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17.3 Supply and application of 19mm thick (9.5 mm X 2 layer) water proof, damp proof, dry and breathable plaster on roof slab/ underground water reservoir/ overhead water reservoir/ basement/retaining wall with water proof, damp proof, dry and breathable Izonil cement (STN-EN -1015-11 , compressive strength 34 MPa ,max depth of water penetration into hardened plaster is < 1 mm) or equivalent compound in a proportion of 1:2.4 (Izonil cement or equivalent compound 1: sand 2.4) after cement grouting on existing concrete surface including finishing the corner and edges, washing sand, cleaning the surface scaffolding and curing at least 3 days etc. all completed in all respects as per direction of Engineering-in-charge. Above mentioned plaster includes glass fiber mesh of 10 mm X 10 mm grid and weight 110 gm/sqm placed in between two layers.

Considering 100 sft of work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 Water proof, damp proof, dry & breathable cement STN-EN - 1015-11 , compressive strength 34 MPa), Max depth of water penetration into hardened plaster is < 1 mm (25 kg bag)(Only for plaster work) water proof, dampproof, dry & breathable cement 3.45 bags 1800 per bag 1800 6210
2 Sand (F.M. 1.2) Sand (F.M. 1.2) 3.47 cft 1900 per % cft 19 65.93
3 Sand (F.M. 2.2) Sand (F.M. 2.2) 3.47 cft 5380 per % cft 53.8 186.69
4 Portland Composite Cement ,(CEM-II/B-M 42.5N (42.5MPa) (6-20% constituents other than clinker): 50 kg bag Cement 0.28 bags 410 per bag 410 114.8
5 Glass Fiber Mesh (10mmX10mm grid and weight 110gm/sqm) Glass Fiber Mesh (10mmX10mm grid and weight 110gm/sqm) 105 sft 7.5 per sft 7.5 787.5
6 Head mason / Mosaic head mistry Labour : Head mason 0.25 no 800 per day 800 200
7 Mason / Mosaic mistry Mason 1.1 no 700 per day 700 770
8 Ordinary labour Ordinary labour 1.1 no 550 per day 550 605
9 Hire charge of concrete mixer machine Hire charge of concrete mixer machine 0.1 no 1200 per day 1200 120
10 Ordinary labour Washing of sand, local carriage, scaffolding, curing, & sundries etc. 1 LS 550 per day 300 300
Sub-Total 9359.92
Contractor's Profit 10% 0.1 935.99
Contractor's Overhead Expenses 3.5% 0.035 327.6
Total 10623.51
Add VAT with adjustment factor. 1.08108 7.5% 0.075 861.36
Grand Total 11484.87
Rate per sft 114.85
Rate per sqm 1236.25
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