0601_ROSCANS_1995

OPERATION/CONSTRUCTION MANAGERS
Municipal
Services
P.O. Box 97, Garner, North Carolina 27529 [phone]
Ms. Janis D. McHargue, P.E.
Western Area Engineer
Solid Waste Section
585 Waugtown Rd
Winston-Salem, NC 27101
05
CIVIL/SANITARY ENGINEERS
Engineering
Company, P.A.
\ P.O. Box 349, Boone, North Carolina 28607 [phone]
Re: Closure Documentation - Avery County Sanitary Landfill
Project No. G93136.
Dear Ms. McHargue:
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Enclosed you will find two (2) copies of a closure plan and permeability test results from
the existing landfill cover.
The permeability tests were conducted according to Corp of Engineers Laboratory Testing
Manual EM 1110-2-1906, 30 NOV 70, Appendix VII, Permeability Tests.
If you have any questions, please advise.
Very truly yours,
MUNICIPAL ENGINEERING SERVICES CO., PA
D. Wayne Sullivan
Project Manager
DWS:cd
Enclosures
cc: Mr. Randall Fletcher, County Manager

FROM LANDFILL COVER
LABORATORY TEST RESULTS
Avery County Landfill
Project No. 94179.06
October 31, 1994
Dry
Moisture
Density
Content
Permeability
Sample
Date
Description
(pcfl
(%)
cm/sec
1
9-27-94
Red silty clay
85.2
33.8
3.3x 10r8
2
9-27-94
Red silty clay
88.3
31.2
5.3x1(Y8
3
9-27-94
Red silty clay
88.1
29.8
1.9x10r'
4
9-27-94
Red silty clay
92.2
24.0
1.9x10-6

State of North Carolina 'T
Department of Environment,
Health and Natural Resources LT-
WAA
Division of Solid Waste Management rr
James B. Hunt, Jr„ Governor 1
Jonathan_ B, Howes, Secretary N_
William L. Meyer, Director
February 20, 1995
Mr. Randall Fletcher
County Manager
Avery County
P.O. Box 640
Newland, N.C. 28657
RE: Monitoring Well Replacement at the Avery County Closed Landfill
(Permit # 06-01)
Dear Mr. Fletcher,
The Groundwater Sampling Report for the October 18, 1994
sampling event at the Avery County landfill indicated that monitoring
well-1 (MW-1) was damaged and a sample could not be collected for
any-l-ysis . Because the monitoring system at - the side has only two
downgradient wells it is important that both wells are functional and
can be sampled. Each well has a significant role in helping determine
water quality at the site. This is particularly true since synthetic
volatile organic compounds have been detected during past sampling
episodes.
Therefore, it is necessary that MW-1 be replaced. The location
and design of the proposed monitoring well must be approved by the
Solid Waste Section prior to well installation. The replacement
monitoring well should be installed according to the following
conditions:
1. The well is to be constructed according to State Well
Construction Standards 15A NCAC 2C and the specifications in
the "North Carolina Water Quality Monitoring Guidance
Document for Solid Waste Facilities" as illustrated by the
"Typical Monitoring Well Schematic" that is enclosed.
2. The well is to be placed within the permitted boundary of
the facility in an area free of landfill waste or debris,
and in an area not subject to flooding. The location should
allow for monitoring of the same general area as the
replaced well.
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

3. The well should be drilled to a depth (and likewise, the
screen placed at a vertical location) that will insure that
f-utur_e_drought—conditions, which may lower the—watertable--
will not render the well ineffective. The top of the well
screen should be placed just above the level_of_theseasonal
high water table. It is important that the well is not
screened too shallow or too deep.
4. The screen should be a maximum of 15 feet in length. The
sand pack should extend no more than 2 feet above or 1 foot
below the screen. A bentonite seal of at least 1.0 foot
should installed above the screened interval.
5. The well must be thoroughly developed after construction in
order to reduce suspended solids, flush out the well and
re-establish equilibrium in the aquifer.
Within 15 days of completion of the well installation, a
complete and accurate Well Completion Record (DHS 3342) and Typical
Schematic should be submitted to this office. In addition, please
provide a summary of the hydrogeological data accumulated from the
boring operation. Include the boring log and other pertinent
subsurface information.
lilC CX15L.L11y uamageu Well Lnar is ro be replaced snoula be
permanently abandoned according to the procedures cited in 15A NCAC
2C with the exception that no disinfection is to be done.
Thank you for your cooperation. If you have any questions,
please call this office at [phone].
Sincerely,
X
Larry Rose
Hydrogeological Technician
Solid Waste Section
cc: Julian Foscue
.A1 Hetzell
Enclosure

Division of Health Services
WELL COMPLETION RECORD
DEPARTMENT OF HUMAN RESOURCES, SOLID AND HAZARDOUS WASTE
COMI'LETE ALL INFORMATION REQUESTED BELOW FOR EACH WELL INSTALLED, AND RETURN FORM TO THE P. O. 13OX 2091, RALEIGH, N.C. 27602 MANAGEMENT BRAN
NAME OF SITE:
ADDRESS:
DRILLING CONTRACTOR:
Casing Type: dia.
Casing Depth: from in.
to ft. -dia. n.
Screen Type: dia In
Screen Depth: from to ft. - dia.
in.
Static Water Level: feet from top of casing
Yield (gpm): Method of Testing:
DEPTH
REMARKS:
BATE:
DRILLING LOG
1 IIS.1342 (6itt5)
1 & I I . ,d,w, W.ou M, 6u nneni Branch
MATION DESCRIPTION
SIGNATURE:
PERMIT _N_ O.:
REGISTRATION NO.:
Grout Depth:
from
to ft. - dia.
Bentonite Seal:
from
to ft. - dia.
Sand/Gravel PK:
from
to fr.- dia
Total Well Depth:
from
to fr. - dia.
Date Measured
Casing is feet above land sur
LOCATION SKETCH
show distance _to-numbered-roadsi-or-other- reference poin

TYPICAL MONITORING WELL SCHEMATIC
Outer Casing with Cap & Lock SOLID WASTE SECTIO-f Uk N
Vent Holes
Vented Cap
2-inch Inside Diameter
Schedule 40 PVC Casing
with threaded joints
Sand Filter Pack should
extend no more than 2 ft.
above top of well screen
Sand Backfill (NC #2 S)
End Cap
•
Concrete Collar
rout
Bentonite Seal - at least
one foot thick (the bentonite
pellets should be allowed to
hydrate prior to placing grout
in the annular space)
Seasonal High
Water Table
Well Screen - not to exceed
fifteen feet in length