HomeMy WebLinkAboutA000.7MIN. 22 SQ. IN. OF VENTILATION REQUIRED AT EAVE
MIN. 303 SQ. IN. OF VENTILATION REQUIRED AT EAVE
MIN. 22 SQ. IN. OF VENTILATION REQUIRED AT EAVE
MIN. 303 SQ. IN. OF VENTILATION REQUIRED AT EAVE
\A1;1'-0"\PTYP.
PROVIDE ADEQUATE OPENING FOR
MIN. 12 SQ. IN. OF
\A1;8'-0"
\A1;26'-0"
GUTTER AND D
POT VENTS
\A1;7'-0"
3.5:12
4:12
10:12
10:12
8:12
8:12
ELEVATION HR3X
ATTIC VENT SCHEDULE
VENTILATION REQUIRED AND SUPPLIED IS BASED ON POT VENT VALUES AND RIDGE VENT VALUES SHOWN IN TABLE ABOVE
** CONTRACTORS INSTALLING VENTILATION ARE RESPONSIBLE FOR VERIFYING THAT VENTS USED WILL SUPPY VENTILATION TO MEET CODE REQUIREMENTS
* SCHEDULE HAS BEEN CALCULATED ASSUMING EAVE VENTILATION AT 50-60% OF TOTAL AND RIDGE AT 40-50% OF TOTAL REQUIRED VENTILATION
ROOF AREA "A" SQ FTG 2421 AT / NEAR RIDGE AT / NEAR EAVE
VENT TYPE
SQ. FT.
REQUIRED
RANGE
SQ. FT.
SUPPLIED
PERCENT
OF TOTAL
SUPPLIED
POT LARGE
(SQ. IN. EACH)
POT SMALL
(SQ. IN. EACH)
RIDGE VENT
(SQ. IN. PER LF)
EAVE VENT
(SQ. IN. EACH)
CONT. VENT
(SQ. IN. PER LF)
61.00 40.00 18.00 28.00 10.00
HIGH - POT
VENTS ONLY
3.23 4.04 4.24 50.00 10 0
AT EAVE 4.84 4.04 4.24 50.00 0 61.00
TOTAL (MIN) 8.07 8.07 8.47 100.00
3
HIGH -
RIDGE VENT
3.23 4.04 4.13 49.75 0 0 33.00
AT EAVE 4.84 4.04 4.17 50.25 0 60.00
TOTAL (MIN) 8.07 8.07 8.29 100.00 ADDITIONAL POT VENTS MAY BE REQUIRED IF THERE IS INSUFFICIENT RIDGE AVAILABLE
ELEVATION HR3X
ROOF AREA "B" SQ FTG 617 AT / NEAR RIDGE AT / NEAR EAVE
VENT TYPE
SQ. FT.
REQUIRED
RANGE
SQ. FT.
SUPPLIED
PERCENT
OF TOTAL
SUPPLIED
POT LARGE
(SQ. IN. EACH)
POT SMALL
(SQ. IN. EACH)
RIDGE VENT
(SQ. IN. PER LF)
EAVE VENT
(SQ. IN. EACH)
CONT. VENT
(SQ. IN. PER LF)
61.00 40.00 18.00 28.00 10.00
HIGH - POT
VENTS ONLY
0.82 1.03 1.27 49.06 3 0
AT EAVE 1.23 1.03 1.32 50.94 0 19.00
TOTAL (MIN) 2.06 2.06 2.59 100.00
3
HIGH -
RIDGE VENT
0.82 1.03 1.00 47.37 0 0 8.00
AT EAVE 1.23 1.03 1.11 52.63 0 16.00
TOTAL (MIN) 2.06 2.06 2.11 100.00 ADDITIONAL POT VENTS MAY BE REQUIRED IF THERE IS INSUFFICIENT RIDGE AVAILABLE
10:12
10:12
10:12
10:12
3.5:12
8:12
8:12
8:12
8:12
8:12
4:12
10:12 10:12
10:12
10:12
3.5:12
10:12
8:12
"B"
617
ROOF AREA:
SQ. FT.
"A"
2421
ROOF AREA:
SQ. FT.
A4.01
ROOF PLAN
Midwest Zone Office
1900 Golf Road - Suite 300
Schaumburg, Illinois 60173
(c) C
PRODU
Rick
VERSI
DATE: xx/
PROJE
Single Family
SHEE
PLAN
SPEC
NPC C
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2056.300
Home for * Market Home *, 7231-03900
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SCALE: 1/4" = 1'-0" (HALF SCALE ON 11x17
04/13/21