DRC-2011-007906 - 0901a06880303c16

DRC- 20*-0079Q'S g^i ofi
Russell Topham - DRC 9/1/2011 RFI and Confirmatory Action Letter Stormvs^ater Inspection
From: Jo Ann Tischler <jtischler@denisonmmes com>
To: Rusty Lundberg <RLUNDBERG@utah gov>
Date: 9/26/2011 4 59 PM
Subject: DRC 9/1/2011 RFI and Confirmatory Action Letter Stormwater Inspection
CC: Thomas Rushing ii <TRUSHING@utah gov>, Phillip Goble <Pgoble@utah gov>,
Harold Roberts <HRoberts@denisonmines com>, David Turk
<DTurk@denisonmines com>, David Frydenlund <DFrydenlund@denisonmines com>,
Kathy Weinel <KWeinel@denisonmines com>
Attachments: New Concrete-Layoutl pdf
I have attached an engineering drawing for the proposed new concrete layout at the alternate feed area This
layout provides new concrete pad areas for management of alternate feed drums
Per Tom Rushing's email of 9/22/2011, DRC has committed to provide comments to Denison by the end of this
week
Jo Ann Tischler
Jo Ann Tischler
Director, Compliance and Permitting
t 303-389-4132 I f 303-389-4125
1050 17th Street, Suite 950
Denver, CO, US, 80265
DENISON MINES (USA) CORP
wvwv denisonmines com
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file //C \Documents and Settings\rtopham\Local Settings\Temp\XPgrpwise\4E81D480EQ 9/28/2011
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INDICATED BY THE GRADING LINES
SUBGRADE SHALL BE COMPOSED OF COMPACTED SOIL AND ROCK
CONCRETE SHALL BE 4000 PSI MIX
CONCRETE TD BE 6 SLAB DN GRADE
CONCRETE EXPANSION JOINTS SHALL BE DETERMINED AT INSTALLATION
JOINTS SHOULD LEAVE A MINIMUM Or 24 DF PROTRUDING REBAR FDR THE NEXT
POUR
REINFORCEMENT BAR TD BE USED SHALL BE REBAR AND SHOULD BE LOCATED
APPROXIMATELY MIDWAY THROUGH THE CONCRETE SLAB
REINFORCEMENT BAR SPACING TD BE 12 DN CENTER WITH MINIMUM OF 18
OVERLAP
HYDRO-FLEX WATERSTDP IS TO BE APPLIED TD ALL COLD JOINTS IN ACCORDANCE
WITH MANUFACTURER RECOMMENDATION
SIGNATURE DATE
SRS 09/26/11 ORWNi 09/26/11
DH 09/26/11
PENISO MINES
ALTERNATE FEED
CCNCRere SLABS FO) VKUH STAdNG/HANSLING
SHEET 1 of 1
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