Urban Local Bodies has published Laying Of Distribution Line With Hdpe(Pn-6) Pipes By Replacing Of Existing Ac Pipes At Different Locations Of Ward No-07. Submission Date for this Tender is 02-06-2023. Pipe Laying Tenders in kharagpur West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 24-May-2023 | WBMAD/ULB/KHARAGPUR/NIT/30e_1 | Other | 02-06-2023 |
| Sl. No. | Item Description |
| 1 | Supplying HDPE (Materials grade PE-80) 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./((ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves.b) b) 90mm (OD) HDPE (Class- P.N.-6) |
| 2 | 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) 90mm (OD) HDPE (Class- P.N.-6) |
| 3 | 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) 90mm (OD) HDPE (Class- P.N.-6) |
| 4 | 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. |
| 5 | 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.v) 100 mm dia. |
| 6 | 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) i) 80 mm to 150 mm dia pipe |
| 7 | Shifting house connection or stand post connection from existing main to new main after excavation through any kind of soil and road materials up to required depth. dismantling existing ferrule with all fittings. plugging hole of old main with G.I. plug. drilling and tapping the new main. refixing the ferrule on the new main with serviceable old G.I pipes and other specials (New G.l. pipes and other specials. if required to be installed shall be paid extra) and back filling the trench with excavated materials all complete as per specification and direction of the Engineer- in-Charge. |
| 8 | Road restoration of existing damaged portion of road due to excavation of pipe laying, by cutting earth up to a depth of 150mm followed by 50mm thick sand compaction followed by laying of Polythene sheet & 100mm thick Concreting with M15(4:2:1) cement concrete with graded stone chips(20mm size) of Pakur varity. The rate includes-- i) cost of any type of earth cutting, removing, spreding or stacking orstacking the spoils within a lead of 75m, dressing, dressing, ramming th ebottom, bailing the water if any, ii) cost of supply & labour for sand compaction, iii)cost of supply & laying of polythene sheet, iv) cost for supply all materials& labour for concreting, and all other anciliary cost, clenning the site in all reaspect, all complete as per direction of EIC. |
| 9 | Add GST 18% |
| 10 | Add Cess 1% |
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