fabrication installation of concrete
RA-2026-n8ceZnjk UR - Under Review📄 Document Management
Upload documents for different statusesClick or drag to upload document for UR status
Supported: PDF, DOC, DOCX, Excel (Max 10MB)
No documents uploaded yet
Risk Assessment Matrix
| SN | Activity | Hazard | Consequence | Groups Exposed | Controls | Initial Risk | Additional Controls | Residual Risk | Actions |
|---|---|---|---|---|---|---|---|---|---|
| 1 |
Complete HDPE Duct Infill
|
1. Vehicle movement and traffic hazards
2. Manual handling during loading/unloading
3. Uneven ground conditions
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
1. Implement traffic management plan
2. Designated walkways
3. Mandatory PPE
4. Speed limit enforcement
|
P
3
×
S
3
9
|
1. Comply with ADOSH SF CoP 27.0
2. Daily vehicle inspection
3. Toolbox talk
|
P
2
×
S
2
4
|
|
| 2 |
Site mobilization and setup of temporary
|
Passing high-speed public traffic and moving site vehicles
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Approved TTM plan, high-visibility clothing (Class 3), physical water-filled/concrete barriers, advanced warning signs, and trained flagmen.
|
P
3
×
S
3
9
|
Deployment of Truck Mounted Attenuators (TMA) and enforcement of reduced speed limit zone in coordination with local traffic authorities.
|
P
2
×
S
2
4
|
|
| 3 |
Trench excavation and sub-surface ground preparation
|
Accidental strike on existing buried live electrical cables or gas utilities
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Utility mapping review, CAT & Genny cable avoidance scanning, and manual trial pits (pot-holing) prior to mechanical excavation.
|
P
3
×
S
3
9
|
Mandatory Permit to Dig system, use of insulated hand tools near identified utilities, and continuous competent supervision.
|
P
2
×
S
2
4
|
|
| 4 |
Uncoiling, handling, and positioning HDPE pipe
|
Sudden release of stored mechanical spring energy in coiled HDPE pipe
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Use of specialized pipe reeler/uncoiler frame, controlled strap cutting procedures, and establishing exclusion zones.
|
P
3
×
S
3
9
|
Mandatory deployment of safety restraints/bands before unstrapping and wearing high-impact resistant safety glasses and gloves.
|
P
2
×
S
2
4
|
|
| 5 |
HDPE pipe jointing via electrofusion and
|
High-temperature heating elements, hot molten plastic, and portable electrical generators
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Certified welding equipment, RCD-protected generators, heat-resistant safety gloves, and portable fire extinguishers nearby.
|
P
3
×
S
3
9
|
Hot Work Permit implementation, provision of localized exhaust ventilation or respiratory protection (FFP3) in confined areas.
|
P
2
×
S
2
4
|
|
| 6 |
Entry into underground chambers and manholes
|
Hazardous atmosphere (oxygen deficiency, toxic gases like H2S/methane), engulfment, or fall from height
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Confined Space Entry Permit, pre-entry 4-gas atmospheric testing, forced air ventilation, and tripod rescue system with harness.
|
P
3
×
S
3
9
|
Continuous multi-gas monitoring during entry, dedicated trained top-person/standby monitor, and verified emergency rescue plan.
|
P
2
×
S
2
4
|
|
| 7 |
Mechanical winch pulling of HDPE sub-ducts
|
High-tension winch wire snap, rotating capstans, and pinch/nip points
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Properly rated winching wire with calibrated weak-link swivel, emergency stop switches, and safety guards over rotating parts.
|
P
3
×
S
3
9
|
Integrated load monitoring with automatic shut-off at peak tension limits and strict exclusion zones along the tension line.
|
P
2
×
S
2
4
|
|
| 8 |
Duct proving (mandrel testing) and air
|
Uncontrolled high-pressure compressed air release and projectile ejection of foam pig or mandrel
|
Personal injury, property damage
|
Site Personnel, Subcontractors, Public
|
Calibrated pressure relief valves, secure containment/catcher cage at receiving duct end, clear exclusion zone enforcement.
|
P
3
×
S
3
9
|
Mandatory Pressure Testing Permit, full-face protection shields for operators, and calibrated double-gauge manifolds.
|
P
2
×
S
2
4
|
|
| 9 |
Underground Utility Surveying and Cable Detection
|
Encountering hidden live underground power cables or buried utilities during survey and marking
|
Electrocution, severe electrical arc burns, flash injuries, localized power grid disruption
|
Land Surveyors, Civil Engineers, HSE Inspectors, Groundworkers
|
Obtain valid Permit to Work (PTW) and Excavation Permit; Review cable route drawings; Perform CAT and Genny electromagnetic scan across the entire footprint; Mark identified utility paths clearly.
|
P
4
×
S
5
20
|
Mandatory hand-digging of trial pits using insulated non-conductive hand tools prior to any mechanical activity; Re-scan area continuously during excavation.
|
P
1
×
S
4
4
|
|
| 10 |
Mechanical Excavation for Concrete Foundations and Cable Trenches
|
Excavation sidewall collapse, contact with live utilities, heavy equipment strike
|
Engulfment, asphyxiation, crushing injuries, fatal electrocution, struck-by injuries
|
Excavator Operators, Banksmen, Groundworkers, Spotters
|
Implement 45-degree slope benching or certified shoring box systems for depths >1.2m; Maintain 3-meter safe distance from overhead and underground utility zones; Install hard physical barricades with warning signage around trench edges.
|
P
4
×
S
5
20
|
Appoint a dedicated trained Banksman with high-visibility clothing; Daily pre-shift trench inspection by a competent HSE Supervisor.
|
P
2
×
S
3
6
|
|
| 11 |
Rebar Cutting, Bending, and Off-site/On-site Fabrication
|
Flying metal debris, high-noise generation, protruding rebar ends, pinch points on benders
|
Lacerations, eye injuries/impalement, noise-induced hearing loss, finger amputation
|
Steel Fixers, Fabricators, Machine Operators, Nearby Personnel
|
Equip all open vertical rebar ends with high-visibility mushroom safety caps; Install safety guards on rebar cutters and benders; Wear cut-resistant gloves (Level 5) and impact safety glasses.
|
P
4
×
S
4
16
|
Mandatory full-face shields during abrasive disc cutting; Provide double hearing protection (earplugs + earmuffs) in rebar fabrication yards.
|
P
2
×
S
2
4
|
|
| 12 |
Formwork Shuttering Assembly and Erection
|
Protruding nails, falling shuttering panels, manual handling of heavy formwork components
|
Puncture wounds, head injuries, foot/hand crush injuries, acute musculoskeletal disorders
|
Carpenters, Helpers, Scaffolders, Riggers
|
De-nail timber immediately after removal; Team lifting mandatory for items >20kg; Wear safety helmets with chin straps, steel-toe boots, and heavy-duty leather gloves.
|
P
4
×
S
3
12
|
Inspect formwork ties and bracing layout against structural engineering sign-off before concrete pour; Maintain neat stacking and staging areas.
|
P
2
×
S
2
4
|
|
| 13 |
New Activity sdsadsdsadsadsadsadsadsad
|
Identify hazards here
|
Describe consequences
|
All personnel
|
List control measures
|
P
3
×
S
3
9
|
Additional controls
|
P
2
×
S
2
4
|
Activity Log
System
•
updated
3 months ago
System
•
updated matrix
3 months ago
System
•
created
3 months ago