ABSTRACT
Plane horizontal, width ne 0.1m 0.10 6.38 1.90 2.37 m 10.65 0.1-0.20m 0.18 11.49 3.42 2.56 m 17.47 0.2-0.40m 0.40 30.88 4.65 6.04 m2 41.57 0.4-1.22m 0.40 30.88 4.65 6.04 m2 41.57 exceeding 1.22m 0.38 29.34 4.41 6.04 m2 39.79
Plane sloping, width ne 0.1m 0.11 7.02 2.09 2.37 m 11.48 0.1-0.20m 0.20 12.76 3.80 2.56 m 19.12 0.2-0.40m 0.43 33.20 4.94 8.68 m2 46.82 0.4-1.22m 0.43 33.20 4.94 8.68 m2 46.82 exceeding 1.22m 0.38 29.34 4.41 8.68 m2 42.43
Plane battered, width ne 0.1m 0.12 7.66 2.28 4.52 m 14.46 0.1-0.20m 0.20 12.76 3.80 4.71 m 21.27 0.2-0.40m 0.43 33.20 5.07 11.49 m2 49.76 0.4-1.22m 0.43 33.20 5.07 11.49 m2 49.76 exceeding 1.22m 0.40 30.88 4.65 11.49 m2 47.02
Plane vertical, width ne 0.1m 0.12 7.66 2.28 3.82 m 13.76 0.1-0.20m 0.19 12.12 3.62 4.01 m 19.75 0.2-0.40m 0.70 54.04 8.13 9.47 m2 71.64 0.4-1.22m 0.51 39.37 5.85 9.47 m2 54.69 exceeding 1.22m 0.47 36.29 5.54 9.47 m2 51.30
Curved to one radius in one plane, 0.5m radius, width ne 0.1m 0.19 12.12 3.62 5.14 m 20.88 0.1-0.20m 0.25 15.95 4.76 5.33 m 26.04 0.2-0.40m 0.90 69.48 10.46 10.79 m2 90.73 0.4-1.22m 0.72 55.59 8.36 10.79 m2 74.74 exceeding 1.22m 0.65 50.18 7.48 10.79 m2 68.45
Curved to one radius in one plane, 2m radius, width ne 0.1m 0.18 11.49 3.42 5.14 m 20.05 0.1-0.20m 0.22 14.04 4.18 5.33 m 23.55 0.2-0.40m 0.84 64.85 9.76 10.79 m2 85.40 0.4-1.22m 0.66 50.95 7.67 10.79 m2 69.41 exceeding 1.22m 0.52 40.15 6.04 10.79 m2 56.98
For voids small void; depth ne 0.5m 0.07 4.47 – 3.00 nr 7.47 small void; depth 0.5-1.0m 0.12 7.66 – 5.75 nr 13.41 small void; depth ne 1.0-2.0m 0.16 10.21 – 10.60 nr 20.81 large void; depth ne 0.5m 0.14 8.93 – 8.95 nr 17.88 large void; depth 0.5-1.0m 0.33 21.06 – 18.63 nr 39.69 large void; depth 1.0-2.0m 0.58 37.01 – 37.90 nr 74.91
For concrete components of constant cross-section beams; 200× 200mm 0.48 30.63 9.13 4.49 m 44.25 beams; 500× 500mm 0.55 35.10 10.46 8.93 m 54.49 beams; 500× 800mm 0.67 42.75 12.74 10.18 m 65.67 columns; 200×200mm 0.55 35.10 10.46 6.45 m 52.01 columns; 300×300mm 0.55 35.10 10.46 8.74 m 54.30 columns; 300×500mm 0.62 39.56 11.79 9.94 m 61.29 to walls; 1.0m high thickness 250mm 1.10 84.92 12.78 11.34 m 109.04
hours £ £ £ rate £
to walls; 1.5m high thickness 300mm 1.50 115.81 17.43 15.86 m 149.10 box culvert; 2 × 2m internally and wall thickness 300mm 4.50 347.42 52.28 116.11 m 515.81 projections (100mm deep) 0.10 6.38 1.90 2.29 m 10.57 intrusions (100mm deep) 0.10 6.38 1.90 2.29 m 10.57
Allowance for additional craneage and rub up where required
ADD to items measures linear 0.04 2.55 0.76 0.03 m 3.34 ADD to items measures m2 0.12 7.66 2.28 0.11 m2 10.05
FORMWORK; FAIR FINISH Plane horizontal, width
ne 0.1m 0.10 6.38 1.90 3.77 m 12.05 0.1-0.20m 0.18 11.49 3.42 4.17 m 19.08 0.2-0.40m 0.40 30.88 4.65 12.86 m2 48.39 0.4-1.22m 0.40 30.88 4.65 12.86 m2 48.39 exceeding 1.22m 0.38 29.34 4.41 12.86 m2 46.61
Plane sloping, width ne 0.1m 0.11 7.02 2.09 3.77 m 12.88 0.1-0.20m 0.20 12.76 2.32 4.17 m 19.25 0.2-0.40m 0.43 33.20 13.35 20.29 m2 66.84 0.4-1.22m 0.43 33.20 13.35 20.29 m2 66.84 exceeding 1.22m 0.38 29.34 4.41 20.29 m2 54.04
Plane battered, width ne 0.1m 0.12 7.66 2.28 7.11 m 17.05 0.1-0.20m 0.20 12.76 3.80 7.52 m 24.08 0.2-0.40m 0.43 33.20 5.00 25.49 m2 63.69 0.4-1.22m 0.43 33.20 5.00 25.49 m2 63.69 exceeding 1.22m 0.40 30.88 4.65 25.49 m2 61.02
Plane vertical, width ne 0.1m 0.12 7.66 2.28 6.41 m 16.35 0.1-0.20m 0.20 12.76 3.80 6.82 m 23.38 0.2-0.40m 0.72 55.59 8.36 21.08 m2 85.03 0.4-1.22m 0.53 40.92 6.16 21.08 m2 68.16 exceeding 1.22m 0.48 37.06 5.58 21.08 m2 63.72
Curved to one radius in one plane, 0.5m radius, width
ne 0.1m 0.20 12.76 3.80 10.13 m 26.69 0.1-0.20m 0.25 15.95 4.76 10.53 m 31.24 0.2-0.40m 0.90 69.48 10.46 24.79 m2 104.73 0.4-1.22m 0.72 55.59 8.36 24.79 m2 88.74 exceeding 1.22m 0.65 50.18 7.55 24.79 m2 82.52
Curved to one radius in one plane, 2.0m radius, width
ne 0.1m 0.18 11.49 3.42 10.13 m 25.04 0.1-0.20m 0.22 14.04 4.18 10.53 m 28.75 0.2-0.40m 0.84 64.85 9.76 24.79 m2 99.40 0.4-1.22m 0.66 50.95 7.67 24.79 m2 83.41 exceeding 1.22m 0.52 40.15 6.04 24.79 m2 70.98
hours £ £ £ rate £
FORMWORK; FAIR FINISH – cont
For voids, using void former small void; depth ne 0.5m 0.07 4.47 – 5.51 nr 9.98 small void; depth 0.5-1.0m 0.12 7.66 – 10.58 nr 18.24 small void; depth ne 1.0-2.0m 0.16 10.21 – 20.18 nr 30.39 large void; depth ne 0.5m 0.14 8.93 – 11.76 nr 20.69 large void; depth 0.5-1.0m 0.33 21.06 – 23.83 nr 44.89 large void; depth 1.0-2.0m 0.58 37.01 – 42.37 nr 79.38
For concrete components of constant cross-section beams; 200× 200mm 0.49 31.27 9.32 10.50 m 51.09 beams; 500× 500mm 0.57 36.37 10.84 18.53 m 65.74 beams; 500× 800mm 0.69 44.03 13.12 23.41 m 80.56 columns; 200×200mm 0.57 36.37 10.84 12.87 m 60.08 columns; 300×300mm 0.57 36.37 10.84 18.14 m 65.35 columns; 300×500mm 0.64 40.84 12.17 21.56 m 74.57 to walls; 1.0m high thickness 250mm 1.20 92.64 13.94 24.98 m 131.56 to walls; 1.5m high thickness 300mm 1.60 123.53 18.59 36.32 m 178.44 box culvert; 2 × 2m internally and wall thickness 300mm 4.60 355.14 53.44 257.38 m 665.96 projections (100mm deep) 0.10 6.38 1.90 5.23 m 13.51 intrusions (100mm deep) 0.10 6.38 1.90 5.23 m 13.51
Allowance for additional craneage and rub up where required
ADD to items measures linear 0.14 8.93 2.66 0.04 m 11.63 ADD to items measures m2 0.12 7.66 2.28 0.14 m2 10.08
FORMWORK; EXTRA SMOOTH FINISH
Plane horizontal, width ne 0.1m 0.10 6.38 1.90 3.99 m 12.27 0.1-0.20m 0.18 11.49 3.42 4.58 m 19.49 0.2-0.40m 0.40 30.88 4.65 14.97 m2 50.50 0.4-1.22m 0.40 30.88 4.65 14.97 m2 50.50 exceeding 1.22m 0.38 29.34 4.41 14.97 m2 48.72
Plane sloping, width ne 0.1m 0.11 7.02 2.09 3.99 m 13.10 0.1-0.20m 0.20 12.76 3.80 4.58 m 21.14 0.2-0.40m 0.43 33.20 5.01 22.40 m2 60.61 0.4-1.22m 0.43 33.20 5.01 22.40 m2 60.61 exceeding 1.22m 0.38 29.34 4.41 22.40 m2 56.15
Plane battered, width ne 0.1m 0.12 7.66 2.28 7.34 m 17.28 0.1-0.20m 0.20 12.76 3.80 7.93 m 24.49 0.2-0.40m 0.43 33.20 5.01 27.60 m2 65.81 0.4-1.22m 0.43 33.20 5.01 27.60 m2 65.81 exceeding 1.22m 0.40 30.88 4.65 27.60 m2 63.13
Plane vertical, width ne 0.1m 0.12 9.26 2.28 6.64 m 18.18 0.1-0.20m 0.20 12.76 3.80 7.23 m 23.79 0.2-0.40m 0.74 57.13 8.60 23.19 m2 88.92 0.4-1.22m 0.53 40.92 6.17 23.19 m2 70.28 exceeding 1.22m 0.48 37.06 5.58 23.19 m2 65.83
hours £ £ £ rate £
Curved to one radius in one plane, 0.5m radius, width
ne 0.1m 0.20 12.76 3.80 10.36 m 26.92 0.1-0.20m 0.25 15.95 4.75 7.23 m 27.93 0.2-0.40m 0.90 69.48 10.46 26.90 m2 106.84 0.4-1.22m 0.72 55.59 8.36 26.90 m2 90.85 exceeding 1.22m 0.65 50.18 7.57 26.90 m2 84.65
Curved to one radius in one plane, 1.0m radius, width
ne 0.1m 0.18 11.49 3.42 10.36 m 25.27 0.1-0.20m 0.22 14.04 4.18 7.23 m 25.45 0.2-0.40m 0.84 64.85 15.67 26.90 m2 107.42 0.4-1.22m 0.66 50.95 7.67 26.90 m2 85.52 exceeding 1.22m 0.52 40.15 6.04 26.90 m2 73.09
For voids, using void former small void; depth ne 0.5m 0.07 4.47 – 9.48 nr 13.95 small void; depth 0.5-1.0m 0.12 7.66 – 18.52 nr 26.18 small void; depth ne 1.0-2.0m 0.16 10.21 – 34.93 nr 45.14 large void; depth ne 0.5m 0.14 8.93 – 20.84 nr 29.77 large void; depth 0.5-1.0m 0.33 21.06 – 40.73 nr 61.79 large void; depth 1.0-2.0m 0.58 37.01 – 71.35 nr 108.36
For concrete components of constant cross-section beams; 200× 200mm 0.50 31.91 9.51 11.76 m 53.18 beams; 500× 500mm 0.57 36.37 6.61 21.69 m 64.67 beams; 500× 800mm 0.69 44.03 8.03 27.21 m 79.27 columns; 200×200mm 0.57 36.37 6.61 14.55 m 57.53 columns; 300×300mm 0.57 36.37 6.61 20.67 m 63.65 columns; 300×500mm 0.64 40.84 7.43 24.94 m 73.21 to walls; 1.0m high thickness 250mm 1.20 92.64 13.94 29.20 m 135.78 to walls; 1.5m high thickness 300mm 1.60 123.53 18.59 42.64 m 184.76 box culvert; 2 × 2m internally and wall thickness 300mm 4.60 355.14 53.44 279.77 m 688.35 projections (100mm deep) 0.10 6.38 1.90 5.64 m 13.92 intrusions (100mm deep) 0.10 6.38 1.90 5.64 m 13.92
Allowance for additional craneage and rub up where required
ADD to items measures linear 0.14 8.93 2.66 0.04 m 11.63 ADD to items measures m2 0.12 7.66 2.28 0.17 m2 10.11
REINFORCEMENT
Plain round mild steel bars to BS 4449 Bars; supplied in straight lengths
6mm nominal size 8.00 927.96 118.19 433.04 tonne 1479.19 8mm nominal size 6.74 781.80 99.57 433.04 tonne 1314.41 10mm nominal size 6.74 781.80 99.57 428.62 tonne 1309.99 12mm nominal size 6.74 781.80 99.57 419.79 tonne 1301.16 16mm nominal size 6.15 713.37 90.87 415.36 tonne 1219.60 20mm nominal size 4.44 515.02 65.59 415.36 tonne 995.97 25mm nominal size 4.44 515.02 65.59 415.36 tonne 995.97 32mm nominal size 4.44 515.02 65.59 419.80 tonne 1000.41 40mm nominal size 4.44 515.02 65.59 424.20 tonne 1004.81
hours £ £ £ rate £
REINFORCEMENT – cont
Plain round mild steel bars to BS 4449 – cont Bars; supplied in bent and cut lengths
6mm nominal size 8.00 927.96 118.19 468.39 tonne 1514.54 8mm nominal size 6.74 781.80 99.57 468.39 tonne 1349.76 10mm nominal size 6.74 781.80 99.57 463.97 tonne 1345.34 12mm nominal size 6.74 781.80 99.57 455.14 tonne 1336.51 16mm nominal size 6.15 713.37 90.87 450.71 tonne 1254.95 20mm nominal size 4.44 515.02 65.59 450.71 tonne 1031.32 25mm nominal size 4.44 515.02 65.59 450.71 tonne 1031.32 32mm nominal size 4.44 515.02 65.59 455.14 tonne 1035.75 40mm nominal size 4.44 515.02 65.59 459.55 tonne 1040.16
Deformed high yield steel bars to BS 4449 Bars; supplied in straight lengths
6mm nominal size 8.00 927.96 118.19 592.37 tonne 1638.52 8mm nominal size 6.74 781.80 99.57 592.37 tonne 1473.74 10mm nominal size 6.74 781.80 99.57 586.56 tonne 1467.93 12mm nominal size 6.74 781.80 99.57 574.94 tonne 1456.31 16mm nominal size 6.15 713.37 90.87 569.13 tonne 1373.37 20mm nominal size 4.44 515.02 65.59 569.13 tonne 1149.74 25mm nominal size 4.44 515.02 65.59 569.13 tonne 1149.74 32mm nominal size 4.44 515.02 65.59 574.94 tonne 1155.55 40mm nominal size 4.44 515.02 65.59 580.75 tonne 1161.36
Bars; supplied in bent and cut lengths 6mm nominal size 8.00 927.96 118.19 638.83 tonne 1684.98 8mm nominal size 6.74 781.80 99.57 633.02 tonne 1514.39 10mm nominal size 6.74 781.80 99.57 633.02 tonne 1514.39 12mm nominal size 6.74 781.80 99.57 621.40 tonne 1502.77 16mm nominal size 6.15 713.37 90.87 615.60 tonne 1419.84 20mm nominal size 4.44 515.02 65.59 615.60 tonne 1196.21 25mm nominal size 4.44 515.02 65.59 615.60 tonne 1196.21 32mm nominal size 4.44 515.02 65.59 621.40 tonne 1202.01 40mm nominal size 4.44 515.02 65.59 627.21 tonne 1207.82
Stainless steel bars Bars; supplied in straight lengths
8mm nominal size 6.74 781.80 99.57 2860.00 tonne 3741.37 10mm nominal size 6.74 781.80 99.57 3256.00 tonne 4137.37 12mm nominal size 6.74 781.80 99.57 2860.00 tonne 3741.37 16mm nominal size 6.15 713.37 90.87 2816.00 tonne 3620.24 20mm nominal size 4.44 515.02 65.59 2728.00 tonne 3308.61 25mm nominal size 4.44 515.02 65.59 2640.00 tonne 3220.61 32mm nominal size 4.44 515.02 65.59 2640.00 tonne 3220.61
Bars; supplied in bent and cut lengths 8mm nominal size 6.74 781.80 99.57 2847.50 tonne 3728.87 10mm nominal size 6.74 781.80 99.57 3230.00 tonne 4111.37 12mm nominal size 6.74 781.80 99.57 2847.50 tonne 3728.87 16mm nominal size 6.15 713.37 90.87 2805.00 tonne 3609.24 20mm nominal size 4.44 515.02 65.59 2720.00 tonne 3300.61 25mm nominal size 4.44 515.02 65.59 2635.00 tonne 3215.61 32mm nominal size 4.44 515.02 65.59 2635.00 tonne 3215.61
hours £ £ £ rate £
Additional allowances to bar reinforcement Add to the above bars
12-15m long; mild steel to BS 4449 – – – 28.75 tonne 28.75 12-15m long; high yield steel to BS 4449 – – – 20.70 tonne 20.70 Over 15m long, per 500mm increment; mild steel to BS 4449 – – – 11.50 tonne 11.50 Over 15m long, per 500mm increment; high yield steel to BS 4449 – – – 4.60 tonne 4.60
Add for cutting, bending, tagging and baling reinforcement on site
6mm nominal size 4.87 181.21 71.96 1.73 tonne 254.90 8mm nominal size 4.58 170.42 67.66 1.73 tonne 239.81 10mm nominal size 3.42 127.26 50.53 1.73 tonne 179.52 12mm nominal size 2.55 94.88 37.68 1.73 tonne 134.29 16mm nominal size 2.03 75.54 30.00 1.73 tonne 107.27 20mm nominal size 1.68 62.51 24.82 1.73 tonne 89.06 25mm nominal size 1.68 62.51 24.82 1.73 tonne 89.06 32mm nominal size 1.39 51.72 20.54 1.73 tonne 73.99 40mm nominal size 1.39 51.72 20.54 1.73 tonne 73.99
Special joints Lenton type A couplers; 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
Lenton type B couplers; 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
Steel fabric to BS 4483 Fabric
nominal mass 0.77 kg/m2; ref D49 0.02 2.32 0.30 0.52 m2 3.14 nominal mass 1.54 kg/m2; ref D98 0.02 2.32 0.30 0.98 m2 3.60 nominal mass 1.54 kg/m2; ref A98 0.03 3.48 0.45 0.98 m2 4.91 nominal mass 2.22 kg/m2; ref A142 0.03 3.48 0.45 1.40 m2 5.33 nominal mass 2.61 kg/m2; ref C283 0.03 3.48 0.45 1.75 m2 5.68 nominal mass 3.02 kg/m2; ref A193 0.04 4.64 0.59 1.91 m2 7.14 nominal mass 3.05 kg/m2; ref B196 0.04 4.64 0.59 1.93 m2 7.16 nominal mass 3.41 kg/m2; ref C385 0.04 4.64 0.59 2.27 m2 7.50 nominal mass 3.73 kg/m2; ref B283 0.04 4.64 0.59 2.36 m2 7.59 nominal mass 3.95 kg/m2; ref A252 0.04 4.64 0.59 2.50 m2 7.73 nominal mass 4.34 kg/m2; ref C503 0.05 5.80 0.75 2.85 m2 9.40
hours £ £ £ rate £
REINFORCEMENT – cont
Steel fabric to BS 4483 – cont Fabric – cont
nominal mass 4.35 kg/m2; ref B385 0.05 5.80 0.75 2.86 m2 9.41 nominal mass 5.55 kg/m2; ref C636 0.05 5.80 0.75 3.51 m2 10.06 nominal mass 5.93 kg/m2; ref B503 0.05 5.80 0.75 3.75 m2 10.30 nominal mass 6.16 kg/m2; ref A393 0.07 8.12 1.04 3.90 m2 13.06 nominal mass 6.72 kg/m2; ref C785 0.07 8.12 1.04 4.25 m2 13.41 nominal mass 8.14 kg/m2; ref B785 0.08 9.28 1.18 5.15 m2 15.61 nominal mass 10.90 kg/m2; ref B1131 0.09 10.44 1.34 6.89 m2 18.67
RESOURCES – LABOUR
Formwork gang – small areas 1 foreman joiner (craftsman) 22.77 1 joiner (craftsman) 19.53 1 unskilled operative (general) 12.69 1 plant operator (craftsman) – 50% of time 10.55 Total Gang Rate/Hour £ 65.54
Formwork gang – large areas 1 foreman joiner (craftsman) 22.77 2 joiners (craftsman) 39.07 1 unskilled operative (general) 12.69 1 plant operator (craftsman) – 25% of time 5.27 Total Gang Rate/Hour £ 79.79
Reinforcement gang 1 foreman steel fixer (craftsman) 22.77 4 steel fixers (craftsman) 78.13 1 unskilled operative (general) 12.69 1 plant operator (craftsman) – 25% of time 5.27 Total Gang Rate/Hour £ 118.86
Reinforcement – on-site bending/baling gang 1 steel fixer (craftsman) 19.53 1 unskilled operative (general) 12.69 1 plant operator (craftsman) – 25% of time 5.27 Total Gang Rate/Hour £ 37.50
Joints gang 1 ganger/chargehand (skill rate 4) 13.59 1 skilled operative (skill rate 4) 13.59 1 unskilled operative (general) 12.69 Total Gang Rate/Hour £ 39.86
Concrete accessories gang 1 ganger/chargehand (skill rate 4) 13.59 1 skilled operative (skill rate 4) 13.59 1 unskilled operative (general) 12.69 Total Gang Rate/Hour £ 39.86
hours £ £ £ rate £
RESOURCES – PLANT
Formwork – small areas 20t crawler crane – 50% of time 14.79 22’ diameter saw bench 1.98 allowance for small power tools 2.25 Total Rate/Hour £ 19.01
Formwork – large areas 20t crawler crane – 25% of time 7.39 22’ diameter saw bench 1.98 allowance for small power tools 2.25 Total Rate/Hour £ 11.62
Reinforcement 30 t crawler crane – 25% of time 8.06 bar cropper 4.17 small power tools 1.65 support acrows, tirfors, kentledge, etc. 0.89 Total Rate/Hour £ 14.77
RESOURCES – MATERIALS
Formwork Formwork materials include for shutter, bracing, ties, support, kentledge and all consumables. The following unit costs do not include for formwork outside the payline and are based on an optimum of a minimum 8 uses with 10% per use towards the cost of repairs/replacement of components damaged during disassembly ADD to formwork material costs generally depending on the number of uses: Nr of uses % Addition % Waste 1 + 90 to 170 +7 2 + 50 to 80 +7 3 + 15 to 30 +6 6 + 5 to 10 +6 8 No change +5 10 − 5 to 7 +5
Reinforcement Reinforcement materials include for bars, tying wire, spacers, couplers and steel supports for bottom layer reinforcement (stools, chairs and risers).
