HomeMy WebLinkAbout1991, 02-19 Radon LetterTHESE PLANS HAVE BEEN REVIEWED
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RADON VENT �*111
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Juniliir engineering
E. 8620 44th Spokane, Wa. 99206
Phone 509 926 6217 Fax 509 928 B689
Legend for Radon mitigation system
--_perforated pipe 'beneath stab
o solid 4 ABS stack vent pipe
RADON SYSTEM SPECIFICATIONS ATT.
472— 10.8
RK UN nITIGriTION SYSTEM
This radon mitigation system is
designed only For the specific Job
site address designated. T1+• system
is not guaranteed unless installed
by Cavalier Corporation
/orpor at i on
Job site address ji cz7l g
bui Icier
7neA
Sq Ft 1 50 0 +
"700.11.1.2A,
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Environmental Protect i onAelti ggtt"
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E. 8626 44th a
:. Phone 009) 99$-6217
RADON SYSTEM SPECIFICATMINS, SPC
I. Perforated pipe shall -be inst
or fill (sand, gravel or soil
below the intended slab.
2. The pipe shall be a minimum d
M252, have perforations no wi
minimum of 2.5 square inches
linear foot of pipe.
3. There shall be a minimum of 1
pipe per hundred square feet
4. The pipe shall be laid in a c
both ends to,the solid stack
5. Any slab area, which is large
is isolated from other slab a
barriers, shall have a perfor
above specifications. (The p
rather than %a connected loop
narrow to accomodate a connec
6. A stack vent of ABS, schedule
be connected to the sub -slab
to an exit location os the ro
the roof. The pipe shall be
16" or lessfor its full leng
location shall allow a minimu
ever possible this exit locat
of the roof'.
7. Any elbows An the staalk vent
centerline radius minimum of
8. An inline Centrifugal fan, mi
UL listed, manufactured speci
maximum sone level 2.8, shall
line, in the attic.
9. Couplings to connect the vent
elastomeric PVC, Fersoo serie
10. The fan shall be hard -wired a
fan".
11. All penetrations and joints i
below grade shall be sealed w
12. A notice shall be permanently
panel advising the owner or o
system and that he/slag shall
annually. The notice shall i
phone number.
13. All craftsmanship shall be of
r engineering
on services
Spokane, WA 99206
FAX (509) 928-8689
ANE COUNTY:
ailed within the native soil
) at a minimum depth of 1"
iameter of 4". meet AASHTO
der than 1/16" and have a
f total perforations per
linear feet of perforated
f slab floor space.
ntinuous loop. connected at
ent pipe.
than 10 square feet, which
eas by footings or other
ted pipe installed to the
pe can be a single length
f the area is too small or
ed loop.)
40, minimum size 4", shall
iping and proceed upwards
f. and extending 14" above
abeled "radon vent" every
h. The pipe's attic
of 4' of head. room. When -
on shall be on the backside
iping shall have a
.5 by pipe width.
imum 114 cfm @ 3/8" W.C.,
ically for radon mitigation,
be installed in the exhaust
piping to the fan shall be
3 1056 or equal.
the breaker labeled "radon
the concrete floor slab
th caulk or grout.
attached to the electrical
cupant about the radon
est the home for radon
elude Cavalier's name and
high quality.