RISK ASSESSMENT FOR CANTILEVER PLATFORM INSTALLATION

Uploaded by HSE Documents, this Risk Assessment for Cantilever Platform Installation is a professionally structured safety document designed for construction, oil & gas, marine, and industrial projects requiring cantilever platform erection, use, and dismantling. It identifies hazards such as:

Fall from height

Structural collapse

Load imbalance

Unstable anchorage

Equipment failure, along with practical control measures

PPE requirements

Emergency response actions aligned with international HSE standards

1.0.  ACTIVITIES

1.1. Pre-installation review: structural design & anchor verification
1.2. Lifting and hoisting of cantilever platform components to installation level
1.3. Installing anchor / tie-back points into structure
1.4. Assembly and erection of the cantilever platform structure at height
1.5. Working at height on the complete platform (materials/equipment loading)
1.6. Platform use during adverse weather conditions (high wind)
1.7. Dropped objects from the cantilever platform
1.8. Access and egress to / from the cantilever platform
1.9. Overloading or unauthorised modification of the platform
1.10. Dismantling of cantilever platform on completion of works
1.11. Proximity to overhead power lines / building electrical services during installation

2.0.  SIGNIFICANT POTENTIAL HAZARDS

2.1. Structural failure due to inadequate anchor/tie-back capacity
2.2. Use of platform without engineer-approved design
2.3. Dropped load / struck-by during lift
2.4. Crane overload
2.5. Contact between load and structure/facade during hoisting
2.6. Fall from height during anchor installation
2.7. Anchor failure from incorrect installation (e.g. drilling into rebar, insufficient embedment)
2.8. Fall from an unprotected edge during assembly
2.9. Component or tool falling from height
2.10.Platform instability during partial assembly
2.11. Fall from platform edge
2.12.Platform overload beyond design capacity
2.13.Platform instability / structural distress in high wind
2.14.Personnel or materials blown from the platform
2.15.Tools, materials or debris falling from the platform onto personnel or the public below
2.16.Fall from height while accessing or leaving the platform
2.17.Unsafe transition point between structure and platform
2.18.Structural failure from exceeding design load or from unauthorized alteration (e.g. removal of bracing, added loading)
2.19.Fall from height during dismantling
2.20.Uncontrolled release of components
2.21.Dropped objects during disassembly
2.22.Contact with live electrical services resulting in electrocution

3.0.  CONTROLS 

3.1. Platform design, load calculations and anchor layout certified by a competent structural engineer prior to installation
3.2. Anchor/tie-back points designed and load-tested to manufacturer specification and applicable code
3.3. Method statement and permit to work approved before installation commences
3.4. Anchor locations verified on site against approved structural drawings
3.5. Documented lift plan prepared by Appointed Person
3.6. Certified crane operator and rigger; tag lines used to control load during hoist
3.7. Ground-level exclusion zone maintained below the lift path
3.8. Pre-use inspection of crane, rigging and platform components
3.9. 100% fall protection (double lanyard / inertia reel to an independent anchor point) during anchor installation
3.10.Installation carried out only by trained, competent personnel following manufacturer instructions
3.11. Pull-out / load testing of anchors performed as per specification
3.12.Independent inspection and written sign-off of every anchor before the platform is loaded
3.13.Erect strictly per the approved sequence in the method statement
3.14.Install edge protection / guardrails progressively as assembly proceeds
3.15.100% tie-off with a fall arrest system until guardrails are complete
3.16.Tool lanyards/tethering mandatory for all hand tools; toe boards installed to prevent objects falling
3.17.Ground-level exclusion zone maintained below the platform during assembly
3.18.Guardrails, mid-rails and toe boards maintained at all open edges at all times
3.19.Maximum load capacity clearly signed on the platform and strictly enforced
3.20.Regular load monitoring and daily Pre-Use inspection checklist by a competent person
3.21.Access restricted to trained and authorized personnel only
3.22.Establish maximum wind speed limits for platform use per manufacturer/engineer specification
3.23.Continuous wind speed monitoring (anemometer) with a documented stop-work trigger when limits are exceeded
3.24.Secure all loose materials and equipment on the platform at end of shift
3.25.Daily weather forecast review by site management
3.26.Toe boards and debris netting/mesh installed on all platform edges
3.27.Tool lanyards mandatory for all hand tools used on the platform
3.28.Ground-level exclusion zone with barriers and signage below the platform
3.29.Overhead protection (catch fans / hoarding) where the platform is above public access areas
3.30.Daily housekeeping to remove loose materials from the platform
3.31.Engineered access provided (stair tower or fixed ladder with fall restraint)
3.32.Self-closing gate at the platform entry / transition point
3.33.Edge protection maintained at the access point at all times
3.34.Access restricted to trained personnel holding a valid permit
3.35.Load capacity signage prominently displayed on the platform
3.36.Strict enforcement of a no-unauthorized-modification policy
3.37.Weekly documented inspection by a competent person
3.38.Any proposed modification requires re-certification by the structural engineer before use
3.39.Dismantling method statement (reverse sequence of erection) reviewed and approved before start
3.40.100% fall protection maintained until final component removal
3.41.Controlled lowering of components by crane/hoist with tag lines
3.42.Ground-level exclusion zone maintained below during dismantling
3.43.Edge protection remains until the platform is fully removed
3.44.Identify and isolate/de-energize nearby electrical services prior to work where possible
3.45.Maintain safe clearance distances from live services by applicable regulations
3.46.Permit-to-work system for any work near live electrical services
3.47.Use of insulated tools where required

EXCAVATION AND TRENCHING SAFETY PROCEDURE

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