Air Station Paving Question and Answers - Final.pdf
PDF 174 KB Posted
- Attached to
- Repair of Pavement at Air Station San Francisco
- Solicitation number
- 20180PR260000076
About this file
This is a Questions and Answers document for the Air Station Paving federal contract opportunity. The document does not address specific products or services requirements, response dates, award dates, pricing terms, or other substantive procurement details. Instead, it provides clarifications to 24 contractor inquiries regarding technical specifications, project scope, administrative requirements, and performance standards for a concrete paving project at Air Station San Francisco.
Key clarifications include: payment protection documentation is due within 10 days of award receipt; performance begins 15 days after award and must be completed no later than 90 days after Notice to Proceed; the concrete pad must support a minimum of 25,000 pounds with the contractor responsible for determining adequate rebar sizing and spacing; the estimated existing pavement thickness is 7 inches of cement; the work area is approximately 1,600 square feet with photos available on SAM.gov; contractors must provide their own utility locating services and compaction testing; water connections may be available but contractors must supply adequate water independently; concrete washout locations must be located off-base; the side door to the PSU Boathouse must remain accessible during construction; contractors must submit payment protection, key personnel identification, and work schedules within 10 days of award; and all work must conform to City of San Francisco standard specifications. HSAM clause 3052.204-71 and Alternate II regarding worker citizenship or residency requirements apply to any award made under this solicitation.
View the file
Other files
| File | Type | Posted |
|---|---|---|
| STATEMENT OF WORK - Amended.pdf | ||
| Paving Repair Solicitation - Amended.pdf | ||
| BASE ACCESS FORM.xlsx | XLSX spreadsheet | |
| STATEMENT OF WORK.pdf | ||
| Paving Repair Photos.pdf | ||
| Paving Repair Solicitation.pdf |
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Text version
Air Station Paving Question and Answers
1. The solicitation states that payment protection is required within 15 calendar days after award, while FAR 52.228-13 in Section L requires submission within 10 days.
Answer: The due date for payment protection shall be clarified to state submission within 10 days of receipt of the award.
2. Please also confirm the proposal deadline, time, and applicable time zone.
Answer: The closing date and time are listed on the contract opportunity on SAM.gov.
3. Please confirm whether the 90-day completion period begins at award or upon receipt of the Notice to Proceed.
Answer: The performance period shall be clarified to state performance begins 15 days after receipt of award and completed no later 90 days after receipt of the Notice to Proceed.
4. Please provide the required concrete strength, mix and air or slump criteria, curing method, and reopening time for pedestrian and heavy-vehicle traƯic.
Answer: The concrete must be able to support over 25,000 lbs. No daily reopening requirement; the contractor must provide a cure timeline and anticipated structural load limits.
5. Please provide rebar size, spacing, cover, dowel or tie details, and expansion, isolation, and control-joint requirements.
Answer: This information is not available.
6. Please specify subbase material, depth, compaction and testing criteria, and responsibility for unsuitable or contaminated material.
Answer: Information about the subbase is unknown. The contractor shall remove all construction debris from USCG property and dispose of it properly.
7. Please provide a dimensioned sketch or confirm that final limits and elevations will be established during the site visit.
Answer: The approximate size of the work area is specified in the updated SOW.
8. Please confirm the hot-mix asphalt patchback limits and required depth, mix, base preparation, tack coat, and compaction criteria.
9. Please identify expected vehicle loading, maximum closure duration, required phasing, temporary access, and daily reopening requirements.
Answer: The concrete must be able to support over 25,000 lbs. No daily reopening requirement; the contractor must provide a cure timeline and anticipated structural load limits.
10. Please identify required submittals, mix designs, tickets, inspections, tests, hold points, and closeout records.
Answer: The contractor shall submit payment protection, identification of key personnel, and projected work work schedule within 10 days of award. A Notice to Proceed shall not be issued until submittals are accepted by the government.
11. Please confirm whether construction water and an approved concrete washout location will be available. The contractor will provide portable sanitation.
Answer: Water can be provided by connections, but usage must not impact base facilities; the contractor must be able to adequately supply their own water as needed. The contractor must provide their own concrete washout location not on base.
12. Please confirm worker citizenship or residency requirements and any background, fingerprinting, or advance-roster lead times.
Answer: Please review HSAM clause 3052.204-71 and its Alternate II included in the solicitation. This clause shall be included in any award made from this solicitation.
13. Please provide or identify the applicable rebar specifications, including the required bar size, spacing, grade, and placement/detail drawings, if applicable.
Answer: This information is not available. The new cement pad must have suƯicient rebar to handle a minimum of 25,000 lbs.
14. Please clarify the personnel access requirements for Air Station San Francisco.
Answer: Please review HSAM clause 3052.204-71 and its Alternate II included in the solicitation. This clause shall be included in any award made from this solicitation.
15. Please confirm the applicable standards and construction details for this project.
Should the contractor follow City of San Francisco Standard Specifications and Details, another agency standard, or will project-specific specifications and drawings be provided?
Answer: The contractor must conform to all local city standard specifications.
16. Please provide a dimensioned plan or marked-up drawing identifying the exact limits of the 1,600-SF concrete paving area and the required limits of the 1-foot-wide HMA patchback.
Answer: Photos of the work areas are attached to the contract opportunity on SAM.gov.
17. Please confirm the anticipated type and thickness of the existing pavement and aggregate base to be removed. Please also clarify how unsuitable subgrade, additional excavation, or contaminated materials encountered during construction will be handled.
Answer: The pavement thickness is estimated to 7” of cement. Unsuitable subgrade, additional excavation, or contaminated materials shall be disposed oƯ USCG property in accordance with industry standards.
18. Must access to the PSU Boathouse remain available during construction? Please confirm any required phasing, allowable closure periods, and the curing time or concrete strength required before reopening the pavement to heavy vehicles and boat trailers.
Answer: Side door access of the boathouse must remain open during construction. The door is not part of the area of construction, but equipment must not be stored in front of it.
19. Will the Government identify existing underground utilities and provide material and compaction testing, or must the contractor include utility locating/scanning and third-party testing in its proposal?
Answer: The contractor must provide for locating utilities and compaction testing.
20. The solicitation summary states that payment protection is required within 15 calendar days after award, while FAR 52.228-13 states 10 days. Please confirm the applicable deadline.
Answer: The payment protection shall be required no later than 10 days after award.
21. Are there any existing plans or information as to the existing concrete to be demolished and if it contains rebar or not?
Answer: For clarity, the only demolition will be the asphalt near the boathouse doors, and the assumption is that it does not have any rebar.
22. What are the specs for rebar to be installed as far as type (#3, #4, etc.) and distance apart (16 in. OC, 18 in. OC, etc.)?
Answer: This information is not available. The new cement pad must have suƯicient rebar to handle a minimum of 25,000 lbs.
23. Is there any detail on the subbase depth? We assume 6 inches.
Answer: This information is not available. The pavement thickness is estimated to 7” of cement.
24. Is compaction testing required?
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