Fort Calhoun normally dilutes to within 100 ppm of ECC boron, then withdraws Shutdown Banks A & B, dilutes the remaining 100 ppm to ECC boron, withdraws the non-trippable rods, and then withdraws the Reg Rods.

Matt Pohl (402)533-6820

-----Original Message----- From: respvr-bounces@retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of Hugh_E_McKenney@dom.com Sent: Thursday, May 18, 2006 8:19 AM To: respvr@retaqs.com Subject: [Respvr] Start Up sequence

RE Supervisors,

Does your plant normally start up (non RFO) by withdrawing shutdown banks first, then diluting the RCS to the estimated critical rod position (Cb) then withdrawing control rods to critical?

or

Does your plant normally start up by first diluting the RCS to the estimated critical rod position (Cb), then withdrawing shutdown banks, then withdrawing control rods to critical?

Thanks

Hugh McKenney Dominion Resources Services, Inc. Reactor Engineering Supervisor Phone: 8-759-2359 or 860 447-1791 x2359 Email: Hugh_E_McKenney@Dom.com

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