HSE DIRECTIVE 5 ENERGY ISOLATION
Contents
1. 1 Original 3 Omr deansvarlig CCR Sikkerhetsutstyr isolert JA 2 Omr detekninker 4 AndreEiektro NEI PlattornDelarModu Utstyr som Frakt Dato skai saleros 1 Utstyrsnr 1 2 3 4 Til Kl Dato 09 Toering Forespurt av Godkjent ee Kompenserende titak 2 ann Verneleder sign sign Fylles ut av omr deansvarlig Delegering av myndighet for Test og Tilbakestiling Avisolering signatur far test __ Omvrddetokniker _ Sin OA N dvendig signatur far tibakestiling Omr detekniker Sign OA Driftsleder Autorisert person stedfortreder utpeker henhold til DH FSH94 med dette Som leder for sikkerhet eee SOM leder for kobling Driftsleder Autorisert person stedfortreder Dato Sign Navn Tiltak JA Nei Dato Sign Er utstyr frakoblet L Er utstyr sikret mot innkobling avi st 4 K Er spenningspr ving foretatt Er endepunktsjording p satt L Arbeidslaget er gjort kjent med konsekvenser omfang S Er spenningspr ving og jording p arbeidsstedet foretatt Spesielle tiltai Undertegnede erkl rer at alle tiltak er fjernet og at utstyr kan innkobles Leder for kobling Dato Sign Leder for sikkerhet Dato Sign Navn Navn GODKJENT FOR deg birater hermed tat aide p act syr avse TILBAKESTILLING og anmoder om at utsyr bir bakekoblet ONCCRIOT Sign beidet or ferdig og utstyret or testet og sat bake2. 1 2 JOPPTELLING AV IE LAPPER ETTER TILBAKESTILLING DATOISIGN ILEKKASJETEST P SPLITTET UTSTYR UTF RT DATOISIGN 223 ATTACHMENT 9 FORM FOR TRANSFER OF WELL CONTROL Plattform Dato Br nn no Well no Slot no Fra Drilling amp Well Operations til Production Fra Production til Drilling amp Well Operations Reason for handover Detaljer vedr rende komplettering Details of completion Well Type Tubing initial test pressure Production casing Initial test pressure X mas tree initial test pressure Tubing plugs installed type depth Liner bridge plugs installed type depth Junk in hole other pertinent details Trykk i Tubing og Annuli Pressure in Tubing and Annuli Trykk Pressure Medium Tubing wellhead A annulus indre ringrom B annulus C annulus D annulus Trykk og lekkasjetester Pressure and Leak tests Akseptert Ikke akseptert Dato Accepted Not Accepted Inflow test of DHSV Inflow test of ASV Inflowlleak test of x mas tree to 5000 PSI 345BAR Inflowlleak test of x mas tree to 3000 psig 207 BAR Inflow leak test of x mas tree to 10000 psig 690 BAR Leak test of Tree Cap Over Swob If broken Leak test of Service Wing Cap Kill Wing If broken Leak test of Caps Annulus Valves if broken Tr
3. indicator which must be checked before and after use o that equipment is labelled and locked in the isolated position For electrical isolation of low voltage systems of 440V 480V or higher all pole switches in the main power circuit must be secured and locked in open position For electrical isolation of low voltage systems below 440V 480V the system shall be secured against accidental connection e If sufficient security cannot be established other security measures such as earthing short circuiting shall be implemented For electrical isolation of high voltage systems the provisions of Work to secure high voltage systems in HSE Directive 8 Electrical installations shall be followed e f integrated earthing equipment is installed this must be used to connect all main conductors of an isolated unit to earth 203 Marking and labelling n the event of isolation isolated equipment and switches must be labelled with a red tag showing o name of equipment o number of isolation confirmation certificate o name of executing discipline e In the event of isolation isolated equipment shall be locked off to prevent improper operation of equipment Each discipline shall use padlocks keys with colours conforming to he colour codes for Ula Valhall and Skarv e For isolation of electrical installations and equipment of 440V 480V or higher the isolation shall be secured with at east two padlocks one from the electrica
4. detekninker 4 conan Andre Elektro NEI PlatformDekkMedu Utstyr som Fra Ki Dato skal isoleres Utstyrsnr 2 3 Dato Forespurt av Godkjent Kompenserende tiltak Teolering av sikkerhetssystem godkjent av Vernaleder sign Feltsj f sign Fylles ut av omradeansvarlig Delegering av myndighet for Test og Tilbakestiling Avisolering I signatur for test Omr detekniker Sign OA N dvendig signatur fr tilbakestiling COR Omr detekniker Sign OA DRIFTSISOLERING Test Tibakekobing UtstyrmrJnavn Basin Apan Stangt Utstyr Fra Data merket Bindet PR KE Sign OT x x x x 2 1 4 7 z Godkjent TEBEEEIE Omradeknikers navn __ SIO _ for Test Referanse Vedlegg Sign ELEKTRISK ISOLERING Test Tibakekobling Utstyr Uist Sign Las nr Sign Dato merket Dispin Dispin Dispin Dispin KE Sr EL x 5 2 4 5 Godkjent 213 Kompetent person Sign for Test Referanse Vedlegg Sign mn meer GODKJENT FOR Jeg belter harvad at are p ay er avslutt TILBAKESTILLING og anmoder om at utsyr it ONCCRIOT Sign Produksjon OT UT Mokanisk UT Instrument UT Elektro UT Boring OT UT C
5. have the same pressure class as the pipes equipment to which they are connected In connection with removal of spoolwork equipment etc open flanges must be mechanically blinded o free standing pipes must be properly secured Mechanical blinding 206 When opening systems to install mechanical blinding on less hazardous auxiliary mediums air water without hydrocarbons glycol lube oil hydraulic oil etc single valves can be used as shut off requirements for isolation of single valve is given below When opening systems to install mechanical blinding on hydrocarbon or chemical bearing systems including diesel in connection with facilities with a maximum operating pressure of less than 55 barg a single valve can be used as shut off Requirements for single valve isolation are given below The maximum pressure support shall be determined by the area technician and is typical PSHH based on all energy sources upstream downstream internally and externally In addition an uncertainty margin must be allowed for The following additional requirements are made for work in these two categories o Work in this category must have a short duration o The work must be thoroughly planned o A Safe Job Analysis SJA must have been carried out with a positive conclusion and resulting measures implemented o Any actions in case of a leak shall have been clarified in a SJA o An extra guard must be posted in the
6. isolation i accordance with Electrical isolation note the padlock number the isolation confirmation certificate o sign the isolation confirmation certificate o The performing technician shall personally lock the isolation Overview of isolations The CCR technician shall ensure that an overview is always available of active isolations at any given time of process equipment systems electrical equipment systems safety equipment systems Temporary removal of isolation for testing For testing of isolated equipment such as leak testing and starting running motors equipment can be temporarily de isolated 201 e In the event of temporary de isolation of equipment for testing o the area technician shall ensure that the test can be conducted safely o the area authority shall approve temporary removal of isolation by signing the isolation confirmation certificate The isolation confirmation certificate is still active even when the equipment is in test Re setting isolation Before re setting all the involved executing disciplines must remove their padlocks from trays equipment and sign the isolation confirmation certificate The area authority or his her deputy must approve that isolated equipment systems are ready for re setting In connection with re setting of operational isolation the area technician shall o ensure that any mechanical blinding is dismounted re set equipment in accordance with Operationa
7. om utstyret er merket ute i anlegget Kompetent person elektriker som er godkjent for utf re isolering avisolering isolerer og setter p blank systeml s Utf rende disiplin setter p sin l s og f rer l s nr inn p skjema og signerer Ingen elektrisk isolering skal utf res f r kompetent person har signert Neste rubrikk g r p Test F r inn tidspunkt for innkobling og utkobling Det kan spesifiseres hvilket utstyr som nskes testet ved krysse i rubrikkene 1 5 Ved st rre omfattende EL isoleringer kan det vises til egen liste der avganger som er skal isoleres spesifiseres Godkjent for test skal signeres i hht Modul 3 f r test iverksettes Det signeres for avisolering etter at dette er utf rt Avisolering skal skje av kompetent person Avisolering skal ikke skje f r f rste linje i modul 6 er signert Denne signering skal v re samsvarende med delegering av myndighet i modul 3 Modul 6 beskriver godkjenning av tilbakestilling F rste linje er signatur for godkjenning av tilbakestilling b de for driftsisolering og elektrisk isolering Signatur skal v re i hht delegering av myndighet i modul 3 Nederste linje skal signeres av utf rende teknikker i den avdeling som utf rer arbeidet 214 ATTACHMENT 3 INSTRUCTIONS FOR OPENING WORKING SYSTEMS General requirements Before opening working equipment systems the equipment system shall be shut off isolated the pressure shall be relieved any
8. or if there is a risk of explosivemixtures they must be purged with nitrogen to a safe area before they are opened e Before working equipment systems can be opened the content of hydrocarbons in the nitrogen atmosphere must be below 5 volume 215 Resetting 216 When resetting the working equipment systems for hydrocarbons or other flammable materials that have been opened the system shall be purged with nitrogen until the oxygen content is below 5 volume Instead of purging with nitrogen equipment systems can be filled with water or another non explosive fluid ATTACHMENT 4 INSTRUCTIONS FOR LEAKAGE TESTING Modifications and projects shall leak test according to BPN Z 007 Operations may leaktest by non critical media when a leak does not pose a risk In a service test the system shall be pressurised to the maximum available operating pressure Service test may be performed on Seawater Firewater Instrument air Working air Domestic drain Potable water Industrial water Fresh water Glykol Nitrogen and Hydraulics Before work begins Check e that pressure gauge is available e that PSV s installed in the test segment is in operation or that the pressure source is equipped with a PSV if overpressursation is possible e that the connected and installed equipment will withstand he pressure that is to be tested When using water as a test medium e that the foundation and supports for the equipment to be ested will withs
9. worksite shall not be left by the end of a shift or for more than 1 5 hours without beeing blinded o The maximum pressure support shall be determined by the area technician based on all energy sources upstream downstream internally and externally In addition an uncertainty margin must be allowed for If there is any uncertainty PSHH should be used opening of systems containing extremely toxic gas H2S etc e Single valve can be used as operational isolation instead of mechanical blinding by opening of the hydrocarbon or chemical bearing system including diesel in connected with facilities with operating maximum pressure of less than 10 barg when using a Single Valve the worksite shall not be left by the end of a shift or for more than 1 5 hours without beeing blinded o by opening of systems for less hazardous auxiliary mediums air water without hydrocarbons pure dry glycol lube oil hydraulic oil etc Pressure limit is 55 barg when barrier is equal or less than 3 4 in diameter and max operation pressure has a limit of 55 barg on hydrocarbon and chemical system 205 Shut Down During shut down when the system is depressurized and inert and external barriers are established against all energy and inert single block could be used for isolation in the depressurized system also on systems usually having higher operating pressure Use of barriers should be planned before the shutdown If possible th
10. CR Kontrollrom OA Omradeansvarlig OT Omr detekniker UT Utf rende tekniker 221 ATTACHMENT 7 VALVELIST 222 VENTILLISTE FOR IE NUMME navn Veriiserendes navn vent iste godkjent av omr de ansvarig forma Jror ler IsoLerNG INR pesKrveLSE jas las 1 JOPPTELLING AV IE LAPPER ETTER TILBAKESTILLING ILEKKASJETEST SPLITTET UTSTYR UTF RT lposision ISOLERING TEGNINGNUMMER lbatasian NORMAL expend persion Joooksent R TEST Joarorsian fur Sign DATOISIGN DATOISIGN Dersom ventiler som er last pen stengt skal isoleres markeres dette med LOILC CSO CSC i rubrikken for normal posisjon for og etter isolering Dersom det m benyttes Master key for operere ventil i isoleringen skal dette markeres med en f rs i beskrivelse fetet ATTACHMENT 8 BLI NDLIST SPADE BLINDINGS LISTE FOR IE NUMMER TEGNINGNUMMER spade blindings liste godkjent av omr de ansvarlig sign dato uterende Sjekker eosisJOn Posisson ISPADING TILBAKE I IDESPADING FOR errer DATO VERIFISERT NORMAL DATO VERIFISERT NR FLENS SPADE BESKRIVELSE LINJE NR IsPADING spanne AVOT STILLING sIGN AvoT 10 12 15 16
11. HSE DIRECTIVE 5 ENERGY ISOLATION Directive owner per 01 01 2015 Egil Songe M ller Please consult the asset s HSE instructions for potential installation specific requirements ENERGY ISOLATION 1 GENERAL Purpose The purpose of this directive is to ensure that isolation and re setting of electrical systems and operations systems is Domain References carried out safely and in accordance with the regulations is managed and documented This directive applies to all BP operated installations and contracted installations on the Norwegian continental shelf Owners of contracted installations who have a system that satisfies the requirements in this directive may use their own system provided this has been clarified upon implementation Onshore facilities subsea or projects where BP Norge have a particular responsibility and which are assessed being part of the petroleum activities The Activities Regulations section 82 Work on and operation of electrical installations NPD Regulation Regulations relating to safety in work on and operation of high voltage installations The Directorate for Civil Protection and Emergency Planning s regulations Regulations relating to safety in work on and operation of low voltage installations The Directorate for Civil Protection and Emergency Planning s regulations 088 Common Model for Work Permits The Norwegian Oil Industry Assocation s regulations Norsok standard O DP 001 Operat
12. I normal drit Sn ut av ufrende avdeing Produksjon OT UT Mekanisk UT Instrument UT Elektro UT Boring OT UT CCR Kontrollrom OA Omr deansvarlig OT Omr detekniker UT Utf rende tekniker 212 VEDLEGG 2 BESKRIVELSE FOR BRUK AV ISOLASJONSERKL RING Heading Isolasjonserkl ring nr solasjonserkl ring genereres gjennom Workmate Etter at isolasjonserkl ringen er generert knyttes den opp til arbeids illatelse i Work mate Modul 1 beskriver arbeidet Linje 1 Arbeid som skal utf res her fylles inn tekst fra arbeidsordre Linje 2 forteller hvordan orginal kopi fordeles Samt avkryssing om sikkerhetsutstyr skal isoleres Med sikkerhetsutstyr i denne sammenheng menes utstyr hvor beredskapsledelse og skadestedsleder m orienteres f r utkobling Linje 3 amp 4 Brukes for identifisering av arbeidssted og utstyr plattform dekk eller modul og navn p utstyr samt utstyrnummer Hvis arbeidet omfatter flere utstyrnummer skrives de inn ortl pende Er det mer utstyr kan dette legges som vedlegg Neste rubrikk brukes for tidfeste isolasjonen Husk at sikkerhetsutstyr m ha et tidspunkt for tilbakekobling Linje 5 Isolering forespurt av Underskrives av omr deansvarlig avdelings leder eller tekniker dvs den som nsker isolering utf rt Neste rubrikk Isolering godkjent Underskrift av omr deansvarlig Modul 2 beskriver kompenserende tiltak Denne modulen skal kun fylles
13. are and closed drainage leak tests of valves can be conducted from the upstream side e Pressure safety valves PSV and check valves are not approved as a barrier for operational isolation Controlvalves shall only be used in non critical service when a minor leak is acceptable e Valves that are to be worked on may not be used for isolation if the work may have an impact on the valve s integrity or mechanical strength Labelling and locking For operational isolation valves blinds must be marked with red labels showing name of equipment o number of isolation confirmation certificate name of executing discipline For operational isolation valves must be secured with chains wire locks etc so that handwheels handle cannot be operated Plastic strips shall not be used If this is not possible handwheels handle must be removed and the valve must be marked with LO LC locked open locked closed sign for locking of valves jobs that last less than a week plastic strips can be used if the valves are not considered as safety critical electric valves must be electrically isolated in the correct position and the handwheel handle for manual operation must also be secured 208 Color Coding pneumatic or hydraulic valves must be disconnected from air hydraulics in closed position or be isolated from the air hydraulic supply with double block and bleed Valves that open when energy is lost fail open mus
14. area until a positive isolation has been established o It must be considered whether the work of installing blinding involves a greater risk than the original scope of work because of the extra time it takes for example The work method must be evaluated based on this o The work shall have been reviewed and approved by Technical Authority Process Operations e When opening systems to install blinding on hydrocarbon or chemical bearing system in connection with facilities with operating pressure of more than 55 barg double block and bleed can be used as shut off e When using mechanical blinding as operational installation it must be possible to monitor and bleed of any pressure that builds up against the blinding Before mechanical blinding is removed ensure that any built in pressure that has built up is released o any flammable or hazardous liquids have been drained to a safe area Using a mechanical pipe plug When a mechanical mechanical or hydraulically expandable plug is used for pressure testing or leak testing the following requirements apply Only plugs with double seals that allow for a pressure increase up to the maximum operations pressure between the seals must be used The plug must have been leak tested up to this pressure before the work is started It must be possible to drain the chamber between the seals to the atmosphere and to monitor the pressure in it Work on pipe plug must only be ca
15. chnician is responsible for e ensuring that necessary isolations are performed in connection with work in his her area of responsibility e preparing process equipment and systems for operational isolation e isolating safety systems in accordance with work permit isolation confirmation certificate e ensuring that the correct equipment systems are isolated and prepared for work in accordance with work permit isolation confirmation certificate making sure all isolations are back in position after the work has ended to keep overview and status of all isolations within the area of reponsibility Competent person electrical operations electrician is responsible for e carrying out electrical isolation of equipment and systems safely and in accordance with regulations and HSE directives 199 3 USE OF ISOLATION CONFIRMATION CERTIFICATES Introduction All isolation and or disconnection of process equipment systems electrical equipment systems e safety equipment systems requires an approved isolation confirmation certificate with the exception of personal isolation e In addition an approved work permit is required for execution of work that requires isolation e The isolation confirmation certificate is not time limited with he exception of disconnection of safety systems Isolation confirmation certificate requirements e The isolation confirmation certificate must be used for all isolation with the excep
16. e barriers should be tested before the system is depressurized External barriers should always be tested and logged to be approved as a barrier import export wells etc During the shutdown when the external barriers are secured safely it is permitted to use plastic strips to secure insulation within its boundary Requirements for execution An isolation shall be performed as close as possible to the tank or work site Where it is possible a bleed shall always be located in the working area to make it easy to verify that no pressure has built up before the work is started The minimum recommended frequency of monitoring is once per crew change and immediately prior to breaking containment The isolations shall be checked once per shift while work is performed within the isolations The isolation integrity shall allways be a part of the shift handover All connections must be mechanically blinded when isolating tanks containers etc for entry Exceptions are standpipes if they are not connected to other operating systems under pressure flare closed drainage etc which may contain hydrocarbons hazardous chemicals nitrogen or other things that may lead to undesirable situations Note that the standpipe may contain condensate or hazardous chemicals that can represent a risk In such cases they must be isolated from the container through blinding Blinds pressure indicators etc that are installed as part of the isolation shall
17. erformed by an area technician Requirements for use of personal isolation The following requirements must be met in order to use perso nal isolation The standard for personal isolation must be the same as for use of the isolation certificate e Isolation work and de isolation are carried out by the same person during the same shift period e Personnel who carry out personal isolation have the necessary competence and are approved by the team lead e If the work site must be left the isolation must be secured by plugging or blinding open ends and by labelling and locking isolation points If one or more points cannot be fulfilled an approved isolation confirmation certificate shall be used 210 HSE DIRECTIVE 5 ENERGY ISOLATION ATTACHMENTS Attachment 1 High Voltage Installation ICC Form Attachment 2 Compilation of ICC Form Attachment 3 nstructions For Opening Working Systems Attachment 4 nstructions For Leakage Testing Attachment 5 Procedure for preparations and isolations Attachment 6 CC Form Attachment 7 Valvelist Attachment 8 Blindlist Attachment 9 Form For Transfer Of Well Control ATTACHMENT 1 HIGH VOLTAGE INSTALLATION ICC FORM d bp H yspenningsanlegg IE ICC nr Arbeldsordre er dekket av IE Arbeid som skal utfores
18. ficate and determine add the necessary compensating measures 200 In connection with isolation of safety systems the offshore installation manger and the HSE function safety advisor must approve the isolation confirmation certificate Executing the isolation The area technician shall ensure that the isolation confirmation certificate is correctly filled in and covers the work to be performed A separate procedure shall be used for larger isolations The procedure shall be made by use of the forms given in the attachments Isolations and reinstatement shall be verified in the field when isolating HC systems Larger isolations To be decided by the OTLD The performing area technician shall be checked out for the area of the isolation The verifying technician shall have a thorough knowledge of Directive 5 For operations isolations the area technician shall prepare the equipment system for isolation in accordance with operations isolation ensure that equipment systems are isolated locked and labelled in accordance with the isolation confirmation certificate and work permit o At start of every work period make sure that there is no pressure buildup in the double block and bleed isolations in all ongoing work o sign the isolation confirmation certificate In connection with electrical isolation a competent person electrical operations electrician shall o perform electrical isolation and lock and label the
19. fluids shall be drained any remnants of flammable or hazardous materials shall be removed Depressurisation Working equipment systems that are to be opened shall be shut off isolated Internal pressure shall be released to a safe area Before the equipment system is flushed drained it must be verified that the shut off valves do not leak Removal of fluids For working equipment systems where there is a risk of a discharge of hydrocarbons or chemicals that are classified as toxic hazardous corrosive allergenic or carcinogenic they must be flushed with water or another suitable medium before they are opened o Chemicals shall be flushed pumped to an operative system or to a suitable container o Fluids containing hydrocarbons shall be flushed to a closed drainage system or an operative system For flushing to an operative system measures must be taken to protect against backflow from the working system After flushing the fluid shall be drained to a safe storage site o Fluids containing hydrocarbons shall be drained to a closed drainage system o Diesel oil can be drained to a hazardous drain o Chemicals lubricating oils glycol etc shall be collected in suitable containers and treated in accordance with Hazardous Waste in the HSE Directive no 6 Hazardous Materials and Waste Removal of hazardous atmosphere e For working equipment systems where there is a risk of emissions of hydrocarbons or hazardous gas
20. ical Injection Line Isolation Valve Lubricator Valve Control Line Isolation Valve ORBIT VALVE Open Closed Deep Set Injection Valve DSIV Downhole Safety Valves DHSV Down hole safety valve ESD ASV Annulus Safety Valve ESD Andre Other Downhole Valves amp Circulating Devices Dummy GLV Shear Orifice Valve CIV Lower Side Pocket Mandrel Middel Side Pocket Mandrel Upper Side Pocket Mandrel Chemical Injection Side Pocket Mandrel Sliding Sleeve no 1 Lubricator Valve e g SFIV 7 Separat oppstartsprosedyre for br nnen m f lges for br nner med ASV uten gassl ft ventiler Installert dette for sikre at ASV er pen f r man starter produksjonen GLV Gas Lift Valve CIV Chemical Injection Line 225 226 Kommentarer og observasjoner Identifiserte farer og forh ndsregler ivaretatt Unntak fra BP policy og eller PTIL regelverk Vedlegg 1 Nei Wellhead Tree Diagram Completion Diagram Wellbore Barrier Diagram Well Status Form Test Certificate for X mas Tree and Downhole Valves Godkjennelse og aksept av handover Wellhead Operator Completion Engineer OTLD ODK Drilling Supervisor WIS Completion Engineer skal signere etter initiell ferdigstillelse
21. ions principles Guidance on Practice for Safe Isolation and Reinstatement of Plant NSSPU GP 44 40 1 HSE Directive no 1 Work permits HSE Directive no 2 Entry HSE Directive no 8 Electrical installations HSE Directive no 11 Safe Job Analysis Breaking Containment NSSPU GP 10 36 Definitions and abbreviations Work Permit is a written permission to carry out a defined job at a given place on an installation in a safe manner and under certain conditions Authorised person electrical is a BP employee appointed by the responsible person electrical installation to ensure that electrical installations and equipment are carried out in accordance with current regulations within one field Barriers mean measures that prevent hazardous conditions such as physical intervention that shuts down or removes energy supply administrative routines and procedures 197 198 Double block and bleed is a method of process isolation where there are two physical barriers valves blinds etc with bleed off in between where each of the barriers can be operated secured and tested indpendently Single valve is a method of operational isolation consisting of a shut off valve that is leak tested and secured in the closed position High voltage installations are electrical installations with nominal voltage of more than 1000 V alternating voltage or 1500 V direct voltage Isolation is a method that blocks liquid gas electric current
22. l department and one from an executing department e For isolation of electrical installations and equipment of lower han 440V 480V the isolation shall be secured with at least one padlock from the electrical department If a padlock cannot be fastened some other appropriate securing device shall be used e f an isolated starter tray is to be used temporarily in another ocation or be removed for testing the padlock and isolation must be transferred to the tray s garage f one discipline completes the work before another the irst discipline can remove its padlock and sign the isolation confirmation certificate 5 OPERATIONAL ISOLATION Introduction e For work on process auxiliary and drilling systems equipment and associated components in connection with pressurised equipment installations such items must be isolated depressurised and any hydrocarbons chemicals removed before work can commence on the equipment the system e Opening of process auxiliary and drilling systems equipment shall be carried out in accordance with Instructions for opening operations systems This directive does not apply for isolation vis a vis reservoirs if and only if Drilling and Wells have their own approved procedu res and NSSPU GP 10 36 Breaking Containment is followed Maritime systems are isolated according to specific and appro ved procedures Approval Operational isolation requires e An approved isolation confir
23. l isolation and sign the isolation confirmation certificate In connection with re setting of electrical isolation a competent person electrical operations electrician shall remove padlocks and marking conduct electrical connection sign isolation confirmation certificate When re setting heater cables the isolator and competent person electrical operations electrician shall physically check all parts of the heater cables before megging and electrification Storage of original and copy of isolation confirmation certificate Worki in progress The original isolation confirmation certificate shall be stored at the work site or with the area techncian Appendices must be kept with the original e For isolation of safety systems a copy shall be held o In the vicinity of the CCR o By the Area Technican e For electrical isolation the competent person electrical operations electrician shall retain a copy of the isolation confirmation certificate Follow up work and re setting e The area technician shall sign performed isolation confirmation certificates The Electrical copy of the IE could be unsigned by the area technician The peforming technician shall gather the original and all copies of the isolation confirmation certificate and bring them to the performing department 202 4 ELECTRICAL ISOLATION Introduction For work on electrical equipment and installations or on equipment that is connected t
24. mation certificate e An approved working environment permit level 1 in the event there is a danger of the release of o hydrocarbons 204 o chemicals classified as toxic hazardous to health corrosive allergenic or carcinogenic Safety measures e In connection with the opening of operating equipment systems that entail a danger of releasing hydrocarbons Safety measures for work on hydrocarbon bearing systems must be followed In connection with the opening of operating equipment systems that entail a danger of releasing chemicals Safety measures for work with hazardous cheimicals must be followed e Develop a contingency plan against leakage before breaking hydrocarbon and hazardous chemical systems e All cut points shall be marked on relevant documentation and in the field and shall be approved by the Area Responsible operator Application e Mechanical blinding shall be used as operational isolation in connection with o hot work Class A on hydrocarbon bearing systems connected to pre surised facilities in operation o entry of tanks and enclosed spaces opening of process equipment and systems for work that involves leaving the work site e Double block and bleed or mechanical blinding shall be used as operational isolation in connection with opening of hydrocarbon or chemical bearing systems connected to facilities with a maximum pressure support of more than 10 barg 145 psig When using Double Block and Bleed the
25. ngsplan er oppdatert og signert inkl plugger blindlokk Slanger brukt til spyling drenering vent ol er frakoblet og 3 tilkoblingspunktene er plugget blindet A Ventiler st r i riktig posisjon ESD skapene er tilbakestilt 5 nokkel supply avbloding instrument r r frakoblet 6 Blokkventiler for PSV er st r i riktig po Hvis Master Key lock har v rt brukt skal ber rt system tilbakestilles og testes uten master for verifisere tilbake 1 stilling Funksjonstest utstyr som det har v rt utf rt arbeid p f eks 8 PY LV XXV Tsoleringsplan er tilbakestillt oppdatert og signert 1g Sett brann og gass systemet operativt 11 blokkeringer I samarbeid med COR ia Fekkasjetest er utf rt Sett varmekabler i drift der det er mulig NB Kapsling m 13 v re p plass f r spenning setting 14 Tte kj lere som har v rt drenert Elektrisk utstyr er innkoplet pumper motor ol Lokal 15 n dstoppbryter er ikke aktivert Master P amp ID er oppdatert ved midlertidige opplegg som skal 16 v re i drift etter at vedlikeholdsjobber er ferdig 17 LO LC CSO CSC er reinstallert ATTACHMENT 6 ICC FORM Isolasjonserkl ring TArbeidsordre er dekket av I Arbeid som skal utf res 1 Original 3 Omr deansvarlig CCR Sikkerhetsutstyr isolert 2 Omr
26. o same all power supply to the equipment installation shall be isolated disconnected electrically Activation of emergency trip is not regarded as being electrical isolation as the emergency trip only cuts off the control power Approval e Electrical isolation requires an approved isolation confirmation certificate e An approved work permit can be used instead of an isolation confirmation certificate for low voltage installations when o the work is conducted by a competent person electrical o the equipment will not be isolated for longer than the duration of the work permit e For isolation in high voltage systems the form entitled Isolation certificate for high voltage installations shall be used Atternativly Leder for sikkerhet a and Leder for kobling can be written in the work permit if this is traceable Execution e Electrical isolation of distribution and battery systems shall only be performed by a competent person electrical e Autmation technitions can isolate in automation systems Performing technician shall be present when the isolation is set and when removed e The isolation shall ensure o that all power supply to installations equipment is isolated including power supply for control and indication o that stored energy including any capacitor potential is discharged o that equipment cannot be rendered live by means of an accident or error that circuits are without voltage by using a voltage
27. oint avoid creating a vacuum o check that the drainage system is not overloaded 3 Check that all parts of the tested system have been depressurised drained low points check valves etc Typical safety measures for leakagetesting is seald off affected area A safety evaluation shell be conducted before the work starts ref Safety measure for pressure testing 218 ATTACHMENT 5 PROCEDURE FOR PREPARATIONS AND ISOLATIONS Navn Arbeidsordre Tsolusjonserkl ring nr Utf rt av datorsign Evt endringer utfor av dato sign Verifiser av dato sien Godkjent av dato sign Behov for sjekkliste f r etter vedlikehold JA NE sign dato Hensikten med prosedyren Identifiserte farer Tiltak Forutset ger Verkt y Utstyr Referanser Styrende dokumenter Tegninger HMS datablad Annet FULL KLARGJ RING Sjekkliste for vedlikeholdsarbeid Rev nr 1 27 05 14 Utstyrsenhet beskrivelse av arbeidsoperasjon Omr deansvarlig leder har godkjent isoleringsplan for iverksettelse Dato Signatur Sjekkliste for omr detekniker Arbeidsordrenummer pakke Aktuelt A Ikke IA aktuelt ALIA Dato Signatur ol tiler sv Manuelle ventiler er l st i stengt posisjon Hydrauliske ventiler er I stengt posisjon Hydraulikk fo
28. on so that measures can be taken to remove or control any elements of risk identified during the preparation for or performance of the said task or operation CCR techncian is a person in the central control room CCR who controls and coordinates all production and other activities onboard Performing technician is the person who specifically physically executes the work covered by the work permit Safe area is a place suitible to transfer liquid or gas to without creating a dangerous situation For a vent this could be an area without ignition sourses HVAC or other suctions Primarily gas shall be depressurised to a flare vent system and liquid to a drain system 2 RESPONSIBILITY Offshore Installation Manager is the highest authority on the platform and is responsible for ensuring that all isolation of energy and safety systems is carried out safely and in accordance with HSE directives instructions HSE function safety officer is responsible for providing professional advice when planning isolations on safety systems Area authority is responsible for ensuring that all isolations in his her area of responsibility are carried out safely and in accordance with HSE directives instructions CCR technician is responsible for e coordinating all work activities underway in the operations department s area of responsibility e maintaining an overview and status of safetycritical isolations Area te
29. or other stored energy so as to ensure safe access for inspection or maintenance Isolation valve is a valve that can be tightly closed for example a ball or gate valve Regulation valves and PSV could not be used for isolation purpose Competent person electrical is a professionally qualified person approved by the responsible person electrical systems to work independently on electrical installations according to the current regulations Low voltage installations are electrical installations with nominal voltage up to and including 1000 V alternating voltage or 1500 V direct voltage Leak test must always be performed to 110 of the maximum allowed operating pressure of 90 of the PSV set pressure Leakage rate is considered by the operational responsible person Maximum operating pressure is the maximum pressure possible in the system given the prevailing operating conditions typically given by PSHH Mechanical blinding is a method of operations isolation using physical blinding spade spectacle flange blind flange spacer Blinding should be equipped with a bleed if it lacks bleed options Area authority leads all activities within a specific area Area technician has the operational responsibility for a specific installation or area Personal isolation is short term isolation used for minor work Safe Job Analysis SJA is a systematic and step by step review of all elements of risk carried out prior to a specific task or operati
30. rried out by personnel who have been trained in the use of this particular plug There must be a user manual for the plug and the manual must be followed SJA should always be performed e The plug must be secured mechanically using a wire or chain The area must be secured during testing In particular there must be no access to the area where the plug would go in the event of an unintended blowout 207 Double block and bleed When double block and bleed is used as operational isolation the bleed off shall be equipped with pressure indicator and shut off valve to make it possible to verify the leakage rate e A log must be kept to trace a possible pressure build up if a blind is not installed bleed off is routed to a safe area if the first valve is leaking the leakage rate shall be evaluated to make sure it is routed to the right place and also to make sure it is not plugged due to hydrates solid etc The OTLD 5 takes the decision if the leakage rate is acceptable and where the bleed hose shall be routed Bleed to a permanent system shall be shown on the marked up P amp ID Single valve e Operational isolation using a single valve must be subject to thorough consideration Alternative more reliable solutions must be considered e single valve must be secured in the closed position and leak tested to the existing operating pressure in order to be approved as operational isolation e For leak tests against the fl
31. rsyning er stengt akkumulator avblodd hvis mulig Aktuator er demontert eller laseplate montert p hydraulisk eller lufistyrt ventil som er fail open Vurdert behov for kj re ventiler for trykkavlaste innestengt volum i ved ventil Trykkavlastet ved behov rt og ihht Rorspesifikasjon rett trykk klasse Sjekket med den som har satt inn blindinger at di sertifis Systemet er trykkavlastet og drenert Systemet er inertisert i henhold til spyleplan under 5 Vol HC i N2 atmosf re Nitrogenslanger er frakoplet uja Tsoleringsplan er oppdatert og Signert Blindingsplan er oppdatert og signert alo Utstyr er Hist ut elektrisk pumper motor ol P amp ID er kontrollert mot master arkiv Skal signeres sjekkes ut ifm utarbeidelse av isoleringsplan F r entring er tanker og beholdere spylt med luft 02 innhold 20 9 vol Det er ogs sjekket for giftgass og hydrokarboner Isoleringsventil er mot trykkilder er lekkasjetestet f eks equalizing blow down systemet 219 220 FULL KLARGJ RING Sjekkliste etter vedlikeholdsarbeid Rev nr I 27 08 14 Utstyrsenhet beskrivelse av arbeidsoperasjon Sjekkliste for omr detekniker Arbeidsordrenummer pakke Aktuelt A Ikke aktuelt IA ALIA Dato Signatur 1 Systemet er inertisert og fritt for oksygen 02 lt 4 vol Blindi
32. s tree valves and or subsurface safety valves DHSV shall be conducted by WIS without requiring a separate isolation certificate valve interface from well intervention to process facility e g wing valve valves to closed drain and production header that require a separate isolation confirmation certificate When well intervention is complete WIS shall deliver the Xmas tree and subsurface safety valve DHSV to the area authority production OTLD by signing the form for Takeover of well control NSSPU GP 10 36 Breaking containment is valid for all well work 209 6 PERSONAL ISOLATION Introduction Personal isolation is a simple operational isolation that can be used in connection with shut off of minor process and operation equipment When using personal isolation the plant must be closed in accordance with Section 5 Operational insulation For personal isolation securing electric equipment see section 4 Approval e Personal isolation does not require an approved isolation confirmation certificate e Personal isolation requires an approved work permit as described in HSE Directive 1 Work Permits The Area technicion is excepted from this requirement Use Personal isolation can be used for minor work such as replacing pressure gauges replacing filters replacing minor instrument valves calibration of level instrument float on manifold with diesel minor PM work Preparations for operational tasks p
33. t be mechanically locked in the closed position Preferably a mechanical lock should be fitted on the valve and not on the drive medium hydraulics pneumatics If this is not possible isolation locking and disconnection of the impulse pipe must be considered valve position must be easily identifiable To clearify the boundings of the isolation the following marking shall be used on the P amp IDs Valves isolated in closed position shall be marked with red color Valves in open position shall be marked with green color The area in between the isolstion where the job is performed shall be marked with yellow color The bleed volume shall be marked with orange color Blinds shall be marked with red color The work item shall be marked with blue color Well intervention except for Before well intervention the well intervention team WIS shall assume control of the Xmas tree and the subsurface safety valve DHSV for the well in question Well controll shall be assumed when the area authority production OTL D signs the form for Take over of well control to WIS or the toolpusher All handover between operation and well interventionteam must be followed by an isolation confirmation certificate An Isolation confirmation certificate shall be used for rigging that may reduce the integrity level of the X mas tree and removal of hydraulic connections for emergency shutdown In connection with well intervention operation of the Xma
34. tand the combined weight of the equipment and water used during the test Leak test All parts of the operating system equipment that have been opened flanges nozzles lids instrumentation etc shall be tested for leakage before taken into operations e Water should primarily be used as test medium In case it is not practical to use water as test medium nitrogen is used instead Ref BPN Z 007 chapter 7 1 Well valves can be tested with diesel Leak test is performed by 110 of the maximum operating pressure 90 of opening pressure set on the safety valve Performance of leakage testing When using water the equipment shall be filled to 100 first ensure that the gas is vented at the highest point 1 Increase the pressure to approx 10 of the test pressure maximum 10 bar Check for possible leaks flanges plugs etc Increase the pressure gradually to 50 of the test pressure Check for possible leaks flanges plugs etc Increase the pressure gradually to the test pressure Maintain the pressure for an adequate period of time in order to perform a thorough check for leaks AankRWN 217 Avoid shock loads o Avoid passing in front of possible leakage points o Monitor any possible temperature variations that can influence the pressure After leakage testing 1 Reduce the pressure gradually to atmospheric pressure 2 In the event of drainage refill nitrogen at the highest p
35. tion of isolation of high voltage installations e For isolation of high voltage installations ref item 4 Electrical isolation e The isolation confirmation certificate must show which equipment systems will be worked on A sketch drawing showing in detail which equipment systems are involved should also be included The performing department and contact person must also be included on the certificate e The marked up P amp ID shall show the situation before the performing technician starts the work In connection with isolation of heater cables the isometric drawings where this exists and P amp ID showing the extent of he heater cables must be enclosed with the work permit Documetation for larger isolations shall consist of refer to attachments o Procedure for isolation and reinstatement Oo ICC Valve list and or Blind list o Marked up P amp ID s o Other relevant documentation Process for isolation confirmation certificates e The department that requires the isolation will fill in and pass the isolation confirmation certificate with the relevant P amp ID s to the Area Authority as described in Completing isolation confirmation certificates For work that can be planned the isolation statement should be delivered to the area responsible department 2 3 days before the work is to be performed The department manager area authority or area technician shall complete the isolation confirmation certi
36. ut dersom det er isolasjon av sikkerhetsutstyr Omr deansvarlig legger inn kompenserende tiltak Verneleder og feltsjef signerer for godkjenning av kompenserende tiltak Modul 3 beskriver ansvar og myndighet for test og tilbakestilling avisolering Denne modulen skal fylles ut av omr deansvarlig Omradeansvarlig kan her delegere myndighet til kontrollrom eller omr detekniker for utf ring av test eller tilbakestilling avisolering Modul 4 beskriver driftsisolering Det fylles ut navn p utstyr hvilken disiplin som har bedt om isolering 213 Om isolering er skjedd i pen eller stengt posisjon Om utstyret er merket og om utstyret er fysisk frakoblet blindspade montert Neste rubrikk er for testing F r inn innkobling og frakobling Godkjent for test skal signeres i hht Modul 3 f r test iverksettes Det er mulighet for foreta separate tester for de forskjellige utstyr ved at det krysses for om utstyr 1 8 er testet Siste rubrikk er for tilbake stilling Her skal omr deoperat r signere For st rre driftsisoleringer m det lages blindingsinstruks dvs prosesstegninger som viser ventiler og isoleringsposisjon for denenkelte ventil Man refererer da til vedlegg Tilbakestilling skal ikke skje f r f rste linje i modul 6 er utfylt Modul 5 beskriver elektrisk isolering F rst beskrives utstyr som nskes isolert med mulighet for spesifisering av delutstyr I f rste rubrikk utstyr merket krysses det av
37. ykkstatus X mas Tree Pressure status of X mas Tree Bi dd av Ikke bl dd av Depresurrised Not Depressurised Pressure innside X mas tree Pressure between Service Wing Valve and Blind Cap Pressure between Swab Valve and Blind Cap Pressure downstream Production Wing Valve Pressure in kill service line if installed 224 Ventilstatus Valve Status X mas Tree og Wellhead Valves pen 7 Lukket NA Koblet til ESD Open Closed NA Hooked up to ESD Swab valve Production Wing Valve hydraulic ESD Upper Master Valve hydraulic ESD Lower Master Valve manuell Service Wing Valve Kill Wing Valve Pressure gauge isolation valve on X mas tree Needle Valve on Tree Cap annulus valve s inner annulus valves annulus valve s C annulus valve s D annulus valve s annulus Pressure Gauge Isolation Valve annulus Pressure Gauge Isolation Valve C annulus Pressure Gauge Isolation Valve D annulus Pressure Gauge Isolation Valve Needle valves on all annulus if installed If M SAS H SAS installed on Annulus A Status If M SAS H SAS installed on Annulus Status If M SAS H SAS installed on Annulus C Status If M SAS H SAS installed on Annulus D Status DHSV Control Line Isolation Valve ASV Control Line Isolation Valve ASV Setting Line Isolation Valve GLV Chem
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