Rate analysis for II class B.B.
masonry in C.M. (1:6) using standard brick size 19 cm x 19 cm x 9 cm joint
thickness for IInd calls B.B. masonry-10mm.
Therefor, Material required :
for 10 cu.m. work
Bricks (15% wastage)
= (1.05 x 10 / 20 x 10 x 10) x
106
= 525 Nos.
Mortar required (wet)
= 10 – 5250 (o.19 x .09 x .09)
= 10 – 8.079 cu.m.
= 1.92 cu.m.
Dry mortar required
= 1.3 x 1.92
= 2.49 say 2.5 cu.m.
Therefor,
Cement required
= (2.5/1+6) x 1
= 0.357 cu.m.
= 0.357 x 30
= 10.7 bags say 11 bags
Sand required
= 0.357 x 6
= 2.142 cu.m.
Material cost:
|
||
Bricks
|
5250 x (500/1000)
|
2625 = 00
|
Cement
|
10.7 x 68/-
|
727 = 00
|
Sand
|
2.142 x 25/-
|
53 =
55
|
Total
|
3406 = 15
|
|
Labour cost:
|
||
Head mason
|
½ no. x 60/-
|
30 = 00
|
Mason
|
10 Nos. x 45/-
|
450 = 00
|
Mazdoor (Beldar)
|
7 Nos. x 18/-
|
126 = 00
|
Boy coolie
|
10 Nos x 12/-
|
120 = 00
|
Bhisthi
|
2 Nos 18/-
|
36 = 00
|
scaffoloding
|
Lumpsum 30/-
|
30 = 00
|
Sundries, T and P etc.
|
Lumpsum 6/-
|
6 = 00
|
Total
|
798 = 00
|
|
add 1 ½” water charger
total Rs. 4204.15
63.06
Rs. 4267.21
Add 10% contractors profit i.e.
426.72
Therefor, Total rate = Rs.
4693.93.
Therefor cost per m3
= (4693.93/10)
= 469.40 per m3
){kind=link}