What was permitted
This permit covers the installation of a temporary standpipe system with an air pressurization alarm at 142 West 21 Street in Manhattan's Chelsea-Hudson Yards neighborhood. This type of work is often associated with ongoing construction operations, providing essential safety measures.
Issued on August 11, 2026, the estimated cost for this standpipe installation is $1,000. H M SPRINKLER INC (F) is the contractor, and the work is filed in conjunction with other permits for a new building project, with no changes to occupancy, use, or egress.
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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 | 140987670 |
|---|---|
| Work permit # | M08023095-I1-EW-SD |
| Job filing number | — |
| Work type | Standpipe |
| Status | Permit Issued |
| Job description | INSTALLATION OF TEMPORARY STANDPIPE WITH AIR PRESSURIZATION ALARM, FOR TEMPORARY USE DURING CONSTRUCTION OPERATIONS. NO CHANGE IN OCCUPANCY, USE OR EGRESS. FILED IN CONJUNCTION WITH #M00766992-I-1 ALT-CO- New building with existing elements to remain. |
| Floor / unit | Cellar, Floor Number(s) 1 through 13, Roof |
| Estimated cost | $1,000 |
| Approved | May 10, 2023 |
| Issued | August 11, 2026 |
| Expires | May 12, 2027 |
| BBL | — |
| BIN | — |
Property owner
Built By Grid LLC
Yiannes Einhorn
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