1992, 04-02 Permit: 92-1646 Radon System Specs(i111111111 (011011111.011
E. 8620 44th Spokane, Va . 99206
Phone 509 926-6217 Fax 509 928-8689
Legend for Radon mitigation system
— —perforated pipe beneath slab
solid 9'ABS stack vent pipe
RADON SYSTEM SPECIFICATIONS ATT
RADON MITIGATION SYSTEM
This radon mitigation system is
designed only for the specific Job -
site address designated. The system
is not guaranteed unless installed
by Cavalier Corporation
Sub Slab System
SO FT 1730
yes
CravIspace System
SO FT
Jurisdiction County c 0 RV: Com,.
Project Number
Warren
Environmental Protection
-
.11/1792 o
,Ii d e Dal.
Ageri'r3y.•;R�rEiQ
Builder
Address
Phone
EHESE P
7T
BY_�y
ANS HAVE lice.N REVIEWED
s 9T
Vigue & Sons
S 3806 Bovdish
Spokane 99206
927 7433
Jobsite
1 81 6 S Favn Drive
East of Mica Dishman Hvy
# �jz - 1646
-63-
a
Radon Vent.
garage
basement
34
irtttier &gineering
radon services
E. 8620 44th i Spokane, WA 99206
Phone (509) 1111-6217 FAX (509) 928-8689
RADON SYSTEM SPECIFICAT * S, SPOKANE COUNTY:
1
1. Perforated pipe shalt be installed within the native soil
or fill (sand, gravel or soil) at a minimum depth of 1"
below the intended s$b.
2. The pipe shall be a Minimum diameter of 4". meet AASNTO
M252, have perforatieas no wider than 1/16" and have a
minimum of 2.5 square inches of total perforations per
linear foot of pipe.
3. There shall be a minieum of 10 linear feet of perforated
pipe per hundred squale feet of slab floor space.
4. The pipe shall be laid in a continuous loop, connected at
both ends to the solid stack vent pipe.
5. Any slab area, which is larger than 10 square feet, which
is isolated from othwr slab areas by footings or other
barriers, shall have a perforated pipe installed to the
above specifications. (The pipe can be a single length
rather than a connected loop if the area is too small or
narrow to accomodate a connected loop.)
6. A stack vent of ABS, schedule 40, minimum size 4", shall
be connected to the sib -slab piping and proceed upwards
to an exit location a, the roof, and extending 14" above
the roof. The pipe stall be labeled "radon vent" every
16" or less for its tall length. The pipe's attic
location shall allow a minimum of 4' of head room. When-
ever possible this exit location shall be on the backside
of the roof.
7. Any elbows in the steak vent piping shall have a
centerline radius mim$um of 1.5 by pipe width.
8. An inline centrifugal fan, minimum 114 cfm @ 3/8" W.C.,
UL listed, manufactured specifically for radon mitigation,
maximum sone level 2.2, shall be installed in the exhaust
line, in the attic.
9. Couplings to connect the vent piping to the fan shall be
elastomeric PVC, Fermco series 1056 or equal.
10. The fan shall be hard -wired and the breaker labeled "radon
fan".
11. All penetrations and -joints in the concrete floor slab
below grade shall be sealed with caulk or grout.
12. A notice shall be permanently attached to the electrical
panel advising the outer or occupant about the radon
system and that he/stD shall test the home for radon
annually. The notice shall include Cavalier's name and
phone number.
13. All craftsmanship shall be of high quality.