HomeMy WebLinkAboutRECREATION ROOM SPECS - 06-00286 - 375 S 12th W - Addition�0
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375 S 12th W -Southwick Addition
Southwick Family Recre�--
3 75
South 12� West
Rexburg, Idaho
This i 4' x 60' portable classroom was used as
an LDS Seminaryuibding at Snake River and
Dietrich High Schools. It was manufactured as a
portable classroom, probably in March of 1976
according to its serial number. We propose
placing it in the dawn area behind the home we
are buying in Rexburg has illustrated at the lift).
The homy is in a RR I Zone on a lot that i s- more
than ars acre in size. We want to use it as a
family recreation room (we have 28
grandchildren so far).
Our closest neighbors, the Kerry Ward family, wrote the attached letter of support
endorsing the placement of the recreation room on our property, adjacent to his property.
Therecreation room has a large classroom area at one end, a
small office at the other end, with two restrooms (boy & girl)
and a furnace room in between, It is sturdily built, with T-
I I I siding on the outside and fire code sheetrock on the
inside, faced with woad panefing. The two steeldoors have
crash bars. The large vvindows have egress meas of 22" x 34"
W
n size.
The roof trusses are made of 2 x 4s, as shown in the
photo'. which was taken through a vent in the end of
the building. Trusses are 14' wide by 2' high,
giving the roof a 3.4 1 12 pitch. Trusses are spaced
16" apart. According to computations by Truswal
Systems, snow Toad design is 35 pounds per square
foot (see attached report).
The recreation room w%l1 be placed on a permanent
- foundation, following guidelines of the "Guide to
Foundation and Support Systems for Manufactured Homes" by the Manufactured Hume
Research Alliance and the 2(3n4 "Idaho Manufactured 14, ome installation Standard".
Specifications for frost -protecting the footings were taken from the "2003 Internatiana.l
Residential Code" (see attached foundation plan}. The insulated foundation will creme a
"heat -sink" under the houseto cope With a frost depth of 3+5" and to protect sewer and
water plumbing, which will be connected to the house's sewer and wader services.
Tie -down anchors will be used to attach the recreation groom to its foundation,, giving it
the ability to withstand 90 mph winds and earthquakes of Seismic Zone D.
June 7, 2006
WO
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Exterier grade
plywood 314 im thick
(All wood wltl+
oG frad& tv
Permanent Foundation for
Southwick Family Reereatio,n Room
375 South 12th West
are
trca���
Pressure treated in.
x 6 in, buttorn phate
G mil plastic sheeting
Extruded Polystyrene
Insulation 2 `rn. thick
Rexburg, Idaho 83440
I a C k sterid
1- -1M pad
1 -ifs, tooting
(5a ,b1
i F I v6 LdQ.HGN {GQ u re, iW% G�
no �" c�sc�.d)
Adapted from:
"Guide
to foundation and
support systems for manufactured homes" 2002 by
Manufactured
Housing
Research Alliance.
Pages 3.16 — 3.17. (see attached pages}
let t Location: t F� FW� � .. � . r jar -i. 'a/ti . tl .. ,"- .t'Wils
idexd.f
And: "Minimum insulation requirements for frost -protected footings in heated buildings"
20Q3 International Residential Code, pages 68 — 69. (Rexbtirg's Air Freezing Index is about
2000)
June 7, 2006
V
D
seC,Aaw-�.
Uentana Development
s0401 oxford Road
Longmont, CO. 80504
(303) 684-9157 Tel.
(303) 684-9146, Fax
Longmont, CO
This Ventanawood-enclosed foundation sits on an- x 16 -in. footer n d is designed r d beam. Th d o
per]meter all is made oftwo- -four studs spaced 16 � p rt ltid �� � �d ��� s x
covered cry th o outside with 3/4-1 n. pressure treated -plywood sheath1n g .end a waterproof membrane. The I -beams. of
the home are supported on Jack stands set on a6- x 16-1n." concrete pads (see Figure 3-.29).
Foundation grade
plywood /4 in. tl
mil nizist
sheeting e to
2 ft Past fOOt
1 in. diameter
grave l
- x -1-in. fog
L [n . Vc
Figure 3.29 '-aloes section e i` ii na' crawl space design � �1 v i� �� d 'in a��� � expansive �� ls*
i
-in. pad
Because this system is designed for expansive soil, the engineer specified the 0 voids It t the b ttorn of the grade
beam walls to concentrate the bearn bear's weight on s maR r portions of the expa nsy soils. Thi s is needed because the
[Ightweight construction characteristic of manufactured homes may otherwise be incapable f resisting heave forces
that can reach 1,5oo psf in expanding moist snit*
This foundation uses no forms the concrete is placedi redly into a trench dug with a backhoe. Because of the many
va riation 5, including arr [a r finished surfaces in the fin i -skied concrete, the wood exterior wa [Is are bu rit after the
home isin place (see Figure 3.30).
10
t
AF
The Ventana foundation could he expected
to meet FHA's d fi iti n of a permanent
foundation and allows a house to be driven
straight onto the foundation—a primary
blective
m's c reato r. Th e d e5
�
I `
of the footers and sterrwatis allowsfor
resistance to higher roof loads and local
wind Loads, As shown it is sultab[efor frost
exca-
vation and concrete placernent would allow
the system to accommodateore chat-
lenging roof and wind loads or deeper frost
lines (see Figure 3.31).
,_OMMAF�
Non -Proprietary Systems
--.:_ x �: Y
a 'x•��7'. ' +,r•.': r �'x}`•4 sC tF'�. ? �.�.k ,�' } }b• »b a•. .9� v,.,�. i"• w"'�;'��i _ € .�,
accessed through an opening in
the exterior wall of the foundation protected by a
large window
well. The
position
of the steel chassis mint
be
kept
in mind
when choosing the
tocation of the
crawl
space access,
{ Lnn
m�
h
,
i,r..�..y,. .;. '�:,:,:,, 4q..
M
x .
• R
A •
.mom k ,.., :� "s'ih,. n ,� L v'. Y't• _ ':°�
Y
',. x a' „, - ,ro,M1 #t v. v. is +}+• :_a-;,¢ i<.c�
c
IA
h
•
e
s
-+ d
t ,
•
_t
v
tis,,
,
Th foundation usesground-to-siding .
,
,:. ..:• �^ .. ark
r
121n. instead of the mNIMUM 6
to 8 in.., thereby providing suffice rpt space t ......_ .. k..
use operable vents inthe foundation walls. Figure 3.30 Excavaflon of the ground pi-ior to setl'�ig the foundat*ion.
The vents must be opened and closed at the
appropriate ti m es of the year. The use: of a plastic sheeting moisture Barri r on the ground could reduce the required
ventilation from i/015o of the floor area to i/15oo, cutting the number of vents needed. French dram i used in this
system to discharge any water that might acc late oder the home.
it i possible to create shear waits from the perimeter vin ll framing and sheathing. With a suitable fastening method,,
.such as steel railing plates that connect the framing d sheathing to the home's floor system, it is possible t
eliminatethe anchors into the
x ''
o
footers. {.:..:: . J&
The foundation walls are attached t
the manufactured horne hornfloor
assembly with nails. They can be
connected trim iolst oran Interior
joist. The primary purpose of this
attachment is to givethe its d d �d
lateral ri t .nc to cavingin orcol-
lapsing from backfitted earth.
This de5ign uses pressure -treated
pl od—treated for ground -contact
applications i g accordance with the
Uniform Building Code—to resist
deterioration h erg buried in the
earth* A cementatious panel board i
specified for use on the above -grade
portion of the perimeter walls to
enhance the appearance of the
home.
Figure 3.3 1 Firamed sternwall sitting an concrete footer ready for siding.
The crawl
space is
accessed through an opening in
the exterior wall of the foundation protected by a
large window
well. The
position
of the steel chassis mint
be
kept
in mind
when choosing the
tocation of the
crawl
space access,
In this d [ pm nt# the garages are all 4 -wall structures abuffing the homes, and built on thickened -edge slabs.
The grade differential between the home and the garage i's exactly 15-1/2 %n. This permits two steps ups into the
house and adequate headroom at the doorvvay separatingthe garage and home.
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