Greenbrier_Package_6_QA.pdf

Q & A for Hankins and Blankenship Sites, Greenbrier County

Solicitation 12SPEC18B0006

01/04/18

1. Q. Will the rebar anchoring be required for the sites?

A. The anchoring will be required anywhere the foundation can’t be excavated two feet below the existing streambed. Bids should be submitted based on the estimated quantities in the bid schedule- an unbalanced bid- when the price of one or more contract line items is significantly over or understated- can be cause for rejection.

2. Q. How many rows of rebar would be required if the rebar anchoring is used?

A. Three rows of rebar would be required for the gabion walls.

3. Q. Do the counterforts ever require the rebar anchoring?

A. The counterforts do not require the rebar anchoring.

4. Q. Will the riprap foundation protection be used on these sites?

A. The need for the riprap foundation protection will be determined when the foundation is excavated. Bids should be submitted based on the estimated quantities in the bid schedule-an unbalanced bid- when the price of one or more contract line items is significantly over or understated- can be cause for rejection.

5. Q. Will the gabion basket locations be staked in the field?

A. The gabion basket locations will be staked in the field. There will also be an inspector on site at all times.

6. Q. Will fill be placed on top of the gabion baskets?

A. Geotextile will be folded over the top of the gabion baskets and fill will be place on top of the gabion baskets whenever the top of the baskets are a foot or more below the top of the bank.

7. Q. Do any permits need to be obtained for construction?

A. All stream permits have been obtained to complete the work. Any other permits such as for burning is the contractor’s responsibility.

8. Q. Can equipment be operated in the creek?

A. Equipment can operated in the creek, but tracking through the water shall be minimized as much as possible. A berm should be made to track on when possible.

9. Q. Are there any utilities in the work area?

A. The contractor is responsible for contacting Miss Utility and locating all of the lines and utilities in the work area.

10. Q. What will be done with pipes encountered in the stream bank?

A. Any pipes encountered will have to be extended through or over the Gabions to the creek with equal or better pipe material than the existing.

11. Q. What will happen with excess material left over at sites?

A. The excess material will have to be hauled offsite and disposed at an approved waste area at the contractor’s expense.

12. Q. Can hog rings be used to construct the baskets?

A. The baskets must be constructed using lacing wire. Be sure to read Construction

Specifications 64, Wire-Mesh Gabion Baskets and review the drawings.

13. Q. How much time is allowed for mobilizing between sites?

A. The performance time of 30 days includes the time between the start date, which is the notice to proceed and all the way through completion of the work and site cleanup. There is no additional time given above the 30 days.

14. Q. When is the construction expected to be started?

A. The work needs to be completed by the end of February. The contractor will be expected to start work soon after the contract is awarded.

15. Q. Are the contractors responsible for seeding failure if the seeding is completed according to specifications?

A. No

16. Q. Where is the access located at the Hankins site?

A. The access is shown coming in front of and around the downstream side of the house. The land owner was contacted and she said that the septic system is located on the downstream end of the house. The location of the septic system will have to be determined to determine the access. The contractor is ultimately responsible for locating all lines and utilities to avoid damaging them.

17. Q. Where will the material come from to fill the scour hole at Hankins?

A. The material will come from onsite.

18. Q. Do you have an address for the sites?

A. Hankins: 3092 Anjean Rd. Rupert, WV 25984, Blankenship: from google maps 6544 Cordova Rd. Renick, WV 24966

19. Q. Where is the access at the Blankenship site?

A. The access is shown between the two buildings in the drawings. The contractor is responsible for locating all lines and utilities to avoid damaging them. Accesses can possibly be obtained in other areas by contacting the proper landowner.

20. Q. Are the trees going to have to be removed to install the baskets at the Blankenship site?

A. Yes, the trees and the stumps have to be removed and properly disposed of.

21. Q. How close to the upstream building corner at the Blankenship site are the baskets going to be installed?

A. The baskets will be installed to maintain the minimum stream width. We can change the typical section of the gabion wall next to the building corner if needed to facilitate their installation.

22. Q. Does the NRCS have any asbuilt drawings for the building next to the planned gabions at Blankenship?

A. No