What was permitted
For those in the Upper East Side-Carnegie Hill area, this permit offers insight into the costs of sprinkler system modifications, particularly for large healthcare facilities. The work at 645 Madison Avenue involves adjustments to existing sprinkler heads.
This project, with an estimated cost of $120,000, was issued a permit on October 15, 2026, by A & F FIRE PROTECTION CO. The modifications are temporary during construction and do not alter the building's use, egress, or occupancy.
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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 | 206215307 |
|---|---|
| Work permit # | M01389664-S3-EW-SP |
| Job filing number | — |
| Work type | Sprinklers |
| Status | Permit Issued |
| Job description | NYU LANGONE HEALTH - FGP ROTHMAN EXPANSION - SPRINKLER MODIFICATIONS AS PER PLANS FILED HEREWITH INCLUDING TURNING EXISTING HEADS UPRIGHT TO PROVIDE TEMP LOOP DURING CONSTRICTION. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. |
| Floor / unit | Floor Number(s) 004 through 004 |
| Estimated cost | $120,000 |
| Approved | June 23, 2026 |
| Issued | October 15, 2026 |
| Expires | February 15, 2027 |
| BBL | — |
| BIN | — |
Property owner
NG 645 Madison Ave LLC
Keith Colton
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