HomeMy WebLinkAboutB3-2187 FOUND.PDFROBERTSON, INC.
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2/11.F 04 WED 12-59 FAX 2 324 770 FROEHLING & ROBERTSO 3q�2
$iNCE
GEOTECHNICAL *ENVIRONMENTAL* MATERIAL
ENGINEERS* LABORATORIES'
"OVER OF SERMICDE"
TATE BOULEVARD, $1. t IOI/HICKORY,
1861 T t 2 -3 - 1 t 2 -32 - 77
ADDRESS:EMAIL WWW.FANDR.COM
DAILY T
lient�Mr- Phil Bunten
Carefina Construction Company
Box 1058
Hickory, NG 2 5 3-105
Project° Mountain View Family Practice
Mountain View, NC,
F&R Project Number E77-135T
Date-, 02111f04
Technician, Michael W. Sloan, P.E.
The F&R representative was requested on site to conduct an evaluation of only a small section of
excavated foundation stabgrade , Sloan met with Mr. Phil Bunton and Mr. "Pram Anderson on
site, M, Sloan was informed that 2,000 pounds per square foot bearing capacity was required for
the foundation design It was explained to MSloan that than County inspector had concerns with
only a section of the sabgrade located at the northeast right rear) corner of the new addition -
The Inspector requested an evaluation of the right rear corner area including a distance of about
10 feet In each wall direction from the cornea
The perimeter foundation trenches were previo"ly excavated and -had steal reinforcement In
place, with the exception of the above-rnenttoned area, where it had been removed, Also, No, 57'
stone had. Wen placed in the trench bottom throughout most of the perimeter, At the area
evaluated„ the backhoe was used to remove the No. 57 stone down to soil t rade. The stone
thickness varied from about 2 incites to 5 incises thick at the test locations_ bland probing the ,
evaluated section indicated residual, dense (fine silty sand) sail conditions, Subsequent Dynamic
Carle Penetrometer testing indicated the foundation subgrade should provide-2,000 psf bearing
capacity at the area evaluated.
fit. Sloan observed that when the stone was removed from the corner test location, some water
drained through the stone to the area It was recommended to leave the area open and purnp out
the collected water and replace the stone just prior to concrete placement. Mr, Anderson stated
that concrete placement was scheduled for this afternoon
� �0%starroa
Respectfully S
PROEHLINo-
Michael W.
Branch tang
BRANCHES, ASHEVIL.LE, NC . SALTMOOKE, R,9ra..:. rHAPLOTTE, NC . PEAKS VA
ROZ A.. o FAYETTEVILLE,N + FRErkFAICK URa, VA - GRWENVILL[ ',u