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132

Approximate Estimates APPROXIMATE ESTIMATING

Item

Unit

Range £

1 SUBSTRUCTURE – cont’d Pile caps – cont’d extra for reinforcement at 75 kg/m3 concrete, cap size reinforcement at 100 kg/m3 concrete, cap size additional cost of alternative strength concrete 30.00 N/mm2 40.00 N/mm2 Ground slabs Mechanical excavation to reduce levels, disposal, level and compact, hardcore bed blinded with sand, 1200 gauge polythene damp proof membrane, in situ concrete 20.00 N/mm2 to 20 mm aggregate (1:2:4) 150 mm thick concrete slab with 1 layer of A195 fabric reinforcement 200 mm thick concrete slab with 1 layer of A252 fabric reinforcement 250 mm thick concrete slab with 1 layer of A393 fabric reinforcement extra for every additional 50mm thick concrete add to the foregoing prices for high yield steel bar reinforcement B.S. 4449 straight or bent, at a rate of:25kg/m3 50 kg/m3 75 kg/m3 100 kg/m3 additional cost of alternative strength concrete 30.00 N/mm2 40.00 N/mm2

m3 m3

25.00 to 50.00 to

31.00 64.00

m2 m2

1.55 to 3.50 to

2.00 4.45

m2 m2 m2 m2

59.00 65.00 72.00 6.00

to to to to

74.00 82.00 90.00 7.55

m3 m3 m3 m3

25.00 50.00 75.00 100.00

to to to to

31.00 61.00 92.00 125.00

m3 m3

1.50 to 3.45 to

1.90 4.30

Warehouse Ground Slab Steel fibre reinforced floor slab placed using large pour construction techniques providing a finish floor flatness complying with FM2 special +/- 15mm from datum. Excavation, sub-base and damp proof membrane not included Nominal 200mm thick in situ concrete floor slab, concrete grade C40, reinforced with steel fibres, surface power floated and cured with a spray application of curing and hardening agent

m2

26.50 to

33.00

Temporary Works Formation of temporary roads to building perimeter comprising of geoxtile membrane and 300mm MOT type 1 Installation of wheel wash facility

m2 nr

8.90 to 2600.00 to

11.80 3300.00

Reinforced concrete floors and concrete frame Suspended slab; no coverings or finishes up to six storeys seven to twelve storeys thirteen to eighteen storeys

m2 m2 m2

125.00 to 155.00 to 245.00 to

165.00 200.00 315.00

Reinforced concrete floors and steel frame Suspended slab; permanent steel shuttering; protected steel frame; no coverings or finishes up to six storeys seven to twelve storeys thirteen to eighteen storeys

m2 m2 m2

120.00 to 125.00 to 155.00 to

145.00 150.00 225.00

2A FRAME AND 2B UPPER FLOORS Comparative Frame and Upper Floors Upper floor area (unless otherwise described)


534

Prices for Measured Works – Minor Works E IN SITU CONCRETE/LARGE PRECAST CONCRETE

Item

PC £

Labour hours

Labour £

Material £

Unit

Total rate £

E40 DESIGNED JOINTS IN IN SITU CONCRETE – cont’d Waterstops; Grace Servicised or other equal and approved – cont’d "Serviseal" external pvc water stop; centre bulb type; heat welded joints; cast into concrete Serviseal 195; 195 mm wide flat angle vertical angle flat three way intersection four way intersection Serviseal 240; 240 mm wide flat angle vertical angle flat three way intersection four way intersection Serviseal AT240; 240 mm wide flat angle vertical angle flat three way intersection four way intersection Serviseal K320; 320 mm wide flat angle vertical angle flat three way intersection four way intersection

6.82 9.22 16.55 15.81 23.85 8.67 10.48 17.32 17.73 26.39 24.79 18.84 17.75 29.01 43.69 11.64 23.61 20.10 34.56 43.06

0.26 0.31 0.31 0.41 0.51 0.26 0.31 0.31 0.41 0.51 0.26 0.31 0.31 0.41 0.51 0.31 0.36 0.36 0.45 0.56

4.08 4.86 4.86 6.43 8.00 4.08 4.86 4.86 6.43 8.00 4.08 4.86 4.86 6.43 8.00 4.86 5.65 5.65 7.06 8.79

7.53 12.82 20.62 21.35 31.40 9.55 14.97 22.25 24.60 35.73 27.11 30.89 29.73 47.13 68.17 12.79 31.50 27.77 46.35 58.57

m nr nr nr nr m nr nr nr nr m nr nr nr nr m nr nr nr nr

11.61 17.69 25.49 27.78 39.41 13.63 19.84 27.11 31.04 43.73 31.19 35.75 34.60 53.57 76.17 17.65 37.15 33.42 53.41 67.36

-

0.02 0.18 0.33

0.27 2.39 4.39

0.12 0.41 -

m2 m2 m2

0.39 2.81 4.39

0.35 -

0.33 0.71 0.41

4.39 9.44 5.45

0.48 -

m2 m2 m2

4.87 9.44 5.45

-

0.71 0.13

9.44 1.73

1.03 -

m2 m2

10.46 1.73

-

0.07 0.10 0.16

0.93 1.33 2.13

-

m2 m2 m2

0.93 1.33 2.13

-

0.33 0.51 0.68

4.39 6.78 9.04

1.81 2.06 2.30

m m m

6.20 8.84 11.33

-

0.92 1.02 1.53

12.23 13.56 20.33

4.07 4.22 6.85

m m m

16.30 17.77 27.18

E41 WORKED FINISHES/CUTTING TO IN SITU CONCRETE Worked finishes Tamping by mechanical means Power floating Trowelling Hacking by mechanical means by hand Lightly shot blasting surface of concrete Blasting surface of concrete to produce textured finish Wood float finish Tamped finish level or to falls to falls Spade finish Cutting chases Depth not exceeding 50 mm width 10 mm width 50 mm width 75 mm Depth 50 - 100 mm width 75 mm width 100 mm width 100 mm; in reinforced concrete

http://media.routledgeweb.com/pdf/9780415552561/spages  

http://media.routledgeweb.com/pdf/9780415552561/spages.pdf

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