Sequenced installation of the formwork incl. bracing/ propping Inadvertent plant movement – crush Control lever protection Operator competence Penetrations/holes/ deep beams in formwork deck/ walls Fall from height Vertical and horizontal covers load bearing to design specification Mesh cover (primary) protection cast into slab Plywood cover (secondary) protection mechanically fixed. Installing supporting Structural Steel Beams / Needles (Universal Beams) Working at heights Fall from height Design certification of formwork structural support system Engineering review/ approval Sequenced installation of the supports / needles Edge protection / fall prevention strategy Fall of Materials Design certification of formwork structural support system Engineering review/ approval Sequenced installation of the supports / needles Stripping formwork Working at heights Fall from height Design certification of formwork system Engineering review/ approval of formwork system Sequenced stripping of the formwork Edge protection Work platform (min 2 planks) Catch deck Fall of materials Approved stripping sequence Exclusion zone below Unauthorised tampering of structural elements Collapse of formwork Structure Pre-pour inspection of formwork
Work in shafts / Jump forms Working at heights Fall from height Design certification of Jump Form System Engineering review/ approval of Jump Form. Jump Form intermediate catch deck Internal scaffold/ working deck Use of electrical equipment Electricity Electric shock or electrocution Electricity supply protected by Residual Current Device Electrical inspection and testing. Formwork structural modification Jump Form / other Welding/ Oxy /Acetylene cutting Fire Design eliminates modifications during installation Fire Risers operational (BCA E1.9) with booster as required buildings greater than 12m high and maintained two floors below effective height of the structure. Fire extinguishers A, B, C type fire and electrical fire located at each required exit Fire egress routes clearly marked and unobstructed Permit To Work implemented All tasks Emergency evacuation Egress routes obstructed / unknown / not marked Emergency egress lighting operational Egress routes clearly marked Egress routes clear and signposted Evacuation details outlined Site Induction Emergency Contact numbers displayed in prominent locations Evacuation drill carried out maximum yearly intervals
Trade Job Task Hazard Risk Event (that could trigger emergency scenario) Preventative + Mitigating Control Measures Steel reinforcement Steel reinforcement lifting and landing Crane steel reinforcement loads on deck Fall of material Correct slinging and lifting methods Competent Dogman controlled load Lifting gear inspection Lift travel path and landing area excluded Exclusion zone below landing area Collapse of formwork structure Design certification of formwork system Engineering review/ approval of formwork system before loading Dedicated crane load landing area – Engineer Approved Crane load is within formwork deck design capacity Dedicated crane load landing areas Steel reinforcement placement Gaps in perimeter containment Fall of material Jump Form flaps / barriers to eliminate gaps Edge protection for multi-storey construction incl. perimeter containment Penetration protection Working at heights Falls from height Design certification of formwork system Engineering review/ approval of formwork system before loading Edge protection Work in shafts / Jump forms Fall from height Design certification of Jump Form System Engineering review/ approval of Jump Form.
Backing board and dead end stressing to prevent cable failure free release Trade Job Task Hazards Risk Event (that could trigger emergency scenario) Preventative + Mitigating Control Measures Concrete Placement Pouring Concrete Loading of concrete onto formwork deck, wall or other elements Collapse of formwork structure Design certification of formwork system Engineering review/ pre-pour inspection of formwork system before pour Flow rates evenly distributed and not exceeded Exclusion zone below pour Fall of materials Edge protection (screen /containment) Exclusion zone below Boom pump inspection, maintenance and test records Working at heights Falls from height Design certification of formwork system Engineering review/ pre-pour inspection of formwork Edge protection Penetration protection Concrete curing Concrete not achieving the designed strength Structural collapse / localised failure of concrete structure Use of water or other additives meets the design strength criteria; Slump and other tests undertaken to confirm concrete strength Concrete Pumping Failure of pipeline / joint failure Struck by violent expulsion of concrete / pipe fixture Pipe line design for multistorey Engineer Approved Mix design minimises risk of blockages Pipe inspection and maintenance program
Operating plant Concrete placing boom Collapse / overturning / contact with overhead wires Boom pump inspection, maintenance and test records Pump set up clear of overhead wires Pump set up location structurally adequate with no inground pits or other Exclusion zone around plant and below boom