construction of 200/150 mm dia 240 meter deep telescopic ordinary tube well 30 number for creation of source under jal jivan mission for water supply retrofitting/ new schemein block -sonkatch, district dewas; 1 drilling of perfectly vertical bore hole of a diameter suitable to receive 200 mm nominal diameter casing pipe upto desired depth below ground level inclusive of the labour charges for transporting, lowering and fixing of 200 mm nominal diameter m.s./ g.i. / u.p.v.c. casing pipe inside the bore hole including all works pertaining to drilling such as transportation, in 2 (a) in all type of collapsible strata consisting of soils, clays, sand, moorum, gravel, boulders etc.usor (i.no. 21.6.1 (a) page no. 315-16) 3 (b) in all types of rocks. usor 01.09.23 (i.no. 21.6.2 (a) page no. 315-16) 4 drilling of perfectly vertical bore hole of 200 mm dia mtr. up to desired depth below ground level in all types of strata including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete phe usor i.no. 19.7/243 (6th ammendment page no. 35)(a) in all type of rocks .phe usor (i.no.21.6.2 page no. 316) 5 drilling of perfectly vertical bore hole of 200 mm dia mtr. up to desired depth below ground level in all types of strata including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete phe usor (6th ammendment i.no.19.7 page no. 35) (a) in all types of collepsable strata (intertapper firmation) i/c. charges for transportation, lowring and fixing of 150mm nominal dia meter gi casing pipe, welded joint only phe usor i.no.21.7.1 page no. 316) 6 (b) in all type of rock phe usor i.no. 21.7.2 page no. 316) 7 drilling of perfectly vertical bore hole of 150 m.m. diameter up to desired depth below ground level in all types of rock including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete. phe usor i.no.21.4 page no. 315) 8 disinfection of tube well using bleaching powder solution as per the direction of the engineer in charge including the cost of bleaching powder and labour etc.complete.phe usor i.no.24.5 p.no. 324 9 providing and fixing of well cap on top of the tube well for protection 200 dia (i. no.22.6.4 p.no. 319 ) 10 construction of concrete block over dry tube wells for protection of size 0.45m x 0.45m x 0.45 m in m-15 cement concrete mix complete work.(i.no.22.7 p.no. 319)