Powered Platforms

Chapter 296-870, WAC

Effective Date: 01/01/07

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Access and egress to platforms, carriages, 870-70010

davits, new installations, 870-70030

outriggers, transportable, 870-70025

supported equipment, 870-70050

Acids, corrosive substances, 870-20030

Anchorages

carriage strength and stability, 870-70015

fall protection, 870-20005

transportable outriggers, 870-70025

Anemometer, 870-20025

Angulated roping and building face rollers,

exemption, 870-60010

stabilization systems, new installations, 870-60025

ANSI requirements

building design, new installations, 870-60005

design and construction, existing installations, 870-50005

electrical, existing installations, 870-50015

Application, chapter scope, 870-100

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Babbitt fastenings, suspension wire ropes, 870-70085

Bolted connections, elevated building maintenance equipment, 870-70005

Brackets, 870-30005

Brakes, hoisting machines, new installations, 870-70035

Braking or locking system, 870-70020

Break-glass receptacle, working platforms, 870-70060

Broken wires, 870-30020

Buildings

design, new installations, ANSI requirements, 870-60005

emergency escape routes, emergency action plan, 870-40010

guides, supported equipment, 870-70080

maintenance, scope, application, 870-100

owners, certifications, 870-20005

parapet, davits, 870-70030

Button guides

stabilization systems, new installations, 870-60020

stabilized working platforms, 870-70070; 870-70075

suspended unit component, 870-70040

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Cable stabilization, 870-60030

Cables, manned platforms, suspended working platforms, 870-70050

Carriages, new installations, 870-70010 - 870-70020

Certification

training, 870-40015

maintenance, 870-20005

Cleaning parts, 870-30005

Climate conditions, design, 870-60005

Cog wheels, supported equipment, 870-70080

Collectors, electrical, 870-50015

Communications

operations, 870-20045

buildings, new installations, 870-60055

Conductors, electrical, 870-50015

Connectors, stabilized working platforms, 870-70075

Contacts and relays, 870-30005

Control circuits, new installations, 870-70090

Control systems

electrical runway conductor system, 870-70090

table 2, periodic inspections and tests, 870-30020

Core failure, 870-30020

Corrosion resistant, stabilization systems, 870-60010

Corrosive substances, 870-20030

Counterweight, carriage strength and stability, 870-70015

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Damage, heat-producing processes, 870-20035

Davits, new installations

access and egress to platform, 870-70030

design and construction, 870-70005

ground rigged, 870-70030

roof rigged, 870-70030

transportable, 870-70030

Definitions, 870-800

Design and construction

existing installations, 870-50005

new installations, 870-70005

Design stability factor, transportable outriggers, 870-70025

Direct connection anchorage, working platforms, 870-70055

Directional sheaves, hoisting machines, 870-70035

Disabled devices, 870-30030

Disconnecting means, 870-50015

Distortion of rope structure, 870-30020

Drive wheels, supported equipment, 870-70080

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Electrical

existing installations, 870-50015

new installations, 870-60035

devices, 870-30030

runway conductor system, 870-70090

Elevated track system, 870-60040

Elevated building maintenance equipment, 870-70005

Emergencies

action plan, 870-40005; 870-40010

electric operating device, 870-70060

stop device, carriage traversing, 870-70020

Equipment

design and construction, 870-70005

failures, emergency action plan, 870-40010

moving, 870-60045

power disconnect switch, new installations, 870-60035

suspension, 870-70005

wind loads, 870-70005

specifications, (note), 870-20005

Exemptions

angulated roping, 870-60010

equipment power circuits, 870-60035

slipping hazards, 870-20020

tie-in guides, 870-60010

Existing installations, all requirements, 870-500-870-50015

Exterior installations, design, 870-60005

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Fall arrest system, working platforms, 870-70055

Fall protection

anchorages, 870-20005

guardrails, 870-50010

personal fall arrest system, 870-20040; 870-50010

roof and other elevated areas, 870-60040

single point suspended working platforms, new installations, 870-70055

Fatigued portions, wire ropes, 870-30025

Field test (note), 870-20005

Flammable liquids, manned platforms, suspended working platforms, 870-70050

Four-point suspended platform, 870-70060

Flooring, platforms, new installations, 870-70050

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Governors and secondary brakes

before use, inspections and tests, table 1, 870-30015

periodic inspections and tests, table 2, 870-30020

Ground rigged

davits, new installations, 870-70030

platforms, new installations, 870-70050

working platforms, 870-70065

Grounded conductors, 870-50015

Guardrails

carriages, new installations, 870-70010

davits, 870-70030

fall protection, 870-50010

guarding roofs, 870-60040

suspended equipment, 870-70045

Guides

buttons, 870-70040

rollers, 870-70040

shoes, 870-70040

tracks, 870-70075

wheels, 870-70080

Guiding members, 870-30005

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Hanging cables, stabilization, new installations, 870-60030

Hazardous conditions, 870-60005

Heat damage, 870-30020

Helpful tool, Typical platform stabilization systems, R-3-5

Heat-producing processes, 870-20035

Hoisting machines, new installations, 870-70035

Hoisting

before use inspections and test, table 1, 870-30015

electrical runway conductor system, 870-70090

rated load, 870-20015

suspended or supported equipment, 870-70035

wire ropes, 870-30025

Horizontal lifeline, working platforms, fall protection, 870-70055

Housekeeping, platforms, new installations, 870-70050

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Ice, 870-20020

Inboard face, 870-60040

Independent electrical circuit, 870-60035

Inspections and tests, 870-20005; 870-30010; 870-30020; 870-30030

Installations

existing, 870-50005 - 870-50015

initial, inspection and tests, 870-30010

new, buildings, 870-600 - 870-60055

new, equipment, 870-700 - 870-70090

davits, 870-70030

Interlock

carriage strength and stability, 870-70015

carriages, 870-70010; 870-70020

Intermittent, stabilized, working platforms, 870-60015; 870-70070

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Lifelines

manned platforms, suspended working platforms, 870-70050

stabilization, new installations, 870-60030

Limit switches, resocketed wire ropes, 870-30025

Lock out, carriages, 870-70010

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Maintenance

equipment, 870-30005

certification, 870-20005

protective devices, 870-30030

Major modifications, inspection and tests, 870-30010

Manned platforms, access gates, suspended working platforms, 870-70050

Manual or automatic braking or locking system, carriage traversing, 870-70020

Manually propelled carriages, 870-70020

Maximum rated speed, manned platforms, suspended working platforms, 870-70050

Midrail, suspended equipment guardrail system, 870-70045

Minimum live load, design and construction, 870-70005

Modifications, inspection and testing, 870-30010

Moving equipment, 870-60045

Multiple controls, carriage traversing, 870-70020

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Neutralizing solution, corrosive substances, 870-20030

New installations, ANSI requirements, building design, 870-60005

New installations, buildings, all requirements, 870-600- 870-60055

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Obstructions and slipping hazards, 870-20020

Operating controls

carriage traversing, 870-70020

suspended working platforms, new installations, 870-70050

Operators, 870-20010

Operator training, 870-40005

Outer wire wear, 870-30020

Outriggers

elevated building maintenance equipment, 870-70005

transportable, new installations, 870-70025

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ABCDEFGHIJKLMNOPQRSTUVWXYZ

Perimeter guarding system, 870-60040

Periodic inspections and tests, 870-30020

Permanent powered platform installations, 870-100

Personal fall arrest system, 870-20010; 870-50010

Personnel, guarding roofs, 870-60040

Personnel requirements, 870-20010

Platforms, new installations

access and egress, 870-70050

button guide stabilized, 870-70075

fall protection, 870-70055

fire prevention, 870-70050

flooring, 870-70050

general requirements, 870-70050

ground rigged, 870-70050

hoist load limits, 870-20015

housekeeping, 870-20020

rate load, 870-20015

slipping hazards, 870-20020

Protective devices, disabling, 870-30030

Potential falling, manned platforms, suspended working platforms, 870-70050

Power

carriages, traversing, 870-70020

circuits, new installations, 870-70090

conductors, 870-50015

failures, emergency action plan, 870-40010

Primary brakes, hoisting machines, 870-70035

Procedures, emergency action plan, 870-40005

Protective devices

carriage traversing, 870-70020

maintenance, 870-30030

new installations, 870-70090

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Quick connect, disconnect device, 870-70070

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Rated loads

platform and hoist load limits, 870-20015

transportable outriggers, 870-70025

Registered professional engineer, design and construction, 870-70005

Related building supporting structures, periodic inspections and tests, table 2, 870-30020

Repair and maintenance

building, new installations, 870-60050

equipment, new installations, 870-60045

Reshackling, wire ropes, 870-30025

Resocketing, wire ropes, 870-30025

Roof carriage system, carriage strength and stability, 870-70015

Roof-rigged davits, new installations, 870-70030

Roof and other elevated areas, fall protection, 870-60040

Roof systems, maintenance, 870-30005

Rope connections

babbitted fastenings, suspension wire ropes, 870-70085

wire ropes, 870-30025

Rope deterioration, 870-30020

Rotating davits, 870-70030

Runway conductor systems, 870-50015

Rusting and pitting, 870-30020

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Safety devices, 870-30030

Scope, chapter application, 870-100

Secondary wire rope suspension system, new installations, 870-70055

Self-closing and self-latching, carriages, 870-70010

Sheaves, hoisting machines, 870-70035; 870-70085

Shoes, supported equipment, 870-70080

Single-point suspended, working platforms, 870-70055

Slip-resistant flooring, suspended working platforms, 870-70050

Snow, 870-20020

Slipping hazards, 870-20020

Stabilization

carriages, new installations, 870-70015

helpful tools, R1-R3

lifelines, new installations, 870-60030

platforms, new installations, 870-70050; 870-70070

systems, 870-60010 - 870-60025

Stability factor

carriage strength and stability, 870-70015

electrical runway conductor system, 870-70090

Stabilizer ties, 870-20020

Stall load, hoisting machines, new installations, 870-70035

Strength, carriages, new installations, 870-70015

Strength and stability, suspended equipment, 870-70040

Structural stops and curbs, carriage traversing, 870-70020

Supported equipment, new installations, 870-70080

Suspended equipment, new installations, 870-70040

Suspended working platforms, slip-resistant flooring, 870-70050

Suspension wire ropes

before use, inspections and tests, table 1, 870-30015

connections, 870-70085

periodic inspections and tests, table 2, 870-30020

transportable outriggers, 870-70025

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Table 1, before use inspection and tests, 870-30015

Table 2, periodic inspections and tests, 870-30020

Tanks, manned platforms, suspended working platforms, 870-70050

Test data (note), 870-20005

Testing and inspection, 870-300 - 870-30030

Tie-back rope, transportable outriggers, 870-70025

Tie-down devices

carriage strength and stability, 870-70015

design, 870-60005

Tie-in guides

design, 870-60005

exemption, 870-60010

stabilization system, 870-70025 - 870-70030

Toeboard

fall protection, 870-50010

suspended equipment guardrail system, 870-70045

Tools, manned platforms, suspended working platforms, 870-70050

Top guardrail, suspended equipment guardrail system, 870-70045

Top rails, fall protection, 870-50010

Traction drums, hoisting machines, 870-70035; 870-70085

Training, 870-40005; 870-40015

Transportable,

davits, new installations, 870-70030

outriggers, 870-70025

Traversing controls, carriages, new installations, 870-70020

Two-point and four-point suspended working platforms,

emergency electric operating device, 870-70060

fall protection, 870-70055

Type b-c portable fire extinguisher, 870-70050

Typical platform stabilization systems, examples R-3-5

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ABCDEFGHIJKLMNOPQRSTUVWXYZ

Valley break, 870-30020

Verifications (note), 870-20005

Visual presentation, (note), 870-40005

Voice communications, 870-20045

Voltage drop, electrical, 870-60035

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ABCDEFGHIJKLMNOPQRSTUVWXYZ

Walkway, guarding roofs, 870-60040

Water, manned platforms, suspended working platforms, 870-70050

Weather conditions, 870-20020; 870-20025; 870-70040

Width, platform, new installations, 870-70050

Wind loads, equipment, new installations, 870-70005

Wind speed, velocities, 870-20025

Winding drum, hoisting machines, new installations, 870-70035; 870-70085

Wire rope

connections, new installations, 870-70085

heat damage, 870-20025

inspection and testing, 870-30020

reshackling, 870-30025

resocketing, 870-30025

suspension, new installations, 870-70085

Wiring and equipment, electrical, 870-50015

Work procedures, 870-40005

Working order, 870-30005

Working on platforms

before use inspections and tests, table 1, 870-30015

davits, 870-70030

fall protection, 870-70055

guarding roofs, 870-60040

manned platforms, supported equipment, 870-70050

obstructions and slipping hazards, 870-20020

periodic inspections and tests, table 2, 870-30020

personnel requirements, 870-20010

suspended unit component, 870-70040

transportable outriggers, 870-70025

two-point and four-point suspended, 870-70060

Written certifications, 870-20005

 

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