WBPWD/EE/BKPD/NIeQ-17/2025-26

CONTROLING VALVES Procurement, supply, erection & commissioning of Wafer Type NRV (cast iron) with lever handles complete with PVC compatible flanges and galvanized nuts bolts, washers in the domestic pump house for suction lines (excluding of any pipes) as well as outside for controls. (Make: KSB/ZOLOTO/ LEADER/LEHRY OR EQV.)250 mm dia horaizontal NRV for pump suction pipe line complete with all fixing accessories compatible with PVC pipes.

LIFTING & PRIMING PUMPS FROM SUMP TO RIVER AND CANAL Procurement, supply, erection & commissioning of electrically operated storm water horizontal pumpsets self priming type complete with mechanical seals,protection sensors overload/undervoltage tripping/ {oil leakage if required)/ float type level sensing unit for 3 levels & dry run cut off. The pumps should be with C.I. housing, bronze or S.S. impeller,to be housed adjacent to UGR with minimum one size higher port valves for discharge & suction lines. The pump discharge pipe is to be provided with glycerine filled diaphragm pressure gauge with shatterproof glass All accessories viz. pressure gauge, switch, pet cock. self priming pump set having following minimum specifications; Motor rating 11KW/15HP, Motor rpm 1450, Motor rating Rating 415V, 3PH, 50HZ. Pump discharge 80 LPS, total head 8 Mtr.

Submersible Vertical Non-clog priming pump set 8 m3/hr at 6 m TDH.( Range 6 – 12 m)

Supply, installation and commissioning of Electrical Control Panel complete non draw out type in dust & vermin proof enclosure with 16 gauge annealed sheet properly epoxy powder coated after 10 tanks treatment [inside surface snow white & outside surface smoke grey]. Total DFT including priming about 200 µ. 4 wire copper busbar of adequate section duly tinned & taped [minimum 150 amps]. Cable alleys to be provided. Incomer SF unit with HRC fuses, voltmeter with selector switch; ammeter with C.T. & selector overall as well as for each pump; RYB lamps for overall & individual pumps; trip lights to be provided; Outgoing feeders with SF units & HRC fuses; 20% spare feeder to be provided; 2 nos 15 amps industrial sockets to be provided; all precautions viz. under voltage/over current/SPP etc to be provided. Outgoing feeders to be compatible with level sensing units which will be provided separately. Vendor shall provide SLD for approval prior to manufacturing. Components shall be of L&T/SNEIDER/BCH/HAVELLS. All conductors shall be stranded & annealed insulated wires. Labelled connectors to be used. Internal wiring to be as neat as possible. Panel should be suitable for outdoor installation. Proper earthing arrangement to be provided. Panel is for storm water pumps above. Selector switch to be provided for manual alternate operation.(Each panel will be for 3 pumpsets) Complete with all accessories required as per satisfaction of E.I.C.