Construction Methods & Estimation 4th Stage
Dr. Hassan Issa
Dr. Aliaa Hamadi
Lect. Mustafa Ayad
Examples of Bill of Quantities
أمثلة عن إعداد جداول الكميات
The example of the (4x5) m room with the roof
No. Activity/Item Unit Dimensions Quantity Notes & Calculations
Length Width Height
Earth works: Z = (0.6-0.24)/2 = 0.18 m
3 Length of excavation =
1 Excavation works m 18.96 0.6 0.6 6.83
2(5.48+2x0.18) + 2(4.00-
2x0.18) = 18.96 m
2 Earth filling m3 5 4 0.1 2
Concrete works:
3 Pouring concrete for m3 18.96 0.6 0.2 2.28
foundation base
(1:2:4)
Pouring reinforced
concrete for lintel Beam length = 1 + 2x0.2
3
4 beams above the m =1.4 m
openings (1:2:4)
- for the door 1.4 0.24 0.15 0.05 No. of doors = 1
- for the windows 1.4 0.24 0.15 0.15 No. of windows = 3
5 Pouring reinforced m3 5.48 4.48 0.15 3.68
concrete for the slab
(1:2:4)
6 Pouring reinforced
concrete for the m3 5 4 0.05 1
ground base (1:2:4)
7 D.P.C with 0.1 m L.m 18.96 -- -- 18.96 Length of d.p.c = 2(4.24
height +5.24) = 18.96
Brick works:
8 Blinding layer for m2 18.96 0.6 -- 11.38
footing with 0.08 m
thickness
Blinding layer for the
9 ground base with m2 5 4 -- 20
0.08 m thickness
Building with bricks Y= (0.48-0.24)/2 = 0.12 m
and cement mortar X = (0.36-0.24)/2 = 0.06 m
10 (1:3) under the D.P.C - Length at 0.48 m step =
- the 0.48 m step m3 18.96 0.48 0.08 0.73 2(5.48 + 2x0.12) + 2(4-2x0.12)
m3 18.96 = 18.96 m
- the 0.36 m step 0.36 0.08 0.55
m3 18.96 - Length at 0.36 m step =
- the 0.24 m step up 0.24 0.32 1.46
2(5.48 + 2x0.06) + 2(4-
to the D.P.C level 2x0.0.06) = 18.96 m
- Length at 0.24 m step =
2(5.48 ) + 2(4) = 18.96 m
1
Construction Methods & Estimation 4th Stage
Dr. Hassan Issa
Dr. Aliaa Hamadi
Lect. Mustafa Ayad
11 Building with bricks Length of brick works above
and cement mortar m3 18.96 0.24 4 18.2 the d.p.c level (centre line) =
(1:3) above the D.P.C 2(5.24+4.24) = 18.96 m
level
With the subtraction
of the following:
- Volume of the door m3 2.1 1 0.24 - 0.5
opening
- Volume of the m3 1.5 1 0.24 - 1.08
window opening
- Volume of the lintel m3 -- -- -- - 0.2
beams above
openings (from item
No.4)
16.42
12 Building with bricks m3 18.96 0.12 0.45 1.02
and cement mortar
(1:3) for the parapet
wall
Roofing works:
13 Covering with Length = 5.48-2x0.12=5.24m
2
asphalt layer with no m 5.24 4.24 -- 22.22 Width = 4.48-2x0.12=4.24m
less than 0.02 m
thickness
14 Covering with two m2 5.24 4.24 -- 22.22
layers of isolation
15 Covering with m2 5.24 4.24 -- 22.22
isolated earth layer
with no less than
0.1m
16 Roofing with m2 5.24 4.24 -- 22.22
concrete
tiles(0.9x0.9)m
Finishing & Painting:
17 Gypsum plastering: Length = 2(5+4) = 18 m
2
- for the internal m 18 -- 3.88 69.84 Height = 4 – 0.12 = 3.88
walls
- for the ceiling m2 5 4 -- 20
- for the area
surrounding the m2 5 0.1 -- 1.5 The length surrounding the
windows windows = 2(1+1.5) = 5 m
- for the area
surrounding the m2 5.20 0.1 -- 0.52 The length surrounding the
door door = 2x2.1 + 1 = 5.2 m
With subtraction of:
- windows openings m2 -- 1 1.5 -4.5 No. of windows = 3
- door opening m2 -- 1 2.1 -2.1 No. of doors = 1
85.26
2
Construction Methods & Estimation 4th Stage
Dr. Hassan Issa
Dr. Aliaa Hamadi
Lect. Mustafa Ayad
Flooring & Finishing:
18 Terrazzo with mosaic m2 5 4 -- 20
tiles (0.25x0.25)m
with 0.03 m thick
19 Tile skirting with the L.m 18 -- -- 18
same type of item
No.18 with 0.12 m
thickness
With subtracting:
-the door opening L.m 1 -- -- 1
17
20 Plastering the
exterior walls and
the parapet wall
(from inside &
outside) with Outer band of the exterior
cement mortar walls= 2(4.48+5.48)= 19.92m
- plastering from m2 19.92 -- 4.86 96.81 The height of the walls
including the parapet wall =
outside with the
4+0.6+0.1+0.16 = 4.86 m
parapet wall
- plastering the Inner band of the parapet wall
parapet wall from m2 18.96 -- 0.31 5.88 = 2(5.24+4.24) = 18.96 m
inside Height of the parapet wall =
0.6 – (0.04+0.1+0.15) = 0.31 m
- plastering the area
surrounding the m2 1.5
windows (from item
No. 17)
- plastering the area
m2 0.52
surrounding the
door (from item No.
17)
With subtracting :
- the windows m2 -4.5
openings (item
No.17)
- the door opening
(item No.17) m2 -2.1
98.11
21 Painting the internal m2 85.26
walls and the ceiling
with emulsion (from
item No. 17)
22 Painting the external m2 98.11
walls and the
parapet wall (inside
& outside) with
3
Construction Methods & Estimation 4th Stage
Dr. Hassan Issa
Dr. Aliaa Hamadi
Lect. Mustafa Ayad
emulsion (from item
No. 20)
The Door & Windows: m2 -- 1 1.5 4.5
23 Iron windows with No. of windows = 3
their frame and
accessories
24 Metal door with its m2 -- 1 2.1 2.1 No. of doors = 1
frame and
accessories
4
Construction Methods & Estimation 4th Stage
Dr. Hassan Issa
Dr. Aliaa Hamadi
Lect. Mustafa Ayad
W1
W1
Note that: there are three windows
with 1.0 m width and 1.5 m height
W1
D With one door of 1.0 m width and
2.1 m height
Parapet
Wall
