Questions and Answers - KO Approved.pdf

Q1. I have a clarification question regarding the scope. The description references “two coats of hot rubber sealant.” In our climate, asphalt sealing is typically performed using a cold-applied asphalt emulsion applied in two coats, whereas “hot rubber” usually refers to a hot-pour crack sealant used to fill cracks (typically one application) prior to sealcoating.

Can you please clarify the intended material and application method.

A1. PWS is being updated to reflect change in verbiage, this will be provided via Amendment to be posted to SAM.

Q2. I reviewed the attachments and didn’t see a bid offer guarantee requirement or P&P bonds. Is this correct?

A2. No this is a service contract. No bid bonds or performance or payment bonds are required.

Q3. The description references “two coats of hot rubber sealant.” In our climate, asphalt sealing is typically performed using a cold-applied asphalt emulsion product applied in two coats. Conversely, hot rubber generally refers to a hot-pour crack sealant, which is used to fill cracks—typically applied in a single application—in preparation for a subsequent asphalt emulsion sealcoat.

Could you please clarify whether the intent is:

• Two coats of a cold-applied asphalt emulsion sealcoat, with hot-pour crack sealant used separately for crack repair, or

• Two coats of a hot rubber product?

A3. PWS is being updated to reflect change in verbiage, this will be provided via Amendment to be posted to SAM.

Q4. Do we need to attend the onsite visit to provide a bid on this project? (Chandler)

A4. No, Site visit not required.

Q5. Attached below is the rubber sealcoat my company would be planning to use if awarded this project, are you able to confirm that it will be acceptable? and if not could the Gov point me in the right direction of the right material? (Ryan)

A5. Exact coating is up to the contractor and has to meet the requirements and any regulations. Contractor submittals to be provided after award.

Q6. Please provide clarification on what is required as “two coat of commercial-grade hot rubber sealant” for solicitation W9123826QA005 - Asphalt Sealing and Stripping.

The reason being that two standards is being mentioned in the term: “two coat of commercial-grade hot rubber sealant”.

ASTM D6690 - Hot-Applied Rubberized Asphalt Crack Sealants

These are usually for cracks and joints.

They are not “two-coat surface sealcoat” products.

ASTM D5727 - These are commercial pavement sealcoats used in two coats.

They are commonly applied at ambient temperatures.

A6. PWS is being updated to reflect change in verbiage, this will be provided via Amendment to be posted to SAM.

Q7. When the PWS references “two coats of hot rubber asphalt sealant,” is the intent to apply a standard asphalt emulsion sealcoat to the pavement surface, with hot-applied rubberized material used only for crack sealing?

A7. PWS is being updated to reflect change in verbiage, this will be provided via Amendment to be posted to SAM.

Q8. Are there any specific product types, manufacturers, or ASTM standards that the Government expects or prefers for the sealcoat material?

A8. Exact material is up to the contractor and has to meet the requirements and any regulations. Contractor submittals to be provided after award.

Q9. Has the pavement at this site been previously sealed, and if so, can the Government confirm the type of material that was used?

A9. Asphalt was laid in 2010. No sealant has been applied since.

Q10. Please confirm whether the approximate 131,000 square feet referenced in the PWS represents only the existing asphalt pavement areas, and does not include areas beneath buildings or other non-paved surfaces.

A10. The approximate square footage is only the areas to be sealed coated. All building footprints are not included in the area.

Q11. If additional cracking or asphalt failures are identified after surface cleaning and preparation, will those repairs be addressed as a change in scope, or are they expected to be included within the base contract work?

A11. At this time no additional cracks are expected to be found, but if so a modification may be issued.

Q12. Can the Government confirm whether any ADA signage, curb markings, or vertical signage are included in the scope, and if so, the approximate quantities?

A12. There is one ADA parking space and loading area. Contractors will not be required to supply vertical signage. One ADA marking on the parking stall is required.

Q13. Will relevant past performance from a qualified paving subcontractor be acceptable if the prime contractor is a general construction contractor, and is subcontracting of the asphalt work acceptable under this solicitation?

A13. Subcontracting is acceptable; however a sub must also be a small business, therefore we will need a letter of commitment between he prime and sub stating they will be doing the work and the subcontractors name and POC info.

Q14. Is the contractor to apply the sealant up to the edge of the new asphalt only, or is the contractor also required to apply sealant over the new asphalt?

A14. The sealant is to be applied to all indicated areas on the map. Sealant is to be applied over the top of new asphalt as well.

Q15. Is the contractor required to patch existing holes in the asphalt, or is the intent to apply sealant over existing holes without patching?

A15. All potholes are to be patch and filled prior to sealing as required in the PWS.

Q16.Please confirm the total square footage (SF) of asphalt area to receive sealant application.

A16. See PWS. Approximately 131,000 square feet.

Q17. Please confirm whether the contractor is required to grind down existing parking striping in front of the flagpole prior to new striping.

A17. No

Q18. Is the contractor required to restripe all parking spaces, or only the parking spaces located in front of the flagpole?

A18. All existing parking spaces are to be restriped. The striping plan indicates the layout around the flagpole.

Q19. Please confirm the maximum allowable square footage of asphalt the contractor may close off per phase of the project.

A19. Contractor can propose what areas and square footage they wish to close and how they would like to structure each phase of the project. These will be discussed during the pre-work meeting following award and all phases will be need to be approved by the COR prior to the start of work.

Q20. Please confirm that the contractor is not required to apply sealant over concrete patches.

A20. Contractor is not required to apply sealant over existing concrete patches.

Q21. Please confirm whether the contractor is required to patch the asphalt located beneath the gate leading into the vehicle storage yard.

A21. Yes

Q22. Please provide the specifications and approved product requirements for the hot-applied rubber sealant.

A22. Products must meet Federal Highway Administration and industry standards

Q23. Can the QC/SSHO/Superintendent be the same person?

A23. These can all be the same person as long as they are qualified/competent as SSHO. We concur

Q24. Please provide the geotechnical report for the project location.

A24. This is not available

Q25. Is the contractor to provide a swpp plan ?

A25. No a storm water prevention plan is not required.