No Permit51660 Avenida Martinez
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BUILDING & SAFETY DEPARTMENT
CONDIT/
STRUCTION
UBJECT TO INSTALL"N
AS PER
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Jr G 10 . cji 0 F,,n G Liu re Chapter 49
Y PATIO COVERS
To 'PooI/t/
nt Patio Covers Defined
n ( r Sec. 4901. Patio covers are one-story structures not exceeding 12 feet in height.
di (Ttv h Enclosure walls may have any configuration, provided the open area of the longer
wall and one additional wall is equal to at least 65 percent of the area below a mini-
fy mum of 6 feet 8 inches of each wall, measured from the floor. Openings may be en-
_ _• r C ry C,,-l f , closed with insect screening or plastic that is readily removable translucent or
at ( j transparent plastic not more than 0.125 inch in thickness.
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--- S p wN Patio covers may be detached or attached to other buildings as accessories to
sI (/1(PS S Group M: Group R, Division 3; or to single dwelling units in Group R, Division
_ ►►I1 Occupancies. Patio covers shall be used only for recreational, outdoor living pur-
dc C CQ ` "h vQ 1 to j poses and not as carports, garages, storage rooms or habitable rooms.
i ` r Design Loads
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Sec. 4902. Patio covers shall be designed and constructed to sustain, within the
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1 ` stress limits of this code, all dead loads plus a minimum vertical live load of 10
1pounds per square foot except that snow loads shall be used where such snow loads
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' ser- 7tv h exceed this minimum. Such covers shall be designed to resist the minimum hori-
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zontal wind loads set forth in this code, except that where less than 12 feet high, the
horizontal wind load shall be as indicated in Table No. 49-A. In addition, they shall
be designed to support a minimum wind uplift equal to the horizontal wind load
acting vertical upward normal to the roof surface, except that for structures not
more than 10 feet above grade the uplift may be three fourths of the horizontal wind
load. When enclosed with insect screening or plastic that is readily removable
translucent or transparent plastic not more than 0.125 inch in thickness, wind loads
shall be applied to the structure, assuming it is fully enclosed.
Light and Ventilation
Sec. 4903. Windows required for light and ventilation may open into a patio
structure conforming to Section 4901.
Footings
Sec. 4904. A patio cover may be supported on a concrete slab on grade without
footings, provided the slab is not less than 31/2 inches thick and further provided
that the columns do not support live and dead loads in excess of 750 pounds per col-
umn.
TARt F Nn d9.A—nFCIr:N WINn oiaFCCIICCC CAC ow rin rnven l
HEIGHT ZONE
IN FEET
WINDS EED AP AREAS (miles per hour)
70
1 90 1 90
1 100
1 110
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130
Less than 12
10
1 13 1 15
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zontal wind loads set forth in this code, except that where less than 12 feet high, the
horizontal wind load shall be as indicated in Table No. 49-A. In addition, they shall
be designed to support a minimum wind uplift equal to the horizontal wind load
acting vertical upward normal to the roof surface, except that for structures not
more than 10 feet above grade the uplift may be three fourths of the horizontal wind
load. When enclosed with insect screening or plastic that is readily removable
translucent or transparent plastic not more than 0.125 inch in thickness, wind loads
shall be applied to the structure, assuming it is fully enclosed.
Light and Ventilation
Sec. 4903. Windows required for light and ventilation may open into a patio
structure conforming to Section 4901.
Footings
Sec. 4904. A patio cover may be supported on a concrete slab on grade without
footings, provided the slab is not less than 31/2 inches thick and further provided
that the columns do not support live and dead loads in excess of 750 pounds per col-
umn.
TARt F Nn d9.A—nFCIr:N WINn oiaFCCIICCC CAC ow rin rnven l
HEIGHT ZONE
IN FEET
WINDS EED AP AREAS (miles per hour)
70
1 90 1 90
1 100
1 110
1 120
130
Less than 12
10
1 13 1 15
LJ9 A
23
1 27
1 32
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