Interconnection Of Tubewell With Existing Pipeline In Connection To Repair & Replacement Of Tubewells In Uttar Roypur, Nischintipur And Buita Water Supply Schemes For Supporting Fhtc Drive In Budge Budge I Block Under South 24 Pargana W/S Division-I Phe D, parganas-West Bengal

Interconnection of tubewell with existing Pipeline in connection to Repair & Replacement of Tubewells in Uttar Roypur, Nischintipur and Buita Water Supply Schemes for Supporting FHTC Drive in Budge Budge I Block under South 24 Pargana W/S Division-I PHE Dte. (SM/19199)-2 ALL FLANGED TEE 150 X 150 3 ALL FLANGED TEE 150 X 100 4 ALL FLANGED TEE 150 X 80 5 DOUBLE SOCKET BEND 150 X 22.5 6 DOUBLE SOCKET BEND 150 X 45 7 DOUBLE SOCKET BEND 150 X 90 8 DOUBLE SOCKET BEND 150 X 11.25 9 Carrying CI/DI pipes with specials and valves and lowering placing inposition and laying carefully inside the trenches in proper alignment and gradient etc. including earth work in excavation of adequate width as per specification having min. clear cover from top of pipe is 1.10mtr. below existing ground level in any kind of soil including mixed with boulder, road sub-grade and its flank,but excluding moorum and laterite and stoneetc.without damaging the exisiting telephone/electric cable etc.(in case of damaged if any type of cable line during excecution , necessary damaged charges as applicable by the respective authority will be borne by the agency in his own cost) preparing the bottom surface for continuous bedding of pipe line and laying pipes, fitting, fixing specials and valves with bailing out water if any including carriage of pipes, specials and valves from local deptt. store within 8KM and back filling the trenches with excavated earth in layers to original condition as per specification and direction of EIC. The surplus materials after execution of work are to be return to the deptt. store. 10 N.B: i) Any deviation from required clear cover of 1.10mtr., due to siteadverse condition, prior permission is to be obtained from the EIC inexceptional situation and payment will be made on prorate basis over the rate of entire itemii) No payment will be made without hydraulic test of the pipe line either part or full iii) The pipes, specials and valves , rubber gasket will be supplied deptt. free of cost. 11 150mm dia 12 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. 13 (A) Pressure Rating : PN 6 14 (ii) Laying of pipe line including cost of pipe & fittings/specials butexcluding cost of valves. 15 A) 90mm (OD) 16 B) 110mm (OD) 17 C) 125mm (OD) 18 D) 160mm (OD) 19 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. [Rein forcement type:- Other manu factuerers not specified] 20 150mm dia 21 Supply and delivery of CIDF sluice valve (Special type) PW-1.00 of different dia make with CI double flanged non rustingspindle sluice valves conformingto IS 14846 -2000with 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. 22 150mm dia 23 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 suchas 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). 24 iii) 150mm dia 25 B) For UPVC/HDPE Pip 26 b) 90mm dia (OD 27 c) 110mm dia (OD 28 d) 125mm dia (OD 29 f) 160mm dia (OD 30 Cleaning thoroughly the inner surface of pipeline including specials andvalves by flushing with water and subsequently disinfection of thesamepipe line by flushing againwithwater containing bleaching powderresulting in residual chlorine not lessthan 15mg/ltrs after24hrs of such filling including laboratory testing of water samples obtain from thedisinfested pipe line and disposal of water from the pipe line aftercompletion of thework.Therates includingofcostof requisitewater tobearrangedby thecontractor) (Therateofwater@Rs.10/m3mayberecovered, if the contractor used water from deptt. source) 31 iii) 150mm dia 32 B) For UPVC/HDPE Pip 33 b) 90mm dia (OD 34 c) 110mm dia (OD 35 d) 125mm dia (OD 36 f) 160mm dia (OD 37 Bituminous pucca road (approx. 450mm depth) cutting by using gaiti,chisel, hammer etc. and picking uip the withdrawing excavated materialsand remove the same within distance of 30mtr. at least all complete forfixing/crossing all dia of pipe line as per direction of EIC 38 Carriage of pipe and specials from Deptt. Store including loading and unloading and stacking at store of any PWSS. 39 i) By van or other means 40 Add GST @ 18% on all item (except item no 01) 41 Add CESS @ 1% on all items including GST (except item no 01)

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	25-02-2025	CORRIGENDUM NO. 01	Date	10-03-2025

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