Page 244 - Civil Engineering Project Management, Fourth Edition

Civil Engineering Project Management
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incorporating a degree of flexibility in the design by providing extra space for
additional equipment or runs of services.
Under (c) the construction contractor will see he has been given full details of
what is required at the outset, reducing the likelihood of having to face add-
itions and alterations during construction. This can encourage him to expect fast
construction, which reducing his costs, enables him to submit his lowest price.
Thus any extra time needed to ensure drawings and specifications are complete
can be well spent.
To ensure designs are complete, the designers will need to ascertain the
requirements of all specialist suppliers and contractors involved, such as the
suppliers of mechanical and electrical plant, cladding, windows, cranes, lifts,
heating and ventilating equipment. For major mechanical and electrical plant
it is best for the employer to let separate contracts for their supply and erection,
so they come under direct control of the designer as described in Sections
2.4(d) and 5.6.