PROVN OF RING MAIN AND SCADA SYSTEM FOR ELECTRIC SUPPLY AT 11 BRD AF STN OJHAR

Supply, Installation & Commissioning of Indoor type, Floor Mounted RTU ( Remote Terminal Unit ) based Automation, Protection Panel with Wireless Radio Frequency based communication. The panel should be of minimum size 1200(H) X 1000(W) X 300(D) mm fabricated from 2 mm CRCA Sheet. Control Panel should be suitable for Remote Monitoring & Controlling of 2 Nos. Incoming VCB ( tech area & Domestic area feefer), 5 Nos. Outgoing VCB, (Location:- MRS Substation). (i) The Panel should comprise the following items:- (a). Circuit Breaker (ON & OFF status) b). Trip Circuit Healthy (c). Spring charged (d). Auto Tripped (e). R,Y, B - indications (f). Service Position & Test Position (g). Digital value of current for all three phases for all Modules. (h). Digital value of voltage from the PT (wherever PT exists) The scope of work includes providing and installing Additional hardware / accessories in each RMU as per site requirement.

The RTU based Panel shall consist of the follwing sub systems:- (ii) 01 No. RTU with follwing specifications:- (a). Processor Industrial grade, Communication protocols IEC 61850 & Modbus. (b). Ports 1xRJ45, 1xRS485, 1xRS232, Operating Voltage: -24VDC, Protocols:- IPsec, SNTP, SFTP. (c). Non isolated RS 485 communication port or Ethernet communication port. (d). Suitable No. of digital / analog input and outputs. (e). Programming Software based on IEC to facilitate building of custom build function blocks. (g). Protocol : Master/Slave Modbus, Expandable upto 248 I/O’s and 7 expansion module (iii) 01 No. HMI - 7" Graphical Touch screen display (Make: SCHNEIDER / SIEMENS/ GE Automation/PHOENIX CONTACT) (a). 01 nos. RS 485 and 01 no. USB port (b). Serial multilink, USB downloading port (c). Support external data storage on a USB memory stick for storing production data and backing up applications

Supply, Installation Testing & Commissioning of Indoor type, Floor Mounted RTU ( Remote Terminal Unit ) based Automation, Protection Panel with Wireless Radio Frequency based communication. The panel should be of minimum size 1200(H) X 1000(W) X 300(D) mm fabricated from 2 mm CRCA Sheet. Control Panel should be suitable for Remote Monitoring & Controlling of 3 Nos. Incoming ( Solar plant. Incomer one & Incomr 2) VCB, 8 Nos. Outgoing VCB, 1 Nos. Bus Coupler (Location:- Technical Area Substation). The Panel should comprise the following items:- (a). Circuit Breaker (ON & OFF status) b). Trip Circuit Healthy (c). Spring charged (d). Auto Tripped (e). R,Y, B - indications (f). Service Position & Test Position (g). Digital value of current for all three phases for all Modules. (h). Digital value of voltage from the PT (wherever PT exists) The scope of work includes providing and installing Additional hardware / accessories in each RMU as per site requirement. The RTU based Panel shall consist of the follwing sub systems:-

(ii) 01 No. RTU with follwing specifications:- (a). Processor Industrial grade, Communication protocols IEC 61850 & Modbus. (b). Ports 1xRJ45, 1xRS485, 1xRS232, Operating Voltage: -24VDC, Protocols:- IPsec, SNTP, SFTP. (c). Non isolated RS 485 communication port or Ethernet communication port. (d). Suitable No. of digital / analog input and outputs. (e). Programming Software based on IEC to facilitate building of custom build function blocks. (g). Protocol : Master/Slave Modbus, Expandable upto 248 I/O’s and 7 expansion module (iii) 01 No. HMI - 7" Graphical Touch screen display (a). 01 nos. RS 485 and 01 no. USB port (b). Serial multilink, USB downloading port (c). Support external data storage on a USB memory stick for storing production data and backing up applications

Note for Sl no 1 & 2 (a) Master Control station with personal computer with latest proceesor & suitable size monitor not less than 40 inches LED Monitor (b) UPS with Half an hour backup (c) Laser printer (d) Server (e) Data gateway (f) SCADA software which can be operated,programmed and modified by agencies other than developer. The SCADA Contractor shall provide perpetual licenses for all core software components, including HMI, Historian, OPC servers, and communication drivers.The Contractor shall submit a licensing certificate with serial keys, activation procedures, and ownership rights. (g) PLC /Microprocessor controller with indoor/outdoor application for upto transformer operation with RTU/without RTU or microprocessor controller and microprocessor transmitter(h) suitable communication system including payment of bills to telecom service provider

(i) Design of communication system shall be done by the bidder.Cloud based server/data storage/communication shall not be used and only local server based system shall be designed. (ii)The cost of each item shall also be attached to arrive pricing in case of some addition/reduction at site. (iii)Operating system,system software and programming shall not be inlectual property of any agency. (iv) The memory in SSD shall be suitable forsix months data more than six months old.(v) In addition of installations,system shall be capable of integrating the same. (v) In case of addition of installations ,the system shall be capable of Integrating the same. (vi) The responsibility of the agency is restricted to intimate electrical failures such as failure of of Transformers,VCB,Distribution panels,LT/HT lines etc. i.e repairs shall be made by MES (vii) The SCADA system should have provision of both manual and automatic operation of installations (viii) The Contractor shall provide free software updates, security patches, and bug fixes for a period of 5 years from the date of commissioning. (ix) CERT-IN Compliance and Security Audit aligninging as directed by accepting officer:- The SCADA system shall be designed and implemented in accordance with CERT-IN guidelines for Industrial Control Systems (ICS). The Contractor shall coordinate with an authorized CERT-IN auditor to conduct a security audit of the SCADA system prior to project handover.Any vulnerabilities found during the CERT audit shall be rectified by the Contractor at no additional cost. All software components must be free from known vulnerabilities and adhere to cybersecurity best practices, including: Role-based access control (RBAC) Encrypted communication (TLS 1.2 or higher) Event logging and audit trails Final audit compliance certificate from CERT-IN certified agency must be submitted before final acceptance of the SCADA system.

Accepting officer may approve if any modern technology available on this work within the quoted rate for fully function of system without any extra financial effect also any kind of work which is essential to complete SCADA system the executing agency shall ensure system completeness and shall provide all the required items at no extra cost to meet tender specification / system architecture / process automation requirement . All SCADA automation and ancillary works shall be executed with suitable communication mode / modules for SCADA system required for automation of electric infrastructure will be free to the department for 10 yrs by the same agency so as to meet all the SCADA and automation requirement of the process

Supply, Installation, Testing and Commissioning and Replacing of existing relay with new IED 61850 protocol relay and wiring of DI & DO, complete all as specified and directed including the foilowing provisions: - a) Relay shall have disturbance recorder with settable sample rate from 32/cycle upto 1 per minute and shall support virtual simulation through which protection functions and logic testing can be achieved without any separate software b) Relay shall with Dual RJ45 Port. c) Relay shall have protections like Phase over current (50/51). Directional phase over current (67), TF switch on to fault (50 HS), Current unbalance (46), Thermal overload (49), Earth fault (50N/51N), Directional earth fault (67N), Under voltage (27), Over voltage (59), Zero sequence voltage protection (59N), Frequency (81), directional power (32), auto reclose (79), Circuit breaker failure (50BF), Cold load pick-up and magnetising inrush, Programmable stages (99), Synchro check (25), CB wear. Note: Job include removal of existing relay, necessary panel cutouts and wiring & sychronising it with existing control wiring to make it operational for smooth functioning and tuning it with MSEDCL relay in such a way that on occurence of any genuine fault only indivisual feeder only particular outgoing relay shall trip rather than complete feeder in the hierachy etc, and to deposit in MES storeyard as directed.

Supply, Installation, Testing and commissioning of Multi Function Energy Meters with LED Display having CI 1 & inbult RS 485 communication port. (Note Multi function Energy meters to be taken wherever PT are available), Parameters to be taken:- V, A, F, PF, KW, KWH, RUNHR, Interupts, Phase Angle THD, Neutral Current, Max Demand.Including taking down existing meters from panels.

Supply, Installation, Testing and Commissioning and Programming of Master Control Station(SCADA Software). The scope includes:- Services for programming, configuration and customisation of the Smart Station Platform with respect to the Power Supply Module as per actual site conditions and requirement of the engineer. (a). Landing Page to depict criritcal paramters viz. - Supply Voltage, Current / Load on Each Feeder, Power Factor, Frequency, Fault Indication due to Earth Fault / Short Circuit, KW, KWH, KVAH, KVARH, RUNHR, ONHR, Interupts, Phase Angle THD, Neutral Current, Max Demand etc. (b). Creation of drop down tabs to monitor the all Substations and Remote RTU Panel systems individually.

(c). Creation of individual RTU Panel wise schematics and layouts for the Power Distribution system as per the actual site including display of all relevant parameters viz. - Supply Voltage, Current / Load on Each Feeder, Power Factor, Frequency, Fault Indication due to Earth Fault / Short Circuit, KW, KWH, KVAH, KVARH, RUNHR, ONHR, Interupts, Phase Angle THD, Neutral Current, Max Demand etc. (d). Creation of Day wise Reports for :- (i) Consumption Patterns - Daily, Weekly, Monthly and Annually. (ii) Load Distribution Patterns on Feeders. (iii) Load balancing status etc. and submitting Hard Copies of Weekly Records and Parameters mentioned in above to Engr-in-Charge . (e). Personal Computer as central Server for development version of the scada software and reporting the software with following specifiaction:- Intel 10th Gen Core I5, 8 GB RAM, 500 GB HDD, Keyboard / Mouse, 21 inches LED monitor. (f). 600VA UPS including batteries for 1/2 Hr backup .

Supply, Installation, Testing, Commissioning 2 KVA UPS / INVERTER with Sealed Lead Acid Maintenanace free Batteries for powering the panel for a minimum of 30 minutes in case of supply failure. UPS should have following features:- Charger:- Build in solit state stage recharge. Display:- LED Display Audible Alarm:- Main Failure Alarm, Battery Low Alarm, UPS Warning, Fault.

Supply, Installation, Testing, Commissioning and Programming of Omni or Bi Directional Parabolic antenna with control station to generate strong directional effect with WLAN network support having mast mounting arrangment. Control station should operate on license free frequency with necessary hardware at a suitable location to be connected to the central scada server so as to establish connectivity with every station of the network after conducting a frequency survey of the entire area of interest and identify suitable locations to mount the station hardware and the height of the antennas to establish clear line of sight either directly or by multi hop so as to be able to send data. Antenna type:- Omni or Bi Directional Parabolic antenna Gain:- as per site requirement Degree of protection:- IP65 Note:-Rate quoted is deemed to be included for making arrangemets of accessories such as mounting bracket and mast clips.

Supply, Installation, Testing and Commissioning of 4 pair CAT 6 UTP armoured cable for communication.

Supply only 2 Core 1.5 sq. mm PVC sheathed PVC insulated copper armoured cable. Power supply to Antenas

Supply only 4 Core 1.5 sq.mm. PVC sheathed PVC insulated copper armoured cable. Power supply to panels

Supply only 6 Core 1.5 sq.mm. PVC sheathed PVC insulated copper armoured cable Power supply to relays and meters

Operation and comprehensive maintenance without manning of SCADA system including cost of up-gradation, cost of spares for 2 years post during DLP, operation including payment of bills by Telecom Service Provider (Contractor to provide month wise breakdown details of the same). (No manning or deployment of manpower required) Note:- Cumulative payment shall be made (after expiry of DLP) on not exceeding basis as per following schedule:-

Material and labour & T&P for Shifting of transformer 400 KVA with the help of crane from Tech area sub stn to switch room including dismantling , loading ,unloading and installation complete with testing all as specified and directed.

Material and labour for Type D2 1:4:8 (40 m gradeed aggregate ) cement concrete in foundation and mass concrete for brick foundation for transformer foundation etc complete all as specified and directed.

Material and labour for providing cement concreate Type B1 , 1:2:4 (20 m gradeed aggregate ) on top surface of plinth for transformer foundation etc complete all as specified and directed.

Material and labour for brick works with sub class B bricks staight or curved on plan 6 m means radi buil in 1:4 cement mortar for transformer foundation etc complete all as directed by engr-in-charge.

Material and labour for rendering 10 mm thick in cement plaster 1:6 on fair faces of bricks work or concrete surface for transformer foundation etc complete all as specified and directed.

Supply, install, testing , & comissioning of Ring main Unit 11KV, 630 A, 21 KA/ 3 sec , outdoor type, extensible ring main unit (RMU) consiting of motorized 03 vacuum circuit breaker (One incoming and 02 outgoings) , Outdoor, Motorized, RHS side Extendable with SCADA communicable Relays without Metering panels. 11KV RMU should have copper Bus bars inside SF6 Gas @1.4bar at nominal operating gas inside Tank of Stainless-Steel Grade of 304 non-ferrite non-magnetic grade with in-house robotic welding facility inside OEM premises. RMU should be Internal Arc Classification Tested as per IEC-62271 ALFR with de-gree of protection for environment condition, splash water, dust, vermin proof etc as per IP67 for tank and IP2X or 3X for Indoor and Outdoor Application.IEC standards62271-200, 60056, 60129, 60265, 60298, 60420, 60529-IP 67 as per clause 13.4,13.6 & 14.2.7 and 60694. Bushings bolted type to mounted out side the tank and all bushings are site replacable and external bus bar with hydraulic opening and closing cover complete all as specified and directed.

Note :- (i) PCC foundation for RMU panel and cable duct deemed to be included under quoted rate as per OEM specification .(ii) RMU Tank shall be IAC AFL 20kA/1s tested to ensure utmost operator safety .Test report (from an STL member Lab) shall be submitted along with drawings of the RMUs . In case the test report is not found suitable , the RMU shall stand liable to be rejected.(iii) Metering Module including power pack /battery bank with battery charging unit

RMU should have access to change Bushing at site if damage due to fault or human er-ror. (A) Technical Specification/ Parameters of 11KV RMU as per Below (i) Rated Voltage 11 kV (ii) Power frequency withstand voltage kV - 22/13.8 (iii) Rated current busbar--630A (iv) Rated current cable switch disconnecter --630A (v)Rated frequency: 50 Hz (vi)Short time withstand current: (vii)cable switch disconnector with interface C (400-bolt) bushing: 21 kArms 3 sec. (viii)vacuum circuit breaker with interface C (400-bolt) bushing: 21 kArms 3 sec. (ix)Rated current for transformer T-off : 630 A (x)Impulse withstand voltage : (xi)To earth and between phases: 75 kV Insulation level: (xii) Power frequency 1 min: 28 kV

630A Vacuum circuit breaker module form arcing and breaking of fault current along with off-load isolator in series for isolation purpose & integral series earth switch,Vacuum bottles of same make as of circuit breaker, motorized spring charging mechanism (230V AC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (30 V DC)

(B) Specifications for VCB are as follows (i) Stored Energy mechanism for Motorized Operation-Control Voltage – 24 VDC (ii) Cable cover standard with Interlocking (iii) Self-Powered O/C and E/F protection relay with RS485 port CSPDR V2-300/ ADR 241S (iv) Cable bushings interface C (400 bolted), 630A (v) Aux. switch for vacuum circuit breaker position 2NO + 2NC (vi) Capacitive voltage indication fixed type VPIS 6-12 kV (vii)Ring core current transformer type 100-50/1 A, 2.5VA, 5P10 for Protection- set of 3& Cable mounted 11KV Ring Core CTs 50-100/1A Class 0.5 for Metering-three phase three limb (viii)Aux Relay for Transformer Protection Alarm and Trip (ix) 8 window Annunciator (x) Digital Ammeter

Potential transformer ( PT unit) three phase three limb , 11 KV draw out type, resin cast dry type , single ratio having primary 11 KV & secondary voltage 110 volts, 50 VA class-0.5, IS :3156, marked , with HRC fuses including necessary bus bar connection & wiring for metering etc (iv) Metering Equipment including:- (a) 01 x Analoge Voltmeter (Acc.Cl.0.5), 01 x Digital Ammeter (Acc.Cl.0.5), (a)1 – 2X12VDC, 7Ah Battery(b)1 – 2X12VDC, 7Ah Battery

Control Equipment including :- (a) 01 x TNC Switch, (b) 01 x Local/Remote Switch, (c) 01 x Emergency Trip Push Button, (d) MCBs for AC and DC (f) Heater Switch with Thermostat - 01 No, (g) 3-pin socket with ON/OFF switch - 01 No, (vii) Flush mounted Auxillary Protection Relays incl:- (a) Trip Circuit Supervision Relay, (b) Master trip Relay, (c) PT Fuse failure relay. (d) Numerical EF/OC Relay draw out type indicating and tripping the breaker on faults over-current and earth-fault in any of the three phases. (e) Trip circuit supervision relay,

Supply, laying in trenches or passing through pipes, fixed to pole and jointing & testing of XLPE insulated, screened, PVC bedded, wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts grade of size 95 Sqmm 3 Core (suitable for Earthed System) all as specified and as directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for laying of cables and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each, complete all as specified and directed.

Removing excavated soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.50 metre above the starting point complete all as specified and directed.

Material and labour for sand filling with dry river sand, cushioning below/above and around cable in trenches all as specified and directed. Note : Punned thickness only shall be measured.

Supply and laying Un-reinforced precast concrete cable covers, class HV, type 1, falt of size 300 mm x 180 mm x 40 mm thick complete all as specified and as directed.

Supply and fix cable jointing kit for 11 KV grade cable for in door termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 70 to 120 sqmm complete all as specified and directed.

M&L for Cable route indicator fabricated construct-ed/fabricated on 600x180x40mm Precast RCC/PCC , duly painted with yellow colour synthetic enamel paint complete marking name on MS round disc silver painted duly rein--forced in PCC precast route indicator with nomenclature of "/HT cable 3 x 120 Sq mm/HT cable Joint" in letters with suitable visible font including grouted in ground with PCC 1:4:8 type D-2, complete all as specified and directed.

Material and labour for Boring of holes under road, pavement, hard standing not less than 0.7 Meter below GL by trenchless technology by doing excavation at both side of and passing the seamless 150 mm dia HDPE pipe by bringing complete set up at site , complete all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 600x600x6 mm thick, burried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to GI strip 25x4 mm through GI pipe 40 mm dia light grade by means of bolts,nuts, check nuts and washers of galvanised iron or steel,with adequate quantity of charcoal and salt, proper watering arrangements including 20 mm dia medium grade GI tubing.PCC chamber,Chamber Cover all as shown in electrical plate no 3of SSR part I 2009 connected to earthing test point all as specified or indicated and testing on completion. The end point connection of eatrhing will be carried out with the help of GI bolt grouted and washer and nut. complete all as specified and directed.

Note :- Schematic Layout of HT Infrastructure in technical area is placed at Annx 'A' to BOQ.