1. Presented by Engr. M. A. Wahed Senior Research Engineer Housing & Building Research Institute Darus-Salam, Mirpur, Dhaka. CYCLONE RESISTANT STILT HOUSES USING PRE-CAST COMPONENTS AT TIDAL-SURGE PRONE COASTAL AREAS OF BANGLADESH

11. Estimated cost Part – A (To be done by HBRI ) In word: Taka one lac twenty six thousand only. Item no. Description of items Quantity Unit Rate (in Taka) Amount (in Taka) 01. Pre-cast R.C.C pocket footing (in/c. supply of m.s. rod, cement, stone chips, sylhet sand, centering, shuttering, rod binding etc.) 4 Nos P.no 600.00 2400.00 02. Pre-stressed pre cast R.C.C tie beam and roof beam (in/c. supply of m.s. rod, cement, stone chips, sylhet sand centering, shuttering, rod binding and casting etc.) a) 5"x7" = 18.00 rm b) 5"x9" size = 18.00 rm C) 5” x 10.5” = 9.00 rm 18.00 rm 18.00 rm 9.00 rm P.rm P.rm P.rm 650.00 850.00 1200.00 11700.00 15300.00 10800.00 03. Pre-stressed pre cast R.C.C column (in/c. supply of m.s. rod, cement, stone chips, sylhet sand centering, shuttering, rod binding and casting etc.) 7 "x7" size 26.00 rm P.r m 900.00 23400.00 04. Pre-cast FC corrugated sheet (In/c. sypply of wire mesh, sylhet sand, mould making etc.) 20 sqm P.sq m 1100.00 22000.00 05. Pre-cast FC channel casting including all materials 14 sqm P.sq m 1600.00 22400.00 06. Jute Hessian, Nails, G.I. wire etc. L.S 5000.00 07. TA/DA L.S 8000.00 Total = 121000.00 contingency charge = 5000.00 Total Tk. = 126000.00

12. Part - B (To be done by Contractor ) In word: Taka seventy one thousand and sixty only. Item no. Description of items Quantity Unit Rate (in Taka) Amount (in Taka) 01. Earth work in excavation 9.00 cum P. cum 100.00 900.00 02. Earth filling in foundation 6.00 cum P. cum 80.00 480.00 03. Sand filling up to plinth 30.00cum P. cum 476.00 14280.00 04. 10" Brick work in foundation and plinth 4.00 cum P.cu m 3000.00 12000.00 05. Brick soling in foundation and floor. 15.00 sqm P.sq m 300.00 4500.00 06. Fitting fixing of pre cast R.C.C pocket footing R.C.C column,R.C.C beam,corrugated sheet etc. L.S 12000.00 07. FC channel lifting, placing, gap filling, rod binding and screeding including all complete 14 sqm P.sq m 600.00 8400.00 08. Loading, Unloading and carrying charge for pre cast elements L.S 9000.00 09. Mango wood 10 cft P.cft 350.00 3500.00 10. Borak Bamboo 10 nos P.no 200.00 2000.00 Total = 67060.00 contingency charge = 4000.00 Total Tk. = 71060.00

13. C – Cladding, door & window A+B+C = ( 126000.00 + 71060.00+71510.00) = 268570.00 In word: Taka two lac sixty eight thousand five hundred and seventy only. Item no. Description of items Quantity Unit Rate (in Taka) Amount (in Taka) 01. 5" Brick work in super structure wall 13.00 sqm P.sqm 2400.00 31200.00 02. ½ " thick wall plaster 105.00 sqm P.sqm 160.00 16800.00 03. Pre-cast R.C.C lintel including sun shade 6.50 rm P.rm 800.00 5200.00 04. White washing to wall and ceiling 102.00 sqm P.sqm 15.00 1530.00 05. Wooden door and window a) Door (size 3’x7’) b) Window (size 3’-4”x4’-0” ) 1 no 3 nos P. no P. no 4000.00 2500.00 4000.00 7500.00 06. Painting to door window frame and shutter 15.00 sqm P.sqm 125.00 1875.00 Total Tk = 68105.00 Add 5% contingency charge. = 3405.00 G. Total = 71510.00