193133379 RCC Estimation

7/25/2019 193133379 RCC Estimation

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Example 1 : ESTIMATE OF RCC ROOF SLAB

Details of Measurements & Calculations of Quantities

7/25/2019 193133379 RCC Estimation


7/25/2019 193133379 RCC Estimation


Item

No.

Particulars of items &

details of worksNo.

Length

(m)

Breadth

(m)

Height

or

Depth(m)

Quantity Explanatory notes

1RCC work 1:2:3

excluding steel & its

bending, but including

centering & shutering &

binding steel

1 6.3 3.3 0.122.495

cum

No deduction for steel

bars

2 Steel bars including

bending(maild steel in

RCC work- Main bars

12mm dia @ 0.89 kg/m -

---

Straight bars 24cm c/c

(No= ((6.30-

0.80)/0.24)+1=27

27 3.44

Side cover 4 cm

L=3.30-2side covers + 2

hooks = 3.30-

0.08+(18x0.12)=3.44m

Bent up bars 24 cm c/c(No=((6.30-0.8)/0.24)=26

26 3.52 Adding one depth 8 cm

for two bent ups.

Total 184.4 @ 0.89

= 184.40

kg/M

*0.89=

164.12

kg

Distribution bars 6mm

(dia @ 0.22 kg/m)

Bottom bars central

portion 18 cm c/c

(Nos =( 2.00/18 ) + 1=12)

12 6.331=6.30-

0.08+(18*0.12)=6.33m

Bottom bars two sides 2x3 6.33

Top bars two sides 2x3 6.33

Total

151.92 @

0.22kg/m33.42 kg

151.92 x

0.22 =

33.42 kg

Total =197.54

kg1.975

quintal

7/25/2019 193133379 RCC Estimation


1 RCC work 1:2:4

exculding steel and its

bending but including

centering and

shuttering and bendingof steel 2.495 cum= 675.00/cum= RS 1684.12

2 steel bars including

bending (mild steel ) in

RCC work 1.975 q @ 515.00 per quintel= Rs 1017.13

Total Rs 2701.25

5% cotige. & WE Rs 135.06

Grand toatal 2836.31

Abstract of estimated cost

7/25/2019 193133379 RCC Estimation


SCHEDULE OF BARS --- RCC SLAB

Description ofbars Shape of Bending Dimensions In cm

Length

of each(m)

No.

Total

Length(m)

Weight(kg)

Main straight bars

12 mm. DIA 3.44 27 92.88

Main Bent up bars

12mm dia. 3.52 26 91.52

Total 184.4 164.12

Bottom distribution

buting bars

6 mm dia 6.33 18 113.94

Top distributing

Bars 6mm dia 6.33 6 37.98

151.92 33.42

7/25/2019 193133379 RCC Estimation


EXAMPLE 2

ESTIMATING OF R.C.C BEAM

A detailed estimate of a R.C.C beam of 8m clear span and 75cm x 40cm

7/25/2019 193133379 RCC Estimation


7/25/2019 193133379 RCC Estimation


Item No.Particulars of items

& details of worksNo.

Length

(m)

Breadth

(m)

Height

or

Depth

(m)

Quantity Explanatory notes

1 R.C.C. work 1:2:4

excluding steel and

its bending but

including centering

1 8.6 0.4 0.75 2.58 cu.mNo deduction for vol. Of

steel bars.

2 Steel bars including

(mild steel) in R.C.Cwork Main bars –

22mm dia. Straight

4 8.92 35.68 x2.98 kg 106.33 kg

L=8.60-2 end cover + 2

hooks= 8.60-(2X4

cm)+(18X22mm) =8.92 m

20 mm dia. bent up

bars @2.47kg/m4 9.48 37.92

x 2.47

kg93.66 kg

L=8.60-2 end covers +2

hooks+one depth=8.60-8

cm +(18X20 mm) +60

cm=9.48 cm

12mm dia top bars

@0.89 kg/m2 8.74 17.48

x 0.89

kg15.56 kg

L=8.60-2 end covers +2

hooks = 8.60-8 cm+

(18X12 mm)= 8.74m

Stirrups, 10mm dia.

bars @0.62 kg/m-at

end 12 cm c. to.c.

5x2 2.42 - - -

Next at 20 cm c/c 4x2 2.42 - - -

Total

18 x 2.42 40.32 - -

Stirrups 6mm dia.

@0.22 kg/m At

central remaining

length of 5.20m at 35

cm c. to c.

14 2.42 - - -

Total 14 x 2.42 = 33.88 x0.22 kg

=7.45 kg

Total 250.01 kg

2.5 quintal

L=(65X2+32X2 cm)+2

hooks+extra 30 cm = 194

cm + (18X10 mm ) + 30

cm = 2.42m

7/25/2019 193133379 RCC Estimation


ABSTRACT OF ESTIMATED COST

Item No.Particulars of item

of work

QuantitUnit Rate per cost

Rs P Rs P

1 R.C.C. work 1:2:4

excluding steel and

its bending but

including centering

and binding of steel

2.58 cu.m 675 cu.m 1714.5

2

Steel bars including

(mild steel) in R.C.C

work Main bars –

22mm dia. Straight

bars @ 2.98 kg/m.

2.5 quintal 515 quintal 1287.5

Total 3002

Add 3% for contingencies and 2% for workcharged Establishment

Grand Total 3152

D i T t l

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Descrip

tion of

bars

Shape of Bending Dimensions In cmLength of

each (m)No.

Total

Length

(m)

Weight(

kg)

Main

straight

bars 22

mm. DIA

8.92 4 35.68 106.33

Main Bent

up bars

20mm

dia.

9.48 2 18.96 46.83

Main Bent

up bars

20mmdia.

9.48 2 18.96 46.83

Top

straight

Bars 20

mm dia

8.74 2 17.48 15.56

Stirrups

10 mm

dia

2.24 18 40.32 25

Stirrups 6

mm dia14 31.36 6.9

7/25/2019 193133379 RCC Estimation


Note -- (i) If centering and shuttering is paid separately , the area and xost can be found as follows

Area of centering and shuttering = Bottom and two vertical sides x length + two ends[(40 cm + 2 x 75 cm ) x 8.60 m] + (2 x 40 cm x 75 cm ) = (1.90 x 8.60 ) + ( 2x 0.40 x 0.75 )

:= 16.34 + 0.60 = 16.94 sq

Cost of centering and shuttering @ Rs 20.00 per sq.m = 16.94 x20.00 = 338.80

(ii) For over lapping at joints 5% of the whole steel may be provided in the estimate .

7/25/2019 193133379 RCC Estimation


RCC COLUMN WITH FOUNDATION

Example 3: Prepare a detailed estimate of a RCC column with foundation footing

7/25/2019 193133379 RCC Estimation


1 Earth work in excavation in

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1 Earth work in excavation infoundation

1x2.00x2.00x0.83m = 3.32 cu.m

2 Cement concrete 1 :4:8 in base1x2.00x2.00x0.08m= 0.32 cu.m

3 RCC work 1:2:4 in footingexcluding steel and its bendingbut including centering and

shuttering and binding steelBottom square portion1x2.00x2.00x0.25m = 1.00 cu.mTrapezoidal portion vol..

= h/6(A1+A2+4Am)

0.50/6 {0.22

+ 0.352

+ 4( 2 + 0.35 )2/ 2} = 0.804 cu.m

Total 1.804 cu.m

4RCC Work 1:2:4 in column aboveG.L excluding steel and its

bending but including centeringand shuttering and binding steel

Square portion below plinth level

1x0.35x0.35x60 = 0.074cu.m

Cicular portion above plinth level

1x(3.14x0.302)/4x3.30 = 0.233 cu.m

Total 0.307 cu.m

5 Steel reinforcing bars including bending --(I) 12 mm Dia bars @ 0.89 kg in base footing …………………

No of bars = (200 cm - 8 cm ) /15cm + 1 = 14 nos one way L = 200 -2 cover +2 hooks = 200 - 2x4 +18x1.2 = 213.6 = 2.14 cm

(ii) 16 mm dia dowel bars @ 1.58 kgs ………….. 6 nos x 1.27 x 1.58 = 12.04 kg(L= 0.45+0.75-cover + bend = 1.20 - 0.80 + 0.15 = 1.27m

(iii) 16 mm dia bars @ 1.58 kgs in column ………….. 6 nos x 4.10 x 1.58 = 38.87 kg(L= 3.30 +0.60 +0.10 +0.10 = 4.10m

(iv) 10 mm dia bars @ 0.62 kgs in lateral ties ………….. 27 nos x 0.70 x 0.62 = 11.72 kg

Lateral ties No = (3.90/0.15) + 1 = 27 nos Total 115.96kgL = (3.14 x 0.22) = 0.70 m 1.16q

ABSTRACT OF COST

7/25/2019 193133379 RCC Estimation


ABSTRACT OF COST

Item noName of items and details of

workQuantity

Rate

(Rs.P)

Amount

(Rs.P)

1Earthwork in excavation in

foundation3.32 cu.m

350 per

cu.m 11.62

2Cement concrete 1:4:8 in base

with brick ballast

0.32cu.m300per

cu.m 96

3

RCC work 1:2:4 in footing

excluding steel and its bending

but including centering and

shuttering and binding steel

1.804cu.m625per

cu.m

1127.5

4

RCC Work 1:2:4 in column above

G.L excluding steel and its

bending but including centering

and shuttering and binding steel

0.307cu.m590per

cu.m

181.13

5Steel reinforcing bars including

bending --1.16q

515per

cu.m 597.4

Total 2013.65

100.68

Grand

Total 2114.33

Note -- Centering and shuttering if required may be estimated separately as follows

Footing trapezium portion --- 4 nos x (2.00+0.35) / 2 x sloping height

4x1.175xsqrt{ (0.825)2+ 0.52

2} = 4.531 sq.m

Square port ion above GL upto pl inth level 4 nos x 0.35 x 0.45 = 0.630 sq.m

Cicular portion above plinth level --- (3.14 x 0.30 ) x 3.30 = 3.109 sq.m

Total = 8.27sq.m

Add 5% for Contingences and Worcharged Establishment

7/25/2019 193133379 RCC Estimation


A detailed estimate of R.C.C.

Staircase

Example 4

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7/25/2019 193133379 RCC Estimation


Details of Measurement and calculation of QuantitiesItem No. Particulars of item and No. length breadth height or depth Quantity Explanatory notes

details of works m m m

1 R.C.C. work 1:2:4


but including centering andbending steel--

Base of flights in ground floor 1 1.2 0.5 0.25 0.15

slab of flights(inclined) 2 3.12 1.2 0.15 1.156 bearing 15cm

Landing middle and first floor 2 2.7 1.35 0.15 1.094

total 2.4 cu m

2 Brickwork in steps in 1:4

cement mortar(cut brickwork) 2 1.2 1/2(.25.25) 0.495 cu m

3 20mm cement plaster 1:6

in steps finfshed neat cement

floating--

Tread and rise 2 1.2 (.25.25) 10.56

Ends of steps 2 1/2(.25.25) 0.41

Total 10.97 sq m

4 2.5cm Nosing in steps

in 1:3 cement mortar 2 1.2 - - 28.8

5 2.5cm c.c floor 1:2:4 finished

neat cement floating in landing

middle and first floor 2 2.7 1.2 - 6.48 sq m

Item No. Particulars of item and No. length breadth height or depth Quantity Explanatory notes

7/25/2019 193133379 RCC Estimation


g g y ydetails of works m m m

6 steel work

including bending in rinforce-

ment and railing

(i)12mm Dia. [email protected] in

R.C.C work--main bars in

landing

No of bars 120/12=11 11 5.22 L=4.10+0.90+0.18

main bars in upper fright and

middle and first floor landing 11 6.25 L=1.3+3.7+1.05+

.18+0.12=6.25mTop bars first floor landing 11 1.8 L=1.08+.61+9.012

Extrs bsrs first floor middle

of each landing 2 1.49 L=1.2+.15-2cover+

2hooks=1.49m

Total 148.950.86 132.56kg

(ii)8mm Dia distributing bars@

0.39kg in R.C.C work

Lower flight 15nos and

upper flight 14nos 29 1.27 L=1.2-2cover+

2hooks=1.27m

middle landing 9nos and upper

landing 8 nos 17 2.77 L=2.70-2cover+

2hooks=2.77m

83.92 0.39 32.73kg

(iii) 16mm sq bars in railing@

2.01kg 47 0.90 2.01 85.02kg

Total 250.3kg

2.503q

7 R.C.C 1:2:4 hand rail includivereinforcement centering and

shuttering finished neat cement

floating with moulding 1 6.82 6.82rm L=23.21+0.40=6.82

8 R.C.C 1:2:4 Newal posts

including steel reinforcement

and from work finished

Ground floor 1 1 0.1 0.1 0.01

first floor 1 0.9 0.1 0.1 0.01

Total 0.02 cu m

9 Caps of Newal post of c.c 2 nos

ABSTRACT ESTIMATE

7/25/2019 193133379 RCC Estimation


ABSTRACT ESTIMATE

Item No. Particulars of item and Quantity Unit Rate per cost

details of works Rs P Rs P

1 R.C.C. work 1:2:4


but including centering and

bending steel-- 2.4 cu m 775 /cu m 1860

2 Brickwork in steps in 1:4

cement mortar(cut brickwork) 0.495 cu m 365 /cu m 180.68

3 20mm cement plaster 1:6

in steps finfshed neat cement

floating-- 10.97 sq m 9.5 /sq m 104.22

4 2.5cm Nosing in steps

in 1:3 cement mortar 28.8 r m 5.5 /r m 158.4

5 2.5cm c.c floor 1:2:4 finished

neat cement floating 6.48 sq m 18 /sq m 116.64

6 steel work

including bending in rinforce-

ment and railing 2.503 q 515 /q 1289.05

7 R.C.C 1:2:4 hand rail includive

reinforcement centering andshuttering finished neat cement

floating with moulding 6.82 r m 24 /r m 163.68

8 R.C.C 1:2:4 Newal posts

including steel reinforcement

and from work 0.02 cu m 675 /cu m 13.5

9 Caps of Newal post of c.c 2 nos 10 each 20

Total 3905.17

Add 3%for contingenvies 117.18 Add 2% Workcharged Establishment 78.12

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193133379 RCC Estimation