O & M

IRR-CCDW-1-2 Earth work in excavation in all kinds of soils of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

IRR-CCDW-2-5 Providing and laying insitu vibrated M-10 ( 28 days cube compressive strength not less than 10 N / sq mm) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates for foundation filling including cost of all materials, machinery, labour, formwork, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc., complete with initial lead upto 50 m and all lifts. (Cement content: 220 kg / cum with use of super plasticiser(0.4% by wt. of cement), CA : 0.90cum, Blending Ratio of CA--50:30:20, FA : 0.40 cum)

IRR-CCDW-2-9 Providing and laying insitu vibrated M-15 ( 28 days cube compressive strength not less than 15 N / sq mm ) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates for sub-structure / super- structure works including cost of all materials, machinery, labour, formwork, scaffolding, cleaning, batching, mixing, placing in position,levelling, vibrating, finishing, curing etc., complete with initial lead upto 50 m and all lifts. (Cement content: 280 kg / cum with use of super plasticiser(0.4% by wt. of cement),CA : 0.90cum, Blending Ratio of CA--50:30:20, FA : 0.40 cum)

IRR-PMW-3-17 Providing homogeneous embankment using soil from approved borrow area in layers of 25 to 30 cm before compaction including cost of all materials, machinery, labour, all operations such as compacting to density control of not less than 90 percent or as stipulated using 2T roller etc., complete with initial lead upto 1 km and all lifts.

IRR-CAW-7-5 Providing, fabricating and placing in position reinforcement steel bars for RCC works including cleaning, straightening, cutting, bending, hooking, lapping, welding wherever required,tying with1.25 mm dia soft annealed steel wire, including cost of all materials, machinery, labour etc., complete with initial lead upto 50 and all lifts.

IRR CAW-1-1 Excavation in all kinds of soil including boulders upto 0.3 m diameter for canal, seating of embankment, filter drains / catch water drains etc., including dressing bed and sides to required level and profile, cost of all materials, machinery, labour, placing the excavated soil neatly in dump area or for the formation of service road / embankment as directed etc., complete with initial lead upto 1 km and all lifts.

IRR-GAW-2-13 OT sluice EM Parts: As per the Guide lines of Chief Engineer,Central Designs of organiastion, Hyderabad Specification drawing for Krishna Delta system Fabrication, supply, erection, testing and commissioning of sill beam,slide tracks,seal seats,guide plates etc with all accessories including cost of material,machinery,labour etc complte as per specification of drawings and approved drawings(Excluding wastage of steel @ 2.5%)

IRR-GAW-2-14 OT Sluice Gate: Fabrication, supply, erection, testing and commissioning of Skin plate,Horizontal and vertical angles , stiffeners, rubber seals ,clamps with all accessories for sluice shutters including cost of all materials, machinery, labour, seal fixing etc complete as per specification of drawings and approved drawings (Excluding wastage of [email protected]%)

IRR-GAW-2-12 OT Sluice Hoist & Hoist Bridge Gear Hoist Including Platform for Below 5 Tons Capacity(SmallGates): Fabrication, supply, erection, testing and commissioning of Embedded Parts consisting of Supporting Strucure and Platform etc with all accessories for sluice shutters including cost of all material, machinery,labour, cutting, bending, aligning, anchoring,welding, finishing etc complte as per specification of drawings (Excluding wastage of [email protected]%)

IRR-GAW-4-1 EM PARTS and Gates:Surface cleaning of metal surface by chemica cleaners and then by hand and power tool cleaners and removing dust. After cleaning, applying primary coat with one coat of protective mastic to a thickness of 70+5 microns, followed by finishing two coats with solventless coal tar epoxy each coat with a DFT of 150+5 and the total DFT of all coats including primary coat should not be less than 350 microns with material, labour and all accessories with all leads and lifts.

IRR-GAW-4-2 HOIST & HOIST BRIDGE : Painting of Sluices for Maintenance works: Surface cleaning of metal surfaces by chemical cleaners and then by hand and power tool cleaners and removing dust. After cleaning, applying primary coat with two coat of Zinc Chromite Red oxide primer followed by finishing three coats with synthetic enamel paint with material labour and all accessories with all leads and lifts.