Electrical work in connection with "Replacement of Old aged 03 Nos. V.T. Pumps of 150 HP with other associated accessories at New Rainey Well at HNZM near Akshardham"

A-Electrical work in connection with "Replacement of Old aged 03 Nos. Above/

Dismantling of old 3 Nos. V.T. Pumps of 150 HP having discharge capacity of 9548 LPM, Head at 50 mtrs. including existing pipeline and valve and loading/ leading from the site to SSB General Store and as per explanatory note. 2625000.0

Supply, lowering, testing & commissioning of clear water vertical turbine pumps self- 2 water lubricated having discharge of 9548 LPM against a head of 50 m and pump column length of 24 meters as per IS 1710(latest version) including cost of all allied works and suitable L.T. motors vertical solid shaft of minimum 150HP for above pumps as per relevant IS, including cost of all allied civil works and as per explanatory note. Pump Make- Kirloskar, KSB, Willow, Jyoti, WPIL or equivalent make and Motor Make- Crompton, ABB, Kirloskar, Simens or equivalent make

Construction of base and fabrication of support structure for installation of VT pumps as per site requirement & as per explanatory note. 1653249.0

Power Distribution / MCC Control panel inclusion of the One ACB of EDO four Pole of 1000 Amp with Earth Fault, Over Load, Under Voltage relay Qty 1 No as incomer. Qty 1 No, RYB Indication Lamps - 3 Nos, Multifunctional Meter - 1 No, Suitable Copper Bus Bar, Outgoing: 4 Nos 4 MCCB with ROH Handle of Three Pole 315 Amps and Four Pole 63 Amp, 1 No. 32 Amps MCB. Supply, erection and commissioning of LT cubical panel 3 phase and neutral 415 V, 4 wire, free standing floor mounted. LT panel made up of 14/16 SWG CRCA (Cold Rolled Carbon Annealed) sheet after seven tank process and painting with EPOXY powder coating. The panel shall consist of suitable rating TPN (Triple Pole Neutral) tinned copper bus bar supported with DMC/AMC barriers and colour coded with heat shrinkable sleeves. For operation of Pumps VFD suitable for 175 HP load with backup star-delta starters, PLC/HMI for auto cascading and data logging regarding operation of pumps. The metering shall be provided as specified. The panel shall have short circuit with standing capacity of minimum 50 KA (RMS) power frequency test and consist of the switch gear as mentioned below. The panel shall be mounted on channels including supply and fixing as per Technical specification. The complete work has to be carried out by the contractor including masonry work. After execution, all feeder cables have to be connected to new panel with suitable cable glands as per requirement of the Engineer at site and as per explanatory note. Make of Electrical Items to be used: L&T, Siemens, ABB, Havells or equivalent etc., PLC required of adequate capacity for auto operation of pumps in cascading.

Earthing with 600x600x3mm thick copper plate earth electrode as per IS 3043(Latest version), to achieve earth resistance less than one ohm, including construction of masonry enclosure 5 with hinged cover plate of cast iron with locking arrangement (Approx. size 600x600 mm) on top, watering pipe of length 2.7 Mtr, connections from earth plate to top with 40x6mm copper strip in 50 mm dia pipe class 'B' provision of earth plate as per drawing and conforming to CPWD General Specifications for Electrical Works Part-I Internal - 2023 and CPWD DSR (E&M) 2022 & as per explanatory note.

Supplying and laying 40 mm X 6 mm copper strip at 0.3 metre below ground as strip 6 earth electrode confirming to relevant IS as per IS:3043 (Latest version), including connection/ terminating with nut, bolt, spring, washer etc. as required & as per explanatory note. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50 mm)

Supply, laying, testing & commissioning of 70 sq.mm copper 3 core flexible LT cable from starter to motor including lugs, glands etc. & as per explanatory note. Make: KEI, Havells, Polycab, Gloster, Grandlay or equivalent.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground as per IS 1255 (reviewed in 2016) including excavation, sand cushioning, protective covering and refilling the trench [size width- not less than 35 cm and depth- 8 75 to 100 cm ] etc. as required as per detail drawing approved by competent authority. In case of any demolition of PCC, RCC, road, wall surface etc. the contractor should ensure repairing of the same on own expenses as per site requirement and satisfaction of railway representative and conforming to CPWD General Specifications for Electrical Works Part-II External -2023 and CPWD DSR (E&M) 2025 & as per explanatory note. Above 35 sq. mm and upto 95 sq. mm

Laying of one number additional PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground as per IS 1255 (reviewed in 2016) in the same trench in one tier horizontal formation including excavation, sand cushioning, protective covering 9 and refilling the trench [size width- not less than 55 cm and depth-(75-100) cm] etc. as required as per detail drawing approved by competent authority. In case of any demolition of PCC, RCC, road, wall surface etc. the contractor should ensure repairing of the same on own expenses as per site requirement and satisfaction of railway representative and conforming to CPWD General Specifications for Electrical Works Part-II External -2023 and CPWD DSR (E&M) 2025 & as per explanatory note. Above 35 sq. mm and upto 95 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required as per IS 1255 (reviewed in 2016). In 10 case of any demolition of PCC, RCC, road, wall surface etc. the contractor should ensure repairing of the same on own expenses as per site requirement and satisfaction of railway representative and conforming to CPWD General Specifications for Electrical Works Part-II External -2023 and CPWD DSR (E&M) 2025 & as per explanatory note. Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp)