Electrical Systems - tsp.readin.notsp.readin.no/ebook/electricalsystems/master/full.pdf · the Technical Safety Section before sign off by responsible person electrical systems

Electrical SystemsAdditional requirements to NORSOK standardNORSOK standard cross reference list:E-001, Electrical Systems, Rev. 5DS_OUTLINE

1 General1.1 PurposeThe purpose of this document is to ensure that technical requirements on the electricalsystem is clearly defined, followed up and carried out with the specified requirements.

1.2 ScopeThe document covers the companys additional requirements to the NORSOK standard E-001.And it also covers the companys requirements not related to NORSOK E-001. It is importantto understand that NORSKO E-001 and companys additional requirements must be read asone document.

1.3 Target group and ResponsibilityThe document owner is responsible for this document and for ensuring that it is updated orrevoked when required by organizational or operational conditions.

1.4 Deviation managementDeviations shall be handled in accordance with guideline 4920, "Handling nonconformitiesand gaps". All approved/rejected deviations shall be sent to the Technical Document Centerfor registering and filing.

1.5 Definitions/AbbreviationsN/A

1.6 ReferencesNormative ReferencesNORSOK Standards:

E-001 Electrical Systems

Dato: Siste gjeldende versjon av dette dokumentet finnes i https://nettbiblioteket.hafslundnett.no Side 1

http://www.standard.no/en/sectors/energi-og-klima/petroleum/norsok-standard-categories/e-electrical/e-0012/

http://www.standard.no/en/sectors/energi-og-klima/petroleum/norsok-standard-categories/e-electrical/e-0012/

2 Technical requirements2.1 General2.1.1 Climatic conditionsThe installation shall operate satisfactory under the following environmental conditions:

Maximum sea temperature: + 18°C

Minimum sea temperature: + 2°C

Maximum air temperature: + 25°C

Minimum air temperature: - 10°C

Maximum indoor temperature: + 35°C

Maximum relative humidity: 100% (condensing in field)

Minimum relative humidity: 28%

Atmosphere: Salty and corrosive

Wind velocity: 25m/sec gusting to 45m/sec.

2.1.2 Hazardous atmospheresAll equipment to be in operation in unclassified area during situation of hazard and accident,except where located in CCR, LER, in emergency switch room, emergency generator room,battery charger and UPS room or living quarters, shall as a minimum be suitable for IEC zone1 area, gas group IIA, temperature class T3 hazardous atmosphere. Note: Battery roominstallation shall be approved for gas group IIC, or “IIB + H2”.

2.1.3 Responsibility of area classificationWhen determining area classifications all proposals should be made to the Technical SafetySection before sign off by responsible person electrical systems.

2.1.4 Interface and replacement of existing equipment andsystemsInterface to-, or replacement of, existing equipment and/or systems, should comply with thephilosophy used on the platform involved (Platform standard). Anyhow, a case by caseevaluation shall be done to evaluate use of NORSOK or old specifications. An evaluation shall


be done in close co-operation with responsible discipline and shall be approved byresponsible discipline.Reference between drawings (existing platform drawings and new drawings) is mandatory.This is applicable for all drawings, also standard vendor package drawings. Theserequirements also apply between different types of drawings, ie. electrical, mechanical andinstrument. If vendors standard drawings contain different symbols or signs than those usedon companies facilities, a legend explaining symbols shall be used.

2.1.5 Use of annexesThe content of all annexes in this additional technical requirement are interpretation of rolesand regulations and shall as such be considered normative. The drawings in the annexes givemore detailed information than NORSOK and include valuable installation and designinformation. Anyhow the layout of the drawings shall be considered as guidelines only.

2.2 NORSOK E-001 Electrical systemsThe alpha/numeric headings in the following chapter reference the headings in NORSOKstandard E-001.The section numbering corresponds with the section numbering in NORSOK E-001. Onlysection numbers with relevant comments to NORSOK E-001 are included.

2.2.1 NORSOK E-001 chapter 2.1 Normative references

H-001 Heating, Ventilation & Air Conditioning (HVAC)

I-001 Field Instrumentation

FEA/FEA-M 1990 (for minor modifications on platforms designed before NORSOK)

References:

3093 Notification of Safety and Automation System Design & Modification

3599 Arbeid på elektrisk utstyr

3800 Prequalification of Personnel - Activities related to Electrical Installation

3801 Notification of Electrical Installation

4621 Material, Fabrication and Surface Treatment Requirements for ProcurementPackages


4672 Heating, Ventilation & Air-Conditioning (HVAC)

4676 Field Instrumentation

4920 Nonconformity Management

5067 Completion Manual for Projects and Modifications

6307 Safety Shutdown Systems

6326 Management of Technical Control Documents (TCD)

2.2.2 NORSOK E-001 chapter 3.2 Abbreviations

BESD Blue Emergency Shut Down

DBESD Drillers Blue Emergency Shut Down

DOL Direct On Line starting

LER Local Equipment Room

PSD Production Shut Down

RESD Red Emergency Shut Down

YESD Yellow Emergency Shut Down

2.2.3 NORSOK E-001 chapter 4.10 Location of electricalequipment in unitsFor areas for storage and preparation of food such as cooling rooms, freezer rooms, kitchensetc., the installation shall be designed for easy cleaning according to the Health Departmentregulations and satisfaction.

2.2.4 NORSOK E-001 chapter 5.1.3 Emergency source of power,(UPS)The UPS system shall be supplied from alternatively Normal and Emergency supply. Thechangeover shall be according to Annex 2: Uninterruptible power supply system.


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The UPS system shall be able to be started from battery supply only (Black start function)after a YESD situation. Bypass of the ESD trip signal to battery breaker shall be by key switchlocated in LER or CCR, a bypass alarm function shall be provided. Battery breakers closingcan be local operated.The Company shall be contacted regarding UPS system configuration.Redundant UPS shall not contain common mode failure elements. This means that thesystem is laid out such that there is unrestricted access to one unit while the other is inservice.The battery system back-up time shall be according to NORSOK S-001 chapter 18 Emergencypower and IMO 1989 MODU CODE chapter 5.Ref to EN ISO 13702 table C.1 List of services.

Service Suggested period

Fire and gas detection and alarm systems 180 min

Emergency shutdown and depressuring (ESD/EDP) control systems 30 min

Process monitoring and control systems 45 min

Public access, platform audible alarms and status lights 180 min

SOLAS communications equipment 24 h

Emergency and escape lighting 90 min 1)

Navigational aids including helideck lights 96 h

The battery back-up time shall be approved by company in each case.Emergency and Escape lighting is feed from emergency generator, the emergency generatorfunction time is 18 hours. Battery backup time of 30 minutes is therefore sufficient.There shall be starting sequence logic for the start-up of the FW pumps and emergencygenerator in accordance with NFPA 20.1) For new batteries.

2.2.5 NORSOK E-001 chapter 5.1.7 Additional requirement forelectrical emergency power systemEmergency generator prime mover shall be equipped with high cooling water temperaturedetection systems. Generators shall be equipped with vibration and cooling water leakagedetection systems.


Emergency generators shall have self-contained control system independent of the SAS. Theself-contained control system shall be supplied from independent batteries.The trip signal from SAS shall have key switch bypass facilities with alarm to SAS.

2.2.6 NORSOK E-001 chapter 5.2.2 Neutral earthing for systemup to and including 1000 VTable 2 – System earthing methods to be used. 400/230V shall be TN-S.Emergency Generator and distribution systems shall be IT system.

2.2.7 NORSOK E-001 chapter 5.3 Distribution systemsDistribution systems on existing platforms are not uniform. Differences are found ingenerated voltages and frequency, distribution voltages and system earthing. D.C. systemvoltages also vary from platform to platform. Reference shall be made to Company for detailsof the system in use on a particular platform.NOTE: All new platforms shall follow international standards ref. IEC 61892-2.All electrical equipment shall be specified at the rated voltage and frequency of the system itis connected to. Equipment that does not have the correct ratings shall not be used.Manufacturers + or - variations of the equipment marked ratings cannot be allowed as ajustification for use if the marked ratings do not match the system ratings e.g. 460 voltsmotors are not to be used on 480 volt systems, 230 volt lighting fittings are not to be used on240 volt systems, equipment rated for 50 Hz cannot be used on 60 Hz systems. Exception tothe above may be allowed by written confirmation from the manufacturer.Multi Voltage equipment (e.g Motors) shall be equipped with rating plate and datasheetsspecifying current for the applied voltage. The Company shall be contacted for clarificationshould this question arise.

2.2.8 NORSOK E-001 chapter 5.4.4 Socket outletsPower socket outlet system shall be designed such that any working area can be reachedwith a 25 m flexible cable without passing through doors or different decks, regardless ofVoltage levels.Socket outlets fed from UPS power supply shall be of such type that normal power consumerscannot be connected. The different material numbers are:

• 13246349 SOCKET,SINGLE,UPS,S20,PVS-1,MAXETA• 13246350 SOCKET,DOUBLE,UPS,S20,PVS-2,MAXETA• 13246351 SOCKET,SINGLE,UPS,S20,KS-1,MAXETA• 13246352 SOCKET,DOUBLE,UPS,S20,KS-2,MAXETA• 13246353 SOCKET,TRIPLE,UPS,S20,KS-3,MAXETA• 13246354 SOCKET,050299,F/PLUG,MAXETA

Or company approved equal products can be used.

2.2.9 NORSOK E-001 chapter 5.4.5 Temporary workstationsUtility stations shall be located on each deck of the platform so that all areas can be reachedwith the standard length hoses of 20 m. The extent of utilities at each station shall beevaluated. The utility stations shall have certified connections to the following utilities:


• Air; utility and breathing• Nitrogen• HP heated fresh water for washdown purposes• Electrical Power, F&G and Telecom. (Detailed Platform specifications – Ref. 4902E,

Other references, bullet B):All utility station shall be fitted with a lighting fixture.Utility stations shall also be installed on the bridge systems. Requirement to spacing is thesame as for platform stations, i.e. all areas can be reached with a standard 20 m hoses.Functionalities for the bridge mounted utility stations shall be limited to utility air, power andHP heated fresh water.See Annex 7.1: Typical utility stations.

2.2.10 NORSOK E-001 chapter 5.6 System study and calculationsWhen retrofitting switchboard incomers and feeders, calculations shall be performed toensure that the arc flash energy is within the switchboards rating.

2.2.11 NORSOK E-001 chapter 5.6.1 Electrical load studyAn electrical hazard assessment, ELHAZ, shall be performed during FEL or the executionphase of any projects if decided by companys Engineering.

2.2.12 NORSOK E-001 chapter 5.6.2 Short circuit calculationsCalculations of arc flash levels in accordance with IEEE 1584 shall be performed to design theelectrical network. No part of the system, except separately enclosed transformer terminals,shall have levels above 8 cal/cm2 (PPE 2) according to NFPA 70E. Where this requirement cannot be fulfilled this shall be approved by company.Calculation shall be performed for all AC systems 230 V and above.

2.2.13 NORSOK E-001 chapter 5.6.6 Cable selection and sizingcriteriaNo field cable conductors should have a smaller cross section area smaller than 0,75 mm2.

2.2.14 NORSOK E-001 chapter 5.7 ProtectionWhen retrofitting electrical installations platform standard type shall be used for protectivedevices.Test plugs for protective relays for use on feedersTest plugs for protective relays shall be installed in switchboard fronts containing mainswitches and/or feeders. The standardised type is CEE Essailec.There shall be test plugs for the following applications:

- Voltage - Color Grey

- CT`s - Color Green


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- Trip circuits - Color Blue

Trip FunctionWhere "ESD" tripping is required, the circuits concerned shall have disconnecting devicewhich operates/trips circuits “Fail-Safe”. See Annex 6.9: Typical trip function for feeder(Contactor controlled).MCC's shall be segregated into the different ESD levels (BESD, RESD). See section 6.4Switchgear and control gear assemblies.The remote ESD signal shall de-energize the trip relay.See Annex 6: Typical functional diagrams for MCC’s.Arc FlashSystem condition for the arc flash detection system for each switchboard shall beincorporated to the PDCS or PMS. The signals shall be transferred to the CCR alarm list. To beclarified in each project.When designing arc flash detection systems. It shall be evaluated if the breaker feedingdownstream the relevant distribution board should be tripped.ESD system battery Ex isolationThe ESD system batteries shall be isolated after a YESD by tripping a fail safe operatedcontactor in an EX enclosure connected downstream of the batteries. Black start shall beperformed by key switch and alarm to SAS.See Annex 2.3: Operation circuit for ESD battery isolation.Operating circuit for ESD system battery contactor(s)ESD power supply, drilling & production platformDrilling and production platform facilities shall be equipped with its own UPS system, bothsystems shall be independent each other. See Annex 2.2: 2 x 100% AC uninterruptible powersupply system.Air flow, safety deviceAll duct heaters shall be safety interlocked with the air flow sensor in the ventilation duct todisconnect heaters on loss of air flow. Motor starter contacts are not acceptable as aninterlock device. Manual resetting of the heaters is required due to safety precautions.See also TCD 4672.

2.2.15 NORSOK E-001 chapter 5.7.2 Table 5 Generator protectionGenerators shall be equipped with, vibration and cooling water leakage detection systems.The functions shall be alarm and shut down of the prime mover.

2.2.16 NORSOK E-001 chapter 5.7.3 Transformer protectionThe column “PDCS alarms” (table 7) shall be in accordance to Alarm philosophy or platformstandard.Differential protection shall be used on all transformers >= 1000 kVA.


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For transformers >= 1000kVA, each leg shall have 3 sets temperature elements wired to ajunction box outside the transformer compartment. 1 set shall be spare. Trip shall be fail safe,using 2 independent temperature elements from the same leg and separate controllers.

2.2.17 NORSOK E-001 chapter 5.7.4 Motor protectionThe column “PDCS alarms” (table 8) shall be in accordance to Alarm philosophy or platformstandard.Bimetal protection device shall not be used.Electrical motors larger than 10 kW located in exposed areas shall be equipped with anti-condensation heater. A clearly marked (blue) light indicating heater status shall be located onthe motor starter front panel.

Anti-condensation operating conditions1:• Heater shall be on when the motor is not running.• Heater shall be disconnected when the motor is running• Heater shall be on when the motors main switch in MCC is turned off.• Heater shall be disconnected when the drawer has been pulled out of normal

operating position.• Heater shall be disconnected during RESD.

1 Shall be applicable for new installations, for existing installations see platform standard.Anti-condensation heaters in Electrical motors shall have Earth fault protection with localindication and common alarm to PDCS.Motor starters shall have a thorough coordination. The type of coordination used shall beagreed upon.Cooling fans for control cabinet shall be marked with unique TAG number. Maintenanceprogram shall be developed specifying replacement after 5 years of operation.

2.2.18 NORSOK E-001 chapter 5.8 Lighting system Earth leakageprotectionNormal lighting services shall be fitted with earth fault protection with a rated sensitivity of30 mA.Emergency lighting circuits and other important equipment fed from emergency distributionboards will only require a common alarm (CCR) for earth leakage.Local sub distribution board should be avoided.The percentage usage of Normal and Emergency lights shall be decided in each project andarea.

2.2.19 NORSOK E-001 chapter 5.8.1 GeneralHelideck lighting and obstruction lights shall be according to Luftfartstilsynets "Forskrift omkontinental-sokkelflyging - ervervsmessig luftfart til og fra helikopterdekk på innretninger ogfartøy til havs" (BSL D 5-1). Sea surface lighting shall be powered from the emergencygenerator.


https://lovdata.no/dokument/SF/forskrift/2007-10-26-1181



2.2.20 NORSOK E-001 chapter 5.8.2 Lighting equipment Gaugeglass, panel lightsWhere general illumination is insufficient for the reading of gauge glass, panels etc. thenthese shall be provided with dedicated local fixtures classified for the pertinent area.ESD & emergency release buttons shall be located inside illuminated weather protectedenclosures, fed from the emergency generator.

2.2.21 NORSOK E-001 chapter 6.2.1.2 Motor rating, Ex-protectionand enclosureLow voltage motors shall use the following ex protection based on area classification.

• Zone 2 - Ex N• Zone 1 - Ex de

Starting torque shall be adequate for each particular application. Ex-protected motors shallbe star connected, or delta if protected by motor protection with phase failure sensitivity.Motors shall be sandblasted and painted according to NORSOK M-501 Annex A.1. Fan cowlsshall be made of GRP, galvanized or stainless steel.Additional rating plate shall be installed inside the terminal box. A separate label fixed to themotor shall indicate bearing type. Where lubricatable bearings are used, the label shall alsoindicate lubrication type, interval and amount. Bearings lubricated for life shall be used forframe size <=160.Vertically installed motors with DE shaft pointing down shall have canopy above the fan cowl.All external bolts and nuts shall be SS316.Aluminium motors shall be approved by company.

2.2.22 NORSOK E-001 chapter 6.2.1.3 Local control stationsLocal emergency stop is preferred push-to-operate. On existing installations use platformstandard.

2.2.23 NORSOK E-001 chapter 6.2.1.3 Local control stationsSwitchboards shall be segregated so that there is no danger for an arc flash moving from thepower section to a control or cable termination section. Arc flash shall be isolated and limitedto the compartment where it occurs.The MCC Cubicle and cable sections shall be designed for termografic inspection or thermostrips.MCC's shall be segregated into the different ESD levels (BESD, RESD).MCC’s and distribution panels shall not be installed in classified areas. Ref. IEC 61892-7.All units communicating with SAS shall be fed from two independent UPS according to 6249(Rev.05) 4.2.3.Key lockersA key locker shall be provided in switchgear areas for use in conjunction with lock-outisolation procedure. For further details see procedure 3599.


2.2.24 NORSOK E-001 chapter 6.5.2 RequirementIncomers on sub-distribution boards shall be equipped with ampere- and volt meters.Contact company for clarification about what instruments are needed.

2.2.25 NORSOK E-001 chapter 6.6 Semiconductor convertersFor Adjustable Speed Drive Systems (ASDS) see above NORSOK and "Brukerguide for NEK EN60079-14 Del 3 Installasjoner". IFEA ISBN Nr: 82-91719-10-1.When several large ASDS (>20% of generator capacity) with three winding transformers areconnected, consider different phase connection (clock settings) to reduce harmonicdistortion.

2.2.26 NORSOK E-001 chapter 6.10 Trace and surface heatingMaterials shall be selected and installed strictly according to the manufacturersrequirements. Be aware that certain fastening tape cannot be used on stainless steel. Forinstallation details see Annex 3: Trace heating installation details.Marking of the joints location shall be located on the cladding/insulation for all trace heatingsplices.In classified areas, all splices shall be performed in Ex Junction boxes.

2.2.27 NORSOK E-001 chapter 9.1.1 Equipment earthing andbondingEarth boss may be fixed to platform structure by use of an alternative method other thanwelding.

2.2.28 NORSOK E-001 chapter 9.2.1 Cable and wiring (general)Following cables shall be Fire-resistant:Cables for emergency power supply and consumers connected to this systemCables for safety systems, including the following:

1. Fire alarm circuits2. Deluge circuits3. Fire-damper circuits4. Fire & Gas circuits5. Gas release circuits (inergen-CO2)6. ESD circuits7. Fire pump start circits8. P.A Communication equipment9. Equipment for Evacuation

10. HVAC system where this is used to provide Safe Area Classification11. Parts of PSD to be in operation during an emergency (to be evaluated on a case by

case base).Single core cables are preferred at cross-sections larger than 150 mm2.


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2.2.29 NORSOK E-001 chapter 9.2.2 Cable segregationCable segregation shall be according to IEC 61892-6(2013) ch. 6.2.

2.2.30 NORSOK E-001 chapter 9.2.3 Cable routingSegregation of cables in A and B routing shall be evaluated case by case and reviewed bycompany technical responsible (TA).

2.2.31 NORSOK E-001 chapter 9.2.5 Cable cleating and strappingSplices shall be according to IEC 61892-7 (2007) ch. 7.9 and IEC 61892-6 (2013) ch. 6.4.

2.2.32 NORSOK E-001 chapter 9.2.7 Cable gland selectionGlands > M25 shall be of metal.A through type gland shall be used where braided armour cables are used together with allother non-Ex(d) certified equipment.Armour clamping gland limitationsThe supply circuit shall be terminated using a through gland (not armour clamping).Adapter, reducersAdapters and reducers shall have the same rating and certification as the equipment they areused on. Where plastic glands are used, adapters and reducers should also be of plastic.Where metal glands are used, adapters and reducers shall also be of metal.

2.2.33 NORSOK E-001 chapter 9.2.8 Cable TerminationTerminals of tension clamp type are accepted. Terminals of insulation displacementconnection type (IDC) are not acceptable. Screw terminals shall be torqued for all sizes. Allterminals shall be of corrosion resistant type like copper or copper alloys.All cable conductors shall be terminated using ferrules or compression lugs except where theterminal approval or user guide specifically advise against it.

2.2.34 NORSOK E-001 chapter 9.10 Test of completed installationHigh voltage cables shall be tested using VLF (0,1 Hz) according to the following table.

System Voltage (Un) Phase Voltage (Uph) Test voltage (3 x Uph) Duration

2,4 kV 1,39 kV 4 kV 1 hour

6 kV 3,5 kV 10 kV 1 hour

6,6 kV 3,8 kV 11 kV 1 hour

13,8 kV 8 kV 24 kV (20 kV is ok) 1 hour


System Voltage (Un) Phase Voltage (Uph) Test voltage (3 x Uph) Duration

33kv 19kv 47 – 57kv (2,5 – 3 x Uph) 1 hour

For more details see IEC 60060-3 (2006) chapter 9 (VLF)An installation tester (Eurotester) shall be used on every new installation, modification andwhen testing earth-leakage circuit-breaker/earth fault detector.

2.2.35 NORSOK E-001 chapter 9.12 Marking and labelingAll marking and labeling shall be according to COPENS doc number 2169.Emergency and Safety warning signs for equipment shall be in both Norwegian and English.Emergency shock treatment signs in Norwegian and English shall be installed in MCC andcontrol rooms. Ref. FSE.Key/Main single line diagrams shall be displayed in all MCC & switch gear rooms. Drawingshall be framed.Signs for arc flash levels shall be according to Annex 8.1: Arc Flash.

2.2.36 NORSOK E-001 chapter 9.12.3 EquipmentAll distribution panels shall contain a circuit index permanently secured, with a uniquedocument number registered in SAP.

2.2.37 NORSOK E-001 chapter 9.12.4 CablesCable identification labels outdoors, in exposed- and wash down areas shall be convexembossed stainless steel. All sharp edges and corner must be removed. Plastic labels areaccepted indoors in dry and clean locations.Non-blue cables used as IS cable shall be marked with a blue sleeve in both terminations andboth sides of all penetrations(ducts, MCT’s etc.).

2.2.38 NORSOK E-001 chapter 10.1.1 Static electricityIn rooms where equipment is sensible to static electricity or the danger of being exposed toelectrical current is present, antistatic insulating floor mats shall be used if the floor is notprepared for this.

2.2.39 NORSOK E-001 chapter 10.2.2 Ex requirementsEx(d) enclosures with direct entry shall not be used. If Ex(d) is a technical requirement allentries shall be in an attached Ex (e) enclosure (Ex de).


3 Other Requirements not related to NORSOKE-0013.1 Requirements3.1.1 Ventilation, alarms for battery roomsAir flow is to be monitored by an air flow sensor and not by an auxiliary contact on the fanmotor starter. An alarm shall be given on ventilation failure & the boost charge feature shallbe inhibited on all chargers feeding batteries within the room.

3.1.2 BatteriesStarting batteries for fire pumps, emergency generators and other mechanical equipmentshall not be mounted on the unit. They shall be allocated in a clean, dry location with suitablemechanical protection. Vendor recommendations for care and maintenance of batteries shallbe displayed in a prominent position in the battery room. This shall also include activationdate for liquid filled batteries, and fabrication date for valve regulated (VR) batteries.Battery and battery connections shall be protected from falling objects andagainst short circuit. Batteries shall be sustainable for float charge operation,boost charging are no longer used. The batteries shall be sized for 100% capacityat 5 °C. For lead-acid stationary batteries a C0,5 capacity curve to 1,8 V/cell shallbe used.

3.1.3 Separation, different types of batteryNickel-cadmium batteries and lead acid batteries should not normally be located in the samebattery room. However, on upgrading projects where existing battery rooms are utilized,batteries with different kinds of electrolyte may be placed in the same room providing thebatteries are mounted on separate battery racks. Each rack is to be clearly marked as towhich type of electrolyte it contains and to be spaced so far from each other that nomisunderstanding about the types is possible.Open lead/acid batteries are preferred in battery rooms because of life-time vs cost.

3.1.4 Battery roomsAir supply to battery rooms shall be dry to avoid condensation. The temperature in batteryroom shall be 20 °C.All walking areas in battery rooms to be covered with non-slip antistatic rubber matting. Anemergency eye wash station shall be installed in battery rooms or areas where batteryelectrolyte is being handled or mixed, or personnel should have in their possession, smallpersonal eye wash bottles. The room shall be equipped with rubber gloves, apron and eyeprotection.All materials used for battery rooms and lockers shall be corrosion resistant or protectedagainst corrosion by suitable painting. The battery short circuit protection switchgear(typically an Ex(de) circuit breaker) shall be installed in the nearest room adjacent to thebattery room.

3.1.5 NORSOK E-001 14 HandbokAn installation handbook for personnel working on projects and offshore installations shall bemade.


3.1.6 Junction boxes and panelsJunction boxes and panels in exposed area shall have drain plug.Junction boxes and panelsabove 50 L in exposed areas shall be equipped with anti-condensation heaters and drainplug. Anti-condensation heaters shall be disconnected during ESD. The anti-condencationheater shall not be placed in the lowest point of the enclosure.Materials inside junction box in exposed area shall be non-corrosive.

3.1.7 Equipment to be taken permanently out of serviceSee guideline: 2805 "Utstyr som settes permanent ut av drift".

3.1.8 Software PLC programFor systems and equipment using local internal software, a copy of the new or revisedprogram shall be delivered to the SV SAS Supervisor. The SV SAS supervisor shall have asystem for storing the program either in a safe or at common disk drive. Example ofequipment and system can be PCDS software, Frequency converter software etc. Deviationfor handover of a copy can be given by the Control system responsible if a change orupdating of program only can be performed by Vendor.

3.2 Cable transits, typical detailsTransits shall be of the type ROXTEC (or equal) and shall be installed according tomanufacturer’s instructions. Other types of transit frame e.g. Hawke and Brattberg canequally be used. Between stay plates insertion blocks from same manufacturer shall be used.NOTES:

1. Transit used with single core AC-cables to have non-magnetic stay plates.2. All transit frames to be installed according to vendor instructions.3. Transit frames, including compression plates, bolts and end packing to be stainless

steel. Frames with controlled ventilation on both sides can be of other material.4. Cable number tags are to be fixed to every cable on both sides of every transit or

penetration. They are to be located so that if insulation is used, it does not obscurethe tag.

5. When modification is done on old transits, evaluate replacement of all blocks in thesame row/frame.

6. Halogen free insert modules shall be used.7. To accomplish EMC-protection, EMC-insert modules must be used. Two types of insert

modules are available – double sided water protection and single sided waterprotection. The installation must strictly be done acc. to vendors instructions.

8. When EMC-insert modules are used, it is important that tension in the cable is takenin to consideration before dismantling both sides of the mantle. If not, the dismantledarea might be too long.

9. Bolted cable transists can be used to avoid hot work. Proper precautions shall betaken to avoid corrosion between bolted flange and structure.


AppendicesAnnex 2: Uninterruptible power supply systemAnnex 2.1: 2 x 100% DC uninterruptible power supply system

Annex_2-1.pdf


Annex 2.2: 2 x 100% AC uninterruptible power supply system

Annex_2-2.pdf


Annex 2.3: Operation circuit for ESD battery isolation

Annex_2-3.pdf


Annex 3: Trace heating installation details


Annex 3.1: Heat tracing details A,B



Annex_3-1.pdf


Annex 3.2: Heat tracing details C,D



Annex_3-2.pdf


Annex 3.3: Heat tracing details E,F



Annex_3-3.pdf


Annex 3.4: Heat tracing details G



Annex_3.4.pdf


Annex 3.5: Heat tracing details H,J



Annex_3-5.pdf

Annex 4: Glanding and Earthing detailsAnnex 4.1: Glanding and Earthing miscellaneous details J

Annex_4-1.pdf


Annex 5: Earthing and Bonding


Annex 5.1: Earthing detail A



Annex_5-1.pdf

Annex 5.2: Earthing detail B

Annex_5-2.pdf


Annex 5.3: Earthing detail C



Annex_5-3.pdf


Annex 5.4: Earthing detail D



Annex_5-4.pdf


Annex 5.5: Earthing detail E and F



Annex_5-5.pdf


Annex 5.6: Earthing detail G


Annex_5-6.pdf

Annex 5.7: Earthing detail H


Annex_5-7.pdf


Annex 5.10: Earthing symbols



Annex_5-10.pdf

Annex 5.11: Protective Earthing for power systems sheet 1


Annex_5-11.pdf


Annex 5.12: Protective Earthing for power systems sheet 2



Annex_5-12.pdf


Annex 5.13: Protective/Instrument/ I.S earthing for light currentsystems sheet 1



Annex_5-13.pdf

Annex 5.14: Protective/Instrument/ I.S earthing for light currentsystems sheet 2

Annex_5-14.pdf


Annex 5.15: Earthing and Bonding principles typicalarrangement


Annex_5-15.pdf


Annex 6: Typical functional diagrams for MCC’sAnnex 6.1: 6,6 kV Switchboard motor starter controlled from PCS

Annex_6-1.pdf


Annex 6.2: 690V Switchboard motor starter controlled from PCS


Annex_6-2.pdf

Annex 6.3: 690V Switchboard motor starter controlled fromPackages


Annex_6-3.pdf

Annex 6.4: 690V Switchboard frequency converter controlledfrom PCS

Annex_6-4.pdf


Annex 6.5: 690V Switchboard contactor feeder controlled fromPCS

Annex_6-5.pdf


Annex 6.6: 690V Switchboard tyristor feeder controlled from PCS

Annex_6-6.pdfNOTE:For information about TSH and TSHH, see TCD document 4672 ”Heating, Ventilation and Aircondition”.


Annex 6.7: 690V Switchboard heater feeder controlled from PCS



Annex 6.8: 690V Switchboard heater feeder controlled fromPackages



Annex 6.9: Typical trip function for feeder (Contactor controlled)

Annex_6-9.pdf


Annex 6.10: Typical heater control TSH and TSHH

Annex_6-10.pdf

Annex 7: Field EquipmentAnnex 7.1: Typical utility stationsFor more details about new utility stations see document: BD01-PP-G-00036


Annex_7-1.pdf
