2Logging Clause Samples
2Logging. The system shall log pre-selected variables at one hour intervals beginning at 1:00 AM. Values shall be printed at the end of each 24 hour period at midnight on the log printer. The variables shall consist of calculated values, averaged values, integrated values, instantaneous values, weight averaged values, or the maximum value for the time period. The variables and the exact format of the log shall be agreed to by the Purchaser. Data shall be logged on sheets in column form with data for any given variable tabulated in one vertical column. The data which is currently being accumulated for the log shall be protected in case of system failure. The log program shall automatically re-initiate the accumulation of data following a system fail over without loss of data.
8.2.1. 3Historical Data Collection, Storage, and Presentation A historical data collection, storage, and presentation (HCSP) system shall be provided that will fully automate the collection, storage, retrieval and presentation of plant data. The HCSP shall provide a centralized collection of information, a real-time database and a historical data archive. The HCSP shall interface with all of the plant real-time systems (i.e. CTG Control System, BOP DCS, etc.) simultaneously and shall be capable of reading and writing to these systems. The HCSP shall be complete with server, monitor, RAM, hard drive, tape backup, CD ROM drive, etc.
