Atch_7_-_Questions_ _Answers.doc

Attachment 7 to

FA4664-15-R-0012

FA4664-15-R-0012 – Repair Airfield Pavements Questions and Answers 19 August 2015

1. SOW section 1 Gen. Requirements 1.3.8 Repair spalled concrete, there are no quantity’s.

ANSWER: Concrete work will be ‘remove and replace’. There is no ‘spalled concrete’ repair. SOW paragraph 1.3.8.1 revised to delete repair spalled concrete.

2. SOW section 1 Gen. Requirements 1.3.6 Remove and replace joint seal, no quantity’s only new work.

ANSWER: Installed concrete will need joint seal. This project does not involve seal remove/replace. SOW paragraph 1.3.6 revised to delete remove and replace joint seal.

3. SOW section 1 Gen. Requirements 1.3.4 What area of the job requires this 2nd layer of subbase course material?

ANSWER: Flight line road

4. Flight line Rd. – There is a chain link fenced area at the back corner of the building that is being paved. Will this fence need to be removed and replaced?

ANSWER: Yes. Remove/replace fence.

5. There is a specification for Airfield grooving but the area of PCC pavement that is being replaced has no grooving.

ANSWER: Specification 32 01 26.71 Grooving for Airfield Pavements is deleted from solicitation.

6. Flight line Rd. – At the South end of flight line Rd work area there is a note on the plans stating to replace the ACC with PCC, this is not part of the SOW.

ANSWER: Correct. See revised flight line road plan.

7. It appears that the scope of repaving the Taxiway apron on the above referenced project may require the removal of some Taxiway edge lights and possibly splicing the 5kV circuits through in order to maintain the integrity and continued use of the taxiway edge light circuitry. Attached a marked up drawing for your reference. There is no reference to any electrical scope in the RFP Docs, at least that I can see. Should there be?

Answer: The contractor is required to take steps to protect the lights/circuitry. No need to splice cable/remove lights.

8. Repair C-17 Parking Apron: Do grounding rods and/or tie downs need to be installed in this area?

ANSWER: No

9. Building. 2317: Is there concrete existing underneath the asphalt shoulders? If so, does that need to be removed, or will the contractor be allowed to place 3”/6” section over the concrete?

ANSWER: In some areas near building 2317 there is concrete (PCC) under ACC. The % of pavement with PCC under pavement is to be determined during construction. When paving over PCC, use reflective crack control products/techniques to retard crack formation (geosynthetic matting, saw & seal, etc.).

10. Taxiway A – Shoulder Repair: Is there concrete existing underneath the asphalt shoulders? If so, does that need to be removed, or will the contractor be allowed to place 3”/6” section over the concrete?

ANSWER: There is no concrete under Taxiway A shoulders.

11. Is there a soils report or something showing the watertable elevation?

ANSWER: Watertable is about 6’-7’ under the pavement. During previous airfield pavement jobs the soil under pavement was found to be wet. As a remedy, geo-fabric was used in one of the project. In another project the soil needed to dry out for about a week

12. In reference to C-17 Ramp Concrete Replacement depicted on Atch 4 –Drawing Locator’, is there residual fuel in the storage. If so, should we account for hazardous waste disposal in our proposal? How large is the tank?

ANSWER: No residual fuel

13. Please provide a detail drawings/picture of the C-17 Ramp.

Answer: See attached C-17 parking apron plan

14. In reference to ‘Atch 4 – drawing PDPG130268 B440, how thick is the existing PCC? Can we eliminate the utility drain and fill with ACC? Can we burying the cast iron sewer line and cover with ACC?

ANSWER: Existing PCC is 11”. Eliminate utility drain. Remove prior to paving.

15. In reference to ‘Atch 4 – drawing PDPG130268 Flightline Road, are we to saw cut and pave around the existing HVAC concrete pads and equipment?

ANSWER: Yes.

16. In reference to ‘Atch 4 – drawing PDPG130268 Flightline Road’, what is the depth of the existing ACC outlined in blue? How is the new base and PCC to be split?

ANSWER: Area outline in blue not part of SOW. See revised flight line plan.

17. Please provide striping details for all areas that are receiving new ACC/PCC that require striping.

ANSWER: Striping is to match existing.

18. Please identify all points of access and egress to the airfield that will be made available to the contractor for personnel and materials deliveries?

ANSWER: Contractor will come through a gate near Airfield Management to sign in at the counter each day. He will receive Controlled Movement Area (CMA) training & be issued a radio to be in constant radio communication with the Control Tower.

19. Will the contractor be allowed to store equipment and material adjacent to work areas if they do not exceed height or distance limitations of aircraft safety provisions and operations?

ANSWER: No, laydown area will be provided, but it won't be next to the construction site. We will make it as close as possible without breaking any airfield criteria. We also will not be able to have mounds of dirt, asphalt or concrete near the runway.

20. Please provide limits of work for C-17 Parking Apron and scope of work involved with the “Fuel Manhole”.

ANSWER: See attached C-17 Parking Apron plan. Remove fuel manhole and pave over

21. Please provide quantity of dowels to be installed or linear footage of joins and spacing between dowels.

ANSWER:

22. Does 100% Small Business Set Aside include subcontractors as well?

ANSWER: Must comply with FAR Clause 52.219-8 Utilization of Small Business Concerns.

23. Please indicate the quantity for “Replace ACC with PCC PDPG200807” ANSWER: Not part of flight line road project. See revised flight line road plan.

(Amendment 0001, 19 Aug 15)