LIFT-PIT CALCULATION | QUANTITY SURVEY | VOLUME OF CONCRETE AND AREA OF SHUTTERING -lceted LCETED INSTITUTE FOR CIVIL ENGINEERS

## Nov 18, 2021

LIFT-PIT CALCULATION | QUANTITY SURVEY | VOLUME OF CONCRETE & AREA OF SHUTTERING

For a given drawing of Lift-Pit find

1. Volume of Concrete

2. Area of Shuttering

1. Plain Cement Concrete Bed:

L = 2.30m ; B = 2.0m ; T = 0.10m

(a) Volume Of Concrete For P.C.C Bed = Area X Thickness Of P.C.C Bed

= L x B x D

= 2.30 x 2.0 x 0.10

= 0.46 m3

(b) Shuttering Area For P.C.C Bed = (L+B) x 2 x D

= (2.30 + 2.0) x 2 x 0.10

= 0.86 m2

2. Bottom slab:

L = 2.10m ; B = 1.80m ; T = 0.20m

(a) Volume of Concrete for Bottom slab = area x thickness of bottom slab

= L x B x D

= 2.10 x 1.80 x 0.20

= 0.756 m3

(b) Shuttering area for Bottom slab = (L+B) x 2 x D

= (2.10 + 1.80) x 2 x 0.20

= 1.56 m2

3. Shear Wall Along Horizontal Plane :

L = 2.10m ; B = 0.20m ; H = 1.20 m

(a) Volume of Concrete for Shear wall = area x depth x no. of walls

= L x B x D x no.s

= 2.10 x 0.20 x 1.20 x 2

= 1.008 m3

(b) Shuttering area for Shear wall = L x D x 2 x no.s

= 2.10 x 1.20 x 2 x 2

= 10.08 m2

4. Shear Wall Along Vertical Plane:

L = 1.40m ; B = 0.20m ; H = 1.20 m

(a) Volume of Concrete for Shear wal= area x depth x no. of walls

= L x B x D x no.s

= 1.40 x 0.20 x 1.20 x 2

= 0.672 m3

(b) Shuttering area for Shear wall = L x D x 2 x no.s

= 1.40 x 1.20 x 2 x 2

= 6.72m2

5. Plat‐forms:

L = 0.40m ; B = 0.40m ; H = 0.50 m

(a) Volume of Concrete for Plat‐form = area x depth x no. of plat‐forms

= L x B x D x no.s

= 0.40 x 0.40 x 0.50 x 2

= 0.16 m3

(b) Shuttering area for Plat‐form  = (L + B) x 2 x D x no.s

= (0.40 + 0.40) x 2 0.50 x 2

= 1.60 m2

(i) Total Volume of Concrete for Lift‐Pit = 0.46 + 0.756 + 1.008 + 0.672 + 0.16 = 3.056 m3

(ii) Total Shuttering area for Lift‐Pit = 0.86 + 1.56 + 10.08 + 6.72 + 1.60 = 20.82 m2

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