Tender For Construction Of Drain And Repairing Work In Wn 51. - Earth work in excavation for roadway, including trimming bottom and side slopes in accordance with requirement of line, grades and cross sections, including disposal of surplus material with all lift and lead upto 1000 metre as per MoRT&H specification clause 301.In all type of soil 3 Carriage of Materials by mechanical transport including loading, unloading and stacking ::Stone, boulders, gravelly material(Taken Lead UP to 2kms) 4 Providing and laying lean cement concrete 1:4:8 in Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in concrete mixer, laid manually, compacted with surface vibrator, finishing and curing complete as per clause 601, 112 of MoRT&H specification including all material, labour, machinery, lighting, guarding and maintenance of diversion. 5 Providing and fixing of precast concrete interlocking tiles of desired shape of M 30 grade manufactured from fully computerized automatic stationery hydraulic vibrio pressed machine and fully computerized automatic batching plant of class A1/A2 as per BS 6717:2001. The CC interlocking paving blocks be laid on average 50mm. thick bed of coarse sand and the joint is to be filled with fine sand. Laying procedure on compacted sub-base as defined. Complete job is to be executed as per the instruction of Engineer in-charge. The rates to be inclusive of all lead & Lifts etc. complete as per specifications. Tensile splitting strength, abrasion and braking load etc. as per BS 6717:2001, Grey cement.80mm thick 6 Providing and fixing of reinforced Ferro-Cement drain covers designed for AA class loading duly marked on cover with adequate steel reinforcement having thickness 75mm to 150mm anti corrosivebitumen painted M.S. plate , Rim and M.S. lifting hooks, Admixtures like plasticizer, bond improving compound, shrinkage, resistancecompound, abrasion resistant complete as per approved design etc. Standard Size 600x800mm (75mm thick) for span 300 to 450mm 7 Providing and fixing of reinforced Ferro-Cement drain covers designed for AA class loading duly marked on cover with adequate steel reinforcement having thickness 75mm to 150mm anti corrosivebitumen painted M.S. plate , Rim and M.S. lifting hooks, Admixtures like plasticizer, bond improving compound, shrinkage, resistancecompound, abrasion resistant complete as per approved design etc. Standard Size 1000x800mm (100mm thick) for span 451 to 700mm 8 Providing at site, lowering & laying in trenches, aligning & jointing of RCC pipes NP4 class (with s/s ends) IS: 458 - 2003 (amended up to date) marked and pipes from 300 mm and upto 1800 mmmanufactured through vertical casting process at all depths with Rubber gaskets (EPDM/SBR) for sewer lines as per IS: 5382(including cost of Rubber gaskets, lubricants) as per drawing,sectional hydro testing of the sewer pipe line (including cost andconveyance of water to site for testing) etc., complete as per specification and / or as directed by Engineer.Note : E/w to be measured and paid separately 300 mm internal diameter 9 Raising precast circular manhole cover and frame by taking out existing precast frame and cover, providing and fixing precast SFRC circular spacer of required height, re-fixing existing manhole cover frame and cover with cement sand mortar (1:3), including making good the damage, complete as directed by Engineer. 10 Steel work welded in built up sections/ framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. 11 Providing and laying in position cement concrete of specified gradeexcluding the cost of centring and shuttering - All work upto plinthlevel : 1:5:10 (1 cement : 5 fine/ coarse sand : 10 graded stone aggregate40 mm nominal size) 12 Centring and shuttering with plywood or steel sheet upto two storiesor height upto 7.5 metre above plinth level including strutting,propping etc. and removal of form for :Foundations, footings, bases of columns, etc. for mass concrete 13 Providing and laying in position cement concrete of specified gradeexcluding the cost of centring and shuttering - All work upto plinthlevel :1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mmnominal size) 14 Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded20mm nominal size stone aggregate) finished with a floating coat of neat cement including cement slurry, but excluding the cost ofnosing of steps etc. complete. 40mm thick
