Mumbai Central Division - Electrical (Power) work in connection with rehabilitation & reliability improvement signaling work in connection with IPS replacement for power supply at 15 locations in LC gate/ auto huts.

Supply of split type precision ACs of 2TR capacity, single phase or three phase as per site requirement, with 1 high performance split type cooling units suitable for critical technology / equipment room featuring robust design to run 24x7, Auto-Restart function, monitoring with unit to unit communication and ease of service, complete with indoor and outdoor units, microprocessor based controller and other accessories, as per specifications in Annexure I.

Supply, fixing, testing & commissioning of interconnecting copper piping of size as per OEM's 2 recommendations, min. size 3/8" outer dia. for discharge line & 5/8" outer dia. for suction line, & with insulation, between indoor and outdoor units as per site requirement, complete with hardware fittings, as per specifications in Annexure II. (Qty Unit - RM = (Running Meter)

"Supply, fixing, testing and commissioning of PVC insulated & sheathed copper cable flexible multi-strand, 3 1100 Volt grade, FRLS wires, confirming to IS: 694 of 2010 or latest / IEC / NEC / NFPA Standards, ISI marked of reputed make, for interconnection to indoor and outdoor unit. The connection shall be made with suitable bi-metallic crimping sockets of proper size & rating. The cable shall be fixed with proper workmanship. Cable size: 2.5 sq.mm., 4 core."

"Supply, fixing, testing and commissioning of PVC insulated & sheathed copper cable flexible multi-strand, 4 1100 Volt grade, FRLS wires, confirming to IS: 694 of 2010 or latest / IEC / NEC / NFPA Standards, ISI marked of reputed make, for remote cabling of precision ACs. The connection shall be made with suitable bi-metallic crimping sockets of proper size & rating. The cable shall be fixed with proper workmanship. Cable size: 1.5 sq.mm., 7 core." (Qty Unit - RM = (Running Meter)

Fabrication, supply and fixing of M.S. stand for condensing unit (outdoor) / cooling unit (indoor) of precision Acs, as per Annexure III.

"Supply and fixing of drainage CPVC pipe line of plumbing grade conforming to Standard - IS 15778, Class- SDR 11, ISI marked, with threaded type accessories. Nominal bore size - 25 mm, thickness - 2.6 mm minimum with 6 tolerance 0.51 mm or Nominal bore size - 40 mm, thickness - 3.8 mm minimum with tolerance 0.51 mm. Size of the pipe shall be decided by the SSE as per site requirement. PVC pipe line shall be fixed by PVC/G I saddling with proper slope so as to drain out the condensate water easily. Drainage pipe line should be terminated at the nearest drain. The work shall be done with proper workmanship." (Qty Unit - RM = (Running Meter)

Supply and fixing of flexible pipe to drain water. The drain pan shall be connected to rigid PVC pipe by braided PVC flexible pipe with appropriate adapters. (Qty Unit - RM = (Running Meter)

Installation, testing & commissioning of precision ACs of 2TR capacity complete with indoor and outdoor units and all other accessories, as per specifications in Annexure IV.

Supply of refrigerant gas R407C or R410a / Environment friendly refrigerant as recommended by AC machine OEM.

Supply of material and providing light/fan point concealed wiring, with single core multi-strand copper wire, PVC insulated unsheathed, LSHF / ZHFR, of size 1.5 sq.mm. for phase, neutral & earth wire and modular switches, complete with all accessories, junction box, ceiling rose etc, as per specifications in Annexure V.

Supply of material and providing main/ submain concealed wiring with single core multi-strand copper wires, PVC insulated unsheathed, LSHF / ZHFR, of size 2.5 sq.mm., with set of 3 wires for phase, neutral & earth wire, as per specifications in Annexure VI. (Qty Unit - RM = (Running Meter)

Supply of material and providing main/ submain concealed wiring with single core multi-strand copper wires, PVC insulated unsheathed, LSHF / ZHFR, of size 4.0 sq.mm., with set of 3 wires for phase, neutral & earth wire, as per specifications in Annexure VI. (Qty Unit - RM = (Running Meter)

Supply and fixing of modular concealed mounting box of six module, with suitable modular base plate and cover, for fixing of modular switches, sockets etc., as per specifications in Annexure VII.

Supply and fixing of modular concealed mounting box of twelve module, with suitable modular base plate and cover, for fixing of modular switches, sockets etc., as per specifications in Annexure VII.

Supply and fixing of modular concealed mounting box of sixteen module, with suitable modular base plate and cover, for fixing of modular switches, sockets etc., as per specifications in Annexure VII.

Supply, fixing, testing & commissioning of modular socket 3 pin of 10A capacity with 10A one way modular switch, as per specifications in Annexure VIII.

Supply, fixing, testing & commissioning of modular power socket 3 pin twin heavy duty of 10/20 A capacity with 20A one way modular switch having neon indicator, as per specifications in Annexure IX.

Supply, fixing, testing & commissioning of DP MCB (6-40A) in m.s. enclosure, as per specifications in Annexure X.

Supply, fixing, testing & commissioning of MCB DB single phase with RCBO, m.s. enclosure, I/C-DP RCBO of 40Amp - 1No, O/G: SP MCB of 6A-32A - 8Nos, as per specifications in Annexure XI.

Supply, fixing & commissioning of MCB DB three phase with RCBO, I/C: - FP RCBO of 63Amp - 1No and O/G: SP MCB of 10-32 Amp - 12Nos,., enclosure made of non metallic polycarbonate thermoplastic material, IP 65 weatherproof, as per specifications in Annexure XII.

Supply, fixing, testing & commissioning of 100A 4P RCBO with 100mA sensitivity, in m.s. enclosure, as per specifications in Annexure XIII.

Supply of energy efficient BEE 5 star rated BLDC ceiling fan 1200mm (48") sweep, with down rod and standard accessories, fan & regulator shall be compatible to work with various makes & models, as per specifications in Annexure XIV. (Minimum Warrantee - 2 years)

"Fixing & commissioning of ceiling fan on existing M.S. hook: 1. The fan shall be installed complete with accessories & safety device e.g down rod, blades, canopies, rubber insulator, split pin & nut bolt with spring washers. If 23 required size and length of down rod is different than original OEM make, then down rod will be supplied by the Railway. 2. The fan shall be connected with the supply point (within 3 mtr distance) using PVC insulated & sheathed copper wire 03 core 1.5mm2 size, LSHF / ZHFR, conforming to IS 694/2010 or latest and ISI marked, in PVC pipe or as per site conditions, with proper workmanship. (The ceiling fans will be supplied by Railways, transportation to site will be done by the firm from Mumbai central)."

"Supply, fixing, testing & commissioning of 5 step fan regulator electronic modular stepped type, compatible to work with various makes & models of BLDC ceiling fans: 1. Ceiling fan's electronic modular stepped type regulator shall 24 be of minimum 100 watts capacity suitable to work on 230 volts single phase AC supply. 2. Regulator should be compatible to work with various makes & models of BLDC ceiling fans. 3. Stepped regulator shall be fixed on modular board & connected with ceiling fan's piano controlling switch, shall be suitable for flush mounting on switch board, necessary internal wiring is included in the scope of work."

Supply, fixing, testing & commissioning of super energy efficient BLDC motor industrial exhaust fan of size 300mm (12") sweep and standard accessories, as per specifications in Annexure XV. (Minimum Warrantee - 2 years)

Supply, fixing, testing & commissioning of indoor type LED luminaires 20W (maximum, including driver), 4 ft 26 long, System efficacy greater than or equal to 110 lm/W, Lumen Output greater than or equal to 2000 lumens, Colour consistency CRI greater than or equal to 80, Driver Surge protection greater than or equal to 2.5KV. Luminaire should have Class B serviceability (i.e., the driver can be replaced or maintained at site). Luminaires complete with all accessories and other specifications as per Annexure XVI. (Minimum Warrantee - 5 years)

"Supply, fixing, testing & commissioning of LED street light lumaires 45W maximum, whether proof having IP 65/66 protection, System efficacy greater than or equal to 120 lm/W, Lumen Output greater than or equal to 5400 lumens, 27 Colour consistency CRI greater than or equal to 70. Driver Surge protection greater than or equal to 4KV, The luminaire should have a potted driver, mounted inside the luminaire. Luminaire should have Class B serviceability (i.e., the driver can be replaced or maintained at site). Luminaries complete with all accessories and other specifications as per Annexure XVI. (Minimum Warrantee - 5 years)"

Supply of XLPE insulated, PVC sheathed, armoured 1.1 KV grade, multi-stranded copper conductor cable of size 35 mm² x 4 core, as per specifications in Annexure XVII.

Excavation of the cable trench in normal soil under rail/ road and refilling back the excavated earth, restoring /repairing of flooring after lying of cable, as per specifications in Annexure XVIII.

Excavation of the cable trench in hard soil under rail/ road/rocky soil / platforms (stone/RCC/Rock) and refilling back the excavated earth, recasting of flooring after lying of cable, as per specifications in Annexure XIX.

Provision of horizontal boring underneath railway track to suit insertion of 200mm nominal bore pipes at depth of 1.5 meter below the rail level, by mechanised method, and uPVC/FRP pipe of size 200 mm nominal dia., 6mm thick min., as per specifications in Annexure XX.

Supply of material & installation of maintenance free earth electrode of length 3 meter, including earth enhancement material for earthing for each electrode & other accessories as per Drg. No. SDO/ RDSO/ E&B/001 and RDSO Spec No. RDSO/SPN/197 /2008, as per Annexure XXI.

Supply, fixing, testing & commissioning of G.I. strip 25mm x 6mm for earthing, including cutting, bending, welding, excavation etc., as per specifications in Annexure XXII.

Supply of aluminum ladder of size 6 feet height (when open), double sided, made from aluminum section of minimum size - 66 x 31 x 3.15 mm thickness, 5 steps of 1 ft. width min., two way climbing, Top platform min. size 10" x 14", complete with anti-skid solid rubber at bottom, as per specifications in Annexure XXIII.

Supply of aluminum folding ladder of size 10 feet height (when open), double sided, made from aluminum section of minimum size - 66 x 31 x 3.15 mm thickness, 9 steps of 1 ft. width min., two way climbing, Top platform min. size 12" x 16", complete with anti-skid solid rubber at bottom, as per specifications in Annexure XXIV.