Q_A_from__Site_Showing.pdf

Questions and Answers Solicitation 12SPEC18Q0004

EWP- Streambank Stabilization – Cochran Site, Summers County, WV

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

A. The anchoring will be required anywhere the foundation can’t be excavated two feet below the existing streambed. The bedrock appears to be visible at the upstream end of the site.

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 are required where rebar anchoring is used?

A. Three rows of rebar are required.

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 this site?

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. Is the gabion basket location going to be staked in the field?

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

6. Q. Where will the front of the gabion wall be placed relative to the creek?

A. A minimum thirty feet stream width is required. The thirty feet is measure from the stream edge on the opposite side of the creek to the front face of the baskets on the bottom row.

7. Q. How much of the gravel bar will have to be removed?

A. The limits of the gravel bar removal extend along the length of the planned gabion wall to about twenty feet downstream of the end of the wall. The final channel shape is approximated on sheet 10 of the drawings.

8. Q. Will any of the gravel bar have to be hauled offsite?

A. Any material that can’t be used onsite will have to be wasted at an approved waste area offsite. The contractor is responsible for finding a waste area.

9. Q. Can the site be accessed from across the creek?

A. The contractor can obtain an alternate access than the one shown on the drawings, but must honor the terms of any agreements made.

10. 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.

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

A. All permits have been obtained to complete the work.

12. 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.

13. Q. What will be done with pipes encountered in the stream bank where the proposed wall is located?

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

14. Q. Will any of the large rock onsite have to be hauled offsite?

A. Any of the large rocks onsite in the work limits can be used in the fill when reshaping the streambank immediately upstream and downstream of the gabion wall.