Decanter, Centrifuge and Automatic Gas Chlorination System 2nd Call

Decanter Assembly and Air Diffuser for C- Tech basin Work

1) Providing, erecting, Testing and commissioning of decanter and diffuser repairs & replace works of C tech basin as follows- a) Overhauling of Decanter - i) Replacement of Worm Shaft

ii) Replacement of Worm wheel

iii) Replacement of Bearing set, O-ring set and shaft seal

iv) Replacement of Rubber bellow

v) Replacement of Spider

2.Minipanel Diffuser with UPVC grid

3.PLC CPU for Ctech basin - 2, nos,4.Ethernet communication Module -3 nos ,5.Redundancy Module for PLC-2 nos ,6.Redundant Power module -1 no,7.Power module cables -2 nos,8.Analog Output Module-1 no

ii) In addition to the cost of materials, charges towards loading of materials from the godown, including insurance, packing, transportation to the site, and unloading at the site shall be considered @ 5%. Third Party Inspection (TPI) charges and Manufacturer’s inspecting agency charges for routine and performance testing of equipment shall also be included. Furthermore, erection, commissioning, and testing charges for the above materials shall be added @ 5%.

iii) Supplying, erecting of Power cable & communication cable required for the work of Decanter and allied work a) Power Cable Designing, Supplying, Installing, commissioning & testing with Terminating & Interfacing of 2 C x 1.5 sq.mm as per IS 694 twisted shielded copper armoured conductor on wall in GI tray or in ground suitable for supplied D. C. Voltage

b) Communication Cable Supplying and installing cat-6 cable with rodent proof and anti termite jacket suitable for networking as per specification No. WG-COC/NC

c) Signal Cable Designing, Supplying, Installing, commissioning & testing with Terminating & Interfacing of 1.0 sq.mm as per IS 694 copper shielded, twisted, multi stranded armoured cable on wall in GI tray or on ground. 3 Pair X 1 Sqmm

8 Pair X 1 Sqmm

Centrifuge Providing , erecting, commissioning and testing of Centrifuge capacity of 20 m3/h (1W+1S) sludge with suspended solids concentration of 0.8 % w/w suspended solids. - MOC of all wetted parts will be in SS 316 and casing/housing will be in SS 304 - Centrifuge Motor and 22kW VFD Module enclosed Control Panel Data of the Electric Motor (IE-2)-22 KW voltage -415 3 phase, Type of Protection-IP55,Temp Rise Class B - Insulation Class F,Bowl Speed Adjustment - Constant/Variable by changing Pulleys or by adjusting frequency of Centrifuge Motor through VFD ,Overload Safety of Motor -, with pre-set cut off amperage Belt slippage SCROLL ASSEMBLY- Material of Construction-AISI 316 Scroll Pipe , AISI 316 Scroll Flights with Tungsten , Carbide lining , AISI 316 Feed Chamber with Tungsten , Carbide Lining ELECTRICALS Panel -Control Cabinet 22 kW VFD drive (ABB / L&T / Mitsubishi make) Panel Incomer – SFU 3 phase power incomer - R Y B Indication. Incomer Voltage Display - Analog Voltage Display. • Indication in Panel Door - Control On, Run and Fault • Push Button - Start, Stop & Emergency Stop. • Paint Shade - RAL 7032 • CRCA Construction • Interlocking with Main Plant PLC/SCADA

LT Cables Supplying, erecting & terminating FR XLPE insulated, galvanised steel formed wire armoured (strip) cable 1100 V, 4 core 25 sq. mm. aluminium conductor complete erected with glands & lugs, on wall/ trusses/pole or laid in provided trench/ pipe as per specification no. CB-LT/AL For APFC

Earthing i)Providing pipe type earthing with 40mm. dia. G.I. pipe or 20 mm dia. G.I. Rod complete with all materials testing and recording the results as per specification no. EA-EP

ii)Supplying and erecting GI strip of high purity required size used for earthing on wall and/or any other purpose with necessary GI clamps fixed on wall painted with bituminous paint with joints required. As per specification no EA-EP.

Automatic Gas Chlorination System Providing, Erecting commissioning & giving test and trial including one year supervision of the system in day shift(General shift) Andon year free maintenance of fully automatic gas chlorination system confirmation to all applicable NEC and Compressed Gas Associations recommendations and comprising of following Automatic Vacuum operated Chlorinator unit of capacity as mentioned below with Actuator rotameter, injector, vacuum tubing special PVC Piping for Chlorine solution & suitable booster pumps(1W+1S) with GI piping valves, fittings etc. Automatic Switchover type vacuum regulators(2 nos.) installed on tonners with suitable mounting & showing tonner status indication as standby, empty & in use. Auto Control Panel of suitable capacity, wall mounted industrial type with voltmeter, ammeter, starter MCB indicating lamps having automatic operation Microprocessor based multi-functional controller with digital& graphical display. Online residual Chlorine Analyser without need of reagent utilizing unique, internally buffered sensor. Gas leak & temperature detection two channel measuring system designed for gas and temperature monitoring in up to two rooms with necessary wiring &battery backup cum voltage stabilizer system of suitable Preventing maintenance kit for injector, Rotameter &Vacuum injector, Rotameter &Vacuum