General contractors, developers, and site safety managers in New York City operate under the strictest municipal construction safety codes in the nation. The NYC Department of Buildings (DOB) aggressively inspects job site perimeters, issuing immediate stop-work orders for missing or non-compliant project signage.
1. Mandatory Construction Signs Under NYC DOB Chapter 33
1. Project Information Panels (PIP) — Local Law 47 of 2013
Mandatory for all new building projects and major structural alterations. Must be mounted to the green plywood construction fence or sidewalk shed parapet at a height between 4 and 6 feet above sidewalk grade.
2. General Contractor Identification Sign (§ 3301.9.1.2)
Displays the general contractor’s legal business name, registered address, and a 24-hour working telephone number where an authorized representative can be reached in emergency situations.
3. OSHA Site Safety Hazard Warnings
Standardized ANSI Z535 danger notices posted at all site entrance gates: “Danger: Construction Area — Hard Hats, Safety Glasses & Work Boots Required — Authorized Personnel Only.”
4. Sidewalk Shed & Scaffolding Contractor Signs
Must state the scaffolding contractor’s name, license number, and the DOB sidewalk shed permit expiration date.
2. NYC DOB Project Panel Layout Specifications
| Sign Requirement | Major Project (New Building) | Minor Project / Demolition |
|---|---|---|
| Dimensions | 54” Wide x 36” High | 36” Wide x 24” High |
| Substrate Material | 3mm–4mm Aluminum Composite (Dibond) | Rigid PVC or 0.080” Aluminum |
| Rendering Box Size | Minimum 24” x 18” Full Color | Optional for minor work |
| Protective Coating | Anti-Graffiti UV Matte Overlaminate | UV Clear Coat |
Fast 24-Hour Job Site Delivery in NYC
SignsRiver fabricates official DOB construction signs, project information panels, and scaffolding mesh banners with same-day proofing and delivery across all 5 boroughs. Contact SignsRiver.