To calculate the build up rates, the question is at the bottom of the page

End lap (mm) No. of tiles (265mm x 165mm) (No./m2) Length of batten (m/m2) 60 59.13 9.76 65 60,61 10,00 70 62.16 10.26 75 63.80 10.53 80 65.52 10,81 85 67.34 11.11 Table 12: Nails use for installation of tiles No. of nails for tiles size 265mm x165mm (2 nails/tile) No. of nails for batten (1 nail/rafter) Rafter's c/c (mm) End laps (mm) Layer of tile being nailed) Each layer Every 2 layers Every 3 layers Every 4 layers Every 5 layers 400 600 60 119 60 40 30 24 25 17 65 122 61 41 31 25 25 17 70 125 63 42 31 25 26 17 75 128 64 43 32 26 26 18 80 132 66 44 33 27 28 19 85 135 68 45 34 27 28 19 Table 13: Batten and labour output for installation of roof tiles Bar Diameter (mm) Tying Wire (KG)/tonne re bar 6-12 10 kg 16 - 25 6 kg 32-50 5 kg unloading & arranging the rebar by a GENERAL LABOUR takes 1.50hrs/tonnes Table 10: Labour constant for Placing of Concrete by hand DESCRIPTIONS UNIT UNSKILLED WORKER (HOUR/M3) Pad foundation M3 6.10 Ground floor slab 300mm thick M3 5.30 Upper floor slab 300mm thick M3 6.70 Wall 300mm thick M3 7.80 Columns and beams M3 8.25 mixing of concrete by a GENERAL LABOUR takes 2 hours/m3 Table 11: Quantity of Tiles and Batten in 1m2 Hours/tonne (1000kg) (Bar bender & Fixer) Location of rebar 6-8 mm 10-12 mm 16-20mm > 25 mm 40hrs 30hrs 25hrs 20hrs Foundation & bed Suspended floor & roof 50hrs 40hrs 30hrs 25hrs Wall, column, beam & staircase 70hrs 50hrs 35hrs 30hrs Stirrups & links 90hrs 70hrs 60hrs Table 7: Labour constant for cutting and bending reinforcement bar Hours/tonne (1000kg) (Bar bender & Fixer) Re-bar 6-8 mm 10-12 mm 16-20mm > 25 mm Straight & bend bar 40 hrs 30 hrs 20 hrs 15 hrs Stirrups/links 65hrs 50hrs 30hrs Table 8: Percentage of wastage and distance block for in material cost Bar Preparation % allowed Cutting bar on site 5 Readymade cutting 2 Table 9: The Quantity of Tying Wire Used for Per Tonne Re-bar Works Table 1: fuel and lubricant consumption for different excavator Excavator (m3) 1/4 3/8 1/2 Average output Diesel/hour (litre) (m3/hour) 8 4.00 9 5.00 12 6.00 7.00 25 9.00 Lubricant/week (litre) (7 days/week) 9.00 12.00 14.00 16.00 18.00 3/4 18 Table 2: Labour constant to construct Im2 brickwall Description of work Bricklayer (hours/m2) General labour (hours/m2) 12 brickwall in common bricks 1.00 0.35 1 brickwall in common bricks 1.75 0.70 12 brickwall in facing bricks 2.00 0.50 1 brickwall in facing bricks 3.50 1.00 Table 3: Mortar volume (m) for per mbrick wall Description of work mortar (m3/m2) brickwall 0.025 1 brickwall 0.050 142 brickwall 0.075 Table 4: Number of bricks in 1m2 Type 12 brickwall 1 brickwall 19 brickwall No. of bricks 63 125 188 Table 5: Labour constant for erect and dismantle formwork in 1m2 Location Prepare and erect (hour/ m2) (1:1) gang Carpenter Gen. labour 1.00 0.75 1.50 0.75 Dismantling (hour/m2) Gen. labour 0.75 0.75 Floor, roof, wall Beam, column staircase Table 6: Labour constant for fixing and tying the reinforcement bar. Item Description Unit Quantity Rate (RM) Amount (RM) Supply, delivery and unload of approved timber piles complete with shoes, and all necessary components to the satisfaction of S.O A No 150 Total number of initial pile 6.00m long complete with 125mm x 125mm x 5 kg mild steel shoe. B m 900 Total length of extension pile exceeding 3.00m. Based on the Bill of Quantity above, price the item A and B using the following information. a) Initial pile Assumption: The timber initial pile with mild steel shoe will be transported by 5-tonne lorry to site and will be unloaded from the lorry by 15-tonne crane and general labour. The mild steel shoe will be install on-site by general labour. Cost of timber piles = RM 95.00o (including delivery to site) Cost of pile shoes = RM 15.00o (including delivery to site) 5- tonne lorry able to carry loads of 80 no. of piles. Time taken for unloading the loads from the lorry by 15-tonne crane and 2 general labours = 0.75 hours Rental rate of 15-t crane @ RM600/day QUS3209 (F) /Page 3 of 13 G.Labour rate @ RM60 day Time taken for installing pile shoe by 1 general labour = 15 minutes per no. (including shaving the pile end) to allow, say RM0.50 per no pile for timber preservative to shaved end 5% wastages 15% Overhead and profit in the final cost. (15 marks) b) Extension pile Assumptions: Length of exten pile = 6.00m Cost of timber piles = RM 95.00o (including delivery to site) 5 tonne lorry loads = 80 no. of piles Unloading the loads from the lorry by 15-t crane and 2 general labours @ 0.75 hours. Rental rate for 15-t lorry @ RM600/day G. labour rate @ RM60/day Allow 5% wastages 15% Overhead and profit in the final cost. End lap (mm) No. of tiles (265mm x 165mm) (No./m2) Length of batten (m/m2) 60 59.13 9.76 65 60,61 10,00 70 62.16 10.26 75 63.80 10.53 80 65.52 10,81 85 67.34 11.11 Table 12: Nails use for installation of tiles No. of nails for tiles size 265mm x165mm (2 nails/tile) No. of nails for batten (1 nail/rafter) Rafter's c/c (mm) End laps (mm) Layer of tile being nailed) Each layer Every 2 layers Every 3 layers Every 4 layers Every 5 layers 400 600 60 119 60 40 30 24 25 17 65 122 61 41 31 25 25 17 70 125 63 42 31 25 26 17 75 128 64 43 32 26 26 18 80 132 66 44 33 27 28 19 85 135 68 45 34 27 28 19 Table 13: Batten and labour output for installation of roof tiles Bar Diameter (mm) Tying Wire (KG)/tonne re bar 6-12 10 kg 16 - 25 6 kg 32-50 5 kg unloading & arranging the rebar by a GENERAL LABOUR takes 1.50hrs/tonnes Table 10: Labour constant for Placing of Concrete by hand DESCRIPTIONS UNIT UNSKILLED WORKER (HOUR/M3) Pad foundation M3 6.10 Ground floor slab 300mm thick M3 5.30 Upper floor slab 300mm thick M3 6.70 Wall 300mm thick M3 7.80 Columns and beams M3 8.25 mixing of concrete by a GENERAL LABOUR takes 2 hours/m3 Table 11: Quantity of Tiles and Batten in 1m2 Hours/tonne (1000kg) (Bar bender & Fixer) Location of rebar 6-8 mm 10-12 mm 16-20mm > 25 mm 40hrs 30hrs 25hrs 20hrs Foundation & bed Suspended floor & roof 50hrs 40hrs 30hrs 25hrs Wall, column, beam & staircase 70hrs 50hrs 35hrs 30hrs Stirrups & links 90hrs 70hrs 60hrs Table 7: Labour constant for cutting and bending reinforcement bar Hours/tonne (1000kg) (Bar bender & Fixer) Re-bar 6-8 mm 10-12 mm 16-20mm > 25 mm Straight & bend bar 40 hrs 30 hrs 20 hrs 15 hrs Stirrups/links 65hrs 50hrs 30hrs Table 8: Percentage of wastage and distance block for in material cost Bar Preparation % allowed Cutting bar on site 5 Readymade cutting 2 Table 9: The Quantity of Tying Wire Used for Per Tonne Re-bar Works Table 1: fuel and lubricant consumption for different excavator Excavator (m3) 1/4 3/8 1/2 Average output Diesel/hour (litre) (m3/hour) 8 4.00 9 5.00 12 6.00 7.00 25 9.00 Lubricant/week (litre) (7 days/week) 9.00 12.00 14.00 16.00 18.00 3/4 18 Table 2: Labour constant to construct Im2 brickwall Description of work Bricklayer (hours/m2) General labour (hours/m2) 12 brickwall in common bricks 1.00 0.35 1 brickwall in common bricks 1.75 0.70 12 brickwall in facing bricks 2.00 0.50 1 brickwall in facing bricks 3.50 1.00 Table 3: Mortar volume (m) for per mbrick wall Description of work mortar (m3/m2) brickwall 0.025 1 brickwall 0.050 142 brickwall 0.075 Table 4: Number of bricks in 1m2 Type 12 brickwall 1 brickwall 19 brickwall No. of bricks 63 125 188 Table 5: Labour constant for erect and dismantle formwork in 1m2 Location Prepare and erect (hour/ m2) (1:1) gang Carpenter Gen. labour 1.00 0.75 1.50 0.75 Dismantling (hour/m2) Gen. labour 0.75 0.75 Floor, roof, wall Beam, column staircase Table 6: Labour constant for fixing and tying the reinforcement bar. Item Description Unit Quantity Rate (RM) Amount (RM) Supply, delivery and unload of approved timber piles complete with shoes, and all necessary components to the satisfaction of S.O A No 150 Total number of initial pile 6.00m long complete with 125mm x 125mm x 5 kg mild steel shoe. B m 900 Total length of extension pile exceeding 3.00m. Based on the Bill of Quantity above, price the item A and B using the following information. a) Initial pile Assumption: The timber initial pile with mild steel shoe will be transported by 5-tonne lorry to site and will be unloaded from the lorry by 15-tonne crane and general labour. The mild steel shoe will be install on-site by general labour. Cost of timber piles = RM 95.00o (including delivery to site) Cost of pile shoes = RM 15.00o (including delivery to site) 5- tonne lorry able to carry loads of 80 no. of piles. Time taken for unloading the loads from the lorry by 15-tonne crane and 2 general labours = 0.75 hours Rental rate of 15-t crane @ RM600/day QUS3209 (F) /Page 3 of 13 G.Labour rate @ RM60 day Time taken for installing pile shoe by 1 general labour = 15 minutes per no. (including shaving the pile end) to allow, say RM0.50 per no pile for timber preservative to shaved end 5% wastages 15% Overhead and profit in the final cost. (15 marks) b) Extension pile Assumptions: Length of exten pile = 6.00m Cost of timber piles = RM 95.00o (including delivery to site) 5 tonne lorry loads = 80 no. of piles Unloading the loads from the lorry by 15-t crane and 2 general labours @ 0.75 hours. Rental rate for 15-t lorry @ RM600/day G. labour rate @ RM60/day Allow 5% wastages 15% Overhead and profit in the final cost