Common use of Line to Hardscrabble Substation Clause in Contracts

Line to Hardscrabble Substation. Primary system will be a line current differential relay with fiber-optic communications between the stations. Alternate system will be a communications scheme that utilizes POTT with a multi-function line protection relay. Breaker failure protection (primary and alternate) relays and Direct Transfer Trip (“DTT”) transmit/receive capability to/from Valley & Inghams Station’s remote breakers via carrier and audio-tone, including telephone circuit, DTT receive relays, carrier transmit/receive system, and audio-tone transmit/receive system. Breaker failure protection (primary and alternate) relays and DTT transmit capability to/from Collection Station’s remote breakers via copper cable installed between the stations. Cabinets to accommodate the above listed items, as necessary. Fairfield EMS/RTU with telco provided data circuit to Central Regional Control in Liverpool, NY. Communications between Hardscrabble RTU and Fairfield RTU via developer owned fiber optic cable. Digital Fault Recorder. Annunciator for local status/alarm indication.