CPCCBC4004A Assessment: Detailed Building Project Cost Estimation
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This document presents a detailed cost estimation report for a building project, encompassing various aspects of construction from preliminary tasks to handover. It includes a summary of the bill cost budget, itemized costs for hydraulics, electrical work, kitchen cupboards, insulation, and more. The report also provides detailed calculations for bored excavation, bulk excavation, N25 concrete requirements, SL72 reinforcing mesh, structural steel, roof construction, external openings, plasterboard, and finishes. It incorporates prime cost items and provisional sums as per the CPCCBC4004A assessment requirements, offering a comprehensive overview of the project's financial aspects. The report breaks down each construction phase, providing quantities, rates, and total costs, making it a valuable resource for understanding building project expenses. This document is available on Desklib, a platform offering a wide range of solved assignments and study resources.
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ESTIMATED COSTS FOR BUILDING PROJECTS 1
Estimated Costs for Building and
Construction Projects
Summary
Summary Of Bill Cost
Budget in
$
1- Preliminary 8320
Bored excavation for 300mm diameter
piers
7000
Bulk excavation for general site
preparation
75000
N25 concrete for the ground slab (beams,
patio slab and pad footings)
30500
SL72 reinforcing mesh for the ground slabs 30000
Lengths of SL12TM for ground slab
construction
9200
Structural steel 89000
Roof construction 1035
External opening 4586.5
Plasterboard 1880
Finishes 3720
Ceramic floor tiles 9320
Plumbing 6310
Estimated Costs for Building and
Construction Projects
Summary
Summary Of Bill Cost
Budget in
$
1- Preliminary 8320
Bored excavation for 300mm diameter
piers
7000
Bulk excavation for general site
preparation
75000
N25 concrete for the ground slab (beams,
patio slab and pad footings)
30500
SL72 reinforcing mesh for the ground slabs 30000
Lengths of SL12TM for ground slab
construction
9200
Structural steel 89000
Roof construction 1035
External opening 4586.5
Plasterboard 1880
Finishes 3720
Ceramic floor tiles 9320
Plumbing 6310
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ESTIMATED COSTS FOR BUILDING PROJECTS 2
Drainage 10490
Electricity 13950
Subtotal 300311.5
margin 15% 374202.1
3
GST 3% 86066.49
Total 760580.1
2
Drainage 10490
Electricity 13950
Subtotal 300311.5
margin 15% 374202.1
3
GST 3% 86066.49
Total 760580.1
2
ESTIMATED COSTS FOR BUILDING PROJECTS 3
Preliminaries
Item Particulars Unit Quantity Rate Cost in $
1 1. Hydraulics works
including plumbing,
drainage and roof
plumbing
2. Electrical work complete
3. Kitchen cupboards
4. Insulation to walls and
ceilings
5. Shower screens
6. Garage door
7. Staircase
8. Landscaping
9. Floor coverings
Each 1 $20,000.00
$15,000.00
$12,000.00
$ 4,000.00
$ 1,200.00
$ 4,000.00
$ 5,000.00
$12,000.00
$10,000.00
Total $83,200
Preliminaries
Item Particulars Unit Quantity Rate Cost in $
1 1. Hydraulics works
including plumbing,
drainage and roof
plumbing
2. Electrical work complete
3. Kitchen cupboards
4. Insulation to walls and
ceilings
5. Shower screens
6. Garage door
7. Staircase
8. Landscaping
9. Floor coverings
Each 1 $20,000.00
$15,000.00
$12,000.00
$ 4,000.00
$ 1,200.00
$ 4,000.00
$ 5,000.00
$12,000.00
$10,000.00
Total $83,200
ESTIMATED COSTS FOR BUILDING PROJECTS 4
Bored excavation for 300mm diameter piers
Total volume is calculated by considering bulking factor of soil (Peterson, 2014).
Summary:
A total of 53 53 Ø300mm and 2.5m deep pier bores shall be excavated. For all the 53 piers, a
total volume of about 14m3 of soil material will be excavated for the piers to be bored.
Ite
m
Particulars Unit Quantit
y
Rate Cost in $
1 Bored excavation volume for 53 Ø300mm
and 2.5m deep piers
Cross sectional area of pier = πr2 = π x 0.152 =
0.07m2
Volume of pier = cross sectional area x depth
= 0.07 x 2.5 = 0.18m3
Volume of 53 piers = 0.18m3 x 53 = 9.54m3
Assume bulking factor of 1.4 (clay soil), total
volume of soil material to be excavated for
boring of piers = 1.4 x 9.54 = 13.6m3
m3 14 $500 $7,000
Bored excavation for 300mm diameter piers
Total volume is calculated by considering bulking factor of soil (Peterson, 2014).
Summary:
A total of 53 53 Ø300mm and 2.5m deep pier bores shall be excavated. For all the 53 piers, a
total volume of about 14m3 of soil material will be excavated for the piers to be bored.
Ite
m
Particulars Unit Quantit
y
Rate Cost in $
1 Bored excavation volume for 53 Ø300mm
and 2.5m deep piers
Cross sectional area of pier = πr2 = π x 0.152 =
0.07m2
Volume of pier = cross sectional area x depth
= 0.07 x 2.5 = 0.18m3
Volume of 53 piers = 0.18m3 x 53 = 9.54m3
Assume bulking factor of 1.4 (clay soil), total
volume of soil material to be excavated for
boring of piers = 1.4 x 9.54 = 13.6m3
m3 14 $500 $7,000
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ESTIMATED COSTS FOR BUILDING PROJECTS 5
Bulk excavation for general site preparation (DelPico, 2012)
Summary:
A total of 150m3 of shall be excavated from the site during general preparation of the site. This
bulk volume includes working space, which extends outside the building towards the boundary
by 1m. The longest side of the building shall also be battered at an angle of 45 degrees and a
width of 1m from the building. The total bulk volume of 150m3 to be excavated includes the
actual site of the house, working space and battered volume. The subcontractor has to use this
Ite
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Particulars Unit Quantit
y
Rate Cost in $
2 Bulk excavation m3 150 $500 $75,000
Overall bulk area of excavation (plus working
space) = (12.83 + 4.08 + 2.00) x (11.87 +
2.00)
= 18.91 x 13.87 = 262.28
Estimated depths at corners: NE – 0.69m,
NW - 0.55m, SE – 0.50 and SW – 0.45)
Average depth = (0.690 + 0.54 + 0.45 +
0.40)/4 = 0.55m
Volume of bulk excavation = area x depth
= 262.28m2 x 0.55m = 144.25
Assume that only one side is battered =
18.91m x 1.0m wide x 0.55m = 10.40m3
Since battering is done at 45 degrees, battered
volume is = 0.5 x 10.40 = 5.20
Total volume of bulk excavation = 144.25 +
5.20 = 149.45
Bulk excavation for general site preparation (DelPico, 2012)
Summary:
A total of 150m3 of shall be excavated from the site during general preparation of the site. This
bulk volume includes working space, which extends outside the building towards the boundary
by 1m. The longest side of the building shall also be battered at an angle of 45 degrees and a
width of 1m from the building. The total bulk volume of 150m3 to be excavated includes the
actual site of the house, working space and battered volume. The subcontractor has to use this
Ite
m
Particulars Unit Quantit
y
Rate Cost in $
2 Bulk excavation m3 150 $500 $75,000
Overall bulk area of excavation (plus working
space) = (12.83 + 4.08 + 2.00) x (11.87 +
2.00)
= 18.91 x 13.87 = 262.28
Estimated depths at corners: NE – 0.69m,
NW - 0.55m, SE – 0.50 and SW – 0.45)
Average depth = (0.690 + 0.54 + 0.45 +
0.40)/4 = 0.55m
Volume of bulk excavation = area x depth
= 262.28m2 x 0.55m = 144.25
Assume that only one side is battered =
18.91m x 1.0m wide x 0.55m = 10.40m3
Since battering is done at 45 degrees, battered
volume is = 0.5 x 10.40 = 5.20
Total volume of bulk excavation = 144.25 +
5.20 = 149.45
ESTIMATED COSTS FOR BUILDING PROJECTS 6
value to determine the most suitable equipment to use for bulk excavation and if the excavated
material will have to be cart away.
N25 concrete for the ground slab (beams, patio slab and pad footings)
Thickness of slab = 150mm = 0.15m
Thickness of beam = 450mm = 0.35m
Width of beam = 100mm = 0.1m
Item Particulars Unit Quantity Rate Cost in $
3 N25 Concrete for ground slab m3
Slab on ground = length x width x slab
thickness
= 12.83m x 11.87m x 0.15m = 22.84
m3 23 $1000/m3 $23000
Patio slab = length x width x thickness
= 6.35m x 1.67m x 0.15m = 1.59
m3 2 $500/m3 $1000
Family room = length x width x thickness
= 5.51m x 4.08m x 0.15m = 3.37
m3 4 $500/m3 $2000
Beams on slab = total length of beams x
width of beam x depth of beam
= 82.82m x 0.1m x 0.45m = 3.73
m3 4 $500/m3 $2000
Pad Footings
Area = 10(1.2 x 0.9) + (0.35 x 2.4)
= 10.80 + 0.84 = 11.64m2
Volume = area x depth
= 11.64 x 0.35 = 4.074
m3 5 $500/m3 $2500
Total m3 38 $30,500
value to determine the most suitable equipment to use for bulk excavation and if the excavated
material will have to be cart away.
N25 concrete for the ground slab (beams, patio slab and pad footings)
Thickness of slab = 150mm = 0.15m
Thickness of beam = 450mm = 0.35m
Width of beam = 100mm = 0.1m
Item Particulars Unit Quantity Rate Cost in $
3 N25 Concrete for ground slab m3
Slab on ground = length x width x slab
thickness
= 12.83m x 11.87m x 0.15m = 22.84
m3 23 $1000/m3 $23000
Patio slab = length x width x thickness
= 6.35m x 1.67m x 0.15m = 1.59
m3 2 $500/m3 $1000
Family room = length x width x thickness
= 5.51m x 4.08m x 0.15m = 3.37
m3 4 $500/m3 $2000
Beams on slab = total length of beams x
width of beam x depth of beam
= 82.82m x 0.1m x 0.45m = 3.73
m3 4 $500/m3 $2000
Pad Footings
Area = 10(1.2 x 0.9) + (0.35 x 2.4)
= 10.80 + 0.84 = 11.64m2
Volume = area x depth
= 11.64 x 0.35 = 4.074
m3 5 $500/m3 $2500
Total m3 38 $30,500
ESTIMATED COSTS FOR BUILDING PROJECTS 7
Summary:
A total volume of 38m3 of N25 concrete shall be required for the whole ground slab, including
beams, patio slab and pad footings but excluding piers. Depending on the mix design
recommended by the engineer, it noes becomes easier to determine the volume of concrete
ingredients (concrete, coarse and fine aggregates and sand) needed for the ground slab.
SL72 reinforcing mesh for the ground slabs
Item Particulars Unit Quantit
y
Rate Cost in $
4 Number of SL72 Reinforcing Mesh Sheets
4 Area of ground slab to be reinforced with
mesh (including 50mm cover)
= length x width = 11.98m x 11.02m
= 132.02m2
Area of family room to be reinforced with
mesh
= length x width = 4.66m x 3.68m = 17.15m2
Total area of slab to be covered = 132.02 +
17.15 = 149.17m2
m2 150 $200/m2 $30,000
Number of sheets = total area of slab/
effective area of SL72
Total area of slab to be reinforced with SL72
mesh = 150m2
Effective area of SL72 sheet = 5.8m x 2.2m =
12.76m2
Number of SL reinforcing mesh sheets =
150/12.76 = 11.76
No 12
Summary:
A total volume of 38m3 of N25 concrete shall be required for the whole ground slab, including
beams, patio slab and pad footings but excluding piers. Depending on the mix design
recommended by the engineer, it noes becomes easier to determine the volume of concrete
ingredients (concrete, coarse and fine aggregates and sand) needed for the ground slab.
SL72 reinforcing mesh for the ground slabs
Item Particulars Unit Quantit
y
Rate Cost in $
4 Number of SL72 Reinforcing Mesh Sheets
4 Area of ground slab to be reinforced with
mesh (including 50mm cover)
= length x width = 11.98m x 11.02m
= 132.02m2
Area of family room to be reinforced with
mesh
= length x width = 4.66m x 3.68m = 17.15m2
Total area of slab to be covered = 132.02 +
17.15 = 149.17m2
m2 150 $200/m2 $30,000
Number of sheets = total area of slab/
effective area of SL72
Total area of slab to be reinforced with SL72
mesh = 150m2
Effective area of SL72 sheet = 5.8m x 2.2m =
12.76m2
Number of SL reinforcing mesh sheets =
150/12.76 = 11.76
No 12
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ESTIMATED COSTS FOR BUILDING PROJECTS 8
Summary:
The total area of slab that requires to be covered by the SL72 reinforcing mesh is 150m2. Based
on this area (and putting into consideration the required overlap length and cover at the edges),
the number of 6.0m x 2.4m with 400mm lap SL72 reinforcing sheets required to complete the
slab is 12.
Lengths of SL12TM for ground slab construction
Summary:
Ite
m
Particulars Unit Quantit
y
Rate Cost in $
5 Length and number of SL12TM Trench Mesh
Length of trench mesh (including 200mm lap)
= length of one trench x number of trenches
= 13.23m x 3 = 39.69m
= length of one trench x number of trenches
= 12.27m x 3 = 36.81m
= length of one trench x number of trenches
= 4.48m x 2 = 8.96m
= length of one trench x number of trenches
= 5.91m x 1 = 5.91m
Total length of trench mesh = 39.69 + 36.81 +
8.96 + 5.91 = 91.37
m 92 $100 $9,200
Number of SL12TM trench mesh
16 sheets
= Length of trenches/length of trench sheets
= 92/6 = 15.33
No 16
Summary:
The total area of slab that requires to be covered by the SL72 reinforcing mesh is 150m2. Based
on this area (and putting into consideration the required overlap length and cover at the edges),
the number of 6.0m x 2.4m with 400mm lap SL72 reinforcing sheets required to complete the
slab is 12.
Lengths of SL12TM for ground slab construction
Summary:
Ite
m
Particulars Unit Quantit
y
Rate Cost in $
5 Length and number of SL12TM Trench Mesh
Length of trench mesh (including 200mm lap)
= length of one trench x number of trenches
= 13.23m x 3 = 39.69m
= length of one trench x number of trenches
= 12.27m x 3 = 36.81m
= length of one trench x number of trenches
= 4.48m x 2 = 8.96m
= length of one trench x number of trenches
= 5.91m x 1 = 5.91m
Total length of trench mesh = 39.69 + 36.81 +
8.96 + 5.91 = 91.37
m 92 $100 $9,200
Number of SL12TM trench mesh
16 sheets
= Length of trenches/length of trench sheets
= 92/6 = 15.33
No 16
ESTIMATED COSTS FOR BUILDING PROJECTS 9
The total length of SL12TM trench mesh needed for ground slab (including overlap of 200mm at
each end) is 92m. Since each trench measure comes in 6m lengths, the number of lengths of
SL12TM trench mesh needed is 16. Therefore the contractor will have to supply 16 sheets of 6m
long SL12TM trench mesh.
Structural steel
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m
Particulars Unit Quantity Rate Cost in $
6 Structural steel tonnes 1.78 $5000
0
$89, 000
B1
Weight = 25.7kg/m x 12.83m = 329.73kg
B2
Weight = 32kg/m x 12.83m = 410.56kg
B3
Weight = 14kg/m x 11.87m = 166.18kg
B4
Weight = 14kg/m x 11.87m = 166.18kg
B6
Weight = 14kg/m x 11.87m = 166.18kg
B5
Weight = 31.6kg/m x 12.83m = 405.43kg
L1
Weight = 14.6kg/m x 4.08m = 59.57kg
L2
The total length of SL12TM trench mesh needed for ground slab (including overlap of 200mm at
each end) is 92m. Since each trench measure comes in 6m lengths, the number of lengths of
SL12TM trench mesh needed is 16. Therefore the contractor will have to supply 16 sheets of 6m
long SL12TM trench mesh.
Structural steel
Ite
m
Particulars Unit Quantity Rate Cost in $
6 Structural steel tonnes 1.78 $5000
0
$89, 000
B1
Weight = 25.7kg/m x 12.83m = 329.73kg
B2
Weight = 32kg/m x 12.83m = 410.56kg
B3
Weight = 14kg/m x 11.87m = 166.18kg
B4
Weight = 14kg/m x 11.87m = 166.18kg
B6
Weight = 14kg/m x 11.87m = 166.18kg
B5
Weight = 31.6kg/m x 12.83m = 405.43kg
L1
Weight = 14.6kg/m x 4.08m = 59.57kg
L2
ESTIMATED COSTS FOR BUILDING PROJECTS 10
Summary:
The total weight of structural steel needed for the project is 1.78 tonnes.
Roof construction
Weight = 14.6kg/m x 5.51m = 80.45kg
Total weight = 329.73 + 410.56 + 166.18 +
166.18 + 166.18 + 405.43 + 59.57 + 80.45 =
1784.28kg
Ite
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Particulars Unit Quantit
y
Rate Cost in $
4 Roof construction m3
4 (a) Rafters and beams
Length = 150 mm
Width = 50 mm
Area = 150 mm * 50 = 7500 mm2
Total time to be taken = 5 hrs
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
4 (b) Strut
100 mm * 50 mm = 5000 mm2
Total time taken = 5 hours
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
Purlins
75 mm * 50 mm = 1750 mm2
Total time taken = 3 hours Hours 3 $45 $135
Summary:
The total weight of structural steel needed for the project is 1.78 tonnes.
Roof construction
Weight = 14.6kg/m x 5.51m = 80.45kg
Total weight = 329.73 + 410.56 + 166.18 +
166.18 + 166.18 + 405.43 + 59.57 + 80.45 =
1784.28kg
Ite
m
Particulars Unit Quantit
y
Rate Cost in $
4 Roof construction m3
4 (a) Rafters and beams
Length = 150 mm
Width = 50 mm
Area = 150 mm * 50 = 7500 mm2
Total time to be taken = 5 hrs
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
4 (b) Strut
100 mm * 50 mm = 5000 mm2
Total time taken = 5 hours
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
Purlins
75 mm * 50 mm = 1750 mm2
Total time taken = 3 hours Hours 3 $45 $135
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ESTIMATED COSTS FOR BUILDING PROJECTS 11
External opening
Total amount on labor = 3 hours * $45 = $135
Ridges boards
225 mm * 25 mm = 5625 mm2
Total time taken = 5 hours
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
Fiscial board
200 m * 25 mm = 5000 mm2
Total time taken = 5 hours
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
Rate of Carpenter rate per hour = $45.00
Total cost of construction of roof = $1035
$1035
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Particulars Unit Quantity Rate Cost in $
6 External opening
External opening
Door frames and finishes
Wrot mahogany
Rebated frame
200 mm * 50 mm = 0.2 m * 0.05 m = 0.01 m2
Number of frame = 3000
Quantity = 0.01 * 3000 = 30 m2
M2 30 $45 $1350
Architrave M2 62.5 $45 $2812.50
External opening
Total amount on labor = 3 hours * $45 = $135
Ridges boards
225 mm * 25 mm = 5625 mm2
Total time taken = 5 hours
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
Fiscial board
200 m * 25 mm = 5000 mm2
Total time taken = 5 hours
Total amount on labor = 5 hours * $45 = $225 Hours 5 $45 $225
Rate of Carpenter rate per hour = $45.00
Total cost of construction of roof = $1035
$1035
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Particulars Unit Quantity Rate Cost in $
6 External opening
External opening
Door frames and finishes
Wrot mahogany
Rebated frame
200 mm * 50 mm = 0.2 m * 0.05 m = 0.01 m2
Number of frame = 3000
Quantity = 0.01 * 3000 = 30 m2
M2 30 $45 $1350
Architrave M2 62.5 $45 $2812.50
ESTIMATED COSTS FOR BUILDING PROJECTS 12
50 mm * 25 mm = 0.05 m * 0.025 m =
0.00125 m2
Total number = 1000
Quantity = 0.00125 * 1000 = 1.25 m2
Total area = 30 + 1.25 = 31.25
Number of doors = 2
Total area = 31. 25 m2 * 2 = 62.5 m2
Carpenter rate per hour = $45
Windows
Windows size = 1500 mm * 1500 mm =
2250000 mm2
Number of windows = 4
Total area = 4 * 2250000 mm2 = 9000000
mm2 = 9.0 m2
M2 9 $45 $405
Windows board
125 mm * 25 mm = 3125 mm2 = 0.003125
m2
M2 0.003125 $300 $1.0
Curtain rod
25 mm diameter chrome curtain rod
20 mm diameter curtain
Number of curtain rod = 6
Fixing of curtain rod = 6 hours
Rate of fixing curtain rod per hour = $3
Total cost = 6 hours * $3 = $18
Hours 6 $3 $18
50 mm * 25 mm = 0.05 m * 0.025 m =
0.00125 m2
Total number = 1000
Quantity = 0.00125 * 1000 = 1.25 m2
Total area = 30 + 1.25 = 31.25
Number of doors = 2
Total area = 31. 25 m2 * 2 = 62.5 m2
Carpenter rate per hour = $45
Windows
Windows size = 1500 mm * 1500 mm =
2250000 mm2
Number of windows = 4
Total area = 4 * 2250000 mm2 = 9000000
mm2 = 9.0 m2
M2 9 $45 $405
Windows board
125 mm * 25 mm = 3125 mm2 = 0.003125
m2
M2 0.003125 $300 $1.0
Curtain rod
25 mm diameter chrome curtain rod
20 mm diameter curtain
Number of curtain rod = 6
Fixing of curtain rod = 6 hours
Rate of fixing curtain rod per hour = $3
Total cost = 6 hours * $3 = $18
Hours 6 $3 $18
ESTIMATED COSTS FOR BUILDING PROJECTS 13
Plasterboard
Item Particulars Unit Quantity Rate Amount
Plasterboard
Area of plasterboard
Assume that the height of plasterboard wall is
2.4m
Area of wall = length of wall x height of wall
A1 = 11.93m x 2.4m = 28.63m2
A2 = 11.93m x 2.4m = 28.63m2
A3 = 11.93m x 2.4m = 28.63m2
A4 = 11.93m x 2.4m = 28.63m2
A5 = 10.97m x 2.4m = 26.33m2
A6 = 10.97m x 2.4m = 26.33m2
m2 188 $10 $1880
Plasterboard
Item Particulars Unit Quantity Rate Amount
Plasterboard
Area of plasterboard
Assume that the height of plasterboard wall is
2.4m
Area of wall = length of wall x height of wall
A1 = 11.93m x 2.4m = 28.63m2
A2 = 11.93m x 2.4m = 28.63m2
A3 = 11.93m x 2.4m = 28.63m2
A4 = 11.93m x 2.4m = 28.63m2
A5 = 10.97m x 2.4m = 26.33m2
A6 = 10.97m x 2.4m = 26.33m2
m2 188 $10 $1880
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ESTIMATED COSTS FOR BUILDING PROJECTS 14
Summary:
The total area of wall that will be covered with plasterboard is 245m2 and a total of 86
plasterboard sheets measuring 1200mm wide and 2400mm long shall be required for the project.
A7 = 10.97m x 2.4m = 26.33m2
A8 = 10.97m x 2.4m = 26.33m2
A9 = 3.63m x 2.4m = 8.71m2
A10 = 3.63m x 2.4m = 8.71m2
A11 = 4.61m x 2.4m = 11.06m2
A12 = 4.61m x 2.4m = 11.06m2
Total area of walls = 4(28.63) + 4(26.33) +
2(8.71) + 2(11.06) = 259.38m2
Deduct area of doors and windows
Total area of doors = 2(31.25 m2) = 62.50m2
Area of windows = 4(2.25 m2) = 9.0m2
Total area of doors and windows = 9.00 +
62.5 = 71.50 m2
Net measure = 259.38 – 71.5= 187.88 m2
Summary:
The total area of wall that will be covered with plasterboard is 245m2 and a total of 86
plasterboard sheets measuring 1200mm wide and 2400mm long shall be required for the project.
A7 = 10.97m x 2.4m = 26.33m2
A8 = 10.97m x 2.4m = 26.33m2
A9 = 3.63m x 2.4m = 8.71m2
A10 = 3.63m x 2.4m = 8.71m2
A11 = 4.61m x 2.4m = 11.06m2
A12 = 4.61m x 2.4m = 11.06m2
Total area of walls = 4(28.63) + 4(26.33) +
2(8.71) + 2(11.06) = 259.38m2
Deduct area of doors and windows
Total area of doors = 2(31.25 m2) = 62.50m2
Area of windows = 4(2.25 m2) = 9.0m2
Total area of doors and windows = 9.00 +
62.5 = 71.50 m2
Net measure = 259.38 – 71.5= 187.88 m2
ESTIMATED COSTS FOR BUILDING PROJECTS 15
Finishes
66x18mm finished DAR primed pine skirting
Item Particulars Unit Quantity Rate Amount
66x18mm finished DAR primed pine skirting
Length of skirting
L1 = 11.93m
L2 = 11.93m
L3 = 11.93m
L4 = 11.93m
L5 = 10.97m
L6 = 10.97m
m 114 $20 $2280
Finishes
66x18mm finished DAR primed pine skirting
Item Particulars Unit Quantity Rate Amount
66x18mm finished DAR primed pine skirting
Length of skirting
L1 = 11.93m
L2 = 11.93m
L3 = 11.93m
L4 = 11.93m
L5 = 10.97m
L6 = 10.97m
m 114 $20 $2280
ESTIMATED COSTS FOR BUILDING PROJECTS 16
Summary:
L7 = 10.97m
L8 = 10.97m
L9 = 3.63m
L10 = 3.63m
L11 = 4.61m
L12 = 4.61m
Total length of skirting = 4(11.93) + 4(10.97)
+ 2(3.63) + 2(4.61) = 108.08m
Plus 5% wastage
Total length of skirting (including wastage) =
1.05 x 108.08 = 113.48
Number of skirting lengths
The selected length of 66x18mm finished
DAR primed pine skirting is 2.7m
Number of skirting lengths = length of
skirting/ selected length of skirting
L1: 11.93m/2.7m = 4.42 = 5 sheets
L2: 11.93m/2.7m = 4.42 = 5 sheets
L3: 11.93m/2.7m = 4.42 = 5 sheets
L4: 11.93m/2.7m = 4.42 = 5 sheets
L5: 10.97m/2.7m = 4.06 = 5 sheets
L6: 10.97m/2.7m = 4.06 = 5 sheets
L7: 10.97m/2.7m = 4.06 = 5 sheets
L8: 10.97m/2.7m = 4.06 = 5 sheets
L9: 3.63m/2.7m = 1.34 = 2 sheets
L10: 3.63m/2.7m = 1.34 = 2 sheets
L11: 4.61m/2.7m = 1.71 = 2 sheets
L12: 4.61m/2.7m = 1.71 = 2 sheets
Total sheets = 8(5) + 4(2) = 48
No 48 $30 $1440
Summary:
L7 = 10.97m
L8 = 10.97m
L9 = 3.63m
L10 = 3.63m
L11 = 4.61m
L12 = 4.61m
Total length of skirting = 4(11.93) + 4(10.97)
+ 2(3.63) + 2(4.61) = 108.08m
Plus 5% wastage
Total length of skirting (including wastage) =
1.05 x 108.08 = 113.48
Number of skirting lengths
The selected length of 66x18mm finished
DAR primed pine skirting is 2.7m
Number of skirting lengths = length of
skirting/ selected length of skirting
L1: 11.93m/2.7m = 4.42 = 5 sheets
L2: 11.93m/2.7m = 4.42 = 5 sheets
L3: 11.93m/2.7m = 4.42 = 5 sheets
L4: 11.93m/2.7m = 4.42 = 5 sheets
L5: 10.97m/2.7m = 4.06 = 5 sheets
L6: 10.97m/2.7m = 4.06 = 5 sheets
L7: 10.97m/2.7m = 4.06 = 5 sheets
L8: 10.97m/2.7m = 4.06 = 5 sheets
L9: 3.63m/2.7m = 1.34 = 2 sheets
L10: 3.63m/2.7m = 1.34 = 2 sheets
L11: 4.61m/2.7m = 1.71 = 2 sheets
L12: 4.61m/2.7m = 1.71 = 2 sheets
Total sheets = 8(5) + 4(2) = 48
No 48 $30 $1440
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ESTIMATED COSTS FOR BUILDING PROJECTS 17
The total length of skirting is 114m and a total of 48 lengths of 66x18mm finished DAR primed
pine skirting measuring 2.7m long shall be required for the project.
Ceramic floor tiles
Ite
m
Particulars Unit Quantity Rate Amount
Ceramic floor tiles
Amount of ceramic floor tiles
Floor tiles: 4.59m x 6.11m = 28.04m2
Plus 10% wastage = 1.10 x 28.04m2 =
30.85m2
Wall tiles (under cupboards) = 2(4.59m x
1.8m) + 2(6.11m x 1.8m) = 38.52m2
m2 77 $40/m2 $3080
The total length of skirting is 114m and a total of 48 lengths of 66x18mm finished DAR primed
pine skirting measuring 2.7m long shall be required for the project.
Ceramic floor tiles
Ite
m
Particulars Unit Quantity Rate Amount
Ceramic floor tiles
Amount of ceramic floor tiles
Floor tiles: 4.59m x 6.11m = 28.04m2
Plus 10% wastage = 1.10 x 28.04m2 =
30.85m2
Wall tiles (under cupboards) = 2(4.59m x
1.8m) + 2(6.11m x 1.8m) = 38.52m2
m2 77 $40/m2 $3080
ESTIMATED COSTS FOR BUILDING PROJECTS 18
Summary:
Plus 10% wastage = 1.10 x 38.52m2 =
42.37m2
Total kitchen = 30.85 + 42.37 = 73.22m2 ≈
74m2
Foyer/stair area = 1.71m x 1.09m = 1.86m2
Plus 10% wastage = 1.10 x 1.86m2 = 2.05m2
≈ 3m2
Total = 74 + 3 = 77 m2
Number of boxes of floor tiles
Number of boxes of floor tiles = area of floor
tiles/1.2m2 = (31 + 3)/1.2 = 34m2/1.2m2 = 28
No 28
Number of boxes of wall tiles
Number of wall tiles = area of wall tiles/1.4m2
= 43m2/1.4m2 = 31
No 31
Cost of floor tiles
Supply rate provided
Floor tiles = $40.00 per m2
Amount = 34 m2 * $40 = $1360
Cost of wall tiles
Supply rate provided
wall tiles = $30.00 per m2
Amount = 30 m2 * $40 = $1200
Labour cost of fixing tiles
Labour cost provided
Ceramic tiler = $50.00 per m2
Total area = 74 m2
Amount = 74 * $50 = $3700
m2
m2
m2
34
40
74
$40
$30
$50
$1340
$1200
$3700
Summary:
Plus 10% wastage = 1.10 x 38.52m2 =
42.37m2
Total kitchen = 30.85 + 42.37 = 73.22m2 ≈
74m2
Foyer/stair area = 1.71m x 1.09m = 1.86m2
Plus 10% wastage = 1.10 x 1.86m2 = 2.05m2
≈ 3m2
Total = 74 + 3 = 77 m2
Number of boxes of floor tiles
Number of boxes of floor tiles = area of floor
tiles/1.2m2 = (31 + 3)/1.2 = 34m2/1.2m2 = 28
No 28
Number of boxes of wall tiles
Number of wall tiles = area of wall tiles/1.4m2
= 43m2/1.4m2 = 31
No 31
Cost of floor tiles
Supply rate provided
Floor tiles = $40.00 per m2
Amount = 34 m2 * $40 = $1360
Cost of wall tiles
Supply rate provided
wall tiles = $30.00 per m2
Amount = 30 m2 * $40 = $1200
Labour cost of fixing tiles
Labour cost provided
Ceramic tiler = $50.00 per m2
Total area = 74 m2
Amount = 74 * $50 = $3700
m2
m2
m2
34
40
74
$40
$30
$50
$1340
$1200
$3700
ESTIMATED COSTS FOR BUILDING PROJECTS 19
A total area of 115m2 (including family room, meals room, kitchen and foyer/stair area) shall be
tiled. 60 boxes of floor tiles and 31 boxes of wall tiles shall be required for the project
Plumbing
Plumbing
Item particulars Unit Quantity Rate Cost
A Plumbing work to Powder,
Laundry, ensuite and Bathroom
areas including the supply and fixing
of all fittings.
B Supply prices from provided
PC schedule
C Labour constants per
Rawlinson 2014
D Toilet suites to areas as noted; No 4 $800 $3,200
A total area of 115m2 (including family room, meals room, kitchen and foyer/stair area) shall be
tiled. 60 boxes of floor tiles and 31 boxes of wall tiles shall be required for the project
Plumbing
Plumbing
Item particulars Unit Quantity Rate Cost
A Plumbing work to Powder,
Laundry, ensuite and Bathroom
areas including the supply and fixing
of all fittings.
B Supply prices from provided
PC schedule
C Labour constants per
Rawlinson 2014
D Toilet suites to areas as noted; No 4 $800 $3,200
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ESTIMATED COSTS FOR BUILDING PROJECTS 20
Powder - 1
Laundry - 1
Ensuite - 1
Bathroom – 1
4
Supply (PC)
$600
Labour 2.50 hrs @ $80/hr =
$200
$800 each WC pan and cistern
E Shower bases to areas as
noted;
No 3 $740 $2,200
Powder - 1
Laundry Nil
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$500
Labour 3.00 hrs @ $80/hr =
$240
$740
Per shower base
F Baths to areas as noted; No 1 $910 $910
Bathroom -1
Supply (PC)
$750
Labour 2.00 hrs @ $80/hr =
$160
$910
Per bath
Total $6,310
Powder - 1
Laundry - 1
Ensuite - 1
Bathroom – 1
4
Supply (PC)
$600
Labour 2.50 hrs @ $80/hr =
$200
$800 each WC pan and cistern
E Shower bases to areas as
noted;
No 3 $740 $2,200
Powder - 1
Laundry Nil
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$500
Labour 3.00 hrs @ $80/hr =
$240
$740
Per shower base
F Baths to areas as noted; No 1 $910 $910
Bathroom -1
Supply (PC)
$750
Labour 2.00 hrs @ $80/hr =
$160
$910
Per bath
Total $6,310
ESTIMATED COSTS FOR BUILDING PROJECTS 21
Drainage
Drainage
Item particulars Unit Quantity Rate Cost
A Drainage work to Powder,
Laundry, ensuite and Bathroom areas
including the supply and fixing of all
fittings.
B Supply prices from provided PC
schedule
C Labour constants per Rawlinson
2014
D Toilet suites to areas as noted; No 5 $1,200 $6,000
Drainage
Drainage
Item particulars Unit Quantity Rate Cost
A Drainage work to Powder,
Laundry, ensuite and Bathroom areas
including the supply and fixing of all
fittings.
B Supply prices from provided PC
schedule
C Labour constants per Rawlinson
2014
D Toilet suites to areas as noted; No 5 $1,200 $6,000
ESTIMATED COSTS FOR BUILDING PROJECTS 22
Powder - 2
Laundry - 1
Ensuite - 1
Bathroom – 1
45
Supply (PC)
$600
Labour 5 hrs @ $120/hr = $600
$1,200
E Shower bases to areas as noted; No 4 $800 $3,200
Powder - 2
Laundry Nil
Ensuite - 1
Bathroom - 1
4
Supply (PC)
$500
Labour 3.00 hrs @ $100/hr =
$300
$800
Per shower base
F Baths to areas as noted; No 1 $1,290 $1,290
Bathroom -1
Supply (PC)
$750
Labour 3.00 hrs @ $180/hr =
$540
$1,290
Per bath
Total $10490
Powder - 2
Laundry - 1
Ensuite - 1
Bathroom – 1
45
Supply (PC)
$600
Labour 5 hrs @ $120/hr = $600
$1,200
E Shower bases to areas as noted; No 4 $800 $3,200
Powder - 2
Laundry Nil
Ensuite - 1
Bathroom - 1
4
Supply (PC)
$500
Labour 3.00 hrs @ $100/hr =
$300
$800
Per shower base
F Baths to areas as noted; No 1 $1,290 $1,290
Bathroom -1
Supply (PC)
$750
Labour 3.00 hrs @ $180/hr =
$540
$1,290
Per bath
Total $10490
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ESTIMATED COSTS FOR BUILDING PROJECTS 23
Electricity
Electricity
Item particulars Unit Quantity Rate Cost
A Toilet suites to areas as noted; No 4 $840 $3,360
Powder - 1
Laundry - 1
Ensuite - 1
Bathroom – 1
4
Supply (PC)
$600
Labour 3 hrs @ $80/hr = $240
Electricity
Electricity
Item particulars Unit Quantity Rate Cost
A Toilet suites to areas as noted; No 4 $840 $3,360
Powder - 1
Laundry - 1
Ensuite - 1
Bathroom – 1
4
Supply (PC)
$600
Labour 3 hrs @ $80/hr = $240
ESTIMATED COSTS FOR BUILDING PROJECTS 24
$840
B Shower bases to areas as noted; No 3 $740 $2,200
Powder - 1
Laundry Nil
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$500
Labour 3.00 hrs @ $80/hr = $240
$740
Per shower base
C Baths to areas as noted; No 1 $910 $910
Bathroom -1
Supply (PC)
$750
Labour 2.00 hrs @ $80/hr =
$160
$910
Per bath
D Hot tub areas as noted; No 2 $740 $1480
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$500
Labour 3.00 hrs @ $80/hr = $240
$740
E Tape ware areas as noted; No 3 $1,160 $3,480
Laundry -1
Ensuite - 1
Bathroom – 1
3
Supply (PC)
$1000
Labour 2.00 hrs @ $80/hr = $160
$1,160
Vanity areas as noted; No 3 $840 $2,520
$840
B Shower bases to areas as noted; No 3 $740 $2,200
Powder - 1
Laundry Nil
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$500
Labour 3.00 hrs @ $80/hr = $240
$740
Per shower base
C Baths to areas as noted; No 1 $910 $910
Bathroom -1
Supply (PC)
$750
Labour 2.00 hrs @ $80/hr =
$160
$910
Per bath
D Hot tub areas as noted; No 2 $740 $1480
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$500
Labour 3.00 hrs @ $80/hr = $240
$740
E Tape ware areas as noted; No 3 $1,160 $3,480
Laundry -1
Ensuite - 1
Bathroom – 1
3
Supply (PC)
$1000
Labour 2.00 hrs @ $80/hr = $160
$1,160
Vanity areas as noted; No 3 $840 $2,520
ESTIMATED COSTS FOR BUILDING PROJECTS 25
Laundry -1
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$600
Labour 3.00 hrs @ $80/hr = $240
$840
Total $13950
Laundry -1
Ensuite - 1
Bathroom - 1
3
Supply (PC)
$600
Labour 3.00 hrs @ $80/hr = $240
$840
Total $13950
1 out of 25
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