What was permitted
This permit pertains to significant mechanical systems work at 170 William Street in Manhattan's Financial District-Battery Park City neighborhood. The project involves modifying HVAC equipment and ductwork to accommodate alterations within an existing hospital building.
Issued on June 26, 2026, the estimated project cost for this extensive HVAC modification is $800,000. SKANSKA USA BUILDING, INC (GC) is the contractor for this large-scale project.
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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 | 503103048 |
|---|---|
| Work permit # | M01350659-S1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | LMH OB 6FL: MODIFICATION OF HVAC EQUIPMENT AND DUCTWORK TO ACCOMMODATE ALTERATIONS WITHIN THE EXISTING HOSPITAL BUILDING. |
| Floor / unit | Floor Number(s) 6 through 6 |
| Estimated cost | $800,000 |
| Approved | February 26, 2026 |
| Issued | June 26, 2026 |
| Expires | August 31, 2026 |
| BBL | — |
| BIN | — |
Property owner
New York Presbyterian Hospital
Benedict Ciferri
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