What was permitted
Apartment building owners in Hayes Valley may be interested in an alteration project involving the installation of a soil vapor intrusion mitigation system. This system is designed to protect indoor air quality and includes the installation of a vapor barrier, vent piping, and roof terminations as per approved plans.
This permit was issued on May 29, 2026, with an estimated project cost of $40,000. The contractor responsible for this specialized installation is Advanced Construction Technologies Llc.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 202605221797 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Alterations · Apartments |
| Status | issued |
| Job description | install soil voc vapor intrusion mitigation system per prepared plans & specifications. includes: installation of vapor barrier and vent piping, vent risers/roof terminations, and related components as shown on submitted plans. not visible from street |
| Floor / unit | — |
| Estimated cost | $40,000 |
| Approved | May 29, 2026 |
| Issued | May 29, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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