tender for providing distribution main at melakkarai north 3rd and 4th street in new ward no. 13.; 1 earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 m in narrow trenches having bed width 1.25 m & and below for laying of pipes for water supply in the following type of soils hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil. as directed by departmental officers (twad sor - 2022-23 rate of earth work 1-b pg.no.291) 2 supplying ofthe following pipe and specials including all cost and conveyance of all labour charges and materials charges etc complete as per std specification 3 90 mm pvc pipe 6ksc pipe 4 90 mm pvc bend 6ksc 5 90 mm pvc tee 6ksc 6 90 mm pvc coupler 6ksc 7 90 mm pvc mta 8 90 mm pvc end cap 9 100 mm sluice valve 10 100 mm gi flange set 11 100 mm rubber sheet 12 110 mm x 90mm pvc reducer tee 13 solvent cement 14 lowering pvc / dwsc rigid pipes and specials to trench and laying to proper grade and alignment, jointing with pvc couplers with cement paste.(twadsor - 2022-23 rates for works -item no – 11-b pg.no.268) 15 90mm to 110mm dia (od )pvc pipe 16 testing of pvc pipes with hydraulic testing equipment by filling with water and testing to recommended pressure in convenient stretches and attending the bursts if any occurred during the test.(twadsor - rates for works -item no – 11-e) 17 upto 100 mm pvc (od )pipe 18 refilling the excavated earth including all cost of labour charges etc complete as per std specification (twad sor 2022-23 rate for 19(b) pg. no. 286) 19 linking and jointing the proposed pipe line with existing pipe line including all albour charges etc complete as per std specification( local rate ) 20 fixing ofsluice/ non return / air valve with pipe line including all labour chargesetc complete as per std specification( local rate )