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18.7.4 Supplying, fitting and fixing of Ply board C-section or box type work on wall/Ceiling. Using C-section of 150mm x 200mm x 150mm or any size of thickness 18mm with facing 50mm, in/c substruction of garjan wooden framing (50mm x 38mm @600mm c/c) and screwed, for additional load suppport in/c special made full thread 8mm dia rod fixed to the ceiling or roof or beam by rowel bolt, all complete as per drawing, design and accepted by the Engineer-in-charge. All Garjan wood frames must be protected from termites, cockroach and other insects. 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 : 1'-10"X10'-0" = 18.33 sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 18mm thick Garjan ply board Materials Cost (18mm thick garjan ply board) 1x1'-10" X 10'-0' = 18.33 sft Add 5% wastage= 0.92 sft = 19.25 sft 19.25 sft 110 per sft 110 2117.5
2 Garjan/Jam/local Sal Woodden frame work (Garjan wood ) 48'-0'' x 0'-2" X 0'-1.5'' = 1.00 cft Add 5% wastage= 0.05 cft = 1.05 cft 1.05 cft 2200 per cft 2200 2310
3 Skilled technician (i) Technician/ Acoustic Specialist carpenter 1 no 1200 per day 1200 1200
4 Skilled labour (ii) Helper to Acoustic Specialist carpenter 1 no 600 per day 600 600
5 Scaffolding LS 400
6 Local carriage, sundries in/c loading/unloading- LS 400
Sub-Total 7027.5
Contractor's Profit 10% 0.1 702.75
Contractor's Overhead Expenses 3.5% 0.035 245.96
Total 7976.21
Add VAT with adjustment factor. 1.08108 7.5% 0.075 646.72
Grand Total 8622.93
Rate per sft 470.43
Rate per sqm 5063.71
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