ABSTRACT
Plain in situ ready mixed designated concrete; C7.5 – 40mm aggregate Foundations 72.90 1.02 13.50 78.45 m3 91.95 Isolated foundations – 1.13 14.82 78.46 m3 93.28 Beds
thickness not exceeding 150mm – 1.02 13.50 78.46 m3 91.96 thickness 150-450mm – 1.00 13.17 78.46 m3 91.63 thickness exceeding 450mm – 0.93 12.25 78.46 m3 90.71
Screeded beds; protection to compressible formwork 50mm thick – 0.10 1.31 3.93 m2 5.24 75mm thick – 0.15 1.98 5.88 m2 7.86 100mm thick – 0.20 2.63 7.84 m2 10.47
Filling hollow walls thickness not exceeding 150mm – 3.15 41.49 78.46 m3 119.95
Column casings stub columns beneath suspended ground slabs – 4.50 59.28 78.46 m3 137.74
Plain in situ ready mixed designated concrete; C10 – 40mm aggregate Foundations 73.21 1.02 13.50 75.04 m3 88.54 Isolated foundations – 1.13 14.85 75.04 m3 89.89 Beds
thickness not exceeding 150mm – 1.02 13.50 75.04 m3 88.54 thickness 150-450mm – 0.95 12.52 75.04 m3 87.56 thickness exceeding 450mm – 0.93 12.19 75.04 m3 87.23
Filling hollow walls thickness not exceeding 150mm – 3.15 41.49 78.79 m3 120.28
Material £ hours £ £ rate £
E10 IN SITU CONCRETE CONSTRUCTION – cont
Plain in situ ready mixed designated concrete; C10 – 40mm aggregate; poured on or against earth or unblinded hardcore Foundations 73.21 1.02 13.50 78.79 m3 92.29 Isolated foundations – 1.13 14.85 78.79 m3 93.64 Beds
thickness not exceeding 150mm – 1.02 13.50 78.79 m3 92.29 thickness 150-450mm – 0.95 12.52 78.79 m3 91.31 thickness exceeding 450mm – 0.93 12.19 78.79 m3 90.98
Plain in situ ready mixed designated concrete; C20 – 20mm aggregate Foundations 74.77 0.98 12.92 76.64 m3 89.56 Isolated foundations – 1.13 14.85 76.64 m3 91.49 Beds
thickness not exceeding 150mm – 1.02 13.44 76.64 m3 90.08 thickness 150-450mm – 0.95 12.52 76.64 m3 89.16 thickness exceeding 450mm – 0.93 12.25 76.64 m3 88.89
Filling hollow walls thickness not exceeding 150mm – 3.00 39.51 80.47 m3 119.98
Plain in situ ready mixed designated concrete; C20 – 20mm aggregate; poured on or against earth or unblinded hardcore Foundations 74.77 1.02 13.50 80.47 m3 93.97 Isolated foundations – 1.13 14.85 80.47 m3 95.32 Beds
thickness not exceeding 150mm – 1.02 13.50 82.08 m3 95.58 thickness 150-450mm – 0.95 12.52 76.64 m3 89.16 thickness exceeding 450mm – 0.93 12.25 76.64 m3 88.89
Reinforced in situ ready mixed designated concrete; C25 – 20mm aggregate Foundations 76.86 1.02 13.50 78.78 m3 92.28 Ground beams – 2.59 34.11 78.78 m3 112.89 Isolated foundations – 1.13 14.82 78.78 m3 93.60 Beds
thickness not exceeding 150mm – 1.02 13.44 82.72 m3 96.16 thickness 150-450mm – 0.95 12.52 78.78 m3 91.30 thickness exceeding 450mm – 0.93 12.25 78.78 m3 91.03
Slabs thickness not exceeding 150mm – 1.25 16.46 78.78 m3 95.24 thickness 150-450mm – 1.20 15.81 78.78 m3 94.59 thickness exceeding 450mm – 1.15 15.15 78.78 m3 93.93
Coffered and troughed slabs thickness 150-450mm – 2.96 38.99 84.69 m3 123.68 thickness exceeding 450mm – 2.59 34.11 78.78 m3 112.89
Extra over for sloping 3
Material £ hours £ £ rate £
Walls thickness not exceeding 150mm – 3.15 41.49 82.72 m3 124.21 thickness 150-450mm – 2.67 35.23 82.72 m3 117.95 thickness exceeding 450mm – 2.40 31.67 82.72 m3 114.39
Beams isolated – 3.70 48.74 84.69 m3 133.43 isolated deep – 4.07 53.61 84.69 m3 138.30 attached deep – 3.70 48.74 84.69 m3 133.43
Beam casings isolated – 4.07 53.61 84.69 m3 138.30 isolated deep – 4.44 58.48 84.69 m3 143.17 attached deep – 4.07 53.61 84.69 m3 138.30
Columns – 4.20 55.32 82.72 m3 138.04 Column casings – 4.90 64.54 84.69 m3 149.23 Staircases – 5.25 69.15 82.72 m3 151.87 Upstands – 3.30 43.47 82.72 m3 126.19
Reinforced in situ ready mixed designated concrete; C35 – 20mm aggregate Foundations 80.49 1.02 13.50 88.68 m3 102.18 Ground beams – 2.59 34.11 88.68 m3 122.79 Isolated foundations – 1.13 14.88 88.68 m3 103.56 Beds
thickness not exceeding 150mm – 1.02 13.44 88.68 m3 102.12 thickness 150-450mm – 0.95 12.52 88.68 m3 101.20 thickness exceeding 450mm – 0.93 12.25 88.68 m3 100.93
Slabs thickness not exceeding 150mm – 1.25 16.46 88.68 m3 105.14 thickness 150-450mm – 1.20 15.81 88.68 m3 104.49 thickness exceeding 450mm – 1.15 15.15 88.68 m3 103.83
Coffered and troughed slabs thickness 150-450mm – 2.96 38.99 88.68 m3 127.67 thickness exceeding 450mm – 2.59 34.11 88.68 m3 122.79
Extra over for sloping not exceeding 15° – 0.23 3.03 – m3 3.03 over 15° – 0.46 6.06 – m3 6.06
Walls thickness not exceeding 150mm – 3.15 41.49 88.68 m3 130.17 thickness 150-450mm – 2.67 35.23 88.68 m3 123.91 thickness exceeding 450mm – 2.41 31.70 88.68 m3 120.38
Beams isolated – 3.70 48.74 88.68 m3 137.42 isolated deep – 4.07 53.61 88.68 m3 142.29 attached deep – 3.70 48.74 88.68 m3 137.42
Material £ hours £ £ rate £
E10 IN SITU CONCRETE CONSTRUCTION – cont
Reinforced in situ ready mixed designated concrete – cont Beam casings
isolated – 4.07 53.61 88.68 m3 142.29 isolated deep – 4.44 58.48 88.68 m3 147.16 attached deep – 4.07 53.61 88.68 m3 142.29
Columns – 4.44 58.48 88.68 m3 147.16 Column casings – 4.90 64.54 88.68 m3 153.22 Staircases – 5.55 73.10 88.68 m3 161.78 Upstands – 3.56 46.89 88.68 m3 135.57
Reinforced in situ ready mixed designated concrete; C40 – 20mm aggregate Foundations 82.64 1.02 13.50 91.06 m3 104.56 Isolated foundations – 1.13 14.85 91.06 m3 105.91 Ground beams – 2.59 34.11 91.06 m3 125.17 Beds
thickness not exceeding 150mm – 1.02 13.44 91.06 m3 104.50 thickness 150-450mm – 0.95 12.52 91.06 m3 103.58 thickness exceeding 450mm – 0.93 12.25 91.06 m3 103.31
Slabs thickness not exceeding 150mm – 1.25 16.46 91.06 m3 107.52 thickness 150-450mm – 1.20 15.81 91.06 m3 106.87 thickness exceeding 450mm – 1.15 15.15 91.06 m3 106.21
Coffered and troughed slabs thickness 150-450mm – 2.96 38.99 91.06 m3 130.05 thickness exceeding 450mm – 2.59 34.11 91.06 m3 125.17
Extra over for sloping not exceeding 15° – 0.23 3.03 – m3 3.03 over 15° – 0.46 6.06 – m3 6.06
Walls thickness not exceeding 150mm – 3.42 45.05 91.06 m3 136.11 thickness 150-450mm – 2.73 35.96 91.06 m3 127.02 thickness exceeding 450mm – 2.41 31.74 91.06 m3 122.80
Beams isolated – 3.70 48.74 91.06 m3 139.80 isolated deep – 4.07 53.61 91.06 m3 144.67 attached deep – 3.70 48.74 91.06 m3 139.80
Beam casings isolated – 4.07 53.61 91.06 m3 144.67 isolated deep – 4.44 58.48 91.06 m3 149.54 attached deep – 4.07 53.61 91.06 m3 144.67
Columns – 4.44 58.48 91.06 m3 149.54 Column casings – 4.90 64.54 91.06 m3 155.60 Staircases – 5.55 73.10 91.06 m3 164.16 Upstands – 3.56 46.89 91.06 m3 137.95
Material £ hours £ £ rate £
Proprietary voided Bubbledeck, Cobiax or other equal and approved slab; concrete mix RC35; to achieve design loadings of 5.0 kN/m2 live and 3.0 kN/m2 dead; with trowelled finish Beds
360mm overall thickness – – – – 44 104.50 Extra for
Additional concrete 600mmwide at edges where formers omitted at junctions with walls etc. – – – – m 42.75
Extra over vibrated concrete for Reinforcement content over 5% – 0.51 6.71 – m3 6.71
Grouting with cement mortar (1:1) Stanchion bases
10mm thick – 0.93 12.25 0.11 nr 12.36 25mm thick – 1.16 15.28 0.27 nr 15.55
Grouting with epoxy resin Stanchion bases
10mm thick – 1.16 15.28 7.74 nr 23.02 25mm thick – 1.39 18.31 19.77 nr 38.08
Grouting with Conbextra GP cementitious grout Stanchion bases
10mm thick – 1.16 15.28 0.97 nr 16.25 25mm thick – 1.39 18.31 2.50 nr 20.81
Grouting with Conbextra HF flowable cementitious grout Stanchion bases
10mm thick – 1.16 15.28 1.21 nr 16.49 25mm thick – 1.39 18.31 3.09 nr 21.40
Filling; plain in situ designated concrete; C20 – 20mm aggregate Mortices – 0.09 1.19 0.42 nr 1.61 Holes – 0.23 3.03 87.18 m3 90.21 Chases exceeding 0.01m2 – 0.19 2.50 87.18 m3 89.68 Chases not exceeding 0.01m2 – 0.14 1.85 0.87 m 2.72
Sheeting to prevent moisture loss Building paper; lapped joints
subsoil grade 410; horizontal on foundations – 0.02 0.27 0.46 m2 0.73 standard grade 420; horizontal on slabs – 0.04 0.52 0.69 m2 1.21
Polythene sheeting; lapped joints; horizontal on slabs 250microns; 0.25mm thick – 0.04 0.52 0.39 m2 0.91
Visqueen sheeting or other equal and approved; lapped joints; horizontal on slabs
250microns; 0.25mm thick – 0.04 0.52 0.33 m2 0.85 2
Material £ hours £ £ rate £
E20 FORMWORK FOR IN SITU CONCRETE
NOTE: Generally all formwork based on four uses unless otherwise stated.
