tender for Urgent repair works along with Cleaning and washing of ferrule and refixing of damaged roads connection with other allied worksin Kaytha Water Supply Scheme under Nalhati Sub Division within Birbhum Division P.H.E. Dte.(Sl.No.1) Sl. No. Item Description 1 Carrying CI/DI pipes with specials and valves and lowering placing in position 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 stone etc.without damaging the exisiting telephone/electric cable etc.(in case of damagedifanytypeofcablelineduringexcecution,necessary damaged charges as applicable by the respective authority will be borne bytheagencyinhisowncost)preparingthebottomsurfacefor continuous bedding of pipe line and laying pipes, fitting, fixing specials andvalveswithbailingoutwaterifanyincludingcarriageofpipes, specials and valves from local deptt. store within 8KM and back filling the trencheswithexcavatedearthinlayerstooriginalconditionasper specification and direction of EIC. The surplus materials after execution of work are to be return to the deptt. store.N.B: i) Any deviation from required clear cover of 1.10mtr., due to site adverse condition, prior permission is to be obtained from the EIC in exceptional 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 fulliii) The pipes, specials and valves , rubber gasket will be supplied deptt. free of cost.d) 150mm dia. 2 Making rubber gasket joint to CI/DI pipes maintaining proper alignment level etc. by mechanical arrangement with or without using mobile cranes where necessary and with help of all other equipments tools and tackles etc. as required providing lubricants of approved quality and direction of EIC. (rubber gasket will be supplied deptt. free of cost)d) 150mm dia. 3 Filling the pipe line with water, testing hydraulically as per I.S 3114-1965 (Article-6)insectionofalengthnotexceeding500mtr.forheadof pressure as per specification including supplying installing and fixing all equipmentssuchasdieselpumpset,blankflange,pressuregauge, valve,pressurepumpandallothertoolsandplantsincluding drilling toppingandpluggingofnecessaryholestopipes,blockingends providing temporary thrust block and subsequent blocking of holes and otherjointingmaterialsanddismantlingandremovalofthesame includingdisposalofwateretc.allcompleteasperspecification and direction of EIC. The rate is inclusive of cost of requisite water to bearranged by the contractor (Recovery rate of water @ Rs.10.00/m3, if contractor used water from deptt. source).A) For CI/DI piped) 150mm dia. 4 Cleaning thoroughly the inner surface of pipe line including specials and valves by flushing with water and subsequently disinfection of the same pipelinebyflushingagainwithwatercontainingbleachingpowder resulting in residual chlorine not less than 15mg/ltrs. after 24hrs. of such fillingincludinglaboratorytestingofwatersamplesobtainfromthe disinfestedpipelineanddisposalofwaterfromthepipelineafter 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 piped) 150mm dia. 5 Earthwork in filling, in compound, tank, lowland, ditches, etc. with good earth in layers not exceeding 150 mmincluding breaking clods and consolidating the same by ramming and dressing completely.(b)(iii) With carried earth arranged by the contractor within a radius exceeding 5 km. but not exceeding 10 km. including cost of carried earth. 6 Supplying, spreading and consolidating Stone Dust to a depth of 100 mm and above at desired density and C.B.R. as per Specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks and depressions by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants complete as per specification. 7 Labour charges for repairing of UPVC pipe by using UPVC socket and solvent cement including earth work in excavation with dewatering and necessary tracing out the actualposition of brusting / leakage, cutting the pipe to required length in the trenches and replacing the same with new pipe (as per required length) including fitting fixing after roughingthe UPVC surface & supplying and applying solvent cement, back filling the trenches with excavated earth upto the same as per direction of EIC all complete (UPVC pipes and specials, solvent cement to be supplied by the Agency). Unserviceable broken withdrawn surplus materials are to be deposited to the Deptt. store.i) 63 mm Dia 8 ii) 75 mm Dia 9 iii) 90 mm Dia 10 iv) 110 mm Dia 11 v) 125 mm Dia 12 vi) 140 mm Dia 13 vii) 160 mm Dia 14 vii) 180 mm Dia 15 ix) 200 mm Dia and above 16 Making barricading for protecting the trench to avoid any accident including making arrangement of road light during the night. 17 Opening the cap / plug of washout point and opening sluice valve to clean the pipe, cleaning the cap / plug and sluice valve after completion of the work including earth work in excavation and refilling the same, draining out washed water etc. as per direction of ElC and replacing RCC Top slab cover where necessary including refixing the opened cap/plug in position complete.a) Cap Opening. 18 Providing FHTC from the existing CI/DI/UPVC/HDPE/GI/AC distribution pipe line by installing 10 mm NB Gun-metal Ferrule conforming to IS 2692:1989 on the said pipeline with supply, fitting & fixing of all other accessories like saddle piece of required size to fit the existing distribution pipeline, specials, nut & bolts, rubber sheet, washers etc. and supply & laying of 15mm NB PVC (schedule 80) / 20 mm OD HDPE (PE100, PN16) pipe (average 15m length) with all necessary specials 1.0 m below the ground connecting the ferrule including cutting trenches in all sorts of soil and filling up trenches as per direction of the EIC and upto a point just inside the premises of the house hold or as directed by EIC. Supply and installation of a 15 mm dia. alloy iron Bib Cock (tested to 21 kg/cm2) above 1.0 Mtr. from ground, an alloy Stop Cock of 15 mm dia. with brass spindle (tested to 21 kg/cm2) to be fitted in a position as directed by EIC. G.I pipe (TATA medium duty) of 2 metre length with all necessary specials to continue from the end of the HDPE/PVC pipe and upto 1.0 m above ground with the premises of household.1. PVC pipe shall of schedule 80 (medium duty) conlorming to ASTMD -1785 and threaded to match with Gl Pipes ds per IS : 1239 (Part - I).2. PPR-C (Poly propylene Randam copolymer) pipe shall be of3-layer confirming to IS:15801 UV stabilised & anti-microbial fusion welded, having thermal stabitity for hot & cold water supply including all PP-R plain & brass threaded polypropylene random/fittings.3. Rate is exclusive of supply and delivery of 10 mm NB Gun-metal ferrule.4.Supply and laying of 15 mm NB PVC (schedule 80)/20 mm OD HDPE (PE 100, PN16)/20 mm OD PPR-C (Class-SDR7.4/PN16) pipes.a)upto 10 mt length 19 b) Above 10 mt upto 20 mt length 20 For existing FHTC with ferrule connection , refixing of existing ferrule with fittings in the proposed distribution pipe line and supply , fitting & fixing of all other accessories like saddle piece of required size to fit the proposed pipeline , specials , nuts & bolts , rubber sheets , washers etc. including cutting trenches in all sorts of soil and filling up trenches as per direction ofEIC. 21 Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.In ground floor including roof.(a) upto 150 mm. thick 22 Provision for extra supply and laying of 15 mm NB PVC (schedule 80)/20mm OD HDPE (PE100, PN16) pipe with all necessary specials 1.0 meter below the ground including cutting trenches in all sorts of soil and filling up trenches as per direction of the E.I.C., beyond 15mtr length as consider in item no.19 23 Ordinary cement concrete (Mix 4:2:1) with graded stone chips (20mm down) excluding shuttering and reinforcement, if any , in ground floor as per relevant IS Code.(Pakur Variety) 24 Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories,specials viz.socket, bend, tee, union, cross, elbow, nipple, short piece etc.including cost of all materials,jointing materials ,cutting pipes,making threads,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.Payment for painting will be made seperately)i) 15 mm dia. medium quality 25 Add GST @18% on sum of Item No. 1 to 24 26 Add Cess @1% on sum of Item No. 1 to 25
