ABSTRACT
Excavation of soft spots, backfillng concrete grade C15P 0.30 10.02 8.85 59.35 m3 78.23
Item Unit
hours £ £ £ rate £
SPECIAL PIPE LAYING METHODS
There are many factors, apart from design consideration, which influence the cost of pipe jacking, so that it is only possible to give guide prices for a sample of the work involved. For more reliable estinates it is advisable to seek the advice of a Specialist ContraclDr. The main cost considerations are :-
[J the nature of the ground [J length of drive [J location [J presence of water [J depth below surface
Provision of all plant, equipment and labour establishing
Pipe jacking, excluding the cost cI non-drainage materials; concrete pipes BS 5911 Part 1 Class H with rebated joints, steel reinforcing band; length not exceeding 50 m; in sand and gravel
900 mm nominal bore - - - - m 987.00 1200 mm nominal bore - - - - m 1270.50 1500 mm nominal bore - - - - m 1520.00 1800 mm nominal bore - - - - m 1805.00
BEDS
Imported sand PC £13.38/tOnne 100 mm deep bed for pipes nominal bore
100mm 0.02 0.67 0.31 1.56 m 2.54 150mm 0.02 0.67 0.31 1.68 m 2.88 225mm 0.03 1.00 0.47 1.96 m 3.43 300mm 0.04 1.34 0.62 2.05 m 4.01
150 mm deep bed for pipes nominal bore 150mm 0.06 2.00 0.93 2.54 m 5.48 225mm 0.07 2.34 1.09 2.94 m 8.37 300mm 0.09 3.01 1.40 3.11 m 7.52 400mm 0.12 4.01 1.87 3.48 m 9.35 450mm 0.14 4.68 2.18 4.07 m 10.93 600mm 0.17 5.68 2.64 5.04 m 13.38 750mm 0.19 6.35 2.95 5.63 m 14.93 900mm 0.21 7.02 3.26 6.59 m 18.87 1200mm 0.25 8.35 3.89 7.75 m 19.99
Imported granular matwlal PC £9.08/t0me 100 mm deep bed for pipes nominal bore
100mm 0.02 0.67 0.31 1.00 m 1.97 150mm 0.03 1.00 0.47 1.08 m 2.55 225mm 0.04 1.34 0.62 1.24 m 3.19 300mm 0.05 1.67 0.78 1.32 m 3.77
150 mm deep bed for pipes nominal bore 150mm 0.06 2.00 0.93 1.61 m 4.55 225mm 0.08 2.67 1.24 1.86 m 5.77
Item Unit hours £ £ £ rate £
300mm 0.10 3.34 1.55 1.98 m 8.88 400mm 0.13 4.34 2.02 2.24 m 8.80 450mm 0.15 5.01 2.33 2.58 m 9.82 800mm 0.18 6.01 2.80 3.21 m 12.02 750mm 0.20 6.68 3.11 3.58 m 13.37 900mm 0.22 7.35 3.42 4.20 m 14.97 1200mm 0.26 8.69 4.04 4.94 m 17.88
Maaa concrete PC £82.15/m3 100 mm deep bed for pipes nominal bore
100mm 0.07 2.34 1.09 4.34 m 7.77 150mm 0.08 2.67 1.24 4.71 m 8.82 225mm 0.09 3.01 1.40 5.43 m 9.84 300mm 0.11 3.68 1.71 5.80 m 11.18
150 mm deep bed for pipes nominal bore 100mm 0.10 3.34 1.55 6.52 m 11.42 150mm 0.12 4.01 1.87 7.06 m 12.93 225mm 0.14 4.68 2.18 8.15 m 15.00 300mm 0.16 5.35 2.49 8.70 m 18.53 400mm 0.19 6.35 2.95 9.76 m 19.08 450mm 0.21 7.02 3.26 11.41 m 21.89 800mm 0.24 8.02 3.73 14.11 m 25.88 750mm 0.26 8.69 4.04 15.74 m 28.48 900mm 0.28 9.35 4.35 18.46 m 32.17 1200mm 0.32 10.69 4.97 21.70 m 37.37
HAUNCHES
The following items allow for dressing the haunchlng material half-way up the pipe barrel for Ule full width of Ule bed and 1hen dressing in triangular fashion to Ule aown of Ule ~. The items exclude Ule drain bed.
