Route Marker
AEN - Approved except as NotedReference: RA-2026-3ARiOZI8
Total Activities
12
High Risk
2
Medium Risk
10
Low Risk
0
📄 Method Statement
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Risk Assessment Matrix
| SN | Activity | Hazard | Consequence | Groups Exposed | Controls | Initial Risk | Additional Controls | Residual Risk |
|---|---|---|---|---|---|---|---|---|
| 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 | Site Survey & Pre-excavation Utility Locating | Unmarked underground live electrical cables, gas mains, and telecom lines | Electrocution, arc flash, gas explosion, severe burns, utility outage, or fatality | Site Personnel, Subcontractors, Public | Review utility drawings, use CAT & Genny (Cable Avoidance Tool) to scan the route, mark detected utilities clearly on the ground. |
P
4
×
S
5
=
20
|
Issue a formal Permit to Dig (PTD); perform manual trial pits using non-conductive hand tools prior to any heavy work. |
P
2
×
S
4
=
8
|
| 10 | Setting Up Temporary Traffic & Pedestrian Management | Passing vehicular traffic, distracted drivers, and public pedestrian movement near work zone | Vehicle-pedestrian collision, crushing injuries, public slips/trips, fatality | Site Personnel, Subcontractors, Public | Erect temporary traffic cones, warning signs, and pedestrian barriers in accordance with local roadwork standards; wear Class 3 Hi-Vis clothing. |
P
4
×
S
5
=
20
|
Utilize temporary traffic lights or flaggers for high-density areas; position a safety vehicle with amber beacons upstream of the work site. |
P
2
×
S
3
=
6
|
| 11 | Offloading and Manual Handling of Concrete Marker Blocks and Posts | Heavy loads, awkward lifting postures, dropping heavy concrete/metal objects | Musculoskeletal disorders (MSDs), spinal injuries, crushed fingers/feet, cuts | Site Personnel, Subcontractors, Public | Assess load weights prior to lifting; use two-person team lifts for loads over 20kg; wear safety boots (steel/composite toe) and cut-resistant gloves. |
P
4
×
S
3
=
12
|
Use mechanical lifting aids such as hydraulic cranes, mechanical grabs, or site trolleys; enforce maximum individual lifting limit of 25kg. |
P
2
×
S
2
=
4
|
| 12 | Manual Excavation for Marker Post Footings | Sharp digging tools, repetitive motion, struck-by hidden cable/pipe, soil collapse | Hand/leg puncture wounds, electric shock, ergonomic strain, muscle fatigue | Site Personnel, Subcontractors, Public | Use insulated dig tools (rated to 1000V); dig parallel to expected utility lines; rotate workers frequently to prevent fatigue. |
P
3
×
S
4
=
12
|
Re-scan the pit with CAT locator as excavation depth increases; bench or shore pit walls if depth exceeds 1.2 meters. |
P
2
×
S
2
=
4
|
Activity Log
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