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Registrant Project Requirements:
Loft Law IMD Work & Inspections

Special Inspections

As per Chapter 17 of the Building Code, a New Building project may require certain Special and Progress Inspections to be performed during and at the end of construction as outlined in the table below. Prior to approval, the Applicant of Record is required to identify all required Special and Progress Inspections (BC 1704.1). Prior to DOB permit issuance, the owner must typically engage a registered Special Inspection Agency (SIA) who will take responsibility for the Special and Progress Inspections. The Applicant of Record may perform these inspections if they are also an SIA. Inspection discrepancies and hazardous conditions shall be reported for correction to the superintendent of construction as well as to the site safety coordinator or site safety manager per BB 2016-006 and 1 RCNY 101-06. Per BC 1704.1.2, the contractor cannot hire the special inspector.

Based on the scope of work, a New Building project may be required to comply with the following Special and Progress Inspection requirements: (See BB 2014-017 for a more comprehensive Table)

Structural Steel

May include steel welding, High Strength Bolting, Cold Formed Steel and Steel Details (BC 1704.3).

Concrete – Cast-In-Place

Required where the total concrete placement on a given project is more than 50 cubic yards or other conditions (BC 1704.4). Also see BC 1905.6 and 1905.3, and 1913.5 and 1913.10

Concrete - Precast

Are subject to Special Inspections in accordance with Section 1704.4.

Concrete - Prestressed

Are subject to Special Inspections in accordance with Section 1704.4.

Masonry

Load bearing masonry, glass unit masonry and masonry veneer shall be inspected and verified in accordance with the requirements of sections 1704.5.1 through 1704.5.3, depending on the structural occupancy category of the building or structure.

Wood – Installation of High-Load Diaphragms

High-load diaphragms shall be installed with special inspections as indicated in Section 1704.6.1.

Wood – Installation of Metal-Plate-Connected Trusses

Metal-plate-connected wood trusses shall be subject to special inspection in accordance with Section 1704.6.2.1 and 1704.6.2.2.

Wood – Installation of Prefabricated I-Joists

Are subject to Special Inspections in accordance with Section 1704.2 and the requirements of Section 2303.1.2 (BC 1704.6.3).

Subgrade Inspection, Subsurface Conditions, Borings and Test Pits

Are subject to Special Inspections in accordance with Section 1704.7.

Deep Foundation Elements

Are subject to Special Inspections in accordance with Section 1704.8.

Helical Piles

Are subject to Special Inspections in accordance with Section 1704.8.5.

Vertical Masonry Foundation Elements

Are subject to Special Inspections in accordance with Section 1704.9.

Wall Panels, Curtain Walls and Veneers

Required for exterior architectural wall panels and the anchoring of veneers designed for installation on buildings above a height of 40 feet. Special Inspection of masonry veneer on such structures shall be in accordance with Section 1704.5 (BC 1704.10).

Sprayed Fire-Resistant Materials

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.

Mastic and Intumescent Fire – Resistant Coatings

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 as per BC 1704.12.

Exterior Insulation and Finish Systems (EIFS)

All EIFS applications installed more than 15 feet above adjacent finished grades shall be in accordance with Section 1704.13.

Alternative Materials

Alternative materials shall be in accordance with 1704.14.

Smoke Control Systems

Smoke control systems shall be tested by a special inspector in accordance with Sections BC 1704.15.1 and 909.

Mechanical Systems

Mechanical systems requiring a certificate of compliance in accordance with AC 28-116.4.1 of the Administrative Code shall be inspected for conformance with the approved construction documents as per BC 1704.16. See Mechanical System Guidelines.

Fuel Oil Storage and Fuel – Oil Piping Systems

Fuel-oil storage equipment, including tanks, pumps, valves,
transfer, return, fill and vent piping, hangers and bracing, fill and vent terminals, and related systems regulated by Section 1308 of the New York City Mechanical Code. See BC 1704.17 for additional information.

High - Pressure Steam Piping (Welding)

High-pressure-steam piping and high temperature hot water piping shall be subject to a special inspection in accordance with BC 1704.18.

High Temperature Hot Water Piping (Welding)

High-pressure-steam piping and high temperature hot water piping shall be subject to a special inspection. See BC 1704.18 for additional information.

High – Pressure Fuel – Gas Piping (Welding)

Per FGC Section 403.1.1, all welded gas distribution piping is subject to a special inspection. See BC 1704.19 for additional information.

Excavations – Sheeting, Shoring and Bracing

Methods employed to protect the sides of excavations shall be subject to Special Inspections in accordance with Sections 1704.20.6 through 1704.20.10.

Underpinning

Underpinning of structures shall be subject to special inspections in accordance with Sections 1704.20.6 through 1704.20.10.

Mechanical Demolition

Where mechanical demolition equipment, other than handheld devices, is to be used in the full or partial demolition of a building from within the building, or is to be used within the building to remove debris or move material, such demolition operation shall be in accordance with BC 1704.20.4.

Soil Percolation Test – Private On-site Storm Water Drainage Disposal Systems and Detention Facilities

Soil percolation tests shall be performed in accordance with BC 1704.21.1.2.

Private On-site Storm Water Drainage Disposal Systems and Detention Facilities Installation

Soil percolation tests shall be performed in accordance with BC 1704.21.2.

Sprinkler Systems

Sprinkler systems shall be inspected in accordance with BC 903 and 1704.23. See Sprinkler project guideline.

See Sprinkler project guideline.

Standpipe Systems

Per NYC Building Code 1704.24, Standpipe systems Special Inspections are required to verify installation of materials, fitting hangers’ assemblies and signage, are per approved documents.

In addition, Special Inspection must ensure that painting of system complies with BC 905.11 and BC 905.11.5. This portion of the inspection may be conducted periodically at incremental stages matching the progress of the work.

Special inspector shall witness all required tests, both Hydrostatic* and flow tests and ensure submission of Form FP 84 to FDNY.

See Standpipe project guideline.

Heating Systems

New heating systems shall be tested in accordance with BC 1704.25. See Mechanical project guideline.

Chimneys

Chimneys shall be subject to a special inspection in accordance with BC 1704.26.

Fire-resistant Penetration and Joists

Special Inspections for penetration of fire-resistant elements and assemblies; and related fire-stops in accordance with Sections 1704.27.1 and 1704.27.2.

Flood Zone Compliance

Special Inspection for flood zone compliance shall be as required by BC Appendix G (G105.3) and BC 1704.29.

Luminous Egress Path Markings

The installation of photo-luminescent egress path markings shall be subject to special inspection in accordance with BC 1704.30. The special inspector shall verify that approved photo-luminescent egress path markings were provided and installed in accordance with department rules and regulations, the approved construction documents, and manufacturer’s instructions.

Emergency and Standby Power Systems (Generators)

Emergency and standby power systems shall be installed in accordance with the New York City Electrical Code, NFPA 110 and NFPA 111, and BC 2702.

See Emergency Power Systems (Generators) guideline.

Footings and Foundation

Footing and foundation inspections shall be made after excavations for footings are complete and any required reinforcing steel and required forms are in place as per BC 110.3.1.

Structural Wood Frame

Inspections shall be performed for wood structural framing to determine compliance with the approved construction documents as per BC 110.3.3

Fire-Resistance Rated Construction

Fire-resistance-rated partitions, floors, ceilings, shafts, and shutters as per BC 110.3.4

Aluminum Welding

The Special Inspections for structural aluminum elements of buildings and structures shall be as required by Section 1704.28.1.

Post-installed anchors

The installation of post-installed mechanical anchors, adhesive anchors, and screw anchors shall comply with Table BC 1704.32. The special inspection shall include the verification of compliance with approved construction documents and standards established by the commissioner pursuant to Section 28-113.2.2 of the Administrative Code and BB 2014-018, BB 2014-019.

Seismic Isolation Systems

There shall be periodic special inspection during the fabrication and installation of isolator units and energy dissipation devices, if used as part of the seismic isolation system as per BC 1707.8 and BC Chapter 16.

Concrete Design Mix

Concrete mix designs shall be in accordance with BC 1905.3 and BC 1913.5 (former TR 3 form).

Concrete Sampling and Testing

Concrete sampling and testing shall be in accordance with BC 1905.6 and BC 1913.1.10 (former TR 2 form).

Preliminary

Preliminary inspections shall be in accordance with AC 28-116.2.1 and BC 110.2

Lowest Floor Elevation

In areas of special flood hazard, upon placement of the lowest floor, including the basement (for flood zone purposes), and prior to further vertical construction, the elevation inspection report required in Item 1 of Section G105.3 of Appendix G shall be submitted to DOB per BC 110.3.2.

Final Inspection

There shall be a final inspection of all permitted work. Final inspections shall comply with AC 28-116.2.4

Energy Code Compliance Inspections

Penetrations through thermal envelope: must be sealed to minimize air leakage as per NYCECC 402.4.2 and C402.4.2

Dampers integral to building envelope: outdoor air dampers must close when system is off

HVAC & Service Water heating equipment: meets sizing and efficiency requirements as per NYCECC Tables C406.2(1) through C406.2(7) and Table C404.2

HVAC & Service Water heating system controls: applicable part-load, reset, temperature controls as per NYCECC C403.2.4 and C404.6

Piping insulation: minimum thickness of 1” to 4.5”, required on piping carrying fluids >105F as per NYCECC Table C403.2.8 and C404.5

Maintenance Information: shall be furnished for installation of new equipment as per NYCECC 303.3 and C303.3

Permanent Certificate: shall list type and efficiency of heating, cooling, and/or service water heating systems as per NYCECC 401.3

Electrical Energy [metering] Consumption: The presence and operation of individual meters or other means of monitoring individual tenant spaces and apartments shall be verified by visual inspection per 1 RCNY 5000-01(h)1 & 2 – IC1, IIC1, & NYCECC C405.7 and 505.7

Required Inspections

During new construction, DOB inspections are required at various stages of completion as well as for final completion. Based on the scope of work, the following inspections from different DOB Inspection Units may be required:

Boiler Inspection – Fuel Storage Boilers

Construction Inspection –

Final Inspection

Completion of Work

Conformance to Code and Approved Drawings

Phased construction, as required for partial occupancy (TCO)

Work Site Safety

Fire Protection

Tenant Protection Plan (TPP)

Work Progress (as required by DOB)

Cranes and Derricks Inspections

Electrical Inspection

Elevator Inspection

Fuel Gas Inspections - including gas piping roughing

Oil Burning Equipment

Plumbing Inspection – Plumbing, Sprinkler and Standpipe work

Final Inspection

Phased construction, as required for partial occupancy (TCO)

Pressure Testing of Piping

Sprinkler and Standpipe Inspection –– Work Progress and Final Inspection

Contractors and property owner shall make sure to schedule and complete all of the required DOB Inspections. Prior to scheduling an inspection, Contractors must:

Confirm that all construction work completed matches the most current approved drawings, and that such drawings are on site

Periodically check that no safety hazards exist on the active construction project.

Confirm that work complies with Code and other requirements.

Confirm that Energy Code requirements are met.

Contractor Self-Certification of Inspections

Contractors have the option to request a DOB Inspection, or submit a self-certification of plumbing work only, for the final inspection and phased work inspections. Contractors opting to self-certify must submit a notice of intent to self-certify with the dates of these self-certified inspections to DOB and must follow-up with the submission of results for self-certified inspections.

The DOB inspection unit conducts a random audit of all self-certified notices to ensure compliance of inspected work with code and regulations.

With respect to contractor self-certification of inspections for plumbing systems, please note that no such inspections are allowed for gas systems, fire pumps, or pressure testing of piping. See the Guidelines of those systems for more information.

Inspection Requests

An online tool for scheduling appointments for required DOB inspections must be used. This system, DOB NOW: Inspections provides the ability to request and cancel appointments online, as well as view inspection results and documentation.

Additional Requirements for Registrant

Loft Law IMD Work & Site Requirements

Loft Law IMD: Allowable Work Without a Registered Design Professional

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Project Phases & Requirements for Registrant

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