|
MA
<br />I
<br />N
<br />
<br />R
<br />E
<br />S
<br />I
<br />D
<br />E
<br />N
<br />C
<br />E
<br />:
<br />25
<br />1
<br />7
<br />
<br />C
<br />O
<br />T
<br />T
<br />E
<br />R
<br />
<br />S
<br />T
<br />.
<br />
<br />S
<br />A
<br />N
<br />T
<br />A
<br />
<br />A
<br />N
<br />N
<br />A
<br />,
<br />
<br />C
<br />A
<br />
<br />9
<br />2
<br />7
<br />0
<br />6
<br />B
<br />A
<br />O
<br />
<br />
<br />P
<br />H
<br />A
<br />M
<br />
<br />
<br />D
<br />E
<br />S
<br />I
<br />G
<br />N
<br />
<br />
<br />O
<br />F
<br />F
<br />I
<br />C
<br />E
<br />LICENSED ARCHITECT
<br />STATEOF CALIFORNIA
<br />C-39025
<br />REN. 08/31/25
<br />BAO PHAM
<br />ARCHITECT OF RECORD:
<br />BAO PHAM, RA
<br />13
<br />1
<br />0
<br />
<br />N
<br />
<br />H
<br />A
<br />R
<br />B
<br />O
<br />R
<br />
<br />B
<br />L
<br />V
<br />D
<br />.
<br />
<br />S
<br />A
<br />N
<br />T
<br />A
<br />
<br />A
<br />N
<br />A
<br />
<br />C
<br />A
<br />
<br />9
<br />2
<br />7
<br />0
<br />3
<br />
<br />|
<br />
<br />
<br />b
<br />a
<br />o
<br />@
<br />b
<br />p
<br />d
<br />o
<br />-
<br />a
<br />r
<br />c
<br />h
<br />i
<br />t
<br />e
<br />c
<br />t
<br />s
<br />.
<br />c
<br />o
<br />m
<br />
<br />
<br />|
<br />
<br />
<br />7
<br />1
<br />4
<br />.
<br />4
<br />5
<br />7
<br />.
<br />0
<br />4
<br />3
<br />6
<br />DE
<br />T
<br />A
<br />C
<br />H
<br />E
<br />D
<br />
<br />A
<br />D
<br />U
<br />ISSUANCE
<br />Designed plans and specifications
<br />represented by these drawings are
<br />properties of BPDO and were
<br />developed for use in connection with
<br />each particular project. None of these
<br />plans and ideas shall be used,
<br />duplicated, disclosed, in part or in
<br />whole, without written permission of
<br />BPDO.
<br />2024.06.28 PLANNING SUBMTTAL
<br />2024.08.05 CYCLE 1 SUBMITTAL
<br />DE
<br />T
<br />A
<br />C
<br />H
<br />E
<br />D
<br />
<br />A
<br />D
<br />U
<br />:
<br />25
<br />1
<br />5
<br />
<br />C
<br />O
<br />T
<br />T
<br />E
<br />R
<br />
<br />S
<br />T
<br />.
<br />
<br />S
<br />A
<br />N
<br />T
<br />A
<br />
<br />A
<br />N
<br />N
<br />A
<br />,
<br />
<br />C
<br />A
<br />
<br />9
<br />2
<br />7
<br />0
<br />6
<br />GENERAL NOTES
<br />G1.0
<br />GENERAL NOTES
<br />APPLICABLE CODES. ALL PROJECTS SHALL COMPLY WITH THE
<br />2022 CALIFORNIA RESIDENTIAL CODE (CRC)
<br />2022 CALIFORNIA GREEN BUILDING STANDARDS CODE (CALGREEN)
<br />2022 CALIFORNIA ELECTRICAL CODE (CEC)
<br />2022 CALIFORNIA MECHANICAL CODE (CMC)
<br />2022 CALIFORNIA PLUMBING CODE (CPC)
<br />2022 CALIFORNIA FIRE CODE (CFC)
<br />2022 CALIFORNIA BUILDING ENERGY EFFICIENCY STANDARDS (CBEES)
<br />AND ALL APPLICABLE JURISDICTIONAL AMENDMENTS.
<br />FOUNDATION AND UNDERFLOOR
<br />1. FOUNDATION REINFORCEMENT. CONTINUOUS FOOTINGS AND STEM WALLS SHALL
<br />BE PROVIDED WITH A MINIMUM TWO LONGITUDINAL NO. 4 BARS, ONE AT THE TOP
<br />AND ONE AT THE BOTTOM OF THE FOOTING. (CRC R403.1.3.3)
<br />2. SHEAR WALL FOUNDATION SUPPORT. SHEAR WALLS SHALL BE SUPPORTED BY
<br />CONTINUOUS FOUNDATIONS. (CRC 403.1.2)
<br />3. CONCRETE SLABS-ON-GRADE. SLABS-ON-GRADE SHALL BE MINIMUM
<br />3-1/2-INCHES THICK. (CRC R506.1)
<br />4. VAPOR RETARDER. A 6-MIL POLYETHYLENE OR APPROVED VAPOR RETARDER
<br />WITH JOINTS LAPPED MINIMUM 6 INCHES SHALL BE PLACED BETWEEN A
<br />CONCRETE SLAB-ON-GRADE AND THE BASE COURSE OR SUBGRADE. (CRC 506.2.3)
<br />5. ANCHOR BOLTS AND SILLS. FOUNDATION PLATES OR SILLS SHALL BE BOLTED OR
<br />ANCHORED TO THE FOUNDATION OR FOUNDATION WALL PER THE FOLLOWING
<br />(CRC R403.1.6 AND CRC R602.11.1):
<br />a.MINIMUM 1/2-INCH-DIAMETER STEEL BOLTS
<br />b.BOLTS EMBEDDED AT LEAST 7 INCHES INTO CONCRETE OR MASONRY
<br />c.BOLTS SPACED MAXIMUM 6 FEET ON CENTER
<br />d.MINIMUM TWO BOLTS PER PLATE/SILL PIECE WITH ONE BOLT LOCATED MAXIMUM
<br />12 INCHES AND MINIMUM 7 BOLT DIAMETERS FROM EACH END OF EACH SILL
<br />PLATE/PIECE
<br />e.MINIMUM 3-INCH BY 3-INCH BY 0.299-INCH STEEL PLATE WASHER BETWEEN SILL
<br />AND NUT ON EACH BOLT
<br />6. HOLD-DOWNS. ALL HOLD-DOWNS MUST BE TIED IN PLACE PRIOR TO FOUNDATION
<br />INSPECTION.
<br />7. PROTECTION OF WOOD AGAINST DECAY. NATURALLY DURABLE OR
<br />PRESERVATIVE-TREATED WOOD SHALL BE PROVIDED IN THE FOLLOWING
<br />LOCATIONS (CRC R317.1):
<br />a.ALL WOOD IN CONTACT WITH GROUND, EMBEDDED IN CONCRETE IN DIRECT
<br />CONTACT WITH GROUND, OR EMBEDDED IN CONCRETE EXPOSED TO WEATHER
<br />b.WOOD JOISTS WITHIN 18 INCHES AND WOOD GIRDERS WITHIN 12 INCHES OF THE
<br />EXPOSED GROUND IN CRAWL SPACES SHALL BE OF NATURALLY DURABLE OR
<br />PRESERVATIVE-TREATED WOOD
<br />c.WOOD FRAMING MEMBERS THAT REST ON CONCRETE OR MASONRY EXTERIOR
<br />FOUNDATION WALLS AND ARE LESS THAN 8 INCHES FROM EXPOSED EARTH
<br />SHALL BE OF NATURALLY DURABLE OR PRESERVATIVE-TREATED WOOD
<br />d.WOOD FRAMING, SHEATHING, AND SIDING ON THE EXTERIOR OF THE BUILDING
<br />AND HAVING CLEARANCE LESS THAN 6 INCHES FROM THE EXPOSED GROUND OR
<br />LESS THAN 2 INCHES VERTICALLY FROM CONCRETE STEPS, PORCH SLABS, PATIO
<br />SLABS, AND SIMILAR HORIZONTAL SURFACE EXPOSED TO WEATHER
<br />e.SILLS AND SLEEPERS ON CONCRETE OR MASONRY SLAB IN DIRECT CONTACT
<br />WITH GROUND UNLESS SEPARATED FROM SUCH SLAB BY IMPERVIOUS MOISTURE
<br />BARRIER
<br />FOUNDATION AND UNDERFLOOR (CONTINUED)
<br />f.ENDS OF WOOD GIRDERS ENTERING MASONRY OR CONCRETE WALLS WITH
<br />CLEARANCES LESS THAN 1/2 INCH ON TOPS, SIDES, AND ENDS
<br />g.WOOD STRUCTURAL MEMBERS SUPPORTING MOISTURE-PERMEABLE FLOORS OR
<br />ROOFS EXPOSED TO WEATHER, SUCH AS CONCRETE OR MASONRY SLABS,
<br />UNLESS SEPARATED FROM SUCH FLOORS OR ROOFS BY AN IMPERVIOUS
<br />MOISTURE BARRIER
<br />h.WOOD FURRING STRIPS OR OTHER WOOD FRAMING MEMBERS ATTACHED
<br />DIRECTLY TO INTERIOR OF EXTERIOR CONCRETE OR MASONRY WALLS BELOW
<br />GRADE EXCEPT WHERE VAPOR RETARDER APPLIED BETWEEN WALL AND
<br />FURRING STRIPS OR FRAMING MEMBERS
<br />8. UNDERFLOOR VENTILATION. UNDERFLOOR AREAS SHALL HAVE VENTILATION
<br />OPENINGS THROUGH FOUNDATION WALLS OR EXTERIOR WALLS, WITH MINIMUM
<br />NET AREA OF VENTILATION OPENINGS OF 1 SQUARE FOOT FOR EACH 150 SQUARE
<br />FEET OF UNDERFLOOR AREA. ON SUCH VENTILATING OPENING SHALL BE WITHIN 3
<br />FEET OF EACH CORNER OF THE BUILDING. (CRC R408.1)
<br />9. UNDERFLOOR ACCESS. UNDERFLOOR AREAS SHALL BE PROVIDED WITH A
<br />MINIMUM 18-INCH BY 24-INCH ACCESS OPENING. (CRC R408.4)
<br />WOOD FRAMING
<br />1. FASTENER REQUIREMENTS. THE NUMBER, SIZE, AND SPACING OF FASTENERS
<br />CONNECTING WOOD MEMBERS/ELEMENTS SHALL NOT BE LESS THAN THAT SET FORTH
<br />IN CRC TABLE R602.3(1). (CRC R502.9, CRC R602.3, AND CRC R802.2)
<br />2. STUD SIZE, HEIGHT, AND SPACING. THE SIZE, HEIGHT, AND SPACING OF STUDS SHALL BE
<br />IN ACCORDANCE WITH CRC TABLE R602.3(5). (CRC R602.3.1)
<br />3. SILL PLATE. STUDS SHALL HAVE FULL BEARING ON NOMINAL 2-INCH THICK OR LARGER
<br />SILL PLATE WITH WIDTH AT LEAST EQUAL TO STUD WIDTH. (CRC R602.3.4)
<br />4. BEARING STUDS. WHERE JOISTS, TRUSSES, OR RAFTERS ARE SPACED MORE THAN 16
<br />INCHES ON CENTER AND THE BEARING STUDS BELOW ARE SPACED 24 INCHES ON
<br />CENTER, SUCH MEMBERS SHALL BEAR WITHIN 5 INCHES OF THE STUDS BENEATH. (CRC
<br />R602.3.3)
<br />5. DRILLING AND NOTCHING OF STUDS. ANY STUD IN AN EXTERIOR WALL OR BEARING
<br />PARTITION MAY BE CUT OR NOTCHED TO A DEPTH NOT EXCEEDING 25% OF ITS WIDTH.
<br />STUDS IN NONBEARING PARTITIONS MAY BE NOTCHED TO A DEPTH NOT TO EXCEED 40%
<br />OF A SINGLE STUD WIDTH. ANY STUD MAY BE BORED OR DRILLED, PROVIDED THE
<br />DIAMETER OF THE RESULTING HOLE IS NO MORE THAN 60% OF THE STUD WIDTH, THE
<br />EDGE OF THE HOLE IS NO MORE THAN 5/8 INCH TO THE EDGE OF THE STUD, AND THE
<br />HOLE IS NOT LOCATED IN THE SAME SECTION AS A CUT OR NOTCH. STUDS LOCATED IN
<br />EXTERIOR WALL OR BEARING PARTITIONS DRILLED OVER 40% AND UP TO 60% SHALL
<br />ALSO BE DOUBLED WITH NO MORE THAN TWO SUCCESSIVE STUDS BORED. (CRC R602.6)
<br />6. TOP PLATE. WOOD STUD WALLS SHALL BE CAPPED WITH A DOUBLE TOP PLATE
<br />INSTALLED TO PROVIDE OVERLAPPING AT CORNERS AND AT INTERSECTIONS WITH
<br />OTHER PARTITIONS. END JOINTS IN DOUBLE TOP PLATES SHALL BE OFFSET AT LEAST 24
<br />INCHES. JOINTS IN PLATES NEED NOT OCCUR OVER STUDS. PLATES SHALL BE MINIMUM
<br />NOMINAL 2 INCHES THICK AND HAVE WIDTH AT LEAST EQUAL TO WIDTH OF STUDS. (CRC
<br />R602.3.2)
<br />7. TOP PLATE SPLICES. TOP PLATE LAP SPLICES SHALL BE FACE-NAILED WITH MINIMUM 8
<br />16D NAILS ON EACH SIDE OF SPLICE. (CRC R602.10.8.1)
<br />8. DRILLING AND NOTCHING OF TOP PLATE. WHEN PIPING OR DUCTWORK IS PLACED IN OR
<br />PARTLY IN AN EXTERIOR WALL OR INTERIOR LOAD-BEARING WALL, NECESSITATING
<br />CUTTING, DRILLING, OR NOTCHING OF THE TOP PLATE BY MORE THAN 50% OF ITS
<br />WIDTH, A GALVANIZED METAL TIE NOT LESS THAN 0.054-INCH THICK AND 1-1/2-INCHES
<br />WIDE SHALL BE FASTENED ACROSS AND TO THE PLATE AT EACH SIDE OF THE OPENING
<br />WITH NOT LESS THAN 8 10D NAILS HAVING A MINIMUM LENGTH OF 1-1/2 INCHES AT EACH
<br />SIDE OR EQUIVALENT. THE METAL TIE MUST EXTEND MINIMUM 6 INCHES PAST THE
<br />OPENING. (CRC R602.6.1)
<br />9. CRIPPLE WALLS. FOUNDATION CRIPPLE WALLS SHALL BE FRAMED OF STUDS NOT LESS
<br />IN SIZE THAN THE STUDDING ABOVE. CRIPPLE WALLS MORE THAN 4 FEET IN HEIGHT
<br />SHALL HAVE STUDS SIZED AS REQUIRED FOR AN ADDITIONAL STORY. CRIPPLE WALLS
<br />WITH STUD HEIGHT LESS THAN 14 INCHES SHALL BE SHEATHED ON AT LEAST ONE SIDE
<br />WITH A WOOD STRUCTURAL PANEL FASTENED TO BOTH THE TOP AND BOTTOM PLATES
<br />IN ACCORDANCE WITH TABLE R602.3(1), OR THE CRIPPLE WALLS SHALL BE
<br />CONSTRUCTED OF SOLID BLOCKING. CRIPPLE WALLS SHALL BE SUPPORTED ON
<br />CONTINUOUS FOUNDATIONS. (CRC R602.9)
<br />10.WALL BRACING. BUILDINGS SHALL BE BRACED IN ACCORDANCE WITH THE METHODS
<br />ALLOWED PER CRC R602.10.2, CRC R602.10.4, AND/OR CRC R602.10.5.
<br />11.BRACED WALL LINE SPACING. SPACING BETWEEN BRACED WALL LINES SHALL NOT
<br />EXCEED 20 FEET OR ALTERNATE PROVISIONS OF CRC R602.10.1.3.
<br />12.SHEAR WALL CUMULATIVE LENGTH. THE CUMULATIVE LENGTH OF SHEAR WALLS WITHIN
<br />EACH BRACED WALL LINE SHALL MEET THE PROVISIONS OF CRC TABLE R602.10.3(1) FOR
<br />WIND LOADS AND CRC TABLE R602.10.3(2) FOR SEISMIC LOADS. (CRC R602.10.1.1)
<br />13.SHEAR WALL SPACING. SHEAR WALLS SHALL BE LOCATED NOT MORE THAN 25 FEET ON
<br />CENTER. (CRC R602.10.2.2)
<br />14.SHEAR WALL OFFSET. SHEAR WALLS MAY BE OFFSET OUT-OF-PLAN NOT MORE THAN 4
<br />FEET FROM THE DESIGNATED BRACED WALL LINE AND NOT MORE THAN 8 FEET FROM
<br />ANY OTHER OFFSET WALL CONSIDERED PART OF THE SAME BRACED WALL LINE. (CRC
<br />R602.10.1.2)
<br />15.SHEAR WALL LOCATION. SHEAR WALLS SHALL BE LOCATED AT THE ENDS OF EACH
<br />BRACED WALL LINE OR MEET THE ALTERNATE PROVISIONS OF CRC R602.10.2.2.
<br />16.INDIVIDUAL SHEAR WALL LENGTH. SHEAR WALLS SHALL MEET MINIMUM LENGTH
<br />REQUIREMENTS OF CRC R602.10.6.5.1.
<br />17.CRIPPLE WALL BRACING. CRIPPLE WALLS SHALL BE BRACED PER CRC R602.10.11.
<br />18.SHEAR WALL AND DIAPHRAGM NAILING. ALL SHEAR WALLS, ROOF DIAPHRAGMS, AND
<br />FLOOR DIAPHRAGMS SHALL BE NAILED TO SUPPORTING CONSTRUCTION PER CRC
<br />TABLE R602.3(1). (CRC R604.3)
<br />19.SHEAR WALL JOINTS. ALL VERTICAL JOINTS IN SHEAR WALL SHEATHING SHALL OCCUR
<br />OVER, AND BE FASTENED TO, COMMON STUDS. HORIZONTAL JOINTS IN SHEAR WALLS
<br />SHALL OCCUR OVER, AND BE FASTENED TO, MINIMUM 1-1/2-INCH-THICK BLOCKING. (CRC
<br />R602.10.10)
<br />20.FRAMING OVER OPENINGS. HEADERS, DOUBLE JOISTS, OR TRUSSES OF ADEQUATE SIZE
<br />TO TRANSFER LOADS TO VERTICAL MEMBERS SHALL BE PROVIDED OVER WINDOW AND
<br />DOOR OPENINGS IN LOAD-BEARING WALLS AND PARTITIONS.
<br /> (CRC 2304.3.2)
<br />21.JOISTS UNDER BEARING PARTITIONS. JOISTS UNDER PARALLEL BEARING PARTITIONS
<br />SHALL BE OF ADEQUATE SIZE TO SUPPORT THE LOAD. DOUBLE JOISTS, SIZED TO
<br />ADEQUATELY SUPPORT THE LOAD, THAT ARE SEPARATED TO PERMIT THE INSTALLATION
<br />OF PIPING OR VENTS SHALL BE FULL-DEPTH SOLID-BLOCKED WITH MINIMUM 2-INCH
<br />NOMINAL LUMBER SPACED AT MAXIMUM 4 FEET ON CENTER. BEARING PARTITIONS
<br />PERPENDICULAR TO JOISTS SHALL NOT BE OFFSET FROM SUPPORTING GIRDERS,
<br />WALLS, OR PARTITIONS MORE THAN THE JOIST DEPTH UNLESS SUCH JOISTS ARE OF
<br />SUFFICIENT SIZE TO CARRY THE ADDITIONAL LOAD. (CRC R502.4)
<br />22.JOISTS ABOVE OR BELOW SHEAR WALLS. WHERE JOISTS ARE PERPENDICULAR TO A
<br />SHEAR WALL ABOVE OR BELOW, A RIM JOIST, BAND JOIST, OR BLOCKING SHALL BE
<br />PROVIDED ALONG THE ENTIRE LENGTH OF THE SHEAR WALL. WHERE JOISTS ARE
<br />PARALLEL TO A SHEAR WALL ABOVE OR BELOW, A RIM JOIST, END JOIST, OR OTHER
<br />PARALLEL FRAMING SHALL BE PROVIDED DIRECTLY ABOVE AND/OR BELOW THE SHEAR
<br />WALL. WHERE A PARALLEL FRAMING MEMBER CANNOT BE LOCATED DIRECTLY ABOVE
<br />AND/OR BELOW THE SHEAR WALL, FULL-DEPTH BLOCKING AT 16-INCH SPACING SHALL
<br />BE PROVIDED BETWEEN THE PARALLEL FRAMING MEMBERS TO EACH SIDE OF THE
<br />SHEAR WALL. (CRC R602.10.8)
<br />23.FLOOR MEMBER BEARING. THE ENDS OF EACH FLOOR JOIST, BEAM, OR GIRDER SHALL
<br />HAVE MINIMUM 1-1/2 INCHES OF BEARING ON WOOD OR METAL AND MINIMUM 3 INCHES
<br />OF BEARING ON MASONRY OR CONCRETE EXCEPT WHERE SUPPORTED ON A
<br />1-INCH-BY-4-INCH RIBBON STRIP AND NAILED TO THE ADJOINING STUD OR BY THE USE
<br />OF APPROVED JOIST HANGERS. (CRC R502.6)
<br />24.FLOOR JOIST LAP. FLOOR JOISTS FRAMING OPPOSITE SIDES OVER A BEARING SUPPORT
<br />SHALL LAP MINIMUM 3 INCHES AND SHALL BE NAILED TOGETHER WITHIN MINIMUM 3 10D
<br />FACE NAILS. A WOOD OR METAL SPLICE WITH STRENGTH EQUAL TO OR GREATER THAN
<br />THAT PROVIDED BY THE LAP IS PERMITTED. (CRC R502.6.1)
<br />25.FLOOR JOIST-TO-GIRDER SUPPORT. FLOOR JOISTS FRAMING INTO THE SIDE OF A WOOD
<br />GIRDER SHALL BE SUPPORTED BY APPROVED FRAMING ANCHORS OR ON LEDGER
<br />STRIPS MINIMUM NOMINAL 2 INCHES BY 2 INCHES. (CRC R502.6.2)
<br />26.FLOOR JOIST LATERAL RESTRAINT. FLOOR JOISTS SHALL BE SUPPORTED LATERALLY AT
<br />ENDS AND EACH INTERMEDIATE SUPPORT BY MINIMUM 2-INCH FULL-DEPTH BLOCKING,
<br />BY ATTACHMENT TO FULL-DEPTH HEADER, BAND JOIST, OR RIM JOIST, TO AN ADJOINING
<br />STUD, OR SHALL BE OTHERWISE PROVIDED WITH LATERAL SUPPORT TO PREVENT
<br />ROTATION. (CRC R502.7)
<br />27.FLOOR JOIST BRIDGING. FLOOR JOISTS EXCEEDING NOMINAL 2 INCHES BY 12 INCHES
<br />SHALL BE SUPPORTED LATERALLY BY SOLID BLOCKING, DIAGONAL BRIDGING (WOOD OR
<br />METAL), OR A CONTINUOUS 1-INCH-BY-3-INCH STRIP NAILED ACROSS THE BOTTOM OF
<br />JOISTS PERPENDICULAR TO JOISTS AT MAXIMUM 8-FOOT INTERVALS. (CRC R502.7.1)
<br />28.FRAMING OF FLOOR OPENINGS. OPENINGS IN FLOOR FRAMING SHALL BE FRAMED WITH
<br />A HEADER AND TRIMMER JOISTS. WHEN THE HEADER JOIST SPAN DOES NOT EXCEED 4
<br />FEET, THE HEADER JOIST MAY BE A SINGLE MEMBER THE SAME SIZE AS THE FLOOR
<br />JOIST. SINGLE TRIMMER JOISTS MAY BE USED TO CARRY A SINGLE HEADER JOIST
<br />LOCATED WITHIN 3 FEET OF THE TRIMMER JOIST BEARING. WHEN THE HEADER JOIST
<br />SPAN EXCEEDS 4 FEET, THE TRIMMER JOISTS AND HEADER JOIST SHALL BE DOUBLED
<br />AND OF SUFFICIENT CROSS SECTION TO SUPPORT THE FLOOR JOISTS FRAMING INTO
<br />THE HEADER. APPROVED HANGERS SHALL BE USED FOR THE
<br />HEADER-JOIST-TO-TRIMMER-JOIST CONNECTIONS WHEN THE HEADER JOIST SPAN
<br />EXCEEDS 6 FEET. TAIL JOISTS OVER 12 FEET LONG SHALL BE SUPPORTED AT THE
<br />HEADER BY FRAMING ANCHORS OR ON LEDGER STRIPS MINIMUM 2 INCHES BY 2 INCHES.
<br />(CRC R502.10)
<br />A. WOOD FRAMING (CONTINUED)
<br />29.GIRDERS. GIRDERS FOR SINGLE-STORY CONSTRUCTION OR GIRDERS SUPPORTING
<br />LOADS FROM A SINGLE FLOOR SHALL NOT BE LESS THAN 4 INCHES BY 6 INCHES FOR
<br />SPANS 6 FEET OR LESS, PROVIDED THAT GIRDERS ARE SPACED NOT MORE THAN 8 FEET
<br />ON CENTER. OTHER GIRDERS SHALL BE DESIGNED TO SUPPORT THE LOADS SPECIFIED
<br />IN THE CBC. GIRDER END JOINTS SHALL OCCUR OVER SUPPORTS. WHEN A GIRDER IS
<br />SPLICED OVER A SUPPORT, AN ADEQUATE TIE SHALL BE PROVIDED. THE ENDS OF
<br />BEAMS OR GIRDERS SUPPORTED ON MASONRY OR CONCRETE SHALL NOT HAVE LESS
<br />THAN 3 INCHES OF BEARING. (CHAPTER 5 CRC)
<br />30.RIDGES, HIPS, AND VALLEYS. RAFTERS SHALL BE FRAMED TO A RIDGE BOARD OR TO
<br />EACH OTHER WITH A GUSSET PLATE AS A TIE. RIDGE BOARDS SHALL BE MINIMUM
<br />1-INCH NOMINAL THICKNESS AND NOT LESS IN DEPTH THAN THE CUT END OF THE
<br />RAFTER. AT ALL VALLEY AND HIPS, THERE SHALL BE A VALLEY OR HIP RAFTER NOT
<br />LESS THAN 2-INCH NOMINAL THICKNESS AND NOT LESS IN DEPTH THAN THE CUT END OF
<br />THE RAFTER. HIP AND VALLEY RAFTERS SHALL BE SUPPORTED AT THE RIDGE BY A
<br />BRACE TO A BEARING PARTITION OR BE DESIGNED TO CARRY AND DISTRIBUTE THE
<br />SPECIFIC LOAD AT THAT POINT. WHERE THE ROOF PITCH IS LESS THAN 3:12 SLOPE (25%
<br />GRADIENT), STRUCTURAL MEMBERS THAT SUPPORT RAFTERS AND CEILINGS JOISTS,
<br />SUCH AS RIDGES, HIPS, AND VALLEYS, SHALL BE DESIGNED AS BEAMS. (CRC R802.3)
<br />31.CEILING JOIST AND RAFTER CONNECTIONS. CEILING JOISTS AND RAFTERS SHALL BE
<br />NAILED TO EACH OTHER PER CRC TABLE R802.5.1(9), AND THE RAFTER SHALL BE NAILED
<br />TO THE WALL TOP PLATE PER CRC TABLE R602.3(1). CEILING JOISTS SHALL BE
<br />CONTINUOUS OR SECURELY JOINED PER CRC TABLE R802.5.1(9) WHERE THEY MEET
<br />OVER INTERIOR PARTITIONS AND ARE NAILED TO ADJACENT RAFTERS TO PROVIDE A
<br />CONTINUOUS TIE ACROSS THE BUILDING WHEN SUCH JOISTS ARE PARALLEL TO
<br />RAFTERS. WHERE CEILING JOISTS ARE NOT CONNECTED TO THE RAFTERS AT THE
<br />WALL TOP PLATE, JOISTS CONNECTED HIGHER IN THE ATTIC SHALL BE INSTALLED AS
<br />RAFTER TIES, OR RAFTER TIES SHALL BE INSTALLED TO PROVIDE A CONTINUOUS TIE.
<br />WHERE CEILING JOISTS ARE NOT PARALLEL TO RAFTERS, RAFTER TIES SHALL BE
<br />INSTALLED. RAFTER TIES SHALL BE MINIMUM 2 INCHES BY 4 INCHES NOMINAL,
<br />INSTALLED PER CRC TABLE R802.5.1(9), OR CONNECTIONS OF EQUIVALENT CAPACITIES
<br />SHALL BE PROVIDED. WHERE CEILINGS JOISTS OR RAFTER TIES ARE NOT PROVIDED,
<br />THE RIDGE FORMED BY THESE RAFTERS SHALL BE SUPPORTED BY A WALL OR
<br />ENGINEER-DESIGNED GIRDER. (CRC R802.3.1)
<br />32.CEILING JOISTS LAPPED. ENDS OF CEILING JOISTS SHALL BE LAPPED MINIMUM 3 INCHES
<br />OR BUTTED OVER BEARING PARTITIONS OR BEAMS AND TOENAILED TO THE BEARING
<br />ELEMENT. WHERE CEILING JOISTS PROVIDE RESISTANCE TO RAFTER THRUST, LAPPED
<br />JOISTS SHALL BE NAILED TOGETHER PER CRC TABLE R602.3(1) AND BUTTED JOISTS
<br />SHALL BE TIED TOGETHER IN A MANNER TO RESIST SUCH THRUST. (CRC R802.3.2)
<br />33.COLLAR TIES. COLLAR TIES OR RIDGE STRAPS TO RESIST WIND UPLIFT SHALL BE
<br />CONNECTED IN THE UPPER THIRD OF THE ATTIC SPACE. COLLAR TIES SHALL BE A
<br />MINIMUM 1 INCH BY 4 INCHES NOMINAL AND SPACED AT MAXIMUM 4 FEET ON CENTER.
<br />(CRC R802.3.1)
<br />34.PURLINS. PURLINS INSTALLED TO REDUCE THE SPAN OF RAFTERS SHALL BE SIZED NOT
<br />LESS THAN THE REQUIRED SIZE OF THE RAFTERS THEY SUPPORT. PURLINS SHALL BE
<br />CONTINUOUS AND SHALL BE SUPPORTED BY 2-INCH-BY-4-INCH NOMINAL BRACES
<br />INSTALLED TO BEARING WALLS AT A MINIMUM 45-DEGREE SLOPE FROM HORIZONTAL.
<br />THE BRACES SHALL BE SPACED MAXIMUM 4 FEET ON CENTER WITH A MAXIMUM 8-FOOT
<br />UNBRACED LENGTH. (CRC R802.5.1)
<br />35.ROOF/CEILING MEMBER BEARING. THE ENDS OF EACH RAFTER OR CEILING JOIST SHALL
<br />HAVE NOT LESS THAN 1-1/2 INCHES OF BEARING ON WOOD OR METAL AND NOT LESS
<br />THAN 3 INCHES OF BEARING ON MASONRY OR CONCRETE. (CRC R802.6)
<br />36.ROOF/CEILING MEMBER LATERAL SUPPORT. ROOF FRAMING MEMBERS AND CEILING
<br />JOISTS WITH A NOMINAL DEPTH-TO-THICKNESS RATIO EXCEEDING 5:1 SHALL BE
<br />PROVIDED WITH LATERAL SUPPORT AT POINTS OF BEARING TO PREVENT ROTATION.
<br />(CRC R802.8)
<br />37.ROOF/CEILING BRIDGING. RAFTERS AND CEILING JOISTS WITH A NOMINAL
<br />DEPTH-TO-THICKNESS RATIO EXCEEDING 6:1 SHALL BE SUPPORTED LATERALLY BY
<br />SOLID BLOCKING, DIAGONAL BRIDGING (WOOD OR METAL), OR A CONTINUOUS
<br />1-INCH-BY-3-INCH WOOD STRIP NAILED ACROSS THE RAFTERS OR CEILING JOISTS AT
<br />MAXIMUM 8-FOOT INTERVALS. (CRC R802.8.1)
<br />38.FRAMING OF ROOF/CEILING OPENINGS. OPENINGS IN ROOF AND CEILING FRAMING
<br />SHALL BE FRAMED WITH A HEADER AND TRIMMER JOISTS. WHEN THE HEADER JOIST
<br />SPAN DOES NOT EXCEED 4 FEET, THE HEADER JOIST MAY BE A SINGLE MEMBER THE
<br />SAME SIZE AS THE CEILING JOIST OR RAFTER. SINGLE TRIMMER JOISTS MAY BE USED
<br />TO CARRY A SINGLE HEADER JOIST LOCATED WITHIN 3 FEET OF THE TRIMMER JOIST
<br />BEARING. WHEN THE HEADER JOIST SPAN EXCEEDS 4 FEET, THE TRIMMER JOISTS AND
<br />HEADER JOIST SHALL BE DOUBLED AND OF SUFFICIENT CROSS SECTION TO SUPPORT
<br />THE CEILING JOISTS OR RAFTERS FRAMING INTO THE HEADER. APPROVED HANGERS
<br />SHALL BE USED FOR THE HEADER-JOIST-TO-TRIMMER-JOIST CONNECTIONS WHEN THE
<br />HEADER JOIST SPAN EXCEEDS 6 FEET. TAIL JOISTS OVER 12 FEET LONG SHALL BE
<br />SUPPORTED AT THE HEADER BY FRAMING ANCHORS OR ON LEDGER STRIPS MINIMUM 2
<br />INCHES BY 2 INCHES. (CRC R502.10)
<br />39.ROOF FRAMING ABOVE SHEAR WALLS. RAFTERS OR ROOF TRUSSES SHALL BE
<br />CONNECTED TO TOP PLATES OF SHEAR WALLS WITH BLOCKING BETWEEN THE RAFTERS
<br />OR TRUSSES. (CRC R602.10.8)
<br />40.ROOF DIAPHRAGM UNDER FILL FRAMING. ROOF PLYWOOD SHALL BE CONTINUOUS
<br />UNDER CALIFORNIA FILL FRAMING.
<br />41.ROOF DIAPHRAGM AT RIDGES. MINIMUM 2-INCH NOMINAL BLOCKING REQUIRED FOR
<br />ROOF DIAPHRAGM NAILING AT RIDGES.
<br />42.BLOCKING OF ROOF TRUSSES. MINIMUM 2-INCH NOMINAL BLOCKING REQUIRED
<br />BETWEEN TRUSSES AT RIDGE LINES AND AT POINTS OF BEARING AT EXTERIOR WALLS.
<br />43.TRUSS CLEARANCE. MINIMUM 1/2-INCH CLEARANCE REQUIRED BETWEEN TOP PLATES
<br />OF INTERIOR NON-BEARING PARTITIONS AND BOTTOM CHORDS OF TRUSSES.
<br />44.DRILLING, CUTTING, AND NOTCHING OF ROOF/FLOOR FRAMING. NOTCHES IN SOLID
<br />LUMBER JOISTS, RAFTERS, BLOCKING, AND BEAMS SHALL NOT EXCEED ONE-SIXTH THE
<br />MEMBER DEPTH, SHALL BE NOT LONGER THAN ONE-THIRD THE MEMBER DEPTH, AND
<br />SHALL NOT BE LOCATED IN THE MIDDLE ONE-THIRD OF THE SPAN. NOTCHES AT
<br />MEMBER ENDS SHALL NOT EXCEED ONE-FOURTH THE MEMBER DEPTH. THE TENSION
<br />SIDE OF MEMBERS 4 INCHES OR GREATER IN NOMINAL THICKNESS SHALL NOT BE
<br />NOTCHED EXCEPT AT MEMBER ENDS. THE DIAMETER OF HOLES BORED OR CUT INTO
<br />MEMBERS SHALL NOT EXCEED ONE-THIRD THE MEMBER DEPTH. HOLES SHALL NOT BE
<br />CLOSER THAN 2 INCHES TO THE TOP OR BOTTOM OF THE MEMBER OR TO ANY OTHER
<br />HOLE LOCATED IN THE MEMBER. WHERE THE MEMBER IS ALSO NOTCHED, THE HOLE
<br />SHALL NOT BE CLOSER THAN 2 INCHES TO THE NOTCH. (CRC R502.8.1)
<br />45.EXTERIOR LANDINGS, DECKS, BALCONIES, AND STAIRS. SUCH ELEMENTS SHALL BE
<br />POSITIVELY ANCHORED TO THE PRIMARY STRUCTURE TO RESIST BOTH VERTICAL AND
<br />LATERAL FORCES OR SHALL BE DESIGNED TO BE SELF-SUPPORTING. ATTACHMENT
<br />SHALL NOT BE ACCOMPLISHED BY USE OF TOENAILS OR NAILS SUBJECT TO
<br />WITHDRAWAL. (CRC R311.3)
<br />46.FIREBLOCKING. FIREBLOCKING SHALL BE PROVIDED IN THE FOLLOWING LOCATIONS
<br />(CRC R302.11 AND CRC R1003.19):
<br />a.IN CONCEALED SPACES OF STUD WALLS AND PARTITIONS, INCLUDING FURRED
<br />SPACES, AND PARALLEL ROWS OF STUDS OR STAGGERED STUDS, AS FOLLOWS:
<br />i.VERTICALLY AT THE CEILING AND FLOOR LEVELS
<br />ii.HORIZONTALLY AT INTERVALS NOT EXCEEDING 10 FEET
<br />b.AT ALL INTERCONNECTIONS BETWEEN CONCEALED VERTICAL AND HORIZONTAL
<br />SPACES SUCH AS OCCUR AT SOFFITS, DROP CEILINGS, AND COVE CEILINGS
<br />c.IN CONCEALED SPACES BETWEEN STAIR STRINGERS AT THE TOP AND BOTTOM OF THE
<br />RUN
<br />d.AT OPENINGS AROUND VENTS, PIPES, DUCTS, CABLES AND WIRES AT CEILING AND
<br />FLOOR LEVEL, WITH AN APPROVED MATERIAL TO RESIST THE FREE PASSAGE OF
<br />FLAME AND PRODUCTS OF COMBUSTION
<br />e.AT CHIMNEYS AND FIREPLACES PER ITEM E.49
<br />f.CORNICES OF A TWO-FAMILY DWELLING AT THE LINE OF DWELLING-UNIT SEPARATION
<br />47.FIREBLOCKING MATERIALS. EXCEPT AS OTHERWISE SPECIFIED IN ITEMS E.48 AND E.49,
<br />FIREBLOCKING SHALL CONSIST OF THE FOLLOWING MATERIALS WITH THE INTEGRITY
<br />MAINTAINED (CRC R302.11.1):
<br />a.TWO-INCH NOMINAL LUMBER
<br />b.TWO THICKNESSES OF ONE-INCH NOMINAL LUMBER WITH BROKEN LAP JOINTS
<br />c.ONE THICKNESS OF 23/32-INCH WOOD STRUCTURAL PANEL WITH JOINTS BACKED BY
<br />23/32-INCH WOOD STRUCTURAL PANEL
<br />d.ONE THICKNESS OF 3/4-INCH PARTICLEBOARD WITH JOINTS BACKED BY 3/4-INCH
<br />PARTICLEBOARD
<br />e.1/2-INCH GYPSUM BOARD
<br />f.1/4-INCH CEMENT-BASED MILLBOARD
<br />g.BATTS OR BLANKETS OF MINERAL OR GLASS FIBER OF OTHER APPROVED MATERIALS
<br />INSTALLED IN SUCH A MANNER AS TO BE SECURELY RETAINED IN PLACE. BATTS OR
<br />BLANKETS OF MINERAL OR GLASS FIBER OR OTHER APPROVED NON-RIGID MATERIALS
<br />SHALL BE PERMITTED FOR COMPLIANCE WITH THE 10-FOOT HORIZONTAL
<br />FIREBLOCKING IN WALLS CONSTRUCTED USING PARALLEL ROWS OF STUDS OR
<br />STAGGERED STUDS. UNFACED FIBERGLASS BATT INSULATION USED AS FIREBLOCKING
<br />SHALL FILL THE ENTIRE CROSS-SECTION OF THE WALL CAVITY TO A MINIMUM HEIGHT
<br />OF 16 INCHES MEASURED VERTICALLY. WHEN PIPING, CONDUIT, OR SIMILAR
<br />OBSTRUCTIONS ARE ENCOUNTERED, THE INSULATION SHALL BE PACKED TIGHTLY
<br />AROUND THE OBSTRUCTION. LOOSE-FILL INSULATION MATERIAL SHALL NOT BE USED
<br />AS A FIREBLOCK UNLESS SPECIFICALLY TESTED IN THE FORM AND MANNER INTENDED
<br />FOR USE TO DEMONSTRATE ITS ABILITY TO REMAIN IN PLACE AND TO RETARD THE
<br />SPREAD OF FIRE AND HOT GASES.
<br />48.FIREBLOCKING AT OPENINGS AROUND VENTS, PIPES, DUCTS, CABLES, AND WIRES AT
<br />CEILING AND FLOOR LEVEL. SUCH OPENINGS SHALL BE FIREBLOCKED WITH AN
<br />APPROVED MATERIAL TO RESIST THE FREE PASSAGE OF FLAME AND PRODUCTS OF
<br />COMBUSTION. (CRC R302.11)
<br />WOOD FRAMING (CONTINUED)
<br />49.FIREBLOCKING OF CHIMNEYS AND FIREPLACES. ALL SPACES BETWEEN CHIMNEYS AND
<br />FLOORS AND CEILINGS THROUGH WHICH CHIMNEYS PASS SHALL BE FIREBLOCKED WITH
<br />NONCOMBUSTIBLE MATERIAL SECURELY FASTENED IN PLACE. THE FIREBLOCKING OF
<br />SPACES BETWEEN CHIMNEYS AND WOOD JOISTS, BEAMS, OR HEADERS SHALL BE
<br />SELF-SUPPORTING OR BE PLACED ON STRIPS OF METAL OR METAL LATH LAID ACROSS
<br />THE SPACES BETWEEN COMBUSTIBLE MATERIAL AND THE CHIMNEY. (CRC R1003.19)
<br />50.DRAFTSTOPPING. IN COMBUSTIBLE CONSTRUCTION WHERE THERE IS USABLE SPACE
<br />BOTH ABOVE AND BELOW THE CONCEALED SPACE OF A FLOOR/CEILING ASSEMBLY,
<br />DRAFTSTOPS SHALL BE INSTALLED SO THAT THE AREA OF THE CONCEALED SPACE
<br />DOES NOT EXCEED 1000 SQUARE FEET. DRAFTSTOPPING SHALL DIVIDE THE
<br />CONCEALED SPACE INTO APPROXIMATELY EQUAL AREAS. WHERE THE ASSEMBLY IS
<br />ENCLOSED BY A FLOOR MEMBRANE ABOVE AND A CEILING MEMBRANE BELOW,
<br />DRAFTSTOPPING SHALL BE PROVIDED IN FLOOR/CEILING ASSEMBLIES UNDER THE
<br />FOLLOWING CIRCUMSTANCES (CRC R302.12):
<br />a.CEILING IS SUSPENDED UNDER THE FLOOR FRAMING
<br />b.FLOOR FRAMING IS CONSTRUCTED OF TRUSS-TYPE OPEN-WEB OR PERFORATED
<br />MEMBERS
<br />51.DRAFTSTOPPING MATERIALS. DRAFTSTOPPING SHALL NOT BE LESS THAN 1/2-INCH
<br />GYPSUM BOARD, 3/8-INCH WOOD STRUCTURAL PANELS, OR OTHER APPROVED
<br />MATERIALS ADEQUATELY SUPPORTED. DRAFTSTOPPING SHALL BE INSTALLED
<br />PARALLEL TO THE FLOOR FRAMING MEMBERS UNLESS OTHERWISE APPROVED BY THE
<br />BUILDING OFFICIAL. THE INTEGRITY OF DRAFTSTOPS SHALL BE MAINTAINED. (CRC
<br />R302.12.1)
<br />52.COMBUSTIBLE INSULATION CLEARANCE. COMBUSTIBLE INSULATION SHALL BE
<br />SEPARATED MINIMUM 3 INCHES FROM RECESSED LUMINAIRES, FAN MOTORS, AND
<br />OTHER HEAT-PRODUCING DEVICES. (CRC R302.14)
<br />GENERAL MATERIAL SPECIFICATIONS
<br />LUMBER. ALL JOISTS, RAFTERS, BEAMS, AND POSTS 2-INCHES TO 4-INCHES THICK
<br />SHALL BE NO. 2 GRADE DOUGLAS FIR-LARCH OR BETTER. ALL POSTS AND BEAMS 5
<br />INCHES AND THICKER SHALL BE NO. 1 GRADE DOUGLAS FIR-LARCH OR BETTER. STUDS
<br />NOT MORE THAN 8 FEET LONG SHALL BE STUD-GRADE DOUGLAS FIR-LARCH OR
<br />BETTER WHEN SUPPORTING NOT MORE THAN ONE FLOOR, ROOF, AND CEILING. STUDS
<br />LONGER THAN 8 FEET SHALL BE NO. 2 GRADE DOUGLAS FIR-LARCH OR BETTER.
<br />1. CONCRETE. CONCRETE SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF
<br />3,000 PSI AT 28 DAYS AND SHALL CONSIST OF 1 PART CEMENT, 3 PARTS SAND, 4
<br />PARTS 1-INCH MAXIMUM SIZE ROCK, AND NOT MORE THAN 7-1/2 GALLONS OF
<br />WATER PER SACK OF CEMENT. (CRC R402.2)
<br />2. MORTAR. MORTAR USED IN CONSTRUCTION OF MASONRY WALLS, FOUNDATION
<br />WALLS, AND RETAINING WALLS SHALL CONFORM TO ASTM C 270 AND SHALL
<br />CONSIST OF 1 PART PORTLAND CEMENT, 2-1/4 TO 3 PARTS SAND, AND 1/4 TO 1/2
<br />PART HYDRATED LIME. (CRC CHAPTER 4)
<br />3. GROUT. GROUT SHALL CONFORM TO ASTM C 476 AND SHALL CONSIST OF 1 PART
<br />PORTLAND CEMENT, 1/10 PART HYDRATED LIME, 2-1/4 TO 3 PARTS SAND, AND 1 TO
<br />2 PARTS GRAVEL. GROUT SHALL ATTAIN A MINIMUM COMPRESSIVE STRENGTH OF
<br />2,000 PSI AT 28 DAYS. (CRC CHAPTER 4)
<br />4. MASONRY. MASONRY UNITS SHALL COMPLY WITH ASTM C 90 FOR LOAD-BEARING
<br />CONCRETE MASONRY UNITS. (CRC CHAPTER 4)
<br />5. REINFORCING STEEL. REINFORCING STEEL USED IN CONSTRUCTION OF
<br />REINFORCED MASONRY OR CONCRETE STRUCTURES SHALL BE DEFORMED AND
<br />COMPLY WITH ASTM A 615. (CRC CHAPTER 4)
<br />6. STRUCTURAL STEEL. STEEL USED AS STRUCTURAL SHAPES SUCH AS
<br />WIDE-FLANGE SECTIONS, CHANNELS, PLATES, AND ANGLES SHALL COMPLY WITH
<br />ASTM A36. PIPE COLUMNS SHALL COMPLY WITH ASTM A53. STRUCTURAL TUBES
<br />SHALL COMPLY WITH ASTM A500, GRADE B.
<br />7. FASTENERS FOR PRESERVATIVE-TREATED WOOD. FASTENERS FOR
<br />PRESERVATIVE-TREATED AND FIRE-RETARDANT-TREATED WOOD - INCLUDING
<br />NUTS AND WASHERS -- SHALL BE OF HOT DIPPED ZINC-COATED GALVANIZED
<br />STEEL, STAINLESS STEEL, SILICON BRONZE, OR COPPER. (CRC R317.3.1)
<br />EXCEPTION: 1/2-INCH DIAMETER OR GREATER STEEL BOLTS
<br />EXCEPTION: FASTENERS OTHER THAN NAILS AND TIMBER RIVETS MAY BE OF
<br />MECHANICALLY DEPOSITED ZINC-COATED STEEL WITH COATING WEIGHTS IN
<br />ACCORDANCE WITH ASTM B 695, CLASS 55 MINIMUM
<br />EXCEPTION: PLAIN CARBON STEEL FASTENERS ACCEPTABLE IN SBX/DOT AND ZINC
<br />BORATE PRESERVATIVE-TREATED WOOD IN AN INTERIOR, DRY ENVIRONMENT
<br />8. 9. FASTENERS FOR FIRE-RETARDANT-TREATED WOOD. FASTENERS FOR
<br />FIRE-RETARDANT-TREATED WOOD USED IN EXTERIOR APPLICATIONS OR WET OR
<br />DAMP LOCATIONS SHALL BE OF HOT DIPPED ZINC-COATED GALVANIZED STEEL,
<br />STAINLESS STEEL, SILICON BRONZE, OR COPPER. (CRC R317.3.3)
<br />9.
<br />ROOFING AND WEATHERPROOFING
<br />1. THE ENTIRE ROOF COVERING OF EVERY EXISTING STRUCTURE WHERE MORE
<br />THAN 50 PERCENT OF THE TOTAL ROOF AREA IS REPLACED WITHIN ANY ONE-YEAR
<br />PERIOD, THE ENTIRE ROOF COVERING OF EVERY NEW STRUCTURE, AND ANY
<br />ROOF COVERING APPLIED IN THE ALTERATION, REPAIR OR REPLACEMENT OF THE
<br />ROOF OF EVERY EXISTING STRUCTURE, SHALL BE A FIRE-RETARDANT ROOF
<br />COVERING THAT IS AT LEAST CLASS C. (CRC R902.1.3)
<br />2. ROOF FLASHING. FLASHING SHALL BE INSTALLED AT WALL AND ROOF
<br />INTERSECTIONS, AT GUTTERS, WHEREVER THERE IS A CHANGE IN ROOF SLOPE
<br />OR DIRECTION, AND AROUND ROOF OPENINGS. WHERE FLASHING IS OF METAL,
<br />THE METAL SHALL BE CORROSION-RESISTANT WITH A THICKNESS OF NOT LESS
<br />THAN 0.019 INCH (NO. 26 GALVANIZED SHEET). (CRC R903.2.1)
<br />3. CRICKETS AND SADDLES. A CRICKET OR SADDLE SHALL BE INSTALLED ON THE
<br />RIDGE SIDE OF ANY CHIMNEY OR PENETRATION MORE THAN 30 INCHES WIDE AS
<br />MEASURED PERPENDICULAR TO THE SLOPE. CRICKET OR SADDLE COVERING
<br />SHALL BE SHEET METAL OR THE SAME MATERIAL AS THE ROOF COVERING. (CRC
<br />R903.2.2)
<br />4. WATER-RESISTIVE BARRIER. A MINIMUM OF ONE LAYER OF NO. 15 ASPHALT FELT
<br />SHALL BE ATTACHED TO STUDS OR SHEATHING OF ALL EXTERIOR WALLS. SUCH
<br />FELT OR MATERIAL SHALL BE APPLIED HORIZONTALLY, WITH THE UPPER LAYER
<br />LAPPED OVER THE LOWER LAYER MINIMUM 2 INCHES. WHERE JOINTS OCCUR,
<br />FELT SHALL BE LAPPED MINIMUM 6 INCHES. THE FELT SHALL BE CONTINUOUS TO
<br />THE TOP OF WALLS AND TERMINATED AT PENETRATIONS AND BUILDING
<br />APPENDAGES IN A MANNER TO MAINTAIN A WEATHER-RESISTANT EXTERIOR WALL
<br />ENVELOPE. (CRC R703.2)
<br />5. WALL FLASHING. APPROVED CORROSION-RESISTANT FLASHING SHALL BE APPLIED
<br />SHINGLE FASHION AT THE FOLLOWING LOCATIONS TO PREVENT ENTRY OF WATER
<br />INTO THE WALL CAVITY OR PENETRATION OF WATER TO THE BUILDING
<br />STRUCTURAL FRAMING COMPONENTS (CRC R703.8):
<br />a.EXTERIOR DOOR AND WINDOW OPENINGS, EXTENDING TO THE SURFACE OF THE
<br />EXTERIOR WALL FINISH OR TO THE WATER-RESISTIVE BARRIER FOR
<br />SUBSEQUENT DRAINAGE
<br />b.AT THE INTERSECTION OF CHIMNEYS OR OTHER MASONRY CONSTRUCTION WITH
<br />FRAME OR STUCCO WALLS, WITH PROJECTING LIPS ON BOTH SIDES UNDER
<br />STUCCO COPINGS
<br />c.UNDER AND AT THE ENDS OF MASONRY, WOOD, OR METAL COPINGS AND SILLS
<br />d.CONTINUOUSLY ABOVE ALL PROJECTING WOOD TRIM
<br />e.WHERE EXTERIOR PORCHES, DECKS, OR STAIRS ATTACH TO A WALL OR FLOOR
<br />ASSEMBLY OF WOOD-FRAME CONSTRUCTION
<br />f.AT WALL AND ROOF INTERSECTIONS
<br />g.AT BUILT-IN GUTTERS
<br />6. DAMPPROOFING. DAMPPROOFING MATERIALS FOR FOUNDATION WALLS
<br />ENCLOSING USABLE SPACE BELOW GRADE SHALL BE INSTALLED ON THE
<br />EXTERIOR SURFACE OF THE WALL, AND SHALL EXTEND FROM THE TOP OF THE
<br />FOOTING TO FINISHED GRADE. (CRC R406.1)
<br />7. WEEP SCREED. A MINIMUM 0.019-INCH (NO. 26 GALVANIZED SHEET GAGE),
<br />CORROSION-RESISTANT WEEP SCREED OR PLASTIC WEEP SCREED WITH A
<br />MINIMUM VERTICAL ATTACHMENT FLANGE OF 3-1/2 INCHES SHALL BE PROVIDED
<br />AT OR BELOW THE FOUNDATION PLATE LINE ON EXTERIOR STUD WALLS IN
<br />ACCORDANCE WITH ASTM C 92. THE WEEP SCREED SHALL BE PLACED A MINIMUM
<br />4 INCHES ABOVE THE EARTH OR 2 INCHES ABOVE PAVED AREAS AND SHALL BE OF
<br />A TYPE ALLOWING TRAPPED WATER TO DRAIN TO THE EXTERIOR OF THE
<br />BUILDING. (CRC R703.7.2.1)
<br />8.
<br />PLUMBING FIXTURES
<br />1. PLUMBING FIXTURES TO COMPLY W/ CONSERVATION FLOW RATES:\
<br />SHOWERHEAD - 1.8 GPM @ 80 PSI
<br />LAVATORY FAUCETS - 1.2 GPM @ 60 PSI
<br />KITCHEN FAUCETS - 1.8 GPM @ 60 PSI
<br />WATER CLOSET - 1.28 GPF
<br />URINALS - .5 GPF
<br />WALL MOUNTED URINALS - .125 GPF
<br />MULTIPLE SHOWER HEAD - 2.0 GPM @ 80 PSI
<br />FOR ALL COMBINED SHOWERHEAD, LAVATORY FAUCETS IN PUBLIC AREAS - .5
<br />GPM @ 60 PSI METERING FAUCETS - .25 GALLONS PER CYCLE
<br />2. GFIC OUTLET IF LESS THAN 6' AWAY FROM WATER, (SINK)
<br />3. ALL SHOWER AND TUB-SHOWER SHALL HAVE A PRESSURE BALANCE
<br />THERMOSTATIC MIXING VALVE OR A COMBINATION PRESSURE BALANCE
<br />THERMOSTATIC MIXING TYPE VALVE
<br />4. WALL COVERING SHALL BE CEMENT PLASTER, TILE OR APPROVED EQUAL TO 72"
<br />INCHES ABOVE DRAIN AT SHOWERS OR TUBS WITH SHOWER. MATERIALS OTHER
<br />THAN STRUCTURAL ELEMENTS SHALL BE MOISTURE RESISTANT. GLASS
<br />ENCLOSURE DOORS AND PANELS MUST BE LABELED CATEGORY II SWING DOOR
<br />OUTWARD. NET AREA OF SHOWER RECEPTOR SHALL NOT BE LESS THAN 1,024 SQ
<br />IN OF FLOOR AREA, AND ENCOMPASS 30" DIA CIRCLE
<br />ELECTRICAL/ MECHANICAL
<br />1. ELECTRICAL PLAN IS FOR SCHEMATIC LOCATION OF ELECTRICAL OUTLETS AND
<br />LIGHT FIXTURES. VERIFY EXACT LOCATIONS W/ OWNER PRIOR TO INSTALLATION.
<br />INSTALLATION MUST BE PER 2019 ELECTRICAL CODE
<br />2. ALL BRANCH CIRCUIT AND RECEPTACLES OUTLETS IN BEDROOM SHALL BE
<br />PROTECTED BY AND ARC-FAULT CIRCUIT-INTERRUPTER 2019 CEC
<br />3. CONTRACTOR TO VERIFY LOCATIONS W/ HOME OWNER
<br />4. GENERAL LIGHTING IN KITCHEN SHALL HAVE LAMPS W/ AN EFFICACY OF NOT LESS
<br />THAN 40 LUMENS PER WATT. GENERAL LIGHTING MUST PROVIDE A SUFFICIENT
<br />LIGHT LEVEL FOR BASIC KITCHEN TASKS AND PROVIDE A UNIFORM PATTERN OF
<br />ILLUMINATION. THE HIGH-EFFICIENCY LUMINARIES SHALL BE SWITCHED AT AN
<br />ENTRANCE TO THE KITCHEN
<br />7. EACH ROOM CONTAINING A SHOWER OR BATHTUB SHALL HAVE AT LEAST ONE
<br />LUMINARIES W/ LAMP(S) W/ AN EFFICACY OF 40 LUMENS PER WATT OR GREATER IF
<br />THERE IS MORE THAN ONE LUMINARIES IN THE ROOM, THE HIGH-EFFICACY
<br />LUMINARIES SHALL BE SWITCHED AT AN ENTRANCE OF THE ROOM.
<br />8. G.F.C.I PROTECTION FOR RECEPTACLES SERVING WET BAR COUNTERTOP
<br />SURFACES AND LOCATED WITHIN 6' OF THE OUTSIDE EDGE OF WET BAR SINK
<br />9. BRANCH CIRCUITS THAT SUPPLY 125 - VOLT, SINGLE PHASE, 15-20 AMPERE
<br />RECEPTACLES OUTLETS INSTALLED IN DWELLING UNIT BEDROOMS SHALL BE
<br />PROTECTED BY AN ARC-FAULT CIRCUIT INTERRUPTER (CEC 210-12)
<br />10.PROVIDE 20' UFER GROUND IN FOOTING
<br />11.HIGH EFFICACY LUMINAIRES MUST BE PIN BASED
<br />12.TRANSFER AIR. VENTILATION AIR SHALL BE PROVIDED DIRECTLY FROM THE
<br />OUTDOORS AND NOT AS TRANSFER AIR FROM ADJACENT DWELLING UNITS OR
<br />OTHER SPACES, SUCH AS GARAGES, UNCONDITIONED CRAWLSPACES, OR
<br />UNCONDITIONED ATTICS. (CBEES 150.0(O))
<br />13.INSTRUCTIONS AND LABELING. VENTILATION SYSTEM CONTROLS SHALL BE LABELED
<br />AND THE HOME OWNER SHALL BE PROVIDED WITH INSTRUCTIONS ON HOW TO
<br />OPERATE THE SYSTEM. (CBEES 150.0(O))
<br />14.COMBUSTION AND SOLID-FUEL BURNING APPLIANCES. COMBUSTION APPLIANCES
<br />SHALL BE PROPERLY VENTED AND AIR SYSTEMS SHALL BE DESIGNED TO PREVENT
<br />BACK DRAFTING. (CBEES 150.0(O))
<br />15.GARAGES. THE WALL AND OPENINGS BETWEEN OCCUPIABLE SPACES AND THE
<br />GARAGE SHALL BE SEALED. HVAC SYSTEMS THAT INCLUDE AIR HANDLERS OR
<br />RETURN DUCTS LOCATED IN GARAGES SHALL HAVE TOTAL AIR LEAKAGE OF NO
<br />MORE THAN 6% OF TOTAL FAN FLOW WHEN MEASURED AT 0.1 IN. W.C. USING
<br />CALIFORNIA TITLE 24 OR EQUIVALENTS. (CBEES 150.0(O))
<br />16.MINIMUM FILTRATION. MECHANICAL SYSTEMS SUPPLYING AIR TO OCCUPIABLE
<br />SPACE THROUGH DUCTWORK SHALL BE PROVIDED WITH A FILTER HAVING A
<br />MINIMUM EFFICIENCY OF MERV 6 OR BETTER. (CBEES 150.0(O))
<br />17.AIR INLETS. AIR INLETS (NOT EXHAUST) SHALL BE LOCATED AWAY FROM KNOWN
<br />CONTAMINANTS. (CBEES 150.0(O))
<br />18.AIR MOVING EQUIPMENT. AIR MOVING EQUIPMENT USED TO MEET EITHER THE
<br />WHOLE-BUILDING VENTILATION REQUIREMENT OR THE LOCAL VENTILATION
<br />EXHAUST REQUIREMENT SHALL BE RATED IN TERMS OF AIRFLOW AND SOUND.
<br />(CBEES 150.0(O))
<br />a.ALL CONTINUOUSLY OPERATING FANS SHALL BE RATED AT A MAXIMUM OF 1.0
<br />SONE.
<br />b.INTERMITTENTLY OPERATED WHOLE-BUILDING VENTILATION FANS SHALL BE
<br />RATED AT A MAXIMUM OF 1.0 SONE.
<br />c.INTERMITTENTLY OPERATED LOCAL EXHAUST FANS SHALL BE RATED AT MAXIMUM
<br />OF 3.0 SONE.
<br />d.REMOTELY LOCATED AIR-MOVING EQUIPMENT (MOUNTED OUTSIDE OF HABITABLE
<br />SPACES) NEED NOT MEET SOUND REQUIREMENTS IF AT LEAST 4 FEET OF
<br />DUCTWORK BETWEEN FAN AND INTAKE GRILL.
<br />19.EXTERIOR LIGHTING. ALL PROJECTS SHALL COMPLY WITH LOCAL LIGHTING
<br />ORDINANCE.
<br />20.GFCI OUTLETS. GROUND FAULT CIRCUIT INTERRUPTER (GFCI) OUTLETS ARE
<br />REQUIRED IN BATHROOMS, AT KITCHEN COUNTERTOPS, AT LAUNDRY AND WET BAR
<br />SINKS, IN GARAGES, IN CRAWLSPACES, IN UNFINISHED BASEMENTS, AND
<br />OUTDOORS. (CEC 210.8)
<br />1. AFCI OUTLETS. ELECTRICAL CIRCUITS IN BEDROOMS, LIVING ROOMS, DINING
<br />ROOMS, DENS, CLOSETS, HALLWAYS, OR SIMILAR ROOMS MUST BE PROTECTED BY
<br />ARC FAULT CIRCUIT INTERRUPTERS (AFCI). (CEC 210.12)
<br />2. LUMINAIRE REQUIREMENTS. INSTALLED LUMINAIRES SHALL MEET THE EFFICACY
<br />AND FIXTURE REQUIREMENTS OF CBEES 150.0(K).
<br />3. SMOKE DETECTORS IN BUILDING REMODELS. SMOKE DETECTORS ARE REQUIRED IN
<br />EACH EXISTING SLEEPING ROOM, OUTSIDE EACH SEPARATE SLEEPING AREA IN THE
<br />IMMEDIATE VICINITY OF SLEEPING ROOMS, AND ON EACH STORY OF A DWELLING
<br />INCLUDING BASEMENTS. BATTERY-OPERATED DETECTORS ARE ACCEPTABLE IN
<br />EXISTING AREAS WITH NO CONSTRUCTION TAKING PLACE AND IN ALTERATIONS NOT
<br />RESULTING IN REMOVAL OF INTERIOR WALL OR CEILING FINISHES AND WITHOUT
<br />ACCESS VIA AN ATTIC, CRAWL SPACE, OR BASEMENT. (CRC R314.3)
<br />4. CARBON MONOXIDE DETECTORS IN BUILDING REMODELS. CARBON MONOXIDE
<br />DETECTORS ARE REQUIRED OUTSIDE EACH SEPARATE SLEEPING AREA IN THE
<br />IMMEDIATE VICINITY OF SLEEPING ROOMS AND ON EACH STORY OF A DWELLING
<br />INCLUDING BASEMENTS. BATTERY-OPERATED DETECTORS ARE ACCEPTABLE IN
<br />EXISTING AREAS WITH NO CONSTRUCTION TAKING PLACE AND IN ALTERATIONS NOT
<br />RESULTING IN REMOVAL OF INTERIOR WALL OR CEILING FINISHES AND WITHOUT
<br />ACCESS VIA AN ATTIC, CRAWL SPACE, OR BASEMENT. (CRC R315.3)
<br />5. WATER HEATER SEISMIC STRAPPING. MINIMUM TWO 3/4-INCH-BY-24-GAUGE STRAPS
<br />REQUIRED AROUND WATER HEATERS, WITH 1/4-INCH-BY-3-INCH LAG BOLTS
<br />ATTACHED DIRECTLY TO FRAMING. STRAPS SHALL BE AT POINTS WITHIN UPPER
<br />THIRD AND LOWER THIRD OF WATER HEATER VERTICAL DIMENSION. LOWER
<br />CONNECTION SHALL OCCUR MINIMUM 4 INCHES ABOVE CONTROLS. (CPC 507.2)
<br />6. GAS APPLIANCES IN GARAGES. WATER HEATERS AND HEATING/COOLING
<br />EQUIPMENT CAPABLE OF IGNITING FLAMMABLE VAPORS SHALL BE PLACED ON
<br />MINIMUM 18-INCH-HIGH PLATFORM UNLESS LISTING REPORT NUMBER PROVIDED
<br />SHOWING IGNITION-RESISTANT APPLIANCE. (CPC 507.13 AND CMC 305.1)
<br />7. IMPACT PROTECTION OF APPLIANCES. WATER HEATERS AND HEATING/COOLING
<br />EQUIPMENT SUBJECT TO VEHICULAR IMPACT SHALL BE PROTECTED BY BOLLARDS
<br />OR AN EQUIVALENT MEASURE. (CPC 507.13.1 AND CMC 305.11)
<br />8. WATER CLOSET CLEARANCE. MINIMUM 30-INCH-WIDE BY 24-INCH-DEEP CLEARANCE
<br />REQUIRED AT FRONT OF WATER CLOSETS. (CPC 402.5)
<br />9. SHOWER SIZE. SHOWER COMPARTMENTS SHALL HAVE MINIMUM AREA OF 1024
<br />SQUARE INCHES AND BE ABLE TO ENCOMPASS A 30-INCH-DIAMETER CIRCLE.
<br />SHOWER DOORS SHALL HAVE A MINIMUM 22-INCH UNOBSTRUCTED WIDTH. (CPC
<br />408.5 AND CPC 408.6)
<br />10.FIREPLACE APPLIANCES. FIREPLACES WITH GAS APPLIANCES ARE REQUIRED TO
<br />HAVE THE FLUE DAMPER PERMANENTLY FIXED IN THE OPEN POSITION AND
<br />FIREPLACES WITH LPG APPLIANCES ARE TO HAVE NO 'PIT' OR 'SUMP'
<br />CONFIGURATIONS. (CMC 303.7.1)
<br />11.CHIMNEY CLEARANCE. MINIMUM 2-FOOT CHIMNEY CLEARANCE REQUIRED ABOVE
<br />BUILDING WITHIN 10-FOOT HORIZONTALLY OF CHIMNEY. THE CHIMNEY SHALL
<br />EXTEND MINIMUM 3 FEET ABOVE HIGHEST POINT WHERE CHIMNEY PASSES
<br />THROUGH ROOF. (CRC R1003.9)
<br />CALGREEN REQUIREMENTS
<br />APPLICABILITY. CALGREEN RESIDENTIAL MANDATORY MEASURES SHALL APPLY TO
<br />EVERY NEWLY CONSTRUCTED BUILDING OR STRUCTURE AND WITHIN ANY
<br />ADDITION OR ALTERATION INCREASING A BUILDING'S CONDITIONED AREA, VOLUME,
<br />OR SIZE. (CALGREEN 101.3, CALGREEN 301.1.1)
<br />EXCEPTION: ALL RESIDENTIAL BUILDINGS UNDERGOING PERMITTED
<br />ALTERATIONS,ADDITIONS, OR IMPROVEMENTS SHALL REPLACE
<br />NONCOMPLIANT PLUMBING FIXTURES WITH WATER-CONSERVING PLUMBING
<br />FIXTURES PER CALGREEN 301.1.1 AND CALGREEN 4.303.1
<br />1.
<br />WOOD FRAMING CONT.
<br />2515 & 2517 N
<br />Cotter St5/1/2025
|