Construction Of Guide Bunds At Manjra River And Nala Intersections (Flood Protection Work At Sai Barrage)- 1 Cleaning cutting thorny shrubs bushes, grass as directed with 15m lead and lift up to 1.5m. 2 Excavationin in Soft Strata including boulders upto 0.6 m diameter (0.113cum) for canal,seating of embankment, filter drains/ catch water drains etc.,and placing the excavated stuff neatly in dump area or for formation of service road / embankment including cost of all materials, machinery, labour, dressing bed and sides to required level and profile etc.Complete with lead up to 1 km and all lifts as directed. 3 Excavation in hard rock of all toughness by breaker including boulders above 0.6 m dia.(0.113Cum) minimising damage to side slopes of excavation and placing the excavated rock neatly in approved dump area including cost of all materials, machinery, labour, levelling bed etc., complete with lead upto 1 km and all lifts as directed . (Specifications Section 2.1) 4 Providing and laying in situ cement concrete of grade M-15 of trap/granite/gneiss/quartzite/graded metal for PCC with or without surface reinforcement /RCC concreting requiring heavy or special type of shuttering for works of gallery,sluice,spillway crest,spillway downstream face,energy dissipating structures,intake structures,training walls,piers,abutments etc.with Batching Plantand Transit mixer with centering,shuttering,scaffolding,placing,compacting,curingetc. complete with all lifts etc.complete as directed. 5 Providing and laying in situ cement concrete of grade M-20 of trap / granite / gneiss / quartzite / graded metal for RCC works of gallery, sluice, spillway crest, spillway downstream face, energy dissipating structures, intake structures, training walls, piers, abutments, slab etc. with Batching Plant and Transit mixer including shuttering and scaffolding, compacting, curing etc. complete with all lifts as directed(A) M-20 (20 MSA) (Cement 6.60 bags/Cum). 6 Providing and laying in situ cement concrete of grade M- 25 of trap / granite / gneiss / quartzite / graded metal for RCC works of gallery, sluice, spillway crest, spillway down stream face, energy dissipating structures, intakestructures,trainingwalls,piers,abutments, slab etc. with Batching Plant and Transit mixer includingcentering,shuttering,scaffolding,placing, compacting, curing etc. complete with all lifts etc. complete as directed.(a) M-25 (20 MSA) (Cement 7.62 bags/Cum) 7 Providing and fixing in position TMT-FE-500 bar reinforcement of various diameters for R.C.C. pilecaps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings ,fins, arches etc.as per detailed designs,drawings and schedules .including cutting ,bending, hooking the bars, binding with wires or tack welding and supporting as required complete as directed. 8 Dewatering by pumping out water collected with Diesel or Electrical pumps including cost of all materials, machinery, labour, providing sump and all other ancillary operations whenever necessary etc. complete under specific and indispensable circumstances with prior approval from competent authority with authentic evidence of records justifying dewatering etc. complete as directed 9 Backfilling the trenches using available material from excavation in layers not exceeding 300 mm, each layer shall be consolidated by watering and ramming without disturbing the pipe line with excavated stuff as directed including breaking of clods of soil etc complete. (The backfilling on the two sides of the pipeline should be carried out simultaneously). 10 Providing U.C.R.masonry in C.M.1:5 in super-structure with lift upto 1.5m. Includingstrikingjoints etc. complete as directedC) For dams and water retaining structures (45% mortar) . 11 Providing and constructing 300 mm thick dry rubble stone pitching with pin headers at 2 per sqm using stones and stone chips from approved source including cost of all materials, labour, hand packing / wedging stone chips, finishing etc.,complete with lead upto 1 km and all lifts.as directed 12 Providing and fixing bituminous pad 25mm thick for expansion joints in retaining wall, compound wall etc. complete 13 Providing and laying weep holes of 100mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete. 14 Providing and fixing canal information board of 1.2 x 0.75 m prepared on 16 gauge M.S. sheet with angle iron frame of size 35 X 35 X 3 mm with cross bracing of size 25 X 25 X 3 mm including painting with one coat of zinc chromate storing primer and two coats each of green/white back ground and back side grey store enamelled bonded with red retro reflective sheet Engineering grade, border / letters / numeral / arrows coated with non pealable crystal clear protective transparent coat retaining 100% reflection including two angle iron post of size 50X50X5 mm of 3.65 m long inflated at bottom drilled on top and painted in white and black bonds of 30 cm with four numbers high strength of G.I. bolts and nuts of size 10 mm dia. and 20 mm long sheet and angle iron post in one piece without joints including all taxes, conveying, fixing in ground with cement concrete in M-15 block of size 60 X 60 X 75 cm as directed by engineer-in-charge.
