ML20140F342: Difference between revisions
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{{#Wiki_filter:}} | {{#Wiki_filter:, DISTRIB M N WM s/f (48 WMGT r/ | ||
NMSS R/F MAR 2 01986 REBrowning | |||
.M/86/03/-19 MBell JBunting PJustus TJohnson r/f PDR MEMORANDUM FOR: E. Hawkins, URF0 FROM: T. Johnson, WMGT | |||
==SUBJECT:== | |||
TELECON WITH MORRISON-KNUDSEN REGARDING BOD 0 CANYON PRELIMINARY DESIGN By letter dated March 4, 1986, Morrison-Knudsen Co. (M-K) requested my comments on a conceptual, preliminary design for the Bodo Canyon (Durango) remedial action plan. M-K submitted several preliminary drawings for review, prior to finalizing the design later this month. | |||
In accordance with the request, I called Fred Feliz on March 19, 1986 to discuss my preliminary comments on the design concept. During our conversation, I made the following points: | |||
: 1. I indicated that it was doubtful that the propnsed apron (with a D 50 rock size of only 6") was adequate to handle the combined flows from off the pile and from the diversion ditches. | |||
: 2. I indicated that the erosion protection (D 50 of only l'_2') for the channel to the north of the site was probably not adequate, due to the existing steep channel slopes. WM Record file WM Project N ._ | |||
DocketNo. __ | |||
PDR V __ | |||
LPDR. ' ~ | |||
Distr $ution: | |||
l | |||
__ J (Return to WM,623-SS) | |||
)FC :WNGT : : | |||
L___ _____.______... ~ 8603310372 860320 ___.____________.____________.___________ | |||
AME :TJohnson : ((_4g"* PDR : : : | |||
____:____________: _m.________ , , , :____________:___________ | |||
$TE :86/03/ : : : : : : | |||
TJ/86/03/19 2-t | |||
: 3. I indicated that the ditch or apron termination point should have rock which should.be placed at least to the deoth.of the existing gully. I also indicated that the. ditch could probably be shortened somewhat, if this was done. | |||
: 4. I indicated that I was concerned about the berms and the fill that will be placed in the existing gullies and arroyos. I suggested that this fill showed be protected by a rock layer to prevent future gully formation. ' | |||
M-K indicated that these suggestions were much appreciated and would be taken under advisement during the development of the final plan. M-X indicated that they expected to make further revisions to this plan, based on the results of a meeting that was held in San Francisco on March 17, with the TAC. | |||
\ | |||
T. Johnson, WMGT | |||
)FC :WM T : : : : : : | |||
(AME :T hns6n : : : : : : | |||
) ATE :86/03/u : : : : : : | |||
. _ , - . . p. -...y_.,,... r.,, , , - - - . _,w..,_,,..,.-w-# y, . . . , o _,.r_..cr , ,, _ -.,7_y}} | |||
Revision as of 03:20, 22 July 2020
| ML20140F342 | |
| Person / Time | |
|---|---|
| Issue date: | 03/20/1986 |
| From: | Johnson T NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Hawkins E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| REF-WM-48 NUDOCS 8603310372 | |
| Download: ML20140F342 (2) | |
Text
, DISTRIB M N WM s/f (48 WMGT r/
NMSS R/F MAR 2 01986 REBrowning
.M/86/03/-19 MBell JBunting PJustus TJohnson r/f PDR MEMORANDUM FOR: E. Hawkins, URF0 FROM: T. Johnson, WMGT
SUBJECT:
TELECON WITH MORRISON-KNUDSEN REGARDING BOD 0 CANYON PRELIMINARY DESIGN By letter dated March 4, 1986, Morrison-Knudsen Co. (M-K) requested my comments on a conceptual, preliminary design for the Bodo Canyon (Durango) remedial action plan. M-K submitted several preliminary drawings for review, prior to finalizing the design later this month.
In accordance with the request, I called Fred Feliz on March 19, 1986 to discuss my preliminary comments on the design concept. During our conversation, I made the following points:
- 1. I indicated that it was doubtful that the propnsed apron (with a D 50 rock size of only 6") was adequate to handle the combined flows from off the pile and from the diversion ditches.
- 2. I indicated that the erosion protection (D 50 of only l'_2') for the channel to the north of the site was probably not adequate, due to the existing steep channel slopes. WM Record file WM Project N ._
DocketNo. __
PDR V __
LPDR. ' ~
Distr $ution:
l
__ J (Return to WM,623-SS)
)FC :WNGT : :
L___ _____.______... ~ 8603310372 860320 ___.____________.____________.___________
AME :TJohnson : ((_4g"* PDR : : :
____:____________: _m.________ , , , :____________:___________
$TE :86/03/ : : : : : :
TJ/86/03/19 2-t
- 3. I indicated that the ditch or apron termination point should have rock which should.be placed at least to the deoth.of the existing gully. I also indicated that the. ditch could probably be shortened somewhat, if this was done.
- 4. I indicated that I was concerned about the berms and the fill that will be placed in the existing gullies and arroyos. I suggested that this fill showed be protected by a rock layer to prevent future gully formation. '
M-K indicated that these suggestions were much appreciated and would be taken under advisement during the development of the final plan. M-X indicated that they expected to make further revisions to this plan, based on the results of a meeting that was held in San Francisco on March 17, with the TAC.
\
T. Johnson, WMGT
)FC :WM T : : : : : :
(AME :T hns6n : : : : : :
) ATE :86/03/u : : : : : :
. _ , - . . p. -...y_.,,... r.,, , , - - - . _,w..,_,,..,.-w-# y, . . . , o _,.r_..cr , ,, _ -.,7_y