Laying of pipe line from Barrage to Tarafeni pond, construction of valve chamber and other works for Belpahari Water Supply Scheme under Jhargram Division, PHE 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 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 pipe so that joint can be monolithic) so as to facilitate the maintenance of pipe line locally as per conventional method in future. (B) Pressure Rating : PN 6 (iii) Laying of pipe line including cost of pipe & fittings/specials & excluding cost of Valves. 160 mm ( OD )

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). For HDPE Pipe: 160mm (OD)

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). For HDPE pipe: 160mm(OD)

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] 80 mm to 150 mm dia pipe

Submission of complete detailed drawing of rising main after excavation of work showing position of different types of valves ,fittings /specials sluice valve chamber with location to node to node wise in the sanctioned rising main drawing as completion drawing of the water supply schemes per direction and satisfaction of EIC. The list of dia wise fitting/specials, different pipes,valve used in the rising main should be shown in the completion drawing (not separate) with verified by Jr.Engineer & AE in-charge of the scheme.The above drawing will be submitted in 5 copies.

Supply and delivery of different dia CIDF pipe class B as per IS: 7181-1986 with latest ameddment including loading, unloading & stacking properly properly at the departmental store including of all incidental charges if any all complete as per direction of the E.I.C. 250mm Dia, 2.75 Mtr Long each = 6 Nos

Supply & Delivery of DI Mechanical Joints Collar 250mm Dia. Resource Item Sl No MI/01471

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