kothiyada gawan water supply scheme construction of feeder main cwr and other appurtenance works under gawana kothiyada water supply scheme phase 2 including confirmatory survey design supply of all materials labour testing and commissioning of the scheme complete with 03 month-providing, supply and carting, laying jointing fixing and testing of g.i. screwed pipe with specials in trenched ( including cost of jointing materials like white lead, hemp and oil etc. ) testing of pipe ( medium quality ) including cutting and threading etc. complete. 2 ( a ) 15mm dia 3 ( b ) 20 mm dia 4 ( c ) 25mm dia 5 ( d ) 40mm dia 6 ( e ) 50mm dia 7 dismantling of pipe line including cleaning of pipe properly and stacking. 8 ( a ) 50mm dia 9 carting, laying jointing fixing and testing of g.i. screwed pipe with specials in trenched ( including cost of jointing materials like white lead, hemp and oil etc. ) testing of pipe ( medium quality ) including cutting and threading etc. complete. 10 ( a ) 50mm dia 11 excavation of earth for pipe line in trenches with lift up to 1.50 m. & lead up to 30 m. including refilling, watering, ramming, of excavated earth into the trenches and removal of surplus and removal of surplus earth up to a distance of 60 m. form trenches including supply of labour, t&p etc. all complete ( assuming that 90% pipe line is laid in trenches. it is estimated that 75% excavation will be in soil mixed with shingle bajri & boulders and 25% will be in medium rocks ) . 12 ( a ) soil mixed with boulders and bajri. 13 ( b ) medium rocks 14 supply and fixing of the following fittings including cartage of materials, labour, t&p etc. complete :- wheel valve ( class-i ) as per is :788 / 1971 15 ( a ) 50mm dia. 16 p.c.c.1:4:8 includingall material labour t&p etc on rr, drain works, pipeline works 17 protection works of the above items as per site requirement r.r. 1:6 stone masonary 18 rr laid dry stone masonary 19 supply of all materials, labour & t&p etc. and construct the following works as per type design and drawings complete :- 20 ( a ) single intack chamber 21 ( b ) scc cum r / f as per type design 22 supply and fixing of frp coated ms bucket type chlorinator of 25 liters capacity with chlorination arrangements. 23 providing and fixing c.p. brass bib cock of approved quality confirming to is 8931: 15mm nom. dia. 24 providing and fixing brass ferrule 15mm dia. with c.i mouth cover including boring and tapping the mains. 25 sign board of 8 ft x 6 ft is to be erected at a conspicuous location giving all the below relevant details of the scheme as per jjm guidelines :- jjm logo , total cost of scheme , implementing agency / vendor name , contacts of executive engineer & junior engineer , contacts of paani samiti chairperson and secretary , commencement & completion date.