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.

This quiz covers essential definitions from NYC Department of Buildings Chapter 33 related to construction and demolition. Each card presents key terms and their meanings, crucial for understanding site safety and regulatory compliance. Perfect for those studying or working in construction in New York City.