20141E01

1 GENERAL REVISION STIE STIE STIN OCT. 96

0 ISSUE STIE STIE STIN JUN. 95

REV. DESCRIZIONE COMP. VERIF. APPR. DATA

Il presente documento RISERVATO ed di propriet dell'AGIP. Esso non sar mostrato a Terzi n sar utilizzato per scopi diversi da quelli per i quali stato inviato.This document is CONFIDENTIAL and the sole property of AGIP. It shall neither be shown to third parties nor used for purposes other than those for which it has been sent.

FUNCTIONAL SPECIFICATION

ELECTRO-PNEUMO-HYDRAULIC PANELBOARDS

20141.EQP.STA.FUN

Rev. 1

October 1996

20141.EQP.STA.FUNRev. 1 October 96Sheet 2


FOREWORD

Rev. 0 Total number of pages 18June 1995Issue in accordance with the EEC directives

Rev. 1 Total number of pages 20October 1996General revision



CONTENTS

1 GENERAL

1.1 Scope

1.2 Normative references1.2.1 European, international and national normative references1.2.2 Normative references of other organisations

2 FUNCTIONAL NORMATIVE REQUIREMENTS

2.1 Definitions

2.2 Symbols and abbreviations

2.3 Operative environment

2.4 Functional requirements2.4.1 Construction characteristics2.4.2 Pneumatic panelboards2.4.3 Shut down electro-pneumatic panelboards2.4.4 Electro-pneumo-hydraulic panelboards for well heads control

2.5 Ergonomics2.5.1 Panelboards2.5.2 Instruments

2.6 Safety2.6.1 General requirements2.6.2 Fire resistance

2.7 Requirements for Quality Management and Assurance

2.8 Additional requirement for review2.8.1 Tests and inspections

2.9 Documentation2.9.1 Documentation with the tender2.9.2 Documentation for approval2.9.3 Documentation to be used by the Company for the plant design2.9.4 Test documentation2.9.5 Final technical documentation



1. GENERAL

1.1 Scope

This specification sets out the minimum requirements and the general criteria for thedesign, sizing, fabrication and testing of panels with circuits and equipment ofelectropneumatic, pneumatic or electropneumohydraulic type for on-shore and off-shoreplants.For all the aspects not covered by this specification, reference is made to the Normativereferences and the applicable Publications and to the project technical documentation,and in particular to:

Technical Data Sheet (T.D.S) Inspection Data Sheet (I.D.S.) Requested Documentation Data Sheet (R.D.D.S.),

which shall indicate the project data and the special choices made.The technical requirements of this Functional Specification are based on considerationsrelevant to performances and efficiency. All the requirements refer therefore to objectivelogic and then cannot be discriminatory.Any proposed alternative shall be evaluated if its operative and performance validity, asrequested by this document, is demonstrated.

1.2 Normative references

The reference standards and the Publications relevant to instrumentation panelboardsare listed here below.As far as applicable, a priority reference shall be given to the EN standards and to theCENELEC harmonisation documents or, in their absence, to the ISO, IEC, CEI,CEI/UNEL, UNI and IEC publications.The requirements of Laws and Rules issued by the local Authorities or Legal Bodies,under which jurisdiction the plants shall be installed, shall be always respected.



1.2.1 European, international, national normative references

EUROPEANCENELEC

INTERNATIONALIEC

NATIONALCEI/CEI UNEL

TITLE( NOTE 1 )

EN 60439 - 1( ) 439 - 1( ) 17 - 13 / 1(note 2)

Low voltage switchgear and controlgear assemblies.Part 1: Type-tested and partially type-testedassemblies.

EN 60947 - 1 ( ) 947 - 1 ( ) 17 - 44Low voltage switchgear and controlgear.Part 1: General rules.

EN 60947 - 2 ( ) 947 - 2 ( ) 17 - 5Low voltage switchgear and controlgear.Part 2: Circuit-breakers.

EN 60947 - 3 ( ) 947 - 3 ( ) 17 - 11Low voltage switchgear and controlgear.Part 3: Switches disconnectors, switch-disconnectorsand fuse-combination units.

EN 60947-5-1 ( ) 947 - 5 - 1( ) 17 - 45Low voltage switchgear and controlgear.Part 5: Control circuit devices and switching elements.

EN 60947-6-1 ( ) 947 - 6 - 1( ) 17 - 47Low voltage switchgear and controlgear.Part 6: Multiple function equipment.

EN 60947-7-1 ( ) 947 - 7 - 1 ( ) 17 - 48Low voltage switchgear and controlgear.Part 7: Ancillary equipment.

EN 60529 ( ) 529 () 70 - 1Degrees of protection provided by enclosures -(IP Code).

EN 50007 ( ) --- 17 - 39Low voltage industrial equipment.Control auxiliary devices and luminous indicators fixedin a single port. Assembly dimensions.

EN 50014 ( ) --- 31-8Electrical equipments for potentially explosiveatmosphere. General rules.

EN 50018 ( ) --- 31-1Electrical equipments for potentially explosiveatmosphere. Explosion proof enclosures.

EN 50020 ( ) --- 31-9Electrical equipments for potentially explosiveatmosphere. Intrinsically safe protection.

EN 50039 ( ) --- 31 - 10Electrical equipments for potentially explosiveatmosphere. Intrinsically safe electrical systems.

EN 50011 ( )EN 50012 ( )EN 50013 ( )

--- 17 - 17Industrial equipments with voltage up to and including1000 V A.C. or 1500 V D.C.Identification of terminals.

EN 50022 ( )EN 50023 ( )EN 50024 ( )EN 50035 ( )

--- 17 - 18Low voltage industrial equipment.Support structure.

EN 50045 --- 17-32Low voltage industrial equipment. Support structure.15 mm wide hat for the fixing of terminal strips.

EN 60917 ( ) --- 48-17Modular order for the development of mechanicalstructures for electronic equipment practices.

HD 384364 - 4364 - 5

64 - 8(note 2)

Electrical installations at rated voltage up to andincluding 1000 V A.C. or 1500 V D.C.

HD 528 S1 ( ) 890 () 17 - 43A method of temperature-rise assessment byextrapolation for partially type-tested assemblies(PTTA) of low-voltage switchgear and controlgear.



European, international, national normative references (continuation)

EUROPEANCENELEC

INTERNATIONALIEC


TITLE( NOTE 1 )

--- 50 --- International Electrotechnical Vocabulary.--- 391 16 - 1 Identification of insulated conductors.

EN 60445 ( ) 445 () 16 - 2Identification of equipment terminals and ofterminations of certain designated conductors,including general rules of an alphanumeric system.

EN 60073 ( ) 7316 - 3

(note 2)Coding of indicating devices and actuators by coloursand supplementary means.

HD 324 ( ) 446 () 16 - 4Identification of insulated or not-insulated conductorsby colours.

HD 331 ( ) 447 () 16 - 5Standard direction of movement for actuators forelectrical apparatus.

HD 457 S1 ( ) 757 () 16 - 6 Code for designation of colours.

--- --- 16 - 7Elements for the identifications of terminals andcables terminations.

EN 60742 ( ) 74214 - 6

(note 2)Isolating transformers and safety isolatingtransformers.

EN 61082-1 1082 - 1 3 - 36Preparation of documents used in electrotechnology..Part 1: General requirements.

--- 1082 - 2 ---Preparation of documents used in electrotechnology.Function oriented diagrams.

--- 1082 - 3 ---Preparation of documents used in electrotechnology.Connection diagrams, tables, and list.

HD 246.4 --- 3 - 33Recommendations for the preparation of circuitelectric diagrams.

--- 617 - 2 ( ) 3 - 14Graphic symbols for diagrams.Part 2: Symbol elements, qualifying symbols andother symbols having general application.

--- 617 - 7 ( ) 3 - 19Graphic symbols for diagrams.Part 7: Switchgear, controlgear and protectivedevices.

--- 617 - 8 ( ) 3 - 20Graphic symbols for diagrams.Part 8: Measuring instruments, lamps and signallingdevices.

--- 617 - 13 ( ) 3 - 24Graphic symbols for diagrams.Part 13: Analogue elements.

--- 617 - 12 ( ) 3 - 26Graphic symbols for diagrams.Part 12: Binary logic elements.

HD 481.1 801 - 1 65 - 5Electromagnetic compatibility for industrial processmeasurement and control equipment.Part 1: General introduction.

EN 60801-2 ( ) 801 - 2 65 - 6Electromagnetic compatibility for industrial processmeasurement and control equipment.Part 2: Electrostatic discharge requirements.

HD 481.3 801 - 3 65 - 7Electromagnetic compatibility for industrial processmeasurement and control equipment.Part 3: Radiated electromagnetic field requirements.



European, international, national normative references (continuation

EUROPEANCENELEC

INTERNATIONALISO

NATIONALUNI

TITLE( NOTE 1 )

--- 6385 --- Ergonomic principles in the design of work systems.

--- ---CNR-UNI

10003 Physical units: Units international system I.S.

--- 1219-1 ---Fluid power system and components. Graphicsymbols and circuit diagrams.Part 1: Graphic symbols.

--- 5784/1 5784/1Oil hydraulic and pneumatic. Fluid logic circuits.Symbols for the logic and relevant operators.

--- 5784/2 5784/2Oil hydraulic and pneumatic. Fluid logic circuits.Symbols for the feeding and the discharge andutilisation rules for the logic operators. symbols

---5784/3 5784/3 Oil hydraulic and pneumatic. Fluid logic circuits.

Symbols for logic sequences and relevant operators.

--- 3304 7945Seamless steel tubing, not welded, with smoothextremities.

Explanation notes for tables in paragraph 1.2.1:

1) The titles of the IEC publications, when these are correspondent to the CEI andCENELEC reference standards, are the translation of the relevant original titles.

2) Reference standard with minor modifications with the respect to the IEC publications.

3) The reference standards and publications marked with () are fully correspondent tothe CEI national ones.Differently, the treated matter is identical, but the requirements can be different.

1.2.2 Normative references of other Organisations

ISA S 5.1 - Instrumentation symbols and identification

ISA S 5.11 - Process instrumentation terminology specifications

ISA S 5.2 - Binary logic diagrams for process operations

ISA S 7.1 - Pneumatic control circuit pressure test

ISA S 18.1 - Annunciator sequences and specifications

ANSI/API RP 14C - Recommended practice for analysis design, installation and testingof electrical systems on offshore

ANSI/API RP 14F - Recommended practice for analysis design, installation and testingof basic surface safety systems on offshore production platform

SAMA PMC 33.1 - Electromagnetic susceptibility of process control instrumentation equipment.



2 FUNCTIONAL NORMATIVE REQUIREMENTS

2.1 Definitions

Reference is made to the European reference standards EN-60917 for definitions andterminology relevant to mechanical and modular structures for electronic apparatus.

2.2 Symbols and abbreviations

Symbols and abbreviations used in this specifications and in the reference documentsare in conformity with the normative reference listed in paragraph 1.2..

2.3 Operative environment

Panels and boards shall be designed for the environment conditions of the installationsite, indicated in the Data Sheet.All the environment conditions which may affect the life of materials and the safety shallbe taken into considerations, as:

minimum and maximum temperature combined influence of temperature and humidity (formation of condense) solids, sand, dust corrosive and polluting substances fouling or mildew seismic effects direct or indirect electric shocks mechanical stresses and vibrations electromagnetic influences explosion or fire hazard.

The complete system and each single component shall not be affected by harmonicvibrations and violent impacts, which can happen during the normal operations.Panels installed in air conditioned locals shall operate also in the non conditionedconditions at the ambient temperature of 40C. The value of power dissipated by the airconditioning plant shall be communicated to the Company.



2.4 Functional requirements

The electric-pneumatic-hydraulic panels utilised for the management of the control andshutdown sequences are classified in one of the following categories, on the basis of theirtypology and functions:

Pneumatic panels Electropneumatic panels Electropneumohydraulic panels.

All the panelboards shall normally be provided at their terminal strips with the signalsrelevant to the conditions of the electric and electronic equipment. They shall be able todetect the anomalous operating or the out-of-service conditions (alarms, faults summaryrecord and so on).

2.4.1 Construction characteristics

Panels and boards shall be workmanlike fabricated, in compliance with the requirementsof the Companys Data Sheet and the listed laws and reference standards.The good practice shall as well respected and applied, in particular for what concerns thesafety and the accident prevention.

2.4.1.1 Steel structureA self-supporting structure in AISI 316 stainless steel plates with minimum thickness = 2mm folded at the edges and reinforced in the weak points shall be utilised.A thickness of 1.5 mm is accepted for internal plates with no supporting function, aspartitions.The dimensions of the panel, or board, shall be defined by the Manufacturer. The internallay-out of equipment and components shall be optimised and the accessibility to eachsingle component for maintenance or replacement shall be guaranteed.Off-the-shelf materials shall be preferably utilised, largely tested in similar installationsand available, and resistant to mechanical, electric and thermal stresses. In addition,these materials shall be suitable to prevent corrosion phenomena, formation of mildewand similar effects as a consequence of the climate and contaminant agents foreseen inthe installation site. The materials shall also withstand the transportation conditions.Equipment and materials in the same supply and used for the same function shall be ofequal type and fabrication (as solenoid valves, reducers, pneumatic valves, etc.).The structure of indoor boards shall be suitable to be fixed on a removable floor. Thestructure for outdoor boards shall be suitable for being fixed on a concrete basement.The panels structures shall be fixed on a stake.Board and panels shall be in watertight construction with a IP-55 (IEC-529) protectiondegree.The fittings for wall transitions for single tubing pneumatic and hydraulic connections shallbe all grouped in a side of the board, or panel. During the transportation of the panel,they shall be protected by plastic plugs.The multiple tubes pneumatic connections shall be grouped inside the board on adedicated terminal strip.The board entrance for multiple cables and/or multiple tubes shall be from the bottom,when not otherwise indicated. Removable undrilled plates shall be used, and, whenrequested, cable glands or other sealing systems.



The boards shall be provided with suitable lifting pad-eyes, their movement by rollersshall be also possible. When needed, boards and panels shall be in sections to facilitatetheir transportation. Their re-assembly shall be an easy operation.The internal accessibility shall be provided by hinged doors with handles and locks, or byremovable panels on the rear and front of wall-type boards.All the manual intervention elements and the signalling devices shall be installed on thefront of the board. A glass protection may be requested for the protection of the pushbuttons against accidental contacts. All the other components shall be installed inside theboard.

2.4.1.2 Electric wiringThe electric wiring shall be carried out as per the project documents, in compliance withthe EN 60439-1 and the applicable accident prevention rules. When the wiring shall be insafe execution, it shall comply with CEI 64.2. Three different circuits shall be provided: Power circuit (as the 380 V motor supply) Circuits for remote signals and alarms (as pressure switches, level switches) Remote control circuits (as solenoid valves).These circuits shall end in three different junction boxes, with terminal strips for theconnection to the entering multiple cables.Single core and/or multicore cables shall be utilised for the electric cabling. All theconductors shall be provided with compression terminations. Bleu coloured sheathingsshall be used for intrinsically safe circuits. They will be black for all the other circuits.All the conductors shall be laid in plastic cable trays with perforated sides and removablelids. Their filling shall be less than 50% of the usable section. Proper plastic flexibleprotection conduits shall be provided for conductors outside the cable trays.No more than two conductors shall be connected to the same terminal. Each conductorleaving the panel shall be connected to its own dedicated terminal.Terminals with the same function shall be close each other and connected by plates orsimilar method. The use of wire bonds shall be avoided. Direct connections among thevarious sections of the board shall be implemented. Connector type terminals shall beprovided only for those sections disassembled for the board's shipment.The conductors shall have the following main requirements, except those utilised for thecontrol electronic logic:

A) Technical characteristics:

DATA CHARACTERISTICS

CEI - UNEL Code Cable N07G9-K - 1 x -- CEI-UNEL 35368

Rated voltage Uo/U 450/750 V

Conductor Flexible annealed tinned copper plait

Insulating G9 quality elastomeric compound

B) Special characteristics:

REFERENCE STANDARDS

CHARACTERISTICS EUROPEANCENELEC

INTERNATIONALIEC


No fire propagating --- 332 - 3 20 - 22

No flame propagating HD 405. 1 S1 332 - 1 20 - 35

Low emission of toxic andcorrosive gases

--- 754 20 - 3720 - 38



The section of the conductors utilised for the connections shall be in accordance to themaximum and minimum values indicated in EN 60439-1 and to the following minimumacceptable values:2,5 mm - power and amperometric circuits

1,0 mm - auxiliary connections inside the equipment 1,0 mm - interconnections of the control electronic logic

1,5 mm -

The conductors connecting equipment mounted on the ports shall be of a very flexibletype. The multiple cores cables, utilised for the electric cabling inside panels and boardsshall comply with the Functional Specification 20046.MAT.STA.FUN.

The terminal strips, of modular type (EN 50022; EN 50035; 50045), shall include: Standard support frame Terminals with anti-loosening screws, in high quality insulating material Comb connectors for parallel connections, when needed Separation plaque Terminal blocks Tag holders Tags in special white card and relevant plastic cover

The terminal shall be of the crossing type, divisible or divisible with fuses.The configuration of the terminal strips for the external connections shall be designedtaking into account the function of the connections. Conductors of the same cables shallbe as much adjacent as possible.The terminal strips shall be located so that a sufficient space for the execution of thecables termination and their connection is guaranteed, together with an easy access tothe terminations and an easy reading of the identification marks.

2.4.1.3 Pneumatic cablingThe pneumatic cabling for manifolds and pressure reduction groups shall be in AISI 316tubing. All the other connection will be in polyamide tubing.Only compression fittings of a single series shall be utilised.The fitting material shall be compatible with the tubing one.The polyamide tubing may be of different colours, in accordance with the functions of theconnections.The AISI 316 tubing shall be laid in planes and parallel bundles, and properly fixed to thepanels structure. The lay-out of the bundles shall be workmanlike executed, and suchthat the access to the components is always possible.The polyamide tubing shall be placed in plastic cable trays, filled for no more than 50%.The uncovered end of the tubing shall not be larger than 10-15 cm.All the drains shall be conveyed to two different manifold, one for the signals, the otherfor the power connections. These manifolds shall be run outside the panel. Theirextremities shall be protected by a proper silencer in sintered material.All the drains shall have a AISI 316 on-off pin valve.It shall be possible to block all the manometers, optical signallers, pressure switches bymeans of manifolds or AISI 316 three-ways cocks.



2.4.1.4 Hydraulic cablingThe hydraulic cabling shall be in AISI 316 tubing. They shall be laid such that the accessto the components is always possible.All the discharges and/or drains shall be conveyed by a single manifold to the tank of thegeneration unit of the hydraulic power.It shall be possible to block all the manometers, optical signaller, pressure switches bymeans of manifolds or AISI 316 three-ways cocks.All the drains shall have a AISI 316 on-off pin valve.

2.4.1.5 Identification of equipment and connectionsAll the components inside the panel shall be identified by proper nameplates, withindelible types and permanent fixing, located to be easily read and showing the tag andthe service of the equipment.The nameplate of the circuit breakers shall indicate their tags and the fed equipment.Each conductor shall be provided with an univocal identification, as per standardsCEI 16.1 or IEC 391. The identification tags of the connections shall be shown by theManufacturer also on the cabling drawings.All the tags of equipment, terminal strips and electrical, hydraulic and pneumaticconnections shall be identified as shown in the functional diagrams and constructiondocuments.

2.4.1.6 EarthingA bolt or a terminal for the earthing of the board structure shall be provided. A copperplait shall be installed between the door and the structure of the board to providecontinuity to the earthing. For all the metallic parts the continuity of the earthing shall beguaranteed.In the lower section of the boards the followings shall be provided: A reference earthing bus bar (minimum section 90 mm), insulated from the board's

structure, complete with terminals for the connection of the unipotential earthing systemof the control room. The earthing systems of the passive safety barriers, the shields ofthe connection cables and the zero V terminals shall be connected to this bus bar.

A protection earthing bus bar to which the masses of the board's equipment and theboard's structure shall be connected. On the same bus bar the armoured cables fromthe field shall be fixed, by means of clips, after the removal of their external sheathing.

If not otherwise indicated, the reference and protection earthing bus bar shall be in tinnedelectrolytic copper.



2.4.1.7 ComponentsAll the components shall preferably be in AISI 316, of standard fabrication, largelyavailable and suitable for the project conditions operations.All the valves, both manually operated or with electric or pneumatic actuator, shall be fullbore, with a metal-to-metal total sealing and sized to satisfy the rates.The diameters of the coupling of all the hydraulic and pneumatic components shall bestandardised to the values 1/8" NPT, 1/4" NPT, 1/2" NPT. Different diameters, iftechnically necessary, shall be accepted if the required dimensions are obtained bysuitable reducers.Copper, aluminium or other alloys components shall be protected by epoxidic paints toavoid corrosion phenomena. Components in copper and copper alloys or aluminium witha copper content larger than 0.3% shall not be accepted. Special cases shall besubmitted to the Companys approval.The discharge orifices of the valves shall be equal to or larger than the relevant utilisationorifices.All the electric components shall be certified in the required safety execution in conformitywith the CENELEC normative references.Pressure switches and level switches shall have a SPDT type sealed contact.The solenoid valves shall be able to operate both when normally excited in continuousservice, and with an impulsive type excitation signal of the duration of 2 seconds. Thesevalves shall be in AISI 316 and shall be provided with an insulation coil complying withthe required safety execution.If the pneumatic system is fed by natural gas, instead of instrument air, the components(or parts of the components) in contact with the gas shall be in materials suitable to thepresence of suspended particles of methanol and diethylene glycol, which may condensefor changes in the ambient temperature or for decreases in the gas speed in the tubing.Screws and bolts shall be in AISI 316.Safety valves and accumulation cylinders shall comply with the ISPESL requirements,when applicable.Any pneumatic source requested by the project documents, in addition to the specifiedcharacteristics, shall have: all the bodies and trims in AISI 316, if not otherwise indicated; all the inputs for change of state shall be obtained by energy impulses.

2.4.1.8 Protective treatmentsWhen required in the Data Sheet, equipment and materials shall be subjected totropicalisation treatments, in conformity with the relevant specification.



2.4.1.9 Auxiliaries

A) InstrumentsWhen required in the Data Sheet, the measurement instruments shall have precisionclass 1.5 or better and shall be mounted in the panels front.

B) Tracing of the hydraulic circuitsFor special environmental conditions of the installation site, suitable resistors withheaters to avoid the formation of condense shall be provided for tracing the hydrauliccircuits.

C) VentilationIf necessary, a proper cooling and/or ventilation system shall be provided; in any case,the required protection degree (IP) must be guaranteed.

D) Anti-condense resistanceWhen it is required by the environment conditions due to special installations, inconformity with EN 60439-1, anti-condense resistances, controlled by thermostat shallbe provided inside the board.

E) LightingThe panelboard shall be provided with an internal lighting complete with emergencylighting systems against possible power supply failure.

F) E.M.F. socketAn E.M.F. socket shall be provide to supply electrical tools.

2.4.1.10 Spares

Spare space and components will be provided as follows:

20% Space for future installations 20% Terminal strips Components and accessories as indicated in the Data Sheet.



2.4.2 Pneumatic panelboards

The pneumatic boards are normally utilised in plants, or plants areas, where the electricpower is not available and for instrumentation fed with air or gas.They may be classified as follows, in function of their utilisation: For control of single/double effect actuators for block, on-off and vent valves For feeding of the fusible plugs network

2.4.2.1 Local boards for control of single/double effect actuators for block, on-off and vent valvesThey shall be able to operate locally the opening and closure of the on-off valve and tocontrol remotely its closure, through a pneumatic actuation from the centralised shutdown system.

2.4.2.2 Local boards for the feeding of the fusible plugs networkThey shall transmit a pneumatic signal relevant to a fire presence to the centralised shutdown system, through the depressurisation of the fusible plugs network.

2.4.3 Shut down electropneumatic panelboards

The electropneumatic shut down panelboards shall control and put in safe conditions on-shore or off-shore plants.These functions shall be provided by an automatic operation from the board front, startedby signals from the field sensors and, when foreseen, by the remote control system(DCS), thanks to proper solenoid valves.Pneumatic circuits shall be provided both for the general plant shut down (ESD andPSD), and for the opening/closure of the field valves.Generally, the boards shall include: pressurised air/natural gas reduction and filtering groups electric pneumatic logic

The group of reduction and filtering shall include a stand-by unit, to allow normalmaintenance operations with no interruption of the production activities.The group shall be sized by the boards Manufacturer on the basis of the design datafrom the documentation enclosed to the purchase order and of the functionalcharacteristics of the system.When the circuit is fed by gas, the filtering group shall be able to separate and dischargethe liquid suspended in the gas (if any).



2.4.4 Electropneumohydraulic panelboards for the control of well-heads

These electric pneumatic hydraulic boards shall control and put in safe conditions the wellheads of on-shore and off-shore plants.These functions shall be provided by an automatic operation from the board front, startedby signals from the field sensors and, when foreseen, by the remote control system(DCS), thanks to proper solenoid valves.Pneumatic circuits shall be provided for the general plant shut down (ESD and PSD),whilst pneumatic hydraulic circuits shall operate the opening/closure of the well head andbottom valves. Generally, the boards shall include: pressurised air/natural gas reduction and filtering groups for the pneumatic circuit hydraulic power generation unit electric pneumatic hydraulic logic.

2.4.4.1 Hydraulic power generation unitThe hydraulic power generation unit shall be provided for the control of well bottomand/or surface valves.The unit shall be assembled inside the panel, whenever possible.The unit shall include: hydraulic fluid storage tank pumps filters manifolds and relevant accumulation cylinders

2.4.4.2 Hydraulic oil tankThe tank capacity shall be defined by the Manufacturer on the basis of the data in theTechnical Data Sheet.The tank shall be of the sealed type and shall include the following auxiliaries: safety/breathing valve glass level indicator overflow device drain valve level switch for the remote signal of the fluid low level alarm oil heater

2.4.4.3 PumpsElectric or pneumatic pumps shall be utilised. The selection shall be based on theavailable power as indicated in the Technical Data Sheet.Two primary pumps shall be provided, one normally operating, the other in stand-by.These pumps shall start automatically for low (high) pressure in the hydraulic circuit.A manually operated pump shall be added to the system to operate the hydraulic systemalso in absence of electric or pneumatic power.The pumps shall be complete with the following auxiliaries: on-off valves on suction/delivery of each pump; check valve on the delivery of each pump; safety valve on the delivery manifold; on-off valve for the pneumatic control signal, when foreseen.



2.4.4.4 FiltersDedicated filters shall be provided in the suction line of the pumps.The inspection and the replacement of the filtering elements shall be feasible with nointerruption of the production activities.A clogging indicator shall be provided to the filters.

2.4.4.5 AccumulatorsThe capacity of the accumulators shall be defined by the Manufacturer. It shall be suchthat a number of required emergency manoeuvres shall be guaranteed and the changesin the hydraulic fluid volume due to the changes in the ambient temperatures shall becompensated.

2.4.4.6 Electropneumohydraulic logicThe logic for the ESD and PSD functions and the opening/closure control functions forthe surface and/or well bottom valves shall comply with the project specification and withthe functional diagrams. They shall be of one of the following types: Simple Fail-safe Backed-up.



2.5 Ergonomics

The architecture of the system, the assembly and the lay-out of the modular sectionsshall reflect the ergonomic criteria and requirements stated by ISO 6385.

2.5.1 Panelboards

The peculiar dimensions of the boards shall respect the requirements of modularity anduniformity indicated in the normative references.The internal lay-out of the equipment shall guarantee the necessary operability spacesand the access for maintenance or replacement of components.

2.5.2 Instruments

The installation of any indicating instrument shall reflect a rational and uniformarrangement to guarantee the immediate sight and interpretation by the operator.The lay-out of the equipment for the control and display of the conditions, as switch pushbuttons and lamps, shall facilitate the operative interventions.The identification nameplates shall have uniform types and style.

2.6 Safety

2.6.1 General requirements

All the active parts of equipment and components with operating rated voltage higherthan 50 V shall be located and protected in compliance with EN 60439-1, in order toprotect the trained and authorised personnel against direct and indirect contacts..

2.6.2 Fire resistance

The characteristics of the material shall be such that, when subjected to fire or heating,they shall not set on fire, burn, retain the combustion or evolve flammable vapours.Specially for the plastic materials, the self-extinguishing requirements shall beguaranteed, in compliance with one of the following tests methods:

ANSI UL 94, Class V IEC 707, Class FV IEC 765

The Manufacturer of the panels, or boards, shall therefore declare to be in possession ofthe reaction to fire test certificates released by a officially recognised laboratory.

2.7 Requirements for Quality Management and Assurance

Requirements for Quality Management or Quality Assurance, where appropriate, arecontained in the Specification enclosed in the Tender documents.



2.8 Additional requirement for review

2.8.1 Tests and inspections

The panelboards, extent of the supply, shall be available for inspection, during or afterthe construction and shall demonstrate, through the checks and tests indicated in theInspection Data Sheet, their compliance with the functional requirements andconstruction in accordance with the reference standards. All the tests will be carried outunder the responsibility of the Supplier or his authorised Representative, and witnessedand approved by the Companys Inspectors or authorised Representatives. The Suppliershall provide all the equipment, the personnel and whatever necessary for the testsexecutionThe inspections and the tests will be, at least, those specified in the applicable referencestandards and/or the Inspection Data Sheet. Generally, they will be carried out inaccordance with the procedures indicated in the reference standards and/or the followingrequirements: The procedure for tests requested but non specified in the reference standards shall bedescribed in the Inspection Data Sheet The procedure for the execution of other inspection and test not requested by and thisspecification shall be defined on a case by case basis The accessories and fittings type test shall be requested when they are in conformitywith the reference standards; the Supplier shall verify their execution and provide all therelevant documentation For the accessories type test, reference is made to the provision for the type test. Theyshall be, however, submitted to the inspections listed in the Inspection Data Sheet.

The final tests shall be carried out in conformity with the following classification: Type test Acceptance test Special test.

All the relevant documentation, as copies of certificates, drawings, specifications, testprocedures, forms filled with the test data shall be made available to the Company forreview.

2.8.1.1 Type testScope of the type test is to verify the conformity of a product with the referencesstandards and original design. Its execution shall be the complete responsibility of theSupplier.

2.8.1.2 Acceptance testScope of the acceptance test is to ascertain, through the review of documents and theexecution of reduced but significant tests and inspections, the conformity to the originaldesign and the compliance with the Companys requirements. Any defect in the materialor in the fabrication shall be detected by the acceptance test too.

2.8.1.3 Special testThey include all the tests and inspections not mentioned in the type or acceptance tests,and that the Company may require specifically.The list of tests and inspections, and, when necessary, the execution procedures shall beindicated in the Inspection Data Sheet (I.D.S.) enclosed to the project specification.



2.9 Documentation

2.9.1 Documentation with the tender

a) Company's Data Sheet, filled in all the parts and complete with attachments (if any).

b) Useful information for the evaluation of the tender: information on the possible prototype dimensions and weights of the boards and of their packing.

2.9.2 Documentation for approval

The approval given by the Company to the documentation, if necessary, shall be relevantonly to the formal review of the parameters indicated in the project documents.

2.9.3 Documentation to be used by the Company for the plant design

This documentation shall include all those documents needed for the execution of thedesign of the plant and for the installation of the panelboards, object of the supply

2.9.4 Test documentation

The test documentation shall include, at least, the following documents: full certification relevant to the type, acceptance and special tests list of inspections and tests carried out, with the description of the procedures and the

utilised instruments.

2.9.5 Final technical documentation

The final documentation, with the exception of catalogues and publications provided bythe Contractor and sub-Contractors (if any), shall include the following data: name of the Supplier name of the Company identification tag, defined by the Company title of the document reference to the Company's order.

and grouped as follows:a) Design and installation instructionsb) Operative instructionsc) Maintenance instructions

The inclusion of the description and the drawings in catalogues or publications providedby the Contractor will be accepted, provided that: the catalogues (or publications) shall contain all the data and the requested information

in their final form the catalogues (or publications) shall be relevant to the supplied boards type and the

materials, object of the supply, are clearly identified among those shown in thedocument.

The documentation submitted to the Company's approval shall be included in the finaldocumentation, in the revision approved by the Company.

20141E01

Documents

Transcript of 20141E01