PORTFOLIO

2' OVERHANG U.N.O
6" OVERHANG U.N.O
RIDGE
1' OVERHANG U.N.O.
F.A.U. UNIT
F.A.U.
PLATFORM
1' OVERHANG U.N.O.
RIDGE
6"
1' OVERHANG U.N.O
2' OVERHANG U.N.O
GENERAL ROOF NOTES:
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1. ROOF UNDERLAYMENT: PROVIDE ONE LAYER OF No. 30 ASPHALT FELT . UNDERLAYMENT SHALL BE APPLIED SHINGLE
FASHION, PARALLEL TO AND STARTING FROM THE EAVE AND LAPPED 2 INCHES FASTENED SUFFICIENTLY TO HOLD IN
PLACE. DISTORTIONS IN THE UNDERLAYMENT SHALL NOT INTERFERE WITH THE ABILITY OF THE SHINGLES TO SEAL .
END LAPS SHALL BE OFFSET BY 6 FEET. CRC R905.2.7
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2. ATTIC VENTILATION : (NO EAVE VENTING ALLOWED PERCBC CHAPTER 7A) DORMER VENTS AND SIDE VENTS (WHERE
OCCUR) SHALL PROVIDE A TOTAL VENTILATION AREA OF AT LEAST 1/150 OF THE ATTIC AREA INTO WHICH THEY OPEN .
(CRC R806) THE VENT AREA MAY BE 1/300 PROVIDED THAT EITHER;
- A VAPOR BARRIER IS INSTALLED ON THE WARM SIDE OF THE ATTIC INSULATION . (CES SECTION 110.8(j)) OR
- AT LEAST 50% OF THE REQUIRED OPENING AREA IS WITH VENTS THAT ARE AT LEAST 3 FEET ABOVE THE LOW
ROOF VENTS AND AT LEAST 50% OF THE REQUIRED VENT AREA IS PROVIDED WITH LOW VENTS (IE 50% HIGH AND
50% AT EVE ) (CRC 904.1)
- ATTIC HVAC VENTING (IF USED) 1 SQ. INCH OF VENT AREA SHALL BE PROVIDED FOR EACH 1000 BTU OF GAS FIRED
HEATER CAPACITY . THESE VENTS SHALL BE LOCATED BOTH HIGH AND LOW IN THE ATTIC SPACE (WITHIN 12" OF THE
LOW POINT AND 12" OF HIGH POINT)
- BAFFLES REQURIED AT ATTIC VENTS BETWEEN RAFTERS OR TRUSS 'S FOR AIRFLOW OVER CEILING INSULATION.
MAINTAIN 1" MIN CLEARANCE UNDER ROOF SHEATHING TO TOP OF BAFFLE
- OPENINGS SHALL HAVE CORROSION RESISTANT WIRE MESH OR OTHER APPROVED MATERIAL WITH 1/8 INCH MINIMUM
AND 1/4 INCH MAXIMUM OPENING.
3. ATTIC ACCESS: PROVIDE ACCESS TO ALL SEPARATE ATTIC SPACES WITH MINIMUM CLEAR HEADROOM HEIGHTS OF 30".
OPENINGS SHALL BE A MIN . OF 32"X32" WITH THE EXCEPTION OF ATTIC ACCESS SCUTTLE TO MECHANICAL EQUIPMENT
LOCATED IN THE ATTIC. THIS SCUTTLE ACCESS SHALL BE SIZED TO ALLOW TO LARGEST PIECE OF THE FURNACE UNIT
TO PASS THROUGH (CMC 904.1) AND NOT BE OVER 20'-0" FROM THE EQUIPMENT. (CMC 904.1-c) THE ATTIC ACCESS
SHALL BE WEATHERSTRIPPED
4. CONTRACTOR TO VERIFY LOCATION AND SIZE OF ALL ROOF OPENINGS AND EQUIPMENT PLATFORMS WITH A .C. CONTR.
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5. ROOFING CONTRACTOR SHALL PROVIDE A CERTIFICATE STATING THAT THE ROOFING HAS BEEN APPLIED PER
MANUFACTURERS RECOMMENDATIONS.
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6. ALL ROOF FLASHING TO BE 26 GAUGE GALVANIZED IRON , COPPER OR ALUMINUM AND PAINTED TO MATCH ROOFING
COLOR. UNO
7. PROVIDE NEW ALUMINUM SEAMLESS GUTTER AND DOWNSPOUTS AS NECESSARY. (W/ SPLASHBLOCKS AS REQ.)
8. SLOPING ROOF: (5 IN 12 PITCH MIN) TILE ROOF (10 LBS PER SF MAX) OVER #30 FELT MIN NEL LOCATIONS
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9. CONTRACTOR TO VERIFY TRUSS SIZES, ROOF SLOPE AND QUANTITY PRIOR TO
FABRICATION.
ATTIC VENTING REQ:
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2,487,5 SF
1/300 = 8,3 SF REQ.
8,3 SF REQ LOW + 7,3 SG HIGH
PROVIDE:
(12) 24" O'HAGIN (FLAME & FIRE) DORMER VENTS @ .8,4 SF EACH = 8,4 SF TOTAL
(42) 3X2" DIAM.FRIEZE BLOCKS 0.10 SQ.FT. PER BLOCK
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2' OVERHANG U.N.O
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O'HAGIN VENT (72 SQ. IN. FNVA) COMP
ATTIC ACCESS , SEE PLAN FOR SIZE
GRIPE
RESIDENCE
F.A.U. UNIT
F.A.U. UNIT
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670 JEAN MARIE
DR, SANTA ROSA
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1
11/01/2018 ISSUED FOR REVIEW
MARK
DATE
DESCRIPTION
HIP
HIP
ISSUE
PROJECT NO:
CAD DWG FILE:
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DRAWN BY: VASIL BORODIN
CHK'D BY:
COPYRIGHT LEV DESIGNS
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SHEET TITLE:
ROOF PLAN
ROOF PLAN
1/4" = 1'-0"
A 5.0