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Standard Deliverables of Instrumentation for EPC Projects

In this article, I covered the Standard Deliverables of Instrumentation prepared by EPC companies to execute EPC projects.

Introduction

If you are an instrumentation engineer and working in EPC companies or want to work in EPC companies then this article will really help you.

The cost of the EPC projects is estimated in four phases Feasibility, Conceptual, FEED, and detailed Design respectively.

During these four phases, there are multiple documents that need to be prepared by individual engineering disciplines.

SR NO.PROJECT COST ESTIMATION phases
1FEASIBILITY STUDY
2CONCEPTUAL STUDY
3BASIC / FULL FEED
4DETAILED DESIGN
EPC cost estimation steps

In this article, I am covering the Standard Deliverables of Instrumentation which is prepared by C&I Discipline.

This may differ from industry to industry but more-or-less these documents are the same.

if you want to know what documents have to be prepared by Other disciplines like (Process, Civil, Mechanical, Piping, Electrical, HSE, Material, and Quality) then pls comment.

1. FEASIBILITY STUDY

A feasibility study defines the technical and economical feasibility of the project and it is a very important step.

without economic benefits, there are no projects that will work.

The control and Instrumentation department prepared the listed documents during the feasibility study.

SR NO.I & C DOCUMENTS DURING THE FEASIBILITY STUDY
1Control & Instrumentation Philosophy
2Pipeline Leak Detection Philosophy
3Metering Philosophy
4Telecomms Philosophy
5Control and Safety System Topology Diagram
6Telecoms Block Diagram
INSTRUMENT DELIVERABLES DURING THE FEASIBILITY STUDY

2. CONCEPTUAL STUDY

The conceptual study covers the concept of facilities with probability and execution risk in line with client requirements and business plan.

This study became the base of FEED(Front-end engineering design) which is the next step after the conceptual study.

But in this phase, the deliverable of instrumentation is the same as the Feasibility study with some extra details.

SR NO.I & C DOCUMENTS DURING THE CONCEPTUAL STUDY
1Instrumentation & Control System Philosophy
2Pipeline Leak Detection Philosophy
3Metering Philosophy
4Telecomms Philosophy
5Control and Safety System Topology Diagram
6Overall Telecommunication System Block Diagram
INSTRUMENT DELIVERABLES DURING THE CONCEPTUAL STUDY

3. BASIC FEED (FRONT END ENGINEERING DESIGN)

In the FEED phase, the selected concept from CONCEPTUAL STUDY to the level where a section of the final project will be made. And in the Basic FEED budget quotes for equipment and bulks are utilized.

SR NO.I & C DOCUMENTS DURING THE BASIC FEED STUDY
1EDS Philosophy
2Metering Philosophy
3Telecomms Philosophy
4PLMS Philosophy
5Telecommunication System Functional Specifications
6Integrated Control & Safety System (ICSS) Specification
7General Instrumentation Specification
8Package Equipment Specification
9Control Panel Specification
10Metering Specification
11Control and Safety System Topology Diagram
12Typical Telecomms Room Layout
13Shutdown Cause & Effect Charts
14ICSS Database including I/O Sched & Index
15Prelim Inst Cable Block Diagram
16Control Room Layout Drawing
17Overall Telecommunication System Block Diagram
18Instrument Data Sheets
INSTRUMENT DELIVERABLES DURING THE BASIC FEED

4. FULL FEED (FRONT END ENGINEERING DESIGN)

The full FEED Phase covers all the budget quotes for types of equipment and bulks.

SR NO.I & C DOCUMENTS DURING THE BASIC FEED STUDY
1EDS Philosophy
2Metering Philosophy
3Telecomms Philosophy
4PLMS Philosophy
5Telecommunication System Functional Specifications
6Integrated Control & Safety System (ICSS) Specification
7General Instrumentation Specification
8Package Equipment Specification
9Control Panel Specification
10Metering Specification
11Instrument Data Sheets
12Prelim Inst Cable Schedule
13Control and Safety System Topology Diagram
14Shutdown Cause & Effect Charts
15ICSS Database including I/O Sched & Index
16Prelim Inst Cable Block Diagram
17Control Room Layout Drawing
18Overall Telecommunication System Block Diagram
19Bulk Instrument MTO
20Technical Requisition for LLI’s
INSTRUMENT DELIVERABLES DURING THE FULL FEED

4. DETAILED DESIGN

Based on Full FEED in the Detail Design Phase, the development of the project is on such a level that final procurement and construction will start.

SR NO.I & C DOCUMENTS DURING THE DETAILED DESIGN
1Instrument Design Basis/Philosophy
2ICSS Specification
3Control Panel Specification
4Fiscal Metering Specification
5Package Instrument Specification
6General Instrument Specification
7Bulk Materials Specification
8Instrument Installation Specification
9Fire Alarm System Specification
10Fire Alarm System Data Sheet
11Instrument Data Sheets
12Technical Requisitions
13Cause & Effect Charts – Shutdown
14Cause & Effect Charts – F&G
15Logic Diagrams – PCS
16Control Narratives & Sequence Descriptions
17Control Narratives
18ICSS Topology Diagram
19Instrument Index
20DCS I/O Schedule
21ESD I/O Schedule
22F&G I/O Schedule
23Sizing Calculations – Control Valves
24Sizing Calculations – Relief Valves
25Sizing Calculations – Flowmeters
26Intrinsic Safety Calculations
27Instrument Air Consumption Calculations
28Electrical Power Consumption Calculations
29Control Room Layout Drawings
30Equipment Room Layout Drawings
31Instrument Location Drawings
32Cable/Tray Routing Drawings
33F&G Detector Layout Drawings
35Interconnection/Termination Drawings
36Cable Block Diagrams
37Cable Schedule
38Cable Drum Schedule
39Junction Box Schedule
40Instrument Installation Drawings
41Process Hook-up Drawings
42Pneumatic Hook-up Drawings
43Instrument Loop Diagrams
44Demolition Study/Drawings
45ICSS Graphic Sketches
46Instrument – Electrical Interface Drawing
47Instrument – Piping Interface Drawing
48Instrument Earthing Philosophy Drawing
49Label Schedules
50Tie-in Lists
51Bulk Material Take-off
INSTRUMENT DELIVERABLES DURING THE DETAILED DESIGN

SR NO.TELECOM DOCUMENTS DURING THE DETAILED DESIGN
1Telecommunication Design Baisis / Philosophy
2Telecommunication Systems Functional Specifications
3Typical Telecommunication Room Layout
4Overall Telecommunication System Block Diagram
5Telecoms Equipment Location Drawings
6Telecoms Cable/Tray Routing Drawings
7Telecoms Interconnection /Termination Drawings
8Telecoms Cable Schedule
9Cable Drum Schedule
10Telecoms Tagging Index
11Telecoms Installation Drawings
12Electrical Interface Drawing
13Piping Interface Drawing
14Telecoms Earthing Philosophy Drawing
15Fire Alarm & CCTV Layout
16Fire Alarm Block Diagram
17CCTV Block Diagram
INSTRUMENT DELIVERABLES DURING THE DETAILED DESIGN

EndNote

I hope these resources and Knowledge will become helpful to you in the future. You can also give your input through the comment section.

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If you like this article, you can also like my previous article on Temperature measurement without thermowell.



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KISHAN MENDAPARA
KISHAN MENDAPARAhttps://worldofinstrumentation.com
Instrumentation and Control Engineer

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