ML18019A746
| ML18019A746 | |
| Person / Time | |
|---|---|
| Site: | 07000036 |
| Issue date: | 01/09/2018 |
| From: | Westinghouse |
| To: | Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML18019A532 | List:
|
| References | |
| HEM-18-2 | |
| Download: ML18019A746 (2) | |
Text
Revision: 2 Page P-1 of 2 HDP-PR-FSS-701, Final Status Survey Plan Development APPENDIX P-6 FSS FIELD LOG Quality Record Westinghouse Non-Proprietary Class 3 Survey Area:
05
==
Description:==
Barns/Cistern Area Survey Unit:
01
==
Description:==
Limestone Slope FSS Field Log:
Date/Time:
Observation or Comment:
Technician 08/29/2013 Collected the horizontal five (5) horizontal cores from the limestone slope.
M. Bresnahan Shift Notes Previous experience collecting vertical samples in this rocky area precluded Rad. Eng.
the use of hand augers due to the sample holes collapsing and the small rocks.
falling out of the auger upon retrieval.
The technique of driving metal pipes into the hillside was selected by Rad.
Engineering based on previous success collecting vertical samples in this area.
The cores were selected after the slope had been excavated to an approx.
1:1 slope. The five locations were selected based on visual observations of the slope, with the intent of determining the limestone remaining after excavation to the 1:1 slope. See the associated map for the approximate locations of these horizontal sample locations.
For each location, a 1-1/2-inch diameter pipe was driven approximately parallel to surface grade of the survey unit. Tools such as fence post drivers and 3-lb sledge hammers were used to drive the pipe into the hillside and collect material within its inner diameter. The pipes were driven to refusal and removed.
Each pipe was then cut into one foot sections using a band saw and visually inspected to determine the nature of material (soil vs. limestone rock). All material was collected into a single composite sample for each individual pipe.
(continued on next page)
FSS Field Log _1_ of _2_
Revision: 2 Page P-2 of 2 HDP-PR-FSS-701, Final Status Survey Plan Development APPENDIX P-6 FSS FIELD LOG Quality Record Westinghouse Non-Proprietary Class 3 Survey Area:
05
==
Description:==
Barns/Cistern Area Survey Unit:
01
==
Description:==
Limestone Slope FSS Field Log:
Date/Time:
Observation or Comment:
Technician 08/29/2013 (continuation)
M. Bresnahan Shift Notes Collection of the horizontal five (5) horizontal cores from the limestone slope.
Rad. Eng.
Assistance provided by HDP Operations sampling technicians & HP Support.
Details on the five (5) horizontal samples are provided below:
Sample ID Time Easting Northing Lateral Extent Note L050199TUB00 13:00 826549.38 864607.15 0 - 2.0 ft Refusal L0501100TUB00 13:15 826545.15 864610.43 0 - 5.0 ft Refusal L0501101TUB00 13:30 826557.55 864615.12 0 - 2.0 ft Refusal L0501102TUB00 13:45 826550.22 864620.44 0 - 3.5ft Refusal L0501103TUB00 14:00 826537.94 864583.47 0 - 1.5ft Refusal All samples taken were difficult to distinguish limestone rock (used for filtering operations at Hematite) from native rocky materials. In addition, all samples were taken to the point of refusal (i.e., the sample crew could not drive the pipe any further into the hillside). Refusal at each location was due to encountering a solid, impenetrable object - likely a large rock or a slab of slate that is native and common to the hillside area.
This qualitative determination was based on sound and feel of the refusal, indicating the presence of stone and precluding the ability to collect a soil sample beyond the lateral extent of limestone. Since refusal was encountered at all locations, it was not possible to collect soil samples beyond extent of END NOTES limestone.
FSS Field Log _2_ of _2_