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Case study · 2022–2023

Two-unit building, 301A Monroe Street, Brooklyn

Concord filed HVAC and plumbing work with NYC DOB for an alteration at 301A Monroe Street in Brooklyn, and prepared the NYC DEP backflow submission.

The challenge

The water service needed a reduced-pressure-zone (RPZ) backflow assembly, which NYC DEP reviews separately from DOB.

What Concord did

  • HVAC design filed with NYC DOB.
  • Plumbing design, approved by DOB.
  • Energy code documentation.
  • NYC DEP cross-connection (backflow) submission package.

Outcome

  • Concord photographed the installed RPZ in July 2023, measuring its clearances.

Project facts

Location
301A Monroe Street, Brooklyn, NY 11216
Years
2022–2023
Sector
Two-unit building alteration
Trades
HVAC, plumbing (RPZ backflow prevention), energy code

From Concord's site visits

Reduced-pressure-zone backflow assembly with a tape measure checking clearance, Monroe Street, Brooklyn
Installed RPZ, with a tape measure checking clearance. Photo: Concord Consulting Engineering, July 2023.

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