What is Special inspections

NYC Department of Building describes that Special Inspections must be conducted during the construction process to verify that work is being done in accordance to approved plans and specifications. Special Inspections must be performed by Special Inspectors on behalf of a Special Inspection Agency.All Special Inspections in NYC require filing the TR1 forms with DOB NOW. 

Special Inspectors who are performing Special inspections in NYC area related to Sprinkler system,Mechanical system ,Standpipe system file their TR1 form (also called TR-1) online  in the DOB NOW portal and  this has a substitute name as DPL1 form.

Qualification requirements of Special inspectors in NYC

Individuals and organizations performing or supervising the Special inspections in NYC must obtain a Special Inspection Agency Registration Number along with all the Special inspectors hired to perform special inspections must possess certain qualifications as described by Appendix A. The document can be viewed by clicking on the link below https://www1.nyc.gov/assets/buildings/pdf/sep_insp_guide.pdf

Types of Special Inspections in NYC

https://tr1nyc.com/services/
Subgrade Inspection
Subsurface Conditions – Fill Placement & In-Place
Subsurface Investigations (Borings/Test Pits)
Deep Foundation Elements
Helical Piles
Vertical Masonry Foundation Elements
Wall Panels, Curtain Walls, and Veneers
Sprayed fire-resistant material
Mastic and Intumescent Fire-resistant Coatings
Exterior Insulation and Finish Systems (EIFS)
Alternative Materials  – OTCR Buildings Bulletin #
Smoke Control Systems
Mechanical Systems
Fuel-Oil Storage and Fuel-Oil Piping Systems
High-Pressure Steam Piping (Structural Stability – Existing Buildings
Excavations—Sheeting, Shoring, and Bracing
Mechanical Demolition
Underpinning
Soil Percolation Test Private On-Site Storm Water Drainage Disposal – Private On-Site Storm Water
Private On-Site Storm Water Drainage Disposal Systems, and Detention Facilities Installation
Individual On-Site Private Sewage Disposal Systems Installation
Soil Percolation Test – Individual On-Site Private Sewage Disposal Systems
Sprinkler Systems
Standpipe Systems
Heating Systems
Chimneys
Fire-resistant Penetrations and Joints
Aluminum Flood Zone Compliance (attach FEMA elevation/dry
Luminous Egress Path Markings
Emergency and Standby Power Systems (Generators)
Post-installed Anchors (BB# 2014-018, 2014-019)
Seismic Isolation Systems
Concrete Design Mix
Concrete Sampling and Testing
Preliminary
Footing and Foundation
Lowest Floor Elevation
Structural Wood Frame
Energy Code Compliance Inspections
Fire-Resistance Rated Construction
Public Assembly Emergency Lighting
Final