1 Supplying and fitting marble stone name plate 1.00 2 Supplying and fitting jumnut check valve 1.00 3 Boring by using 100mm dia cutter and 38 mm dia GI pipe and other equipment capable of drilling up to a depth of 500m by water jet system through all sorts of strata, protection of caving by supplying necessary casing pipe, collection of soil and preserve them for analysis, withdrawal of boring pipes & casing pipes etc. all complete as per specification and direction of the E-I-C. From 0.0m to 50m = 50m 1.00 4 Boring by using 100mm dia cutter and 38 mm dia GI pipe and other equipment capable of drilling up to a depth of 500m by water jet system through all sorts of strata, protection of caving by supplying necessary casing pipe, collection of soil and preserve them for analysis, withdrawal of boring pipes & casing pipes etc. all complete as per specification and direction of the E-I-C. From 50m to 100m = 50m 1.00 5 Supplying and lowing 38mm dia water grade PVC pipe having wall thickness 2.5m to 3.0mm (D’ class Aziz pipe/equivalent) PVC sand trap of length 3.0m with cap, PVC strainer of desired slot installing at the middle of the most suitable water bearing strata. 38mm dia GI pipe of the best quality of length 1.52m with MS welded flat bar on each side to prevent from rotation up to the desired depth, fitting fixing the hand pump No. 6 etc. including the cost of solvent cement, socket adapter, filling medium sand up to 18.0m above strainer and the remaining portion with available soil from boring etc. all complete as per standard specification and direction of the E-I-C. Hand pump no. 6 complete set (EPL/RFL) (Medium)/ equivalent brand) 1.00 6 Supplying and lowing 38mm dia water grade PVC pipe having wall thickness 2.5m to 3.0mm (D’ class Aziz pipe/equivalent) PVC sand trap of length 3.0m with cap, PVC strainer of desired slot installing at the middle of the most suitable water bearing strata. 38mm dia GI pipe of the best quality of length 1.52m with MS welded flat bar on each side to prevent from rotation up to the desired depth, fitting fixing the hand pump No. 6 etc. including the cost of solvent cement, socket adapter, filling medium sand up to 18.0m above strainer and the remaining portion with available soil from boring etc. all complete as per standard specification and direction of the E-I-C. 38mm dia water graded PVC pipe having thickness 2.5-3.00mm (D’ class Aziz brand/equivalent) pipe and trap 41.00 7 Supplying and lowing 38mm dia water grade PVC pipe having wall thickness 2.5m to 3.0mm (D’ class Aziz pipe/equivalent) PVC sand trap of length 3.0m with cap, PVC strainer of desired slot installing at the middle of the most suitable water bearing strata. 38mm dia GI pipe of the best quality of length 1.52m with MS welded flat bar on each side to prevent from rotation up to the desired depth, fitting fixing the hand pump No. 6 etc. including the cost of solvent cement, socket adapter, filling medium sand up to 18.0m above strainer and the remaining portion with available soil from boring etc. all complete as per standard specification and direction of the E-I-C. 38mm dia water graded PVC strainer having thickness 2.5-3.00mm (D’ class Aziz brand/equivalent) of recommended slot size. 6.100 8 supplying tube well fixtures at working site as per standard practice etc. all complete as per standard specification and direction of the E-I-C. Best quality 50mm×125mm PVC Reducer 1.000 9 supplying tube well fixtures at working site as per standard practice etc. all complete as per standard specification and direction of the E-I-C. 100mm dia water graded PVC blank pipe/send trap having well thickness4.5mm to 5.2mm (C’ class Aziz brand/equivalent) 31.000 10 Construction of platform of size 1.4×1.0m as per drawing with 75mm thick Cement Concrete (1:2:4) over a layer of brick flat soling and providing 125mm×75mm brick band all around in/c finished with 12mm thick cement plaster (1:4) with neat cement finishing, providing outlet drain up to 1m long, etc. all complete as per direction of the E-I-C. 1.000 11 supplying and fabrication of M.S high strength Ribbed or deformed bar reinforcement conforming to BDS ISO 6935-2:2006 (for standard subsequently released from BSTI) of required size and length for all types of RCC work including straightening removing ruts, cleaning cutting, hooking, bending, binding or tieing with supply of 22 B.W.G. annealed binding wire double fold, placing in position in/c lapping, or welding wherever required as directed anchoring to the adjoining members wherever necessary, spacing and securing them in position by proper size concrete cover blocks (1:1) supports, metal chairs, spacers, splices or laps etc. complete in/c cost of materials, labour, local handing, cost including necessary equipment and machinery, loading and unloading, transportation, all other necessary incidental charges including all leads and lifts etc. to complete the work as per specifications, design, drawing and direction of the E-I-C. (Undersize reinforcement will not be accepted under any circumstance. Measurement will be made based as length of bar on standard weight I,c. 77kn/m3(BNBC Table 6.2.1) basis Chairs, laps, Splice and separators will not be measures for payment. The cost of these remains inclusive in the unit rate. RB 300: Ribbed bar or deformed bar produced and marked as per BDS ISO 6935-2:2006 with minimum yield strength, fy(ReH)=300MPa, but the actual yield strength based on mill tests dose not exceed fy by more than 125MPa and the ratio of actual ultimate strength, fu(Re) to to actual tensile yield strength (fy) shall be a least 1.25 and minimum elongation after fracture (A565) & minimum total elongation and maximum force (Agt) is 17% and 2.5% respectively. 12 Supplying fitting and fixing GI pipe conforming to the standard BS-1387 &BDS-1031, having comical position (in%) carbon 0.17-0.25, manganese 0.95-1.20,Sulphur 0.060 max, Phosphorus 0.060 max, Tensile properties : minimum yield Strength 188MPa, minimum Tensile Strength 313 MPa and marking for a) Manufacture; b) Materials; c) Wall thickness; d) Normal outside dia; e) Intendance use etc. on the body of the pipe as per British standard BS-729 having 80 micron galvanization and hydrostatic test pressure 50kg/cm2 (710 psi) with all general special fittings such as bends, elbows, sockets, reducing sockets, tees, unions, jam-nuts etc. including cutting trenches where necessary and fitting the same with earth duly rammed and fixing in walls with holder bat sand and making holes in floors and walls and mending good the damages etc. all complete in all respects as per direction of the E-I-C. (Pipe manufactured by National Tubes Limited under Steel & Engineering Corporation, Ministry of Industries, Government of Bangladesh shall be given priority) 100mm dia GI pipe wall thickness 5mm