laying , testing , commissioning of distribution pipe line at kenteen majhipara, palash bagan, parul dhawra , kanthaghar ecl quarter , thakur bandh , bhatapara, ghusick muchipara, 10no. upper dhawrah villege to improve the quality quantum of drinking- 1 supplying hdpe ( materials grade pe-100 ) pipes conformingto is49841995 with latest revision & amendments if any with necessary hdpe specials ( excluding cost of cidf valves ) including labour charges for earth work in excavation in any kind of soil including mixed soil with boulder, road sub-grade and aits flank but excluding moorum laterite or sand stone / hard rock cutting with chisel required including cuttingroad flank / brick pavement etc. without damaging the exisiting telephone / electrical cable line etc. ( in case of damage of any type of cable line by the agency at the time of execution necessary damage charge as applicable by the respective authority will have to bebrone by the agency at his own cost ) upto the depth ( av. ) so as to maintain 1.10m.earth cushion from top of the pipe upto g.l. including loading unloading carrying lowering laying fitting fixing carefully pipes, valves and specials with the all types of jointing materials in trenches maintaining proper levels and alignment jointing the pipes and specials by butt welding / adopting suitable method ( but weld jointing with help of hydraulic tack and trimming machines, hitter etc. for reaching at necessary melting point of hdpe pipes othat joint can be monolithic ) so as to facilitate the maintenance of pipe line locally as per conventional method in future. ( a ) pressure rating : pn 6 ( ii ) laying of pipe line including cost of pipe & fittings / specials but excluding cost of valves. a ) 75mm ( od ) 2 b ) 90mm ( od ) 3 c ) 110mm ( od ) 4 dismantling all type of plain cement concrete works, stacking serviceable materials of site and removing rubbish as directed within a lead of 75mtr. for laying all dia pipe line in ground floor, upto 150mm thick. 5 supply and delivery of cidf sluice valve ( special type ) pw-1.00 of different dia make with ci double flanged non rusting spindle sluice valves conforming to is 14846 -2000 with latest emended having body dome / bonnet and cover of c.i.gr-f.g 210mtr. spindle of is-6603 g.r12 / gr-13non-magnetic, nuts seatrings are of gunonetalasperis:318ltb-2 flanges and drilled to is:1538 part iv & vi valves are suitable for max.working pressure of 10kg / cm2 ( seattest ) and body tested to 15kg / cm2.n.b: the above item should be procured from there puted manufactures as per deptt. approved vender list iii ) 200mm.dia. 6 construction of different dia sluice valve / air valve / washout chamber in different sizes for village road where light traffic run and for main road where heavy traffic run as deptt.approved drawing with 25cm thick brick work ( 1:6 ) over cement concrete ( 4:2:1 ) over a single b / f soling over150mm.thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with rcc ( 1:1.5:3 ) cover slab 100mm / 150mm thick slab on top of chamber with 1% reinforcement in rcc cover slab with necessary opening for operation of valve all complete including cost of labour & materials as per departmental dwg. [ reinforcement type: other manufactuerers not specified ] i ) 80 mm to 150 mm dia pipe 7 hire charges of lighting generator of capacity 5kva including fuel, mobil, operator, carriage etc. including all complete for water supply works. for minimum engagement of 8 hrs. in a day 8 a ) construction of rcc street stand post ( 700mm height ) of rcc ( 1:1.5:3 ) footing over 75mm thick 4:2:1 p.c.c over a single b / f soling with 1% reinforcement, connected with saddle piece & 15mm dia brass ferrule with supplying fitting, fixing 15mm dia g.i. nipple, g.i.socket, g.i. 200mm x 150mm reducing elbow and 20mm dia gi ( m ) tata pipe of ( avg. ) 2.6mtr. long and one 15mm dia alloy iron with brass spindle bib cock with socket and 20mm g.i. elbow 2nos. with 15mm gi ( m ) tata pipe of 0.225mtr. for connection of stand post to distribution line as per deptt. design and drawing as per direction of eic along with construction of platformof size ccplatform ( 1:2:4 ) overa singleb / f soling below g.l over 150 mm. thick sand filling, neat cement finish over platform and inner side of band and 15 mm thick cement plaster ( 4:1 ) on top of platform band and outside upto g.l. as per deptt. drawing and as per direction of eic 9 supplying, fitting and fixing of c.i. mechanical compression flexible collar couplings suitable for inch size c.i. pipes conforming to class-b of bs: 1211 complete with sealing rubber gasket of epdm quality ( is:5382 / 1985 type- 4 ) , cast iron follower glands and mild steel nut bolts ( zinc coated ) . the whole assembly should be mechanically and hydraulically tested to the provisions as laid down in is: 1538. fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. 4 inch with length 100mm 10 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. 11 dewatering from the excavated trenches for repairing any type of pipeline including hire charge of pump / carriage / fuel & lubricant / operator etc.for big dia pipes more, than 200 mm dia all complete as per direction of eic. ( this item will be executed after the permission of e.l.c. ) 12 ordinary cement concrete ( mix 1:1.5:3 ) with graded stone chips ( 20 mm nominal size ) excluding shuttering and reinforcement if any, in ground floor as per relevant is codes. ( i ) pakur variety 13 gst 12 % =rs. 14 labour cess 1 %= rs.