HomeMy WebLinkAboutBLD2008-02197 LETTER FROM GROUND TECH SERVICES INC.TIF. .vim aa•aV .1w IVIVV1Vl1V
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GROUND
'I'VC 11NOLOGIC'AL
SF'RVICi {S
INC.
November 24.2008
Paul Dillard
2167 Hidden Valley Road
Taylorsvillc. NC 28681
RE: llixoll Comtniclion
Newton. North Carolina
(ifSI- 80811148
Pcar Mr. Dillard;
Per your request. Ground Technological Services Inc. (6181) has performed preliminary
construction quality control services for the residential lot of the referenced residence. These services
consisted of band auger boring with Dynamic Cone Penetrometer (IXT) testing performed on
November 19. 2008.
IXT testing utiIizes a conical point. mounted on a rod, which is stated two (2) inches into the soiI to
ensure that the cone is completely embedded. A sliding hammer on the rod is then dropped. driving
the instrument 1 -3/4 itches into the soil. The rod is driven a second and third increment, I
number ol'bluws required to drive the rod each increment is recorded and the readings are reported
as the DCP reading on the attached data sheet. The penetrometer reading is similar tv the Standard
Penetration Resistance (N) Value as defined by ASI'M 1) 1586 -84, When properly evaluated. the
penetrometer test results provide an index for estimating soil strength and relative density. Typically
a blow count of 8 to 9 is relative to 95% of Standard Proctor Moisture Density Relationship
ASTMD -698 or 3000 psf (pounds per squirt: f(m). Generally. higher blow counts are indicative of
higher densities.
(.)n November 19. 2008. GI'SI advanced a total of two (2) hand auger horings within the planned
t.nilding area of the lot. DCP tests were pc6or med at 1.0-ft increments within the borings to a depth
of 4.0 feet with avenue blow counts ranging from 12 blows per increment to 19 blows per
increment. Bused on the data obtaimd. the snits encountered at the locations tested meet or exceed
the design hearing requitement.
t7tir • r.O. &tx 2246 • Hanlerxvi6c. NC 29070 • Phalli 704-997-83 • rat 7W- 9S7-8175
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Dixon Construction
Newton. North Carolina
November 24, 2008
Page 2
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Establishing the limits of the planned fill area is not the responsibility of GTSI. Verification of the
compaction of the fill is limited to the actual test locations and depth noted. All test depths and
locations are approximate. The field density data obtained on the dates, times, and at the depths and
locations reported herein, may change prior to comstniction operations, therefore GTSI is not
responsible for acuow, by others, which may degmade the integrity of the till materials, such as;
construction activities, inadequate surface drainage and natural water conditions subsequent to the
completion and reporting of the fill section to the proposed design grade.
This report has been prepared in accordance with generally accepted soils and foundation
engineering practices. In the event that any change occurs in the design, nature, or location of the
proposed structures, 4TSI should review the applicability of conclusions and recommendations in
this letter.
GTSI appreciates the opportunity to provide these services w you. Ifyou should have any questions,
please call us at your convenience.
Sincerely,
Ground Technological Servlees, lac.
Debra L. Nigliaccio
Engineering Assistant
Attachments; Report of Dyr
Test Location
GTSI • P.O. Bo: 2246 - ttanwr.vmte, NC 29070 • Phone 704 - %7 -11378 - Fax 704-87 -8175
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STONE HENGE STREET
LEGEND:
8 APPROXIMATE LOCATION OF DYNAMIC CONE PENETROMETER TEST
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DIXON CONSTRUCTION
RESIDENTIAL LOT
DIXON CONSTRUCTION
DATE I BORING
DIXSON CONSTRUCTION
REPORT Of DYNAMIC COME PENETROMETER TEST
GTSI PROJECT NUMBER: 1208 1 1 48
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