1. Engineering 2. Purchasing 3. Other department package assistances 4. Site supervision Instrument Department Activities:
1.Engineering: 1.1 Engineering Instrument -Material standard specifications (MSS) -Datasheets (DSH) -Calculation -Instrument Index Control -Control block diagram -FCS -ESD -F&G,…
Instrument index is one of the most important documents which is provided from instrument department. This document is a reference for checking all the activities which are done in this department. Instrument Index:
Sample Document
All the instrument datasheets for Temperature, Pressure, Flow, Level, Safety valve, Control valve and etc are prepared as per the process and ambient requirement, which is based on the contract and international standards such as ISA, IEC, IPS, ISO, ASME and etc. Datasheets:
Sample Document
This document contains the explanations according to international standards which is available for the mentioned instrumental material along with engineering experience of the field. Technical Standard Specification:
Sample Document
The calculations of the instruments are performed by certified and well know international soft wares such as Conval for control valves, Orifice and venturies. Calculations:
Sample Document
For control the control philosophy of the whole plant some documents such as “Overall control system block diagram” and “Control Package block diagram” are generated based on owner requirement and standards for a reliable and smooth functionality of the plant Control Block Diagram:
Sample Document
This document contains all of the control loops of the plant and shows the links and relation for the instruments. Loop Sketches:
Sample Document
In this document required logic operations for process controlling and safety of the plants are designed as per the cause and effect and as per IEC ~8 Logic Diagrams:
Sample Document
All inputs and outputs of ESD/FCS systems are indicated in this document. I/O Counts for Control system and ESD:
Sample Document
F & G LAYOUT : The F&G layout shows the connections between different parts of plant and F&G system, including their inputs and outputs and functions.
Sample Document
1.2 Designing Material Standard Specifications (MSS) Sketches (SKT) Designed Drawings (DWG) Lists (LST) Data Sheets (DSH) Material Take Off (MTO)
1.2.1 Material Standard specification (MSS) These specifications cover the minimum requirements and related standards for the Design, Materials, Marking & Shipping of goods for below items: MSS for JUNCTION BOX & CABLE GLAND MSS for CABLE MSS for CABLE LADDER & TRAY MSS for TUBE & TUBE FITTING
MSS for JUNCTION BOX & CABLE GLAND
MSS for CABLE
MSS for CABLE LADDER & TRAY
MSS for TUBE & TUBE FITTING
1.2.2 Sketches (SKT) All the sketches are designed and produced in AUTOCAD software. Sketches are the drawings without scale for demonstrating the details of different part of design. Below are the main sketches designed by instrument department:
SKETCHES SKT for INSTRUMENT & CONTROL SYSTEM GROUNDING SKT for JUNCTION BOX DETAILS SKT for MAIN CONTROL BUILDING ENTRY SKT for INSTRUMENT CONNECTIONS ON VESSELS SKT for INSTRUMENT AIR PIPING DETAILS SKT for INSTRUMENT MOUNTING DETAILS SKT for INSTRUMENT ELECTRICAL CONNECTONS DETAILS SKT for INSTRUMENT PROCESS PIPING DETAILS SKT for ANALYZER PROCESS HOOK-UP SKT for JB TERMINAL ARRANGEMENT SKT for MCC INTERPOSING RELAY CABINET DIAGRAMS SKT for 110VAC UPS,DISTRIBUTION PANEL
SKT for INSTRUMENT & CONTROL SYSTEM GROUNDING It is used for earthing of metallic frames of cabinets, panels, consoles, junction boxes, cable wire armour, AC power supply of control systems, IS instruments, NIS instruments, zenner barrier, … See sample at next slide
SKT for INSTRUMENT & CONTROL SYSTEM GROUNDING
SKT for JUNCTION BOX DETAILS Shows the internal wiring of junction boxes See sample at next slide
SKT for JUNCTION BOX DETAILS
SKT for MAIN CONTROL BUILDING ENTRY Shows the detail of how to entry the cable from outside of control room to inside of it. See sample at next slide
SKT for MAIN CONTROL BUILDING ENTRY
SKT for INSTRUMENT CONNECTIONS ON VESSELS Shows all instrument nozzles quantity, size, rating, elevation on vessels. See sample at next slide
SKT for INSTRUMENT CONNECTIONS ON VESSELS
SKT for INSTRUMENT AIR PIPING DETAILS Shows the distribution of instrument air pipe and required materials to control valves, on-off valves and any air consumer equipment. See sample at next slide
SKT for INSTRUMENT AIR PIPING DETAILS
SKT for INSTRUMENT MOUNTING DETAILS Shows the detail for supporting and fixing the instruments, panels, junction boxes,… See sample at next slide
SKT for INSTRUMENT MOUNTING DETAILS
SKT for INSTRUMENT ELECTRICAL CONEECTION DETAILS Shows the detail of cable installation, cable glanding, cable marking, junction box wiring, … See sample at next slide
SKT for INSTRUMENT ELECTRICAL CONEECTION DETAILS
SKT for INSTRUMENT PROCESS PIPING DETAILS Shows the required materials and how to connecting instrument to pipe/vessel. See sample at next slide
SKT for INSTRUMENT PROCESS PIPING DETAILS
SKT for ANALYZER PROCESS HOOK UP Shows the hook up for sampling points. See sample at next slide
SKT for ANALYZER PROCESS HOOK UP
SKT for JUNCTION BOX TERMINAL ARRANGEMENT Shows all the junction box terminals and the cable cores connected to it. See sample at next slide
SKT for JUNCTION BOX TERMINAL ARRANGEMENT
SKT for MCC INTERPOSING RELAY CABINET DIAGRAMS Shows the cables between IRC & FCS & MCC. See sample at next slide
SKT for MCC INTERPOSING RELAY CABINET DIAGRAMS
SKT for 110VAC UPS,DISTRIBUTION PANEL Shows the feeder number, load for each consumer that needs to 110vac ups power. See sample at next slide
SKT for 110VAC UPS,DISTRIBUTION PANEL
1.2.3 Scaled Drawings (DWG) Are drawings with known scale 1, 1/50, 1/100, 1/200, … For generating these drawings, several references are needed same as Overall plot plan, Unit plot plan, Piping plan, Structure plan, Equipment layouts,… AUTOCAD, PDMS are the main softwares for generating these documents. These drawings is divided to 3 groups as below: OVERALL DRAWINGS FIELD DRAWINGS CONTROL ROOM DRAWINGS
OVERALL DRAWINGS OVERALL CABLE LAYOUT It is a drawing that shows cable routes on overall plot plan without tendency to detail See sample at next slide
OVERALL CABLE LAYOUT
OVERALL DRAWINGS KEY PLAN It is a drawing that divides the plot plan to areas with special numbers and known boundary. See sample at next slide
KEY PLAN
FIELD DRAWINGS The drawings show all cables, cable ladder/trays, junction boxes, instruments, instrument air, control valves at an area. See sample at 2 next slides
INSTRUMENT FIELD/CABLE LAYOUT
ANALYZER HOUSE LAYOUT
1.2.4 LISTS (LST) Some documents will be generated at a list format. Excel or Word software is the main software generating these documents as below: INSTRUMENT CABLE DRUM ALLOCATION INSTRUMENT CABLE LIST UPS CONSUMER LIST SEGMENT INSTRUMENT GROUPING
CABLE DRUM ALLOCATION It is a document that shows amount, tag no., color, size and application of each cable drum.
INSTRUMENT CABLE LIST It is a list that shows required information of all cables same as start point of laying, end point, distance, size, cable gland size, cross section, …
UPS CONSUMER LIST It is a list that shows all consumers that need to redundant 110vac power supply. see sample at next slide
UPS CONSUMER LIST
SEGMENT INSTRUMENT GROUPING It is a list that shows group no., segment no., topology type, spur length, trunk length of all field bus instruments. see sample at next slide
SEGMENT INSTRUMENT GROUPING
1.2.5 DATA SHEETS (DSH) Documents that show all characteristic of an equipment for manufacturer.These characteristics differ for each equipment. Data sheets are divided to 3 groups as below: JUNCTION BOX DATA SHEET CABLE DATA SHEET CABLE GLAND DATA SHEET
JUNCTION BOX DATA SHEET
1.2.6 MATERIAL TAKE OFF (MTO) Documents that show the amount of each material, equipment, … MTO are divided to 8 groups as below: CABLE MTO GLAND MTO CABLE TRAY & LADDER MTO JUNCTION BOX MTO CABLE ACCESSORIES MTO PIPE & PIPE FITTINGS MTO TUBE & TUBE FITTINGS MTO INSTALLATION MATERIAL MTO
CABLE MTO
2. PURCHASES Purchasing activities are as below: 2.1) REQUSITION (REQ) Documents that will be issued to obtain quotation for supply and delivery of materials. 2.2) TECHNICAL BID ANALYSIS (TBA) After receiving technical bids from different vendors,there bids will be compared to standard specifications & data sheets. 2.3) PURCHASE ORDER (PO) After vendor selection,the requisition will be revised as PO and all the detail technical notes will be clarified and noted for vendor. 2.4) VENDOR DRAWING CHECKING After receiving drawings from vendor, these drawings will be checked technically. 2.5) INSPECTION & TEST
3.Other department package assistance In a plant there are many packages such as Compressor, Reformer, heavy pumps, Tanks, Utility packages and etc, which needs the support of instrument department for the compliance with other part and systems of the plant.