Urgent Electrical Maintenance Works at Pookode Campus-Supply,installation, testing, and commissioning of 25 Nos. LED street lights and 3 Sets of AB switches with accessories

OD73031/2026-2027:Supply, installation, testing and commissioning of 11 kV, 200 A, 3-pole, outdoor type Gang Operated Air Break (GOAB) switch suitable for 50 Hz AC overhead distribution systems, complete with silver-plated electrolytic copper fixed and moving contacts, porcelain post insulators, arcing horns, hot-dip galvanized steel base frame, operating shaft and all associated mechanical linkages for simultaneous operation of all three phases. The work shall include providing and fixing of hot-dip galvanized MS channel cross arms, pole clamps, 32 mm Class-B GI operating pipe with lockable operating handle assembly, jumper conductors, aluminium PG clamps, stay set comprising 19 mm GI stay rod, 7/3.15 mm GI stay wire and egg type stay insulator, 25 mm × 3 mm GI earth strip, earthing clamps, 11 kV danger board, anti-climbing device, phase identification plates, pole number plate, nuts, bolts, washers and all other accessories necessary for complete installation. The GOAB switch shall be suitable for mounting on PSC/RCC poles or steel structures and shall provide a visible isolation gap in the open position. The entire assembly shall conform to IS 9921 (Part 1) and IEC 62271-102 standards. The scope of work shall also include dismantling of the existing 11 kV AB switch, erection of the new switch, alignment, adjustment, testing and commissioning to ensure safe, reliable and satisfactory operation of the 11 kV distribution system. Existing serviceable components such as PSC/RCC poles, cross arms, operating pipe, stay arrangement and earthing system shall be inspected and reused wherever found suitable, thereby minimizing replacement of reusable materials. All works shall be completed including labour, tools, tackles and incidental materials required for proper functioning of the installation.

OD83049/2026-2027:Supply, installation, testing and commissioning of 11 kV (12 kV class), 200 A outdoor gang-operated expulsion type Drop-Out Fuse (DO Fuse), complete with polymer/porcelain insulators, fibre glass (FRP) fuse tube, silver-plated copper contacts, hot-dip galvanized steel mounting hardware, arcing horns, terminal connectors and all accessories, including 30 A T-Type time-delay expulsion fuse link, suitable for distribution transformer primary protection, conforming to IS 9385 (Part 3) and IEC 60282-2, complete in all respects.

OD83050/2026-2027:Supply, installation, testing and commissioning of 11 kV (12 kV class), 200 A outdoor gang-operated expulsion type Drop-Out Fuse (DO Fuse), complete with polymer/porcelain insulators, fibre glass (FRP) fuse tube, silver-plated copper contacts, hot-dip galvanized steel mounting hardware, arcing horns, terminal connectors and all accessories, including 30 A K-Type expulsion fuse link, suitable for feeder/incoming HT panel protection, conforming to IS 9385 (Part 3) and IEC 60282-2, complete in all respects.

OD83101/2026-2027:Supply and installation of 11 kV porcelain pin type insulator complete with GI pin, nuts, washers and mounting accessories, conforming to IS 731, complete in all respects.

OD83111/2026-2027:Supply and installation of 11 kV porcelain disc-type suspension/strain insulator complete with galvanized steel hardware, conforming to IS 731 and IEC 60383, complete in all respects.

OD83127/2026-2027:Supply and installation of 11 kV (12 kV class), 9 kA gapless metal oxide polymer lightning arrester complete with mounting bracket, terminal connectors, and galvanized hardware, conforming to IEC 60099-4 and IS 3070 (Part 3), complete in all respects.

OD83154/2026-2027:Dismantling of existing 11 kV pole-mounted metering equipment and 11 kV GOAB switch, including disconnection of HT jumpers, operating mechanism, mounting hardware and accessories, complete in all respects, and transporting serviceable materials to the departmental store and disposing of unserviceable materials as directed by the Engineer-in-Charge.

OD83333/2026-2027:Supply of Portable Earthing (Grounding) Kit suitable for 11 kV (12 kV class) overhead lines and HT equipment maintenance, comprising three heavy-duty bronze/aluminium alloy phase earthing clamps suitable for ACSR/AAAC conductors, one heavy-duty brass/bronze earth clamp suitable for connection to earth rod/earth flat/structure, 35 sq.mm extra flexible electrolytic copper PVC insulated earthing leads of adequate length with tinned copper compression lugs, tinned copper junction block for interconnection of phase and earth leads, FRP insulated operating rod (hot stick) of 2.0 m length suitable for safe application and removal of earthing clamps on live-line equipment after isolation, heavy-duty waterproof canvas carrying bag with compartments, stainless steel nuts, bolts, spring washers, identification tags and all necessary accessories. The complete kit shall be suitable for use on 11/12 kV systems with a minimum short-time current withstand capacity of 9 kA for 1 second, and shall conform to IEC 61230 (Portable Equipment for Earthing and Short-Circuiting) or equivalent applicable standards, complete in all respects and ready for use.