Rectification Works of 2 nos Small Water Supply Schemes Under Package-1 of Mariyapuram Grama Panchayath in Idukki District

APPENDIX 1-NAVADHARA WSS

12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

White washing with lime to give an even shade:New work (three or more coats)

Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm)

Name Board as per direction o Engineer

water quality

100.1.1 Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of

100.9.5 Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 50 mm nominal outside diameter pipes.

100.98.151 Supply of HDPE Pipe PE 100 (IS 4984/1995), 10kg, 50mm Outer Dia.

4.1.2 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

100.59.1 Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffic diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation.

18.19.4.2 Providing and fixing gun metal non-return valve of approved quality (screwed end): 50 mm nominal boreVertical

Supply of HDPE Pipe PE 100 (IS 4984/1995), 12.5kg, 50mm Outer Dia.

Supply and Installation of pump and accessories including trial run all cost of labour charges conveyence etc

18.14 Fixing water meter and stop cock in G.I. pipe line including cutting and threading the pipe and making long screws etc. complete ( cost of water meter and stop cock to be paid separately)

18.17.1 Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :25 mm nominal bore

18.17.3 Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :40 mm nominal bore

18.17.4 Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :50 mm nominal bore

18.16.1 Providing and fixing brass stop cock of approved quality :15 mm nominal bore

Providing and fixing Water Meter, Indian Standard, Class B, Multijet, 15mm ( 1/2 inch ) including conveyance and fittting charges as per engineer in site.

APPENDIX 2- JEEVADHARA WSS

Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.0.63 mm thick with zinc coating not less than 275 gm/m2

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Hot finished welded type tubes

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3graded stone aggregate 20 mm nominal size derived from natural sources)

Water quality

Reservoir - 13.1.2 12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand).

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

13.44.1 Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm)

Name Board as per direction o Engineer