Scaffold User in Construction These materials have been

Scaffold User in Construction ►►► These materials have been developed based on applicable federal laws and regulations in place at the time the materials were created. The program is being provided for educational and informational purposes only and does not constitute and is not intended to provide OSHA compliance certification, regulatory compliance, a substitute for any "hands on“ training required by applicable laws and regulations, or other legal or professional advice or services. By accessing the materials, you assume all responsibility and risk arising from the use of the content contained therein. © 2010 Grainger Safety Services, Inc.

Learning Objectives: ► OSHA Standard for Scaffold users, 29 CFR 1926. 454(a) ► Procedures for dealing with Hazards ► Proper use of scaffolds ► Proper material handling

Agenda: ► Overview ► Scaffold types ► Terminology ► Associated hazards ► Proper use ► Your responsibilities

►Section 1 Overview of the Issue

Scaffold Use in Construction Scaffold prevention: ► 4500 injuries annually ► 50 deaths annually ► $90 million in workdays

Categories Three major scaffolds: ► Supported ► Suspended ► Other

What does OSHA have to say? Key elements: ► Fall protection, fall arrest systems ► Guardrail height ► Crossbracing, midrails and footings ► Platforms, guying ties, and capacity ► Training ► Inspections ► Erecting and dismantling

The Competent Person Duties include: ► Select and direct employees ► Determine safe work conditions ► Training ► Inspections

The Qualified Person Duties include: ► Design and load scaffold ► Training ► Design rigging for suspension scaffolds ► Design platforms less than 36”

Engineer Must design: ► Direct connection of mason’s multi-point adjustable suspension scaffolds ► Pole scaffolds over 60 feet tall ► Tube and coupler scaffolds over 125 feet tall

Employee Training includes: ► Electrical, fall, and falling objects hazards ► How to deal with hazards ► Proper use of scaffolds ► Maximum intended load ► Other pertinent information

►Section 2 Types of Scaffolds

Types of Scaffolds: ► Over 25 different types in use ► Most common include fabricated, supported frame or system scaffolds

Types of Scaffolds: ► Plasterers’, decorators, and large area scaffolds ► Bricklayers square scaffolds ► Horse scaffolds ► Form scaffolds ► Roof bracket scaffolds ► Outrigger scaffolds (one level) ► Pump and window jack scaffolds

Types of Scaffolds: ► Step, platform and trestle ladder ► Single point adjustable suspension ► Two point adjustable suspension ► Catenary scaffolds ► Float (ship) scaffolds ► Interior hung scaffolds

Types of Scaffolds: ► Needle beam scaffolds ► Multi-level suspension scaffolds ► Mobile scaffolds ► Repair bracket scaffolds ► Stilts ► Tank builder scaffolds

Types of Scaffolds: ► Many different scaffolds in workplace ► Choice is based on work to be performed ► Erection done only b trained professional

►Section 3 Scaffold Terminology

Scaffold Terminology: ► What is a scaffold? ► What is a platform? ► What is a brace? ► What is a stair tower? ► What is a runner, ledger or ribbon? ► What is a bearer? ► What are mud sills and base plates?

Scaffold Terminology: ► What is a scaffold Competent Person? ► What is a scaffold Qualified Person? ► What is the Maximum Intended Load? ► What is a Rated Load?

►Section 4 Hazards Associated with Scaffold Use

Hazards Associated with Scaffold Use Hazards: ► Electrical hazards ► Falling objects

Electrical Hazards – Overhead Power Lines Clearance for insulated lines: ► <300 v = minimum 3 feet ► 300 v to 50 kv = minimum 10 feet ► >50 kv = 10 feet +. 4 inches for each kv over 50 Clearance for non-insulated lines: ► Less than 50 kv = minimum 10 feet ► >50 kv = 10 feet +. 4 inches for each kv over 50

Fall Hazards Protection: ► Install guardrails ► Employ use of harness and lanyard (personal fall arrest system)

Fall Hazards Guardrail systems: ► Height between 38 and 45 inches ► Withstand 200 pounds of force

Falling Objects Protection Systems Falling objects protection: ► Hard hats ► Toe boards ► Safety screens or guardrails ► Debris nets, catch platforms, or canopy structures

►Section 5 Proper Use of Scaffolds

Proper Use of Scaffolds Basic ground rules: ► Never overload scaffolds ► Always inspect scaffolds prior to use ► Repair, replace, or remove from service ► Competent or qualified individual supervises the erection, installation, repair, or relocation of scaffolds

Basic Safety Issues for Work on Scaffolds Be aware of: ► Weather conditions ► Debris ► Makeshift devices to gain height ► Ladders in use on platforms ► Load within capacity of scaffold

What is Wrong with this Picture? What do you think of this scaffold design? ► Planks not cleated or secured ► No guardrails ► Greater than 14 inch gap between scaffold and building

What is Wrong with this Picture? What do you think? ► No midrails ► No toeboards ► No mesh ► Safety lines not tied to proper anchorage

►Section 6 Your Responsibilities

Your Responsibilities You should: ► Understand power lines within 10 feet ► Appropriate scaffolding inspection ► Properly install mud sills and base plates ► Guardrails and platforms secured in place ► Conditions of decking or planks

Your Responsibilities Also: ► Know the maximum intended load for each unit ► Know debris removal policy while on scaffolds ► Monitor weather conditions ► Worker training