Amend 1 140F0520R0023 Questions and Answers as of Sept 1_0001.pdf

Questions and Answers as of Sept 1, 2020, Solicitation 140F0520R0023 Boardwalk, overlook and platform replacement, Back Bay NWR, VA

1.- Outside dimension of curb section at 6;-0" and outside dimension of railing section 6'-3". please confirm. Construct all boardwalk sections with clear width of 6 feet. Details are left to the contractor.

2.- Curb section 2 x 4 curb shown uprite at 3-1/2" high. confirm. Curbing should be installed flat, not upright, and with a spacer underneath for drainage.

3.- 2 x 6 decks overhang framing 3-1/2" each side. Confirm. Same as #1 above

4.- Railing design shown on plans is NOT ADA compliant. Spec calls for ADA compliant.

Do you want the contractor to design it or the project engineer? Railing is required for the ramp section and overlook/platforms only - contractor is to follow ADA guidelines.

5.- Drawing shows 5 ea. 2 x 6 joists at 17-1/4" on center with a note that says 16" max on center. Do you want to add a sixth 2 x 6 joist to comply with the max 16" OC note?

Design with five joists, equally spaced.

6.- Is there an overall layout boardwalk plan with dimensions and angles available? No, contractor should design.