Civil Engineering Reference
In-Depth Information
Type A work packages which fall into this category include:
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Precast concrete coffered floor slabs.
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Precast stairs and landings.
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Curtain walling.
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Precast wall panels and stone cladding.
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Main safes.
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Window cleaning cables.
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Lifts.
An example of design responsibility for the precast concrete coffered floor slabs is
indicated both for the design consultants and the specialist subcontractors.
Precast coffered floor slabs - Design consultants responsibility
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General arrangement drawings and sections.
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Edge condition drawings.
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Loading requirements.
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Finishing specification.
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Setting out.
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Mix design specification.
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Overall performance of floor.
Precast coffered floor slabs - Specialist subcontractor's responsibility
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Mould design.
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Reinforcement design and details.
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Concrete mix design.
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Structural design of precast floors.
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Temporary propping and bracing system.
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Lifting eyes.
Type B: consultants design with some subcontractor design
The design will be prepared by the design consultant, but elements of design tradi-
tionally prepared by specialist subcontractors, such as fixing details etc will be the
responsibility of the specialist subcontractor (and so on down to the final design
with other packages).
Type B work packages which fall into this category include:
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CFA piling.
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Excavation and earthworks (including retaining wall, basement and ground
floor slabs).
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Structural steelwork and decking.
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Concrete frame (staircase cores and structural toppings).
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Secondary steelwork.
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Roller shutter and metal doors.
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Architectural and miscellaneous metalwork.
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Vanity units.
