Tender For Supplying And Laying Of Hdpe (Materials Grade Pe-100,Pn-6) / Opvc Pipes Pipes Including Hdd In Distribution System For Proposed Water Supply Scheme At Zone-4 Within Alipurduar Municipal Area., alipurduar-West Bengal

Tender For Supplying And Laying Of Hdpe (Materials Grade Pe-100,Pn-6) / Opvc Pipes Pipes Including Hdd In Distribution System For Proposed Water Supply Scheme At Zone-4 Within Alipurduar Municipal Area.-- 1 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.(A) Pressure Rating : PN 6(iii) Laying of pipe line including cost of pipe, fittings/specials & valves 2 c)110 mm (OD) 3 d) 125mm(OD) 4 e)140 mm (OD) 5 f)160 mm(OD) 6 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 Pipec)110 mm (OD) 7 d) 125mm(OD) 8 e)140 mm (OD) 9 f)160 mm(OD) 10 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 Pipec)110 mm (OD) 11 d) 125mm(OD) 12 e)140 mm (OD) 13 f)160 mm(OD) 14 Making barricading of excavation trenches of road width upto 15mtr. to avoid any accident by providing 75mm dia bamboo post placed vertically & horizontally with the help of 6”size iron rail as per direction and satisfaction of EIC. (Applicable where critical situation arise and take up the work as per direction of EIC)1% of Total Length on both Sides 15 Bituminous pucca road (approx. 450mm depth) cutting by using gaiti, chisel, hammer etc. and picking uip the with drawing excavated materials and remove the same within distance of 30mtr. at least all complete for fixing/crossing all dia of pipe line as per direction of EIC.(width cutting for trench as per IS 7634 (Part 2) : 2012 , Table-3)c)110 mm (OD) 16 d) 125mm(OD) 17 e)140 mm (OD) 18 f)160 mm(OD) 19 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.(width cutting for trench as per IS 7634 (Part 2) : 2012 , Table-3)c)110 mm (OD) 20 d) 125mm(OD) 21 e)140 mm (OD) 22 f)160 mm(OD) 23 Removal of rubbish,earth etc. from the workingsite and disposal of the same beyond thecompound, in conformity with the Municipal /Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge.Total =(pi()/4x d^2 x L) + Road dismantling qnty.c)110 mm (OD) 24 d) 125mm(OD) 25 e)140 mm (OD) 26 f)160 mm(OD) 27 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 28 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. 29 Supplying and Laying of 300 mm dia (ID) M.S. Pipe conduits 25 m in length to be prepared from 8mm thick M.S. plate by Horizontal directional drilling technique (H.D.D) Including supplying and laying of 160 mm diaCarrier ( HDPE )Pipe within the conduit . Across and underneath the S.H. for Alipurduar Municipality area under AMRUT 2.0 Zone-IV 30 Supplying and Laying of 350 mm dia (ID) M.S. Pipe conduits 20 m in length to be prepared from 8mm thick M.S. plate by Horizontal directional drilling technique (H.D.D) Excluding supplying and laying of 200 mm diaCarrier ( DI)Pipe within the conduit . Across and underneath the SH for ALIPURDUAR Municipality area under AMRUT 2.0 for Zone-4

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