tender for Repairing And Overhauling Of Drive Head Assembly, Agitator And Scrapper Unit Along With Other Allied Works Of Mechanical Flocculator (Mf No. 6) And Plate Settler (Ps-6) Of Wtp-Ii (10 Mgd) At Padmapukur Under Howrah Municipal Corporation. - 1 Taking out and removing silt from the bottom of well after bailing out water, removing moss and weed from the well surface (by wire brush) and disinfecting the well complete.(i) Well depth 9 metre to 12 metre (g) Dia of well 2.85 m to 3 m 2 Supply and fabrication of new stainless steel plate/flat (AISI - 304) of suitable size on seal beam / roller track/ slide track/ side seal seats/ top seal seat by welding (SS) as per direction of the Engineer- in-charge including cost of Materials, Machinaries , Manpower, Cutting, Aligning, Welding, Finishing, Consumables, Carriage and all overheads with all leads and lifts complete as per specification. 3 M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m 4 Supply & Deliveryof Ball Bearing -No-6019/C4. 5 Supply & DeliveryofThrust Bearing -No-51113. 6 Supply & DeliveryofBearing-6204-2Z/VA201 7 Supply & DeliveryofBearing-30304 8 Supply & DeliveryofTapered Roller Bearing-32218 J2/Q 9 Supply & DeliveryofTapered Roller Bearing-30207 J2/Q 10 Supply, installation, testing and commisioning of following items for hoisting system and gear box as mentioned bellow as per direction including cost of materials, machinaries, manpower, cutting, machining, aligning, anchoring, welding, finishing, consumables,Carriage and all overheads with all leads and lifts complete as per specification ( without painting) 11 Base frame (MS) (item no. i) 12 Shaft /Pin with key ways made of ss-304 (item no.v) 13 Plumber block / Pillow blocl/ Bearing housing (FG 400) (item no.vi) 14 Coupling (Mat: C45) (item no. vii) 15 Sheve/Pulley(CS) (item no. xiv) 16 Bush(GM) (item no. xvi) 17 Gear and Pinion ( Forged steel)(item no. xxi) 18 Servicing of headstock assembly i.e. opening the hand wheel from screw rod, including opening the thrust bearing from top and bottom thrust plate of bearing housing, nut, coller etc and cleaning all the components with the help of Kerosine and emery paper and re-fitting the same including changing necessary nuts & bolt after greasing the thrust bearing if Ok otherwise replaced by new one (excluding the cost of bearing, supplied separately) and fileing work if required for fixing to the pedestal upto the satisfaction of E.I.C. The cost includes cost of materials, man power employed, kerosene, grease, consumables like emery paper, cloths, blots & nuts, hire chargesof tools & tackles etc. 19 Oiling greasing of hoisting gear boxes ( for rope drun and chain hoist) ofregulator gates of canal/rivers by cleaning, checking,greasing /lubricating the gears, plummer bocks, bearings, manual drive etc including all charges of man and materials which include oiling greasing refilling of gear oil excluding supply of gear oil and grease and fixing of damaged oil seals & missing nuts & biltsetc complete as per direction of EIC.( Gear oil and Grease provided Extra) 20 Servicing/ Overhauling of Driving Motor 2 HP/ 3 HP, Heat burnishing to achive desire IR value with all rectifisations/ replcement of damaged bearings, alignment checking, connections and terminal wires as per the desired standard and to the satisfaction of E.I.C. 21 Rewinding with approved quality Super Enamel copper winding wire of standard guage as provided by motor manufacturer including slot insulation as per Indian Electrical Rules, shouldering the cable joints properly, taping with 660 V. Grade water proof tape, making new loop terminals heating and vernishing with E class golden vernish (Jhonson & Nicolson make) so as to develop original rated rpm, supplying all necessary materials as mentioned above and reassemblying the motor (a) 3 H.P./5 H.P. 3 Phase, 410-440 votls, 50 Hz, 2/4 pole induction Motor (i) Supply of super enamelled dual coated copper wire conforming IS 13730, 1996, part 13 (18 swg to 22 swg). required max. weight of super enamelled copper wire is given as:For Crompton/NGEF/Sabar/Anil Venus etc. - 3.6 Kgs 22 (ii) Labour charge for rewinding, soldering, heat varnishing, bearing changing, reassemling etc. including supply of all materials excluding bearing as mentioned above complete in all respect as per direction of E.I.C 23 Cost for supplying and fitting fixing of Flat rubber seal (Make : Universal Moulders & Engineer/Popular Rubber Works (Pvt) Ltd/ SAB Industries/Unique Polymer Works/equivelant approved make conforming to lS : 11855 -2011/Latest Revision) for different types of gate shutter as per direction of E.I.C. The cost includes cost of man power employed for fitting fixing, cost of rubber seal, hire charges of tools & tackles, scaffolding and safety equipments etc including carriage loading & unloading but excluding supply of ms clamp/ flat plate, bolts, nuts and washer. Size-100 x 12 mm 24 Painting hoist structural components, tressle bridge ,crane, lifting beam, cat work bridge and other similar structure on prepared surfaces with two coats of zinc phosphate primer (airless spray preferred) 40 microns/coat and followed by two coats of synthetic enamel paint 25 microns/coat including cost of all materials, labour, scaffolding etc., complete with all leads and all lifts. 25 Add:GST @ 18% 26 Add: LWC @ 1% 27 Less: Scrap value @5% for sl item no. 2 to 10 (i to vii) and @8% for sl item no.14 will be deducted from the final tendered amount during billing.
