tender for routine maintenance work of milling system of unit 4 and 5 of 2x500mw, btps, anpara - routine & preventive maintenance of raw coal feeder and seal air fans. 4 routine & preventive maintenance of ball mills and their lubricating system. 5 part-ii 6 unloading of steel ball at site from the trucks and charging in the ball mills through the system. 7 unloading of steel balls at site from the trucks and charging in the ball mills through man hole/ trunion tube. 8 collecting scrap material and drums from bmd-ii, btps site scrap yard, picking/stacking it category wise e.g. m.s., s.s., c.i., alloy steel, mixed steel and empty steel ball drum, old & used s.tak 40, off size grinding media steel ball drum etc. then transportation from site scrap yard to central scrap yard by tractor trolley/truck, hydra for loading/ unloading of heavy scrap material. tractor trolley/ truck, hydra shall be provided for the transportation purpose by the nigam free of cost. 9 part-iii 10 attending fault of coc including rectification/ joining of the coc (clean out conveyor )chain. 11 removal of foreign material e.g. bunker grating, steel plate, stare cases, impregnated rubber padsetc by cutting pulling from r c feeder body/ centre pipe of ball mill 12 part-b 13 cleaning of various grills, platform, stairs and hand railing of boiler from ‘o’ meter to ‘15’meter 14 cleaning of various grills, platform, stairs and hand railing of boiler from ‘15’meter to ‘22’meter 15 cleaning of various grills, platform, stairs and hand railing of boiler from ‘22’meter to ‘35’meter 16 cleaning of various grills, platform, stairs and hand railing of boiler from ‘35’meter to ‘49’meter 17 cleaning of various grills, platform, stairs and hand railing of boiler from ‘49’meter to ‘57’meter 18 cleaning of various grills, platform, stairs and hand railing of boiler from ‘57’meter to ‘75’meter 19 cleaning of entire coal pipe from outlet of mills to boiler 20 cleaning of dust bin of boiler are(a)dust bin near gate of tg#5 towards compressor house(b)dust bin behind passenger lift. 21 bmd-ii, area 22 cleaning and water washing of area ‘o’ meter from h row to wall along esp hopper area (north side 23 cleaning and water washing of boiler area from drain along esp hopper (north side) to facing beyond chimney. 24 cleaning and water washing of floor around the scrapper conveyor (h to k row) 25 cleaning of complete 15 meter area rc feeder floor. 26 cleaning of ball mill platform and ‘o’mtr floor including the removal of oil grease etc. 27 cleaning and water washing of boiler area beyond unit no.#5 mill and ssc area up to fencing including material/scrap yard up to f.o.p.around chimney. 28 cleaning and water washing of boiler area between unit no. 4&5 including row from cpp building up to around chimney. 29 cleaning and water washing of boiler area (west side) from column 3 to the area up to the conveyor 05a/b from h row to the ash slurry pump house (only cemented floor 30 cleaning of all cable tray hot & cold air duct and related structure at ‘o’ meter level to r.c.feeder floor of mill site (from a to h mill) 31 (a)from dte of start of work to completion of work 32 (b)from 16th march to 15 july (one additional job daily of separate work indent as per requirement) 33 cleaning of various drain covered with grill etc, in boiler area by removing the cover and putting the cover to their position (width varying from 36 cm to 73 cm, depth 45 cm to total length 1122 mtr. 34 cleaning of various drain without covered with grill etc. in boiler area (width varying from 30 cm to 67 cm different depth as 45 cm to 60 cm & 75 cm total length 375 meter. 35 cleaning of big size drain with cover in boiler area width 1 mtr. depth 1 mtr, length 70 meter 36 collection of garbage from boiler area and their disposal at least 1-2km away from the chimney 37 part-c 38 the work of cleaning of coal dust under the ball mill drum enclosure and its proper collection at some place outside the enclosure of unit no 4 & 5, 2 x 500 mw, btps, anpara. 39 the work of transportation of coal dust/ raw coal from ball mill area/ r c feeder floor site, to the designated place in the coal yard of a/btps, anpara(with the help of tractor -trolley) 40 part-d 41 running and up keeping of portable centrifuging machine mab-206/103 of m/s alfa laval make for centrifuging of oil (servo mesh sp 460 &servomesh sp 220) used in milling system of bmd-ii,btps, anpara including handling of oil drums from site store to each mills. 42 overhauling of centrifuging machine mab-206 of m/s alfa laval make.