QA-Greenbrier.pdf

Solicitation AG-SPEC-S-16-0010

EWP- Stream Bank Stabilization

Wades Creek Sites 1, 2, and 3 - Greenbrier County, West Virginia

1. Q. Is there a weight limit on Crizer Street?

A. There is no weight limit on Crizer Street according to the City of White Sulphur Springs.

2. Q. Should the cost for moving the small building at site 1 be included in the quote?

A. The cost of moving the building should only be included in the quote if the contractor thinks it is necessary to move and reinstall the building.

3. Q. Can site 1 be accessed from the opposite side of the Creek?

A. The land rights have been obtained to enter site 1 from either side of the creek.

4. Q. Does the riprap go to the top of the bank on site 1?

A. The riprap height varies from a minimum of 4ft to a maximum of 6ft. This does not take the riprap to the top of the bank for most of its length.

5. Q. Where does the riprap and the gabions start and end at the sites?

A. The exact limits of the work will be marked in the field prior to the start of construction.

6. Q. Will any disturbed areas have to be seeded?

A. All disturbed areas will have to be seeded and mulched as noted in Construction Specification 6, Seeding & Mulching.

7. Q. Will the gabions being removed be replaced with gabions.

A. No, the gabions that are removed will be replaced with loose rock riprap.

8. Q. How much of the existing gabions will be left in place?

A. Approximately 35’. The NRCS will mark the location of the gabion removal limits before commencement of work.

9. Q. Will there be any riprap placed in front of the existing gabions that are going to be left in place?

A. There may be some rock placed in front of the baskets during construction if it appears there is a need.

There will be an established price per ton of riprap in the contract at that point.

10. Q. Can we use the gabion stone from the existing wall to be removed?

A. Yes, the contractor may reuse the rock in the planned gabion wall, but it must be free of dirt and wire.

11. Q. Is there a waste area that may be used to dispose of the woody debris?

A. A waste area must be identified by the contractor and approved by an NRCS representative.

12. Q. Do we have to move the building on site 3?

A. Include the price of moving and reinstalling the building in your quote.

13. Q. Is there riprap or gabion on site 3?

A. There are riprap and gabions on site 3. Refer to the drawings to see the typical sections.

14. Q. Are there any septic tanks, lines, or other utilities we have to watch for in the access to site 3?

A. None have been identified but the contractor must confirm the existence or nonexistence of any.

15. Q. Have the utilities been identified for all of the sites?

A. The contractor must contact Miss Utility for the all of the sites and confirm the location of any utilities.

16. Q. For Site 1, will trees have to be removed?

A. Smaller trees and any roots encountered on the slope shall be removed and disposed of. Larger trees on the bank shall be left and the riprap shall be worked around the base as approved by the inspector.

17. Q. What is the required gradation for the loose rock riprap?

A. The riprap shall be well graded between 9” and 28”. The D50 of the rock is 18”.