Height Work Safety
HIGH INCIDENCES OF FATAL ACCIDENTS WHILE WORKING AT HEIGHT Miscellaneous 08% Transport vehicle 16% Electrocution 11% Fall of Object Fall of Person 57 % 08%
Ways to prevent accident while working at HEIGHT A. Fall Prevention :- by analyzing. Approach Risk Work area Risk Work method Risk 3M Risk B. Fall Protection :- Using PPE’s -Safety Helmet. -Safety Harness. Safety Net. Fall Arrester - Different type fall arresting Gadgets.
FALL PREVENTION METHODS WORKING AT HEIGHT FALL PREVENTION METHODS
LADDERS Angle of Inclination Extension off landing
LADDER PORTABLE BUILT-UP / FIXED ROPE If the only means of doing the task is using a ladder. PORTABLE STOCK (SINGLE) EXTENSION (2 or 3) SECTIONAL STEP (FLAT STEP) TRESTLE (CIRCULAR) BUILT-UP / FIXED ROPE
Few Do’s & Don’ts
Few Do’s & Don’ts Rails must be able to withstand a force of 75kgs. /mt. Do not use the top or top step of a stepladder as a step
Few Do’s & Don’ts Advent to electrical supply. Nonconductive siderails such as wood or fiberglass.
SCAFFOLD
Scaffolding SCAFFOLD NOMENCLATURE INDEPENDENT SCAFFOLD PUTLOG SCAFFOLD. MOBILE SCAFFOLD. TRUSS-OUT SCAFFOLD TRESTLE SCAFFOLD BIRDCAGE SCAFFOLD SLUNG SCAFFOLD CANTILEVER SCAFFOLD SUSPENDED SCAFFOLD
Right Method of Scaffolding Erect First Tower – Adjust and ensure the top level is same. Connect all pin bracing
Right Method of Scaffolding
DOKA SCAFFOLDING Welded frames – place alternate. Connect all towers with spring lock pin. From second tower onwards, use safety belt, walkway platform. The units – lift by good quality PP rope. Bracing of towers – at every 6M . also applicable for stair tower also.
Right Method of Scaffolding 200 mm Minimum 1500 mm Minimum
MOBILE SCAFFOLD
Access & egress in heavy duty tower (HDT) system:
Few Do’s & Don’ts
WORKING PLATFORM
Working Platform
WORK-PLATFORM 600 mm WHEN USED FOR PERSON 800 mm WHEN USED FOR PERSON & MATERIAL OVERHANG minimum 50 mm maximum 4 times the thk of the board. Allowable max. span between supports 1.5” thick plank 1.5 m 2” thick plank 2.6 m
Guardrails Top rails between 900mm ht. Toeboards at least 150 width Mid- Rail Toeboard Top rails between 900mm ht. Toeboards at least 150 width
Scaffold Inspection Competent person inspects On receipt, before use and weekly after installation Red tag & Green Tag Procedure –PM-08-A3 Deformed bearer
SCAFFOLD INSPECTION
OPENINGS Covered or Guarded .
View of opening from Top View of opening from bottom
Gate for Lift Shaft Door Opening
Few Do's & Don’ts
Openings at the sides of the rubbish chute that are not barricaded Open Sides a building that are not barricaded Lift shaft openings which are not barricaded Floor Openings without cover or barricades Stairways without railings.
Workers may fall thru and get injured. Debris and other materials may fall through uncovered openings.
Unprotected sides and edges must have guardrails or equivalent Unprotected Sides & Edges Unprotected edge Unprotected sides and edges must have guardrails or equivalent
Sides & Edges - Improper Guarding This 1/4" nylon rope alone is not a proper way to guard this open floor
MAN BASKET SWL displayed Bridle Hitch. Included angle between the slings not than 90o . Factor of safety - 10. Daily Inspection Lanyard hooked to crane hook
Work at Height Lifeline Pipe-rack
WORKING AT HEIGHT FALL PROTECTION METHODS
SAFETY EQUIPMENT & DEVICES
Full Body Harness For more than 2.0 m height. Lanyard to be anchored to a fixed point. Free-fall not to exceed 1.80m Lanyard not more than 2m.
FULL BODY SAFETY HARNESS
LIFE LINE It is a static line Used while moving at height. PP rope of 25 mm minimum or 8 mm wire rope. Must facilitate shifting of lanyard.
USE OF LIFE LINE
Safety Line Anchorages Must be independent of any platform anchorage and capable of supporting at least 5,000 lbs. per worker
Floor Edge Barricades