Minor Irrigation Department Tender

Excavation for foundation in all kinds of soil by mechnical means including boulders upto 0.6 m diameter ( 0.113 cum ) for dam, barrage, spillway, intake structure and other appurtenant works and placing the excavated soil neatly in dump area or disposing off the same as directed etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Excavation for foundation in soft rock without blasting including boulders upto 0.6 m dia. ( 0.113 cum ) for dam, barrage, spillway, intake structure and other appurtenant works and placing the excavated material neatly in dump area or disposing off the same as directed etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Excavation for foundation in soft rock requiring blasting including boulders upto 0.6 m dia. ( 0.113 cum ) for dam, barrage, spillway, intake structure and other appurtenant works and placing the excavated material neatly in dump area or disposing off the same as directed etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Excavation for foundation in hard rock of all toughness including boulders upto 0.6 m diameter ( 0.113 cum ) by approved controlled blasting methods including control of vibration by use of delay detonators and control of fly rocks by muffling for dam,barrage, spillway, intake structure and other appurtenant structures and placing the excavated rock neatly in approved dump area as directed etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Providing and fixing 25 mm dia 2.75 m long ribbed steel anchor rods with one end split and driven firmly using steel wedge into 1.25 m deep 38 mm dia, hole drilled in bed rock and other end provided with L-bend for embedding in concrete / masonry for spillway and apportunant works including drilling and cleaning hole, filling hole with thick cement slurry, driving anchor rod, cost of all materials, machinery, labour, steel wedge etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

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 including cost of all materials, machinery, labour, formwork, centring, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc., complete for plain concrete works with all lead and lifts. ( Cement content: 240 kg /cum with use of super plasticiser) and as per direction of Engineer in charge of the work.

Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sq mm ) grade cement concrete using 20 mm down size approved, clean, hard, graded aggregates including cost of all materials, machinery, labour, formwork, scaffolding, centring, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc., complete for plain concrete works with all lead and lifts. ( Cement content: 330 kg /cum with use of super plasticiser)and as per direction of Engineer in charge of the work.

Providing, fabricating and placing in position reinforcement steel for RCC structures including cleaning, straightening, cutting, bending, lapping/welding joints wherever required, tying with 1.25 mm dia. soft annealed steel wire, including cost of all materials, machinery, labour etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Providing impervious filling adjucent to masonry/concrete structure and filling trial pits with soil from approved area in layers of 100 to 150 mm and compacting each layer to density control of not less than 95 percent using pneumatic tampers or by vibratory earth rammers including cost of all materials, machinery, labour, picking previous layer, spreading soil in layer, breaking clods, watering etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Providing and constructing 300 mm thick rubble stone pitching/revetment set in CM 1:5 proportion with pin headers at 2 per sqm in including cost of all materials, labour, packing chips and mortar, finishing, curing etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Providing rubble stone/boulder filling behind Abutment/below apron including cost of all materials, labour, Hand packing, finishing top surface etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Providing and constructing 75mm dia PVC weep holes for concrete/ Masonry walls including providing 200x200x200mm size porous concrete blocks made of cement and 20mm down course aggregate in 1:4 proportion including 100mm thick sand backing at the junction of wall and soil backfill, cost of all materials, machinery, labour etc., complete with all lead and lifts and as per direction of Engineer in charge of the work.

Design, fabrication, supply, erection and commissioning of embedded parts consisting of sill beam, wall plates, first stage anchors, anchor girders, anchor bars, trunnion supports etc., with all accessories for outflow regulating automatic gates for barrage/escape including cost of all all materials, labour, machinery, cutting, aligning, anchoring, welding, finishing, cleaning, applying one coat of zinc rich epoxy primer four coats of cold applied coal tar epoxy paint coats of cold applied and coal tar epoxy paint etc., complete as per specifications and approved drawings with all leads and lifts. Weight of 1 set embedded parts in tonnes = 0.046 x ( L^2 x H x h )^0.673, Where ( L ) is length = Clear distance between piers in m. ( H ) is total height of gate in m = FSL - Sill level + 0.20 in m , ( h ) is head of water above sill of gate in m = FRL - Sill level in m and as per direction of Engineer in charge of the work.

Design, fabrication, supply, erection, testing and commissioning of fixed wheel type vertical lift gate consisting of skin plate, vertical and horizontal girders, wheels, stiffeners, lifting brackets, guides shoes, rubber seals etc., with all accessories for barrage including cost of all materials, machinery, labour, cutting, aligning, welding, finishing, cleaning, applying one coat of zinc rich epoxy primer and three coats of cold applied coal tar epoxy paint, seal fixing, etc., complete as per specifications and approved drawings with all lead and lifts. Weight of 1 gate in tonnes = 0.0335 ( L^2 x H x h )^0.716, Where ( L ) is length = Clear distance between piers in m + 1.00 m. ( H ) is total height of gate in m = FRL - Sill level + 0.20 in m, ( h ) is head of water above sill of gate in m = FRL - Sill level in m and as per direction of Engineer in charge of the work.