Maintenence of RWSS to Canacona Const. S.H Urgent rectification work of 20m3 GLR and Improvement of pipeline at RWSS Baddem in VP Cotigao in Canacona Const.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 mts. lead.

Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50 m lead.

All works upto plinth level

20mm plaster with neat finish in cement mortar 1:3 for internal surfaces of the water tank such as one side of conical wall one side of vertical wall one surface of dome complete as per the direction of the Engineer-in- charge.

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge.

Providing and applying one coat of gamma coating or equivalent such as DR. bake krishna conchem asia paints atul limited burger paints expoy primer 50 to 60 microns thick and covering two coats of gamma coating or equivalent such as DR. bake krishna conchem asia paints atul limited burger paints 30microns thick each to new M.S pipes and structural steel or concrete surface including preparing the surface by finishing by solvent de-greasing and de-rusting by applying chemical method and scaffolding is necessary as per manufacture specifications complete in all respects as per the direction of the Engineer- in- charge. in Ground level reservoir.

Providing 40mm (1½)dia G.I. Ladder medium class G.I. Pipe with 20 mm dia G.I. Pipe (medium class) steps 45cm wide place at 30cm c/c welded in the interior of reservoir including painting two coats with non- poisonous red oxide paint etc. complete.

Earth work in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches, drain not exceeding 1.5m in width 10 sq.m on plan including dressing of sides ramming of bottoms for all lead and lift including setting out the excavated soil & disposal of surplus soil with all lead including providing barricading danger lighting guarding as directed by departmental officer in all types strata comprising any of the materials such as soil, silt sand clay gravel moorum of all conglomerated laterite rock, soft rock fissured shattered decomposed rock or weathered rock and all such other materials as described under Appendix A to these specification either in full or in parts as the case may be adopting any approved method of methods as may be convenient or permitted inclusive of chiselling, wedging etc, blasting probhibited in all conglomerates as directed by the Engineer-incharge etc, complete.