TENDER DOCUMENT. NIT No.- DLI / C&E / WI-675 / 859 FOR

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1 TENDER DOCUMENT NIT No.- DLI / C&E / WI-675 / 859 FOR Tender for Design, Engineering, Supply and Supervision of Installation, Testing & Commissioning of RF-ADMITTANCE TYPE LEVEL SWITCH AND ASSOCIATED WORKS for the project of Augmentation of Fuel & Flux Crushing Facilities (Package- 064) of Bhilai Steel Plant (SAIL). VOLUME- 2B (Scope of Work & Technical Specification) ENGINEERING PROJECTS (INDIA) LIMITED (A GOVT. OF INDIA ENTERPRISE) Core-3, Scope Complex, 7, Institutional Area, Lodhi Road, New Delhi TEL NO: FAX NO

2 Scope of work and Technical Specification: RF-Admittance Type Level Switch 1.00 Scope of Work: Scope of work for RF-Admittance Level Switch shall include (but not limited to) design, engineering, manufacture, fabrication, inspection and testing at works, supply, packing, forwarding, dispatch, transportation, delivery at site, providing drawings documents for approval of BSP/MECON, completion of facilities, performance guarantee, testing, supervision of installation, calibration, testing & commissioning and handing over to Bhilai Steel Plant. Scope of work shall include supply of complete unit of RF- Admittance Level Switch along with installation accessories and supporting arrangements, interconnecting cable (suitable for outdoor installation) between sensor and control unit in field, control unit with required accessories, junction boxes with hardware, supply of commissioning spares, tools & tackles etc. The scope shall also include: 1. Submission of equipment drawings, system installation drawings/documents in requisite sets for approval of BSP/MECON, submission of quality assurance plan, operation and maintenance manuals, internal test reports & certificates etc in requisite sets. 2. Deputation of representatives to site for supervision of installation, calibration, testing and commissioning. 3. Supply of all commissioning spares, special tools and tackles, initial fill etc. and insurance spares. A list of such items shall be submitted separately. Bidder shall also furnish separately price for recommended spares for two years operation & maintenance. 5. Training to operation and maintenance personnels of BSP/MECON/EPI 2.00 LEVEL MEASUREMENTS AREAS A) Coal Handling Plant: The level measurements areas for Coal Handling Plant will include the following: Page 1 of 5

3 i. Level measurement of new silos (Total Qty- 05 nos.): For each silo, 4 numbers of level switches per silo will be provided. These signals will be hooked up with the automation system for alarms and necessary interlocks. B) Coke Sorting Plant: The level measurements areas for Coke Sorting Plant will include the following: i. Level measurement of Coke bunkers (Surge Bunkers & Coke Breeze Bunkers) (Total Qty- 04 nos.): For each bunker one no. of high level switch will be provided. These signals will be hooked up with the automation system for alarms and necessary interlocks. C) Fuel & Flux Crushing & Screening System: The level measurements areas for Fuel & Flux Crushing & Screening system will include the following: i. Level measurement of bunkers (Total Qty - 06 nos.): For each bunker one no. of high level switch will be provided. These signals will be hooked up with the automation system for alarms and necessary interlocks. ii. Level measurement of bunkers (Total Qty - 02 nos): For these bunker two nos. of high level switches will be provided. These signals will be hooked up with the automation system for alarms and necessary interlocks Technical Specifications for RF-Admittance Type Level Switch General 1 Item Level Switch for High Level Indication 2 Measuring Principle RF-Admittance Type 3 Measurement High Level Switching 4 Quantity i) Silo - 20 nos. ii) Coke Bunkers - 04 nos. iii) Fuel & Flux Bunkers - 08 nos. 5 Service Level Indication of Silo/Bunkers - Highly dusty atmosphere in Bunker/Silo 6 Type of Silo/Bunker Cylindrical/Conical 7 Silo/Bunkers -Details Page 2 of 5

4 A B C E F G H I Silo- 5x4 = 20 nos i)silo Height ii) iii) Silo Diameter iv) Silo Capacity v) Flow Rate vi) Coal Size Coke Bunkers- 2 nos i) Surge Bunkers (in Coke Crushing Station building height ii) Surge Bunkers (in Coke Crushing Station) Measuring Level Span(max.) Coke Bunkers- 2 nos i)coke Breeze Bunker Building Height ii) Coke Breeze Bunker Fuel &Flux Bunkers- 1 No. I)Junction House (JH)CK2 Height (Coal Crusher) ii) Bunker in JH CK2 Measuring Level Span (max.) Fuel &Flux Bunkers- 1 No. I)Coke Screening Bldg Height ii) Bunker in Coke Screening Bldg Measuring Level Span (max.) ii) Bunker Capacity Fuel &Flux Bunkers- 2 Nos. I)Coke Grinding Bldg Height ii) Bunker in Coke Grinding Bldg ii) Bunker Capacity Fuel & Flux Bunkers- 2 Nos. I)Flux Crushing Bldg Height ii) Bunker in Coke Grinding Bldg ii) Bunker Capacity Fuel & Flux Bunkers- 2 Nos. I)Flux Screening Bldg Height i) 30 meters ii) 26.5 meters iii) 6 meters iv) 500 Ton v) TPH vi) ( 75 mm) i) meters ii) iii) meters 100T i) meters ii) iii) meters 150T i) meters ii) meters iii) 200 Cubic meter i) meters ii) meters iii) 100 Cubic meter i) meters ii) meters iii) 100 Cubic meter i) meters ii) meters & 6.80 meters iii) 200 Cubic meters & 75 Cubic meters i) meters Page 3 of 5

5 Level Switch Probe Process Conditions Control Unit ii) Bunker in Coke Grinding Bldg ii) 8.0 meters iii) 100 Cubic meters 8 Installation Top Mounted 9 Area Classification Safe Area 10 Measurement High Level Switching 11 i. Probe ii. MOC of Probe i. Rope Type ii. SS iii. SS 316 iii. Counter Weight MOC 12 Rope (probe) Diameter 10 mm 13 Probe Length for high level switching Probe Length a) Silo 6 mts b) CSP Bunkers 3 mts c) F&F Bunkers 2 mts 14 Insulation Material PTFE 15 Measurement High Level Switching 16 Enclosure IP Enclosure Material Cast Aluminum 18 Operation Principle RF Admittance 19 Temperature Suitable for temperature upto 180 deg C. 20 Process Pressure Atmospheric 21 Process Connection 2 ANSI Class, RF Flange (MS) 22 Relative Humidity 100% (max), 7% (min) 23 Climatic Condition Tropical 24 Electronic Evaluation Unit Output Potential Free Contacts 2NO + 2NC Rating- 6A at 230V AC Terminal unit should be suitable for 2.5 sq mm wire. 25 LED Indications Power ON and Normal/Alarm level 26 Power Supply 230VAC +/- 10%, 50 Hz 27 Evaluation Enclosure Cast Aluminum 28 Protection Class IP Time Delay Adjustable 30 Cable Approx length of 15 meters armoured cable for each level switch for connection between main panel & Control panel Page 4 of 5

6 5.00 List of drawings & documents to be submitted by bidder I) For Approval/Reference - To be submitted by successful bidder: 01. Detailed Specification/ datasheet for RF-Admittance Level Switch. 02. Bill of Materials 03. GA drawing 04. RF-Admittance Level Switch Installation Diagram 05. Quality assurance plan for RF-Admittance Level Switch 06. Wiring and termination diagrams with details of termination of sensor to control unit. 07. Internal test reports and certificates. 08. Any other drawings /documents as per manufacturer s recommendation. 09. Drawing s /documents as per the requirement of BSP/ MECON. Manufacturer s test, calibration and guarantee certificates for level switch. 10. Operation and maintenance manuals for level switch. 11. List of commissioning spares. 12. List of special tools and tackles to be supplied. 13. List of recommended spares. II) Drawings/documents to be submitted along with bid during tendering stage 01 Detailed technical literature/ catalogue for Level Switch 02 List of recommended spares for two years maintenance & operation 03 Duly signed (with date and stamped) copy of unpriced copy of price bid. 04 No deviation declaration to NIT technical and commercial terms and conditions 05 Duly signed with date and stamped copy of NIT Vol-1, Vol-2 (2A, 2B & 2C) and Vol-3 as token of acceptance Page 5 of 5