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"TIMBERLINE HD" ASPHALT
<br />SHINGLES (CLASS-A) BY GAF
<br />MATERIALS CORPORATION (ICC-ESR
<br />#3267) OVER UNDERLAYMENT PER
<br />ROOF PLAN NOTES. TO MATCH
<br />EXISTENT.
<br />(OR APPROVED EQUAL)
<br />3
<br />OVERHANG
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<br />SLOPE 2:12 SLOPE 2:12
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<br />SLOPE 2:12
<br />SLOPE 2:12
<br />3' OF NON-COMBUSTIBLE OR
<br />IGNITION RESISTANT MATERIAL
<br />SLOPE 2:12SLOPE 2:12
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<br />2' - 4"
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<br />22 SQ.FT. PORCH
<br />3' - 0"
<br />R327.1.1 Reinforcement for Grab Bars
<br />At least one bathroom on the entry level shall be provided with reinforcement installed in accordance with this section.
<br />Where there is no bathroom on the entry level, at least one bathroom on the second or third floor of the dwelling shall
<br />comply with this section.
<br />Reinforcement shall be solid lumber or other construction materials approved by the enforcing agency.
<br />Reinforcement shall not be less than 2 by 8 inch (51 mm by 203 mm) nominal lumber. [11/2 inch by 71/4 inch (38 mm by
<br />184 mm) actual dimension] or other construction material providing equal height and load capacity. Reinforcement shall
<br />be located between 32 inches (812.8 mm) and 391/4 inches (997 mm) above the finished floor flush with the wall framing.
<br />Water closet reinforcement shall be installed on both side walls of the fixture, or one side wall and the back wall.
<br />Shower reinforcement shall be continuous where wall framing is provided.
<br />Bathtub and combination bathtub/shower reinforcement shall be continuous on each end of the bathtub and the back
<br />wall. Additionally, back wall reinforcement for a lower grab bar shall be provided with the bottom edge located no more
<br />than 6 inches (152.4 mm) above the bathtub rim.
<br />Exceptions:
<br />Where the water closet is not placed adjacent to a side wall capable of accommodating a grab bar, the bathroom shall
<br />have provisions for installation of floor-mounted, foldaway or similar alternate grab bar reinforcements approved by the
<br />enforcing agency.
<br />Reinforcement shall not be required in wall framing for pre-fabricated shower enclosures and bathtub wall panels with
<br />integral factory-installed grab bars or when factory-installed reinforcement for grab bars is provided.
<br />Shower enclosures that do not permit installation of reinforcement and/or grab bars shall be permitted, provided
<br />reinforcement for installation of floor-mounted grab bars or an alternate method is approved by the enforcing agency.
<br />Bathtubs with no surrounding walls, or where wall panels do not permit the installation of reinforcement shall be
<br />permitted, provided reinforcement for installation of floor-mounted grab bars adjacent to the bathtub or an alternate
<br />method is approved by the enforcing agency.
<br />Reinforcement of floors shall not be required for bathtubs and water closets installed on concrete slab floors.
<br />R327.1.1.1 Documentation for Grab Bar Reinforcement
<br />Information and/or drawings identifying the location of grab bar reinforcement shall be placed in the operation and
<br />maintenance manual in accordance with the California Green Building Standards Code, Chapter 4, Division 4.4.
<br />R327.1.2 Electrical Receptacle Outlet, Switch and Control Heights
<br />Electrical receptacle outlets, switches and controls (including controls for heating, ventilation and air conditioning)
<br />intended to be used by occupants shall be located no more than 48 inches (1219.2 mm) measured from the top of the
<br />outlet box and not less than 15 inches (381 mm) measured from the bottom of the outlet box above the finish floor.
<br />Exceptions:
<br />Dedicated receptacle outlets; floor receptacle outlets; controls mounted on ceiling fans and ceiling lights; and controls
<br />located on appliances.
<br />Receptacle outlets required by the California Electrical Code on a wall space where the distance between the finished
<br />floor and a built-in feature above the finish floor, such as a window, is less than 15 inches (381 mm).
<br />R327.1.3 Interior Doors
<br />Effective July 1, 2024, at least one bathroom and one bedroom on the entry level shall provide a doorway with a net clear
<br />opening of not less than 32 inches (812.8 mm), measured with the door positioned at an angle of 90 degrees from the
<br />closed position; or, in the case of a two-or three-story single family dwelling, on the second or third floor of the dwelling
<br />if a bathroom or bedroom is not located on the entry level.
<br />R327.1.4 Doorbell Buttons
<br />Doorbell buttons or controls, when installed, shall not exceed 48 inches (1219.2 mm) above exterior floor or landing,
<br />measured from the top of the doorbell button assembly. Where doorbell buttons integrated with other features are
<br />required to be installed above 48 inches (1219.2 mm) measured from the exterior floor or landing, a standard doorbell
<br />button or control shall also be provided at a height not exceeding 48 inches (1219.2 mm) above exterior floor or landing,
<br />measured from the top of the doorbell button or control.
<br />(n) WATER HEATING SYSTEM.
<br />1. Systems using gas or propane water heaters to serve individual dwelling units shall designate a space at
<br />least 2.5 feet by 2.5 feet wide and 7 feet tall suitable for the future installation of a heat pump water heater
<br />(HPWH) by meeting either A or B below. All electrical components shall be installed in accordance with
<br />the California Electrical Code:
<br />A. If the designated space is within 3 feet from the water heater, then this space shall include the
<br />following:
<br />i. A dedicated 125 volt, 20 amp electrical receptacle that is connected to the electric panel with a
<br />120/240 volt 3 conductor, 10 AWG copper branch circuit, within 3 feet from the water heater and
<br />accessible to the water heater with no obstructions; and
<br />ii. Both ends of the unused conductor shall be labeled with the word “spare”and be electrically isolated;
<br />and
<br />iii. A reserved single pole circuit breaker space in the electrical panel adjacent to the circuit breaker for the
<br />branch circuit in A above and labeled with the words “Future 240V Use”; and
<br />iv. A condensate drain that is no more than 2 inches higher than the base of the installed water heater,
<br />and allows natural draining without pump assistance.
<br />B. If the designated space is more than 3 feet from the water heater, then this space shall include the
<br />following:
<br />i. A dedicated 240 volt branch circuit shall be installed within 3 feet from the designated space. The
<br />branch circuit shall be rated at 30 amps minimum. The blank cover shall be identified as “240V ready”;
<br />and
<br />ii. The main electrical service panel shall have a reserved space to allow for the installation of a double
<br />pole circuit breaker for a future HPWH installation. The reserved space shall be permanently marked as
<br />“For Future 240V use”; and
<br />iii. Either a dedicated cold water supply, or the cold water supply shall pass through the designated HPWH
<br />location just before reaching the gas or propane water heater; and
<br />iv. The hot water supply pipe coming out of the gas or propane water heater shall be routed first through
<br />the designated HPWH location before serving any fixtures; and
<br />v. The hot and cold water piping at the designated HPWH location shall be exposed and readily accessible
<br />for future installation of an HPWH; and
<br />vi. A condensate drain that is no more than 2 inches higher than the base of the installed water heater,
<br />and allows natural draining without pump assistance.
<br />2. Water heating recirculation loops serving multiple dwelling units shall meet the requirements of Section
<br />110.3(c)4.
<br />3. Solar water-heating systems and collectors shall be certified and rated by the Solar Rating and Certification
<br />Corporation (SRCC), the International Association of Plumbing and Mechanical Officials, Research and
<br />Testing (IAPMO R&T), or by a listing agency that is approved by the Executive Director.
<br />4. Instantaneous water heaters with an input rating greater than 6.8 kBTU/hr (2kW) shall meet the
<br />requirements of Section 110.3(c)6.
<br />1 HOUR FIRE RATED EAVE
<br />SEE DETAIL 4 IN A2.2
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<br />11' - 4"
<br />SCALE: 1/4" = 1'-0"1 ROOF PLAN
<br />CHECK AND VERIFY ALL DIMENSIONS
<br />BEFORE PROCEEDING WITH THE
<br />WORK. REPORT DISCREPANCIES
<br />TO THE ENGINEER. ALL CONSTRUCTION
<br />SHALL CONFORM TO THE C.B.C.
<br />DESIGNER:
<br />PROJECT:
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<br />MARK DATE REVISION
<br />TITLE:
<br />SHEET NUMBER
<br />OF SHEETS
<br />JOB NO.
<br /> 24-410
<br />DRAWN:
<br /> GH
<br />CHEKED:
<br /> GH
<br />DATE:
<br />FEB 12 25
<br />7-19-25
<br />A4.0
<br />GABLE VENTS 18x24; 140 NFA BUILDERS EDGE OR
<br />SIMILAR PRODUCT.
<br />12X24 IN. DIA. HALF ROUND DORMER VENT; 100 NFA
<br />GIBRALTAR BUILDING PRODUCTS OR SIMILAR
<br />PRODUCT.
<br />VENTSURE SKY RUNNER LTE ROLLED RIDGE VENT
<br />NET FREE VENT AREA (NFVA) 12 SQ. IN. PER LINEAL
<br />FT.
<br />BY OWENS CORNING ROOFING AND ASPHALT, LLC.
<br />REQUIRED VENT AREA:
<br />784.00 / 150 x 144 = 752.64 SQ. IN./2
<br /> 376.32 INTAKE
<br />376.32 EXHAUST
<br />INTAKE
<br />PROVIDED VENT AREA:
<br />2-24X16 IN. GABLE VENTS: 2 @ 120 NFA= 240 SQ.IN.
<br />3-24 IN. DIA. HALF ROUND VENTS: 2 @ 100 NFA= 200 SQ.IN.
<br />TOTAL = 440 SQ. IN. O.K.
<br />EXHAUST
<br />PROVIDED VENT AREA:
<br />ROLLED RIDGE VENT: 36 @ 12 NFA= 432 SQ.IN.
<br /> TOTAL = 432 SQ. IN. O.K.
<br />ROOF
<br />PLAN
<br />KEYNOTES
<br />THE KEY NOTES DIRECTLY BELOW REFER TO THE ROOF PLAN ONLY
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<br />ROOF PLAN NOTES
<br />ATTIC VENTILATION
<br />1. ASPHALT SHINGLES MAY BE INSTALLED IN SLOPES AS LOW AS
<br />2 UNITS VERTICAL IN 12 UNITS HORIZONTAL, PROVIDED THE
<br />SHINGLES ARE APPROVED SELF-SEALING OR HAND SEALED
<br />AND ARE INSTALLED WITH AN UNDERLAYMENT CONSISTING
<br />OF TWO LAYERS OF NONPERFORATED TYPE 15 FELT APPLIED
<br />SHINGLE FASHION. STARTING WITH AN 18-INCH -WIDE SHEET
<br />AND A 36-WIDE SHEET OVER IT AT THE EAVES, EACH
<br />SUBSEQUENT SHEET SHALL BE LAPPED 19 INCHES
<br />HORIZONTALLY.
<br />2. FOR SLOPES OF 4 UNITS VERTICAL IN 12 UNITS HORIZONTAL
<br />OR STEEPER, USE ONE LAYER NONPERFORATED TYPE 15
<br />FELT LAPPED 2 INCHES HORIZONTALLY AND 4 INCHES
<br />VERTICALLY TO SHED WATER.
<br />3. FASTEN SHINGLES WITH CORROSION-RESISTANT NAILS,
<br />MINIMUM 12-GAGE WITH 3/8 INCH HEAD, OR APPROVED
<br />CORROSION-RESISTANT STAPLES, MINIMUM 16-GAGE 15/16
<br />CROWN WIDTH. FASTENERS SHALL BE LONG ENOUGH TO
<br />PENETRATE INTO THE SHEATHING 3/4 INCH OR THROUGH
<br />THICKNESS OF THE SHEATHING, WHICHEVER IS LESS.
<br />INSTALL FOUR FASTENERS FOR STRIP ASPHALT SHINGLES 36
<br />INCHES TO 40 INCHES IN WIDTH.
<br />4. THE ROOF VALLEY FLASHING SHALL NOT BE PROVIDED OF
<br />LESS THAN 0.016-INCH (No. 28 GALVANIZED SHEET GAGE)
<br />CORROSION-RESISTANT METAL, AND SHALL EXTEND AT
<br />LEAST 8 INCHES (203 mm) FROM THE CENTER LINE EACH WAY.
<br />SECTIONS OF FLASHING SHALL HAVE AN END LAP OF NOT
<br />LESS THAN 4 INCHES. ALTERNATIVELY, THE VALLEY SHALL
<br />CONSIST OF WOVEN ASPHALT SHINGLES APPLIED IN
<br />ACCORDANCE WITH THE MANUFACTURER'S PRINTED
<br />INSTRUCTIONS.
<br />5. THE ROOF VALLEY FLASHING SHALL HAVE A 36-INCH-WIDE
<br />UNDERLAYMENT DIRECTLY UNDER IT CONSISTING OF ONE
<br />LAYER OF TYPE 15 FELT RUNNING THE FULL LENGTH OF THE
<br />VALLEY, IN ADDITION TO THE UNDERLAYMENT SPECIFIED
<br />ABOVE.
<br />6. AT THE JUNCTURE OF THE ROOF AND VERTICAL SURFACES,
<br />PROVIDE 'Z' FLASHING NOT LESS THAN 0.019-INCH (No. 26
<br />GALVANIZED SHEET GAGE) CORROSION-RESISTANT METAL
<br />TO 1x4 BACKING. STEP COUNTER FLASHINIG SHALL BE
<br />INSTALLED WHERE THE 'Z' BAR FLASHING SLOPES WITH THE
<br />ROOF. 'L' METAL COUNTER FLASHING SHALL BE INSTALLED
<br />WHERE THE ROOF SLOPES AWAY FROM THE 'Z' BAR
<br />FLASHING.
<br />7. OPENINGS FOR ATTIC VENTILATION SHALL BE COVERED WITH
<br />CORROSION-RESISTANT METAL MESH WITH MESH OPENINGS
<br />OF 1/4-INCH IN DIMENSION.
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