Section_J_-_Att__No__007_Site_Visit_Sign-In_Sheet_0001.docx

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REPLACEMENT ROOFS FORT MASON CHAPEL & Q35
Solicitation number
140P8626Q0014
Issued by

About this file

This is a site visit sign-in sheet for a National Park Service solicitation regarding roof replacement work at Fort Mason Chapel and Quarters 35 in San Francisco, California. The site visit was scheduled for Tuesday, March 17, 2026, at 10:00 AM, with participants meeting at the Fort Mason Chapel located at 230 Fort Mason, San Francisco, CA 94109. Parking is available throughout the Fort Mason facility.

Six participants attended the site visit representing various organizations involved in the procurement process. Attendees included Chiraayu Komar from Dynasel USA (PM), Michael Machkovsky from Marina Bay Roofing (Owner), Amy Wilson from the National Park Service serving as the Contracting Officer's Representative (COR), Cesar Ayala and Oscar Contreras from SF Pro Roofing, and Adan Zamudio from Durable Cool Roofs (Superintendent). This document relates to Solicitation Number 140P8626Q0014 issued by the Department of the Interior National Park Service Pacific West Region for the replacement of roofs at Fort Mason Chapel and Quarters 35. The site visit sign-in sheet was posted as part of Amendment 001 to the solicitation.

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National Park Service Golden Gate National Recreation Area Site Visit Sign In Sheet

Project Name:

140P8626Q0014 Replacement of Roofs FOMA Chapel and Qtr 35

Date & Time:

Tuesday, March 17, 2026, at 10:00 AM

Location:

Participants will meet at the Fort Mason Chapel, 230 Fort Mason, San Francisco, CA 94109. Parking is available throughout Fort Mason.

PARTICIPANTS:

NAME

COMPANY

TITLE

PHONE

1. Chiraayu Komar

Dynasel USA

PM

669-270-8212

2. Michael Machkovsky

Marina Bay Roofing

Owner

650-440-2775

3. Amy Wilson

NPS

COR

415-547-9718

4. Cesar Ayala

SF Pro Roofing

415-939-2229

5. Oscar Contreras

SF Pro Roofing

415-571-6604

6. Adan Zamudio

Durable Cool Roofs

Superintendent

559-439-8650

7.

8.

9.

10.

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File details come from the government source that posted it. Updated .