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CONCRETE WORKS

Table I (Concrete Proportion)

CONCRETE HOLLOW BLOCKS (CHB)

Table 2 (Quantity of Cement and Sand for CHB Mortar per sq.mts.))

Size of

CHB(cms.)

Number

per sq.mts.

Cement in Bags Sand

InCu.mts.

40 Kg (Mixture) 50 kg (Mixture)B C D B C D

10x20x40 12.5 0.525 0.394 0.328 0.416 0.306 0.263 0.0437515x20x40 12.5 1.013 0.759 0.633 0.802 0.591 0.506 0.08438

20x20x40 12.5 1.5 1.125 0.938 1.188 0.875 0.75 0.125

Table 3 (Quantity of Cement and Sand for Plastering per sq.mts.,- thickness at 16mm)

Class Mixture Cement in Bags SandCu.mts.

40 kgs. 50 kgs.

A 0.288 0.232 0.016B 0.192 0.152 0.016

C 0.144 0.112 0.016D 0.120 0.096 0.016

Table 4 (Quantity of Cement and Sand for CHB Mortar per 100 CHB Mortar)

Size ofCHB

(cms.)

Numberper sq.

mts.

Cement in Bags SandIn

Cu.mts.40 Kg (Mixture) 50 kg (Mixture)

B C D B C D

10x20x40 12.5 4.200 3.152 2.624 3.328 2.448 2.104 0.350

15x20x40 12.5 8.104 6.072 5.064 6.416 4.728 4.048 0.675

20x20x40 12.5 12.000 9.000 7.504 9.504 7.000 6.000 1.000

Table 5 (Quantity of Cement and Sand for Plastering per 100 CHB,- thickness at 16mm)No. of Face

to beplastered

Cement in Bags SandCu.mts.

40 kgs.Mixture

50 kgs.Mixture

A B C A B C

One Face 2.304 1.536 1.152 1.856 1.216 0.896 0.128

Two Faces 4.608 3.072 2.304 3.712 2.432 1.792 0.256

Mixture Cement (bags/cu.m.) SandCu.m.

GravelCu.m.

40 kg/bag 50 kg/bagAA 1:1 :3 12.0 9.5 0.50 1.0

A 1: 2 : 4 9.0 7.0 0.50 1.0B 1: 2 :5 7.5 6.0 0.50 1.0

C 1: 3 : 6 6.0 5.0 0.50 1.0

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Table 6 (Kgs of No. 16 Tie Wire for CHB)

VerticalSpacing(in mts)

HorizontalSpacing

(in layers)

KiloGrams per 100 Blocks

25 cms. Tie 30 cms Tie

0.40 2 0.0042 0.0051

0.40 3 0.0031 0.00380.40 4 0.0028 0.0033

0.60 2 0.0028 0.00340.60 3 0.0021 0.0025

0.60 4 0.0018 0.0022

0.80 2 0.0021 0.0025

0.80 3 0.0016 0.00190.80 4 0.0014 0.0017

Table 7 (Standard Weight in KiloGrams of Plain or Deformed Round Steel Bars)SIZE 5.0 m 6.0 m 7.5 m 9.0 m 10.5 m 12.0 m 13.5 m

8 mm 1.98 2.37 2.96 3.56 4.15 4.74 5.3310 mm 3.08 3.70 4.82 5.54 6.47 7.39 8.32

12 mm 4.44 5.33 6.66 7.99 9.32 10.66 11.99

13 mm 5.21 6.25 7.83 9.38 10.94 12.5 14.07

16 mm 7.9 9.47 11.84 14.21 16.58 18.95 21.3220 mm 12.33 14.80 18.50 22.19 25.89 29.59 33.29

25 mm 19.27 23.12 28.90 34.68 40.46 46.24 52.0228 mm 24.17 29.00` 36.25 43.50 50.75 58.00 65.25

30 mm 27.75 33.29 41.82 49.94 58.26 66.59 74.9132 mm 31.57 37.88 47.35 56.82 66.29 75.76 85.23

36 mm 39.96 47.95 59.93 71.92 83.91 95.89 107.88

ROOFING

Table 8 (Effective Covering of Corrugated G.I. Sheets, No. of Nails and Rivets perSheet and Spacing of Purlins)

Length in Effective Width Covering(Side Lapping)

Distance ofPurlins(mts)

No. ofNails or

Rivets perSheet

Feet Mts. 1 Corr. 2 Corr.

6 1.80 0.70 0.60 0.75 14

7 2.10 0.70 0.60 0.60 18

8 2.40 0.70 0.60 0.70 189 2.70 0.70 0.60 0.60 2210 3.00 0.70 0.60 0.67 22

12 3.60 0.70 0.60 0.66 26

Table 9 (Quantity of Roof Accessories in Kilos)Materials Number of Pieces per Kilos

G.I Roofing Nails 120

G.I. Rivets 180

G.I Washers 126Lead Washers 75

Umbrella Nails 120

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TILEWORKS

Table 9 (Size & Quantity of Ceramic Tiles per Square Meters)

Classifications Size No of Pcs. Per

Sq. Ft. Sq. Mts.

Mosaic Tiles 12 x 12 1.000 10.76Vetrified Tiles 3 x 3 16.00 177.78

Glazed & UnglazedTiles

4 x 44 x 4

6 x 68 x 8

9.0007.9704.0002.250

100.0085.7344.4424.21

Hexagonal Tiles 2 x 23 x 3

4 x 4

44.59017.6508.825

480.00190.0095.00

5 Point Hexagonal 2 6.096 20 per mtr.

4 Point Hexagonal 2 4.884 16 per mtr.

Miscellaneous

1. White Cement Filler Mortar 1 Kilo per square meter2. Portland Cement Paste - 0.076 bags per square meter

HARDWARES

Table 10 (Common Wire Nails CWN)

Size Gauge

No.

Length Approx. No.

per Kilo

Per Keg

Inches mm

2d 15 1 25 1,831 82,4003d 14 1 31 1,177 53,000

4d 12.5 1 37 666 30,0005d 12.5 1 44 580 26,100

6d 11.5 2 50 382 17,200

7d 11.5 2 56 344 15,500

8d 10.25 2 63 208 9,4009d 10.25 2 69 188 8,500

10d 9 3 75 138 6,25012d 9 3 81 124 5,600

16d 8 3 88 93 4,20020d 6 4 100 58 2,625

40d 4 5 112 45 2,04050d 3 5 125 34 1,540

60d 2 6 150 20 910

Note :1 keg = 45 kilos