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Basis for estimated cost of concrete hardstanding - per slab


Size = 8 m x 4 m x 100 mm

= 32 sq m area

= 3.2 cubic metres


Each builder’s bag of aggregate (850 Kg) provides 12 sq m at 50mm thickness

= 6 sq metres at 100mm thickness


Therefore need 32/6 = 5.5 builders bags per slab


5.5 builders bags @ £40 per bag = £220


Each builders bag = 850 kg


For 5.5 bags worth of 5 to 1 mix, need (5.5 x 850) / 5 kg of cement


@ 25 kg per bag of cement = (5.5 x 850) / (5 x 25) = 38 bags of cement @ £4.90 = £186


Concrete dye powder is used at the rate of 5 kg per 100 kg of cement

38 x 25 kg bags of cement = 950 kg, so 950 x (5/100) =  38 kg of dye powder @ £8 = £304


(approx £22.50 per sq m of 100 mm deep slab, including an allowance for shuttering)


If any of our Friends are in the building trade and can offer better prices or estimates, please contact us

Project Budget Estimates


(Based on assumption of volunteer labour to install)

Item

Cost (inc VAT)

2 of Cornilleau 510 pro static outdoor Tables including starter packs of bats and balls

£1,300

2 of 8 m by 4 m by 100 mm deep concrete bases, comprising:


    Sand and Gravel Ballast

£440

    Cement

£372

    Cement Dye

£608

    Shuttering

£100

    Expansion Strip

£100

hippo bag hire (8 cubic yard)

£340

Planning Consent

£195

Sub Total 1 (initial estimate assuming installation by volunteers)

£3,355

Blue Recycled Plastic Bench Seating, concreted in style (x4)

£1,200

Blue Steel Litter bins (x2)

£530

Cycle stands (x4)


£352

Plantings

Nil from this budget

Relocating and refurbishing existing metal double width bench

£175

Sub Total 2 (initial estimate assuming installation by volunteers)

£2,257

TOTAL

£5,612

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