(i) 75 mm or 3" thick damp proof course (1:1.5:3) with 50% Sylhet sand (F.M. 2.5) & 50% | ||||||||

local sand (F.M. 1.2) and 1/2 " down brick chips | ||||||||

Considering 100 cft. of work (covering 400 sft. area) | ||||||||

1. | Cost for concrete: | |||||||

(a) | Bricks for chips | 706 | Nos. | @ | 5000 | Per % 0 Nos. | = | 3530 |

(b) | Sand (F.M. 2.5) | 20.75 | cft. | @ | 2200 | Per % cft. | = | 456.5 |

(c) | Sand (F.M 1.2) | 20.75 | cft. | @ | 1300 | Per % cft. | = | 269.75 |

(d) | Cement | 22 | bags | @ | 370 | Per bag. | = | 8140 |

(e) | Breaking chips in/c screening | 83 | cft. | @ | 800 | Per % cft. | = | 664 |

(f) | Curing | L.S. | = | 75 | ||||

(g) | Mixture machine, pump, local carriage, sundries, T & P etc. | L.S. | = | 247.5 | ||||

Total | = | 13382.75 | ||||||

Cost for 100 sft. | = | 3345.69 | ||||||

2. | Labour for casting 100 sft. | |||||||

(i) | Head mason | 0.5 | No. | @ | 350 | each | = | 175 |

(ii) | Mason | 1 | No. | @ | 250 | each | = | 250 |

(iii) | Ordinary labour | 3 | Nos. | @ | 150 | each | = | 450 |

(ix) | Bitumenous coating | 100 | sft. | @ | 650 | Per % sft. | = | 650 |

3. | Cost of wood for side shutter (considering 10" width & 120 rft long wall): | |||||||

2 x 120'-0" x 3" x 1"= | 5 | cft. | ||||||

25 x 1'-3" x 1.5" x 1"= | 0.33 | cft. | ||||||

2 x 25 x 1'-0" x 2" x 1"= | 1.39 | cft. | ||||||

6.72 | cft. | |||||||

Add 5% wastage | 0.34 | cft. | ||||||

= | 7.06 | cft. | @ | 350 | Per cft. | |||

Using 6 times | = | 411.83 | ||||||

4. | Labour for side shutter: | |||||||

2 x 120'-0" x 3" = | 60 | sft. | @ | 7 | Per sft. | = | 420 | |

Total | = | 5702.52 | ||||||

Profit | 0.1 | = | 570.25 | |||||

Overhead | 0.035 | = | 199.59 | |||||

6472.36 | ||||||||

Add VAT with adjustment factor | 1.04712 | 0.045 | = | 304.98 | ||||

Grand total | = | 6777.34 | ||||||

Rate per sft. | = | 67.77 | ||||||

Rate per sqm. | = | 729.48 | ||||||

Say, | 729 | .00 Per sqm. | ||||||

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