allied work for providing functional household tap connection ( fhtc ) from existing distribution system within the command area of zone-viii under suri-i, suri-ii and sainthia water supply scheme within birbhum sadar sub-division birbhum division, p.h.e dte - supplying hdpe (materials grade pe-100) pipes conforming to is 4984-1995 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 cutting road 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 be brone 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 (a) pressure rating : pn 6(ii) laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves.a) 50 mm dia. 2 b) 63 mm dia. 3 c) 75 mm dia. 4 d) 90 mm dia. 5 e) 125 mm dia. 6 f) 200 mm dia. 7 dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m in ground floor including roof.(b) upto 150 mm. thick 8 ordinary cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant is codes.pakur variety 9 construction different dia sluice valve /air valve /washout chamber 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 manufacturers not specified]i) 80 mm to 150 mm dia pipe 10 ii) 250 mm to 350 mm dia pipe 11 filling the pipe line with water, testing hydraulically as per i.s 3114-1965 (article-6) in section of a length not exceeding 500mtr. for head of pressure as per specification including supplying installing and fixing all equipments such as diesel pump set, blank flange, pressure gauge, valve, pressure pump and all other tools and plants including drilling topping and plugging of necessary holes to pipes, blocking ends providing temporary thrust block and subsequent blocking of holes and other jointing materials and dismantling and removal of the same including disposal of water etc. all complete as per specification and direction of eic. the rate is inclusive of cost of requisite water to be arranged by the contractor (recovery rate of water @ rs.10.00/m3, if contractor used water from deptt. source).b) for upvc/hdpe pipea) 75mm dia 12 b) 63 mm dia. 13 c) 75 mm dia. 14 d) 90 mm dia. 15 e) 125 mm dia. 16 f) 200 mm dia. 17 cleaning thoroughly the inner surface of pipe line including specials and valves by flushing with water and subsequently disinfection of the same pipe line by flushing again with water containing bleaching powder resulting in residual chlorine not less than 15mg/ltrs. after 24hrs. of such filling including laboratory testing of water samples obtain from the disinfested pipe line and disposal of water from the pipe line after completion of the work. the rates including of cost of requisite water to be arranged by the contractor)(the rate of water @rs. 10/m3 may be recovered, if the contractor used water from deptt. source).b) for upvc/hdpe pipea) 75mm dia 18 b) 63 mm dia. 19 c) 75 mm dia. 20 d) 90 mm dia. 21 e) 125 mm dia. 22 f) 200 mm dia. 23 submission of complete detailed drawing of distribution system, rising main etc. after execution of work showing position of different types of valves, fittings/specials sluice valve chamber with location, node to node wise in the sanctioned drawing as completion drawing of the water supply scheme as per direction and satisfaction of eic. the list of dia wise fitting/specials, different pipes ;of valve used in the rising main should be shown in the completion drawing (not separate) with verified by sae & ae in-charge of the scheme.the above drawing will be submitted in 5 copies