Our dive work is typically suppression pool or torus crud cleaning with a vac
or work in a PWR upender pit. Normally have 5 locations, lower thighs, chest,
and lower arms above the elbow with a transmitting DMC2000 ED on each feeding
into a single iMux transmitter. Use finger and toe rings.
Lower thighs typically come up highest dose, but still issue for other
locations since water is a high density working fluid such that single
dosimeter relocation would not detect a problem elsewhere on the body...
We use a fishnet vest with about a quarter inch mesh so that we can tie-wrap
the dosimeters in the right location.
Glen Vickers, CHP
Exelon Corp RP Technical Lead
From: Stoicescu, Laura [mailto:lstoice...@stpegs.com]
Sent: Monday, March 05, 2018 2:26 PM
Subject: [EXTERNAL] [powernet] Diving dosimetry question
South Texas Project would like to know what other NPP are doing for diving
operations as far as the number of SRD and DLR and the locations used. For
example how many DLR and SRDs are used for each diver and do they place a SRD
on extremities i.e. wrists/ankles?
Laura Stoicescu, CHP
South Texas Project
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