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N. Preston / M Martin Cert IV Estimating 2012
Identify and produce estimated costs for projects
CERTIFICATE 4 IN BUILDING BCGBC4004A
N. Preston / M Martin Cert IV Estimating 2012
Page 22&23
A
B
1 2
43
5
67
N. Preston / M Martin Cert IV Estimating 2012
Black – original dwelling
Red – extra metre for excavation
(eg) 1.0 + 8.250 + 1.0 = 10.250
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Ground Works
A Preamble omitedNote
Siteworks
B Clear the site of all rubbish and vegetable matters including shrubs and trees, not exceeding 0.05m girth, grub up roots and stump
m²
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Ground Works
A Preamble omitedNote
Siteworks
B Clear the site of all rubbish and vegetable matters including shrubs and trees, not exceeding 0.05m girth, grub up roots and stump
m²
8.25 +
2 x 1.0
= 10.25
3.8 +
2 x 1.0
= 5.8
3.45 +
2 x 1.0
= 5.45
Do your side casts, or working out first
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Ground Works
A Preamble omitedNote
Siteworks
B Clear the site of all rubbish and vegetable matters including shrubs and trees, not exceeding 0.05m girth, grub up roots and stump
m²
10.25
8.25 +
5.8 59.45 Tree c
2 x 1.0
= 10.25
3.8 +
2 x 1.0
= 5.8
3.45 +
2 x 1.0
= 5.45
Calculate your first area
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Ground Works
A Preamble omitedNote
Siteworks
B Clear the site of all rubbish and vegetable matters including shrubs and trees, not exceeding 0.05m girth, grub up roots and stump
m²
10.25
8.25 +
5.8 59.45 Tree c
2 x 1.0
5.45
= 10.25
5.00 27.25
3.8 +
2 x 1.0
= 5.8
3.45 +
2 x 1.0
= 5.45
Calculate your second area
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Ground Works
A Preamble omitedNote
Siteworks
B Clear the site of all rubbish and vegetable matters including shrubs and trees, not exceeding 0.05m girth, grub up roots and stump
m²
10.25
8.25 +
5.8 59.45 Tree c
2 x 1.0
5.45
= 10.25
5.00 27.25
86.70 3.8 +
2 x 1.0
= 5.8
3.45 +
2 x 1.0
= 5.45
Total your two areas
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Ground Works
A Preamble omitedNote
Siteworks
B Clear the site of all rubbish and vegetable matters including shrubs and trees, not exceeding 0.05m girth, grub up roots and stump
m²87
10.25
8.25 +
5.8 59.45 Tree c
2 x 1.0
5.45
= 10.25
5.00 27.25
86.70 3.8 +
2 x 1.0
= 5.8
3.45 +
2 x 1.0
= 5.45
Round up your final answer
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
C Remove trees including excavating ground, grubbing up roots, return filling and well ram with clean earth to trees exceeding 1.0 but not exceeding 1.5m
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
C Remove trees including excavating ground, grubbing up roots, return filling and well ram with clean earth to trees exceeding 1.0 but not exceeding 1.5m
1 Tree A No
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
C Remove trees including excavating ground, grubbing up roots, return filling and well ram with clean earth to trees exceeding 1.0 but not exceeding 1.5m
1 Tree A No 4
3 Tree B
4
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
C Remove trees including excavating ground, grubbing up roots, return filling and well ram with clean earth to trees exceeding 1.0 but not exceeding 1.5m
1 Tree A No 4
3 Tree B
4
D Ditto exceeding 1.0 but not exceeding 1.5m girth No
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
C Remove trees including excavating ground, grubbing up roots, return filling and well ram with clean earth to trees exceeding 0.5 but not exceeding 1.0m
1 Tree A No 4
3 Tree B
4
D Ditto exceeding 1.0 but not exceeding 1.5m girth No 2
2 Tree D
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
E Strip top soil to average depth of 75mm and stockpile on site for re-use m²
Remember ! this is the same maths as item B, just the description is different
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
E Strip top soil to average depth of 75mm and stockpile on site for re-use m² 87
10.25
5.80 59.45 Same quantities as site clearance
5.45
5.0 27.25
86.70Remember ! this is the same maths as item B, just the description is different
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Siteworks (cont)
A Poison all tree suckers and roots with approved chemicals ite
m
Remember ! this for me is a new page, so heading continues at top, and start with A again.
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Siteworks (cont)
A Poison all tree suckers and roots with approved chemicals ite
m
B Treat site area with spraying with approved chemical pesticide on completion of excavation work
m² 44
87.0
X 50%
43.50
Remember ! this for me is a new page, so heading continues at top, and start with A again.
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Surface Excavation
C Excavate over site to reduced levels in material OTR. Commencing at existing ground level after the stripping, spread and level surplus soil on site as directed (77.78m²)
m² 37
5.45 Part A
10.80
0.44 25.90
4.80 Part B
5.80
0.39 10.86
36.76
ITEM
PARTICULARS
Points 1.0m beyond ext walls
Part A
Point 1
RL 12.0
Point 2
RL 12.25 + 1.60 ÷ 4.40 x 0.25 = 12.34
Point 3 RL 13.0
Point 4 RL 13.0 + 1.50 ÷ 2.70 x 0.25 = 13.14
total 50.48
50.48 ÷ 4
= av RL height 12.62
Excavation RL - 12.10
Av cut from
ground= 0.52
Topsoil (.075 spec
round up)
- 0.08
= 0.44
ITEM
PARTICULARS
Points 1.0m beyond ext walls
Part B
Point 2
RL 12.34
Point 5
RL 12.25 + 3.10 ÷ 5.10 x 0.25 = 12.40
Point 6
RL 12.50 + 3.10 ÷ 3.40 x 0.25 = 12.73
Point 7 RL 12.75 + 0.65 ÷ 2.85 x 0.25 = 112.81
total 50.28
50.28 ÷ 4
= av RL height 12.57
Esxcavation RL - 12.10
Av cut from
ground= 0.47
Topsoil (.075 spec
round up)
- 0.08
= 0.39
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Surface Excavation
C Excavate over site to reduced levels in material OTR. Commencing at existing ground level after the stripping, spread and level surplus soil on site as directed (86.7m²)
m³ 37
5.45 Part A
10.80
0.44 25.90
4.80 Part B
5.80
0.39 10.86
36.76
N. Preston / M Martin Cert IV Estimating 2012
Black – original dwelling brickwork
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Trench Excavation
A Trench excavation for strip footings, in material OTR, commencing at existing ground level and not exceeding 1.0m total depth, put backfilling with selected excavated material and surplus soil spread on site were directed
m³
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Trench Excavation
A Trench excavation for strip footings, in material OTR, commencing at existing ground level and not exceeding 1.0m total depth, put backfilling with selected excavated material and surplus soil spread on site were directed
m³
length
8.57 - .6
7.97
Total length
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Trench Excavation
A Trench excavation for strip footings, in material OTR, commencing at existing ground level and not exceeding 1.0m total depth, put backfilling with selected excavated material and surplus soil spread on site were directed
m³
length
8.57 - .6
7.97
4.12 - .6
3.52
4.80 4.80
5.00 5.00
3.77 - .6
3.17
9.12 - .6
8.52
Total length
32.98
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Trench Excavation
A Trench excavation for strip footings, in material OTR, commencing at existing ground level and not exceeding 1.0m total depth, put backfilling with selected excavated material and surplus soil spread on site were directed
m³ 9
length
8.57 - .6
7.97
4.12 - .6
3.52
4.80 4.80
5.00 5.00
3.77 - .6
3.17
9.12 - .6
8.52
Total length
32.98
32.98
.60
.45
8.90
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Working Space and / or maintaining faces
B Working space and / or maintaining sides of trench excavation not exceeding 1.0m total depth
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Working Space and / or maintaining faces
B Working space and / or maintaining sides of trench excavation not exceeding 1.0m total depth
m² 30
area32.9
8
.45
14.84
N. Preston / M Martin Cert IV Estimating 2012
ITEM
PARTICULARSUNIT
QUAN RAT
E$
Working Space and / or maintaining faces
B Working space and / or maintaining sides of trench excavation not exceeding 1.0m total depth
m² 30
area32.9
8
.45
14.84
2 @14..8
4
29.68
N. Preston / M Martin Cert IV Estimating 2012
Page 25&26
N. Preston / M Martin Cert IV Estimating 2012
N. Preston / M Martin Cert IV Estimating 2012Page 30
Break up trenches
N. Preston / M Martin Cert IV Estimating 2012Page 31
N. Preston / M Martin Cert IV Estimating 2012Page 45&46
N. Preston / M Martin Cert IV Estimating 2012Page 47
N. Preston / M Martin Cert IV Estimating 2012Page 48
N. Preston / M Martin Cert IV Estimating 2012Page 48
N. Preston / M Martin Cert IV Estimating 2012Page 45&46
N. Preston / M Martin Cert IV Estimating 2012
Exercise 3
To be completed at home, and handed in next week