Class Q: Piling Ancillaries | 40 | Spon's Civil Engineering and Highwa

ABSTRACT

Permanent casings; each length not exceeding 13m 450mm diameter piles – – – – m 63.00 600mm diameter piles – – – – m 85.55 750mm diameter piles – – – – m 107.10

Permanent casings; each length exceeding 13m 450mm diameter piles – – – – m 65.50 600mm diameter piles – – – – m 91.00 750mm diameter piles – – – – m 112.60

Enlarged bases diameter 1400mm; to 450mm diameter piles – – – – nr 240.64 diameter 1800mm; to 600mm diameter piles – – – – nr 293.28 diameter 2100mm; to 750mm diameter piles – – – – nr 329.93

Cutting off surplus lengths 450mm diameter piles – – – – m 24.99 600mm diameter piles – – – – m 35.70 750mm diameter piles – – – – m 42.84

Preparing heads 450mm diameter piles – – – – nr 26.74 600mm diameter piles – – – – nr 42.84 750mm diameter piles – – – – nr 64.25 Collection from around pile heads of spoil accruing from piling operations and depositing in spoil heaps (For ﬁnal disposal see Class E – Excavation Ancillaries) – – – – m3 3.10

hours £ £ £ rate £

CAST IN PLACE CONCRETE PILES – cont

Reinforcement; mild steel Straight bars, nominal size

6mm – – – – t 590.00 8mm – – – – t 590.00 10mm – – – – t 585.00 12mm – – – – t 575.00 16mm – – – – t 570.00 25mm – – – – t 570.00 32mm – – – – t 575.00 50mm – – – – t 580.00

Helical bars, nominal size 6mm – – – – t 610.00 8mm – – – – t 610.00 10mm – – – – t 605.00 12mm – – – – t 595.00

Reinforcement; high tensile steel Straight bars, nominal size

6mm – – – – t 610.00 8mm – – – – t 610.00 10mm – – – – t 605.00 12mm – – – – t 595.00 16mm – – – – t 590.00 25mm – – – – t 590.00 32mm – – – – t 595.00 50mm – – – – t 600.00

Helical bars, nominal size 6mm – – – – t 630.00 8mm – – – – t 630.00 10mm – – – – t 625.00 12mm – – – – t 615.00

Couplers; Lenton type A; threaded ends on reinforcing bars

12mm 0.09 10.44 – 6.72 nr 17.16 16mm 0.09 10.44 – 8.11 nr 18.55 20mm 0.09 10.44 – 11.84 nr 22.28 25mm 0.09 10.44 – 16.37 nr 26.81 32mm 0.09 10.44 – 22.47 nr 32.91 40mm 0.09 10.44 – 30.87 nr 41.31

Couplers; Lenton type B; threaded ends on reinforcing bars

12mm 0.09 10.44 – 21.59 nr 32.03 16mm 0.09 10.44 – 25.02 nr 35.46 20mm 0.09 10.44 – 27.75 nr 38.19 25mm 0.09 10.44 – 32.04 nr 42.48 32mm 0.09 10.44 – 43.30 nr 53.74 40mm 0.09 10.44 – 63.48 nr 73.92

hours £ £ £ rate £

PREFORMED CONCRETE PILES

General Preparing heads

235× 235mm piles – – – – nr 33.73 275× 275mm piles – – – – nr 46.06 350× 350mm piles – – – – nr 70.83

TIMBER PILES

Douglas Fir Cutting off surplus lengths

cross-sectional area: 0.025-0.05m2 – – – – nr 2.94 cross-sectional area: 0.05-0.1m2 – – – – nr 5.25 cross-sectional area: 0.1-0.15m2 – – – – nr 6.73 cross-sectional area: 0.15-0.25m2 – – – – nr 12.89

Preparing heads cross-sectional area: 0.025-0.05m2 – – – – nr 2.94 cross-sectional area: 0.05-0.1m2 – – – – nr 5.25 cross-sectional area: 0.1-0.15m2 – – – – nr 6.73 cross-sectional area: 0.15-0.25m2 – – – – nr 12.89

Greenheart Cutting off surplus lengths

cross-sectional area: 0.025-0.05m2 – – – – nr 5.81 cross-sectional area: 0.05-0.1m2 – – – – nr 10.44 cross-sectional area: 0.1-0.15m2 – – – – nr 13.52 cross-sectional area: 0.15-0.25m2 – – – – nr 25.05

Preparing heads cross-sectional area: 0.025-0.05m2 – – – – nr 5.81 cross-sectional area: 0.05-0.1m2 – – – – nr 10.44 cross-sectional area: 0.1-0.15m2 – – – – nr 13.52 cross-sectional area: 0.15-0.25m2 – – – – nr 25.05

ISOLATED STEEL PILES

Steel bearing piles Steel bearing piles are commonly carried out by a Specialist Contractor and whose advice should be sought to arrive at accurate costing. However the following items can be used to assess a budget cost for such work. The item for number of pile extensions includes for the cost of setting up the rig at the pile position together with welding the extension to the top of the steel bearing pile. The items for length of pile extension cover the material only, the driving cost being included in Class P. Number of pile extensions

at each position – – – – nr 75.00

hours £ £ £ rate £

ISOLATED STEEL PILES – cont

Steel bearing piles – cont Length of pile extensions, each length not exceeding 3m; steel EN 10025grade S275

mass 45 kg/m – – – 63.04 m 63.04 mass 54 kg/m – – – 75.65 m 75.65 mass 63 kg/m – – – 88.95 m 88.95 mass 71 kg/m – – – 100.24 m 100.24 mass 79 kg/m – – – 113.27 m 113.27 mass 85 kg/m – – – 120.01 m 120.01 mass 95 kg/m – – – 136.22 m 136.22 mass 109 kg/m – – – 158.69 m 158.69 mass 110 kg/m – – – 157.72 m 157.72 mass 126 kg/m – – – 180.67 m 180.67 mass 149 kg/m – – – 213.64 m 213.64 mass 133 kg/m – – – 193.63 m 193.63 mass 152 kg/m – – – 221.29 m 221.29 mass 174 kg/m – – – 253.32 m 253.32 mass 186 kg/m – – – 266.70 m 266.70 mass 223 kg/m – – – 319.75 m 319.75

Length of pile extensions, each length exceeding 3m; steel EN 10025grade S275

Number of pile extensions section size 203× 203 × any kg/m – – – – nr 250.00 section size 254× 254 × any kg/m – – – – nr 300.00 section size 305× 305 × any kg/m – – – – nr 343.75 section size 356× 368 × any kg/m – – – – nr 381.25

Cutting off surplus lengths mass 30-60 kg/m – – – – nr 87.50 mass 60-120 kg/m – – – – nr 125.00 mass 120-250 kg/m – – – – nr 168.75

Burning off tops of piles to level mass 30-60 kg/m – – – – nr 87.50 mass 60-120 kg/m – – – – nr 125.00 mass 120-250 kg/m – – – – nr 168.75

hours £ £ £ rate £

INTERLOCKING STEEL PILES

Arcelor Mittal Z section steel piles; EN 10248grade S270GP steel Steel bearing piles are commonly carried out by a Specialist Contractor and whose advice should be sought to arrive at accurate costing. However the following items can be used to assess a budget cost for such work. The item for number of pile extensions includes for welding the extension to the top of the steel bearing pile. The items for length of pile extension cover the material only, the driving cost being included in Class P. Number of pile extensions Cutting off surplus lengths

section modulus 500-800 cm3/m – – – – m 22.10 section modulus 800-1200 cm3/m – – – – m 22.10 section modulus 1200-2000 cm3/m – – – – m 23.50 section modulus 2000-3000 cm3/m – – – – m 23.50 section modulus 3000-4000 cm3/m – – – – m 25.00

Extract piling and stacking on site section modulus 500-800 cm3/m – – – – m2 32.63 section modulus 800-1200 cm3/m – – – – m2 29.28 section modulus 1200-2000 cm3/m – – – – m2 23.19 section modulus 3000-4000 cm3/m – – – – m2 23.02 section modulus 2000-3000 cm3/m – – – – m2 16.25

Arcelor Mittal U section steel piles; EN 10248grade S270GP steel Steel bearing piles are commonly carried out by a Specialist Contractor and whose advice should be sought to arrive at accurate costing. However the following items can be used to assess a budget cost for such work. The item for number of pile extensions includes for welding the extension to the top of the steel bearing pile. The items for length of pile extension cover the material only, the driving cost being included in Class P. Number of pile extensions Cutting off surplus lengths

section modulus 500-800 cm3/m – – – – m 22.10 section modulus 800-1200 cm3/m – – – – m 22.10 section modulus 800-1200 cm3/m – – – – m 23.50 section modulus 2000-3000 cm3/m – – – – m 23.50 section modulus 3000-4000 cm3/m – – – – m 23.50

Extract piling and stack on site section modulus 500-800 cm3/m – – – – m2 32.63 section modulus 800-1200 cm3/m – – – – m2 29.28 section modulus 800-1200 cm3/m PU12 – – – – m2 23.19 section modulus 800-1200 cm3/m PU18 – – – – m2 23.02 section modulus 2000-3000 cm3/m – – – – m2 16.25 section modulus 3000-4000 cm3/m – – – – m2 16.25

hours £ £ £ rate £

OBSTRUCTIONS

General Obstructions – – – – hr 108.30

PILE TESTS

Cast in place Pile tests; 500mm diameter working pile; maximum test load of 600kN using non-working tension piles as reaction tripod

ﬁrst pile – – – – nr 4500.00 subsequent pile – – – – nr 3500.00

Take and test undisturbed soil samples; tripod – – – – nr 160.00 Make, cure and test concrete cubes; tripod – – – – nr 12.00 Pile tests; working pile; maximum test load of 1½ times working load; ﬁrst pile

450mm/650 kN – – – – nr 3491.25 600mm/1400 kN – – – – nr 4287.50 750mm/2200 kN – – – – nr 5206.25

Pile tests; working pile; maximum test load of 1½ times working load; second and subsequent piles

450mm/650 kN – – – – nr 1837.50 600mm/1400 kN – – – – nr 2756.25 750mm/2200 kN – – – – nr 3491.25

Pile tests; working pile; electronic integrity testing; each pile (minimum 40 piles per visit) – – – – nr 20.95 Make, cure and test concrete cubes – – – – nr 12.25

Preformed Pile tests; working pile; maximum test load of 1.5 times working load – – – – nr 4692.00 Pile tests; working pile; dynamic testing with piling hammer – – – – nr 310.50

Steel bearing piles Steel bearing piles are commonly carried out by a Specialist Contractor and whose advice should be sought to arrive at accurate costing. However the following items can be used to assess a budget cost for such work. The following unit costs are based upon driving 100 nr steel bearing piles 15-24m long on a clear site with reasonable access. Supply is based on delivery 75 miles from works, in loads over 20 t. Establishment of pile testing equipment on site preliminary to any piling operation – – – – sum 1700.00 Carry out pile test on bearing piles irrespective of section using pile testing equipment on site up to 108 t load – – – – nr 5437.50

hours £ £ £ rate £

Driven-temporary casing Pile tests; 430mm diameter working pile; maximum test load of 1125 kN using non-working tension piles as reaction; ﬁrst piles

bottom driven – – – – nr 4287.50 top driven – – – – nr 3491.25

Pile tests; 430mm diameter working pile; maximum test load of 1125 kN using non-working tension piles as reaction; subsequent piles

bottom driven – – – – nr 1837.50 top driven – – – – nr 1837.50

Pile tests; working pile; electronic integrity testing; each pile (minimum 40 piles per visit) – – – – nr 17.39 Make cure and test concrete cubes – – – – nr 12.25

Driven – segmental casing Pile tests; 500mm diameter working pile; maximum test load of 600 kN using non-working tension piles as reaction

ﬁrst pile – – – – nr 6168.75 subsequent piles – – – – nr 4700.00