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18.7.3.4 Supplying, fitting and fixing of 20mm thick Mineral Fiber Acoustic ceiling, (drop/ plain/ straight/ curve) (Made in China/Malaysia/Thailand/India or equivalent quality product) with high grade mineral wool, surface finish with white ultra vinyl latex paint, surface treatment-film coating, anti-fungal & anti bacterial humidity resistant greater than 90%, light reflectivity more than 90%, NRC value 0.90 -1.00, medium density, size of board: 600mm x 600mm, fire rating B1 standard, framing with 600mm x 600 mm grid suspended from ceiling using T-Grid, Wall angle, Main runner, 38mm carrier bracket, adjustable hanger hook, thread rod, anchor, screw, nut, connector, sleeve anchor, suspension bracket etc. all complete as per drawing architectural and acoustic design (NRC 0.9-1.0) and accepted by the Engineer-in-charge. Measurement will be taken as per finished surface area. The brick/ RCC surface shall be dry and damp-proof.(This item is for acoustic work in auditorium, Hall Room, Seminar Room etc.) (Rate is excluding cost of polish/ paint etc. of any type).

Considering : 10'-0"X10'-0" = 100 sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 20mm thick Auditorium Mineral Fiber Acoustic ceiling board(Asian standard) 20mm thick Mineral Fiber Acoustic ceiling board 10'-0" X 10'-0' = 100.00 sft Add 5% wastage= 5.00 sft = 105.00 sft 105 sft 300 per sft 300 31500
2 T-section (main T) for false ceiling(Anodized at any colour) Main Runner (38x24x0.50x3000mm) 50 rft, 5% wastage 52.5 rft 28 per foot 28 1470
3 T-section (cross T) for false ceiling(Anodized at any colour) Short cross Tee (26x24x0.50x600mm), 50 rft, 5% wastage 52.5 rft 24 per foot 24 1260
4 L-section for wall and ceiling(Anodized at any colour) Angle or L-section(22x22x0.50x3000mm): 4 x 10'- 0"= 40rft 40 rft 23 per foot 23 920
5 Butterfly hanger Butterfly hanger L600mm x 12 nos, 12 nos 43.5 per foot 43.5 522
6 Skilled technician (i) Technician/ Acoustic Specialist carpenter 4.25 nos 1200 per day 1200 5100
7 Skilled labour (ii) Helper to Acoustic Specialist carpenter 8.5 nos 600 per day 600 5100
8 Scaffolding LS 400
9 Scaffolding LS 700
Sub-Total 46972
Contractor's Profit 10% 0.1 4697.2
Contractor's Overhead Expenses 3.5% 0.035 1644.02
Total 53313.22
Add VAT with adjustment factor. 1.08108 7.5% 0.075 4322.69
Grand Total 57635.91
Rate per sft 576.36
Rate per sqm 6203.94
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