Profession precast moulder
Precast moulders handcast decorative and structural concrete building products such as fireplace units, blocks or coloured tiles. They use a portable concrete-mixing machine.
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- Ensure mould uniformity
Oversee uniformity of moulds; use casting equipment and tools such as hand press.
- Cast concrete sections
Cast tops and bottoms or other electrolytic cells concrete sections using power tools.
- Settle concrete
Settle the concrete using the vibrating tables.
- Feed concrete mixer
Feed the concrete mixer with cement, sand, water, rock or other required materials using the shovel, making sure the specifications are met.
- Dump batches
Dump the batches into conveyors making sure the specifications such as the mixing time are followed.
- Prevent casting adhesion
Prevent the casting sticking to the moulds by brushing the mould with oil, hot wax or graphite solution, according to the specification of each casting component.
- Mix moulding and casting material
Measure and mix ingredients for casting and moulding materials, according to appropriate formula.
- Remove finished casts
Open mould and safely remove the finished cast from within.
- Mix concrete
Use compact concrete mixers or various ad-hoc containers such as wheelbarrows to mix concrete. Prepare the correct quantities of cement, water, aggregate and optional added ingredients, and mix the ingredients until an homogenous concrete is formed.
- Reinforce concrete
Reinforce concrete by inserting reinforcing steel members.