ML20209E731
| ML20209E731 | |
| Person / Time | |
|---|---|
| Issue date: | 07/18/1986 |
| From: | Nataraja M NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Martin D NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| REF-WM-58 NUDOCS 8609110335 | |
| Download: ML20209E731 (3) | |
Text
-
q//h 52
~
JUL 131986
.JK 7/17/86 M1 MARTIN,
MEMORANDUM FOR:
Daniel E. Martin Low-level Waste and Uranium Recovery Projects Branch Division of Waste Management FROM:
Mysore S. Nataraja
< Engineering Branch Division of Waste Mar.agement
SUBJECT:
WM'EG REVIEW COMENTS ON DOE'S " SURVEILLANCE AND MAINTENANCE PLAN, SHIPROCK, NEW MEXIC0" i
In response to Technical Assistance Request No. WM-86551, we have enclosed our
, review comments on,the subject document.
The attachment was prepared by Joseph Kane who may be directly contacted at X74367 should you have questions on the attachment.
This review has been coordinated with Daniel Gillen of your staff. As a result of this coordination we.are aware of WMGT's concern for the necessity of groundwater monitoring at the-Shiprock site. We are in agreement with WMGT that groundwater monitoring is necessary and would support an NRC position that.
groundwater monitoring be continued to demonstrate the effectiveness of the remedial action work in attaining long-term stabilization objectives.
Mysore S. Netaraja Engineering Branch Division of Waste Management 58' WM Record file WM Project
Attachment:
Dccket No.
7 As stated PDR V
LPOR_._____ _ __
Dist ibution:
f (Return to @,~523? I S
0FC : WMEG Gr
_ _ _ _ _ : _ _ _ _ _ _ deal __:___
@ l g g 86071s NAME :JKane/cj
- MNata a :
WM-Se NR.
7/lh86 DATE : 7/)t/86
n
- v..
REVIEW-COMMENTS O'N THE SURVEILLANCE AND MAINTENANCE PLAN SHIPROCK, NEW MEXICO. (DRAFT) JUNE,1986, UMTRA-DOE /AL 350204.0000)
. Prepared by Engineering Branch-
REFERENCES:
1.
" Guidance for UMTRA Project Surveillance and Maintenance", January 1986, UMTRA-D0E/AL-350124.0000, prepared by the U.S. Department of Energy, UMTRA Project Office,' Albuquerque Operations Office, Albuquerque, N.M.
2.
" Remedial Action Plan ~and Site Conceptual Design for Stabilization of the Inactive Mill Tailings Site at Shiprock, New Mexico," June 1986, WiTRA-D0E/AL-050504.0039, prepared by the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, N.M.
REVIEW COMMENTS 1.
Section 2.2, Erosion Measurements Markers, Page 4.
A sectional view that displays typical installation details of the erosion markers should be provided. DOE should also clarify whether both horizontal and vertical movements will be monitored to detect escarpment regression towards the embankment.
The long-term surveillance program should allow. flexibility for installation of additional markers, if field observations during the Phase I inspections reveal other locations where active erosion appears to be occurring.
2.
Section 2.3, Settlement Plates, page 4.
This section should briefly cover what total and differential settlements are anticipated based on design predictions and what increased visual observations should be performed-during the Phase I inspections, if these anticipated settlements are significantly exceeded and settlements are shown to be non-uniform.
In i
order to avoid the common problem of collecting settlement records without performing a meaningful evaluation, the staff suggests this section include a requirement that the settlement data be graphically plotted in the time-settlement format after each recording, where j
significant changes and trends could be readily viewed and assessed.
I L
-. _ _ - - _.. _... _ - _ ~ - _, - _ _
,. - ~. _.. _ _. _ _.. _ _ _ _ _ _ _.
- - 3.
Section 6.0, Custodial Maintenance and Contingency Plans, page 15. This
'section~should be revised to require timely notification of the NRC with the reporting to DOE of any extreme natural event at the Shiprock site,
. prior to DOE actually conducting the contingency inspection. This revision request is intended to give early notification to the NRC and the opportunity to determine whether the'NRC staff should be actively involved in the contingency inspection and the ensuing evaluation as to the extent that site integrity may be threatened.
.~
__ _ _ _ _ _ - _ _ _ _ - ~ _ _., _ _ _