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We provide special inspections in all five boroughs of the NYC area. Are you looking for a quote for New Building or your alteration type-2 and alteration type-3 projects? Or just want to compare the price you just received from one of your vendors. Let us help you to find how much extra your vendor is charging. Feel free to use our special inspection price calculator. Enter the required information and get the quote. If you agree with our prices you can email us the price we provided in this cost calculator and let us help you to build your next project. To access the calculator click on the link below.
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
Details: A special inspections category in TR1 form which is required item for most of structural steel related inspections. The special inspector shall perform an inspection of the steel frame to verify compliance with the details shown on the approved construction documents, such as bracing, stiffening, member locations and proper application of joint details at each connection, including connections designed for seismic effects. Majority of steel alteration work requires special inspections in nyc area for this category.
Structural steel welding: Welding inspection and welding inspector qualification for structural steel shall be in accordance with AWS D1.1.Majority of steel alteration work requires special inspections in nyc area for this category.
High Strength Bolting: Majority of steel alteration work requires special inspections in nyc area for this category. Installation of high-strength bolts shall be inspected in accordance with this section and AISC 360.Exceptions are applied to this rule. Depending on situation bolting inspection can be periodic or continuous.
Cold Formed Steel: Some of steel alteration work requires special inspections in nyc area for this category. Special inspections for prefabricated and site built cold-formed steel light-frame construction and assemblies shall be as required by this section and Table 1704.3.4. The special inspector shall verify the size, quality, framing, erection, and both temporary and permanent bracing.
Cast-In-Place Concrete: Not all alteration work requires special inspections in nyc area for this category. The special inspections and verifications for concrete construction shall be as required by section 1704.4 and Table 1704.4 of chapter 17 of NYC Building code.
Precast Concrete: Not all alteration work requires special inspections in nyc area for this category.
Concrete – Prestressed: Not all alteration work requires special inspections in nyc area for this category.
Masonry: Not all alteration work requires special inspections in nyc area for this category. Masonry construction shall be inspected and verified in accordance with the requirements of Sections 1704.5.1 through 1704.5.3 of the NYC Building code, depending on the structural occupancy category of the building or structure.
Subgrade Inspection: Not all alteration work requires special inspections in nyc area for this category. Immediately prior to placement of the footings, foundations, fill or other supporting materials the special inspector shall determine that the site has been prepared and is in accordance with the approved geotechnical report.
Subsurface Conditions – Fill Placement & In-Place: Not all alteration work requires special inspections in nyc area for this category. During placement and compaction of the fill material, the special inspector shall determine that the material being used and the maximum lift thickness comply with the approved geotechnical report, as specified in Section 1803.5.
Evaluation of In-Place Density(1704.7.3)
The special inspector shall determine, at the approved frequency, that the in-place dry density of the compacted fill complies with the approved geotechnical report.
Subsurface Investigations (Borings/Test Pits): Not all alteration work requires special inspections in nyc area for this category. Boring and test pit operations shall be subject to continuous special inspection to verify compliance with Section 1802. Soil sample recovery operations for test pits shall be subject to continuous special inspection to verify compliance with Section 1802.
Deep Foundation Elements: Not all alteration work requires special inspections in nyc area for this category. The installation of deep foundation elements shall be subject to special inspections. A special inspector shall be present continuously during the installation of each deep foundation element, and also shall be present continuously for all required testing of deep foundation elements. The special inspection agency shall submit to the commissioner records of the installation of each deep foundation element, and where testing is required, the special inspection agency shall also submit records of the testing.
Helical Piles: Not all alteration work requires special inspections in nyc area for this category. Special inspections shall be performed continuously during installation of helical pile foundations. The information recorded shall include installation equipment used, pile dimensions, tip elevations, final depth, final installation torque and other pertinent installation data as required by the registered design professional of record. The approved geotechnical report and the construction documents prepared by the registered design professional and standards established by the commissioner pursuant to Section 28-113.2.2 of the Administrative Code shall be used to determine compliance.
Vertical Masonry Foundation Elements: Not all alteration work requires special inspections in nyc area for this category. Special inspection shall be performed in accordance with Section 1704.5 for vertical masonry foundation elements.
Wall Panels, Curtain Walls, and Veneers: Not all alteration work requires special inspections in nyc area for this category. Special inspection is required for exterior architectural wall panels and the anchoring of veneers designed for installation on buildings above a height of 40 feet (12 192 mm). Special inspection of masonry veneer on such structures shall be in accordance with Section 1704.5.
Sprayed fire-resistant material: Not all alteration work requires special inspections in nyc area for this category. Special inspections for sprayed fire-resistant materials applied to floor, roof and wall assemblies and structural members shall be in accordance with Sections 1704.11.1 through 1704.11.7.
Special inspections shall be based on the fire-resistance design as designated in the approved construction documents. The tests set forth in this section shall be based on samplings from specific floor, roof and wall assemblies and structural members.
Special inspections shall be performed after the rough installation of electrical, automatic sprinkler, mechanical and plumbing systems and suspension systems for ceilings, where applicable. Read more.
Mastic and Intumescent Fire Resistant Coatings: Not all alteration work requires special inspections in nyc area for this category. Special inspections for mastic and intumescent fire-resistant coatings applied to structural elements and decks shall be in accordance with AWCI 12-B. Special inspections shall be based on the fire-resistance design as designated in the approved construction documents. Click here
Exterior Insulation and Finish Systems (EIFS): Not all alteration work requires special inspections in nyc area for this category. Special inspections shall be required for all EIFS applications installed more than 15 feet (4572 mm) above adjacent finished grades and alterations to existing EIFS installations more than 15 feet (4572 mm) above adjacent finished grades.
Alternative Materials – OTCR Buildings Bulletin # : Not all alteration work requires special inspections in nyc area for this category.
Smoke Control Systems: Not all alteration work requires special inspections in nyc area for this category. Smoke control systems shall be tested by a special inspector in accordance with Sections 1704.15.1 and 909.To read more about this click here.
Mechanical Systems: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about Mechanical system inspection.
Fuel-Oil Storage and Fuel-Oil Piping Systems: Not all alteration work requires special inspections in nyc area for this category. Read more
High-Pressure Steam Piping Welding: Not all alteration work requires special inspections in nyc area for this category. Click here to read more about high pressure steam piping welding.
High temperature hot water piping welding: Click here to learn more about it.
Structural Stability – Existing Buildings: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about it.
Excavations—Sheeting, Shoring, and Bracing: Not all alteration work requires special inspections in nyc area for this category.
Mechanical Demolition: Not all alteration work requires special inspections in nyc area for this category.
Underpinning: Not all alteration work requires special inspections in nyc area for this category.
Soil Percolation Test: Not all alteration work requires special inspections in nyc area for this category.
Private On-Site Storm: Not all alteration work requires special inspections in nyc area for this category.
Water Drainage Disposal – Private On-Site Storm Water: Not all alteration work requires special inspections in nyc area for this category.
Private On-Site Storm Water Drainage Disposal Systems, and Detention Facilities Installation: Not all alteration work requires special inspections in nyc area for this category.
Individual On-Site Private Sewage Disposal Systems Installation : Not all alteration work requires special inspections in nyc area for this category.
Soil Percolation Test – Individual On-Site Private Sewage Disposal Systems: Not all alteration work requires special inspections in nyc area for this category.
Sprinkler Systems: Not all alteration work requires special inspections in nyc area for this category. Learn more about Sprinkler system inspection by clicking here.
Standpipe Systems: Not all alteration work requires special inspections in nyc area for this category. Learn more about standpipe system special inspection by clicking here.
Heating Systems: Not all alteration work requires special inspections in nyc area for this category. Learn more about Heating system
Chimneys: Not all alteration work requires special inspections in nyc area for this category. Learn more about this inspection by clicking here.
Fire-resistant Penetrations and Joints: Not all alteration work requires special inspections in nyc area for this category. Read more about Fire resistant penetration and joints by clicking here.
Aluminum Welding: Not all alteration work requires special inspections in nyc area for this category. Read about Aluminum welding inspection by clicking here.
Flood Zone Compliance: Not all alteration work requires special inspections in nyc area for this category. Learn more about Flood zone compliance.
Luminous Egress Path Markings: Not all alteration work requires special inspections in nyc area for this category. Read more about it.
Emergency and Standby Power Systems (Generators): Not all alteration work requires special inspections in nyc area for this category. Learn more about Emergency Generator by clicking here.
Post-installed Anchors (BB# 2014-018, 2014-019): Not all alteration work requires special inspections in nyc area for this category.To read more about this click the link
Seismic Isolation Systems: Not all alteration work requires special inspections in nyc area for this category. Click here to learn
Concrete Design Mix: Not all alteration work requires special inspections in nyc area for this category.
Concrete Sampling and Testing: Not all alteration work requires special inspections in nyc area for this category.
Preliminary: Not all alteration work requires special inspections in nyc area for this category. Click here to read more about it.
Footing and Foundation: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about it.
Lowest Floor Elevation: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about this category of inspection.
Structural Wood Frame: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about it.
Energy Code Compliance Inspections: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about it.
Fire-Resistance Rated Construction: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about it.
Public Assembly Emergency Lighting: Not all alteration work requires special inspections in nyc area for this category. Click here to learn more about it.
Final(D-14)Inspection: Click here to read more about it.