Suspended Decks

Concrete place and finish to suspended decks.

Details

High risk works associated with this work activity

• Work at height where a worker or an object could fall more than 2m
• Carried out at a workplace in which there is mobile powered plant
• Work that involves tilt-up or pre-cast
• On or near energised electric services
• Structural alterations that require support to prevent collapse
• Work that is likely to involve the disturbance of asbestos
• On or near pressurised gas mains or piping
• Work carried out on or adjacent to road, railway or traffic corridor
• Demolish a load bearing structure or is otherwise related to the structural integrity
• Work in or near a trench or shaft deeper than 1.5m
• Work in a confined space
• Work in an area that may have a contaminated or flammable atmosphere

1. Prestart

Control Measures

Ensure all workers have attended “Site Safety Inducted”;
Ensure all workers are familiar with the required tasks and read, sign and date the Manual Handling Workshop and SWMS’s;
Ensure pre-start meetings have been conducted and workers understand work processes and safety requirements prior to commencing work tasks.

Supervisors must check access ways and work areas and safety issues are to be rectified prior to sending workers out to their work areas.

PPE required by John Holland and ECCC: hard-hat; safety boots; gloves and safety glasses.
High visibility, long sleeved shirts are to be worn and apply spf50 sunscreen.

2. Access/egress to work area

Control Measures

Ensure all workers have been “Site Safety Inducted”; ensure pre-start/task meetings have been conducted; ensure you have identified & assessed any additional hazards before commencing any work process; ensure all workers are familiar with the required tasks and have signed and dated the SWMS.

Employees to use correct access/egress to work area as designated by builder i.e. designated walkways, scaffolding, stairs etc. Stair tread systems are to be used for the primary form of access and egress to and from an area that concrete is to be placed unless it is not reasonably practicable to do so e.g. trenches/pits where a stair treat does not fit.

Ensure that excavator has created stairs or access ramp into pad footing/excavation by digging a 600mm wide step, Certified access to all trenches over 1m deep. Never enter others exclusion zones. Work areas may need to be isolated against access from non-essential personnel, work inside defined work areas and do not remove barriers or edge protect

3. Sub-grade/Detailed excavation

Control Measures

The use of mechanical Aids is the best way to overcome this mini excavator / Skid Steer Loader, job rotation and adequate rest periods during hot weather, stay hydrated Refer to the correct manual lifting handling document.
Keep back posture straight and use your legs not your back, Proof of manual handling training is required. Two person Team lifting techniques are always recommended Erect Signage where applicable

Laser Operation

Control Measures

Set laser up below eye level whenever possible, away from high traffic areas to avoid damage ensure suitable eyewear is worn. Laser operator must be trained in safe use.

Working in Detailed Excavation Area alongside Excavator/Skid steer Loader (Mobile Powered Plant)

Control Measures

Ensure all Visual and audible warnings on machine are working; workers to stay in view of operator warn or remove non-essential personnel from work area. Segregate plant from workers where possible, spotter may be required. Water suppression to eliminate dust, correct RPE fit tested; hearing and respiratory protection to be worn. Machine operators must be suitably trained, current V.O.C

Contaminated Soils/Materials, Groundwater

Control Measures

ECC are responsible for locally stockpiling contaminated material in a designated location, Installation of environmental safeguards e.g. silt fences, all site PPE requirements with Gloves & long sleeves, washing of hands before smoking & eating is required. Civil contractor is responsible for moving material from designated location to stockpile area and completing tracking

If Vac Trucks are used by ECC, ECC are responsible for tracking the material on site (i.e. from vac location to evaporation pond). SWMS required for vac trucks with spotter required at the ponds when emptying the truck.

Installation of environmental safeguards e.g. silt fences, rumble grids or wheel wash, sediment traps, cover all loads entering/exiting site..

4. Lay visqueen (plastic), carry & lay reo mesh

Control Measures

Refer to the correct manual lifting handling document when lifting/carrying heavy or awkward objects; two men to carry sheets of mesh; use legs not back to lift; ensure personnel are clear of work area when dropping sheets in place. Check ground conditions for safe clear access when working on re bar; safety mesh to be supplied where reo spaces exceed 300 x 300.

5. Erect Formwork (edge board only) – this step may not be required depending on work element

Control Measures

Set laser up below eye level whenever possible, away from high traffic areas to avoid damage ensure suitable eyewear is worn. Laser operator must be trained in safe use.

6. Place concrete (screed/shovel/rake)

Control Measures

Spotters/ traffic controllers will be required to safely guide concrete Agitators to work area or to reverse Agi. on to concrete pump. Workers may need to refer to SWMS Pumping Concrete. High VIS shirts are to remain on at all times NO EXCEPTIONS. Apply 30spf sunscreen and hydrate regularly with drinking water (builder supplied bubblers) employees to wear mandatory PPE designated by builder, and also task specific PPE, Team lift equipment and rotate job task. Ensure all reo starter bar caps are installed on all exposed reo before the placement of concrete.

Keep back posture straight and use your legs not your back. Ensure no holes in boots and long socks to prevent concrete burns. Read Manual Handling Document, MSDS and HAZ Subs Risk assessment on concrete and sign off.

7. Vibration of concrete (See SWMS No7)

Control Measures

Check Drive-unit, shaft is in working order and re-fuel (if necessary) Read and sign pre-start/task meeting before commencing work Regular service of machinery. Report any faulty equipment to supervisor. Workers must be trained in safe use of all tools and Vibrating equipment, Remove faulty equipment from service.

Refueling of machinery/plant (See SWMS No6)

Control Measures

Employees must be trained and competent when “refueling” and to have referred to both the chemical risk assessment and MSDS before commencing this task.

Wear PPE as per MSDS whilst completing this task. No smoking let machines cool before refueling.

7. Vibration of concrete (See SWMS No7)

UV Exposure, Injury to workers Hearing Damage, Eye Damage Injury / Illness to workers

Inhalation of fumes, unconscious

injury to workers, (Sprains, strains, Cuts)|

Control Measures

Check Drive-unit, shaft is in working order and re-fuel (if necessary) Read and sign pre-start/task meeting before commencing work Regular service of machinery. Report any faulty equipment to supervisor. Workers must be trained in safe use of all tools and Vibrating equipment, Remove faulty equipment from service.

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