The SOW for this solicitation states to replace the existing roof membrane. At the site visit it was discussed that this would be a roof overlay. Please confirm that this is not a total tear off and put back, but an overlay of the existing roof.

ANSWER: Overlay

3.) The SOW states in multiple areas that this is a design-build solicitation. What are the guidelines/objective of the design process? Can the roof manufacturer’s engineered system with shop drawings be acceptable for the design?

ANSWER: No, this is NOT a design-build solicitation but Yes, Manufacturers Engineered system with shop drawings will be needed.

4.) In the SOW the new roofing material is listed as TPO in one line item and EPDM in another. Please confirm that you are looking for a 60-mil TPO overlay, mechanically fastened and not the EPDM.

ANSWER: : EPDM

Ethylene propylene diene monomer, or EPDM, is a type of synthetic rubber that is commonly used across many industries.

5.) There was nothing in the SOW about requirements for lightning protection for the roofing system. Is the requirements for this to be remove and put back of existing devices with recertification and tie back into the down conductor? Or is this to be a total replacement?

ANSWER: Remove, Put back, recertify

6.) The new roof system you want is TPO 60 mil? The warranty that you want for this project is 20 years roof system?

ANSWER: EPDM

Ethylene propylene diene monomer, or EPDM, is a type of synthetic rubber that is commonly used across many industries.

7.) After examining the roof during the site visit, we saw that the existing roof system has a walk pad. Do you want us to install a new walk pad with the new TPO roof system again?

ANSWER: install a new walk pad with the new TPO roof system

8.) At the site inspection, the metal edge around the roof was evident. Should a new metal roof edge be installed? Will this new roof edge be fabricated in aluminum or galvanized metal?

ANSWER: Yes Galvanized

9.) Is the existing roof substrate metal deck? What is the gauge?

ANSWER: 20 Gauge

10.) The Statement of Work (SOW) is to install the new system over the existing (re-roofing), not remove the existing system.

ANSWER: Yes, install the new system over the existing (re-roofing)

11.) During the Site Visit it was stated that this project shall consist of a TPO membrane Overlay. The contract documents call for a complete tear off and replacement of the roof. Please confirm the scope of work is for a complete tear off and replacement of the roof indicated.

ANSWER: NO, see answer #2

12.) 2.15 Submission requirements, Paragraph C, ii, a:” Offerors are required to explain what aspects of each contract is deemed relevant to the complexity and magnitude as related to the requirements of this solicitation and in accordance with Section M”. What/where is Section M?

ANSWER: Eliminate this Paragraph, there is no section “M”/

13.) SOW, Paragraph 3: The SOW calls out TPO, Liquid membrane and .060 EPDM as the required new roofing. Which one of these are you looking for?

ANSWER: EPDM

Ethylene propylene diene monomer, or EPDM, is a type of synthetic rubber that is commonly used across many industries.

14.) Is there a specification for this project with all the roofing requirements, i.e., insulation, wind codes, uplift pressures, color of roof, insulation thickness, etc.?

ANSWER:

American National Standards Institute

ANSI/5 PRI ES-1-03 ANSI/SEI- 7-10

15.) Is there a lightning protection system on the building?

ANSWER: YES

16.) If there is a lightning protection system on the building, what are we doing with it?

ANSWER: : Remove, Put back, recertify

17.) Where will we be allowed to set up a crane/laydown area?

ANSWER: North side of the building. I already showed all contractors at site visit the crane/laydown area

18.) Are there any work restrictions such as noise/hoisting hours, ect.?

ANSWER: NO

19.) Have there been any roof cores taken to tell us what the existing roof system is that is being removed?

ANSWER: No removal of roof.system.

20.) Are there any hazardous materials being removed?

ANSWER: No hazardous materials being removed