Mechanical & Electrical
Description Tasks Unit Tradesman Hours Labourer Hours
Constants include installing a nominal quantity of bends
and conduit fittings and saddling, to comply with wiring
regulations where required.
UPVC Conduit
Fixed to masonry maximum 4m above floor
20mm diameter m 0.15
32mm diameter m 0.18
50mm diameter m 0.22
Cast into suspended concrete slab
20mm diameter m 0.05
32mm diameter m 0.06
50mm diameter m 0.08
Fixed within suspended ceiling space
20mm diameter m 0.11
32mm diameter m 0.12
50mm diameter m 0.15