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12.2 LCRA TSC will provide SMTXU access to 125 VDC and 120 VAC power. <br /> Circuits must have over current protection devices(OCPD) sized according to NEC <br /> standards. Panel boards containing the OCPD may belong to either SMTXU (if <br /> space is available)or LCRA TSC. <br /> 12.3 LCRA TSC will provide SMTXU with floor space (as available and as necessary)in <br /> its control houses for the installation of SMTXU required relay panel boards and <br /> equipment. <br /> 12.4 LCRA TSC will provide tripping and close inhibit contacts from LCRA TSC's 138 <br /> kV differential & breaker failure relaying panel to SMTXU's circuit switcher <br /> CS8235 relaying panel. <br /> 12.5 SMTXU will provide breaker failure initiate contacts from SMTXU's 138 kV circuit <br /> switcher CS8235 relaying panel to LCRA TSC's 138 kV bus differential &breaker <br /> failure relaying panel. <br /> 12.6 SMTXU will supply and provide relaying current transformers from SMTXU's <br /> Transformer T2 for use by LCRA TSC in LCRA TSC's 138 kV bus differential <br /> relaying scheme. <br /> 12.7 LCRA TSC and SMTXU shall design, provide, and coordinate their respective <br /> protection system equipment so that adjacent zones of protection overlap, in <br /> accordance with ERCOT Nodal Operating Guides. <br /> 12.8 LCRA TSC will make reasonable efforts to notify SMTXU in advance of any <br /> planned repairs or updates to LCRA TSC's system that may result in a temporary <br /> outage of the electrical operations on the SMTXU side of the Redwood substation. <br /> 13. Project Responsibilities: <br /> 13.1 Project Name: Redwood Substation Addition <br /> 13.2 Projected In-Service Date(s): May 15,2025 <br /> 13.3 Project Costs: Each Party will be responsible for all costs incurred in connection with <br /> the design,procurement,and construction activities for the facilities it owns. <br /> -----The remainder of this page has intentionally been left blank----- <br /> FifthAmendment to the Interconnection Agreement between LCRA TSC and SMTXU Page 6 of 13 <br />