Attachment_16_-_Questions_and_Answers_Airfield_Pavements.pdf

Solicitation No.: FA446019RA004 20-Mar-2019

Attachment 16

2019 Questions for Airfield Pavements

1. In Division 1 General Requirements Section 01 11 00 - Summary of Work Part 1 - General

1.02 D it states, “Contractor Experience-The Contractor shall have a minimum of 5 years of experience with airfield maintenance and repair and successfully completing work types listed above on an active airfield." Where it states, "Contractor Experience-The Contractor", does this mean the Prime / GC Contractor has to have 5 years’ experience to qualify?

ANSWER: Division 01 11 00 1.02 D has been revised per following: Contractor Experience – The Prime Contractor and/or subcontractor shall have a minimum of 5 years of experience with airfield maintenance and repair and successfully completing work types listed above on an active airfield.

2. Where does the 2” & 4” PVC pipe go (CLIN- AI & AJ)?

ANSWER: Allows us the flexibility to add conduit at slab replacements for possible future use.

3. Is it acceptable to use the Solicitation SF 1442 that is provided on FBO it is a draft form and has DRAFT printed on it?

ANSWER: Due to system error, the draft watermark remained. With that being said, this is the official solicitation for the requirement.

4. What’s the average number of delivery orders awarded in a year?

ANSWER: Based on past experience 0 to 3 delivery orders per year.

5. Under the recent Runway Recovery project at LRAFB concrete slabs were placed on the runway using 5000psi concrete with type C Fly Ash. Will 5000psi type C Fly Ash concrete be an approved mix for airfield slabs under this contract?

ANSWER: No, slabs will be replaced per specifications.

6. Since the CLINs for Blanking edge lights has been removed, who will be responsible for blanking the edge lights and/or removal and protection of taxiway edge lights during construction?

ANSWER: CE will handle edge lights.

7. Will there be an equitable price adjustment for line items that rely on materials to be shipped (in lieu of speculating fuel prices over the next five years)?

ANSWER: No

8. How often is concrete and/or asphalt placed on weekends or holidays?

Attachment 16

ANSWER: Typically, concrete and asphalt work is accomplished during regular work hours. However, for repairs effecting runway operations it is mandatory that construction take place on weekends and holidays during scheduled airfield closures.

9. When saw cutting the concrete will steel dowel bars be encountered? If yes, what size can be expected?

ANSWER: 1” to 2” diameter.

10. Is the requirement for rubber removal specifically by chemical only or can it be performed by water/chemical combination?

ANSWER: Rubber removal methods must meet all requirements specified in 32 01 12

PAINT AND RUBBER REMOVAL FROM ROADWAY AND AIRFIELD

PAVEMENTS

11. Can Aerogreen 4035 be considered an approved equal to Avian 50 as it is listed in the DLA with NSN’s?

ANSWER: Yes, if it meets all specification requirements.

12. Will coring sampling be accomplished/needed?

ANSWER: Bid per specifications.

13. Will a concrete washout location be provided at the jobsite for concrete mixer trucks?

ANSWER: Typically, the truck washout shall be accomplished at the provided lay down yard. The approval of a washout area at the Airfield will be evaluated on a case-by-case basis. The Contractor shall provide a washout plan for approval prior to start of construction.

14. Are aggregates at local quarries for concrete susceptible to ASR?

ANSWER: Test show that some local coarse aggregates are reactive to ASR except for the feldspar-like granite. Non-reactive aggregates shall be used.

15. Will Tigerbrain be involved in this project in any capacity?

ANSWER: Typically, CE handles quality assurance and technical considerations. If additional technical services are required then CE will reach out to appropriate technical advisers.

16. Can the Contractor provide a Title II QA/QC utilizing an NPI if needed as a convenience to the government?

ANSWER: No.

17. Are there any disposal sites on base for excavated materials?

ANSWER: No, disposal of waste material shall be off base.

18. Will Jim Lafrenz specifically be involved at all with this project?

ANSWER: Typically, CE handles quality assurance and technical considerations. If additional technical services are required then CE will reach out to appropriate technical advisers.

19. Are ASR Mortar Bar test results required with the mix design?

ANSWER: Yes, mortar bars using the desired mix design are required. Test results of the mix design shall have a measured expansion of less than 0.08% percent at 28 days.

20. Are these projects designed to be a call out project to where the AFB can call us out to do minimal amounts of work at a time?

ANSWER: This will be an Indefinite Delivery Indefinite Quantity contract. Delivery orders will be awarded as required by the Government when funding is available. For minimum amounts of work at a time reference FAR Clause 52.216-19 Order Limitations para (a).

21. Will a dumpsite be available on base for excavated materials other than concrete?

ANSWER: No, waste excavated material shall be disposed of off base.

22. Will the government provide escorts when the contractor is working in controlled movement areas?

ANSWER: Typically, the government provides escorts when required.

23. Can the contractor obtain Line Badges for work inside CMA’s? If so, what is the process and how long would that take?

ANSWER: Yes, we encourage the contractor to obtain a Line Badge. The time required to receive a Line Badge varies depending on the workload of the badging agent.

24. Heavy Highway Wage Determinations are attached to the Solicitation, but Building Construction Wage Determination is referred to in the Minimum Guarantee project.

Which wage determination should be used?

ANSWER: Highway Construction, AR 190171 (AR171) for Pulaski County is stated at para 4 in the Minimum Guarantee project.

25. If a concrete mix design utilizing Type C Fly Ash is approved for use by the Arkansas

Highway Department, can it be used under this contract?

26. What is the 2- and 4-inch PVC pipe going to be used for?

ANSWER: Allows us the flexibility to add conduit at slab replacements for possible future use.

27. In the Summary of Work section 1.03 paragraph C- Areas inside the Redline are not specifically called out. If the contractor is delayed due to a government provided escort not being available, will that be considered a compensable delay?

ANSWER: Depends.

If the work has not been started then a delay cost is not warranted. Such as a delay related to waiting to start work while Airfield Ops works out escorts.

If work has started and an escort does not show up without any prior notification then a delay cost is warranted. In this case Contract workers show up on the job site and a costs has been incurred to the Contractor.

28. In the Summary of Work section 1.04 paragraph D it states that the contractor shall maintain a complete set of construction drawings on the jobsite at all times. Will construction drawings for each project be provided by the government or will they have to be produced by the contractor?

ANSWER: Standard typical construction drawings are provided in this Contract. If construction details vary significantly from these provided drawings then the Government will provide new drawings showing details as required. Typically, only location drawings are provided on each delivery order and standard drawings are utilized for construction details. The Contractor will not be required to do construction drawings.

29. Will a water source be provided for projects at Camp Robinson?

30. Is there a dump site for materials on Camp Robinson?

ANSWER: No, all waste material must be removed from Camp Robinson.

31. Is Flight Line Drive considered Airfield pavements?

ANSWER: Yes.

32. Who generates the Airfield Waivers?

ANSWER: The Government.

33. Are the areas around the hangers considered airfield pavements?

34. If there are two concrete slabs next to each other, and only one is to be demolished and replaced but both are in equally bad condition and the adjoining slab comes apart during the demolition, who is liable for it?

ANSWER: Contractor shall notify the Construction inspector as soon as possible to document the unforeseen condition. Liability shall be determined on a case-by-case basis. Contractor shall adhere to provided standard drawings regarding slab demolition to minimize damage to adjacent slabs.

35. Will there be any design work?

ANSWER: No. Contractor is not required to do design work.

36. What address will be used for material deliveries?

ANSWER: Will be determined after contract award.

37. Can Rubber Removal be performed with high pressure water?

ANSWER: Rubber removal methods must meet all requirements specified in 32 01 12

PAINT AND RUBBER REMOVAL FROM ROADWAY AND AIRFIELD

PAVEMENTS

38. Can a concrete batch plant be placed on base?

ANSWER: Yes, the successful bidder is allowed and encouraged to place a concrete batch plant on base. It is the responsibility of the Contractor to obtain all required state and federal permits associated with the batch plant. After the conclusion of the Airfield IDIQ contract, the Contractor is responsible for removal of the batch plant and restoring the site to pre-batch plant conditions. All the above is at the Contractor’s expense. Batch plant concrete can only be used for Airfield IDIQ project, not for commercial production and sales.

39. Will work be conducted on weekends, holidays, and down days?

ANSWER: Typically, concrete and asphalt work is accomplished during regular work hours. However, for repairs effecting runway operations it is mandatory that construction take place on weekends and holidays during scheduled airfield closures.

40. What procedures are required for getting concrete mixer trucks through the main gate during night pours?

ANSWER: Contractor shall provide prior notification to Government personnel so SFS personnel can staff that inspection pit. Detailed procedures will be developed as these situations arise.

41. Can more than 25% Class F Fly Ash be used to achieve a mortar bar expansion rate of less than 0.08%?

ANSWER: Maximum fly ash content will be determined during submittal process if desired results cannot be achieved with 25%.

42. Will an area be given for staging?

43. Can concrete mixers washout at the jobsite on the Airfield? If not where will the washout be located?

ANSWER: Typically, the truck washout shall be accomplished at the provided lay down yard. The approval of a washout area at the Airfield will be evaluated on a case-by-case basis. The Contractor shall provide a washout plan for approval prior to start of construction.

44. What CLINs will be used to pay for the 6 inches of excavated material that is to be removed under the concrete slabs?

ANSWER: BZ, ECAVATION

45. In section 32 01 15 Repair of Rigid Pavements page 93 Section K (ASR) Paragraph 1 states that non-reactive aggregates shall be used when available. Since the feld-spar like granite is always available in this area, does that mean the feld-spar like granite will always be used in the concrete mix designs?

ANSWER: Yes, feld-spar like granite shall be used unless an alternate course aggregate material that is not reactive can be found.

46. What percent of the crushed concrete remains government property?

ANSWER: All crushed concrete shall remain the property of the Government.

47. The stated cement factor for Low Compression Concrete is 200 lbs. Is 25% Class F Fly Ash included in that 200 lbs or in addition to?

ANSWER: Class F Fly Ash is required in low compression concrete.

48. Can the concrete crusher be located at the stock pile location? If not, can you estimate the distance of the haul route?

ANSWER: Concrete crusher shall be located at the provided staging area.

49. Can a coal tar base product be used for a sealer / rejuvenator?

ANSWER: Yes. This could change based on environmental regulations.