May 8, 2023 
Tank Gauging System
اختصارات:
CCR: Central Control Room
CSS: Combined Safety System
ESD: Emergency Shutdown
EWS: Engineering Work Station
FAT: Factory Acceptance Test
FIU: Field Interface Unit
I/O: Input/Output
LAN: Local Area Network
LER: Local Equipment Room
LPG: Liquefied Petroleum Gas
LTD: Level, Temperature & Density Probe
MMI: Man Machine Interface
MTBF: Mean Time Between Failure
MTTR: Mean Time to Repair
OWS: Operator Work Station
OIML: International Organization of Legal Metrology
PCS: Process Control System
PSD: Process Shutdown System
PSU: Power Supply Unit
RTD: Resistance Temperature Detector
SAT: Site Acceptance Test
SIL: Safety Integrity Level
TGS: Tank Gauging System
UPS: un interruptible Power Supply
VDU: Visual Display Unit
مهمترین استانداردهای مورد استفاده در طراحی سیستم TGS (ساخت، تست و راه اندازی)
- API 551 Process Measurement Instrumentation
- API 552 Transmission Systems
- API 554 Process Instruments and Control
- API6D Specification for pipeline valves (steel gate, plug, ball and check valves).
- ASME PTC 19.3 Performance Test Code Temperature Measurement.
- BS 3463 Specification for observation and gauge glasses for pressure vessels
- BS 7671 Requirements of electrical installations. IEE wiring regulations.
- BS EN 50262. Metric cable glands.
- BS EN 837 Pressure Gauges: Selection and Installation Recommendations
- ANSI B 16.5 Pipe flanges and flanged fittings.
- IEC 60079 (all parts) Electrical Apparatus for Explosive Gas Atmospheres
- IEC 60529 Degrees of Protection Provided by Enclosures (IP Code)
- IEC 60751 Industrial Platinum Resistance Thermometer Sensors
- IEC 61000 Electromagnetic compatibility
- IEC 61520 Metal thermowells for thermometer sensors – Functional Dimensions
- ISA S.5.1. Instrumentation symbols and identification.
- ISA S.5.4 Instrument Loop Diagrams
- ISA 1 Annunciators – sequences and specification.
- ISO 9001:J994 or ISO 900 I:2000 (including design) Quality Management System requirements
- ISO 9002: 1994 Quality systems – model for quality assurance in production, installation and servicing
- NACE MR-01-75 Sulphide stress cracking resistant metallic material for oil field equipment.
- OIML R85 Dynamic Automatic level gauges for measuring the level of liquid in fixed storage tanks
مدارک رفرنس جهت خرید و نصب سیستم TGS:
- Instrumentation Control & Safety System Philosophy
- General Instrumentation Technical Specification
- Specification for Instrument Piping material
- Specification for Instrument Cable
- PID – propane, butane, condensate, pentane &… storage tanks
- Mechanical data sheet
- Site, Environmental and Utility Data
- Painting Specification
مشخصات فنی مورد نیاز جهت خرید و نصب سیستم TGS:
- a) Supply and Functional Specifications
- b) TGS general architecture and cable block diagram
- c) Data sheets and calculation notes (if applicable)
- d) General Arrangement (Instrument, JB, Panels, etc.)
- e) Instrument Hook-up drawings
- f) Cable list and interconnection drawings
- g) Instrument loop diagrams
- h) Layout and Wiring Diagrams (Instrument, JB, Panels, etc.)
- i) I/O list & assignment, Graphic displays drawings
- j) List of data to be exchanged with the PCS (bus/memory mapping or hardwired),
- k) Calibration Procedures
- I) Hazardous Area Certificates
- m) FAT & SAT procedures
- n) Test Results
- 0) Recommended spare parts for start-up and commissioning
- p) Recommended spare parts for 2 years operation
گواهینامه ها و مدارک بازرسی لازم جهت خرید تجهیزات:
- The conformity certificates.
- The test and calibration certificates for all instruments.
- The electrical hazardous area certificates (EEx, IS) for all instruments.
- The material certificates.
- The air pressure tests certificates.
- The hydraulic pressure tests certificates (if applicable).