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DOUBLE
STOREYED
BUILDING
ESTIMATION
PRESENTED BY-
NAFISA NAZNEEN
CHOUDHURY
(CIVIL ENGINEERING
STUDENT OF ASSAM
ENGINEERING COLLEGE)
INTRODUCTION
 In various engineering works it is required beforehand to know the probable
cost of construction which is known as the estimated cost. If money available
is less than the estimated cost, then attempts have to be made to reduce the
cost by changing the specification or by reducing the work.
 The subject matter of estimation is simple but knowledge of drawing of
structures requires special skills like AUTOCAD, STAAD PRO, etc. One
who understands the drawing can find out dimensions such as length,
breadth, height, etc.
 Following requirements are necessary for preparing estimate-
• Drawings like plan, elevation and sections of important points like beam,
staircase, footing, and column.
• Detailed specification of workmanship and properties of materials.
• Standard schedule of rates for the current year.
 The complete work is divided into various items of work such as earthwork
concreting, brickwork, reinforced concrete, plastering etc. The details of
measurements are taken from drawings and entered in respective columns
of prescribed proforma.
 For calculating the cost of the building structure, the rates of materials are
derived from Standard Schedule Rates which comprises of the prices of
list of items in a tabular form.
 Also, LumpSum items in estimate are included in the estimate-
• Water supply and sanitary arrangements.
• Electrical installation like meter, motor, etc.
• Architectural features.
• Contingencies and unforeseen items.
TYPES OF ESTIMATE
 Following are the different types of estimation-
1. Preliminary estimate or Approximate estimate or Abstract Estimate
or Rough Cost Estimate
2. Detailed Estimate or Item Rate Estimate
3. Plinth Area Estimate
4. Cube Rate Estimate or Cubical Content Estimate
5. Approximate Quantity Method Estimate
6. Revised Estimate
7. Supplementary Estimate
8. Supplementary and Revised Estimate
9. Annual Repair or Maintenance Estimate
OBJECTIVE
 Required Quantity of Materials
 Cost of Materials
 Finding cost of various works like Brickwork, RCC, Reinforcement, etc.
METHODOLOGY
 Mensuration Method- This method of measuring lengths, areas,
volumes using mensuration in its meaning is to measure, is widely
used where geometrical figures are thoughtful and where one has to
determine various physical quantities such as area, volume, length,
etc. In estimation it is a common practice to use mensuration method
to calculate quantities of items.
 Centre Line Method- This method consists to find out total length of
centre line of walls. Brickwork has been found out by this method in
this project.
 Engineering Method- With this technique, the system being costed is
broken down into low level components each of which is costed
separately for direct labour, other costs and direct material.
PROBLEM STATEMENT
To perform Double Storeyed Building Estimation and to calculate the
cost of building structure from a given Plan, Elevation and Cross
section of elements present in the building.
Salient features:
1. Utility of building: Residential
complex
2. No of stories: G+1
3. No of staircases: 5
4. No of lifts: 1
5. Type of construction: R.C.C framed
structure
6. Types of walls: brick wall
7. Height of plinth: 0.76 m
Geometric details:
8. Ground floor: 3.3 m
9. Floor to floor height: 3.3 m.
10. Depth of foundation: 1.68 m.
11. Clear Cover: 40 mm in Column, 50 mm in Footing, 25 mm in Beam
and 15 mm in Slab
Materials:
12. Concrete grade: All Concrete Mix M20 (1:1.5:3) unless otherwise
specified
13. All steel grades: Fe 500 grade
14. Bearing Capacity of soil: 18 M.T./m2
All Dimensions in the Drawings are in Feet and Inches.
PLAN OF
 GROUND FLOOR
 FIRST FLOOR
 TERRACE FLOOR
& ELEVATION
(Rupees Sixty Five Lakh Ninety Two Thousand Three Hundred Fifty One Only)
GENERALABSTRACT OF THE
ESTIMATE OF PROPOSED (G+1)
RESIDENTIAL BUILDING
Date : 26/12/2019
Sl.
No.
Description Unit
SOR
Rate
(Rs.)
Qty Amount
1
Cost of Civil Works for Building as
per CPWD 2013-14 4,365,939.82
2 30% Escalation for current year 5,675,721.77
3
Cost of electrical work - 7.5% of civil
cost 425,679.13
4
Cost of plumbing & sanitary work -
7.5% of civil cost 425,679.13
Total Rs. 6,527,080.04
5
Add 1% contingency for unforseen item
if any 65,270.80
Grand Total Rs. 6,592,350.84
Say Rs. 6,592,351.00
FOOTING
FOOTING F1
Feet Inch Metre Reinforcement details
L = 4 0 1.20 D2(Diameter of bars) T(Spacing)
B = 4 0 1.20 10 mm 0.15 m
D = 0 10 0.25
C = 0 6 0.15
G = 0 6 0.15
L1(Length of
Column)=
0 14 0.36
B1(Breadth of
Column)=
0 9 0.23
D1(Depth for
Excavation)=
5 7 1.68
P1(PCC 0 3 0.08
S1(Sand Filling
Thickness)=
0 4 0.10
W1(BottomWire
Mesh Spacing)=
0 6 0.15
Sl No. Particulars Calculation Quantity
Nos. of
F1
Footing
Total
Quantit
y
1 Earthwork in Excavation ((L+0.3) x (B+0.3) x D1) m3
3.78 m³ 1 3.78 m³
2 1:4:8 PCC ((L+0.15) x (B+0.15) x P1) m3
0.14 m³ 1 0.14 m³
3 Sand Filling ((L+0.15)x(B+0.15)xS1) m3
0.19 m³ 1 0.19 m³
RCC in Footing
a)Upper Rectangular Portion (L1+0.3) x (B1+0.3)xG 0.05 m³
4
b) Bottom Rectangular Portion (L x B x C) m3
0.22 m³
c) Trapezoidal Portion {0.5 (L + (L1+ 0.3 )} x {0.5(B+(B1+0.3)} x (D-C)
m3
0.08 m³
Total 0.35 m³ 1 0.35 m³
5
Reinforcement
10.9 kg 1
10.9 kg
a)Main bar in Foundation
Transverse
direction
No. of bars
(N2)=
(Q/T)+
1
8
L-2 x
Clear
Cover (Q)
1.1 m
Longitudinal
direction
No. of bars
(N1)=
(P/T)+
1
8
B-2 x
Clear
Cover (P)
1.1 m
Length=P x N1+Q x N2
Weight= Lengthx((D2 x D2)/162)
6 Shuttering Area= 4L x C 0.73 1 0.7 m²
TOTAL QUANTITY IN FOUNDATION
Item
Quantity
Total
QuantityF1 F2 F3 F4 F5 F6 EF1 EF2 EF3 EF4 EF3" EF4"
E/W in
Excavation
3.78 m³ 4.87 m³ 18.20 m³ 37.00 m³ 17.80
m³
21.00
m³
18.88
m³
4.87
m³
12.13
m³
14.80
m³
6.07
m³
7.40
m³ 166.78 m³
PCC(1:4:8) 0.14 m³ 0.18 m³ 0.70 m³ 1.45 m³
0.71 m³
0.84
m³ 0.65 m³
0.17
m³
0.45
m³ 0.56 m³
0.23
m³
0.29
m³ 6.38 m³
Sand Filling 0.19 m³ 0.25 m³ 0.94 m³ 1.93 m³
0.94 m³
1.12
m³ 0.87 m³
0.23
m³
0.59
m³ 0.74 m³
0.31
m³
0.39
m³ 8.50 m³
RCC (M20) 0.35 m³ 0.51 m³ 2.06 m³ 4.84 m³
2.41 m³
3.41
m³ 1.71 m³
0.48
m³
1.33
m³ 1.85 m³
0.69
m³
0.91
m³ 20.55 m³
Reinforcement 10.86 kg 8.85 kg 72.08 kg 211.56 kg 135.34
kg
164.39
kg
104.86
kg
33.09
kg
84.22
kg
137.85
kg
42.11
kg
68.93
kg 1074.14 kg
Shuttering 0.7 m² 0.9 m² 2.9 m² 5.5 m²
2.4 m² 3.6 m² 6.1 m² 1.7 m² 4.6 m² 5.9 m² 1.0 m² 1.1 m² 36.3 m²
For RCC
Grade of Concrete Ratio Of Cement Ratio of Sand Ratio of Aggregate
M20 1 1.5 3
Total Volume
of
Concrete
Volume of
Cement Volume of Sand
Volume of
Aggregate No of Bags
20.55 m³ 5.76 m³ 13.29 m³ 26.59 m³ 166
For PCC
Grade of Concrete Ratio Of Cement Ratio of Sand Ratio of Aggregate
M7.5 1 4 8
Total Volume
of
Concrete
Volume of
Cement
Volume of Sand
Volume of
Aggregate
No of Bags
6.38 m³ 0.76 m³ 4.65 m³ 9.30 m³ 22
CHAJJA FOR W
Feet Inch Metre Reinforcement Details
Length of window (L)= 8' 0'' 2.40 Diameter of Bars(B) Spacing(T)
Breadth of window
(B)= 5' 6'' 1.65 10 mm 0.15 m
Length of Chajja (L1)= 8' 9'' 2.63
Breadth of Chajja
(B1)= 2' 0'' 0.60
Depth of Chajja (D)= 0' 3'' 0.08
Breadth of Wall (B2)= 0' 9'' 0.23
Sl No. Particulars Calculations Quantity
No. of W on
which chajja
provided
Total
Quantity
1 RCC in Chajja L1 x B1 x D 0.12 m³
1
0.12 m³
16.78 kg
2
Reinforcement
16.78 kg
a)Main bar in Chajja
Length (P)= B1+ B2 - Clear Cover of
Chajja - Clear Cover of
Beam
0.79 m
No.s (Q)= ((L1 - 2 x Clear Cover of
Chajja)/T) +
1
18
b) Distribution bar
Length (R)= L1 - 2 x Clear Cover of
Chajja 2.60 m
No.s (S)= ((B1 - Clear Cover of
Chajja)/T) + 1 5
Total Length= Px Q + R x S
Weight= Total Length x D2
/162
3 Shuttering Area= 2 x D x B1 + D x L1 + L1
xB1 1.87 m² 1 1.87 m²
TOTAL QUANTITY IN CHAJJA
For RCC
Item
Quantity
Total Quantity
W W1 W2
RCC (M20) 0.12 m³ 0.19 m³ 0.32 m³ 0.62 m³
Reinforcement 16.78 kg 26.04 kg 44.55 kg 87.36 kg
Shuttering 1.87 m² 2.93 m² 5.04 m² 9.84 m²
Grade of Concrete Ratio Of Cement Ratio of Sand Ratio of Aggregate
M20 1 1.5 3
Total Volume of
Concrete Volume of Cement Volume of Sand Volume of Aggregate No of Bags
0.62 m³ 0.17 m³ 0.40 m³ 0.80 m³ 5.01
COLUMN
`
1ST FLOOR LEVEL TO TERRAICE
COLUMN 1
Serial No 1.00 Longitudinal Main bar
1ST FLOOR TO
TERRAICE LEVEL TERRAICE LEVEL Dia(MM) NO
Length
(M)
Column marked C1 Nos 4.00 16.00 4.00 3.30
size Feet Inch Metere
Lateral tiesLength 1.00 0.00 0.30
Breadth
1.00 0.00 0.30 Dia(MM)
Spacing
(INCH) NO Length
Height 11.00 0.00 3.30 8.00 6.00 23 1.00
Sr No 1.00 Terraice level Below plinth level QUANTITY OF MATERIAL FOR
(RCC)
Column
marked
CONCRETE
VOLUME
(RCC)
SHUTTERIN
G
QUANTITY
OF
STEEL
Ratio 1.00 1.50 3.00 SUMMARY FOR STEEL (IN KG )
CU.M SQ.M Kg CEMENT SAND STONECHIP
S
REINFORCEMENT
8MM 16M
M
C1 1.19 15.84 119.12
BAGS CU.M CU.M
35.68 83.449.77 0.51 1.02
BELOW PLINTH LEVEL
SUMMARY FOR
COLUMN
RCC WORK (IN CU.M) 4.14
SHUTTERING (IN SQ.M) 32.77
REINFORCEMENT
(IN KG)
8MM 12MM 16MM
197.73 183.33 375.11
plinth to 1st floor Level
SUMMARYFOR
COLUMN
RCC WORK (IN CU.M) 8.35
SHUTTERING (IN SQ.M) 110.57
REINFORCEMENT(IN
KG)
8MM 12MM 16MM
313.90 222.93 396.33
1st floor Level to Terraice
SUMMARYFOR
COLUMN
RCC WORK (IN CU.M) 8.35
SHUTTERING (IN SQ.M) 110.57
REINFORCEMENT(IN
KG)
8MM 12MM 16MM
313.90 222.93 396.33
Terraice to mumtty level
SUMMARYFOR
COLUMN
RCC WORK (IN CU.M) 1.63
SHUTTERING (IN SQ.M) 21.27
REINFORCEMENT(IN
KG)
8MM 12MM 16MM
55.79 55.47 75.85
SUMMARY FOR COLUMN
SLAB
SLAB 1(n)
Serial No 14.00 Main bar in smaller span Main bar in longer span
Distribution bar in shorter span
at top Distribution bar in longer span at top
Floor Level 1st floor level Dia(MM)
Spacing
(INCH) NO
Lengt
h
(M)
Dia(MM)
Spacing
(INCH) NO
Length
(M) Dia(MM)
Spacing
(INCH) NO
Length
(M) Dia(MM)
Spacing
(INCH) NO
Length
(M)
Slab marked S1(n) Nos 1.00 8.00 6.00 17 2.71 8.00 8.00 13 2.76 8.00 6.00 13 2.62 8.00 6.00 13 2.65
size Feet Inch Metere Extra Top in smaller span Extra Top in longer span
Length 8.00 0.00 2.40 Extra top 1 Extra top 2 Extra top 1 Extra top 2
Breadth 7.00 10.50 2.37
Dia(MM)
Spacing
(INCH) NO Length Dia(MM)
Spacing
(INCH) NO Length Dia(MM)
Spacing
(INCH) NO Length Dia(MM)
Spacing
(INCH) NO Length
Thickness 4.50 0.11 8.00 12.00 9 0.89 8.00 12.00 9 0.89 8.00 16.00 7 0.90 8.00 16.00 7 0.90
Sr No Floor Level 1st floor level QUANTITY OF MATERIAL FOR (RCC)
Slab marked
CONCRETE
VOLUME
(RCC)
SHUTTERING
QUANTITY
OF
STEEL
Ratio 1.00 1.50 3.00
CU.M SQ.M Kg CEMENT SAND STONECHIPS
s1(a) 0.65 5.68 68.60
BAGS CU.M CU.M
5.34 0.28 0.56
1ST FLOOR SUMMARY
RCC WORK (IN CU.M) 23.74
SHUTTERING (IN SQ.M) 189.04
REINFORCEMENT (IN KG)
8MM 10MM
2469.52 669.39
2ND FLOOR SUMMARY
RCC WORK (IN CU.M) 22.13
SHUTTERING (IN SQ.M) 174.92
REINFORCEMENT (IN KG)
8MM 10MM
2184.92 669.39
MUMTTY TOP LEVEL SUMMARY
RCC WORK (IN CU.M) 7.55
SHUTTERING (IN SQ.M) 55.18
REINFORCEMENT (IN KG)
8MM 10MM
534.89 922.29
SUMMARY
STAIRCASE
STAIRCASE DETAILS
Flight L1 Tread Riser
Slopped
length L3 Mainbar Binder
Details of
chair
Meter No
Dim
(m) No
Dim
(m) Meter Meter No
Spacing
(inch)
Dia
Of
bar
Length
(m) No Dia Spacing
Length
(m) Dia No Length
Flight1 0 10 0.3 11 0.15 3.69 1.52 12 5 10 110.366 47 8 8 67.68 10 4 2.28
Flight2 1.52 10 0.3 11 0.15 3.69 0 12 5 10 110.366 47 8 8 67.68 10 4 2.28
FOR STAIRCASE 3
FOR STAIRCASE 2
Shuttering details
8mm 53.48
Reinforcement details Concrete details
Binder
Size Weight
MAINBARS
SIZE WEIGHT
10MM 136.25
CONCRETE VOLUME 3 M³
RATIO
1 1.5 3
CEMENT SAND AGGREGATE
0.79 0.81 1.62
TOTAL SHUTTERING AREA 23 M²
TOTAL QUANTITY OF STEEL= 193 KG
CEMENT BAGS 23 BAGS
CHAIR
SIZE WEIGHT
10MM 2.81
REINFORCEMENT(KG)
CEMENT
(BAGS)
SAND M³ AGGREGATE M³ SHUTTERING M²
193 22.77 0.81 1.62 22.97
REINFORCEMENT(KG)
CEMENT
(BAGS)
SAND M³ AGGREGATE M³ SHUTTERING M²
193 22.77 0.81 1.62 22.97
TOTAL
REINFORCEMENT(KG)
TOTAL
CEMENT
(BAGS)
TOTAL
SAND M³
TOTAL AGGREGATE
M³
TOTAL
SHUTTERING
AREA M²
577.63 68.30 2.43 4.85 68.91
CALCULATION OF BRICKWORK
 DATA REQUIRED
 LENGTH OF WALL
 BREADTH OF WALL(THICKNESS OF WALL)
 HEIGHT OF WALL
CALCULATION
A= TOTAL VOLUME OF WALL=L X B X H m³
NUMBERS OF BRICKS WITHOUT MORTAR=A/0.002
SO, QUANTITY OF MORTAR=(A)-(NUMBERS OF BRICKS X VOLUME
OF BRICKS WITHOUT MORTAR)
CEMENT: SAND =1:6
CEMENT=MORTAR QUANTITY X 1/7
SAND= MORTAR QUANTITY X 6/7
EXAMPLE
 BRICKWORK FOR BEDROOM FOR 1ST FLOOR
 LENGTH=10.15 M
 BREADTH=0.254M
 HEIGHT=3.30M
 BEDROOM WALL VOLUME=10.15X0.254X3.30 m³ =8.50 m³
 DEDUCTION=1.05 m³(DOOR) + 1.54 m³(WINDOW)
 TOTAL BEDROOM WALL VOLUME=5.91 m³
 NUMBER OF BRICKS WITH MORTAR =5.91/0.002 =2955 NUMBERS
 QUANTITY OF MORTAR= VOLUME OF WALL – (VOLUME BRICKS
WITH OUT MORTAR X NUMBERS OF BRICKS)
 SO, QUANTITY OF MORTAR=5.91-2955 X0.001539=1.37 m³
 CEMENT AND SAND RATIO= 1:6
 CEMENT=1.37 X 1/7 =0.19 m³=6 bags
WOODWORK
Dimension of Doors and Windows
`Calculation For Doors and Windows
For Frame
Calculation of Door Frame = (2 X (Height of door +0.04)+Length of Door) X Thickness
of frame X Width of frame
Calculation of Window Frame = (2 x Length of Window+2 x Height of Window) x
Thickness of Frame x Width of Frame
Considered, Insertion into flooring = 4cm
Thickness of frame = 6 cm
Width of Frame = 12 cm
DESCRIPTIO
N OF ITEMS
NUMBE
R
LENGTH
(m)
BREADTH
(m)
HEIGHT
(m)
CALCULAT
ION QUANTITY(m3)
WOODWORK
Salwood door
and windows
chowkaths
formed and
fixed of
thickness 6cm
and width 12cm
(a) Doors
(including 4cm
insertion into
flooring)
D 2.00 1.22 2.32 0.04 0.09
(b) Window
W1 3.00 1.83 1.70 0.05 0.15
For Panel
Calculation of Door Panel = (Height of Door) X (Length of Door)-(Surface area
of frame)
Calculation of Window Panel = (Height of Window) X (Length of window)-
(Surface area of frame)
Considered, Thickness of Panel = 4cm
DESCRIPTION
OF ITEMS NUMBER LENGTH (m) BREADTH (m) HEIGHT (m) CALCULATION QUANTITY(m2)
4cm thick
shuttering
including fittings
(a)Doors
D 2.00 1.22 2.32 2.49 4.97
(b)Windows
W1 3.00 1.83 1.70 2.77 8.30
Summary
For Ground Floor
Detail of Woodwork
Frame Quantity (m3) Panel Quantity (m2)
0.91 42.80
For First Floor
Detail of Woodwork
Frame Quantity (m3) Panel Quantity (m2)
0.98 42.00
Plastering
15mm thick plaster with 1:6 cement local sand mortar for inside walls
Sl
No.
Particular of items
and details of works
No.
Length(
m)
Breadth(
m)
Height(
m)
Quantity
(m2
)
Remarks
12mm plastering with
1:6 cement local sand
mortor in walls
1 Drawing Room 1.00 21.84 3.36 73.27
L=Inner
Perimeter
Deduct
Sliding Door 1.00 1.83 2.30 4.21
Door D 1.00 1.22 2.30 2.81
W1 1.00 1.83 1.70 3.11
W2 2.00 1.53 1.70 5.20
Total 57.94
Calculation = (Perimeter of room x Height of room)-(Area of the
doors and windows in that room
Quantities of materials for inside plastering
For Ground Floor
Quantities of Items for 15mm plastering with 1:6 cement local sand
mortar in walls
Quantity
(m3)
Material Quantity
Cement (Bags) Sand (m3
)
10.54 43 9.03
For First Floor
Quantities of Items for 15mm plastering with 1:6 cement local sand
mortar in walls
Quantity
(m3)
Material Quantity
Cement (Bags) Sand (m3
)
13.09 54 11.22
Calculation, For No. of Cement Bags = ((1/7) x quantity)/0.0347
For Volume of sand = ((6/7) x quantity)
20mm thick plaster with 1:3 cement local sand mortar for outside walls
Sl No.
Particular of
items and
details of
works
No.
Length(
m)
Breadth(m) Height(m) Quantity(m2
) Remarks
1
Outside
plastering
1 45.628 3.355 153.08
2 Parking 1 11.56 0.61 7.05
3 Left out 1 1.708 2.44 4.17
deduct
Window
opening w2
4 1.525 1.71 2.61
Door opening
D
1 1.22 2.318 2.83
Window
opening w1
2 1.83 1.708 3.13
Ventilator v 1 0.61 0.915 0.56
NET TOTAL 155.17
Calculation = (Perimeter of the outer wall x Height of that floor)-(Area of
door and windows at outside walls)
Quantities of materials for outside plastering
For Ground Floor
Quantities of Items for 20mm plastering with 1:3 cement local sand mortor in walls
Quantity
(m3)
Material Quantity
Cement (Bags) Sand (m3)
4.84 35 3.63
For First Floor
Quantities of Items for 20mm plastering with 1:3 cement local sand mortor in walls
Quantity
(m3)
Material Quantity
Cement (Bags) Sand (m3)
7.74 56 5.81
Calculation, For No. of Cement Bags = ((1/4) x quantity)/0.0347
For Volume of sand = ((3/4) x quantity)
10mm thick plaster with 1:4 cement local sand mortar for
ceiling
Sl No.
Particular of
items and
details of
works No.
Length(
m) Breadth(m) Height(m) Quantity(m2) Remarks
1 Sit out 1.00 3.36 2.36 7.92
2 Store room 1.00 2.44 2.39 5.83
3 Kitchen 1.00 4.41 3.39 14.95
Calculation = Product of inner dimension of the room
Quantities of materials for ceiling plastering
Quantities of Items for 6mm plastering with 1:4 cement medium sand mortor in
ceiling
Quantity
(m3)
Material Quantity
Cement (Bags) Sand (m3)
2.14 12.30673138 1.71
For Ground Floor
For First Floor
Quantities of Items for 6mm plastering with 1:4 cement medium sand mortor in
ceiling of First Floor
Quantity
(m3)
Material Quantity
Cement (Bags) Sand (m3)
2.78 16 2.22
Calculation, For No. of Cement Bags = ((1/5) x quantity)/0.0347
For Volume of sand = ((4/5) x quantity)
BEAM
TIE BEAM 5
Inside distance(m)= 16.52
Centre to centre distance(m)= 16.75
Out side distance(m)= 16.98
Number of stirup= 91
Extra(m)= 9.14
Sl no Particulars Calculation Quantity Unit
1
Reinforcement
I)MAINBARS 17.72 70.89 m
II)STIRUPS 91 101.23 m
III)EXTRA 4 9.14 m
Total reinforcement 0.06 m³
2
Cement concrete
I)TOTAL VOLUME 1.38 m³
ii)volume of
concrete 1.32 m³
A)CEMENT 0.24 m³
B)SAND 0.36 m³
C)AGGREGATE 0.72 m³
Shuttering details for ground floor
Beam size Total length(m) Face1 Face2 Face3 Total area(m²)
9x14 166.89
L(m) B(m) L(m) B(m) L(m) B(m)
165.32166.89 0.38 166.89 0.23 166.89 0.38
Materials required
Materials Quantity Unit
Cement 2.50 M³
Sand 3.79 M³
Aggregate 7.66 M³
Reinforcement
16mm 497.45 Kg
12mm 446.98 Kg
8mm 444.44 Kg
85.34 BAGSCEMENT BAGS=
LINTEL DETAILS
FLOOR NUMBER
INSIDE
DISTANCE(M
)
MAIN BARS STIRUPS
TOTAL
VOLUME(M³
)
REINF
ORCE
MENT
VOLU
ME(M³)
CONCRETE
VOLUME(M
³
)
NO
LENGTH OF
ONE MAIN
BAR(M)
TOTAL
LENGTH
( M) NO
LENGTH OF
ONE
STIRUP(M
)
TOTAL
LENG
T H
(M)
GROUND FLOOR 173 4 179.86 719.44 1181 0.706 833.786 6.03 0.39 5.63
FIRST FLOOR 180 4 185.85 743.4 1220 0.706 861.32 6.27 0.41 5.86
2ND FLOOR 147 4 151.45 605.8 994 0.706 701.764 5.12 0.33 4.79
MATERIAL REQUIRED FOR LINTEL
GROND FLOOR
REINFORCEMENT CEMENT CONCRETE SHUTTERING DETAILS
TOTAL
AREA(M²)10MM 8MM CEMENT
(M³)
SAND(M³)
AGG
R
EGAT
E(M³)
FACE1 FACE2
L(M) B(M) L(M) B(M)
444.10 329.40 1.02 1.54 3.07 173 0.18 173 0.18 61.52
FIRST FLOOR 458.89 340.27 1.07 1.60 3.20 180 0.18 180 0.18 64.01
2ND FLOOR 373.95 277.24 0.87 1.31 2.61 147 0.18 147 0.18 52.27
TOTAL SHUTTERING AREA= 177.8 M²
20847 20.85
DETAIL OF QUANTITY OF R.C.C & STEEL
0 9042 3995 1992 4825 0 0
Serial
no
Floor
level
Item
Net Weight (Kg.) of bars
Total wt
of bar
(Kg)
including
5% extra
Total wt
of bar
(M.T)
6 8 10 12 16 20 25 32
1
Below
existing
ground
level
Foundation 0 23 91 696 0 0 0 0 851 0.851
Tie beam 0 444 0 447 497 0 0 0 1458 1.458
Column 0 198 0 183 375 0 0 0 794 0.794
2
E.G.L. to
1st floor
level
Column 0 314 0 223 396 0 0 0 980 0.980
Beam 0 572 0 85 1605 0 0 0 2375 2.375
Slab 0 2470 669 0 0 0 0 0 3296 3.296
Staircase 0 53 139 0 0 0 0 0 202 0.202
Lintel 0 329 444 0 0 0 0 0 812 0.812
Chajja 0 0 35 0 0 0 0 0 37 0.037
3
1st floor
level to
terrace
level
Column 0 314 0 223 396 0 0 0 980 0.980
Beam 0 462 0 48 1244 0 0 0 1841 1.841
Slab 0 2185 669 0 0 0 0 0 2997 2.997
Staircase 0 53 139 0 0 0 0 0 202 0.202
Lintel 0 340 459 0 0 0 0 0 839 0.839
Chajja 0 0 52 0 0 0 0 0 55 0.055
4
Mumty
top
Column 0 56 0 55 76 0 0 0 196 0.196
Beam 0 416 0 32 234 0 0 0 717 0.717
Slab 0 535 922 0 0 0 0 0 1530 1.530
Lintel 0 277 374 0 0 0 0 0 684 0.684
DETAIL OF QUANTITY OF R.C.C & STEEL
Serial
no
Floor
level
Item
Net Concrete volume
(R.C.C) including 5%
extra
Net Quantity of materials for R.C.C Net Shuttering in all
floors including 5%
extraCement Sand Stone chips
Cubic
Metre
C.F.T Bag
cubic
metre
C.F.T
cubic
metre
C.F.T
Square
metre
S.F.T
1
Below
existing
ground
level
Foundation 21.58 762.0 170.0 8.923 315.1 17.846 630.2 38.12 410.3
Tie beam 14.65 517.3 121.7 6.388 225.6 12.775 451.2 173.59 1868.5
Column 4.35 153.5 13.7 0.720 25.4 1.441 50.9 34.41 370.4
2
E.G.L. to
1st floor
level
Column 8.77 309.6 76.5 4.016 141.8 8.033 283.7 116.10 1249.7
Beam 17.28 610.3 151.8 7.972 281.5 15.943 563.0 170.51 1835.3
Slab 24.94 880.7 183.5 9.632 340.2 19.265 680.3 198.49 2136.6
Staircase 3.11 109.8 23.7 1.245 44.0 2.491 88.0 24.12 259.6
Lintel 5.91 208.8 31.9 1.674 59.1 3.347 118.2 64.60 695.3
Chajja 0.27 9.5 1.7 0.090 3.2 0.181 6.4 2.9 30.8
3
1st floor
level to
terrace
level
Column 8.77 309.6 60.8 3.192 112.7 6.385 225.5 116.10 1249.7
Beam 17.28 610.3 129.2 6.781 239.5 13.561 478.9 178.63 1922.7
Slab 23.24 820.6 175.2 9.199 324.9 18.398 649.7 183.67 1977.0
Staircase 3.11 109.8 23.7 1.245 44.0 2.491 88.0 24.12 259.6
Lintel 6.15 217.3 31.0 1.627 57.5 3.254 114.9 67.21 723.4
Chajja 0.39 13.9 2.5 0.134 4.7 0.268 9.5 4.82 51.9
4
Mumty
top
Column 1.71 60.4 12.9 0.677 23.9 1.354 47.8 22.33 240.4
Beam 5.28 186.5 37.2 1.952 68.9 3.904 137.9 60.10 646.9
Slab 7.93 280.0 68.3 3.588 126.7 7.177 253.4 57.94 623.7
Lintel 5.03 177.6 0.9 0.049 1.7 0.098 3.5 60.13 647.3
166.21 6347.42 1316.28 69.10 2440.41 138.21 4880.83 1597.84 17198.995
(Rupees Sixty Five Lakh Ninety Two Thousand Three Hundred Fifty One Only)
GENERAL ABSTRACT OF THE ESTIMATE OF PROPOSED
(G+1) RESIDENTIAL BUILDING
Date : 26/12/2019
Sl.
No.
Description Unit
SOR
Rate
(Rs.)
Qty Amount
1
Cost of Civil Works for Building as
per CPWD 2013-14 4,365,939.82
2 30% Escalation for current year 5,675,721.77
3
Cost of electrical work - 7.5% of civil
cost 425,679.13
4
Cost of plumbing & sanitary work -
7.5% of civil cost 425,679.13
Total Rs. 6,527,080.04
5
Add 1% contingency for unforseen item
if any 65,270.80
Grand Total Rs. 6,592,350.84
Say Rs. 6,592,351.00
CONCLUSION
 This project includes the layout of G+1 residential building using Auto Cad
and concludes with the cost estimate for the entire project. The estimate of
the G+1 residential building was prepared successfully
 In this, we have come to a conclusion that center line method of estimating
is the most suitable method for the considered plan as the walls of the
building are of similar cross section and have less number of junction.
 The cost estimate for the project has been calculated using center line
method in Microsoft Excel. For the Abstract cost CPWD 2013-14 schedule
of the rates has been followed and total cost Rs 65,92,351.00 (Sixty Five
Lakh Ninety Two Thousand Three Hundred and Fifty One Only) has been
calculated. has been calculated.
THANK YOU

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Double Storeyed Building Estimation and Costing by Nafisa Nazneen Choudhury (Civil Engineering Student of Assam Engineering College

  • 2. INTRODUCTION  In various engineering works it is required beforehand to know the probable cost of construction which is known as the estimated cost. If money available is less than the estimated cost, then attempts have to be made to reduce the cost by changing the specification or by reducing the work.  The subject matter of estimation is simple but knowledge of drawing of structures requires special skills like AUTOCAD, STAAD PRO, etc. One who understands the drawing can find out dimensions such as length, breadth, height, etc.  Following requirements are necessary for preparing estimate- • Drawings like plan, elevation and sections of important points like beam, staircase, footing, and column. • Detailed specification of workmanship and properties of materials. • Standard schedule of rates for the current year.
  • 3.  The complete work is divided into various items of work such as earthwork concreting, brickwork, reinforced concrete, plastering etc. The details of measurements are taken from drawings and entered in respective columns of prescribed proforma.  For calculating the cost of the building structure, the rates of materials are derived from Standard Schedule Rates which comprises of the prices of list of items in a tabular form.  Also, LumpSum items in estimate are included in the estimate- • Water supply and sanitary arrangements. • Electrical installation like meter, motor, etc. • Architectural features. • Contingencies and unforeseen items.
  • 4. TYPES OF ESTIMATE  Following are the different types of estimation- 1. Preliminary estimate or Approximate estimate or Abstract Estimate or Rough Cost Estimate 2. Detailed Estimate or Item Rate Estimate 3. Plinth Area Estimate 4. Cube Rate Estimate or Cubical Content Estimate 5. Approximate Quantity Method Estimate 6. Revised Estimate 7. Supplementary Estimate 8. Supplementary and Revised Estimate 9. Annual Repair or Maintenance Estimate
  • 5. OBJECTIVE  Required Quantity of Materials  Cost of Materials  Finding cost of various works like Brickwork, RCC, Reinforcement, etc.
  • 6. METHODOLOGY  Mensuration Method- This method of measuring lengths, areas, volumes using mensuration in its meaning is to measure, is widely used where geometrical figures are thoughtful and where one has to determine various physical quantities such as area, volume, length, etc. In estimation it is a common practice to use mensuration method to calculate quantities of items.  Centre Line Method- This method consists to find out total length of centre line of walls. Brickwork has been found out by this method in this project.  Engineering Method- With this technique, the system being costed is broken down into low level components each of which is costed separately for direct labour, other costs and direct material.
  • 7. PROBLEM STATEMENT To perform Double Storeyed Building Estimation and to calculate the cost of building structure from a given Plan, Elevation and Cross section of elements present in the building. Salient features: 1. Utility of building: Residential complex 2. No of stories: G+1 3. No of staircases: 5 4. No of lifts: 1 5. Type of construction: R.C.C framed structure 6. Types of walls: brick wall 7. Height of plinth: 0.76 m
  • 8. Geometric details: 8. Ground floor: 3.3 m 9. Floor to floor height: 3.3 m. 10. Depth of foundation: 1.68 m. 11. Clear Cover: 40 mm in Column, 50 mm in Footing, 25 mm in Beam and 15 mm in Slab Materials: 12. Concrete grade: All Concrete Mix M20 (1:1.5:3) unless otherwise specified 13. All steel grades: Fe 500 grade 14. Bearing Capacity of soil: 18 M.T./m2 All Dimensions in the Drawings are in Feet and Inches.
  • 9. PLAN OF  GROUND FLOOR  FIRST FLOOR  TERRACE FLOOR & ELEVATION
  • 10.
  • 11.
  • 12.
  • 13.
  • 14. (Rupees Sixty Five Lakh Ninety Two Thousand Three Hundred Fifty One Only) GENERALABSTRACT OF THE ESTIMATE OF PROPOSED (G+1) RESIDENTIAL BUILDING Date : 26/12/2019 Sl. No. Description Unit SOR Rate (Rs.) Qty Amount 1 Cost of Civil Works for Building as per CPWD 2013-14 4,365,939.82 2 30% Escalation for current year 5,675,721.77 3 Cost of electrical work - 7.5% of civil cost 425,679.13 4 Cost of plumbing & sanitary work - 7.5% of civil cost 425,679.13 Total Rs. 6,527,080.04 5 Add 1% contingency for unforseen item if any 65,270.80 Grand Total Rs. 6,592,350.84 Say Rs. 6,592,351.00
  • 16. FOOTING F1 Feet Inch Metre Reinforcement details L = 4 0 1.20 D2(Diameter of bars) T(Spacing) B = 4 0 1.20 10 mm 0.15 m D = 0 10 0.25 C = 0 6 0.15 G = 0 6 0.15 L1(Length of Column)= 0 14 0.36 B1(Breadth of Column)= 0 9 0.23 D1(Depth for Excavation)= 5 7 1.68 P1(PCC 0 3 0.08 S1(Sand Filling Thickness)= 0 4 0.10 W1(BottomWire Mesh Spacing)= 0 6 0.15 Sl No. Particulars Calculation Quantity Nos. of F1 Footing Total Quantit y 1 Earthwork in Excavation ((L+0.3) x (B+0.3) x D1) m3 3.78 m³ 1 3.78 m³ 2 1:4:8 PCC ((L+0.15) x (B+0.15) x P1) m3 0.14 m³ 1 0.14 m³ 3 Sand Filling ((L+0.15)x(B+0.15)xS1) m3 0.19 m³ 1 0.19 m³ RCC in Footing a)Upper Rectangular Portion (L1+0.3) x (B1+0.3)xG 0.05 m³
  • 17. 4 b) Bottom Rectangular Portion (L x B x C) m3 0.22 m³ c) Trapezoidal Portion {0.5 (L + (L1+ 0.3 )} x {0.5(B+(B1+0.3)} x (D-C) m3 0.08 m³ Total 0.35 m³ 1 0.35 m³ 5 Reinforcement 10.9 kg 1 10.9 kg a)Main bar in Foundation Transverse direction No. of bars (N2)= (Q/T)+ 1 8 L-2 x Clear Cover (Q) 1.1 m Longitudinal direction No. of bars (N1)= (P/T)+ 1 8 B-2 x Clear Cover (P) 1.1 m Length=P x N1+Q x N2 Weight= Lengthx((D2 x D2)/162) 6 Shuttering Area= 4L x C 0.73 1 0.7 m²
  • 18. TOTAL QUANTITY IN FOUNDATION Item Quantity Total QuantityF1 F2 F3 F4 F5 F6 EF1 EF2 EF3 EF4 EF3" EF4" E/W in Excavation 3.78 m³ 4.87 m³ 18.20 m³ 37.00 m³ 17.80 m³ 21.00 m³ 18.88 m³ 4.87 m³ 12.13 m³ 14.80 m³ 6.07 m³ 7.40 m³ 166.78 m³ PCC(1:4:8) 0.14 m³ 0.18 m³ 0.70 m³ 1.45 m³ 0.71 m³ 0.84 m³ 0.65 m³ 0.17 m³ 0.45 m³ 0.56 m³ 0.23 m³ 0.29 m³ 6.38 m³ Sand Filling 0.19 m³ 0.25 m³ 0.94 m³ 1.93 m³ 0.94 m³ 1.12 m³ 0.87 m³ 0.23 m³ 0.59 m³ 0.74 m³ 0.31 m³ 0.39 m³ 8.50 m³ RCC (M20) 0.35 m³ 0.51 m³ 2.06 m³ 4.84 m³ 2.41 m³ 3.41 m³ 1.71 m³ 0.48 m³ 1.33 m³ 1.85 m³ 0.69 m³ 0.91 m³ 20.55 m³ Reinforcement 10.86 kg 8.85 kg 72.08 kg 211.56 kg 135.34 kg 164.39 kg 104.86 kg 33.09 kg 84.22 kg 137.85 kg 42.11 kg 68.93 kg 1074.14 kg Shuttering 0.7 m² 0.9 m² 2.9 m² 5.5 m² 2.4 m² 3.6 m² 6.1 m² 1.7 m² 4.6 m² 5.9 m² 1.0 m² 1.1 m² 36.3 m² For RCC Grade of Concrete Ratio Of Cement Ratio of Sand Ratio of Aggregate M20 1 1.5 3 Total Volume of Concrete Volume of Cement Volume of Sand Volume of Aggregate No of Bags 20.55 m³ 5.76 m³ 13.29 m³ 26.59 m³ 166 For PCC Grade of Concrete Ratio Of Cement Ratio of Sand Ratio of Aggregate M7.5 1 4 8 Total Volume of Concrete Volume of Cement Volume of Sand Volume of Aggregate No of Bags 6.38 m³ 0.76 m³ 4.65 m³ 9.30 m³ 22
  • 19. CHAJJA FOR W Feet Inch Metre Reinforcement Details Length of window (L)= 8' 0'' 2.40 Diameter of Bars(B) Spacing(T) Breadth of window (B)= 5' 6'' 1.65 10 mm 0.15 m Length of Chajja (L1)= 8' 9'' 2.63 Breadth of Chajja (B1)= 2' 0'' 0.60 Depth of Chajja (D)= 0' 3'' 0.08 Breadth of Wall (B2)= 0' 9'' 0.23 Sl No. Particulars Calculations Quantity No. of W on which chajja provided Total Quantity 1 RCC in Chajja L1 x B1 x D 0.12 m³ 1 0.12 m³ 16.78 kg 2 Reinforcement 16.78 kg a)Main bar in Chajja Length (P)= B1+ B2 - Clear Cover of Chajja - Clear Cover of Beam 0.79 m No.s (Q)= ((L1 - 2 x Clear Cover of Chajja)/T) + 1 18 b) Distribution bar Length (R)= L1 - 2 x Clear Cover of Chajja 2.60 m No.s (S)= ((B1 - Clear Cover of Chajja)/T) + 1 5 Total Length= Px Q + R x S Weight= Total Length x D2 /162 3 Shuttering Area= 2 x D x B1 + D x L1 + L1 xB1 1.87 m² 1 1.87 m²
  • 20. TOTAL QUANTITY IN CHAJJA For RCC Item Quantity Total Quantity W W1 W2 RCC (M20) 0.12 m³ 0.19 m³ 0.32 m³ 0.62 m³ Reinforcement 16.78 kg 26.04 kg 44.55 kg 87.36 kg Shuttering 1.87 m² 2.93 m² 5.04 m² 9.84 m² Grade of Concrete Ratio Of Cement Ratio of Sand Ratio of Aggregate M20 1 1.5 3 Total Volume of Concrete Volume of Cement Volume of Sand Volume of Aggregate No of Bags 0.62 m³ 0.17 m³ 0.40 m³ 0.80 m³ 5.01
  • 22. ` 1ST FLOOR LEVEL TO TERRAICE COLUMN 1 Serial No 1.00 Longitudinal Main bar 1ST FLOOR TO TERRAICE LEVEL TERRAICE LEVEL Dia(MM) NO Length (M) Column marked C1 Nos 4.00 16.00 4.00 3.30 size Feet Inch Metere Lateral tiesLength 1.00 0.00 0.30 Breadth 1.00 0.00 0.30 Dia(MM) Spacing (INCH) NO Length Height 11.00 0.00 3.30 8.00 6.00 23 1.00 Sr No 1.00 Terraice level Below plinth level QUANTITY OF MATERIAL FOR (RCC) Column marked CONCRETE VOLUME (RCC) SHUTTERIN G QUANTITY OF STEEL Ratio 1.00 1.50 3.00 SUMMARY FOR STEEL (IN KG ) CU.M SQ.M Kg CEMENT SAND STONECHIP S REINFORCEMENT 8MM 16M M C1 1.19 15.84 119.12 BAGS CU.M CU.M 35.68 83.449.77 0.51 1.02
  • 23. BELOW PLINTH LEVEL SUMMARY FOR COLUMN RCC WORK (IN CU.M) 4.14 SHUTTERING (IN SQ.M) 32.77 REINFORCEMENT (IN KG) 8MM 12MM 16MM 197.73 183.33 375.11 plinth to 1st floor Level SUMMARYFOR COLUMN RCC WORK (IN CU.M) 8.35 SHUTTERING (IN SQ.M) 110.57 REINFORCEMENT(IN KG) 8MM 12MM 16MM 313.90 222.93 396.33 1st floor Level to Terraice SUMMARYFOR COLUMN RCC WORK (IN CU.M) 8.35 SHUTTERING (IN SQ.M) 110.57 REINFORCEMENT(IN KG) 8MM 12MM 16MM 313.90 222.93 396.33 Terraice to mumtty level SUMMARYFOR COLUMN RCC WORK (IN CU.M) 1.63 SHUTTERING (IN SQ.M) 21.27 REINFORCEMENT(IN KG) 8MM 12MM 16MM 55.79 55.47 75.85 SUMMARY FOR COLUMN
  • 24. SLAB
  • 25. SLAB 1(n) Serial No 14.00 Main bar in smaller span Main bar in longer span Distribution bar in shorter span at top Distribution bar in longer span at top Floor Level 1st floor level Dia(MM) Spacing (INCH) NO Lengt h (M) Dia(MM) Spacing (INCH) NO Length (M) Dia(MM) Spacing (INCH) NO Length (M) Dia(MM) Spacing (INCH) NO Length (M) Slab marked S1(n) Nos 1.00 8.00 6.00 17 2.71 8.00 8.00 13 2.76 8.00 6.00 13 2.62 8.00 6.00 13 2.65 size Feet Inch Metere Extra Top in smaller span Extra Top in longer span Length 8.00 0.00 2.40 Extra top 1 Extra top 2 Extra top 1 Extra top 2 Breadth 7.00 10.50 2.37 Dia(MM) Spacing (INCH) NO Length Dia(MM) Spacing (INCH) NO Length Dia(MM) Spacing (INCH) NO Length Dia(MM) Spacing (INCH) NO Length Thickness 4.50 0.11 8.00 12.00 9 0.89 8.00 12.00 9 0.89 8.00 16.00 7 0.90 8.00 16.00 7 0.90 Sr No Floor Level 1st floor level QUANTITY OF MATERIAL FOR (RCC) Slab marked CONCRETE VOLUME (RCC) SHUTTERING QUANTITY OF STEEL Ratio 1.00 1.50 3.00 CU.M SQ.M Kg CEMENT SAND STONECHIPS s1(a) 0.65 5.68 68.60 BAGS CU.M CU.M 5.34 0.28 0.56
  • 26. 1ST FLOOR SUMMARY RCC WORK (IN CU.M) 23.74 SHUTTERING (IN SQ.M) 189.04 REINFORCEMENT (IN KG) 8MM 10MM 2469.52 669.39 2ND FLOOR SUMMARY RCC WORK (IN CU.M) 22.13 SHUTTERING (IN SQ.M) 174.92 REINFORCEMENT (IN KG) 8MM 10MM 2184.92 669.39 MUMTTY TOP LEVEL SUMMARY RCC WORK (IN CU.M) 7.55 SHUTTERING (IN SQ.M) 55.18 REINFORCEMENT (IN KG) 8MM 10MM 534.89 922.29 SUMMARY
  • 28. STAIRCASE DETAILS Flight L1 Tread Riser Slopped length L3 Mainbar Binder Details of chair Meter No Dim (m) No Dim (m) Meter Meter No Spacing (inch) Dia Of bar Length (m) No Dia Spacing Length (m) Dia No Length Flight1 0 10 0.3 11 0.15 3.69 1.52 12 5 10 110.366 47 8 8 67.68 10 4 2.28 Flight2 1.52 10 0.3 11 0.15 3.69 0 12 5 10 110.366 47 8 8 67.68 10 4 2.28
  • 29. FOR STAIRCASE 3 FOR STAIRCASE 2 Shuttering details 8mm 53.48 Reinforcement details Concrete details Binder Size Weight MAINBARS SIZE WEIGHT 10MM 136.25 CONCRETE VOLUME 3 M³ RATIO 1 1.5 3 CEMENT SAND AGGREGATE 0.79 0.81 1.62 TOTAL SHUTTERING AREA 23 M² TOTAL QUANTITY OF STEEL= 193 KG CEMENT BAGS 23 BAGS CHAIR SIZE WEIGHT 10MM 2.81 REINFORCEMENT(KG) CEMENT (BAGS) SAND M³ AGGREGATE M³ SHUTTERING M² 193 22.77 0.81 1.62 22.97 REINFORCEMENT(KG) CEMENT (BAGS) SAND M³ AGGREGATE M³ SHUTTERING M² 193 22.77 0.81 1.62 22.97 TOTAL REINFORCEMENT(KG) TOTAL CEMENT (BAGS) TOTAL SAND M³ TOTAL AGGREGATE M³ TOTAL SHUTTERING AREA M² 577.63 68.30 2.43 4.85 68.91
  • 30. CALCULATION OF BRICKWORK  DATA REQUIRED  LENGTH OF WALL  BREADTH OF WALL(THICKNESS OF WALL)  HEIGHT OF WALL CALCULATION A= TOTAL VOLUME OF WALL=L X B X H m³ NUMBERS OF BRICKS WITHOUT MORTAR=A/0.002 SO, QUANTITY OF MORTAR=(A)-(NUMBERS OF BRICKS X VOLUME OF BRICKS WITHOUT MORTAR) CEMENT: SAND =1:6 CEMENT=MORTAR QUANTITY X 1/7 SAND= MORTAR QUANTITY X 6/7
  • 31. EXAMPLE  BRICKWORK FOR BEDROOM FOR 1ST FLOOR  LENGTH=10.15 M  BREADTH=0.254M  HEIGHT=3.30M  BEDROOM WALL VOLUME=10.15X0.254X3.30 m³ =8.50 m³  DEDUCTION=1.05 m³(DOOR) + 1.54 m³(WINDOW)  TOTAL BEDROOM WALL VOLUME=5.91 m³  NUMBER OF BRICKS WITH MORTAR =5.91/0.002 =2955 NUMBERS  QUANTITY OF MORTAR= VOLUME OF WALL – (VOLUME BRICKS WITH OUT MORTAR X NUMBERS OF BRICKS)  SO, QUANTITY OF MORTAR=5.91-2955 X0.001539=1.37 m³  CEMENT AND SAND RATIO= 1:6  CEMENT=1.37 X 1/7 =0.19 m³=6 bags
  • 33. `Calculation For Doors and Windows For Frame Calculation of Door Frame = (2 X (Height of door +0.04)+Length of Door) X Thickness of frame X Width of frame Calculation of Window Frame = (2 x Length of Window+2 x Height of Window) x Thickness of Frame x Width of Frame Considered, Insertion into flooring = 4cm Thickness of frame = 6 cm Width of Frame = 12 cm DESCRIPTIO N OF ITEMS NUMBE R LENGTH (m) BREADTH (m) HEIGHT (m) CALCULAT ION QUANTITY(m3) WOODWORK Salwood door and windows chowkaths formed and fixed of thickness 6cm and width 12cm (a) Doors (including 4cm insertion into flooring) D 2.00 1.22 2.32 0.04 0.09 (b) Window W1 3.00 1.83 1.70 0.05 0.15
  • 34. For Panel Calculation of Door Panel = (Height of Door) X (Length of Door)-(Surface area of frame) Calculation of Window Panel = (Height of Window) X (Length of window)- (Surface area of frame) Considered, Thickness of Panel = 4cm DESCRIPTION OF ITEMS NUMBER LENGTH (m) BREADTH (m) HEIGHT (m) CALCULATION QUANTITY(m2) 4cm thick shuttering including fittings (a)Doors D 2.00 1.22 2.32 2.49 4.97 (b)Windows W1 3.00 1.83 1.70 2.77 8.30
  • 35. Summary For Ground Floor Detail of Woodwork Frame Quantity (m3) Panel Quantity (m2) 0.91 42.80 For First Floor Detail of Woodwork Frame Quantity (m3) Panel Quantity (m2) 0.98 42.00
  • 36. Plastering 15mm thick plaster with 1:6 cement local sand mortar for inside walls Sl No. Particular of items and details of works No. Length( m) Breadth( m) Height( m) Quantity (m2 ) Remarks 12mm plastering with 1:6 cement local sand mortor in walls 1 Drawing Room 1.00 21.84 3.36 73.27 L=Inner Perimeter Deduct Sliding Door 1.00 1.83 2.30 4.21 Door D 1.00 1.22 2.30 2.81 W1 1.00 1.83 1.70 3.11 W2 2.00 1.53 1.70 5.20 Total 57.94 Calculation = (Perimeter of room x Height of room)-(Area of the doors and windows in that room
  • 37. Quantities of materials for inside plastering For Ground Floor Quantities of Items for 15mm plastering with 1:6 cement local sand mortar in walls Quantity (m3) Material Quantity Cement (Bags) Sand (m3 ) 10.54 43 9.03 For First Floor Quantities of Items for 15mm plastering with 1:6 cement local sand mortar in walls Quantity (m3) Material Quantity Cement (Bags) Sand (m3 ) 13.09 54 11.22 Calculation, For No. of Cement Bags = ((1/7) x quantity)/0.0347 For Volume of sand = ((6/7) x quantity)
  • 38. 20mm thick plaster with 1:3 cement local sand mortar for outside walls Sl No. Particular of items and details of works No. Length( m) Breadth(m) Height(m) Quantity(m2 ) Remarks 1 Outside plastering 1 45.628 3.355 153.08 2 Parking 1 11.56 0.61 7.05 3 Left out 1 1.708 2.44 4.17 deduct Window opening w2 4 1.525 1.71 2.61 Door opening D 1 1.22 2.318 2.83 Window opening w1 2 1.83 1.708 3.13 Ventilator v 1 0.61 0.915 0.56 NET TOTAL 155.17 Calculation = (Perimeter of the outer wall x Height of that floor)-(Area of door and windows at outside walls)
  • 39. Quantities of materials for outside plastering For Ground Floor Quantities of Items for 20mm plastering with 1:3 cement local sand mortor in walls Quantity (m3) Material Quantity Cement (Bags) Sand (m3) 4.84 35 3.63 For First Floor Quantities of Items for 20mm plastering with 1:3 cement local sand mortor in walls Quantity (m3) Material Quantity Cement (Bags) Sand (m3) 7.74 56 5.81 Calculation, For No. of Cement Bags = ((1/4) x quantity)/0.0347 For Volume of sand = ((3/4) x quantity)
  • 40. 10mm thick plaster with 1:4 cement local sand mortar for ceiling Sl No. Particular of items and details of works No. Length( m) Breadth(m) Height(m) Quantity(m2) Remarks 1 Sit out 1.00 3.36 2.36 7.92 2 Store room 1.00 2.44 2.39 5.83 3 Kitchen 1.00 4.41 3.39 14.95 Calculation = Product of inner dimension of the room
  • 41. Quantities of materials for ceiling plastering Quantities of Items for 6mm plastering with 1:4 cement medium sand mortor in ceiling Quantity (m3) Material Quantity Cement (Bags) Sand (m3) 2.14 12.30673138 1.71 For Ground Floor For First Floor Quantities of Items for 6mm plastering with 1:4 cement medium sand mortor in ceiling of First Floor Quantity (m3) Material Quantity Cement (Bags) Sand (m3) 2.78 16 2.22 Calculation, For No. of Cement Bags = ((1/5) x quantity)/0.0347 For Volume of sand = ((4/5) x quantity)
  • 42. BEAM
  • 43. TIE BEAM 5 Inside distance(m)= 16.52 Centre to centre distance(m)= 16.75 Out side distance(m)= 16.98 Number of stirup= 91 Extra(m)= 9.14 Sl no Particulars Calculation Quantity Unit 1 Reinforcement I)MAINBARS 17.72 70.89 m II)STIRUPS 91 101.23 m III)EXTRA 4 9.14 m Total reinforcement 0.06 m³ 2 Cement concrete I)TOTAL VOLUME 1.38 m³ ii)volume of concrete 1.32 m³ A)CEMENT 0.24 m³ B)SAND 0.36 m³ C)AGGREGATE 0.72 m³
  • 44. Shuttering details for ground floor Beam size Total length(m) Face1 Face2 Face3 Total area(m²) 9x14 166.89 L(m) B(m) L(m) B(m) L(m) B(m) 165.32166.89 0.38 166.89 0.23 166.89 0.38 Materials required Materials Quantity Unit Cement 2.50 M³ Sand 3.79 M³ Aggregate 7.66 M³ Reinforcement 16mm 497.45 Kg 12mm 446.98 Kg 8mm 444.44 Kg
  • 45. 85.34 BAGSCEMENT BAGS= LINTEL DETAILS FLOOR NUMBER INSIDE DISTANCE(M ) MAIN BARS STIRUPS TOTAL VOLUME(M³ ) REINF ORCE MENT VOLU ME(M³) CONCRETE VOLUME(M ³ ) NO LENGTH OF ONE MAIN BAR(M) TOTAL LENGTH ( M) NO LENGTH OF ONE STIRUP(M ) TOTAL LENG T H (M) GROUND FLOOR 173 4 179.86 719.44 1181 0.706 833.786 6.03 0.39 5.63 FIRST FLOOR 180 4 185.85 743.4 1220 0.706 861.32 6.27 0.41 5.86 2ND FLOOR 147 4 151.45 605.8 994 0.706 701.764 5.12 0.33 4.79 MATERIAL REQUIRED FOR LINTEL GROND FLOOR REINFORCEMENT CEMENT CONCRETE SHUTTERING DETAILS TOTAL AREA(M²)10MM 8MM CEMENT (M³) SAND(M³) AGG R EGAT E(M³) FACE1 FACE2 L(M) B(M) L(M) B(M) 444.10 329.40 1.02 1.54 3.07 173 0.18 173 0.18 61.52 FIRST FLOOR 458.89 340.27 1.07 1.60 3.20 180 0.18 180 0.18 64.01 2ND FLOOR 373.95 277.24 0.87 1.31 2.61 147 0.18 147 0.18 52.27 TOTAL SHUTTERING AREA= 177.8 M²
  • 46. 20847 20.85 DETAIL OF QUANTITY OF R.C.C & STEEL 0 9042 3995 1992 4825 0 0 Serial no Floor level Item Net Weight (Kg.) of bars Total wt of bar (Kg) including 5% extra Total wt of bar (M.T) 6 8 10 12 16 20 25 32 1 Below existing ground level Foundation 0 23 91 696 0 0 0 0 851 0.851 Tie beam 0 444 0 447 497 0 0 0 1458 1.458 Column 0 198 0 183 375 0 0 0 794 0.794 2 E.G.L. to 1st floor level Column 0 314 0 223 396 0 0 0 980 0.980 Beam 0 572 0 85 1605 0 0 0 2375 2.375 Slab 0 2470 669 0 0 0 0 0 3296 3.296 Staircase 0 53 139 0 0 0 0 0 202 0.202 Lintel 0 329 444 0 0 0 0 0 812 0.812 Chajja 0 0 35 0 0 0 0 0 37 0.037 3 1st floor level to terrace level Column 0 314 0 223 396 0 0 0 980 0.980 Beam 0 462 0 48 1244 0 0 0 1841 1.841 Slab 0 2185 669 0 0 0 0 0 2997 2.997 Staircase 0 53 139 0 0 0 0 0 202 0.202 Lintel 0 340 459 0 0 0 0 0 839 0.839 Chajja 0 0 52 0 0 0 0 0 55 0.055 4 Mumty top Column 0 56 0 55 76 0 0 0 196 0.196 Beam 0 416 0 32 234 0 0 0 717 0.717 Slab 0 535 922 0 0 0 0 0 1530 1.530 Lintel 0 277 374 0 0 0 0 0 684 0.684
  • 47. DETAIL OF QUANTITY OF R.C.C & STEEL Serial no Floor level Item Net Concrete volume (R.C.C) including 5% extra Net Quantity of materials for R.C.C Net Shuttering in all floors including 5% extraCement Sand Stone chips Cubic Metre C.F.T Bag cubic metre C.F.T cubic metre C.F.T Square metre S.F.T 1 Below existing ground level Foundation 21.58 762.0 170.0 8.923 315.1 17.846 630.2 38.12 410.3 Tie beam 14.65 517.3 121.7 6.388 225.6 12.775 451.2 173.59 1868.5 Column 4.35 153.5 13.7 0.720 25.4 1.441 50.9 34.41 370.4 2 E.G.L. to 1st floor level Column 8.77 309.6 76.5 4.016 141.8 8.033 283.7 116.10 1249.7 Beam 17.28 610.3 151.8 7.972 281.5 15.943 563.0 170.51 1835.3 Slab 24.94 880.7 183.5 9.632 340.2 19.265 680.3 198.49 2136.6 Staircase 3.11 109.8 23.7 1.245 44.0 2.491 88.0 24.12 259.6 Lintel 5.91 208.8 31.9 1.674 59.1 3.347 118.2 64.60 695.3 Chajja 0.27 9.5 1.7 0.090 3.2 0.181 6.4 2.9 30.8 3 1st floor level to terrace level Column 8.77 309.6 60.8 3.192 112.7 6.385 225.5 116.10 1249.7 Beam 17.28 610.3 129.2 6.781 239.5 13.561 478.9 178.63 1922.7 Slab 23.24 820.6 175.2 9.199 324.9 18.398 649.7 183.67 1977.0 Staircase 3.11 109.8 23.7 1.245 44.0 2.491 88.0 24.12 259.6 Lintel 6.15 217.3 31.0 1.627 57.5 3.254 114.9 67.21 723.4 Chajja 0.39 13.9 2.5 0.134 4.7 0.268 9.5 4.82 51.9 4 Mumty top Column 1.71 60.4 12.9 0.677 23.9 1.354 47.8 22.33 240.4 Beam 5.28 186.5 37.2 1.952 68.9 3.904 137.9 60.10 646.9 Slab 7.93 280.0 68.3 3.588 126.7 7.177 253.4 57.94 623.7 Lintel 5.03 177.6 0.9 0.049 1.7 0.098 3.5 60.13 647.3 166.21 6347.42 1316.28 69.10 2440.41 138.21 4880.83 1597.84 17198.995
  • 48. (Rupees Sixty Five Lakh Ninety Two Thousand Three Hundred Fifty One Only) GENERAL ABSTRACT OF THE ESTIMATE OF PROPOSED (G+1) RESIDENTIAL BUILDING Date : 26/12/2019 Sl. No. Description Unit SOR Rate (Rs.) Qty Amount 1 Cost of Civil Works for Building as per CPWD 2013-14 4,365,939.82 2 30% Escalation for current year 5,675,721.77 3 Cost of electrical work - 7.5% of civil cost 425,679.13 4 Cost of plumbing & sanitary work - 7.5% of civil cost 425,679.13 Total Rs. 6,527,080.04 5 Add 1% contingency for unforseen item if any 65,270.80 Grand Total Rs. 6,592,350.84 Say Rs. 6,592,351.00
  • 49. CONCLUSION  This project includes the layout of G+1 residential building using Auto Cad and concludes with the cost estimate for the entire project. The estimate of the G+1 residential building was prepared successfully  In this, we have come to a conclusion that center line method of estimating is the most suitable method for the considered plan as the walls of the building are of similar cross section and have less number of junction.  The cost estimate for the project has been calculated using center line method in Microsoft Excel. For the Abstract cost CPWD 2013-14 schedule of the rates has been followed and total cost Rs 65,92,351.00 (Sixty Five Lakh Ninety Two Thousand Three Hundred and Fifty One Only) has been calculated. has been calculated.