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Tender For heavy duty circular magnet with following specification 1. application- circular lifting magnet suitable for lifting cold as well as hot ferrous material up to 600?c in a foundry environment 2. operating voltage-220vdc 3. cold current- max.105 amps 4. cold power- min. 18.5 kw 5. self weight- total self-weight of the magnet shall not exceed 5 tons, inclusive of suspension chain, master bail, lugs, pins, and all other accessories 6. duty cycle- min 50% at a 10-minute cycle 7. magnet diameter- 1650 mm with tolerance of -25.5 mm/+50 mm 8. minimum lifting capacities- the lifting capacities of the magnet shall not be less than the following: a) pig iron (1 hm)-2359 kg, b) pig iron (2 broken)-1225 to 1497 kg, c) steel turnings-771 kg 9. magnet conductor & insulation- magnet conductor shall be made of premium electrical-grade copper, minimum copper purity shall be 99.99%, coil insulation shall be class "h" 10. magnet body construction- the magnet shall be made of high-grade cast steel, of welded construction, and shall be waterproof and mechanically robust, suitable for heavy-duty foundry applications 11. bottom plate & sealing plate- a)heavy duty non-magnetic bottom plate and sealing plate shall be provided,b) material shall be wear-resistant, work-hardened manganese steel, c)plates shall protect the coil from damage due to impact, abrasion, and bumping 12. suspension chain assembly- a)heavy duty, annealed alloy steel, 3-legged chain shall be provided, b)chain shall be complete with a master bail suitable for crane hook suspension. heavy-duty lugs & pins shall be provided toconnect the chain to the magnet 14. surge protection? a suitably rated surge suppressor shall in the magnet circuit 15. testing & test certificates? all relevant tests and test certificates shall be submitted along with the supply. specn: 1. cold current: max 105amps, 2. cold power: 18.5 kw 3. self weight less than 5ton inclusive of chain, bail and other accessories. duty cycle: min. 50% at 10minutes cycle 5. diameter of magnet: 66inches -1 inch +3inch. 6. lifting capacities shall not be less than (a) pig iron1hm - 2359kgs) (b) 2 broken pieces: 1225 (c) steel turnings: 771kg ]
Tender For corrigendum : supply and delivery of borewell materials in 11,12,13,14,15 & 17 under ae-9 section (recall)- 32mm dia gi couplings , 900mm dia rcc collars , chain with couplings , connecting rod 12mm dia 3mtrs length (electro galvanizing bright bar)along with m 12x50 long and m 12 x 20 long hex couplers at either end welded , cylinder assembly (complete unit inclusive of stainless steel plunder rod 12mm dia with nitrile rubber pump bucket , handle assembly (with out axle) , handle axle with two nuts and one washers 4mm thick , head assembly with threadplate including cover and cover bolts , lower valve , lower valve washers , manufacture, supply and delivery of r.c.c. collars conforming to b.i.s. 458/2003 (rate per each collar) suitable for r.c.c. plain ended pipes including transportation but excluding all taxes. 700mm dia rcc collars , stands , supply and delivery of bolts and nuts including cost and conveyance of all materials and all types of labour charges etc.complete as per ss , supply and delivery of borewell hand pump spares specials and tools including cost and coveyance of all type of necessary charges and all type of charges to site etc., 32mm dia gi b-class pipes per rm , supply and delivery of borewell materials as per tender process 198 1rmt 454.46 89983 , upper valve , upper valve washers , water tank assembly
Tender For supply and delivery of chemicals and glassware for the 15 (fifteen) nos. laboratories in the district of south 24 parganas under alipore division, p.h.e. dte. for the period of 180 (one hundred eighty) days. (2nd call) - glassware & other things required for 15 laboratories of alipore south 24 paganas district for 6 monthsample bottle(pbc)(200ml), sterile sample bottle(tarsons)(100ml), aluminium foil 9mt- hindalco/equivalent, tissue paper (medium)- 2x21mt, nitrile gloves(7.6")(100ps), zinc cutter, lighter for mft, lab aprone superior quality,xl size, mask (pollution mask acid fume protected), lab shoe (pair), first aid kit comprises of absorbent cotton (100gms), antiseptic liquid(1no), leucoplast, t-bact/ silverx/similar(10gm),scissors, starile cotton gauge(5 nos), tobe supplied with in covered box, bacteriologychromogenic coliform agar, for simulteneous determination & count of escherichia coli and total coliforms in water samples as per iso 9308-1:2014, 100 gm pack, consumables for bacteriological analysis by mf technique, membrane filter- cellulose nitrate, sterile- individually packed, white membrane, gridded, 47mm dia, 0.45 micron porosity, pack of 100 circles, consumables for bacteriological analysis by mf technique, radiation sterilie plate 15x60mm, 250 nos a pack, total hardnessedta n/50 solution, for total hardness analysis (500ml/pack) 500 ml pack, ammonia buffer solution for total hardness analysis (500ml/pack), phph buffers - 25 c : clear, colourless ph buffer solutions. tested at 25 c and certified by iso 17025 accredited test method. nist/metrological traceable, ph: 4.00 0.01@25 c in 500 ml, ph buffers - 25 c : clear, colourless ph buffer solutions. tested at 25 c and certified by iso 17025 accredited test method. nist/metrological traceable, ph: 7.00 0.01@25 c in 500 ml, ph buffers - 25 c : clear, colourless ph buffer solutions. tested at 25 c and certified by iso 17025 accredited test method. nist/metrological traceable, ph: 10.00 0.01@25 c in 500 ml, conductivity & tdssupply of conductivity/tds standard-25˚c certified by iso 17025 accredited test method, nist traceable 1431us/cm at 25˚c in 500 ml botttles, ironreagent suitable for spectrophotometric analysis of iron in potable water, min range 0.02-3.00 mg/l soluble iron (1000 tests/pack), iron standard solution 1000 mg/l traceable to srm from nist traceable (125 ml/pack), manganesereagent suitable for spectrophotometric analysis of manganese in potable water min range: 0.01-0.7 mg/l of manganese, (250tests/pack), manganese standard solution traceable to srm from nist traceable (125 ml/pack), residual cisupply, delivery demonstration of residual chlorine kit complete with comparator box with continuous colour scale disc for residual chlorine & total chlorine analysis, range/graduation: 0/0.2/0.4/0.6/0.8/1.011.211.4/1.6/1.8/2.012.5/3.0/3.5/4.0, . to besupplied with unbreakable cells, frosted on two sides 13.5 mm path length, volume 10 ml, with lid, easily dispersible dpd tablet for residual chlorine- 530nos & dpd tablet! for total chlorine-30 nos, tablet crusher, carrying box, operating manual. total residual chlorine test should not be less than 530 tests.delivery & demonstration to be made at different places of west bengal as perdirection of engineer- in-charge. make: lovibond|merck, dpd tablet for residual chlorine, easily dispersible, suitable for comparometric determination, pack of 250 tabs, arsenichydrochloric acid min: 36.5%, analytical quality & acs grade, arsenic content: 0.01 ppm max. (500ml/pack), tin (ii) chloride dihydrate analytical quality solubility: 10% solution in dil. hcl should be clear & assay: min. 99.00%, (100gm/pack), zinc granules (arsenic free, as content: 0.00001% max) (500gm/pack), silver diethyldithiocarbamate for arsenic analysis, acs grade assay: 99% min (5 gm/pack), chloroform analytical quality, dry solvent, water content maximum: 0.01% max (500 ml/pack), arsenic standard solution traceable to s
Tender For supply of threadplate, as per drawing: 4 10113.0.21.000.109_r, packing instruction: -pi011. [ warranty period: 30 months after the date of delivery ] ]
Tender For corrigendum : supply of threadplate, as per drawing: 4 10113.0.21.000.109_r, packing instruction: -pi011. [ warranty period: 30 months after the date of delivery ] ]
Tender For manufacture and supply of cast manganese steel crossing (bg) 1in8.5 for 60e1 rail on psc sleepers to rdso/drg. no.t-4967 alt.10 and conforming to irs specification no.t-29 (revised -2024) and t-10-2025. cms crossing will be supplied with all fittings as mentioned in annexure -a." [note: for use of 1.0m long fish plate to rdso/drg. no. t-5916, one end of the fish plate shall be suitably cropped and cropping shall not exceed 30mm ]