Municipal Administration And Water Supply Department Tender

The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed600% of full load current unless otherwise specified. Motor shall be designed to withstand 120 % of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall bewithin the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFDoperation together with star-Delta / ATS starter, protection against increase in stator winding temperature (15deg Celsius) , bearing temperature, leakage in the stator housing and terminal box shall be provided and to besuitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. (above 20mtrs upto 25mtrs head discharge upto 20mtrs cub/hr) Twad SR 20-21 (22.0) Sl .No1

Supply and delivery of fully automatic auto transformer starter suitable for the motor offered. Floor mounting type air/oil cooled auto transformer starter with tapings at 50%, 65%,80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 part IV for operation in AC Three phase 50Hz (+/- 5%), 415V (+/- 10%) with the following components etc. under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/OFF switches, mounted ammeter, earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. Twad SR 20-21 (11.7). / 5

Supply and Delivery of 250A 3phase 4 pole change over switch. 4.0, PART - D, (f) Twad SR 20-21 (ELC IT No 9/f)

Labour Charges for erection of Horizontal shaft, centrifugal pumpset (Coupled/Monoblock) in bore well/Open well including fixing of suction pipe and foot valve upto a maximum depth of 7 metres and delivery pipes to the required length with valves, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPIC switches starter, Voltmeter, Ammeter, Capacitor single phasing preventor and laying and jointing the cables and twin earthing as per IE rules including providing bed blocks etc., complete and operating the pumps and trial run for 10 days including signing of completion of reports as required byEB authorities.TWAD SR 20-21 (MIS 17a)

Supply and Delivery of following specials with ISI making as per standard specifications (MEDIUM)

125 NRV

PVC Insulated and Sheathed 3 Core Flat type Copper Cable Conforming TO IS 694/1990 4.0 Sqmm

25 mm Nylon Rope

Supply and fixing of 140mm PVC Pipe (10 Ksc) including all cost and conveyance etc.

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers a Sand, silt or other loose soil, wet sand or silt

Supply and Delivery of AC Three Phase 6 pole Horizontal Squirrel Cage Induction Motor Confiriming to IS 325/1996 and as amended thereafter with class F insulation to suit the speed of pump and suitable for operation with continous S1 rated, 415V+/- 10%, 50HZ +/- 5% supply, TEFC (upto 20HP), SPDP (above 20HP). The motor offered should be of energy efficient motors. Twad SR 20-21 (7.0/3)

Supply and Delivery of Horizontal Split Casing Centrifugal Pump confirming to IS 1520. with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I Pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. pump shall be capable of discharging the specified quantity at the head noted at the minimum NPHS at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415V, 50Hz, 1500 RPM.( 1500x25) Twad SR 20-21 (5.0/1)

Supply and delivery of fully automatic auto transformer starter suitable for the motor offered. Floor mounting type air/oil cooled auto transformer starter with tapings at 50%, 65%,80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 part IV for operation in AC Three phase 50Hz (+/- 5%), 415V (+/- 10%) with the following components etc. under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/OFF switches, mounted ammeter, earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. Twad SR 20-21 (11.7/5)

Supply and Delivery of 10 HP Diesel Engine with Pump for Dewatering Works to the Rain water affected areas in Hasthampatty Ward Office Area. Including all cost and conveyance of all Materials etc., complete. 10 HP Diesel Engine with Pump

Supply and Delivery of 5 HP Diesel Engine with Pump for Dewatering Works to the Rain water affected areas in Hasthampatty Ward Office Area. Including all cost and conveyance of all Materials etc., complete. 5 HP Diesel Engine with Pump