HV Interface Presentation (1)
- 1. HV Substation Interface Activities: Safety/Operational Requirements Produced By: C Doyle
- 2. Contents • Activity 1: Installation • Activity 2A: Cable termination HV & LV • Activity 2B: Unlicensed Commissioning • Activity 3: Back Energisation • Activity 4: Commissioning • Activity 5: Post COD
- 3. HV INTERFACE ACTIVITY 1: INSTALLATION HV Substation Interface Activities
- 4. HV Interface: Activity 1 Installation • Civil works (cable ducts) • Cable Support Install • Scaffolding • HV Cable Pull • LV Cable Pull • Earthing (assume PS Earth is Tested/Complete) • Install APDF Remote I/O Panel • NG Unlicensed Relays Installation in M1/M2
- 5. HV Interface Activity 1: Installation Safety/Procedural Boundaries X190 X196 X194 X193 F19A Cable bushing Sub FenceSUBSTATION POWERSTATION SAFETY: • NG Safety Rules Apply • NG Performs CPS • SAP (P.Monaghan, Brian Sleigh) • Implementation Safety Coordinator (P. Monaghan? TBC) • Following Review of RAMS, LWC may be issued • Point of isolation issued for work on LV systems/ System Connection Rules SAFETY: • APDF work is undertaken under APDF Local Safety Instructions/Safety Rules • Rules submitted to NG For Review • RAMS submitted to NG 3 weeks prior to work taking place for review by NG Operational: • APDF work under a point of isolation for any LV work utilising their own Safety Instructions APDF Working Party Requires: NG Persons NG Competent Persons (key Holder also) Approved scaffolders for NG Safety Rules Operational: • NG Local Instructions • NG Performs CPO Notes: • Area will be delineated with the EPC Contractor as PC under the CDM Regs. APDF can access through own gate but will require a key holder under NG rules. This should be agreed at CDM meeting and also discussed through TP153 meeting to finalise. • Programme of work to be managed through TP106 and specific working groups. APDF must submit detailed activity programme. • Note: If earths are not terminated insulated working must be carried out under NSI 5,6 &24, RAMS should be based on this (preferably not done until earths are connected for safety) Circuit equipment on Power station side Surge Arrestors Cable Protected Both Ends Module M1/M2 Cable Pulled Not Terminated CCT 1 & CCT 2 C&P Module Esbi Civil Contractor Required NG Persons NG Competent Persons (key Holder also) NG Working Party Requires: • To work under APDF Permit • Trained as person and work under APDF competent person
- 6. Actions • APDF to confirm what qualifications/inductions NG Working Party Requires to install Protection Relays in M1/M2 and process for submitting RAMS • APDF to confirm list of personnel undergoing Person/Competent Person training from AP and DF and that a key holder will also be provided • APDF to confirm the qualifications of their contractors who will access the substation for cable pulling HV/LV/I&C, cable support install and terminations • APDF RAMs to be submitted to NG a minimum of 3 weeks prior to proposed work, this is to be coordinated through the TP106/153 meetings on site. ESBI remind APDF of site RAMS review period by OE prior to submission to NG. • A safety inaugural meeting will be required to take place 6 weeks prior to any works commencing, APDF to advise when this should be scheduled • APDF to review programme submitted under APDF/CPL/1187 and advise on current programme as changes should be coordinated through the TP meetings with NG
- 7. HV INTERFACE ACTIVITY 2A: CABLE TERMINATION HV & LV HV Substation Interface Activities
- 8. HV Interface: Activity 2A Cable Termination: HV & LV • Install GIS Sealing End (ABB Interface) • HV Cable Testing • Install HV Cable Termination • Earth Terminations (cable) • Scaffolding • LV Cable Testing and Terminations
- 9. HV Interface Activity 2A: HV & LV Cable Terminations X190 X196 X194 X193 F19A Cable bushing Sub FenceSUBSTATION POWERSTATION SAFETY: • NG Safety Rules Apply • NG Performs CPS • SAP (P.Monaghan, Brian Sleigh) • Implementation Safety Coordinator (P. Monaghan? TBC) • Following Review of RAMS, LWC may be issued • Point of isolation issued for work on LV systems/ System Connection Rules SAFETY: • APDF work is undertaken under APDF Local Safety Instructions/Safety Rules • Rules submitted to NG For Review • Trafo Compound locked and under NG Safety Rules Operational: • APDF work under a point of isolation for any LV work utilising their own Safety Instructions APDF Working Party Requires: NG Persons NG Competent Persons (key Holder also) Approved scaffolders for NG Safety Rules Operational: • NG Local Instructions Apply for Isolations • HVSCC Required to bring cable and sealing ends in remote compound (Trafo) under NG CPO • NG Performs CPO Notes: • Area will be delineated with the EPC Contractor as PC under the CDM Regs. APDF can access through own gate but will require a key holder under NG rules. This should be agreed at CDM meeting and also discussed through TP153 meeting to finalise. • Programme of work to be managed through TP106 and specific working groups. APDF must submit detailed activity programme. • Note: If earths are not terminated insulated working must be carried out under NSI rules, RAMS should be based on this (preferably not done until earths are connected for safety) Circuit equipment on Power station side Module M1/M2 CCT 1 & CCT 2 C&P Module No System Connection 3.5m Safety Distance
- 10. HV INTERFACE ACTIVITY 2B: UNLICENSED COMMISSIONING PHASE 1 HV Substation Interface Activities
- 11. HV Interface: Activity 2B Unlicensed Commissioning: (LV Cable terminations Complete, Prior to HV Cable) • Commissioning of signals between PP & SS (Phase 1)
- 12. HV Interface Activity 2B: Unlicensed Relay Commissioning Phase 1 X190 X196 X194 X193 F19A Cable bushing Sub FenceSUBSTATION POWERSTATION SAFETY: • NG Safety Rules Apply • NG Performs CPS • SAP (P.Monaghan, Brian Sleigh) • Implementation Safety Coordinator (P. Monaghan? TBC) • Following Review of RAMS, LWC may be issued SAFETY: • NG work in M1/M2 under APDF rules • Further coordination required in working group meetings Operational: • Discuss with APDF. How will this interface be managed (Phase 1) NG Working Party Requires: • To work under APDF Permit • Trained as person and work under APDF competent person Operational: • NG Local Instructions Apply for Isolations • NG Performs CPO • SRS requires discussion at TP153 (LV equipment) Notes: • SRS requires discussion at TP153 (LV equipment) • Programme of work to be managed through TP106 and specific working groups. APDF must submit detailed activity programme. • NG will work under APDF rules in Module M1/M2 Circuit equipment on Power station side Module M1/M2 CCT 1 & CCT 2 C&P Module No System Connection 3.5m Safety Distance
- 13. Actions • NG Unlicensed to confirm power requirements for relays and APDF to ensure these are available for programmed dates • NG unlicensed to provide commissioning plan for Phase 1 & Phase 2 commissioning
- 14. HV INTERFACE ACTIVITY 3A: BACK ENERGISATION CABLE SOAK HV Substation Interface Activities
- 15. HV Interface: Activity 3 Back Energisation: Cable Soak • Switch in cable for 24hr soak test • HVSCC issued and Revert Back to busbar disconnects for further back energisation under NG CPS and APDF CPO
- 16. HV Interface Activity 3: Back Energisation Cable Soak X190 X196 X194 X193 F19A Cable bushing Sub FenceSUBSTATION POWERSTATION SAFETY: • NG Safety Rules Apply • NG Performs CPS • SAP (P.Monaghan, Brian Sleigh) • Implementation Safety Coordinator (P. Monaghan? TBC) • Following Review of RAMS a RISSP may be issued SAFETY: • APDF work is undertaken under APDF Local Safety Instructions/Safety Rules • Rules submitted to NG For Review • Trafo Compound locked and under NG Safety Rules Operational: • National Grid are CPO APDF Working Party Requires: NG Persons NG Competent Persons (key Holder also) Operational: • NG Local Instructions Apply for Isolations • HVSCC Required to bring cable and sealing ends in remote compound (Trafo) under NG CPO • NG Performs CPO Notes: • Area will be delineated with the EPC Contractor as PC under the CDM Regs. APDF can access through own gate but will require a key holder under NG rules. This should be agreed at CDM meeting and also discussed through TP153 meeting to finalise. • Programme of work to be managed through TP106 and specific working groups. APDF must submit detailed activity programme. • Immediately after cable soak the control boundary moves to HV disconnects under a HVSCC, NG relinquish CPO role and O&M undertake this role under their local instructions which have been approved by NG • NG retain the CPS role under contract to Asset Management • Partial Discharge monitoring/testing to be discussed at TP106 Circuit equipment on Power station side Module M1/M2 CCT 1 & CCT 2 C&P Module No System Connection 3.5m Safety Distance
- 17. HV INTERFACE ACTIVITY 3: BACK ENERGISATION HV Substation Interface Activities
- 18. HV Interface: Activity 3 Back Energisation: GSUT Energisation, LV GCB, 6.6kV (as per back energisation procedure) • Energise GSUT, IPB’s, HV Side of GCB, UT up to 6.6kV Incoming Breakers
- 19. HV Interface Activity 3B: Back Energisation: GSUT Energisation, LV GCB, 6.6kV (as per back energisation procedure) X190 X196 X194 X193 F19A Cable bushing Sub FenceSUBSTATION (O&M Operational CPO) POWERSTATION SAFETY: • NG Safety Rules Apply • NG Performs CPS • SAP (P.Monaghan, Brian Sleigh) • Implementation Safety Coordinator (P. Monaghan? TBC) • Following Review of RAMS a RISSP may be issued (type of safety document to be discussed) SAFETY: • APDF work is undertaken under APDF Local Safety Instructions/Safety Rules • RISSP Issued and taken by O&M CPO, RISSP integrated into APDF safety rules Operational: • O&M are now CPO under their operational procedures/local instructions APDF Working Party in Substation Requires: NG Persons NG Competent Persons (key Holder also) APDF liaise with O&M CPO/Requesting Safety officer Operational: • HVSCC agreed with SRS defined as O&M CPO • Contact persons agreed in SRS and through compliance process between O&M CPO and NG Control Centre Notes: • Area will be delineated with the EPC Contractor as PC under the CDM Regs. APDF can access through own gate but will require a key holder under NG rules. This should be agreed at CDM meeting and also discussed through TP153 meeting to finalise. • Programme of work to be managed through TP106 and specific working groups. APDF must submit detailed activity programme. • NG retain the CPS role under contract to Asset Management • O&M are CPO Circuit equipment on Power station side Module M1/M2 CCT 1 & CCT 2 C&P Module O&M Personnel: NG Persons (to access substation) Competent Persons Authorised Persons Requesting Safety Officer (can be the CPO) but must be trained to level to receive a RISSP
- 20. Control/Safety/Maintenance Ownership Boundaries X190 X196 X194 X193 CCGT Equipment Sub Fence NG Safety Rules /Maintenance NG Ownership NG Operational APDF Safety rules O&M Ownership O&M Operational
- 21. HV Safety/Operational Interface Protocol Warwick Substation Power Station NG O&M APDF HV Control Person/ CPO CPOCPS Implementing Safety Coordinator/ SAP APDF HV Interface manager TP106/TP153/Working Group meetings Planned Operational Switching/ Outages Client Review Planned Outages Planned Operational Switching Emergency Switching Planned Switching Communications Switching Request/ RISSP Issue Emergency Switching Planned Switching
- 22. Actions • O&M Safety Rules/HV Switching/RISSP Process (including third party involvement) to be finalised and submitted to NG for review ASAP • O&M to confirm timelines for training of Authorised Personnel for HV Control Persons • Switching should be remote i.e. DCS • APDF to include a HV Switching Interface protocol in safety rules to include RISSP process • CPL/O&M to confirm that HV Busbar Disconnects are to be switched by NG and not at DCS.
- 23. HV INTERFACE ACTIVITY 4: COMMISSIONING HV Substation Interface Activities
- 24. HV Interface: Activity 4 Commissioning • Commissioning as Per APDF Programme • Phase 2 Commissioning of Unlicensed Protection Relays (load) • Full Control & Protection Commissioning • Plant functional tests • Grid Compliance Tests • Performance Test • Reliability Run • Handover
- 25. HV Interface Activity 4: Commissioning X190 X196 X194 X193 F19A Cable bushing Sub FenceSUBSTATION (O&M Operational CPO) POWERSTATION SAFETY: • NG Safety Rules Apply • NG Performs CPS • SAP (P.Monaghan, Brian Sleigh) • Implementation Safety Coordinator (P. Monaghan? TBC) • Following Review of RAMS a RISSP may be issued (type of safety document to be discussed) SAFETY: • APDF work is undertaken under APDF Local Safety Instructions/Safety Rules • RISSP Issued and taken by O&M CPO, RISSP integrated into APDF safety rules Operational: • O&M are now CPO under their operational procedures/local instructions APDF Working Party in Substation Requires: NG Persons NG Competent Persons (key Holder also) APDF liaise with O&M CPO/Requesting Safety officer Operational: • HVSCC agreed with SRS defined as O&M CPO • Contact persons agreed in SRS and through compliance process between O&M CPO and NG Control Centre Notes: • Area will be delineated with the EPC Contractor as PC under the CDM Regs. APDF can access through own gate but will require a key holder under NG rules. This should be agreed at CDM meeting and also discussed through TP153 meeting to finalise. • Programme of work to be managed through TP106 and specific working groups. APDF must submit detailed activity programme. • NG retain the CPS role under contract to Asset Management • O&M are CPO • O&M are working in APDF working parties for power station commissioning and are trained under APDF Safety Rules Circuit equipment on Power station side Module M1/M2 CCT 1 & CCT 2 C&P Module O&M Personnel: NG Persons (to access substation) Competent Persons Authorised Persons Requesting Safety Officer (can be the CPO) but must be trained to level to receive a RISSP
- 26. HV Interface: Activity 5 Post COD • Normal Operation
- 27. Control/Safety/Maintenance Ownership Boundaries X190 X196 X194 X193 CCGT Equipment Sub Fence NG Safety Rules /Maintenance NG Ownership NG Operational O&M Ownership O&M Operational O&M Safety Rules /Maintenance
- 28. HV Safety/Operational Interface Protocol Warwick Substation Power Station NG O&M HV Control Person/ CPO CPOCPS Implementing Safety Coordinator/ SAP Planned Outages Planned Operational Switching Emergency Switching Planned Switching Communications/ TOGA Switching Request/ RISSP Issue