Q As.pdf

04/08/2016 Questions & Answers

AG‐9AB5‐S‐16‐0015

Crab Creek Bridge project, San Bernardino National Forest Service

Q1. What are the limitations for improving the dirt road to the site for access for equipment, the crane, and semi‐truck hauling the bridge panels?

A1. All road improvements are the responsibility of the Contractor and shall be approved by the CO in writing after contract award prior to commencement of site work. All improvements shall take place within the existing road prism. Any permanent road features (rolling dips, berms, ditches, etc…) removed for the purposes of site mobilization shall be restored by the Contractor prior to project completion. Potential necessary road improvement locations shall be discussed with Prospective Bidders during the mandatory pre‐bid tour. These potential improvement locations will be discussed solely for the benefit of the Prospective Bidder and are not a guarantee of the full scope of necessary road improvements required for site mobilization.

Q2. What are clear & grub limits? Can we clear & grub outside new wings “B” & “D” to make a thru access (temporary)?

A2. Clear and grub limits shall be minimum amount required to allow for temporary through access for project work. Contractor shall limit, to the maximum extent feasible, impact to riparian areas and stream channel. All clear and grub locations for temporary through access shall be approved in writing by the CO after contract award prior to commencement of work. Any willows removed for the purposes of temporary through access shall be replanted by the Contractor prior to project completion. Stream channel shall be restored to pre‐project conditions prior to project completion.

Q3. Can we use existing campgrounds for staging of equipment & materials? (Fence staging area?)

A3. Yes, the Crab Flats Campground may be used as a staging area after September 11, 2016. Fencing will be allowed. Site security is the responsibility of the Contractor.

Q4. Where is construction water access? How many gallons per minute will be provided? Can we draw from the creek?

A4. Contractor shall be responsible for securing a water source and providing water to the site for all project activities. No drafting from waterways or filling from Forest Service sites shall be permitted.

Q5. Where is borrow site? (site plan note #8) Is it within 1 mile?

A5. Borrow site location has not been determined.

Q6. Is it possible to add 15 days on the front side of the schedule to allow for material ordering?

A6. Yes, see amendment 1.

Q7. What fabricator did your engineer speak to when designing the precast?

A7. The Forest Service bridge engineer was working with KIE‐CON, 3551 Wilbur Ave, Antioch, CA

94509. (925) 754‐9494. The Contractor for a similar previous project (the Trabuco Canyon Bridge project) purchased his panels from Oregon (Knife River). They were trucked down to the dirt road where they were transferred onto a different truck that carried them to the job site.

Q8. Does a soils report exist for this project?

04/08/2016 Questions & Answers

AG‐9AB5‐S‐16‐0015

Crab Creek Bridge project, San Bernardino National Forest Service

A8. No soils report exists.

Q9. Have you selected a Geotechnical Engineer for soils and materials testing yet?

A9. In accordance with FP‐03 specifications, all quality control sampling and testing required in the contract is the responsibility of the contractor. The selected contractor would select their own geotechnical firm for QC sampling and testing. Refer to specification section 153 – Contractor Quality Control and individual line item specifications for more information.

http://flh.fhwa.dot.gov/resources/specs/fp‐03/fp‐03usc.pdf

Q10. Where is stockpile area? Can we dispose of removed AC & concrete in new road fill?

A10. Stockpile area has not been determined. Proposed stockpile area shall be approved by the CO prior to use. Stockpile areas shall be located in already disturbed flat areas away from the waterway. Multiple potential stockpile areas exist within 0.25 miles of project site. Removed AC and concrete shall not be used in new road fill and shall be disposed of off National Forest lands in accordance with local, state, and federal regulations.