HomeMy WebLinkAboutPermit File BLD-2023-1206 3911 S AvenuePL
:
1
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PL
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PL: 100'
PL: 100'
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5' SIDE SETBACK
5' SIDE SETBACK
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AREA OF
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P33159
P96112
P33160
16 AC WATER
(E
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(E) WATER METER
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nearest fire
hydrant approx.
200' north:
#276, 93.00 psi
10
'
-
3
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25
'
-
0
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9'
-
0
"
44
'
-
9
"
15
'
-
1
1
3
/
4
"
35'-11 1/2"
39'-0"
(E) CONC.
DRIVEWAY
EXIST. GARAGE
EXIST.
RESIDENCE
(e) railroad tie
retaining wallCITY OF ANACORTES
P58867
(e) conc. retaining wall
(e) rock retaining wall
slope ~5%
slope ~5%
slope ~5%
(e) lawn & planted
(e) lawn & planted
(e) lawn & planted
(E) gravel
parking area
36'-0"
25
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-
0
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28'-2"
10'-0"
(e) p
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(+
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(+
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(+/-)
(+/-)
BMP C105
construction ACCESS
already exists at existing
CONCRETE parking
location
BMP C107
CONSTRUCTION
PARKING AREA
temporary soil
stockpile location.
cover with visqueen.
BMP C123
BMP C233
silt fence
DESIGNATED
CONCRETE WASH-OUT
BMP C154
16
'
-
0
"
49'-0"(+/-)
(e) fence
(e) conc.
retaiing wall
LINE OF BUILDING
FOOTPRINT
LINE OF EAVE
BMP C233
silt fence
paved (conc.) surface
gravel surface
AREA OF ADDITION
property line
building setback
line of bldg. footprint
line of roof
utility line
silt fence
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SITE & LANDSCAPE PLAN
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NORRIS ADDITION
3911 'S' AVENUE
ANACORTES, WASHINGTON
PARCEL ID# P33159
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at 256 s.f. this addition is less than or equal to
500 s.f. WHICH WILL REQUIRE 1.5 CREDITS
ENERGY CREDITS
OPTION DESCRIPTION CREDITS
5.2 energy star gas water heater
w/ min. uef = 0.80 1.0
1.3 ductless mini-split heat pump,
zonal control 1.5
heat hp fuel normalization credit 1.0
TOTAL ENERGY CREDITS 3.5
SITE ADDRESS:
3911 's' ave.
ANACORTES, WA 98221
PARCEL: P33159
ASSESSOR'S TAX#: 350230-0-185-0016
QTR: sw, SEC: 30, TWN: 35, RNG: 02
parcel size: 10,500 s.f.
PROPERTY OWNER:
john & audrey norris
3911 's' ave.
ANACORTES, WA 98221
PROPERTY INFO.
PROJECT INFO.
LOT COVERAGE
IMPERVIOUS
SURFACE
living space 1283 S.F.
garage 900 s.f.
EXISTING
addition living space 256 S.F.
NEW
residence footprint incl. cov'd patio 1353 S.F.
garage footprint 900 s.f.
total existing lot coverage 2253 s.f.
EXISTING
addition footprint 256 s.f.
NEW
EXISTING 2253 S.F. + NEW 256 S.F.2509 S.F.
percentage of 10,500 s.f. lot 23.9%
TOTAL LOT COVERAGE
house UNDER ROOF incl. eaves 1683 S.F.
garage under roof incl. eaves 1102 s.f.
concrete parking/DRIVEWAY 782 s.f.
concrete pathway/patios 127 s.f.
gravel parking area 633 s.f.
TOTAL EXIST. IMPERV. SURFACE 4327 S.F.
EXISTING
addition UNDER ROOF incl. eaves 187 S.F.
NEW
EXIST. 4327 S.F. + NEW 187 S.F.4514 S.F.
percentage of 10,500 s.f. lot 43.0%
TOTAL
CONSTRUCTION WILL COMPLY WITH:
BUILDING & STRUCTURAL 2018 IRC
MECHANICAL 2018 IRC
PLUMBING 2018 UPC
ENERGY & VENTILATION 2018 WSEC
BUILDING CODES
x CONTRACTOR TO INSTALL SILT FENCING ON DOWN
SLOPE SIDE OF ENTIRE EXTENTS OF EACH SITE
UNDER CONSTRUCTION. SILT FENCING TO REMAIN
UNTIL ALL CONSTRUCTION IS COMPLETED AND
LANDSCAPE IS IN PLACE.
x IN ADDITION TO SILT FENCING COVER ALL
stockpiled soil with visqueen.
EROSION CONTROL
NOTES
x ADdition WILL BE HEATED BY new mini-split heat
pump system that will be used to heat the
whole house.
x water for addition will be heated by new
on-demand gas water heater that will be
used to heat water for the whole house.
GENERAL NOTES
x well over 50% of the property will remain
landscaped with plants or lawn. the addition
will only be replacing a small amount of lawn.
x any landscape that is disturbed during
construction will be fully restored.
LANDSCAPE NOTES
existing fire area 1344 S.F.
fire area of addition 256 s.f.
fire area of (now) attached garage 900 s.f.
total fire area 2500 s.f.
FIRE AREA
SITE & LANDSCAPE
PLAN LEGEND
A1 SITE PLAN & COVER PAGE
A2 FOUNDATION PLAN
A3 FLOOR PLAN
A4 ROOF FRAMING PLAN
A5 BUILDING SECTIONS
A6 ELEVATIONS
A7 EXISTING FLOOR PLAN & ELEVATIONS
DRAWING INDEX
TOTAL living space: 1283 + 256 1539 S.F.
TOTAL
x EXISTING STORM DRAINAGE SYSTEM CONSISTS OF
SPLASH BLOCKS. GUTTERS ON ADDITION WILL TIE IN
TO EXISTING GUTTER/DOWNSPOUT & SPLASH BLOCK
SYSTEM. NO NEW DOWNSPOUTS AND/OR SPLASH
BLOCKS ARE PROPOSED.
DRAINAGE NOTES
9.5" tji joist
s
@
1
6
"
o
.
c
.
(e) 2 x 6 jois
t
s
@
1
6
"
o
.
c
.
10'-3"25'-0"44'-9"
25
'
-
0
"
LOCATION OF RELOCATED
DOOR. CUT existing STEM
WALL AS NEEDED.
DOOR TO BE RELOCATED.
FILL STEM WALL AT OLD
DOOR LOCATION
10
'
-
3
"
2'
-
1
0
"
11
'
-
1
1
"
13
'
-
6
3
/
4
"
11
'
-
5
1
/
4
"
EXISTING CRAWL SPACE
ACCESS LOCATION
suggested CRAWL
SPACE ACCESS location 16" X 8" FOUNDATION VENT
TYP. (3) PL.
cover w/ class 1 vapor
retarder
5'-1 1/2"5'-1 1/2"
4 X 8 4 X 8
a2
2
a2
1
a2
1
4
X
4
T
Y
P
.
(3)
P
L
.
1" AIR SPACE TYP.
b
a5
a a5
a a5
b
a5
(direction a
s
s
u
m
e
d
)
middle supports are not depicted
13
'
-
6
3
/
4
"
11
'
-
5
1
/
2
"
middle supports are
not depicted
6" stem wall on 16" x 8"
cont. footing (typ.)anchor bolts:
- 5/8" x 10" @ 4'-0" o.c.
- min. (2) per sill
- within 12" from sill end
tie new stem wall to existing
stem wall with (2) 24" long #4
bars epoxied min. 4" into
existing stem wall (TYP.)
tie new footings to existing
footings with (2) 24" long #4
bars epoxied min. 4" into
existing footings (TYP.)note: joists may be set on
top of stem wall depending
on site conditions
NEW FOUNDATION STEM WALL
NEW FOUNDATION FOOTING
EXISTING FND. STEM WALL
EXISTING FOOTING
new GIRDER/BEAM
EXIST. GIRDER/BEAM
NEW floor joist
EXIST. FLOOR JOIST
OUTLINE OF WALLS OF MAIN FLOOR
NEW POST
JOIST HANGER
SIDING PER ELEVATIONS
7/16" CDX OR OSB SHEATHING
2 X 8 P.T. SILL PLATE RIPPED TO
FIT 6" STEM WALL W/ 5/8" x 10"
ANCHOR BOLTS @ 4'-0" o.c. TYP.
GRADE
CLASS 1 VAPOR RETARDER
continue over footing
6" stem wall typ.
(2) #4 REBAR CONT. IN FOOTINGS
#4 vert. rebar - SEE REBAR
TABLE FOR SPACING
JOISTS PER PLAN
3/4" t&g PLYWOOD OR OSB SUBFLOOR
R-30 INSULATION
#4 horiz. @ top & bottom & @ SEE
REBAR TABLE FOR SPACING
1/2" GWB
2 x 6 studs @ 16" o.c.
R-21 INSULATION
8"
18
'
M
I
N
.
6"
M
I
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.
UNDISTURBED EARTH 1'-4"
4" DIA. PERFORATED DRAIN TILE
DRAINAGE GRADE GRAVEL
& FILTER FABRIC
WATERPROOFING MEMBRANE
CONTINUE OVER FOOTING
OPTIONAL EMBEDDED 2X P.T.
NAILER TO ADD ADDITIONAL
SIDING TO COVER UP CONCRETE
STEM WALL
TOP FLANGE JOIST HANGER
(2) #4 REBAR ea. way
CLASS 1 VAPOR RETARDER
CONTINUE OVER FOOTING
UNDISTURBED EARTH
8"
SIMPSON pb or cb or abuz
or similar post bases
1'-4"
PROVIDE BLOCKING AT
BEARING & MID-SPAN
4 x 8 DF GIRDER4 x 4 POST u.n.o. use
pressure treated posts.
USE 4 X 6 POST @ BEAM
SPLICES.BC44 OR BC46
JOISTS PER PLAN
H
HEIGHT 'H'
IN FEET
VERTICAL
REINFORCING
HORIZONTAL
REINFORCING
0' - 2'
2' - 4'
4' - 6'**
#4 @ 4' O.C.
#4 @ 24" O.C.
#4 @ 12" O.C.
(1) #4 WITHIN
6" OF TOP OF
WALL
#4 @ 24" O.C.
#4 @ 12" O.C.
**FOOTING FOR 4'-6' TALL FOUNDATION
WALL TO BE 24" WIDE X 8" THICK
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TYP. FND. WALL DETAIL
5%#.' Ä1
FOUNDATION LEGEND
x THE FOLLOWING NOTES REFER TO ANY NEW
FOUNDATION & FLOOR FRAMING ELEMENTS.
x WRITTEN DIMENSIONS TAKE PRECEDENCE OVER
SCALED DIMENSIONS. VERIFY ALL DIMENSIONS AND
CONDITIONS IN THE FIELD.
x ANY ENGINEERING SPECIFICATIONS, NOTES AND
DRAWINGS ACCOMPANIED WITH PLANS TO
SUPERCEDE ALL INFORMATION ON ARCHITECTURAL
DRAWINGS. FOR ANY DISCREPANCIES BETWEEN
ENGINEERING AND ARCHITECTURAL DRAWINGS REFER
TO ENGINEERING.
x FOOTINGS ARE TO BEAR ON UNDISTURBED LEVEL
SOIL DEVOID OF ANY ORGANIC MATERIAL AND
STEPPED AS REQUIRED TO MAINTAIN 18" DEPTH
BELOW GRADE.
x COVER CRAWL SPACE GRADE WITH HIGH DENSITY
POLYETHYLENE CLASS 1 VAPOR RETARDER. LAP
EDGES 12" MIN. AND EXTEND 12" MIN. UP FOUNDATION
WALL.
x FILL UNDER SLABS ON GRADE TO BE MIN. 4" DEPTH
GRANULAR MATERIAL COMPACTED TO 95%.
x CONCRETE SLABS TO HAVE CONTROL JOINTS AT 25'
MAX. INTERVALS EACH WAY.
x CONCRETE SIDEWALKS TO HAVE 3/4" TOOLED JOINTS
AT 5' O.C. EACH WAY.
x WIRE MESH TO BE USED IN CONCRETE SLABS,
POSITIONED IN MIDDLE THIRD OF SLAB.
x USE HIGH DENSITY POLYETHYLENE HIGH QUALITY
VAPOR RETARDER UNDER CONCRETE SLABS IN
GARAGE AND BASEMENT.
x A WATERPROOF MEMBRANE IS TO BE USED ON
FOUNDATION WALLS BELOW GRADE.
x DRAIN TILE WITH drain HOLES to be installed next
to perimeter footings.
x A LAYER OF ROUND, WASHED, DRAINAGE-GRADE
GRAVEL IS TO BE USED OVER DRAIN TILE, NEXT TO
FOOTINGS. 30-LB. FELT PAPER IS TO BE USED OVER
THE GRAVEL.
x ALL BOTTOM PLATES AND ANY LUMBER IN CONTACT
WITH CONCRETE TO BE PRESSURE TREATED.
x BEAM POCKETS IN CONCRETE TO HAVE 1/2"
AIRSPACE AT SIDES & ENDS WITH MIN. BEARING OF 3".
x FOLLOW ALL JOIST FRAMING DETAILS PER
MANUFACTURER.
x PROVIDE BLOCKING ABOVE ALL BEARING WALLS
AND BEAMS.
x ALL CONNECTORS AND FASTENERS IN CONTACT WITH
PRESSURE TREATED WOOD SHALL BE HOT DIPPED
GALVANIZED OR EQUIVALENT PROTECTION.
x ACCESS SHALL BE PROVIDED TO ALL UNDER-FLOOR
SPACES. ACCESS OPENING THROUGH PERIMETER
WALL SHALL BE NOT LESS THAN 18" x 24". IF ANY
PORTION OF THROUGH-WALL ACCESS IS BELOW
GRADE AN AREAWAY NOT LESS THAN 18" x 24"
SHALL BE PROVIDED (IRC R408.4).
x CONTRACTOR TO COORDINATE FOUNDATION & SLAB
BLOCK-OUTS W/ MECH. & ELECT. FOR SIZE &
LOCATIONS.
x ALL CONCENTRATED LOADS FROM ROOF TRUSSES
MUST BE TRANSFERRED TO THE FOUNDATION WITH A
BUILT-UP POST AND FOOTINGS AS REQUIRED. VERIFY
LOCATIONS WITH TRUSS ENGINEER AND/OR
STRUCTURAL ENGINEER.
PROVIDE VENTILATION IN CRAWL SPACE WITH
FOUNDATION VENTS. PROVIDE 1 S.F. VENTING PER
150 S.F. OF AREA.
CRAWL SPACE OF ADDITION = 256 S.F.
256/150 = 1.71 S.F. OF VENT AREA REQUIRED
1.71/0.56 NET FREE AREA VENT
= (3) VENTS REQUIRED MIN. (16" x 8" DIM.)
VENTS TO BE COVERED WITH 1/4" CORROSION
RESISTANT WIRE MESH.
LOCATE ONE VENT WITHIN 3 FT. OF EACH CORNER
OF BUILDING.
FOUNDATION NOTES
CRAWL SPACE
VENTILATION
x WRITTEN DIMENSIONS TAKE PRECEDENCE OVER
SCALED DIMENSIONS. VERIFY ALL DIMENSIONS AND
CONDITIONS IN THE FIELD.
x ANY ENGINEERING SPECIFICATIONS, NOTES AND
DRAWINGS ACCOMPANIED WITH PLANS TO
SUPERCEDE ALL INFORMATION ON ARCHITECTURAL
DRAWINGS. FOR ANY DISCREPANCIES BETWEEN
ENGINEERING AND ARCHITECTURAL DRAWINGS
REFER TO ENGINEERING.
x REFER TO FLOOR FRAMING PLAN FROM FLOOR
JOIST MANUFACTURER/SUPPLIER. FLOOR JOIST
MANUFACTURER/SUPPLIER SHALL PROVIDE AND
SUBMIT ENGINEERED DESIGN TO THE BUILDING
DEPARTMENT FOR APPROVAL PRIOR TO
FABRICATION AND INSTALLATION.
x PROVIDE TEMPORARY BRACING AS REQUIRED
UNTIL ALL PERMANENT CONNECTIONS AND
STIFFENERS HAVE BEEN INSTALLED.
x FOR FLOOR SHEATHING USE 3/4" CDX OR OSB
STURDI-FLOOR T&G, GLUE AND NAIL W/ RING SHANK
8d's @ 6" EDGES & 12" IN FIELD U.N.O. FACE GRAIN
PERPENDICULAR TO SUPPORTS.
x PROVIDE BLOCKING BETWEEN I-JOISTS AT INTERIOR
BEARING LOCATIONS WHERE THERE IS A LOAD
BEARING WALL ABOVE.
x PROVIDE TIMBERSTRAND RIMS WHERE FLOOR
JOISTS BEAR AT EXTERIOR WALLS.
x ALL EXTERIOR WALLS ASSUMED TO BE BEARING.
x ALL BEAMS AND HEADERS TO BE 4 x 8 D.F. #2
U.N.O.
x JOIST HANGERS & CONNECTIONS TO BE 'SIMPSON'
U.N.O.
x ALL CONNECTORS AND FASTENERS IN CONTACT WITH
PRESSURE TREATED WOOD SHALL BE HOT DIPPED
GALVANIZED OR EQUIVALENT PROTECTION.
FLOOR FRAMING
NOTES
NOTE: ROOF TRUSSES AND FLOOR JOISTS SHOWN IN
DRAWING ARE FOR SCHEMATIC PURPOSES ONLY.
FOR TRUSS PLACEMENT, DESIGN AND ENGINEERING
REFER TO TRUSS DESIGN & SPECIFICATIONS FROM
TRUSS SUPPLY COMPANY. FOR FLOOR JOIST
LAYOUT REFER TO JOIST DESIGN & SPECIFICATIONS
FROM FLOOR JOIST SUPPLIER.
POST/BEAM DETAIL
5%#.' Ä2REBAR TABLE
HW
26681668
26
6
8
2868
40
6
8
40
6
8
28
6
8
44'-9"10'-3"25'-0"
2'-1"
2'-
1
0
"
so
f
f
i
t
5'
-
6
"
1'
-
6
"
6'
-
1
"
4'
-
0
"
5'
-
0
"
6'
-
1
"
3'
-
6
"
9'
-
1
1
"
4'
-
8
1
/
2
"
4'
-
1
1
"
10'-3"2'-4 1/2"10'-1 1/2"
2030 sl
linen
cl
o
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t
cl
o
s
e
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4636 sl 4636 sl
5'-1 1/2"5'-1 1/2"5'-2 1/2"4'-11"
4'-6"5'-9"
EX.FAN
SD
SD
SD/co
3'-0"
3'
-
6
"
2 X 6 STUDS @ 16" O.C.
W/ R-21 INSULATION typ.
EGRESSEGRESS
S.G.
SD
b
a5
a a5
a a5
b
a5
SWP SWP
SWP SWP
2868
2'-4 1/2"
EXIST. WALL
new 2 x 6 wall
NEW 2 x 4 WALL
OLD/REMOVED WALL
SMOKE DETECTOR
SMOKE/CARBON
MONOXIDE DETECTOR
EXHAUST FAN
SAFETY GLASS
SD/co
SD
EX.
FAN
S.G.
SHEAR WALL
SHEAR WALL LEGEND
SWP PRESCRIPTIVE SHEAR WALL. 7/16"
OSB OR 15/32" PLY ON ONE SIDE OF
WALL, UNBLOCKED, 8D NAILS @ 6"
O.C. ALONG EDGES, 12" O.C. IN FIELD.
HOLD DOWNS NOT REQUIRED.
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FLOOR PLAN LEGEND
FLOOR PLAN NOTES
x THE FOLLOWING NOTES REFER TO ANY NEW FLOOR
PLAN ELEMENTS.
x WRITTEN DIMENSIONS TAKE PRECEDENCE OVER
SCALED DIMENSIONS. VERIFY ALL DIMENSIONS AND
CONDITIONS IN THE FIELD.
x CONFIRM ALL DOOR, WINDOW, CLOSET, AND ANY
OTHER ROUGH OPENING SIZES WITH OWNER/
CONTRACTOR PRIOR TO WALL CONSTRUCTION.
x ALL WOOD IN CONTACT WITH CONCRETE MUST BE
PRESSURE TREATED MATERIAL. USE CORROSION
RESISTANT FASTENERS WHEN IN CONTACT WITH
PRESSURE TREATED LUMBER.
x ALL EXTERIOR WALLS TO BE FRAMED WITH 2 x 6
STUDS AT 16" O.C. AND SHEATHED WITH 7/16" OSB
PLYWOOD OR BETTER WITH 15# BUILDING PAPER.
x ALL INTERIOR WALLS TO BE FRAMED WITH 2 x 4
STUDS AT 16" O.C. AND SHEATHED WITH 1/2" GYPSUM
WALLBOARD UNLESS NOTED OTHERWISE.
x ALL GLASS TO HAVE LOW E GLAZING. GLAZING IN
HAZARDOUS LOCATIONS TO BE TEMPERED PER IRC
SECTION R308. SEE R308.4 FOR DEFINITION OF
HAZARDOUS AREAS.
x PROVIDE SMOKE DETECTORS ON OR NEAR THE
CEILING OF EACH FLOOR, IN ALL BEDROOMS, AND
JUST OUTSIDE EACH BEDROOM. SMOKE DETECTORS
TO BE WIRED TO THE ELECTRICAL SYSTEM WITH
BATTERY BACKUP (IRC R317.1 & R317.2).
x BEDROOMS TO HAVE AT LEAST ONE WINDOW MEETING
THE FOLLOWING CONDITIONS: WINDOW SILLS TO BE
WITHIN 44" OF FINISHED FLOOR WITH A NET CLEAR
OPENING OF 5.7 SQ. FT. MIN. THE OPENING TO HAVE
MIN. CLEAR OPENING HEIGHT OF 24" AND WIDTH OF
20" (IRC SECTION R310).
x ALL SHOWER AREAS TO BE FINISHED WITH A SMOOTH,
HARD & NON-ABSORBENT MATERIAL TO MIN. 72"
ABOVE DRAIN INLET. THIS MATERIAL TO BE
INSTALLED OVER WATER RESISTANT PLASTER
BOARD.
x TOILETS TO BE LOCATED IN AREA WITH MIN. 30"
WIDTH OF TOTAL FINISHED CLEARANCE, AND HAVE
CLEARANCE OF MIN. 21" IN FRONT OF TOILET. TOILETS
TO BE LIMITED TO 1.6 GALLONS PER FLUSH.
x PROVIDE ATTIC ACCESS WITH REMOVABLE PANEL
WITH MIN. 22" x 30" OPENING AND 30"
UNOBSTRUCTED HEAD ROOM. FRAME WITH 2 x 12
MEMBERS.
x PROVIDE EXHAUST FAN IN KITCHEN AT MIN. 100 CFM
AND BATHROOMS AT MIN. 50 CFM. ALL FANS AND
DRYER EXHAUST TO BE VENTED TO OUTSIDE OF
RESIDENCE.
x PROVIDE 1-HR. FIRE-RESISTIVE CONST. 5/8" TYPE 'X'
GWB FOR FIRE SEPARATION ON ACCESSORY
DWELLING UNIT WALL SHARED WITH EXISTING HOUSE.
x PROVIDE FIRESTOPS AT ALL APPLICABLE
LOCATIONS, INCLUDING HOLES AND ANY OPEN AREA
WALLS
INSULATION VALUES
ABOVE GRADE
R-21
BELOW GRADE
R-21
CEILING
VAULTED
R-38
FLAT
R-49
FLOOR
CRAWL SPACE*
R-30
SLAB ON GRADE
R-10
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EXIST. 2 X 4
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area of addition
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6:12 PITCH TO MATCH
EXISTING PITCH.
CONTRACTOR TO VERIFY.
new truss
exist. truss OR RAFTER
NEW BEAM/HEADER
exist. beam/header
OUTLINE OF WALLS BENEATH
OUTLINE OF NEW ROOF
hidden line of new roof
outline of existing roof
HIDDEN LINE OF exist. roof or
overframing
hurricane tie @ ea. truss
r-49 insulation
1/2" gwb typ.
6
12
7/16" cdx or osb SHEATHING
composite roofing shingles
pre-manuf. common trusses @ 24" o.c.
CONT. METAL GUTTER
MATCH EXIST. FASCIA
insulation baffle W/
1" min. air space
solid blocking between
trusses
2 X 4 RETURN
SOFFIT BOARD
CONT. SOFFIT VENT
MATCH EXISTING PITCH.
CONTRACTOR TO VERIFY
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ROOF FRAMING LEGEND
all headers to be 4 x 8 df2 u.n.o.
ROOF NOTES
x THE FOLLOWING NOTES REFER TO ANY NEW ROOF
ELEMENTS.
x TRUSSES TO BE SPACED AT 24" O.C. UNLESS NOTED
OTHERWISE.
x ROOF PITCH IS TO BE 6:12 to match existing.
contractor to verify.
x ROOFING MATERIAL IS COMPOSITE shingles to
match existing.
x OVERHANGS ARE APPROX. 22" WITH CONTINUOUS
METAL GUTTER THROUGHOUT. overhang to match
existing - contractor to verify.
x FASCIA SHALL BE 5/4 x 6 TO MATCH EXISTING -
CONTRACTOR TO VERIFY.
x ALL BEAMS & HEADERS TO BE 4 x 8 D.F. #2 UNO.
x PROVIDE SOLID BLOCKING OVER SUPPORTS.
TRUSS NOTES
x TRUSS MANUFACTURER SHALL PROVIDE DESIGN
DETAILS AND ENGINEERING FOR ALL TRUSSES. COPY
TO BE AVAILABLE ON SITE FOR FRAMING
INSPECTIONS.
x ALL TRUSSES SHALL CARRY THE MANUFACTURER'S
STAMP.
x ALL TRUSSES SHALL BE STORED, INSTALLED &
BRACED PER MANUFACTURER'S SPECIFICATIONS.
x TRUSSES SHALL NOT BE ALTERED IN THE FIELD
WITHOUT THE APPROVAL OF THE BUILDING OFFICIAL
AND/OR APPROVED ENGINEERING CALCULATIONS
PROVIDED BY THE TRUSS MANUFACTURER.
x ROOF TRUSSES TO BE SHEATHED WITH 7/16" cdx or
osb SHEATHING WITH 15# FELT or better. USE
PLYWOOD SHEATHING ON ALL SOFFITED AREAS.
x PROVIDE ROOF CROSS VENTILATION FOR EACH
SEPARATE SPACE where applicable..
ATTIC VENTILATION
ATTIC VENTILATION REQUIRED. REFER TO IRC R806.1
AND R806.2.
SQUARE FOOTAGE OF ATTIC SPACE FOR ADDITION = 256
S.F.
256/300 = 0.85 S.F. NET VENT AREA REQUIRED.
PROVIDE MIN. 1/150 OF ATTIC AREA, OR 1/300 IF HALF IS
AT EAVE AND REMAINDER AT MIN. 3' ABOVE PLATE
LINE. OPENINGS TO BE COVERED WITH 1/8" CORROSION
RESISTANT METAL MESH OR EQUAL. EAVE OR CORNICE
VENT SHALL NOT BE BLOCKED. MAINTAIN MIN. 1" AIR
SPACE BETWEEN INSULATION AND ROOF SHEATHING AT
THE LOCATION OF THE VENT.
for open eave soffit use bird block truss
blocking, with (3) 1 1/2" dia. holes and mesh screen
covering the holes, between each truss.
for closed eave soffit use continuous soffit
venting.
NOTE: ROOF TRUSSES AND FLOOR JOISTS SHOWN IN
DRAWING ARE FOR SCHEMATIC PURPOSES ONLY.
FOR TRUSS PLACEMENT, DESIGN AND ENGINEERING
REFER TO TRUSS DESIGN & SPECIFICATIONS FROM
TRUSS SUPPLY COMPANY. FOR FLOOR JOIST
LAYOUT REFER TO JOIST DESIGN & SPECIFICATIONS
FROM FLOOR JOIST SUPPLIER.
TOP OF PLATE (match exist.)
TOP OF floor (match exist.)
high point of addition roof
15
'
-
8
3
/
4
"
average grade @ addition
area of addition
8'
-
0
"
4.5
126
12
new crawl space
existing 2 x 4 rafters
pre-manuf. roof trusses @ 24" o.c.
existing pre-manuf. roof
trusses @ 24" o.c.
2 X 6 overframing @ 24" O.C.
existing insulation
existing insulation
r-49 insulation
existing insulation
r-30 insulation
ADD 1/2" GWB AT GARAGE WALL TO
HOUSE IF NOT ALREADY PRESENT
2 X 6 overframing @ 24" O.C.
existing crawl space
(INTERIOR SUPPORTS NOT DEPICTED)
ADD R-15 INSULATION AT GARAGE
WALL TO HOUSE IF NOT ALREADY
PRESENT
new crawl space
pre-manuf. roof trusses @ 24" o.c.
r-30 insulation
6
12
R-21 INSULATION TYP.
R-49 INSULATION
TOP OF PLATE (match exist.)
TOP OF floor (match exist.)
8'
-
0
"
note: joists may be set on
top of stem wall depending
on site conditions
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TOP OF floor (match exist.)
high point of addition roof
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average grade @ addition
area of addition
8'
-
0
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area of OVERFRAMING
area of OVERFRAMING
area of NEW TRUSSES
COMPOSITE SHINGLES TO
MATCH EXISTING
VERTICAL SIDING TO MATCH EXISTING
4.5
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TOP OF PLATE (match exist.)
TOP OF FLOOR (match exist.)
8'-
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hip roof of addition
beyond garage
TOP OF PLATE (match exist.)
TOP OF FLOOR (match exist.)
area of addition
8'-
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"
VERTICAL SIDING TO MATCH EXISTING
area of OVERFRAMING
area of OVERFRAMING
area of NEW TRUSSES
COMPOSITE SHINGLES TO
MATCH EXISTING
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EXISTING SOUTH ELEVATION @ HOUSE
5%#.' Ä
EXISTING SOUTH ELEVATION @ GARAGE
5%#.' Ä
EXISTING EAST ELEVATION
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EXISTING NORTH ELEVATION
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