Instrument Engineer Responsibilites

Based on the job description of the Instrument Engineer at EPIC Company, it could be define the responsibility of the Instrument Engineer is to prepared :
– Design Basis
– P&ID Review
– Instrument Index
– Data Sheet
– Logic Diagram
– Loop Sketches
– Review of Packages Offers
– Material Requisition for Instruments
– Material Requisition for DCS/PLC
– Material Requisition for Special Instrument Like Analysers
– Purchase Requisition
– Technical Bid Analysis
– Vendor Drawing Review
– Package Vendor Drawing Review
– DCS/PLC Configuration Drawings

What an Instrument Engineer should know? – Part 1

A. Instrument Specifications
– Allocation Gas Metering Specification
– Automation System Network Spec
– Control Panel, Cabinet and Rack Specification
– Control Valve Specification
– Fusible Plug Panel Specification
– General Instrument Design
– HSSD Specification
– Instrument / Telecom cable Specification
– Instrumentation & Control Section of The Basis of Design
– MCS, PSD, & ESD System Specification
– Specification for Pressure Safety and Relief Valves
– Specification for Shutdown Valves & Blowdown Valves and Actuator Assemblies
– Typical System Functional Design Spec.
– Wellhead Control Panel Specification

B. Instrument Philosophies
– Automation System Philosophy
– Automation System Reset & Override Philosophy
– Fire and Gas Philosophy
– Instrument Earthing Philosophy
– Shutdown Philosophy

C. Documents Related To Automation System
– Fire & Gas Cause / ESD and Effect Chart
– Serial Link Data Listings and Addresses – Allocation Gas Meter, Chemical Injection, Wet Gas Meter, Fire Water Pump, Glycol Reboiler, MV SWGR, Fire Water Pump
– Graphic for F&G, MCS, PSD/ESD (Review)
– Instrument Cable Block Diagram-MCS, PSD/ESD, TCS
– Instrument Logic Diagram for Actuated Valve, ESD/PSD, F&G, Pump & Fan Motor, MCS, TCS
– Instrument loop safety integrity level listing (SIL).
– Logic sequence flow step charts.
– Master Alarm & Trip Schedule
– Network Architecture (Review)
– PSD/ESD Cause and Effect Chart
– Serial Link Data Listings and Addresses
– Shutdown Hierarchy (Shutdown flow block diagram identifying each level and causes & effects)
– Instrument I/O List MCS, PSD, ESD, F&G, TCS
– Instrument & Automation Equipment List