Electrical and Instrumentation Requirements for Packaged Equ.pdf

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  • 8/19/2019 Electrical and Instrumentation Requirements for Packaged Equ.pdf

    1/23

    TECHNICAL SPECIFICATION

    ELECTRICAL AND INSTRUMENTATIONREQUIREMENTS FOR PACKAGED EQUIPMENT IS100E BASE

    DATE: 03 APR 2003 ENGINEERING SERVICES BY KBR TECHNICAL SERVICES, INC.  PAGE 1 OF 23

    TABLE OF CONTENTS 

    Section Title Page No. 

    1.  GENERAL ......................................................................................................................................11.1 Scope..............................................................................................................................................11.2 Codes and Industry Standards .......................................................................................................21.3 Government Regulations................................................................................................................31.4 General Requirements....................................................................................................................3 2. CONTROL SYSTEM PARAMETERS ............................................................................................32.1 General ...........................................................................................................................................32.2 Distributed Control System/Plant Control System Interface...........................................................32.3 Pneumatic Instruments...................................................................................................................43. INSTRUMENT SPECIFICATIONS .................................................................................................43.1 Design.............................................................................................................................................43.2 Instrument Installation.....................................................................................................................43.3 Flow ................................................................................................................................................5

    3.4 Level ...............................................................................................................................................63.5 Pressure..........................................................................................................................................83.6 Temperature ...................................................................................................................................93.7 Control and Instrument Valves .....................................................................................................103.8 Programmable Logic Controllers (PLC)........................................................................................113.9 Local Control Panels.....................................................................................................................113.10 Local Control Panel Wiring ...........................................................................................................123.11 Annunciators.................................................................................................................................133.12 Equipment Protection ...................................................................................................................144. PIPING AND TUBING REQUIREMENTS ....................................................................................144.1 General .........................................................................................................................................144.2 Process Connections....................................................................................................................154.3 Purging of Process Connections ..................................................................................................15

    4.4 Pneumatic Supply .........................................................................................................................164.5 Tubing ...........................................................................................................................................164.6 Instrument Piping and Tubing Supports .......................................................................................165. ELECTRICAL REQUIREMENTS .................................................................................................175.1 Power Distribution.........................................................................................................................175.2 Control Systems............................................................................................................................175.3 Grounding .....................................................................................................................................185.4 Wiring Methods .............................................................................................................................186. ADDITIONAL REQUIREMENTS..................................................................................................226.1 Identification..................................................................................................................................226.2 Inspection and Testing..................................................................................................................226.3 Preparation for Shipment ..............................................................................................................236.4 Documentation Requirements......................................................................................................23

    1. GENERAL

    1.1 Scope

    1.1.1 This specifies the requirements for the specification, procurement, fabrication, inspection, and testing ofelectrical, instrumentation, control, and associated systems provided as part of packaged equipment.

    1.1.2 The purpose of this specification is to define minimum technical requirements for electrical,instrumentation and controls for equipment furnished as a package.

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    TECHNICAL SPECIFICATION

    ELECTRICAL AND INSTRUMENTATIONREQUIREMENTS FOR PACKAGED EQUIPMENT IS100E BASE

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    1.1.3 The following notations are used throughout this Specification:

      Identifies requirements to be specified by Purchaser for Supplier’s information.  Identifies items of supply that require Purchaser acceptance.

    1.2 Codes and Industry Standards

     Applicable requirements in the latest edition, revision, or addendum of the following codes, standards, andreferences shall be considered an integral part of this Specification. Requirements modified by thisSpecification, Purchaser’s referenced drawings, or a purchase order shall take precedence over publishedspecifications.

    AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI C80.1 "Rigid Steel Conduit-Zinc Coated (GRC)"

    AMERICAN PETROLEUM INSTITUTE (API) API MPMS Chapter 14, "Natural Gas Fluids Measurements"

    AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) ASME MFC-3M, "Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi" ASME B31.3, "Process Piping"

    AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)  ASTM A269, "Seamless and Welded Austenitic Stainless Steel Tubing For General Service"

    FLUID CONTROLS INSTITUTE (FCI)FCI 70-2, "Control Valve Seat Leakage"

    INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)IEC 60751, "Industrial Platinum Resistance Thermometer Sensors"

    INSTRUMENTATION SYSTEMS AND AUTOMATION SOCIETY (ISA)ISA 18.1, "Annunciator Sequences and Specifications"ISA 84.01, "Application of Safety Instrumented Systems for the Process Industries"

    NATIONAL ELECTRIC MANUFACTURERS ASSOCIATION (NEMA)NEMA 250, "Enclosures for Electrical Equipment (1000 Volts Maximum)"NEMA KS 1, "Enclosed and Miscellaneous Distribution Equipment Switches (600 volts Maximum)"NEMA MG-1, "Motors and Generators"

    NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)NFPA 70, "National Electrical Code" (NEC)

    NFPA 496, "Purged and Pressurized Enclosures for Electrical Equipment"

    UNDERWRITERS LABORATORIES (UL)UL 98, "Safety Enclosed and Dead-Front Switches"UL 198E, "Safety Class R Fuses"UL 913, "Standard for Safety Intrinsically Safe Apparatus and Associated Apparatus for Use in

    Class I, II, III, Division 1, Hazardous (Classified) Locations"

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    1.3 Government Regulations

    Federal Standards and Instructions of the Occupational Safety and Health Administration (OSHA), including any

    requirements by state or local agencies that have jurisdiction where the equipment will be installed, shall apply.

    US DEPARTMENT OF LABOR, OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)OSHA 29 CFR 1910 - Occupational Safety and Health Standards

    1.4 General Requirements

    1.4.1 Instruments and electrical materials shall be furnished in accordance with the accepted list ofSuppliers/Manufacturers.

    1.4.2 Neither mercury nor asbestos shall be permitted.

    1.4.3 Instruments and electrical components and materials shall be listed by a recognized national testing

    laboratory.

    1.4.4 All pre-wired assemblies shall be UL listed or approved by a testing organization acceptable to theauthority having jurisdiction.

    1.4.5   Design, material, equipment, and installation shall meet the specified passive electrical areaclassification without purging. Purchaser will provide area classification requirements.

    1.4.6 Within two weeks of the purchase award, the Supplier shall provide a preliminary estimate ofinterconnecting cabling/wiring by type, size, and number of conductors.

    2. CONTROL SYSTEM PARAMETERS

    2.1 General

    2.1.1   The control philosophy shall require documented Purchaser review and acceptance. Purchaseracceptance shall not relieve Supplier of the responsibility of furnishing safe and functional equipment that meetsall safety (fail-safe) and functional performance requirements.

    2.1.2   A Purchaser/Engineering Contractor/Supplier coordination meeting shall be required to define, review,and accept operational specification and programming approach, unless otherwise specified, as detailed later.

    2.1.3 Instrument ranges, pressure ratings, and materials of construction shall be based on specified fluidproperties and data, operating conditions, and design basis.

    2.2 Distributed Control System/Plant Control System Interface

    2.2.1   Purchaser will specify the use and type of Distributed Control System (DCS), local ProgrammableLogic Controller (PLC), remote PLC, other microprocessor based systems, required instrumentation andinterfaces for integration into the overall control system. Content and method of integration shall requirePurchaser acceptance.

    2.2.2   Protocols and formats for the communication interface shall be provided as defined for the project.

    2.2.3 The failure mode of any instrument or related control component shall take the packaged equipment to asafe state and ensure adequate reliability.

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    2.3 Pneumatic Instruments

    2.3.1 Pneumatic instruments shall normally operate with a nominal 20 psig (138 kPa) air supply and 3-15 psig

    (21-103 kPa) input and output signals.

    2.3.2 Each pneumatic instrument shall have an individual air supply complete with shutoff valve and air set (airfilter/regulator with output gauge).

    2.3.3 Pneumatic instruments shall fail safe on supply failure, or control signal failure.

    3. INSTRUMENT SPECIFICATIONS

    3.1 Design

    3.1.1 All instrument process connections shall conform to the piping requirements of Section 4.2.

    3.1.2   Dedicated, independent instrument process connections shall be used for redundant processmeasurements that are part of Safety Instrumented System (SIS) or that are required to enhance reliability.

    3.1.3   Unless otherwise specified, process transmitters shall be used. The use of process switches requiresPurchaser's acceptance.

    3.1.4   Materials shall be suitable for the process and environmental conditions specified. If not specified,316 stainless steel shall be used as a minimum.

    3.1.5   Bodies of cast iron, ductile iron, brass or bronze shall not be used for control valves, regulators,instrument valves, or level instrument chambers, except in water or air services in non-hazardous unclassifiedareas. Purchaser acceptance is required.

    3.1.6 Instrumentation and control system shall be fully assembled, piped, and wired except as noted inParagraph 3.1.7.

    3.1.7 Instruments that require field installation and items that were removed and shipped loose shall beidentified on the drawings, packing lists, and on the item itself. The “shipped loose items list” shall be issued toPurchaser at the time of Supplier engineering.

    3.1.8 All instrument equipment shall be enclosed in environmentally appropriate enclosures per NEMA 250.

    3.2 Instrument Installation

    3.2.1 Instruments shall be located and installed such that:

    a. Accuracy and reliability are not impaired due to vibration, pulsation, temperature, or contamination.

    b. Device readability, functional operation, and maintainability are not impaired.

    c. The length of instrument impulse lines connected to process pipelines or equipment is minimized.Sufficient length shall be provided for high temperature processes so that the process temperature does notadversely affect the transmitter.

    d. Personnel can easily and safely inspect and perform maintenance and repair (e.g., not under grating or inany place or manner not providing a safe footing or access).

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    3.2.2 To ensure accessibility, instruments (e.g., transmitters, and control valves including their isolation valves)shall be located to satisfy one of the following conditions:

    a. No higher than 6 feet above an unobstructed working platform level and no lower than 2 feet above skiddeck surface

    b. No more than 5 feet (1.82 m) vertically or 1 foot (0.30 m) horizontally and 4 feet (1.2 m) vertically from anelevated fixed platform (skid deck). Minimum height location above a fixed platform is 1 foot (0.3 m).

    c. No greater than 1.5 feet (0.45 m) from fixed ladders, or ladder access with Purchaser acceptance.

    3.2.3   Instruments requiring frequent calibration or maintenance that are not accessible from grade or a fixedplatform shall require Purchaser acceptance. Examples include in-line meters, analyzers, sample systems, andsafety system instruments. All access platforms and permanently affixed ladders shall be furnished by thePackage Equipment Supplier.

    3.2.4 Instruments in steam, liquid, liquid-sealed, or condensing service shall be located below the processconnection point.

    3.2.5 Instruments in gas or vapor (non-condensing) service shall be self draining and located above theirprocess connection point.

    Note: Instruments having purged impulse lines and seal loops may be mounted above or below processconnection.

    3.2.6 Local instruments that are not line-mounted shall be supported using prefabricated NPS 2 Schedule 40hot dipped galvanized pipe for instrument supports.

    3.2.7 Instrument supports shall be securely anchored; of rigid construction; plugged or sealed at top of the pipeto prevent water entry; provided with a 1/4 inch (6 mm) hole above the base plate to allow water drainage; notmounted on rails.

    3.2.8 If possible, multiple instruments in close proximity to one another shall be supported with an instrumentsupport.

    3.2.9 Welded areas, drilled holes, and pipe threads on galvanized steel pipestands shall be prepped andsprayed with cold galvanization.

    3.3 Flow

    3.3.1 Sizing Flow Instruments

    a.   Calculations for sizing Bernoulli type flow measurements such as concentric square-edged orifice

    meters, venturis, flow nozzles, and averaging Pitot tubes shall comply with API MPMS Chapter 14, Part 1,or ASME MFC-3M. The normal flow readings should be between 65% and 80% of maximum process flow.The Beta ratio (ratio of orifice bore diameter to pipe internal diameter) shall be greater than or equal to 0.2and less than or equal to 0.75.

    b.  Use manufacturer’s sizing and calculation methods for other types of flow meters.

    3.3.2 Orifice Meter

    a. Orifice plate material shall be 316 stainless steel, unless another material is required for process reasons.

    b. Orifice plate style shall be square edge type for use in orifice flange sets.

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    c. Orifice plates in horizontal 2 inch (50 mm) or larger piping shall have drain holes in gas service havingentrained liquids; vent holes in liquid service having entrained gas; effects of such holes on measurementaccuracy noted or compensated for in calculations.

    d.   Orifice meter flange sets shall have a minimum ASME Class 300 rating. The flange taps shall bewelded connections. Any deviations require Purchaser acceptance.

    e. In vertical lines, the flow shall be downward for wet gases and saturated steam, and upward for liquidscontaining vapor.

    f. Minimum pipe size for orifice meter runs shall be 2 inches (50 mm).

    g.   The use of integral orifices may be used for flow metering in line sizes smaller than 2 inches.

    h. Bernoulli type flow measurements such as orifice meter straight run requirements shall comply with ASME MFC-3M or API MPMS Chapter 14, Part 2. No flow disturbance such as elbow, tee, valve or

    reducer shall be allowed in the required straight run.

    i.   Use of straightening vanes or flow conditioners shall require Purchaser acceptance.

     j. Thermowells for use in temperature correction of flow measurement data shall be located between 5 and 10pipe diameters downstream of the orifice plate flow element.

    k. Supplier shall check thermowells for vibratory flow conditions.

    3.4 Level

    3.4.1 General

    a. Differential pressure transmitters are preferred for process level measurement. Transmitters shall beprovided with two valve manifolds.

    b. Level and interface instruments shall be directly connected to vessels or standpipes, and shall not beconnected to process lines.

    c. Piping from vessel to standpipe or level instruments shall not have traps or pockets.

    d. Piping from level gauges and external displacer type level instruments shall be self-draining into a vessel orstandpipe.

    e.   External standpipes shall not be used for services with process temperatures below -40°F (-40°C).

    Level instruments for services with process temperatures below -40°F (-40°C) shall be individuallyconnected directly to the vessel and shall require Purchaser acceptance.

    f.   There shall be a block valve between the vessel connection and the level instrument unless theinstrument is designed to be mounted inside the vessel. Externally mounted instruments are preferred overinternally mounted instruments. Purchaser acceptance is required for installations where the instrument ismounted inside the vessel.

    g. Probes that are internal to a vessel shall conform to the electrical area classification inside the tank(typically Class I, Division 1).

    h. Differences in specific gravity between the vessel contents and the external level piping or sealing fluidsshall be taken into consideration for calibration of the level instrument.

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    i. Level transmitters and level gauges shall be piped so that they can be independently isolated formaintenance (i.e., do not install with only a single valve that will disable both the transmitter and the gauge).

    3.4.2 The diaphragm seal fluid, seal leg fluid, and purge fluid of differential pressure level instruments shall becompatible with the process fluid and ambient temperature extremes, and process/pressure vacuum conditions.

    3.4.3 Installation of level transmitter remote diaphragm seals shall comply with the following:

    a. Transmitters shall be mounted at or below the high-pressure nozzle (vessel lower nozzle), below lowestanticipated operating liquid level.

    b. Provide a bleed ring between the block valve and the diaphragm seal.

    c. Capillary tubing shall be of sufficient length to account for routing requirements, shall be armored, and shallbe furnished in manufacturer’s standard lengths.

    d. Capillary tubing seal legs shall be mechanically protected and adequately supported.

    e. Excess capillary tubing shall be coiled at the receiving device.

    f. Capillary lines shall be routed away and/or insulated if they pass by steam or high temperature heat transfermedia jackets on a vessel or other high temperature sources.

    g. Capillary length of both seal legs shall be identical on differential pressure transmitter remote seals.

    3.4.4   Displacement Instruments

    a. Displacement type level instruments shall not be used for extremely viscous materials, for services whichhave agitated fluids, for services that coat or build up deposits on the displacer or rod, or for any servicethat requires purging to prevent plugging and/or sticking or excessive condensation or vaporization of fluidsin the chamber due to temperature differences between the vessel and level displacer chamber.

    b.   If displacement type level measurement range exceeds 48 inches (1219 mm), application shall requirePurchaser acceptance.

    c. Displacement type level transmitters shall have rotatable heads.

    d. Displacement type level transmitters and switches in services with process liquid temperatures below 0°F

    ( -18oC) or above 400°F (204

    oC) shall have air fins or other means of isolating the device from the process

    temperature in accordance with the recommendations of the transmitter/switch manufacturer.

    e. Displacer chambers shall have material and Maximum Allowable Working Pressure (MAWP) equal to orgreater than that of the vessel.

    f. Displacer chambers shall have vent valves and drain valves.

    g. To prevent possible displacer damage, displacer chambers shall be isolated and vented or the levelinstrument shall be removed during vessel hydrotest.

    h. Displacer element assembly shall comply with the following:

    1. All wetted parts materials shall be compatible with the process fluid.

    2. Displacer element shall be freely suspended in the liquid (i.e., it shall not contact the bottom or sides ofthe chamber or any process material buildup in the chamber).

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    3. The displacer shall be preassembled and installed vertically.

    4. For measuring liquid-liquid interface, the displacer element shall be completely submerged.

    i. Liquid-liquid interface level measurements using standard displacers shall require a difference in specificgravity of the two liquids greater than 0.2.

    3.4.5 Level Gauges

    a. Magnetic level gauges are preferred for hazardous liquid applications. Flat glass reflex type shall be usedfor all other applications. Pad type reflex welded-in gauge glass is acceptable for lube and hydraulicreservoir applications.

    b. Gauges shall have vent and drain valves.

    c. Installation shall include provisions for isolating in the gauge to allow for cleaning.

    d. Tubular glass gauges shall not be allowed.

    e.   For reflex glass gauges and transparent glass gauges, tempered Borosilicate, Pyrex®

     or equal glass

    shall be used in applications at or below 450°F (232°C). Purchaser acceptance is required for service

    between 450°F (232°C) and 600°F (315°C).

    f.   Transparent glass gauges shall require Purchaser acceptance.

    3.5 Pressure

    3.5.1 General

    a. Pressure measurement points for gas or vapor service shall meet the following criteria:

    1. Use top or side taps.

    2. Mount transmitters above the pressure taps and slope impulse lines downward to the root valve oneinch per foot.

    b. Pressure measurement points for liquid and condensing service shall meet the following criteria:

    1. Use side taps.

    2. Mount transmitters below the pressure taps and slope impulse lines upward to the root valve one inchper foot.

    c.   Pressure instruments shall have diaphragm seals if used in viscous fluids, slurries, or corrosiveapplications for fluids not compatible with measuring element material.

    d. Pressure transmitters and liquid filled pressure gauges shall have integral pulsation dampeners inoscillating services.

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    3.5.2 Pressure Gauges

    a. Nominal diameter shall be 4 1/2 inch (114 mm) externally threaded connection of 1/2 inch MNPT with

    wrench flats, stainless steel Bourdon tube and socket, unless the process conditions dictate otherwise. Thecase shall be solid front, weatherproof, with blowout backs or disks, stainless steel or phenolic. A visiblestop pin at the six o'clock position shall be provided. Gauge window shall be double strength, shatterresistant safety glass. The window shall be gasketed on the bezel side by means of a resilient gasket andheld in place from the case side by means of a threaded retainer ring. Siphons shall be provided asrequired by application.

    b. When measuring pulsating pressure, suitable dampening methods shall be employed (glycerin/silicon oilfilled gauges, dampening devices etc.). Fluorolube shall be used on the following services: chlorine, nitricacid, or hydrogen peroxide.

    c. Pressure gauges shall have a nominal working pressure is between 30% and 70% of scale range. Ensurethe maximum working pressure does not exceed the scale range.

    d. Pneumatic instruments shall have manufacturer’s standard integral pressure gauges provided on localcontrollers and valve positioners.

    3.5.3   Pressure switches, when accepted by the Purchaser, shall have diaphragm type process sensing unitsof all welded construction.

    3.6 Temperature

    3.6.1 General

    a. Use of temperature switches shall not be allowed.

    b. Temperature elements shall be provided as complete assemblies, including element, thermowell, andtermination head.

    c. Thermowell connection types shall conform to Table 1 in Section 4.2.

    d. Thermocouples and Resistance Temperature Detectors (RTDs) shall be stainless steel (or Inconel)sheathed, mineral-insulated construction.

    e. Process and utility fluid temperature sensing devices shall be mounted in thermowells.

    f. A dual temperature element shall not be used to provide separate signals to different instruments orredundant inputs to a logic control system.

    g. Thermocouple and RTD termination heads shall be copper free cast aluminum and weatherproof to a

    minimum NEMA 4 and NEMA 7 or 9 if explosion proof is required. Heads shall have a minimum of threeterminals for thermocouples and four for RTDs and have 3/4-inch NPT conduit connections.

    h. RTDs are preferred up to 600°C.

    i.   Establish upscale or downscale burnout requirement.

    3.6.2 Thermocouple types shall be Type K. Duplex thermocouples, if used, shall both be terminated in thehead. Thermocouples shall be ungrounded.

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    3.6.3 Process temperature and machinery bearing and motor winding temperature RTDs shall be 3- or 4-wireconstruction, as specified on the completed Data Sheet. RTD's shall have a platinum sensor of 100 ohms at

    0°C with a temperature coefficient of 0.00385 ohms/ohm/°C and comply with IEC 60751 (equivalent to

    DIN 43760, ASTM 1137).

    3.6.4   Use of filled thermal system instruments shall require Purchaser acceptance.

    3.6.5 Thermowells

    a. Thermowells shall not be located between suction screens and inlets of pumps, compressors, or turbines.

    b. Construction of thermowells shall be of stainless steel material, 316 minimum, except where processconditions require other alloys; be fabricated from solid barstock; have a bore diameter of 0.26 inch(6.6 mm) for thermocouples and RTD sensors; have process connections per Table 1, Section 4.2. Thebody and flange shall be of the same material.

    c. Thermowell lengths shall be confirmed as suitable for the maximum fluid velocity and resulting vibration.

    d. Where practical, thermowell shall be installed in a piping elbow pointed toward the flow. Thermowell shallnot be installed in location where stagnation of the flow stream is possible.

    3.6.6 Local temperature indicators shall be bimetallic every angle type thermometer with 5 inch (127 mm) dial.

    3.7 Control and Instrument Valves

    3.7.1   The Supplier automated valve specification shall be reviewed and accepted by Purchaser.

    3.7.2 Actuators shall be designed to meet all operating and shutoff conditions.

    3.7.3 Valves ASME Class 125 or flanges ASME Class 250 shall not be used.

    3.7.4 Automated valves installed in lines smaller than 1 inch shall be line size.

    3.7.5 Valves in line sizes 1 inch and larger shall have a minimum valve body size of 1 inch, but not less thanone size less than pipe size.

    3.7.6   Seat leakage of automated valves shall comply with FCI 70-2 standards. Purchaser will identify seatleakage requirements for the automated valves.

    3.7.7 Control valves shall have positioners.

    3.7.8 Electro-pneumatic positioners shall be control valve manufacturer’s standard.

    3.7.9 Ball or equivalent rotary valves shall be preferred for on-off service.

    3.7.10   Use of automated gate valves shall require Purchaser acceptance. Use of butterfly valves inthrottling service shall require Purchaser acceptance.

    3.7.11 Face-to-face dimensions shall comply with ANSI/ISA standards.

    3.7.12 Control valve body sizes shall not be 1-1/4 inch, 2-1/2 inch, 3-1/2 inch, or 5 inch.

    3.7.13 Control valves shall be sized to control normal flow rates from 50% to 80% of maximum opening of thevalve.

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    3.7.14 Sizing of control valves shall be based on ISA standard valve sizing equations or on sizing programs ofaccepted valve manufacturers.

    3.7.15 The composite noise level produced by control valves shall not exceed 85 dBA and shall comply withOSHA 1910.95.

    3.7.16   Packing for operating temperatures up to 450oF (232

    oC) can be Teflon or graphite. Packing for

    operating temperatures above 450oF (232

    oC)shall be graphite, and Purchaser shall specifically review seal

    designs. Asbestos packing shall not be used.

    3.7.17 Solenoid valves shall be low power consumption type with 24 volt DC coils. All electrical solenoid valvecoils shall be encapsulated to protect coils from ambient conditions in accordance with NEMA MG-1 Part 1.65.Class H NEMA rating is the minimum requirement.

    3.7.18   Use of electric actuators, electro-hydraulic actuators, or hydraulic actuators shall require Purchaseracceptance.

    3.7.19 Direct operating pressure reducing regulators shall be used only in clean fluids and simple applicationssuch as for reducing instrument air supply pressure to panels or for inert gas blanketing of storage tanks.

     Actuators for self-acting regulating valves shall be capable of withstanding the maximum upstream designpressure.

    3.8 Programmable Logic Controllers (PLC)

    3.8.1   The PLC manufacturer and model number for the packaged equipment shall require Purchaseracceptance.

    3.8.2   PLC programming and configuration shall be provided by the Supplier.

    3.8.3   The Package Equipment Supplier shall provide a programming tool (handheld or PC software) for thePLC as specified.

    3.9 Local Control Panels

    3.9.1 The local panel shall be weatherproofed to NEMA 4 construction, and suitable for operation in theenvironmental conditions specified.

    3.9.2 Supplier shall provide opening(s) and designated space for wire and tubing that will be installed afterpackage arrives at site. Field installation shall not require cutting holes in panel or installing hardware inside thepanel to secure Owner-installed wire and tubing. Conduit and cable entries shall be bottom or side.

    3.9.3 All panel openings shall be plugged for shipment to prevent water or dirt from entering during shipment orstorage prior to installation.

    3.9.4 Panel light functions that duplicate annunciator readouts shall not be repeated from the annunciator.

    3.9.5   Prior to fabrication, Purchaser’s acceptance shall be required for layout of panel face-mounted andinternal components, design of system cabinets, detail drawings, materials of construction, and nameplatewording.

    3.9.6 No process fluids or process gases other than air shall be permitted inside any local panel.

    3.9.7 Panels shall have a minimum 3/16 inch (4.76 mm) thick steel plate vertical face; be totally enclosed withaccess door or doors that provide sufficient clearance for full internal access, and have all stainless steelhardware.

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    3.9.8 Panels shall have a self-supporting box type main framework made of steel standard structural shapescoated for the environment, and have lifting provision integral to panel box frame.

    3.9.9   If specified for outdoor installation, panels shall have a weather hood or canopy of minimum 12 gagemetal at top of front panel to protect the panel face instrumentation.

    3.9.10 Panels located outdoors shall have adequate internal and external lighting rated for the electrical areaclassification. Area lighting shall not be assumed adequate.

    3.9.11 The local panel or panel section shall have a steel primary framework for supporting conduit, tubing,wireway, switches, air piping, and instrument accessory items (e.g., relay enclosures, transducers, pressureswitches, valves, and air relays). Ensure the framework design does not interfere with instrument connectionsor with access needed for maintenance or adjustment.

    3.9.12 Rear access doors shall be flush fitting, gasketed, secured with three-point latches, provided withlockable door handles, and provided with common keyed locks for all the doors on one panel assembly.

    3.9.13 Panel face instruments shall be suitable for the specified environmental conditions, flush mounted,provided with manufacturer’s standard finish, and identified by means of instrument manufacturer’s standardnameplate holder or by plastic engraved nameplates.

    3.9.14 Plastic engraved nameplates shall be mounted to the panel with stainless steel screws.

    3.9.15 If pneumatic instruments are required in the control panel, air supply design shall include dual air filtersand regulators, and the capability of each regulator and filter to pass the required air supply volume andpressure. Full block and bleed valves shall be provided for separate maintenance of each set of filters andregulators. Pneumatic signal tubing shall enter local control panel through the sides via bulkhead union fittings.

    3.9.16 Pilot lights, pushbuttons, and switches shall be oil-tight, heavy duty type, have open screw type terminalsonly, have pushbuttons supplied with protective guards or that are recessed mounted, and use lamps that arederated (e.g., rated for 240 volts AC when operated at 120 volts AC).

    3.9.17 A minimum of one common lamp test pushbutton shall be provided.

    3.9.18 Control panels shall be located to allow operation of the mechanical equipment and panel instrumentswithout exposure of personnel to potentially unsafe conditions.

    3.9.19 Location of panels shall allow for performance of normal maintenance of all portions of the packagedequipment; adequate rear door clearance; personnel access to the panel internal items; and, safe emergencypersonnel egress from rear of panel with door opened per code requirements.

    3.9.20 A "Shield Ground" system shall be provided completely separate from the "AC Ground" system withinthe panel. Supplier shall provide a copper bus bar, at least 1 in. (25 mm) wide by 1/4 in. (6 mm) thick by length

    as required, for each of the two ground systems. Supplier shall tie these two ground systems together outsideof the panel.

    3.10 Local Control Panel Wiring

    3.10.1   Panel that contains devices that must be purged to meet electrical area classification requiresPurchaser acceptance. Devices that must be purged shall be within a separate enclosure that shall be purgedper NFPA 496 requirements (the complete panel shall not be purged per NEC just to satisfy the requirements ofa few devices).

    3.10.2 AC and DC wiring shall be kept segregated (including intrinsically safe and non-intrinsically safe) withincontrol panels in accordance with NEC. If DC power distribution is provided within a local panel, fused terminalsshall be used for individual circuit protection.

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    3.10.3 120 volt AC power distribution within panels or equipment cabinets shall meet the followingrequirements:

    a. Each instrument shall either be individually fused (preferred) or breaker protected in accordance with OSHAfor maintenance purposes.

    b. AC power shall be wired to a distribution terminal strip.

    c. When daisy chaining is used, feed shall be to both ends of terminal blocks. All parts of the chain shall beable to handle the maximum current load of the feed source.

    d. AC power wiring shall be 14 AWG minimum size, have THHN/THWN, 90°C/75°C, 600 V class insulation.Use larger size wire if overload protection exceeds 15 amperes.

    e. Panel shall have receptacles (inside panel) for test equipment and shall be supplied from a dedicated circuit

    breaker of an external utility power source. The receptacle shall be suitable for the country into which theequipment is being installed.

    f. AC receptacles shall be 3-wire type: hot (black), neutral (white), and ground (green), and have ground wireconnected to AC Safety Ground.

    g. Each panel-mounted metal instrument shall have an individual ground wire from the chassis to the commonpanel AC Safety Ground bus.

    h. Instruments with integral power cords normally include a ground wire in the power cord.

    i. Each instrument power supply, door, sub panel and chassis shall be grounded to the cabinet frame using12 AWG copper wire.

    3.10.4 Each wire shall be permanently tagged and identified at both ends.

    3.10.5 For instruments that terminate in the local panel, and do not continue to other control systems, then theoverall cable shield drain wires and individual pair shields shall be grounded to the ground bus in the localpanel.

    3.10.6 All wires of a cable, including spares and shield drain wires, shall be landed in a continuous order on aterminal strip, dressed out neatly, and labeled in accordance with Section 5.

    3.11 Annunciators

    3.11.1 Annunciators shall be self-contained solid-state, lighted, nameplate type provided with common“Acknowledge", “Test", and “Reset” pushbuttons and an audible alarm.

    3.11.2 System shall also be capable of remote “Acknowledge” and “Reset” by DCS or other remote controlsystem, if specified.

    3.11.3 The alarm sequence shall be in accordance with ISA 18.1. It shall include a first out feature of sequencenumber F1-M-1-14.

    3.11.4 Alarms shall be detected by the opening of the initiating contact.

    3.11.5 Each annunciator window shall have twin lamps.

    3.11.6 As a minimum, annunciator systems shall have a contact for a remote common trouble alarm.

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    3.11.7 Annunciators installed outdoors shall be minimum NEMA 4 rated. Additional NEC requirements shallalso apply as necessary to meet the electrical area classification requirements.

    3.12 Equipment Protection

    3.12.1   SIS, where required, shall comply with ISA 84.01.

    3.12.2   Equipment protection system shall be independent from the equipment basic control system.Combining the equipment control and equipment protection systems shall require Purchaser acceptance.

    3.12.3    SIS determination of the type of system and the Safety Integrity Level (SIL) should be based onISA 84.01. SIL determination will be conducted by the Purchaser and the Owner.

    3.12.4   SIS and control philosophy and hardware system shall require Purchaser review and acceptance.

    3.12.5 SIS shall be designed to put the Packaged Equipment in a safe mode upon initiation of a shutdown

    signal or power failure.

    3.12.6 Analog devices shall be used as inputs to the SIS. Discrete inputs should only be used when analogdevices are not practical.

    3.12.7 Each SIS signal shall have a pre-alarm before actuation of any protective function.

    3.12.8   Unless specified otherwise, alarm, shutdown, and ON/OFF control signals shall be 24 volt DC.

    3.12.9 Redundant instruments shall be powered by separate circuits and separate branches. Separate I/Ocards shall be supplied.

    3.12.10 Manually operated emergency shutdown stations (switches) shall be one of the following types:

    a. Dual-action movement (e.g., push and turn manual operations required)b. “Pull” action type equipped with a red “mushroom style” headc. Covered pushbutton

    3.12.11 A common trouble and a trip alarm shall be provided through voltage free contacts to Purchaser’scontrol system (i.e., separate contact for “trouble”/pre-trip alarm and a “system tripped” alarm).

    3.12.12  When specified, a separate alarm contact shall be provided for interface to the DCS.

    3.12.13   The alarm and trip settings shall be reviewed and accepted by Purchaser.

    3.12.14 Equipment protection transmitters shall be 4-20 mA output type, powered from the safety system, andwrite-protected if smart transmitter design.

    4. PIPING AND TUBING REQUIREMENTS

    4.1 General

    4.1.1 Instruments that require a process tap shall have primary block valve in accordance with Table 1 inSection 4.2.

    4.1.2 Process-connected instruments that are not line-mounted shall have secondary isolating valve andbleeder or valve manifold at the instrument.

    4.1.3 Threaded joints in instrument air service shall be made up using Teflon® dispersion sealant.

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    4.1.4 Avoid pocketing of piping and tubing.

    4.2 Process Connections

    4.2.1 Process instrument piping and connections shall be made with stainless steel pipe or stainless steeltubing to meet service conditions.

    4.2.2 Process gas or liquid sensing lines shall not be piped or tubed beyond the physical limits of the PackagedEquipment.

    4.2.3 Instrument process connections shall comply with Table 1 and ASME B31.3.

    TABLE 1INSTRUMENT CONNECTIONS TO PIPING, VESSELS, AND EQUIPMENT

    CONNECTIONTYPE OF INSTRUMENT

    THREADED (Note 2) WELDED FLANGED

    Thermowells: 3/4 inch or 1 inch 1 inch 1-1/2 inch

    Pressure: 3/4 inch or 1 inch 3/4 inch 1 inch

    Flow, Orifice withFlange taps: (Note 1)

    1/2 inch (600 # pipe class and under)3/4 inch (900 # pipe class and over)

    1/2 inch3/4 inch

    Level:

    Differential 3/4 inch 1 inch

    Internal Displacement 4 inch

    External Displacement 2 inch

    Probe 1 inch 1 inch

    Magnetic Level Gauge 2 inch

    Gauge Glass 3/4 inch 2 inch

    Bubbler 2 inch

    Diaphragm Seals 3/4 inch 1-1/2 in. or 3 in.

    Notes:

    1: Instrument connections on orifice with flange taps shall be threaded, or socket welded.

    2: Instrument connections on piping shall be minimum 3/4 inch threaded or welded.

    4.3 Purging of Process Connections

    4.3.1 If required to prevent plugging, freezing, or corrosion, process connections may be purged.

    4.3.2   Purge fluid shall be compatible with the process fluid and shall require Purchaser acceptance.

    4.3.3 Instrument connections to the process for streams containing suspended solids shall be vertical taps, orangled up (minimum 45

    o). No horizontal taps are allowed.

    4.3.4 Unless otherwise specified, purge systems shall be in accordance with NFPA 496 Type Z Classification.

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    4.4 Pneumatic Supply

    4.4.1 Air sets shall be rated for a maximum inlet pressure of 150 psig (1034 kPa), have filter/regulators with

    non-paper filter element, include integral dripwell and draincock, and be adjustable.

    4.4.2 All equipment of the air supply system shall be capable of being isolated by hand valves.

    4.4.3 Packaged Equipment air header shall be sized for maximum air consumption (i.e., all air users operatingat the same time). Minimum air header size shall be 1 inch, and material shall be minimum Schedule 40galvanized carbon steel.

    4.5 Tubing

    4.5.1 Tubing shall be installed in a manner that allows for calibration of instruments and removal of adjacentinstruments, equipment, and tubing.

    4.5.2 Tubes and tube bundles that handle process fluids shall not be installed in channel or cable trays thatcontain instrument or electrical cables.

    4.5.3 Process and pneumatic tubing shall be seamless per ASTM A269, fully annealed 316 stainless steel.

    4.5.4 Process and pneumatic tube fittings shall be 316 stainless steel, flareless dual ferrule compression type.

    4.6 Instrument Piping and Tubing Supports

    4.6.1 Design and installation of the supports shall:

    a. Avoid strain on equipment, piping connections, and instruments.

    b. Allow the flexibility required to accommodate thermal expansion or contraction of piping or equipment.

    c. Consider vibration of the process piping or equipment to which an instrument is connected. Welding ontothe process or utility piping is never allowed.

    d. Do not use process or utility piping to support tubes, tube bundles, or associated support channels andtrays.

    4.6.2 Tubing in raceways (e.g., on angle, channel, and in cable trays) shall be firmly attached to the support atintervals not exceeding 6 feet (1.8 m).

    4.6.3 Bare metal tubing shall be attached to structural angle, channel, and cable trays with stainless steelstraps or clamps. Stainless steel tubing shall not be routed near or supported by galvanized materials. Asuitable fireproof barrier shall be provided to prevent the stainless steel tubing from contacting any galvanizing.

    4.6.4 Tube bundles shall be secured with stainless steel metal straps and clamps or plastic tie-down straps.Tube bundle plastic tie-down straps shall be ultraviolet resistant, and of suitable material for the ambientconditions.

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    5. ELECTRICAL REQUIREMENTS

    5.1 Power Distribution

    5.1.1 General

    a. Purchaser will provide an electrical power supply of the voltage, phase, and frequency specified at aconnection point on the packaged equipment. All equipment and components shall be designed and ratedfor operation at this voltage. Supplier shall indicate the number of circuits required and shall depict thelocation where the power source is to be connected on plan view and elevation drawings. The packagedequipment shall be designed to allow Purchaser to provide only one, three-phase electric power supply.

    b. Where motor starters are to be supplied by Supplier, a main power disconnect device shall be arranged tointerrupt the external power source provided by Purchaser. On the load side of the main power disconnect,Supplier shall provide a separate power circuit including all conduit and wire for each three-phase load ormotor. Supplier shall provide a power disconnect device for each of these branch circuits.

    c. Where motor starters are not supplied by Supplier, but disconnect switches are to be supplied by Supplier,all raceway/conduit and wire from each disconnect switch to the three-phase load or motor shall beprovided by Supplier.

    d. Where neither motor starters nor disconnect switches are supplied by Supplier, all conduit and wire fromeach load shall be terminated in an appropriately sized junction box, which shall comply with NECrequirements for the intended service area.

    5.1.2 Safety Disconnect Switches

    a. Safety and disconnect switches shall meet the requirements of NEMA KS 1, Parts 2 and 4, and UL 98.

    b. Safety switches shall be NEMA Heavy Duty (HD), three-pole, single-throw, fusible or nonfusible, quick-make, quick-break, visible-blade type. Fusible switches shall be provided with Class R fuse holders.

    c. Switches rated 300 A or less shall be horsepower rated and sized for the installed horsepower.

    5.1.3   Transformers - When transformers are specified, they shall meet the requirements of Purchaserstandards shown on data sheet EE-EF26.

    5.1.4 Fuses

    a. One complete set of fuses shall be provided for all fusible equipment furnished or installed as part ofSupplier’s work.

    b. Fuses shall be UL Class RK-5, dual-element, time-lag cartridge type, nonrenewable with an interrupting

    rating greater than or equal to 100 000 A.

    5.1.5   Panelboards –When panelboards are specified, they shall meet the requirements of Purchaserstandards shown on data sheet EE-EF26.

    5.2 Control Systems

    5.2.1 General

    Wiring shall allow for the removal of any single device without affecting another device. As an example, wiringshall not pass through one device to connect to another device. Wiring and conduit shall “dead end” at eachdevice except for local indicators.

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    5.2.2 Instrument Power and Control Circuits

    a. 24 VDC loops with hard-wired signals to/from a DCS, PLC, or SIS shall be powered by their respective

    DCS, PLC, or SIS. Supplier shall provide interposing relays for 120 V AC circuits.

    b. Each instrument device requiring external power (i.e., 120 V AC) shall be on a separate circuit.

    c. Each instrument shall be protected by an individual fuse or current limiting device.

    d. Each wire within a cable, including spares, shall be terminated either in a single field device or a single field junction box. Splitting cables among multiple devices/boxes in the field is not permitted.

    e. Supplier shall provide specific fuse/breaker model numbers along with the associated time versus currentcurve.

    5.2.3 Switches

    a. For application of switches in equipment protection, refer to Section 3.12.

    b. Alarm and shutdown switches shall be snap acting, vibration resistant, Double Pole, Double Throw (DPDT),hermetically sealed and provided with noble metal switch contacts.

    c. Contact for switches and relays shall be rated for the maximum load condition and be suitable for aninductive load.

    5.3 Grounding

    5.3.1 The general requirements for electrical grounding and bonding of electrical installation shall be inaccordance with NEC Article 250, Grounding.

    5.3.2 Two grounding pads of suitable ampacity shall be provided at diagonally opposite corners of thepackaged unit.

    5.3.3 A copper ground bus with necessary mechanical lugs shall be provided in each control panel andpanelboard to provide a terminating point for plant ground conductor connections.

    5.3.4 A separate ground bus shall be provided for instrument circuits. This ground bus shall be insulated fromthe chassis and equipment ground.

    5.3.5 The raceway system shall be adequately bonded to the structure and shall have a continuous groundingpath consisting of a bonding conductor or conduit fittings accepted as a grounding means. Raceway shall notbe the sole means of grounding equipment. An insulated, green-colored grounding conductor shall be installedin each power conduit and shall be sized in accordance with the NEC.

    5.3.6 The ground system for the DCS/PLC/SIS shall be designed per DCS/PLC/SIS manufacturers'recommendations.

    5.4 Wiring Methods

    5.4.1 Wiring shall be separated by voltage level and application as follows and run in separate raceway/conduit:

    a. AC power and control (600 V and below).b. DC power and control.c. Intrinsically safe electronic signal wiring.d. Non-intrinsically safe electronic signal wiring, including thermocouple and RTD signals.e. Communications.

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    f. Class 2 and Class 3 power-limited circuits per NEC Article 725.

    5.4.2 Wire Marking - Instrument and control wiring shall be identified by legible markings at the terminals. Each

    end of every wire shall be provided with a heat-shrinkable or equivalent sleeve-type wire marker in accordancewith the related electrical and instrument drawings. Use of adhesive and clip-on type markers shall be avoided.

    5.4.3 Wire Connections and terminals

    a. The electrical items shall be physically mounted and completely wired by Supplier. Supplier shall provide junction box(es) with identified terminal blocks for interconnecting field wiring between package units, andwiring to locations outside the package. All such terminals shall be grouped, preferably at a single location,enclosed in a manner suitable to the environment and the electrical area classification, and arranged foreasy accessibility. Conduit coming from above shall be routed for bottom or side entry into enclosures.Installation drawings provided by Supplier shall clearly identify which wiring/cables are to be installed duringfield erection.

    b. Terminal blocks shall be of thermoplastic, non-corrosive, moisture-resistant material with anticorrosiveplated terminals. Support material shall be cadmium-plated or stainless steel screws and channels.

    c. Wiring connections shall be wired to terminal blocks. Not more than two connections shall be allowed ateach terminal point.

    d. Terminals for power distribution and for connection of alarm and shutdown systems shall be fused type.

    e. Terminals for thermocouple connections shall be used only when intermediate connections cannot beavoided. Thermocouple terminals shall be of the proper thermocouple material.

    f. Each terminal strip shall be tagged, and each terminal shall be tagged. A minimum of 20-percent spareterminals shall be provided in each terminal enclosure.

    5.4.4 Raceway Systems

    a. All wiring and cabling shall be installed in raceway/conduit with termination fittings accepted for the location.Supplier shall furnish and install necessary support material and accessories required including thecomplete raceway system.

    b. All conduits shall be hot-dipped galvanized rigid steel meeting the requirements of ANSI C80.1 or rigidaluminum whichever is more suitable for the atmosphere in which installed.

    c. Conduit size and fill shall be in accordance with the NEC Article 344. The minimum size conduit for generaluse shall be 3/4 in.

    d. Conduit shall be:

    1. Adequately supported to prevent applying loads to enclosures or devices.

    2. Routed to avoid causing safety hazards (including personnel tripping hazards).

    3. Installed to prevent vibration damage to the conduit systems, internal wiring, or conduit supports.

    4. Installed with low point drains or a drip loop to prevent water from draining into an instrument orenclosure.

    e. Conduit unions and fittings shall be provided to facilitate replacement of instruments and electrical devices.

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    f. Conduit fittings and junction boxes shall be installed with cover openings in the vertical plane. Access forremoval of covers shall not be blocked.

    g. Conduit fittings and support hardware shall be of a compatible material that will not result in galvaniccorrosion.

    h. Electrically conducting anti-seize compounds shall be applied at threaded joints on conduit and fittings.

    i. PTFE compounds or other similar insulating anti-seize materials shall not be used.

     j. Conduits shall be terminated with flexible metallic conduit at instrument or end device, except whenentering a junction box or control panel.

    k. Liquid-tight, flexible metallic conduit with accepted fittings shall be used in all areas at connections wherevibration, movement or adjustments are likely to occur; this type of conduit shall not be used in Class I,Division 1 hazardous (classified) locations.

    l. Flexible metallic conduits shall be specified and installed to meet the NEC Article 348.

    m. All flexible, liquid-tight metallic conduit connections shall have bonding conductors.

    n. Conduit seals shall not be poured by Supplier. Supplier shall provide the seals for pouring by others at siteper NEC Article 501.

    o. Each raceway system shall be designed to prevent accumulation of moisture inside the raceway orenclosure. Breathers shall be provided at the high points of outdoor raceway systems and enclosures.

    5.4.5 Enclosures

    a. Each motor, device, or instrument enclosure shall be suitable for the expected environmental conditionsand shall be of a type permitted under the hazardous area classification specified for the intendedequipment location.

    b. Enclosures for control panels, control boards, or electronic equipment shall be in accordance with NEC.The equivalent of NEMA Type 12 for indoor use and NEMA Type 4 for outdoor use is required, as aminimum.

    5.4.6 Wire and Cable

    a. All wire and cable shall comply with the requirements established for such materials and construction byNEC, ASTM, UL, and Insulated Cable Engineers Association (ICEA) where applicable.

    b. Cable insulation shall be selected to withstand the area operating temperature.

    c. All wiring shall be continuous from terminal to terminal. No taps or splices will be permitted.

    5.4.7 Power Supply Wiring - Power supply, alarm and shutdown, and general-purpose electric wiring for circuitsnot exceeding 600 V shall be stranded-copper type, minimum size No.14 AWG and insulated with a 75/90°Cinsulation system.

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    5.4.8 Electronic Signal Wiring

    a. All conductors for electronic signal wiring applications other than non-incendive intrinsically safe circuits and

    thermocouple wiring circuits shall be type ITC rated 300 V, installed in dedicated raceways or 600V ratedcable.

    b. Wiring for 4 to 20 mA analog signals shall be shielded and twisted pairs, minimum size No. 16 AWG forsingle pairs. Wiring for control or alarm circuits shall be No. 20 AWG multiconductor cable with an overallshield. Thermocouple wiring shall be shielded and twisted pairs, No. 16 AWG minimum size. RTD wiringshall be shielded No. 16 AWG stranded copper triad.

    c. 4-20 mA instrument signal wiring and shields shall be insulated from ground at the signal source andgrounded at the other end. Intrinsically safe circuits, when specified, shall comply with the requirements ofUL 913.

    d. All interconnecting wiring between Supplier-provided instruments and the Packaged Equipment mounted

     junction boxes and control panels shall be provided and installed by Supplier.

    e. In junction boxes, each individual pair and all pairs from the overall cable require permanent tags, affixed topairs (both sides of terminal strips).

    f. When interconnecting wiring by others is required between the Packaged Equipment components/skids, theSupplier shall provide junction boxes on each component/skid with wires terminated and tagged forinterface wiring by others.

    g. Instrument wire/cable shall be run in raceway, or conduit.

    h. Wiring from junction boxes to individual instruments shall be shielded twisted pair or triad 16 AWG minimumcables in conduit.

    i. Instrument signal (4-20 mA) wiring from junction box to junction box or control panel shall be 20 AWGminimum, twisted pairs in multi-pair cables with overall shield and drain wire.

     j. Installation drawings provided by the Supplier shall clearly identify which wiring/cables are to be installedduring field erection.

    k. In junction boxes, each individual pair shield shall be terminated to a dedicated terminal.

    5.4.9 Control and Instrument Cable - Control cable shall be color-coded and shall be jacketed type ITC wiring,or 600-V rated polyethylene insulated wiring with clear nylon cover over the insulation and polyvinyl chloride(PVC) jacket.

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    5.4.10 Color coding shall be as follows:

    Line Black

    Neutral White AC supply:Ground Green

    Positive RedDC supply:

    Negative Black

    Positive BlackDC signal:

    Negative White

     AC control: Red

    DC control Orange

    External interlock with outsidepower source:

    Yellow

    Intrinsically safe system: Blue

    Note: Neutral wires shall be white, except where there is more than one. In such cases, each shall be colorcoded to satisfy NEC Article 210.5.

    6. ADDITIONAL REQUIREMENTS

    6.1 Identification

    6.1.1 Instruments, equipment, and enclosures shall be identified before shipment by permanently affixing aname tag, or affixing stainless steel tag with stainless steel fasteners.

    6.1.2 Plastic nameplates shall be three-layer laminate material with black lettering engraved on a whitebackground. Safety systems shall have white lettering on a red background.

    6.1.3 Instrument nameplates shall be engraved with the instrument tag number and service description.

    6.2 Inspection and Testing

    6.2.1   Written test procedure for conducting a Factory Acceptance Test (FAT) and Site Acceptance Test(SAT) of instrumentation, protective, logic, safety, and control systems shall be submitted by the PackagedSystem Supplier for acceptance by Purchaser a minimum of 6 weeks before the scheduled test. FAT and SATshall be quoted when specified on the data sheets.

    6.2.2 Supplier shall notify Purchaser of the estimated time required to perform the instrumentation systemacceptance test.

    6.2.3 Unless otherwise specified, Purchaser shall require a minimum notice of 1 week in advance of scheduled

    acceptance test.

    6.2.4 Material, workmanship and compliance with all specifications, shall be subject to inspection andverification by Purchaser’s representative during and after fabrication.

    6.2.5 Purchaser's inspection or lack thereof shall not relieve the Supplier from compliance with thisSpecification.

    6.2.6 Adequate time, space, facilities, utilities, test equipment, and assistance to allow performance ofinspection and testing shall be provided at the Supplier’s facility. Supplier shall provide all necessary testequipment.

    6.2.7 All instrumentation and control systems shall be carefully inspected, checked out, and tested by Supplier

    prior to Purchaser’s scheduled acceptance test and checkout.

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    DATE: 03 APR 2003 ENGINEERING SERVICES BY KBR TECHNICAL SERVICES, INC.  PAGE 23 OF 23

    6.2.8   Any items found not in compliance with this Specification during the Supplier test shall be listed forPurchaser review/acceptance along with a statement giving reasons for noncompliance.

    6.2.9 Supplier’s test report, including a record of any corrections performed, shall be provided to thePurchaser’s representative before Purchaser’s factory acceptance test.

    6.3 Preparation for Shipment

    6.3.1 Instruments that may be susceptible to physical damage shall be disconnected, packaged separately, andshipped with the Packaged Equipment.

    6.3.2 Instruments removed from the equipment before shipment shall be tagged and boxed separately from anymechanical parts or equipment. The container(s) for the removed instruments shall be clearly marked asrequired by the purchase order.

    6.3.3 Instrument electrical conduit, fittings, and openings shall be sealed with a threaded, lubricated plug.

    6.3.4 Pneumatic, vent, and drain connections shall be weather protected using plastic plugs or caps.

    6.3.5 Instruments shipped separately shall be protected by sealed packaging and shipped with desiccant insidethe instrument or sealed package.

    6.3.6 Instruments shipped installed on the Packaged Equipment shall be weatherproofed for shipment and foroutdoor storage at the Purchaser’s facility.

    6.3.7 The equipment shall be free of burrs, sharp edges, etc.

    6.4 Documentation Requirements

    The Supplier Data Requirements List (SDR) provides the required quantities of each document and theirrequired delivery schedule. Electronic files shall be provided per the SDR.