First Bank Windows Questions and Answers_0001.pdf

Solicitation Document No.

140P4220R0019

Document Title Rehabilitate First Bank Windows, Sills and Trim

Questions and Answers

Q1. Will the building be occupied during construction?

- The building will not be occupied during construction. NPS staff and other contractors may be present on site.

Q2. Paint Removal: The specs do not list a specific product to be used in the stripping of the paint from the sash and frames. Please advise.

- Typical paint strip such as citrus drip is acceptable.

Q3. The temporary protection detail on drawing A8.4 detail 2 depicts the plywood and insulating panel to the exterior of the building. If installed as shown, can we strip the paint on the frames from the interior.

- Stripping paint from frames from interior may be possible. Contractor to determine means and methods of performing work.

Q4. We could not access the interior of the building. Are there interior photos available?

- Interior photos were provided in virtual prebid walkthrough document.

Q5. For windows 108, 110 and 111, part of the removal and reinstallation would require working from the ramp which would interfere with access to the building. Is that acceptable?

- Intermittent ramp closure during active work is acceptable. Contractor shall provide 7 calendar notice of ramp closure.

Q6. Please provide a copy of the asbestos report, if available.

- Reference Hazmat report dated December 2019 by Arc Environmental. A copy of the report is included as part of this Amendment 0001

Q7. Drawing AS.1, General Site Note #3 indicates that insulation board sandwiched in plywood should be used to protect the ground from equipment. Is this ground protection required on cobblestone and brick surfaces for lifts with rubber tires?

Rubber tires (alone) should provide sufficient protection for the existing site surfaces, please advise.

- Contractor shall protect pavement during work as necessary and restore site if any damage occurs. If contractor can protect existing surfaces without the use of insulation board, the Government will not dictate means and methods.

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Q8. Drawing A8.1, Window Notes #1 indicates that windows with this note need to be modified for easy removal of HVAC equipment and references details on sheet A8.4. Please clarify which detail on A8.4 this refers to. Please clarify the scope of work for HVAC equipment removal and who is responsible for this work, I do not see any HVAC work on the drawings.

- HVAC work not part of contract. Detail 1/A8.4 provides further information on these windows.

Q9. Drawing A8.4, detail #4 & #5 illustrate proposed site fencing. Please clarify under what circumstances this fencing is required and/or provide locations and quantities of where it is to be used. Alternately, is standard temporary chain-link construction fence acceptable?

- Detail #4 and #5 is intended to secure any potential scaffolding if used on site from the public.

Q10.For asbestos abatement, can the Hazardous Material Survey dated December 2019 by Arc Environmental be made available?

Q11.Shall we assume all windows contain asbestos containing materials?

Q12. Will a room on each floor be made available for setting up a work area as needed and staging materials?

- Yes.

Q13.Does NPS know the manufacturer of the storm windows?

- Manufacturer of storm windows is unknown.

Q14.Are the storm windows glass or another material?

- Contractor shall bid under assumption that windows are believed to be acrylic.

Q15.Who is responsible for moving any furniture or other obstructions inside the building?

- NPS plans to remove most furniture in late October. However, contractor may be responsible for moving or relocating limited amounts of furniture or other obstructions to perform work.

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Q16. Clarification to specification The hazardous materials report is not in the spec book. Can you supply?

Q17.Since we cannot access the building, do any interior photographs exist for us to view the interior conditions.

- Interior photos were provided in virtual prebid walkthrough document.

Q18.For windows 108, 110 and 111, part of the removal and reinstallation would require working from the ramp which would interfere with access to the building. Can we schedule a closing of the ramp for construction purposes? Is that acceptable

- Intermittent ramp closure during active work is acceptable. Contractor shall provide 7 calendar notice of ramp closure.

Q19. The spec book and solicitation pages do not mention the percentage of a bid amount needed. Can you answer that for me?

- Clause 52.228-1 Bid Guarantee (SEPT 1966) Item c. reads: The amount of the bid guarantee shall be twenty (20) percent of the bid price or $3 million, whichever is less.