ML20198F560

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Summary of 740115 Site Visit to Inspect Onsite Meteorological Monitoring Program
ML20198F560
Person / Time
Site: Clinton, Washington Public Power Supply System
Issue date: 01/22/1974
From: Fairobent J
US ATOMIC ENERGY COMMISSION (AEC)
To: Harold Denton
US ATOMIC ENERGY COMMISSION (AEC)
References
CON-WNP-0955, CON-WNP-955 NUDOCS 8605290004
Download: ML20198F560 (2)


Text

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i JAN 2 2 074 jo4M/W/

Harold R. Denton, Assistant Director for Site Safety, L THRU: William P. Gammill, Chief, Site Analysis Branch, L SITE VISIT TO CLINTON POWER STATION On January 15, 19 74, I me t with C. Nicholas, Sargent &

Lundy Meteorologist, E. Davis, TRC Meteorologist, and J. Spencer, IPC representative, to inspect the onsite meteoroloC i cal monitoring program and to discuss items of concern in the review of the Clinton application.

The onsite meccorological monitoring program, operational since May 1972, consists of a 199-ft tower located about 2500 feet south of the main reactor structures. Wind speed and direction are measured at 10s and 60s; Delta-T is measured between 10m and 60m; dewpoint temperature is measured at 10m and 60m; and ambient temperature is measured at 10m. Data are recorded on strip charts in a metal thed about 10 feet east of the towar. An IPC technician inspects the facility about every 3 days, and an inventory of spare parts is kept onsite for emergency maintenance. The strip chart records are sent to TRC every two weeks for data reduction, summarized, and then transmitted to Sargent & Lundy for analysis. The meteorological monitoring program has been maintained to acnieve grea.or chau 90% data recovery.

The major item of discussion was the submittal of one year onsite joint frequency distribution of wind speed and direction by atmospheric atability (as defined by vertical temperature gradient). The applicant indicated that these data were available, and would be submitted in a timely manner.

James E. Fairobent, Heteorologist Site Analysis Branch Directorate of Licensing cc: See attached sheet 8605290004 740122 PDR ADOCK 00000460 G PDR

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