ABSTRACT
Excavating tunnels in rock 1.5 m diameter - - - - m3 480.00 3.0 m diameter - - - - m3 300.00
Excavating tunnels in soft material 1.5 m diameter - - - - m3 227.50 3.0 m diameter - - - - m3 125.00
Excavating shafts in rock 3.0 m diameter - - - - m3 185.00 4.5 m diameter - - - - m3 155.00
Excavating shafts in soft material 3.0 m diameter - - - - m3 107.50 4.5 m diameter - - - - m3 92.50
Excavating other cavities in rock 1.5 m diameter - - - - m3 480.00 3.0 m diameter - - - - m3 300.00
Excavating other cavities in soft material 1.5 m diameter - - - - m3 227.50 3.0 m diameter - - - - m3 125.00
Excavated surfaces in rock - - - - m2 17.50 Excavated surfaces in soft material - - - - m2 17.50
Item Gang Labour Plant Material Unit Total hours £ £ £ rate £
IN-SITU LINING TO TUNNELS
Notes The following rates for mass concrete work cast in primary and secondary linings to tunnels and access shafts are based on a 5.0 m depth of shaft and 15.0 m head of tunnel See above for additions for differing shaft depths and tunnel lengths.
