NYC DOB Chapter 33 Definitions Flashcards

Accident

• Occurs due to construction or demolition activities causing fatalities or injuries to the public or workers.
• Includes structural or material failures and falls outside buildings.

Adjustment (Scaffold)

• Refers to modifications of scaffold components without categorizing as installation, removal, or ordinary use.

Alteration

• Involves any changes to existing buildings, such as additions, renovations, or changes in use.

Architect

• A professional licensed to practice architecture in New York State.

Articulating Boom Crane

• A lifting machine with a folding boom, operated by hydraulic cylinders for load movement.

Axis of Rotation

• The vertical axis around which a crane superstructure rotates.

Axle

• The spindle around which a wheel rotates, including components such as gearing and differential in cranes.

Base (Mounting)

• The platform for mounting the rotating superstructure of a crane.

Bearer (Putlog)

• A horizontal scaffold member that supports the scaffold platform and connects to uprights.

Boom

• A structural element supporting the load-lifting mechanism and associated cables.

Boom Point

• The outer end of the boom where the hoist sheave assembly is located.

Brake

• A device for controlling or stopping the motion of equipment.

Bucket Hoist

• An equipment mechanism for raising/lowering materials using a suspended bucket.

Cableway

• A system for moving loads horizontally along overhead cables.

Certificate of Approval

• Issued after engineering and testing of hoisting equipment to ensure code compliance.

Certificate of Operation

• An annual certificate following satisfactory inspection of hoisting equipment.

Certificate of On-site Inspection

• Based on site-specific approval of hoisting equipment usage and setup.

Clamshell

• A type of shovel bucket that clamps shut when lifted, used for handling materials.

Climbing/Jumping

• Adjusting tower or climber cranes to different levels in construction.

Commercial Truck Mounted Crane (Boom Truck)

• A crane on a commercial truck chassis, capable of lifting and hauling loads.

Competent Person

• An individual who can identify hazards and take corrective actions on site.

Concrete Washout Water

• Wastewater from rinsing concrete-related equipment, with specific exceptions for small quantities.

Construction

• Refers to activities including excavation, erection, and repairs of buildings.

Corner Scaffold (Angle Scaffold)

• A scaffold configuration designed to fit around building projections or corners.

Counterweight

• Provides additional weight for machine stability during lifting operations.

Crane

• A power-operated machine for lifting and lowering loads using wire rope.

Crawler Crane

• A crane with a rotating superstructure mounted on crawler treads for mobility.

Critical Pick

• High-risk lifting operations involving heavy or asymmetrical loads.

Debris

• Waste or discarded materials from construction or demolition activities.

Debris Net or Netting

• Mesh netting designed to capture falling tools and materials.

Demolition

• Involves full or partial dismantling of structures.

Derrick

• A hoisting apparatus with a mast, used for lifting and lowering loads.

Dewatering

• Removing excess water from a site through pumping or evaporation.

Direct and Continuing Supervision

• Oversight by a licensed individual ensuring safe operation and compliance on job sites.

Direct Employ

• Status of individuals actively employed by a licensee or agency, evidenced by payroll records.

Dismantling

• The systematic disassembly of crane components.

Drum

• The cylinder around which a rope is wrapped for lifting operations.

Engineer

• A licensed professional authorized to practice engineering in New York State.

Equipment

• Tools and machinery used for construction and demolition.

Erection

• The process of assembling crane components on site.

Excavation

• Removal of earth, excluding incidental removal during other operations.

Guardrail System (Scaffold)

• A barrier system to prevent falls from scaffolding platforms.

Guy

• A rope used to stabilize or secure cranes and structures.

Handheld Device (Demolition)

• Equipment operated manually for demolition tasks, excluding remote-controlled tools.

Heavy Duty Scaffold

• A scaffold designed to support substantial loads of up to 75 pounds per square foot.

Heavy Duty Sidewalk Shed

• A shed capable of supporting at least 300 pounds per square foot.

Historic Structure

• Buildings designated as landmarks or listed on historic registers.

Hoisting Equipment

• Equipment for lifting personnel or materials with intermittent motion.

Hoisting Machine

• Power-operated machines for lifting loads, excluding elevators.

Hoisting Mechanism

• The systems involved in raising and lowering loads using a drum and wire rope.

Industrial Rope Access

• Techniques using ropes for ascent, descent, or traversal without window washing.

Installing/Installation/Install

• The initial or subsequent setup of scaffolding.

JIB

• An extension of a boom for added lifting capacity.

Jump (Jumping)

• Adding or removing sections from an erected crane.

Lay

• Measurement representing the helical convolutions of wire rope.

Light Duty Scaffold

• A scaffold supporting lighter loads of up to 25 pounds per square foot.

Light Duty Sidewalk Shed

• Designed to support a minimum of 150 pounds per square foot.

Load (Working)

• The total weight on cranes, including all attachments.

Load Ratings

• Manufacturer-established crane ratings based on safety standards.

Load Rating Chart

• A comprehensive guide to a crane's load capacities under varying conditions.

Lower Load Block

• The assembly connecting hooks or shackles to the hoisting ropes.

Maintenance (Scaffold)

• Regular upkeep ensuring scaffolding components are safe and functional.

Major Building

• Structures with significant height or footprint as defined by specific criteria.

Mast Climber

• A powered device with an elevating platform for vertical movement.

Material Handling Equipment

• Platforms or machines for transporting materials on construction sites.

Material Hoist (Material Hoisting Equipment)

• Equipment for vertically lifting materials during construction activities.### Mechanical Demolition Equipment
• Used for physically demolishing buildings or structures, or elements thereof.
• Mechanically powered; does not include equipment for moving debris outside the structure.

Medium Duty Scaffold

• Supports loads up to 50 pounds per square foot (244.1 kg/m²).
• Designed to accommodate certain workers and moderate materials like brick and pipe.

Minor Alterations

• Involves changes to a building without affecting health, fire, or structural safety.
• Excludes additions and any significant modifications.

Mobile Crane

• Includes commercial truck mounted, crawler, and wheel mounted cranes.
• Can be controlled from multiple or single stations.

Mobile Scaffold

• Portable scaffolding that can be powered or unpowered.
• May be caster, track, or wheel-mounted.

Multipoint Adjustable Suspended Scaffold

• Platform suspended by more than two ropes from overhead supports.
• Equipped with mechanisms for raising and lowering the platform.

Ordinary Repairs

• Involves replacement or renewal of existing work using same or equivalent materials.
• Must not affect health or safety; includes plumbing fixture repairs.

Outrigger (Crane)

• Fixed or extendable supports attached to a crane's base.
• Enhance stability by resting on external supports.

Outrigger (Scaffold)

• Structural member of a scaffold that widens the base for stability.

Outrigger Beam (Thrustout)

• Provides support for the scaffold by extending its attachment point away from the structure.

Outrigger Scaffold

• A supported scaffold with a platform resting on outrigger beams, secured within the building.

Personnel Hoist

• Mechanism for moving workers or materials vertically within a structure.
• Uses a car that operates on guide members.

Platform

• An elevated work surface made from wood planks or fabricated decks.

Power Buggies

• Automotive vehicles designed for material transport at construction sites.
• Excludes standard automobiles or trucks.

Qualified Person

• An individual with recognized credentials or substantial experience to address project-related issues.

Registered Design Professional

• Defined as an architect or engineer.

Removing/Removal/Remove (Scaffold)

• The process of disassembling scaffolding in a specific sequence.

Repair (Scaffold)

• Restoration of scaffolding to a safety-compliant condition post-wear or damage; includes part replacement.

Replacement (Scaffold)

• Involves substituting parts with identical or similar components to restore scaffold integrity.

Rope

• Made of twisted or braided strands of fiber or metal wire.

Runback Structure

• A temporary support system connecting hoistways to parent structures, handling vertical and horizontal loads.

Safety Netting System

• Comprises vertical or horizontal nets designed to catch debris; includes structural components.

Scaffold

• A temporary elevated platform used for supporting workers and materials, with various types including supported and suspended scaffolds.

Scaffold Controlling Entity

• The contractor or entity responsible for the scaffold site.

Single-Point Adjustable Suspended Scaffold

• Platform suspended by one rope with the ability to adjust the height.

Soil and Foundation Work

• Covers excavation, grading, and foundation work involving soil or rock.

Standard Guardrail System (Scaffold)

• Defined within a specific scaffolding safety section.

Stripping Operations

• Involves the removal of concrete formwork components from the flooring.

Structural Net (Structural Netting)

• System of nets meeting specific safety testing standards.

Superstructure

• Refers to the top frame of a crane or machine that allows for operational functions.

Supported Scaffold

• Platforms held up by various structural supports including poles and prefabricated frames.

Suspended Scaffold

• Platforms hung by ropes from an overhead structure for elevated work.

Suspended Scaffold Foreman

• A person supervising suspended scaffold operations under licensed professionals.

Sustained Wind

• Defined as winds averaging for one minute or longer over a one-hour period.