Tender For Rate Contract For Construction And Repairing Of Road And Drain At Various Places In Wn 31 To 40; 1 Item Rate Contract for Construction and repairing of road and drain at various places in wn 31 to 40 2 Dismantling of existing structures like culverts, bridges, retainingwalls, CC road and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffoldingwherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with alllifts and lead of 50 metres as directed by Engineer.Cement Concrete Grade M-15 and above and PCC blocks 3 Earth work in excavation in foundation, trenches etc. including dressing of sides and ramming of bottoms, including getting out the excavated material, refilling after laying pipe/ foundation and disposal of surplus excavated material at a lead upto 50m suitable site as per direction of Engineer for following depths, below natural ground / Road top level.In all types soils/ saturated soil such as moorum, sand, sandy silt, clay, black cotton soil, kankar, etc.Depth upto 1.5 m 4 Dressing of earth work in surface excavation including cutting and filling upto 30cm depth including disposal of excavated earth upto 50m and lift upto 1.5 m. 5 Providing, laying and spreading of granular sub-base by providing coarse graded Material (Table 400-2), spreading in uniform layers with motor grader on prepared surface, mixing BY MIX IN PLACE METHOD with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per MoRT&H specification clause - 401 including all material, labour, machinery, lighting, guarding and maintenance of diversion. 6 Providing laying, spreading and compacting stone aggregates of specific sizes as per Table 400-7 to Water Bound Macadam specification including spreading in uniform thickness; hand packing,camber, applying and brooming requisite type of screening (Table 400-8) binding materials to fill up the interstices of coarse aggregates, watering (with water browser) and compacting to required density, making necessary earthen bund to protect edges as per clause 404 of MoRT&H specification including all material, labour, machinery, lighting, guarding and maintenance of diversion complete.Crusher broken - Grade-II (63-45mm) 7 Carriage of Materials by mechanical transport including loading, unloading andstacking ::Stone, boulders, gravelly material(Taken Lead UP to 2kms) 8 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. 9 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.100mm thick 10 Providing and laying un-reinforced, plain cement concrete mix with Concrete Mixer & vibrator pavement over a prepared sub base with 43 grade cement , coarse and fine aggregate conforming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed as per approved mix design, laid, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints etc including all material, labour, machinery, lighting, guarding and maintenance of diversion.PCC M-20 11 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 12 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 13 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 1500x600mm (125mm thick) for span 701 to 1200mm 14 Structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 15 Raising circular inspection chamber with circular cover 450mm dia and frame slab to required level including dismantling existing slab, taking out the existing CI frame & cover of inspection chamber and raising it upto ground/ road level, refixing of frame and cover in M15 (1:2:4) concrete all around the frame, including making good the damage, form work, curing, complete as directed by Engineer. (Brick/ concrete work of raising depth of manhole to be paid separately) 16 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. 17 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) 18 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 19 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) 20 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
