Brooklyn since 2014All five boroughsSame-day response during business hours
Quick Answer
General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.
MC § 603.8.3
Plastic ducts shall be constructed of PVC having a minimum pipe stiffness of 8 psi (55.1 kPa) at 5-percent deflection when tested in accordance with ASTM D 2412. Plastic duct fittings shall be constructed of either PVC or high-density polyethylene. Plastic duct and fittings shall be utilized in underground installations only. The maximum design temperature for systems utilizing plastic duct and fittings shall be 150°F (65.6°C).
Our team
Legal Coordinator
Legal Coordinator
Resources & updates
Browse practical legal articles, violation-code tools, city-agency resources, and searchable references without leaving the landing page.
NYC property data, violations, and permits — look up any building by address.
The new DOB NOW: Safety portal is live as of December 15, 2025. Learn the 5 key changes, step-by-step submission process, and how to avoid the 20 common disapproval reasons.
NYC property owners face urgent DOB deadlines: a historic basement legalization program, year-end inspection reports due December 31st, and the new 2025 Electrical Code effective December 21st. Here's what you need to know.
Your complete guide to understanding, navigating, and resolving NYC Department of Buildings violations with confidence. Learn about violation classes, penalties, and resolution strategies.
Need something specific? Search the full resources library for articles, agencies, violation codes, and legal-code references.
Search all resourcesFree case review
Free 15-minute case review with the attorney handling your matter. Same-day response during business hours across all five boroughs — OATH hearings, Housing Court, and real estate closings.
Same-day response
During business hours
Direct attorney access
Same lawyer from intake to close
Flat-fee pricing
On most OATH and closing matters