construction of water supply scheme gram karhi me block semariyawan district santkabir nagar , materials , 200 mm . dia 7 . 1 mm thick mserw housing pipe as per is 4270 , 150 mm . dia 7 . 1 mm thick mserw 3 / 64 x 3 size slotted pipe as per is 8110 , 150 mm . dia 7 . 1 mm thick mserw plain pipe as per is 4270 , 200mm x 150 dia ms reducer 16mm thick , 200 mm size ms well cap 12mm thick , 200 mm size ms nipple , 200 mm size ms ring , 150 mm size ms ring , 200 mm dia size ms di clamp , 200 mm tw assembly support , 150 mm dia ms bail plug , 150 mm dia center guide , 2 mm to 4 . 8 mm size pea gravel supply duly screened and washed , construction of boundary wall , construction of 3 . 60 m wide main gate and 1 . 20 m wide wicket gate , labour , construction of boundary wall , construction of 3 . 60 m wide main gate and 1 . 20 m wide wicket gate , transportation of rig machine from divisional store to t . w . site . 1x1x120 , tansportation of rig m / c , t&p from store to the site by truck and return trip of empty truck from site to store . 3x2x80km , loading & unloading of t&p as item no- ( 1 . a . 2 ) 1x3x2 , after completion work , same as above , transportation of tube well assembly from divisional store to tubewell site and back to store 3x2x80km , loading & unloading of t . w . assembly-1x3x2 job , tansportation of air compressor from previous site to tube well site by tractor and back to store . 1x2x80km , tansportation of compressor t&p . by truck and back of store 1x2x80km , loading & unloading 1x2 , after completion work , same as above , transportation of op . unit from previous site to tube well site by tractor . and return trip of tractor from site to store 1x2x80km , transportation of o . p . unit t&p from previous site to tubewell site by truck . and return trip of empty truck from site to store1x2x80km , loading & unloading of o . p . unit t&p . 1x2 , after completion work , same as above , erection of rig machine : levelling and dressing of site and camp equipage and installation of rig machine at pin point . , dismantling of rig machine , drilling of 500 mm . dia bore from g . l . to 65 m bgl . , drilling of 450 mm . dia bore from 65 m bgl to 80 m bgl . , 80 m bgl to 120 m bgl . , 120 m bgl to 160 m bgl , 160 m bgll to 200 m bgl , 200 m bgl to 240 m bgl , 240 m bgl to 280 m bgl , 280 m bgl to 320 m bgl , 320 m bgl to 330 m bgl , 200mm dia ms erw pipe from g . l . to 60 m bgl , 150 mm . dia m . s erw plain / slotted pipe from 60 m bgl to 80 m bgl . , 150 mm . dia m . s erw plain / slotted pipe from 80 m bgl to 120 m bgl . , 150 mm . dia m . s erw plain / slotted pipe from 120 m bgl to 160 m bgl . , 150 mm . dia m . s erw plain / slotted pipe from 160 m bgl to 200 m bgl . , 150 mm . dia m . s erw plain / slotted pipe from 200 m bgl to 240 m bgl . , 150 mm . dia m . s erw plain / slotted pipe from 240 m bgl to 280 m bgl . , 150 mm . dia m . s erw plain / slotted pipe from 280 m bgl to 300 m bgl . , installation of compressor including leveling & dressing of site and camp equipage . , development of tube well by compressor , dismantling of compressor after completion of work . , supply of sodiam hexameta phosphate , installation of o . p . unit including leveling & dressing of site and camp equipage . , development of tube well by 3 cusec o . p . unit , dismantling of o . p . unit after completion of work , chemical and bacteriological test . , electrical logging of the bore