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Estimating
- 1. Concrete Work data Price Materuial cost Lean concrete G15 (already mixed) RM185.00/m3 G25 Concrete (already mixed ) RM195.00/m3 G30 Concrete (already mixed ) RM210.00/m3 Shrinkage, concsolidation and wasteage 50% Labour cost Two unskilled worker (8Hours per day) RM52.50/person Placing of concrete 0.6h/m3 Cost of vibrator for reinfoced concrete, 1.2m3/h, incluidng fuel RM360.00/day Additional labour for working around reinforcement at 0.55hour/m³ RM52.50/day Allow 15% profit including overhead Calculation for lean concrete G15 material cost Add shrinkage, concsolidation and wasteage 50% RM185.00 x 1.5 = RM277.50/m3 Labour cost Two unskilled worker per hour RM52.50/8x2 = RM13.13/h placing concrete RM13.13 x 0.6 = RM7.88/m3 Total Cost for lean concrete G15 RM277.50+RM7.88=RM285.38 Allow 15% profit including overhead RM285.38 x 1.15= RM328.19/m3 RM328.19/m3 x 0.05(thk) = RM16.41/m2
- 2. Calculation for reinforced concrete G25 material cost Add shrinkage, concsolidation and wasteage 50% RM195.00 x 1.5 = RM292.50/m3 Plant cost Vibrator per day RM360.00/8 = RM45.00/h per m3 RM45.00 / 1.2 = RM37.5/m3 Labour cost Two unskilled worker per hour RM52.50/8x2 = RM13.13/h placing concrete RM13.13 x 0.6 = RM7.88/m3 Reinforcement work labour cost per m3 RM52.50/8=RM6.56/h RM6.56 x 0.55 = RM3.61/m3 Total cost for reinforced concrete G25 RM292.50 + RM37.5 + RM7.88 + RM3.61 = RM341.49/m3 Allow 15% profit including overhead RM341.49 x 1.15= RM392.71/m3 Calculation for reinforced concrete G30 material cost Add shrinkage, concsolidation and wasteage 50% RM210.00 x 1.5 = RM315.00/m3 Plant cost Vibrator per day RM360.00/8 = RM45.00/h per m3 RM45.00 / 1.2 = RM37.5/m3 Labour cost Two unskilled worker per hour RM52.50/8x2 = RM13.13/h placing concrete RM13.13 x 0.6 = RM7.88/m3 Reinforcement work labour cost per m3 RM52.50/8=RM6.56/hRM6.56 x 0.55 = RM3.61/m3 Total cost for reinforced concrete G30 RM315.00 + RM37.5 + RM7.88 + RM3.61 = RM363.99/m3 Allow 15% profit including overhead RM363.99 x 1.15= RM418.59/m3
- 3. Hardcore Data Price material cost hardcore material RM7.5/m2 Allow 10% compaction Labour cost One unskilled worker, 8hours per day Allow 15% profir including overhead RM52.50/person Placing hardcore at 8m2/h Calculation for hardcore Material cost Allow 10% compaction RM7.50 x 1.10 = RM8.25/m2 Labour cost One unskilled worker per hour RM52.50/8 = RM6.56/h Placing hardcore RM6.56/1.2 = RM5.47/m2 Total cost for hardcore RM8.25 + RM5.47 = RM13.72/m2 Allow 15% profit including overhead RM13.72 x 1.15= RM15.78/m2
- 4. 10mm dia high tensile Reinforcement Bar Cost Data Price material cost 10mm diameter bar delivered to site RM2700/tonne Allow labour stacking and loading RM7/tonne Tie wire at 0.66kg/100kg of reinforcement bar RM500/tonne Allow spacers for rebar RM6/tonne Allow 7% waste Allow margin RM22/tonne Allow 15% profit including overhead Labour cost One skilled labour, 8hours/day RM125/person one unskilled worker, 8hours/day RM52.50/person Allow 10% idling time Select 28 minutes Cut 32 minutes Bend 35 minutes Fix 23 minutes Hoist Twice 7 minutes calculation for 10mm h.t bar material cost 10mm diameter h.t bar RM2700/tonne Allow labour stacking and loading RM7/tonne Tie wire (0.66kg/100kg) x 1000 x (500/1000) = RM3.3/tonne Spacer RM6/tonne Allow 7% waste RM2700 x 0.07 = RM189/tonne Margin RM22/tonne Total RM2927.3/tonne Labour cost Skilled worker per hour Rm125/8 = RM15.63/h One unskilled worker per hour RM52.50/8 = RM6.56/h total RM15.63 + RM6.56 = RM22.19/h Allow 10% idling time RM22.19 x 1.10 = RM24.41/h Time required for Select, cut, bend, fix and hoist twice (28+32+35+23+7)minutes = 125minutes Labour cost (125minutes / 60) x RM24.41 = RM50.85/kg = RM508.54/tonne Total cost for 10mm h.t bar RM2927.3 + RM508.54 = RM3435.84/tonne Allow 15% profit including overhead RM3435.84 x 1.15= RM3951.22/tonne
- 5. 12mm dia high tensile Reinforcement Bar Cost Data Price material cost 12mm diameter bar delivered to site RM2700/tonne Allow labour stacking and loading RM7/tonne Tie wire at 0.66kg/100kg of reinforcement bar RM500/tonne Allow spacers for rebar RM6/tonne Allow 7% waste Allow margin RM22/tonne Allow 15% profit including overhead Labour cost One skilled labour, 8hours/day RM125/person one unskilled worker, 8hours/day RM52.50/person Allow 10% idling time Select 28 minutes Cut 32 minutes Bend 35 minutes Fix 23 minutes Hoist Twice 7 minutes calculation for 12mm h.t bar material cost 12mm diameter h.t bar RM2700/tonne Allow labour stacking and loading RM7/tonne Tie wire (0.66kg/100kg) x 1000 x (500/1000) = RM3.3/tonne Spacer RM6/tonne Allow 7% waste RM2700 x 0.07 = RM189/tonne Margin RM22/tonne Total RM2927.3/tonne Labour cost Skilled worker per hour Rm125/8 = RM15.63/h One unskilled worker per hour RM52.50/8 = RM6.56/h total RM15.63 + RM6.56 = RM22.19/h Allow 10% idling time RM22.19 x 1.10 = RM24.41/h Time required for Select, cut, bend, fix and hoist twice (28+32+35+23+7)minutes = 125minutes Labour cost (125minutes / 60) x RM24.41 = RM50.85/kg = RM508.54/tonne Total cost for 12mm h.t bar RM2927.3 + RM508.54 = RM3435.84/tonne Allow 15% profit including overhead RM3435.84 x 1.15= RM3951.22/tonne
- 6. 16mm dia high tensile Reinforcement Bar Cost Data Price material cost 16mm diameter bar delivered to site RM2650/tonne Allow labour stacking and loading RM7/tonne Tie wire at 0.66kg/100kg of reinforcement bar RM500/tonne Allow spacers for rebar RM6/tonne Allow 7% waste Allow margin RM22/tonne Allow 15% profit including overhead Labour cost One skilled labour, 8hours/day RM125/person one unskilled worker, 8hours/day RM52.50/person Allow 10% idling time Select 28 minutes Cut 32 minutes Bend 35 minutes Fix 23 minutes Hoist Twice 7 minutes calculation for 16mm h.t bar material cost 16mm diameter h.t bar RM2650/tonne Allow labour stacking and loading RM7/tonne Tie wire (0.66kg/100kg) x 1000 x (500/1000) = RM3.3/tonne Spacer RM6/tonne Allow 7% waste RM2650 x 0.07 = RM185.5/tonne Margin RM22/tonne Total RM2873.8/tonne Labour cost Skilled worker per hour Rm125/8 = RM15.63/h One unskilled worker per hour RM52.50/8 = RM6.56/h total RM15.63 + RM6.56 = RM22.19/h Allow 10% idling time RM22.19 x 1.10 = RM24.41/h Time required for Select, cut, bend, fix and hoist twice (28+32+35+23+7)minutes = 125minutes Labour cost (125minutes / 60) x RM24.41 = RM50.85/kg = RM508.54/tonne Total cost for 16mm h.t bar RM2873.8 + RM508.54 = RM3382.34/tonne Allow 15% profit including overhead RM3382.34 x 1.15= RM3889.69/tonne
- 7. 8mm dia mild steel Reinforcement Bar Cost Data Price material cost 8mm diameter bar delivered to site RM 1250/ 800kg Allow labour stacking and loading RM7/tonne Tie wire at 0.66kg/100kg of reinforcement bar RM500/tonne Allow spacers for rebar RM6/tonne Allow 7% waste Allow margin RM22/tonne Allow 15% profit including overhead Labour cost One skilled labour, 8hours/day RM125/person one unskilled worker, 8hours/day RM52.50/person Allow 10% idling time Select 28 minutes Cut 32 minutes Bend 35 minutes Fix 23 minutes Hoist Twice 7 minutes calculation for 8mm m.s bar material cost 8mm diameter h.t bar 1250/800 x 1000 RM1562.5/tonne Allow labour stacking and loading RM7/tonne Tie wire (0.66kg/100kg) x 1000 x (500/1000) = RM3.3/tonne Spacer RM6/tonne Allow 7% waste RM1562.5 x 0.07 = RM109.38/tonne Margin RM22/tonne Total RM1710.18/tonne Labour cost Skilled worker per hour Rm125/8 = RM15.63/h One unskilled worker per hour RM52.50/8 = RM6.56/h total RM15.63 + RM6.56 = RM22.19/h Allow 10% idling time RM22.19 x 1.10 = RM24.41/h Time required for Select, cut, bend, fix and hoist twice (28+32+35+23+7)minutes = 125minutes Labour cost (125minutes / 60) x RM24.41 = RM50.85/kg = RM508.54/tonne Total cost for 8mm m.s bar RM1710.18 + RM508.54 = RM2218.72/tonne Allow 15% profit including overhead RM2218.72 x 1.15= RM2551.53/tonne
- 8. 10mm dia mild steel Reinforcement Bar Cost Data Price material cost RM1802 /tonne 10mm diameter bar delivered to site RM/tonne Allow labour stacking and loading RM7/tonne Tie wire at 0.66kg/100kg of reinforcement bar RM500/tonne Allow spacers for rebar RM6/tonne Allow 7% waste Allow margin RM22/tonne Allow 15% profit including overhead Labour cost One skilled labour, 8hours/day RM125/person one unskilled worker, 8hours/day RM52.50/person Allow 10% idling time Select 28 minutes Cut 32 minutes Bend 35 minutes Fix 23 minutes Hoist Twice 7 minutes calculation for 10mm m.s bar material cost 10mm diameter h.t bar RM1802/tonne Allow labour stacking and loading RM7/tonne Tie wire (0.66kg/100kg) x 1000 x (500/1000) = RM3.3/tonne Spacer RM6/tonne Allow 7% waste RM1802 x 0.07 = RM126.14/tonne Margin RM22/tonne Total RM1966.44/tonne Labour cost Skilled worker per hour Rm125/8 = RM15.63/h One unskilled worker per hour RM52.50/8 = RM6.56/h total RM15.63 + RM6.56 = RM22.19/h Allow 10% idling time RM22.19 x 1.10 = RM24.41/h Time required for Select, cut, bend, fix and hoist twice (28+32+35+23+7)minutes = 125minutes Labour cost (125minutes / 60) x RM24.41 = RM50.85/kg = RM508.54/tonne Total cost for 10mm m.s bar RM1966.44 + RM508.54 = RM2474.98/tonne Allow 15% profit including overhead RM2474.98 x 1.15= RM2846.23/tonne
- 9. A6:2.61kg/m2 layer of Steel Fabric Reinforcement Cost Data Price A6:2.61kg/m2 RM10.00/m2 Allow 5% wastage Lablour cost 2 unskilled labour, 8hoours/day RM52.50/person allow 10% idling time Allow 15% profit including overhead Calculation for BRC A6:2.61kg/m2 material cost Allow 5% wastage RM10 x 1.05 = RM10.5 Labour cost Two unskilled worker per hour RM52.50/8x2 = RM13.13/h allow 10% idling time RM13.13 x 1.10 = RM14.14/h total cost RM10.5 + RM14.14 = RM24.64/m2 Allow 15% profit including overhead RM24.63 x 1.15% = RM28.34/m2 A8:3.01kg/m2 layer of Steel Fabric Reinforcement Cost Data Price A8:3.01kg/m2 RM12.10/m2 Allow 5% wastage Lablour cost 2 unskilled labour, 8hoours/day RM52.50/person allow 10% idling time Allow 15% profit including overhead Calculation for BRC A8:3.01kg/m2 material cost Allow 5% wastage RM12.10 x 1.05% = RM12.71/m2 Labour cost Two unskilled worker per hour RM52.50/8x2 = RM13.13/h allow 10% idling time RM13.13 x 1.10 = RM14.14/h total cost RM12.71 + RM14.14 = RM26.85 Allow 15% profit including overhead RM26.85 x 1.15% = RM30.88/m2