sinking of deep tube well machine boring at joypur -supply of pvc pipes & fittings schedule 80 ( medium duty ) conforming to astmd - 1785 and threaded to match with gi pipes as per is : 1239 ( part - i ) . ( iii ) 80 mm dia 2 supplying pvc strainer of approved make with adapter conforming to i.s.12818 specifications. ( iii ) 80 mm dia 3 supply of g. i. pipes of tata make including necessary sockets ( e ) 40 mm dia. ( ii ) medium quality 4 supply of g.i. reducing tee of approved brand and make. ( xvii ) 80 mm x 50 mm 5 supply of g.i. plain tee of approved brand and make. ( v ) 40 mm 6 supply of g.i. plug. ( viii ) 80 mm 7 ( j ) threaded end cap 8 i ) 40mm 9 ii ) 80mm 10 supplying, fitting and fixing popular maya pump no-6 or similar 11 supplying, fitting and fixing check valve ( horizontal ) g.m. tested to 21 kg per sq. cm. ( v ) 40mm 12 labour for boring through any type of soil for sinking tube well of required dia. with top enlargement by rig boring system ( either by reserve circulation or by direct rotary method ) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete. ( a ) for depth upto 250 metre for 100 mm dia. tube well with top enlargement of 200 mm dia. 13 ( i ) first 50 metre 14 ( ii ) next 50 metre 15 sinking precast r.c. well ring made with cement concrete 1:2:4 with stone chips of0.90m internal dia and 1.80 mtr. depthwith rcc cover and making of1.25 mtr. x 1.25 mtr. size tubewell platform with 1.0 mtrspill water masonary surface drain with 100 mm thick cement concrete ( 1:2:4 ) with 20 mm graded stone chips over150mm boulder soling including 125 mm x 75 mm parapet with cement concrete ( 1:2:4 ) in all sides of the platform and drain also in the base of the tubewell including 15 mm thick ( 1:6 ) cement plaster with 1.5 mm neat cement punning on all surfaces complete. ** rate analysis ( as per analysis rate based on pwd schedule 2017 ) 16 collecting sample of water for bacteriological and chemical test from any depth at any time during execution of work including hire and labour charges for tools and plants and sterilising the equipments, paying all charges and fees, testing etc. complete in all respect as per direction. 17 providing & fixing concrete sign board as per irc specification of size 900 x 750 x 37 mm. thick made with rcc 1:1½:3 with pakur variety stone chips reinforced with double layer irc febric ( 75 x 75 mm. mesh ) and fixed with necessary nuts & bolts on two rc precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above gl & 0.75 metre below gl including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the engineer-in-charge. 18 single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. 2.5 mtr.x2.50 =6.25sqm. 19 brick-on-edge floor or pavement with 1st class brick set close in cement mortar ( 1:6 ) and laid with cushion of sand below ( including cost thereof ) including ruled or flush pointing with cement mortar ( 1:4 ) on top. 20 ( i ) cement concrete with graded stone ballast ( 40 mm size excluding shuttering ) in ground floor ( ii ) cement concrete with 30 mm down graded shingles excluding shuttering.n.b. variety in ground floor ( a ) 1:3:6 proportioni ) 2.50 m x1.50 m x.15 m =1.13 m3 21 earth work in excavation of foundation trenches or drains, in all sorts of soil ( including mixed soil but excluding laterite or sandstone ) including removing, spreading or stacking the spoils within a lead of 75 m.as directed. the item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. ( a ) depth of excavation not exceeding 1, 500 mm.road and soak pit 22 125 mm. thick brick work with 1st class bricks in cement mortar ( 1:4 ) in ground floor. 23 plaster ( to wall, floor, ceiling etc. ) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and ip course, ( i ) with 1:6 cement mortar scaffolding / staging where necessary ( ground floor ) . [ excluding cost of chipping over concrete surface ] ( a ) 25 mm thick plaster 24 refp.w.d. ( building works ) ( i ) plastering, pointing etc.. item no. 1, page-189. brickbats 25 washing and developing tube well with air compressor pump and engine for 8 ( eight ) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with v notch including hire and labour charges for all tools and plants and scaffolding as required