HomeMy WebLinkAboutPermit Field Test & Inspection Report 1995-6-27
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Branch Engineering
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June 27, 1995
310 North 5th Street
Springfield, Oregon 97477
(503) 746~0637
FAX (503) 746.0389
City of Springfield
Planning and Development
Building Safety Division
225 North Fifth
Springfield, OR 97477
Re: Building permit no, 950663
We have inspected the soils in the excavated area of the proposed residential
structure referenced by the above permit number, and find them suitable for the
intended use, subject to the following provisions:
1. The foundation areas are backfilled to a minimum depth of 18" below finished
grade.
2.
The building footings are to be provided with perforated PVC drain lines bedded
in a minimum 12" depth of 1-1/2" open graded drain rock, with piping draining
to the streetside curb. The building underfloor drain may be connected to this
pipe at an elevation at least 12" below the lowest point ofthe subfloor grade.
3. The rainwater piping will be installed parallel, but not connected to, the
foundation and subfloor area drains, Connection may be made at a location
immediately behind the proposed streetside sidewalk area.
Since a CMU foundation is planned, and Branch Engineering has prepared designs for
reinforced walls and footings where over 48" in height, the Code minimum reinforcing
schedule will be adequate to resist differential soil pressures generated by shrink-
swell.
The above provisions will ensure that subsurface moisture levels will remain consistent
throughout the year, and the piping will not conduct air currents which may tend to dry
the footing area soils during periods of warm dry weather.
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.3/04' (MIN) TCG PL'rWOCO OEO:ING
GU.IEP AND !oJAILED TO ..101515 WITH
CCl'JS" ADMESIVE AND IOd CCMMON NAILS
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24' DEEP Ol<AIN ROCK e>ACl(FILi,
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PVC PIPE CASTM D-2T.I9J
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NOTE:
MAXIMUM I-lAU. /-EIGHT 8'-8' Ae>ove TCP ~ FOO1'ING
CONCRETe ~OCK, 1800 P51 5rRE;NGTH !-lITH All CB..L.5 GQOuTED FU~L
t<E1~lr,IG S'!EEL: GQADE be Ilo4 I>J.E) 115 ............o1ED ME1'AL e.AR5
WA'l'EI<PROOFIt.!G 5YSTEM, 'WR, MEADCWS' MElROl 5aF ADHERltolG
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1\-IIS DESIGN MAY e>e; U5ED FOR aACKFlll /-EIGHT a' e. FT, MAXIMUM WH8<E
THeRE 15 IoJO SUROlAl2GE, AT 51DES ~ HOUse.
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WALL WiTH
SURCHr"RGE
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OF
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TOM PETERSON
CITY PERMIT II 950663
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