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| 1 | Supply, laying, jointing and testing ERW mild steel black pipe of 350 mm nominal bore,medium grade (Class-\"B\") as per IS: 3589:2001, laid in trenches, over PCC/RCC pillars, across or under bridges/ along hill side (up or down)/ culverts/ inside valve pits complete all as specified and as directed including taking up / down old sorted mild steel pipe and removing to store yard of AGE E/M-II of GE (U) Chandimandir, all as directed. Note:(i) Excavation and earth work shall be measured and paid for separately(ii) Mild steel fittings,flanges, Joints shall be measured and paid for separately. |
| 2 | Mild steelflange for 350 mm nominal bore pipe, 25.4mm thick, 527 mm outer dia having 12 holes drilled for 22.4 mm dia bolts for jointing with the existing and new mild steel pipe, duly welded with pipes/ fittings, bends properly to the plain end complete all as specified and as directed including taking down / up old fitting and removing to store yard of AGE E/M-II of GE (U) Chandimandir, all as directed. |
| 3 | Flanged joints for 350 mm nominal bore pipes, including compressed asbestos fiber gasket 6mm thick and 12 Nos nuts and bolts of size 22.4 mm dia and 75mm length with 2 No washers 6mm thick to joint pipes/ fittings/ bends etc complete all as specified and as directed including taking down/up old jointing material and removing to store yard of AGE E/M-II of GE (U) Chandimandir. |
| 4 | Mild steel pipe fittings, like bends, tapers,tee pieces (single & double branch) any type and angle/ radius and straight connecting pieces, tail pieces, collars etc,flanged ends type of any size / type upto 350 mm bore, fixed /fitted in position complete all as specified and as directed including taking down old fitting and removing to store yard of AGE E/M-II of GE (U) Chandimandir.NOTE :(i) Mild Steel flanges and Joints shall be measured and paid for separately.(ii) Excavation and earth work, if any, shall be measured and paid for separately. |
| 5 | Mild Steel blind flanges for header with and including nuts, bolts and rubber sheet of thickness 20 mm of350 mm dia pipe, complete all as specified and as durected . |
| 6 | Cast iron rising sluice valve, Stainless steel spindle, flanged ends PN-1.6 ISI marked as per IS:14846/2000 and cast ironoperating wheel including gasket, nuts, bolts and washers fixed / fitted in position in replacement(including taking down old sluice valve) Complete all as specified anddirected, of bore:- |
| 7 | 100 mm |
| 8 | 150 mm |
| 9 | 200 mm |
| 10 | 300 mm |
| 11 | Cast iron non return valve, class PN 1.6 ISI marked with flanged ends complete including jointing materials like nuts, bolts, washers, gaskets etc complete all as specified and as directed in replacement (including taking down old return valve), complete all as directed, of bore:- |
| 12 | 100 mm |
| 13 | 150 mm |
| 14 | 200 mm |
| 15 | 250 mm |
| 16 | Ductile iron Foot Valve, PN .10, EPDM seals, Stain less steel weld overlay, with Galvanized steel filter, as per IS 4038 of size 150mm, fitted/fixed in position in replacement (including taking up / down old valve) complete all as specified and as directed. |
| 17 | Ductile iron double flanged butterfly valves 600 mm nominal dia (bore), bronze bearings, teflon bushes, SS 304 retaining ring, EPDM seals complete with gearbox and hand operated wheel fitted / fixed in position, in replacement (including taking up / down old valve) complete all as specified and as directed. |
| 18 | Excavating in trenches for foundations, laying / taking out of cables / pipes in any type of soil, n.exc 1.50 m in depth and n. exe 1.50 m in width and getting out complete all as specified and as directed |
| 19 | Returning, filling in soils including spreading, leveling, watering and well ramming in layers n. exc 25 cm thick complete all as specified and as directed. |
| 20 | Removing excavated soils to a distance n. exe 50 m and depositing where directed at a level n. exe 1.50 m above the starting point. |
| 21 | Plain cement concrete 1:4:8 type D-2 (using 40 mm graded crushed stone aggregates) as in foundations, filling and mass concrete, above or below ground in any position including dismantling existing concrete (structure and removing rubbish to outside MoD land complete all as specified and as directed. |
| 22 | Rolled mild steelframed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, doors etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive or steel sheeting or other covering, running rails and guides) and hanging complete ; also fastening and fixing complete Fe-290 (Gde E-165), all as specified and as directed including dismantling and taking down old steel work and removing from site all as directed. |
| 23 | Rolled mild steel framed work such as grills, gratings etc., with ends of bars shouldered and/or rivetted, or forget into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe 290 Gde - E-165 all as specified and as directed including dismantling and taking down old steel work and removing from site all as directed. |
| 24 | Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, dia of nect 11 to 15 mm, length of bolt exc 15 cmbut not exc 22.5 cm complete all as specified and as directed. |
| 25 | Rolled mild steel in plates (plain or chequered) channels. Square cut or notched (ordinary and counter sunk), forming holes, without any attachment conforming to Fe-290 (Gde E-165) complete all as specified and as directed. |
| 26 | Preparing new or previously untreated steel surfaces of any description and applying two coats of synthetic enamel over a coat of red oxide primer complete all as specified and as directed |
| 27 | Dewatering of Clariflocculator unit having two concentric tanks circular in shape, of dia 30 mtr, depth 4 mtr by means of pump set of appropriate capacity and thorough cleaning of Clariflocculator unit including rubbing, scratching and taking out the silt, mud, sludge etc including vegitation from the unit and throwing it away at distance not less than 50 mtr, cleaning and disinfection of entire internal surface of the chamber using suitable cleaning agent/bleaching powder, cleaning of internal tubes using high velocity water jet complete all as specified and directed. |
| 28 | NOTES: (a) Bailing out the entire water from the clariflocculator unit, cleaning of inlet line shall be part of the job. (b) Necessary T&P shall be arranged by the contractor by his own arrangement. (c) Connection members such as aerator, alum mixture chamber, inlet & outlet channels, supporting pillars, cleaning of tiles of channels, cleaning of area along the railing of clariflocculator shall be part of the job and no extra cost will be paid. |
| 29 | All as per the description of Serial item No-19 here-in-above but dia 20 mtr, depth 3.50 mtrNOTES - DITTO- |
| 30 | Removal of existing unserviceable filter media from filter bed of approximate size 8mtr (L) x 5 mtr (W) x 2mtr (D)filtration plant and disposal of unserviceable media/material from each filter bed to a designated place, distance not exceeding 50 mtr including dismantling of existing air blow-down piping system, dismantling of AC lateral pipes and header block tees, nozzles etc,cleaning and disinfection of entire internal surface of the filter bed using a suitable cleaning agent/bleaching powder, scrubbing the side walls to remove any form of deposit using a wire brush complete all as specified and directed. |
| 31 | NOTES: (a) Only one number of Rapid Gravity Filter Bed is to be taken for overhauling at a time and the same will be done as per instructions and as directed by Engineer-in-Charge.(b) Prior to starting of overhauling of a filter bed, the required materials for overhauling should be in place.(c) Entire materials labour, Engineer, supervisor, plant & tools required for executing the work and for safety of persons deployed on the work shall be contractor’s arrangement and responsibility.(d) During dismantling, a joint inspection will be carried out by Engineer-in-Charge with contractor and the detail of the filter media layers will be drawn. The new filter media layers are to be placed as per the details drawn during the joint visit. |
| 32 | (e) Supply of all the materials of the Rapid Gravity Filter Bed for overhauling shall be measured and paid separately. (f) Contractor necessarily in presence of the Engineer-in-charge or his rep shall make video of complete process and photograph of each operation of removal of filter media without any extra cost to department and CDs and photograph thereof shall be handed over to the Engineer-in-charge. It will be pre-requisite for submission of RAR and final bills for work done. |
| 33 | Fixing of existing serviceable and new header block tees, nozzles etc, HDPE perforated lateral pipes, air blow down system same as existing arrangement including filling of filter media in layers (as detail drawn during removal of media) in filter bed, spreading the media uniformly using appropriate tools complete all as specified and directed. |
| 34 | NOTES: (a) Supply of header block, HDPE perforated pipe, air blow down pipe, gravels & sand mediaand other PCC work shall be measured and paid separately. (b) The quoted rates shall be deemed to be inclusive of cost of welding work for jointing of MS pipes, jointing of HDPE pipes and other essential works for successful operation of back washing and air blow down system. (c) Each filter bed will be filled with approx 80 Cum of filter sand and gravel, the quoted rates shall be deemed to be included of labour charges.(d) After filling of rapid gravity filter bed there shall be test run and the filtered water shall be tested at NABL certified test laboratory and turbidity should conform to IS: 10500/2012 standards and the cost of same shall be included in rate quoted. |
| 35 | (e) The flow rate of the overhauled filter bed should conform to the designed flow rate of the water treatment Plant. In case, the turbidity does not conform to IS: 10500/2012 standards, the Contractor should be required to identify the fault and rectify the fault of the Rapid Gravity Filter beds at their own cost. (f) Contractor necessarily in presence of the Engineer-in-Charge or his rep shall make video of complete process and photograph of each operation of filling of filter media without any extra cost to department and CDs and photograph thereof shall be handed over to the Engineer-in-charge. It will be pre-requisite for submission of RAR and final bills for work done. |
| 36 | Supply only filter media comprising of graded gravel, in accordance with IS: 8419 Part-I, hard and preferably rounded with specific gravity not less than 2.5, free from clay, sand, loam and organic impurities of any kind, Acid solubility not more than 10.00 % for gravel sizes 10mm or larger and 5.00% solubility for gravel sizes smaller than 10mm, Particle size 25mm-40mm, complete all as specified and directed.NOTE: Filter gravel shall consist of hard, preferably rounded stones with an average specific gravity of not less than 2.5 and shall be free from clay, sand, loam and organic impurities of any kind. The gravel shall not contain more than 2 percent by mass of thin, flat or elongated pieces (in which the largest dimension exceeds three times the smallest dimension) determined by hand picking. Gravel should be free from excessive amount of limestone or shells and acid solubility determined in accordance with procedure given in Appendix R of in IS: 8419 (Part-I)-1977 should not exceed the following limits:a)Gravel sizes 10 mm or larger: 10 percent solubilityb)Sizes smaller than 10 mm:5 percent solubility |
| 37 | All as per the description of Serial item No 23 here-in-above but particle size 12 mm-20 mmNOTE:--DITTO- |
| 38 | All as per the description of Serial item No 23 here-in-above but particle size 6 mm-12 mmNOTE:--DITTO- |
| 39 | All as per the description of Serial item No 23 here-in-above but particle size 3mm-5mm NOTE:--DITTO- |
| 40 | Supply onlyfilter media comprising of filter sand, in accordance with IS: 8419 Part-I, specific gravity not less than 2.5, uniformity coefficient less than 1.5, Silica content tested in accordance with IS: 2000, Any sample of filter sand shall not contain more than 5 percent by volume of impurities, such as clay, loam, silt, Loss in Ignition not more than 0.70 %, Acid solubility not more than 5.00 %, Particle size 1mm-2mm, complete all as specified and directed.NOTE: Filter sand shall consist of hard, durable grains of silica and shall have a specific gravity of not less than 2.5. All grains of sand shall preferably be water worn. The minimum silica content in sand as determined by method given in 7 of IS : 2000-1962 shall be 90 percent. Any sample of filter sand shall not contain more than 5 percent by volume of impurities, such as clay, loam, silt, etc, in one hour settlement after shaking in water in accordance with procedure described in IS: 8419 (Part-I)-1977. The sand shall not contain more than 5 percent of acid soluble matter as determined by solubility test described in IS: 8419 (Part-I)-1977. The loss on ignition, which is a measure of the organic matter present in sand, and determined by the procedure given in Appendix C ofin IS: 8419 (Part-I)-1977 shall not be more than 0.7 percent. |
| 41 | All as per the description of Serial item No. 27 here-in-above but of particle size 0.5 mm-0.8 mm.NOTE: For item No 23 to 28 : The filter media shall conform to all the parameters mentioned inIS: 8419 Part-I and a test certificate in this regard from supplier and from an NABL accredited laboratory for each type of sample is to be submitted for approval of GE before incorporating in work. |
| 42 | Supply only perforated double walled corrugated UPVC pipe of pressure rating 10 kgf/sqcm of size 63 mm outer dia, conforming to IS 4985-81 of approved colour with neccessary fitting complete all as specified and as directed. Make: Prince / Supreme / Diplast |
| 43 | Washing, sieving/cleaning and drying of existing filter gravels of any size retrieved vide serial item No 21 here-in-above keeping at suitable place using appropriate method, for removing any kind of impurity, foreign particles, complete all as specified and directed. |
| 44 | Rubbing / scrapping and cleaning of lime/alum mixing units including cleaning of lime and alum mixing chamber complete all as specified and directed. Location : BML Phase - I & II |
| 45 | Painting of filter bed walls, interior & exterior of clariflocculator and alum mixture chamber, inlet & outler water channelswith acrylic based water proof paint and epoxy protection layer paint (suitable for drinking Water) complete all as specified & directed. |
| 46 | Taking up or down existing old mild steel pipes 100 mm bore and removing from site (including all fittings), to store yard of AGE E/M-II complete all as specified and as directed. |
| 47 | Supplying, fixing, jointing and testing mild steel black pipe ISI Marked, Fe 410 grade as per IS:1239/2004 nominal bore 100 mm, medium grade (Class B) in standard length of 5.50 - 6.00 meter including all fittings complete all as specified and as directed. |
| 48 | Supply only perforated HDPE black pipes, as per IS: 4984, of PE 100 and PN 10/16 as applicable for outer wall thickness of pipe of size 125 mm outer dia, of approved colour with neccessary fitting complete all as specified and as directed. Make: Jain Irrigation / Supreme /Kastha |
| 49 | Labour only for disconnection all contacts of the existing feeder pillars ,capacitor panels ,change over switch , motor termination complete and decarbonising of all contacts burnt and wornout out cable connections with new lugs and thimble of adequate size and checking for correct phase sequence and ampereage for running of motors and pumps.Note: i)Cost of lugs and thimbles is included in the job.(ii) Spares repalced shall bemeasured and paid separately. |
| 50 | Supply only following :- |
| 51 | Line contactor, AC 3 duty, 415 Volts, 50 Hz, 80 Amps Make: ABB/ Siemens/ Schneider/BCH |
| 52 | Digital soft starter suitable for 40 kW motor, 3 phase, 415 Volts, 50 Hz including one spare power control board of digital starter -Make: Siemens/ ABB/ Schneider/BCH |
| 53 | Independant Control supply transformer and fast acting semiconductor fuse of suitable rating for soft starter protection |
| 54 | LED indication lamp AC, 415 Volts , 50Hz for RYB, ON/OFF, trip |
| 55 | Push button OFF |
| 56 | Copper bus bars of suitable length & section not less than 15 x 10mm covered with coloured heat shrinkable anti track insulation tape of make Denson/ M-seal or equivalent of finished thickness not more than 1mm |
| 57 | Epoxy base post insulator |
| 58 | MCCB 3 pole, 160 Amps, 415 volts, 50 Hz, Icu- 36 kA, adjustable thermal & fixed magnetic release type |
| 59 | Multifunction digital meter compatible to measure current, voltage, power factor & frequency with 3 lines LCD display in 96 x 96 sqmm flush mounted case, accuracy class 1.0 |
| 60 | Resin cast CT 300/5A cast resin base set of 3 |
| 61 | Resin cast CT 100/5A cast resin base set of 3 |
| 62 | Capacitorof rating 12.5 Kvar |
| 63 | -do- but 10 Kvar |
| 64 | -do- but 8.5 Kvar |
| 65 | -do- but 5 Kvar |
| 66 | MCCB 3 pole, 60 Amps, 415 volts, 50 Hz, Icu- 36 kA, adjustable thermal & fixed magnetic release type |
| 67 | Digital Soft Starter 250 KW, 415V, 50Hz, AC complete all as specified and directed. Make: ABB Cat Part No: 1SFA898116R7000 / Siemens Cat Part No: 3RW4447-6BC$4 /Schneider Cat Part No: ATS22C48Q, BCH CAT No ASAB0430C/5/12/0 |
| 68 | Pressure gauge for booster pump of 120 HP as per sample complete |
| 69 | MCCB4 pole, 400 Amp, Ics = 100% of Icu, 36 KA with thermal magnetic release, adjustable thermal and adjustable magnetic setting, in replacement, complete all as specified and as directed |
| 70 | MCCB 4 pole, 250 Amp, Ics = 100% of Icu, 36 KA with thermal magnetic release, adjustable thermal and adjustable magnetic setting, in replacement, complete all as specified and as directed. |
| 71 | Material and labour for replacement of entire control wiring of star delta starter/ soft starter with 1.5 sqmm copper conductor PVC insulated cable complete all as specified and directed. Make of Wire : Finolex/Havells/Plaza |
| 72 | MCB 3 pole, 63 Amps, with 10 kA breaking capacity \"C\" curve, in replacement, complete all as specified and as directed. |
| 73 | MCB 3 pole, 40 Amps, with 10 kA breaking capacity\"C\" curve, in replacement, complete all as specified and as directed. |
| 74 | MCB 3 pole, 32 Amps, with 10 kA breaking capacity\"C\" curve, in replacement, complete all as specified and as directed. |
