AHA Sample Scaffolding.doc

Activity Hazard Analysis (AHA)

Date Prepared:

Notes: (Field Notes, Review Comments, etc.)

Crane set-up and use are on a separate AHA.

Step 1: Review each “Hazard” with identified safety “Controls” and determine RAC (See above)

H = High Risk

L = Low Risk

General Safety Requirements all Steps

Exposure to Cold or Hot Weather

Dehydration

**Add additional potential hazards for general on site safety requirements. **

The above hazards are not all inclusive and the Site Safety and Health Officer including the Quality Assurance Representative (QAR) shall review the AHAs

Minimum Personal Protective Equipment Dress:

· Long Pants

· Shirts with Sleeves

· Hardhat

· Covered Shoes (Steel Toe Preferred)

· Safety Glasses (Potential Eye Hazard Areas)

Weather:

· Wear appropriate clothing for hot or cold weather.

(List specific clothing or refer to Company quick sheet, SOPs, plan, etc. for specific details)

· Sun block

· Lip balm

Dehydration:

· Drink at least ½ liter of water an hour.

· Refer to Company quick sheet, SOPs, plan, etc. for specific details on heat stress signs and symptoms.

L

1.. Set-Up

1. Back Strain from uploading or moving scaffold components.

2. Lacerations on hands

3. Scaffold failure due to damaged scaffolding components.

4. Struck by mechanized equipment.

**See above “Notes box”**

5. Loss of load.

6. Stuck by suspended loads or material.

7. Electrical Shock

8. Scaffold failure due to improper set-up

1a. Utilize proper lifting techniques.

1b. Size up load before lifting.

1c. Ask for help when lifting heavy items more than 50 lbs.

2. Wear leather gloves.

3a. INSPECT all scaffolding components defects or damage such as cracks, excessive rust, metal fatigue, unauthorized repairs, bent tubing or frame, etc.

· Frames

· Tubing

· Base Plates

· Locking Pins

· Access Ladder

· Planking (Wood or Metal)

· Cross Braces

3b. REMOVE damaged or defective scaffold components immediately.

3c. Attach tag or label “DO NOT USE” on scaffold component.

4a. ALWAYS maintain eye contact with operator of equipment.

4b. NEVER stand behind (Blind Spots) equipment.

4c. NEVER stand near unloading or moving of scaffold components.

4d. ONLY qualified operators shall operate equipment.

5a. Secure loads from displacement with ropes, cables, chains, etc. before movement.

5b. Ensure load to be lifted is secured, balanced, etc.

5c. Keep hands, fingers, or other body parts away from pinch points.

6a. NEVER stand underneath suspended loads.

6b. Use taglines to control loads when elevated.

7a. Check above for overhead power lines.

7b. NEVER erect scaffolding within 10 ft (3 m) of overhead power lines. Refer to EM 385-1-1, Table 11-1 for Minimum Clearance from Energized Overhead Electrical Lines

7c. NEVER string or hang temporary power cords, wires, etc. on metal scaffolding. Consult with Safety Officer.

8a. Inspect ground conditions (level and firm).

8b. Stable base is necessary for proper scaffold assembly.

8c. Scaffold shall be tied into structure when the scaffold height exceeds four times the minimum scaffold base dimension per EM 385-1-1, para 22.B.09 L

L

L

M

M

L

M

2. Scaffold Failure

3. Back Strain

4. Lacerations on hands 1a. 100 percent fall protection required during assembly.

1b. Personnel shall not be exposed to unprotected sides or falls greater than 6 ft (1.8 m).

1c. Scaffolding shall not exceed 14 inches (35.5 cm) from the planking to the face of the building or structure.

1d. Scaffolding more than 14 inches (35.5 cm) from the planking to the face of the building or structure shall be guardrails and/or the use of personal fall protection.

1e. Personnel shall be tied off to a vertical lifeline with a rope grab during assembly of scaffolding.

1f. Vertical lifeline shall be secured to an anchor point of at least 5,000 lbs (2,267.9 kg) per individual.

Develop a site specific Fall Protection Plan IAW EM 385-1-1, para 21.C.01 and refer to EM 385-1-1, Section 21.

1g. Contact Safety Officer for additional guidance on fall protection requirements.

2a. See diagram below and refer EM 385-1-1, Section 22 for specific requirements (i.e., toe boards, guard rails, safe access, etc.)

2b. Scaffolding shall be assembled on mud sills and base plates.

2c. Mud sills shall be at least 2 times the size of the base plates to disperse total weight of scaffolding.

2d. Scaffolding shall be plumb and level.

2e. Working levels shall be fully decked and/or planked.

2f. Planking shall extend over the end supports not less than 6 in (30.4 cm), 2g. Planking shall be secured, supported, or braced to prevent excessive spring or deflection and secured to prevent loosening, tipping, or displacement. Use of tie wire, cleats, etc. are options.

2h. Planking shall overlapped at least 12 inches (30.4 cm) or secured from movement.

2i. Scaffold shall be capable of supporting without failure at least 4 times the maximum anticipated loads.

2j. Scaffolding shall be all required cross, horizontal, or diagonal braces to secure vertical members laterally.

2k. Scaffolding shall be rigid.

3a. Utilize proper lifting techniques.

3b. Size up load before lifting.

3c. Ask for help when lifting heavy items more than 50 lbs.

4. Wear leather gloves.

M

M

L

2. Assembly of Scaffolding

(Diagram)

3. Use of Scaffolding

1. Scaffold Failure

2. Falls from Heights

3. Slips, Trips, or Fall

1a. DO NOT overload more than 4 times the maximum load rating.

1b. DO NOT attached hoists or other material lifting devices without Safety Officer approval.

1c. Scaffolding shall be tied into building whenever height of the scaffold exceeds 4 times the minimal base. Refer to EM 385-1-1, para 22.B.09 for additional guidance.

1d. Scaffold usage shall cease during high winds or severe inclement weather conditions.

2a. Guardrails shall be used as primary fall protection. Guard rails shall installed IAW EM 385-1-1, para 21.B.02.

2b. Securing of personal fall protection devices to scaffolding is prohibited.

2c. Personnel shall have fall protection whenever above 6 ft (1.8 m).

2d. Climbing of braces or cross bracing is prohibited.

2e. Safe access (ladder) shall be provided.

2f. Personnel shall not stand on mid rails.

2g. Ladders shall extend at least 3 ft (0.9 m) past the work area.

3. Walking surfaces on and around scaffolding shall be clear of debris.

M

M

3. Use of Scaffolding

4. Disassembling of Scaffolding

1 Fall from Elevated Heights

The scaffold checklist is not all inclusive of the safety requirements for the assembly, use, and disassembly of scaffolding. Competent Person onsite for work platform safety shall review EM 385-1-1 Safety and Health Requirements Manual, Host Nation safety laws, contract specifications, manufacture specifications, etc. as additional guidance or information for work platform safety.

1a. 100 percent fall protection required during disassembly.

1b. Personnel shall not be exposed to unprotected sides or falls greater than 6 ft (1.8 m).

1c. Personnel shall be tied off to a vertical lifeline with a rope grab during assembly of scaffolding.

1d. Vertical lifeline shall be secured to an anchor point of at least 5,000 lbs (2,267.9 kg) per individual.

Develop a site specific Fall Protection Plan IAW EM 385-1-1, para 21.C.01 and refer to EM 385-1-1, Section 21.

1e. Contact Safety Officer for additional guidance on fall protection requirements.

M

4. Disassembling of Scaffolding

2. Back Strain

3. Lacerations on hands

2a. Utilize proper lifting techniques.

2b. Size up load before lifting.

2c. Ask for help when lifting heavy items more than 50 lbs.

3. Wear leather gloves.

L L

Scaffold components

Hammers

Mud sills

Full body harness

Lanyard

Lifeline

Fall protection anchor points

Float

Crane Electric Hand Tools (Battery type)

Portable Generator

5 Ma GFCIs

Power Cords

Ladders

First Aid Kit

Competent/Qualified Personnel:

Mr. Joe Brown – CP/Scaffolding Mr. Safety Man – QP/First Aid and CPR

Mr. Work Man – QP/First Aid and CPR

Mr. Fall Safety – CP/Fall Protection Mr. Shocker Cord – QP/Electrical

Mr. Lift Boom – QP/Crane Operator

Training Requirements:

Scaffold Assembly

Fall Protection

Inspection of Work Platforms

Heat or Cold Hazards

Daily/Monthly safety toolbox meetings

Inspect scaffold components prior to use

Inspect scaffold daily (Use Checklist)

Inspect level and plumb of scaffoldings during erection and daily when in use.

Daily Housekeeping of work areas and scaffolding

Inspect PPE to include fall protection harnesses and lanyards prior to use.

Inspect fall protection anchor points.

Inspect crane IAW manufacture instructions.

Inspect power cord sets prior to use.

Inspect temporary power panel box, circuit breakers, grounding, etc. at least monthly.

Inspect first aid kit at least monthly.

Daily site safety inspections by SSHO and CQC.