1 Earthwork in excavation of foundation trenches, including, layout, by excavating earth to the lines, grades and elevation as shown in the drawing providing center lines, local bench mark pillars, fixing bamboo spikes and marking layout with chalk powder filling basket, caring and disposing of all excavated materials at a safe distance designated by the E-I-C. in all types of soils except rocky, gravelly, slushy or organic soil, leveling, ramming, dressing, and preparing, the base, etc. all complete for an initial excavation depth of 2m and an initial lead not exceeding 20m, including arranging all necessary tools and equipment at work site, etc. complete as per direction of the E-I-C. 2.384 2 sand filling in foundation trenches and inside plinth with sand (minimum FM 0.80) in 150mm layers in/c leveling, watering and consolidating each layer up to finished level etc. all complete as per direction of the E-I-C. Dry density after compaction shall not be less then 95% of MDD (STD). 1.597 3 Single layer brick flat soling with 1st class or picked bricks, true to level, camber/super elevation and grade including carrying bricks, filling the interstices tightly with send of minimum FM 0.80, etc. all complete as per direction of the E-I-C. 3.286 4 75mm thick lean cement concrete(1:3:6) in floor and wherever needed with Portland cement, best quality coarse send (minimum FM1.2) and 20mm down graded picked chips (LAA value not exceeding 40) in/c breaking bricks into chips screening, mixing, laying, compacting, washing of send, curing for requisite period, etc. all complete as per direction of the E-I-C. 4.606 5 25mm thick Damp proof Course (DPC) with cement concrete (1:2:4) in Portland cement, send (minimum FM 1.80) and 10mm down graded 1st class/picked brick chips (LAA value not exceeding 38), in/c casting, compacting, Curing, coal tar/bitumen painting, etc. all complete as per direction of the E-I-C. 0.798 6 Brick work with 1st class bricks in cement mortar (1:6) in foundation) and plinth with portiand composite cement (CEM II/AM, 42.5N) and best quality sand (minimum FM 1.2), fillling the interstices tightly with mortar, raking out joins, cleaning and soaking bricks at least for 24 hours before use, washing of sand, curing for requisite period, etc. all complete as per direction of the E-I-C. 0.336 7 Brick work with 1st class bricks in cement mortar (1:6) in superstructure with portiand composite cement (CEM II/AM,42.5N) and best quality sand (minimum FM1.2), with uniform width and depth joints, true to vertical and horizontal lines, in/c raking out joints, filling interstices tightly with mortar, cleaning and soaking bricks at least for 24 hours before use, washing of sand, necessary scaffolding, curing for requisite period, etc. all complete as per direction of the E-I-C. Ground Floor 18.979 8 125mm brick work with 1st class bricks in cement mortal (1:4) with Portiand Composite cement (CEM II/AM, 42.5N) and best quality sand (minimum FM1.2) and making bond with connected walls with uniform width depth joints, true to verticals and horizontal lines in/c necessary scaffolding, raking out joints, cleaning and soaking the bricks at least for 24 hours before use, washing of sand, curing for requisite period, etc. all complete as per direction of the E-I-C. Ground Floor 0.776 9 RCC:1:1:.5:3, 20MPa, Brick Chips (BC): Reinforced cement concrete works with minimum cement content relates to mix ratio (tentative 1:1.5:3) and maximum water cement. ratio 0.40 having minimum required average strength, f cr = 26 MPa and satisfying a specified compressive strength fc = 20 MPa at 28 days on standard cylinders as per standard practice of Code AASHTO/ ASTM and portiand Composite Cement conforming to BDS EN 197-1 : 2003 CEM-II 42.5N , sand of minimum FM 2.20, 20mm down well graded picked bricks chips (LLA value not exceeding 38) conforming to ASTM C33 and Aggregate Grading Appendix -3 LGED Schedule of Rates and Water reducing chemical admixture of complying type A under ASTM C 494, in/c breaking chips and screening through proper sieves, centering, shuttering in position, making shuttering fully leak proof & shuttering with plain 16 BWG steel sheet fitted over 38mm thick wooden plank panels an d Standard size Bamboo Props suitably braced, placing of reinforcement in position , mixing the aggregates with standard mixer machine with hoper, fed by standard measuring boxes, maintaining allowable slump of 75mm to 100mm, pouring, casting, compacting by mechanical vibrator machine’s and tampered rod and curing at least for 28 days, removing centering-shuttering after approved specified time period, i/c cost of additional testing charges of materials and cylinders required. Excluding the cost of reinforcement and its fabrication, welding, coupling, placing, binding etc. additional quantity of Plasticizer i.e. Water reducing chemical admixture of complying type A under ASTM C494 to reduce mixing water required for normal workability and to maintain low water-cement (W/C) ratio (Doses of admixture to be fixed by the mix design as per instruction of the Engineer) and Portland Composite Cement to be added if required to attain the strength at the contractor’s own cost. etc . all complete as per direction and approval of the Engineer. In roof slab of all types, cantilever slab and drop panels (excluding floor slab of ground floor at plinth level). Below Plinth Level and in Ground Floor 1.09 10 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.e. 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. 251.483 11 supplying fitting and fixing steel door shutter with 18 BWG MS sheet plain plat hinged to RCC columns reinforcement with 38mm×38mm×5mm MS Angle and 25mm×6mm flat bar stiffener etc. all complete as per drawing and direction of E-I-C. 2.000 12 Supplying fitting and fixing sing board/marble stone 1.000 13 Minimum 12mm thick cement plaster (1:4) with Portland Composite cement (CEM II/AM, 42.5N) and best quality sand (minimum FM1.2) to dado, plinth wall up to 150mm below ground level, water tank or any where directed with neat cement finishing in/c washing of sand, racking out joint and picking up cement mortar I/c finishing the edges and corners and curing for the requisite period etc. all complete as per direction of the E-I-C. 18.792 14 Minimum 12mm thick cement plaster (1:6) with Portiand Composite cement (CEM II/AM, 42.5N) and best quality sand (minimum FM1.2) to wall both inner and outer surface, finishing the corner and edges in/c washing of sand cleaning the surface, scaffolding and curing for the requisite period etc. all complete as per direction of the E-I-C . Ground floor . 40.814 15 Minimum 6mm thick cement plaster (1:6) with portiand Composite cement (CEM II/AM, 42.5N) and best quality sand (minimum FM1.2) to celling RCC columns, beams, surface of stair case, sunshades, c cornices, railings, drop wall, louvers, fins and finishing the corners and edges in/c washing of sand deaning the surface, scaffolding and curing for the requisite period etc. all complete as per direction of the E-I-C. Ground Floor 6.253 16 25mm thick artificial patent stone floor (1:2:4) with portiand Composite cement (CEM II/AM, 42.5N), best quality coarse sand (minimum FM1.8) and 10mm down well graded picked bricks chips (LLA value not exceeding 38) in/c breaking graded picked chips, screening, mixing, laying the concrete in alternate panels, compacting and finishing the top with n eat cement, curing etc. all complete as per direction of the E-I-C. 1.048 17 Supplying, fitting and fixing Bangladesh pattern “BISF STANDARD” Long pan (Model-314Emmx 295mmx 285mm, Bowl size-410mmx 225mmx x 170mm or equivalent) with foot rest of vitreous China and preparing the base pan with cement concrete (1:2:4) and wire net or rods including making holes wherever required good the damages, etc. all complete as per direction of the E-I-C White [BISF STANDARD] 6.865 18 Supplying, fitting and fixing Standard Size porcelain soap tray fitted with rowel plug and screw in clouding making holes in walls by drill machine and mending good the damages etc . all complete as per direction of the E-I-C. White (150m mx110mmx40mm size) 2.000 19 Supplying 25mm to 200mm dia (inside) best quality uPVC pipes having specific gravity 1...35-1.45, and other physical, chemical, thermal, fire resistively properties etc. as per BSTI approved manufacturer standard or ASTM, BS/ISO/IS standards fitted and fixed in position with socket head and shoes, bends, clamps and nails etc. all complete as per direction of the E-IC. Minimum inner dia 200mm and minimum wall thickness 5.3mm 1.000 20 Supplying, fitting and fixing 3.66 m long Ventilation pipe with all fittings and specials like 50mm plain bands, tees, 50mm dia cowls etc. including gasket all complete as per direction of the E-I-C. 1.000 21 Construction of masonry inspection pit with 250mm thick brick work in cement mortar (1:4) including necessary earth work side filling and one layer brick flat soling, 75mm thick (1:3:6) base concrete for making invert channel and 12mm thick (1:2) cement plaster with neat finishing up to a depth of 700mm etc. all complete as per direction of the E-I-C. (minimum send F.M 1.2) Clear 450×450 mm and depth 600 to 675mm average 525mm for single 150mm dia R.C.C pipes and 400mm PVC pipe. 1.000 22 Construction and placing of R.C.C Inspection pit cover (100mm thick RCC slab) in (1:2:4) (of item no-5.05.01.01) with 1% reinforcement (of item no-5.06.01.01) excluding M.H cover with locking/ unlocking arrangement including necessary earth work, side filling, shuttering, curing, cement plaster (1:4) (of item no- 5.12.01) with neat finishing on edges and top etc. all complete and as per direction of the E-I-C. 900 × 900 × 75mm R.C.C pit cover 1.000 23 Construction of Septic Tank with brick masonry works in main and partition walls in cement mortar (1:6) as per standard drawing enumerated in Appendix-6 (Typical soak well design) over a single layer brick flat soling and 150mm thick cement concrete flooring (1:2:4), in/c 20mm thick cement plaster (1:4) to inside of walls with neat cement finishing, 25mm thick patent stone (1:2:4) flooring with neat cement finishing including supplying fitting and fixing of two RCC Tees and providing 450mm dia water sealed heavy type C.I.M.H. cover with necessary locking arrangement, 100mm thick RCC (1:2:4) top slab & 125mm thick RCC (1:2:4) wall around inside of the main wall of septic tank with minimum 1% reinforcement including centering, shuttering, fabricating, casting, curing etc. complete up to required depth. The item is inclusive of necessary earth work in excavation and shoring, balling out water and side filling including the cost of all materials operations and incidental charges etc. all complete as per the approved plan and direction of the E-I-C. For 20 users with 2 manhole covers. 1.000