Questions and Answers.pdf

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Attached to
Construct Base Sidewalks Federal contract opportunity
Solicitation number
W50S8Q-23-R-0003
Issued by
Department of the Army National Guard

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1) Does OHANG Require a signed engineer design for ADA ramps or do we build to given design (Ref Drawing 3 Detail 2‐Sidewalk Access ramps)

A1.) Build to given design (Drawing #3 Detail #2)

2) Is contractor responsible for security fence opening/moving jersey barrier and terminations for opening IOT install 50’ NEW SIDEWALK located outside of BLDG 144 (Ref: Attachment 2‐

10E‐Drawing 4‐culvert Bldg.144)

A2.) The Green marks on Drawing #4 only represent customer walking path. There are no sidewalks to be put in. The Contractor shall install a culvert, dirt and grass seed as indicated in the SOW and drawings. (SEE Drawing #4)

3) What size of re‐bar is required? (Ref: Drawing 1‐Sidewalk Detail)

A3.) Per note 14 it shall be 4”x4” wire mesh 10 gauge.

4) Can fiberglass rebar be substituted for this project?

A4.) No

5) Is there a predetermined laydown area for equipment storage?

A5.) yes, a laydown will be provided to winning contractor.

6) Attachment #2, Spec Section 02 521‐4, Sec. 3.4 B Sidewalk Construction calls for 4” thick in walk areas. In SOW sec. 3.2.16 mentions 6” thick walk. Please confirm what the walk thickness is to be.

A6.) The concrete sidewalk shall be 6” Thick minimum.

7) In the SOW sec. 3.2.14 mentions to seal concrete with slip resistant seal. Is this referring to the curing compound in attachment #2 spec sec.03 301‐4, sec. C‐1.

A7.) No, slip resistant seal needed because of broom finish.

8) Please confirm size of new culvert pipe under sidewalk between building 118 and 156.

A8.) 12” Culvert polyethylene ASTM n12 dual wall pipe.

9) Drawing 1‐Sidewalk Detail #14 shows 4x4 W‐1 mesh. The SOW does not mention wire mesh.

A.9) yes, wire mesh is to be installed in sidewalks. (Also see answer # 3.)

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