Tender For 25 kv earthing/dischargerod assembly for high rise ohe with working voltage 25 kv ac traction with top clamp (suitable for 36 to 50 mm bus bar and also suitable for 10 to 20 mm dia. conductor) . pole made of cast resin or resin-bonded glass fibre, coated with three coats of poly- urethane, the discharge /earthing pole assembly shall have an overall length of not less than 7.5 meters in five equal sections. single core flexible multi strand annealed copper cable should have double insulation, a cross section of 40 sq mm of size 248/0.45 mm and 14 meter long cable (specification is: 1554 (pt. i)- 1988 and is 2071 (pt. 1 and iii). with earthing double clamp drg. no. eti/ohe/sk/482 or latest (each dischargerod is to be supplied with 02 nos. earting clamps), insulated tee junction- insulated tee junction drg no. eti/ohe/sk/481 and re/33/p/530 or latest (the cable should have an insulated tee junction and the tee clamp should be of brass covered in clamp casing of ebonite material). and whole assembly to be supplied in rugged canvas bag and all shall be as per rdso specification no. eti/ohe/51 (9/87) with latest a and c slip no. 1 (10/92) or latest , and additional part required with each dischargerod to be supply. (1) 01 nos. insulated tee junction. (2) 01 nos. top clamp made of copper suitable for 36 to 50 mm bus bar and also suitable 10 -20 mm dia conductor, (3) 01 nos. spare earthing clamp and. (4) special instruction- 1. dischargerod cable lugs should be made of copper. 2. the cable should have double insulation, a cross- section of 40 sq mm, and 248/0.45 mm strands. 3. the dischargerod should be strong enough to prevent swaying or breaking during maximum extension. every nut and bolt used in the dischargerod must include a washer and spring washer to ensure secure fastening. 5. after the award of the p.o., the firm must ensure approval of one sample of the dischargerod from the consignee before rites inspection. 6. the length of cable from the earthing clamp to top clamp shall not be less than 12.5 mtr. in the cable an insulated tee junction shall be provided at a distance of about 3.5 mtr from the earthing clamp. from this insulated tee junction another piece of cable not less than 1.50 m long shall be provided at the end of which other earthing clamp shall be provided. 7. the galvanized steel tube (threaded) used for coupling of pieces of dischargerod should be at least 20 cm or more as required to prevent swaying of pole assembly during erection at site. also at every 5 cm apart two nos steel rivet is required to be provide on galvanized steel tube ( for preventing the galvanized steel tube from coming out from each dischargerod pole end). i.e. about 08 nos. or more steel rivet as required per galvanized steel tube is to be provided for proper fastening of galvanized steel tube inside the each pole of dischargerod. (warranty period- 30 months after the date of delivery). [ warranty period: 30 months after the date of delivery ]
Tender For supply of 25 kv earthing/dischargerod assembly for high rise ohe with working voltage 25 kv ac traction in 4 equal sections (overall length should not be less than 6.7 meter) of fibre glass stick with isi marked single core flexible multistrand annealed copper cable of size 248/0.45mm and 13 meter (11.5+1.5) mtr long, each dischargerod supplied with 02 nos. gi rail clamps & top clamp (brass) suitable for 10-20 mm dia. conductor and whole assembly to be supplied in canvas bag and all shall be as per rdso spec. no. eti/ohe/51 (9/87) with latest a&c slip no. 1 (10/92). make- pec, im or sdee [ warranty period: 30months after the date of delivery ]
Tender For supply of cnc lathe machine , 3 d printer , optical 3d scanner , laser cutting machine , tig welding machine , universal testing machine , coordinate measuring machine , workbenches with vices , power tools , battery test system , lithium ion cell grading machine , laminar flow station , ate , signal generator , spectrum analyzer , soldering desoldering station , multimeter and lcr meter , pcb etching and rework station , portable laser engraver , rugged laptop for cnc lathe machine laser cutter utm cmm cell grading system ate and signal generator , desktop based cad cam software , hardware for cad cam software , equipment stand , ergonomic chair , 3d printer large format , environment control and cooling unit , storage racks , vinyl backlit board , display unit , training videos , fire fighting equipment , 15 kva ups battery bank 02 ups 20 batteries per ups , 3d printing kits and raw material , cnc lathe raw materials , training and support , earthing and electrical work , electro static discharge management , air curtain , warranty and amc , fire detection systems for complete facility 20 x 30 sq mtr , accessories for r and d facility , stand fan , exhaust fan , extension board , stabilizer for cooling unit , window blinds with channel casing , multimedia projector , wireless hdmi transmitter , cctv system , digital photoframes , podium with mic , usb slide presenter , wireless mic for podium , audio device for trg , mfd multi function device , digital camera , vacuum cleaner , floor mats , stainless steel perforated bins , mosquito repellent machine , wall clock , water dispenser , wooden visitor table and chair , pigeon racks for storage ) /bid number : gem/2026/b/7086212 * /dated: 08-01-2026 & & / bid document 1 / 51