Tender For Restoration Of Ci/Di Pipe Line And Laying Hdpe Pipe Line Including Construction Of Sluice Valve Chamber With Allied Works Under Raipur Piped Water Supply Scheme (Zone - Ii) At Md Bazar Block Under Birbhum Division, P.H.E. Dte.E. (Sl.No.6) Sl., birbhum-West Bengal

tender for Restoration of CI/DI pipe line and laying HDPE pipe line including construction of sluice valve chamber with allied works under Raipur Piped Water Supply Scheme (Zone - II) at Md Bazar block under Birbhum Division, P.H.E. Dte.e. (Sl.No.6) Sl. No. Item Description 1 Withdrawing and relaying of DI/CI pipes / AC pipe after excavation of earth and with the help of chain pully derrick etc. by dismantling & jointing by rubber gasket joint or lead jointor flange joint and stacking the withdrawn pipes and specials at site store /road flank, godown etc. all complete in the excavated same trench & as per direction of EIC.b) 150 mm dia to 200 mm dia 2 Carriage of different type of departmental pipes from Divisional/Sub-divisional store to the work site by truck including loading, unloading, stacking etc. including cost of fuel, lubricant and also cost of driver, helper etc. and all other taxes and charges as applicable as per direction of EICd) Above 20 Km upto 30 Km 3 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(i) Laying of pipe line including cost of pipe only excluding cost of specials/fittings valves.b) 125mm (OD) 4 c) 140mm(OD) 5 f) 160mm(OD 6 g) 180mm(OD) 7 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).A) For CI/DI pipe b) 100mm dia. 8 e) 150 mm dia. 9 B) For uPVC/HDPE Pipe d) 125mm dia (OD) 10 e) 140mm dia (OD) 11 f) 160mm dia (OD) 12 g) 180mm dia (OD) 13 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). A) For CI/DI pipe b) 100mm dia. 14 e) 150mm dia. 15 B) For uPVC/HDPE Piped) 125mm dia (OD) 16 e) 140mm dia (OD) 17 f) 160mm dia (OD) 18 g) 180mm dia (OD) 19 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.R- 12/Gr-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB-2 flanges and drilled to IS:1538 Part IV & VI valves are suitable for max. working pressure of 10kg/cm2(seat test) and body tested to 15kg/cm2.N.B: The above item should be procured from the reputed manufactures as per deptt. approved vender listv) 100 mm dia. 20 iv)150mm.dia. 21 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 22 Laying of CIDF /D.I Pipes with specials,valves etc. in trenches including excavation in all sorts of soil, moorum, soft rock and refilling the trenches after laying & jointing of pipes etc. all complete as per specification and direction of EIC.d) 150mm.dia. 23 e) 100mm.dia. 24 Supplying delivery of CI/DI specials as per direction and satisfaction of EIC 25 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.a) Upto 150 mm. thick 26 a) Above 150 mm. thick 27 (A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)(B) Do-by fine sand 28 Ordinary cement concrete M-15 (Mix 1:2:4)with graded stone chips (20mm down Size) excluding shuttering and reinforcement if any in ground floor. As per relevant IS Code. A) Pakur Variety 29 Add GST @18% on sum of Item No. 1 to 28 30 Add Cess @1% on sum of Item No. 1 to 29

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	07-07-2025	Date Corrigendum_1	Date	16-07-2025

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