Ernakulam Marshalling Yard - Augmentation of water supply scheme by provision of OHT of capacity 200 Kilo Litres and 100 Kilo Litres GLR - Electrical arrangements

I-Pumping & wiring arrangements

Supply, erection, testing and commissioning of 10 HP vertical open well submersible 1 pump set: ISI marked, star rated, water cooled and water lubricated capable of discharging water up to a head 40m delivery size: 65mm with cast iron impellers and stainless steel shaft suitable for operation in 3 phase 415V.

Supply, erection, testing and commissioning of 7.5 HP bore well submersible pump 2 set: ISI marked, star rated, water cooled and water lubricated capable of discharging water up to a head 140m and delivery size: 50mm with noryl impellers and stainless steel shaft suitable for operation in 3 phase 415V supply

Fabrication, supply, erection, testing & commissioning of wall mounting type indoor cubicle panel fabricated out of powder coated 14 SWG CRCA sheet comprising of 1 No. 100A 4 Pole 3 MCCB 25 kA as incomer, 4 Nos. 25x5 mm copper bus bars, 2 Nos. 40A TP MCBs (D Curve) as outgoing, 2 Nos. star delta starter (7.5 HP), 2 Nos. of timer, 2 Nos. 40A contactors, 2 Nos. single phasing cum dry run preventor, 2 Nos. of 5 KVAR PF correction capacitors, LED indicator lamps with fuse unit, selector switches, single phase analog ammeter-3 Nos., 1 No. multifunction meter etc. completely pre-wired including connection of cables

Fabrication, supply, erection, testing & commissioning of wall mounting type cubicle panel fabricated out of powder coated 14 SWG CRCA sheet comprising of 1 No. 100A 4 Pole MCCB 4 25 kA as incomer, 4 Nos. 25x5 mm copper bus bars, 2 Nos. 63A TP MCBs (D Curve) as outgoing, 2 Nos. star delta starter (10 HP), 2 Nos. of timer, 2 Nos. 63A contactors, 2 Nos. single phasing cum dry run preventor, 2 Nos. of 7.5 KVAR PF correction capacitors, LED indicator lamps with fuse unit, selector switches, single phase analog ammeter-3 Nos., 1 No. multifunction meter etc. completely pre-wired including connection of cables

Supply & fixing of double chambered float switch with 3 core cable for automatic operation of pump

Supply and fixing of Cast iron, double flanged, ISI marked sluice valve 65 mm

Supply and fixing of Cast iron, double flanged, ISI marked sluice valve 50 mm

Supply and fixing of Cast iron, double flanged, ISI marked non-return valve 65 mm

Supply and fixing of Cast iron, double flanged, ISI marked non-return valve 50 mm

Supply and fixing of 65 mm dia Schedule 40 UPVC pipe using suitable fixing hardware

Supply and fixing of 50 mm dia Schedule 40 UPVC pipe using suitable fixing hardware

Supply & fixing of 90 degree heavy duty Schedule 80 UPVC bend suitable for 65 mm UPVC pipe

Supply & fixing of 90 degree heavy duty Schedule 80 UPVC bend suitable for 50 mm UPVC pipe

Supply & fixing of Schedule 80 UPVC flange 65mm

Supply & fixing of Schedule 80 UPVC flange 50mm

Supply & fixing of Schedule 80 UPVC 'T' 65mm

Supply & fixing of Schedule 80 UPVC 'T' 50mm

Supply of copper submersible cable of 3 core X 6.0 sqmm of reputed make

Supply of copper submersible cable of 3 core X 2.5 sqmm of reputed make

Supply of HDPE Pipe 32 mm dia, pressure rating up to 4 PN (Material gradePE 63) as 20 per IS4984/1995 and laying in the excavated cable trench/fixing along building wall/fixing along UPVC pipe duly threading 6 sq.mm and 2.5 sq.mm flat submersible cables and termination at either ends as required at site

Transportation & erection of rail arrangements over and across the open well/bore well/GLR for facilitating lifting/lowering of pump set (Rail will be supplied free departmentally)

Supply & fixing/tying of ISI marked twisted chord poly propylene submersible marine rope 18mm

Supply, erection, testing and commissioning of sinlge phase, 12 way, double door IP 23 43 protected, CRCA sheet manufactured, powder coated MCB distribution board complete with insulated phase bus bars/neutral bars with shrouds, earth bars, cement spill protector etc. fitted with 1 No. 40A,DP MCB and 1 No. 40A 30mA DP RCCB as incomer, 8 Nos. 6A SP MCBs as outgoing completely prewired. All cables should be properly terminated in tin coated copper lug

Supply & drawing of PVC insulated copper cable of size 2.5 sq.mm three runs (1 run as earth wire) through PVC conduit including termination in a standard manner as required at site (supply & drawing of three runs of 2.5 sqmm is treated as 1 Metre)

Supply & drawing of PVC insulated copper cable of size 6.0 sq.mm three runs (1 run as earth wire) through PVC conduit including termination in a standard manner as required at site (supply & drawing of three runs of 6.0 sqmm is treated as 1 Metre)

Supply & fixing/concealing of 6 module metal box with front plate in a concealed manner

Supply & fixing/concealing of 1 module metal box with front plate

Supply & fixing of 5/6A modular plug socket in the modular box

Supply & fixing of 5/6A single pole modular switch in the modular box

Supply & fixing of 1 module modular blanking plate in the modular box

Supply & fixing of 18/20 watts box type 4 feet LED battern wall mounting tube light complete with integral driver unit with 5 years replaceable warranty including supply connection by 3 core 1.5 sqmm PVC insulated copper cable

Supply & fixing of energu efficient BEE 5 Star rated BLDC ceiling fan 1200mm sweep with 3 blades suitable to operate in 230V 50Hz single phase AC supply with 2 canopies and 300mm down rod, Power consumption: 28W (max.), Voltage range - 140 to 240V, Air delivery (minimum) - 32 220 Cu m/min, Replacement warranty (minimum): 5 years, Power factor: 0.9 (min.) Total harmonic distortion: 20% (max.), Rated service value (in m3/min/watt):> 6.0 with electronic regulator and IR remote. Availability of performance and type test report from Govt. Lab/NABL/ILAC as per IS 374:2019 or latest. Fan should comply to IS 374:2019 or latest. Blade thickness: 1.1 mm, Blade material: Aluminium, Bearing: Double ball bearing, Shank Thickness (min): 2mm, Shackle thickness (min): 2mm

Supply & single phase wiring to light/fan/LED board points by means of 2 Nos. of 1.5 33 Sq.mm (P&N) and 1 No. of 2.5 Sqmm (Earth) size Flame Retardant Low Smoke & Halogen (FR-LSH) PVC insulated single core multistranded flexible copper cable with ISI mark of approved make with coded color for Phase, Neutral and Earth through PVC pipe mentioned and termination on suitable junction box duly fitted with ceiling rose/tin coated copper lug as per site condition

Supply & concealing/fixing of ivory colour ISI marked PVC pipe/PVC conduit 19/20mm dia, 1.4mm thick confirming to IS 9537 (Part 3) complete with bend, Ts, junction boxes etc.

Supply & fixing of LED street light fitting 25 watts complete with driver assembly, 35 pressure die cast aluminium housing, toughened glass cover conforming to IP 66 protection in the building wall including supply connection by PVC insulated copper cable with 5 years replaceable warranty for LED street light fittings

Supply & clamping of 25 mm dia medium duty G.I pipe along building wall duly bending to position for fixing street light fitting, complete with 25x6 mm GI fixing hardware

II-Power supply extension arrangements

Excavation of cable trench 0.3 m wide x 1.0 m deep in ordinary soil, back filling of the excavated cable trench (after laying cable), ramming & consolidation properly

Excavation of cable trench 0.3 m wide x 0.1 m deep in tarred/concreted surface, back filling of the excavated cable trench (after laying cable), ramming & consolidation properly

Concreting the top portion of the cable trench excavated in tarred/concreted surface to a depth of 10.0 cm, using 1:3:6 mix with M sand

Excavation of cable trench 0.3m wide x 1.0 m deep under/side of railway tracks, duly 40 removing stone ballast, back filling of the excavated cable trench (After laying of cable with HDPE pipe), ramming & consolidation properly and providing back the removed stone ballasts (The work should be carried out very carefully since space constraints and care should be exercised to protect signal cables)

Supply and laying of HDPE Pipe 50 mm dia, pressure rating up to 4 PN (Material grade PE 63) as per IS 4984/1995 in the excavated cable trench and threading of 4 core 16 sqmm/4 core 25 sqmm/4 core 35 sqmm LTUG cable through the pipe (Cable will be supplied free departmentally at TVC. Transportation shall be arranged by Rly. Loading/unloading shall be under contractor's scope)

Supply and laying of HDPE Pipe 110mm dia, pressure rating up to 4 PN (Material 42 grade PE 63) as per IS 4984/1995 in the excavated cable trench/duct etc. and threading of LTUG cable of size 4 core 185 sqmm and termination at either ends duly crimped & provided with aluminium sockets (Cable will be supplied free departmentally at TVC. Transportation shall be arranged by Rly. Loading/unloading shall be under contractor's scope

Supply and fixing of cable glands suitable for 4 core 185 sq mm cable and termination using aluminium socket duly crimped with HS sleeve

Supply and fixing of cable glands suitable for LTUG cable of size 4 core x 25 sqmm and termination using aluminium sockets duly crimped

Construction of masonry plinth of suitable height above ground level using 1:3:6 45 concrete mix with M sand (height appx. 0.5 Metre above ground level and 0.5 Metre below ground level (may vary based on site conditions) suitable for fixing polycarbonate cable looping box/power supply cubicle as per the requirements at site

Plastering of plinth with 12mm cement plaster of 1:4 (1 cement & 4 sand)

Fabrication, supply, erection, testing and commissioning of outdoor plinth mounted 47 type double door cable looping box made up of 10 SWG MS sheet fitted with 4 Nos. 600A copper bus bars suitable for terminating cables up to 185 sqmm including provision of suitable canopy for protection from rain water and connection of UG cables excluding construction of plinth

Fabrication, supply, erection, testing and commissioning of outdoor plinth mounted type double door cubicle panel made up of 10 SWG MS sheet fitted with 4 Nos. 600A copper bus 48 bars, 1 No. 400A, 36kA, 4 Pole MCCB with all other accessories like spreader terminals for MCCB, bus bar supporters, heat shrink sleeve etc. including provision of suitable canopy for protection from rain water and connection of UG cables excluding construction of plinth. MCCB used shall have suitable adjustable short circuit & overload settings and shall be IS/IEC certified

Supply and fixing of powder coated CRCA sheet steel enclosure suitable for 400A 36kA 4 Pole MCCB on the wall including supply & fixing of 1 No. of 400A, 36kA 4 Pole MCCB in a 14 SWG enclosure and cable connection

Supply, erection, testing and commissioning of G.I pipe earthing arrangements as per Drg. No.V/E-29/2025-26 and connections by 2 runs of 25X6 mm GI strip