Manhattan Pre-War Co-op Structural Interior Renovation
HomeProjectsManhattan
Verified Case StudyUpper East Side, Manhattan NYCompleted February 2024

Manhattan Pre-War Co-op Structural Interior Renovation

Project Classification: Luxury Residential Co-op Renovation

Diagnostic Challenge

The Problem & Initial Inspection Findings

An outdated 1920s 3-bedroom residence required full electrical, plumbing, and structural layout modernization while strictly complying with rigorous building board alteration rules.

Contracted Scope

Comprehensive Scope of Work

Secured building board approval, DOB alteration permits, and $5M specialized umbrella insurance binders
Installed continuous floor and corridor acoustic protection throughout building common areas
Removed non-bearing partitions to create an expansive, open-concept chef's kitchen and living suite
Rewired complete apartment with new 200-amp subpanel and Lutron smart architectural lighting
Replaced legacy galvanized plumbing lines with sound-insulated cast-iron waste and Type L copper supply
Installed bespoke inset cabinetry, Calacatta marble slab countertops, and herringbone white oak flooring
Rebuilt two master bathrooms featuring Schluter-KERDI continuous waterproofing and radiant floor heating
Technical Execution

Phased Construction Methodology

1Phase 1: Board Review & DOB Filing

Submitted architectural drawings, structural engineering affidavits, and work schedule to the Co-op board and NYC DOB.

2Phase 2: Soundproof Demolition

Removed partitions and outdated plumbing using acoustic dampening protocols within allowable building work hours.

3Phase 3: MEP Rough-Ins & Waterproofing

Ran all new electrical, plumbing, and HVAC ducting. Floated floors with acoustic underlayment and installed Schluter waterproofing membranes.

4Phase 4: Artisan Millwork & Finish Detailing

Installed custom millwork, marble book-matched slabs, architectural trim, and zero-VOC paint finishes.

Engineering Challenges

Strict Co-op board operating restrictions including rigid 9:00 AM – 4:30 PM working windows, elevator reservation limitations, and stringent building acoustic transmission thresholds.

Final Verified Result

Project delivered on schedule within 14 weeks with zero noise violations, full building sign-off, and exceptional luxury appraisal appreciation.

Manhattan Pre-War Co-op Structural Interior Renovation
Materials & Products Deployed
Schluter-KERDI Waterproofing & DITRA-HEAT Floor Warming
Type L Hard-Drawn Copper Pipe & No-Hub Cast Iron Waste
Select Grade 3/4-Inch Quarter-Sawn White Oak Flooring
Custom Lacquered Inset Wood Cabinetry
Calacatta Gold Natural Marble Slabs
Benjamin Moore Aura Zero-VOC Interior Enamels

Contracted Service Divisions:

Home Renovation NYCKitchen RenovationBathroom Renovation
Similar Scope Needed?

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Mega Contracting NY Group Inc. provides transparent itemized estimates with full DOB permit coordination across all 5 boroughs.

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