tender for providing distribution main at kariya nayanar street in new ward no.32; 1 earthwork excavating and depositing on bank with initial lead of 10m&initial lift of 2m in narrow trenches having bed width 1.25m & 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, stoneyy earth and earth mixed with small size boulders and hard gravelly soil as directed by departmental officers ( twad sor-2022-23 rate of earthwork 1-b pg.no.291 ) 2 supplying pvc pipes and spls including all cost and conveyance and labour charges etc complete as per std specification 3 90mm pvc pipe 4ksc pipe 4 90mm pvc elbow 4ksc 5 90mm pvc coupler 4ksc 6 90mm pvc tee 4ksc 7 90mm pvc end cap 8 90mm pvc mta 9 90mm pvc bend 4ksc 10 80mm sluice valve 11 80mm flange set 12 80mm rubber sheet 13 solvent cement 14 lowering pvc / dwsc rigid pipes to trench and laying to proper grade and alignment jointing with pvc couplers with cement paste ( twad sor-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 ( twad sor-2022-23 rates for works-item no-11-e ) 17 90mm to 110mm dia ( od ) pvc pipe 18 refilling the trench with excavated earth including all cost and labour charges etc., complete as per std specifictaion 19 linking and jointing the proposed pipe line with existing pipe line including all labour charges etc complete as per std specification ( local rate ) 20 fixing of sluice / non return / air valve with pipe line including all labour charges etc complete as per std specification ( local rate )