Questions and Answers 7.pdf

Solicitation # W50S9F22R0006 Posted to SAM.Gov 21 Mar 22

Questions & Responses #7

Question Response

1.

Please provide specifications section for the waterproofing and drainage board shown on detail D1/A400.

Contract documents have been updated to provide requirements for bentonite waterproofing. This has been updated as part of Addendum No. 03, dated 12 May 2022.

Please see Addendum No. 03 Specifications, Section 07 17 00.

2.

Page 5, Standard 12 of the Antiterrorism Report found in the reference docs specifies that the exterior doors are to exceed the requirements of the 2018 ATFP standards. The 2018 AFTP document requires that the doors comply with UFC 4-010-01 from the DoD manual. In the newest version of the UFC 4-010-01, the appendix lists ASTM 2927 which is the "Standard Test Method for Door Systems Subject to Airblast Loadings".

There are multiple levels of protection for blast resistant openings.

The doors need one of the following levels of protection: High, Medium, Low, or Very Low. Please confirm levels for the doors.L3

Per Appendix B of UFC 4-010-01 (12 December 2018; Change 1, 19 August 2020), the contents in Appendix B are not required (UFC 4-010-01, Paragraph B-1 INTRODUCTION, p.

39). As such, requirements and standards noted in this Appendix are not applicable to the project unless specifically requested by the Contracting Office as noted in the reference document referenced in the bid question (Volume 2 - Antiterrorism Report). UFC 4-010-01, Paragraph 3-13 STANDARD 12. EXTERIOR DOORS (p. 26) provides AT/FP requirements for exterior doors, and for glazing in and around exterior doors with reference to Standard 10 for such glazing (Paragraph 3-13.2). UFC 4-010-01, Paragraph 3-11 STANDARD 10. GLAZING (pp. 24-25) states that "[g]lazing that is in compliance with this standard is not required to be designed or constructed for blast resistance" and provides prescriptive provisions for exterior glazing for existing buildings. The exterior doors and glazing in the exterior doors provided in the contract documents meet the requirements of, and the prescriptive provisions for exterior glazing included in, UFC 4-010-01.

Solicitation # W50S9F22R0006 Posted to SAM.Gov 21 Mar 22

Questions & Responses #7

3.

Also please confirm the following information.

In the above chart, either the left or the right column needs to be filled out completely. If the architect doesn't have the charge weight and standoff then they need to have the peak applied pressure with the duration or the impulse. The peak applied pressure is measured in PSI and the duration is measured in milliseconds.

Per Appendix B of UFC 4-010-01 (12 December 2018; Change 1, 19 August 2020), the contents in Appendix B are not required (UFC 4-010-01, Paragraph B-1 INTRODUCTION, p.

39). As such, requirements and standards noted in this Appendix are not applicable to the project unless specifically requested by the Contracting Office as noted in the reference document referenced in the bid question (Volume 2 - Antiterrorism Report). UFC 4-010-01, Paragraph 3-13 STANDARD 12. EXTERIOR DOORS (p. 26) provides AT/FP requirements for exterior doors, and for glazing in and around exterior doors with reference to Standard 10 for such glazing (Paragraph 3-13.2). UFC 4-010-01, Paragraph 3-11 STANDARD 10. GLAZING (pp. 24-25) states that "[g]lazing that is in compliance with this standard is not required to be designed or constructed for blast resistance" and provides prescriptive provisions for exterior glazing for existing buildings. The exterior doors and glazing in the exterior doors provided in the contract documents meet the requirements of, and the prescriptive provisions for exterior glazing included in, UFC 4-010-01.