tender for Operation And Maintenance Of Magurati Srirampur Water Supply Scheme Etc., Operation & Maintenance ofMagurati Srirampur W/S Scheme at Baduria Block Dist:- North 24 Pgs. Under Barasat Arsenic Division, PHE Dte.(For one year) (Sl No. 9) Sl. No. Item Description 1 Opening & closing of all the different dia. Sluice valves (80 mm dia to 350 mm dia) on different places along the alignment of the rising main and distribution main at different places over the command area daily as and when required for regulating the supply of water and distributing water all over the command area smoothly including changing and restoration of gland packing of sluice valve, air valve if required including opening the cap / plug of wash out point or opening the sluice valves including de-jointing flanges joints (80 mm to 350 mm dia) including repairing works and cleaning the pipe line or changing of the gate, spindle or liner etc. all sluice valves all complete restoration works to be done including earth work in excavation bailing out of water, refilling excavated earth, taking out of R.C.C. slab cover and refixing true to position etc. all complete as per specification and directionof EIC.NB.:- Daily rate to each labour will have to be paid by the agency not less that Rs. 404.00 (Rupees four hundred and four) only per day and 8.33% bonous + 10% contractors profit +5% overhead expenses + ESI+EPF). 2 Extra repairing charges for changing of gland packing of sluice vaulve/ air valve with supplying of gland packing grease etc bailing out of water including removing the top cover slab of valve chamber and refixing the same after completion of work as per direction of E.I.C. 3 a) 80 mm dia to 125 mm dia 4 b) 150 mm dia. To 250 mm dia 5 Supplying, Laying, Fitting, Fixing and Jointing of UPVC Pipes (6.0 kg/sqm. Water Pressure) class - III conforming to IS: 4985-2000 with latest revision and amendments, if any, with necessary UPVC/CI specials, CIDF sluice valves, as per relevant I.S. Specification including labour charges for earth work in excavation in any kind of soil including mixed soil with boulder, road sub-grade and its flanks but excluding moorum and laterite or sand stonehard arock including cutting of brick payment without damaging the existing telephone / electrical cable line etc, (in case of damage of any type of cable line during excavation, necessary damaged charges as applicable by the respective authority will be borne by the agency in his own cost. Loading, Unloading, Carrying of pipes, specials, valves from the local store to work site and lowering laying of pipes specials valves carefully in trenches maintaining proper levels and alignment, jointing the pipe and specials including supplying of good quality / approved brand solvent cement as per IS: 14182-1994 including cost of all fabricated PVC fitting i.e. tees, bend, reducers, adopter etc. as per IS: 101-1988 and making flange joints including supplying required quantity of nuts, bolts and rubber insertion (CIDF sluice valves will be supplied by the department free of cost) as required at site by adopting suitable method so as to facilate the maintenance of pipe line locally as per conventional method including back filling the trenches with good earth obtained from excavation of trenches including consolidation with watering in layer not exceeding 150 mm thick with maintaning an average depth of cushion of 1.10 mtr.N.B. i) Manufacturers test certificate for UPVC pipe & specials to be produced before laying of pipe line.ii) 3rd party inspection of UPVC pipe & specials to be done by CEPET or (INDIA) SGS / NTH Kolkata or as per direction of EIC as per approved vendor list.iii) No part payment at any stage on account of supply of materials shall be entertained.iv) Payment will be made on actual consumption of materials.v) UPVC Pipes for the works to be supplied as per approved vendor listn and as per direction & satisfaction of EIC. No pipes will be allowed beyond recommended vendor list.vi) Submission of drawing of pipe line with statement of materials consumed between node to node points against each RA & Final Bill. If so.vii) Any deviation from required clear cover of 1.10 mtr. due to site adverse condition, prior permission is to be obtained from EIC and payment for such work will be made on prorate basis over the rate of entire item.viii) All pipe connection shall be completed in all respect and as per direction of EIC. Decision of EIC in this respect is final & binding in case of any deviation / or any left out pipe connections an amount of Rs. 10,000.00 for each pipe connection will be realised / recovered from the Bill.B) Laying UPVC (Class - III) pipe line including cost of pipe& fittings / specials but excluding cost of valves. 6 a) 63 mm dia 7 b) 75 mm dia 8 c) 90 mm dia 9 d) 110 mm dia 10 Labour charges for repairing of UPVC Pipe by using UPVC socket and solvent cement including earth work in excavation with clewatering and necessary tracing out the actual position 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 roughing the 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 withdrawan surplus materials are to be deposited to the Deptt. Store. 11 a) 63 mm dia 12 b) 75 mm dia 13 c) 90 mm dia 14 d) 110 mm dia 15 Clearing compound premises of shrubs, plants, jungles etc. by cutting & removing as directed (specific permission of engineer incharge prior to execution will necessary). (Payment to be made on area cleared). 16 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) 17 Cleaning silt (every month) from the over head reservoir, cleaning washing and disinfection the same with bleaching powder, including machinery, tools and plants as per direction of EIC complete (Bleaching powder will be supplied by the agency.a) Upto 1.50 lakh gallon capacity OHR. 18 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 EIC and replacing RCC Top slab cover where necessary including refixing the opened rap/plug in position complete.a) Cap Opening 19 Cleaning the chokage of DI/UPVC Pipes in the existing line by split bamboo passing through the new pit on the line and cleaning silt, bats or any obstructed materials in the line and cleaning by washed water. (Work to be executed as per prior approval and direction of EIC.) 20 Dismantling existing ferule with fitting and refixing the same after cleaning and washing of pipe line upto stand post. 21 Providing and fixing 3 layer OO-R (Poly Propylene Random Copopolymer) pipes conforming to IS : 15801 UV stabilized & anti- microbial fusion welded , having thermal stability for hot & cold water supply, including all PP-R plain & btass threaded polypropylene random fittigs, including trenching, refilling & testing of joints complete as per direction of E-I-C. (A) External work ( CLASS SD R.4/PN-16)20 MM DIA (OD) 22 Proving and fixing service saddle suitable for portable uses including supply of all materials and labours etc. 23 63 mm X 20mm/25 mm 24 75 mm X 20mm/25 mm 25 90 mm X 20mm/25 mm 26 Provision for making payment towards labour wages in case of enhancement within the stipulated period of the said work to be in the following manner{[ enhancement of wages + 8.33% bonous + 10% contractors profit +5% overhead expenses + ESI+EPF.} 27 GST @18% on all the above items. 28 Labour Welfare Cess @1% on all the above items.