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PROJECTION 12.The roof panels shall have a slope between 0.25'and 1"per foot.
<br /> Aftri".. _
<br /> _=TRIB WIDTH 13.All steel shall be galvanized ASTM A-653 090,A123 G45 or A153 B-3,painted ASTM A755 or use an approved
<br /> • 1- TRIB WIDTH • TRIBUTARY WIDTH coating complying with IBC section 2203.2. Paint inside of all embedded posts from the bottom to 12"above grade. Revi
<br /> 'i0"'
<br /> = I Where aluminum is In contact with dissimilar metals(other than stainless,aluminized or galvanized steel)or absorbent
<br /> building materials,likely to be continuously or Intermittently wet,the laying surfaces shall be painted or otherwise
<br /> __= OVERHANG I, separated In accordance with the Aluminum Design Manual Section M.7.
<br /> `~-, 14.Wind velocity and Ground Snow/Live load are identified in all of the relevant tables. Roof snow loads have been
<br /> determined in accordance with ASCE7-10 Section 7.3. Ct=1.2, I=1.0,Ce=1.0(All exposures except B and C when
<br /> c{c.
<br /> _to. , located tight among conifers)
<br /> X EXISTING Ground Snow LoadApplied Roof Load V)(rt
<br /> > _, STRUCTURE 10 psi 10 psi LIVE OR GROUND SNOW f""
<br /> 20 psf 20 paf LIVE OR GROUND SNOW
<br /> 25 psf 21 psf DESIGN ROOF SNOW LOAD P
<br /> PROJECTION 30 psf 25.2 psf DESIGN ROOF SNOW LOAD O vr 1
<br /> 1-•- TRIB WIDTH TRIBUTARY WIDTH 35.7 pat 30.0 psf DESIGN ROOF SNOW LOAD (15
<br /> TRIBUTARY -~'I 42 35.3I
<br /> psi psf DESIGN ROOF SNOW LOAD „leo C: p>-,WIDTH I 50 psi 42.0 psf DESIGN ROOF SNOW LOAD a a
<br /> DIAGRAM 60 psi 50.4 psi DESIGN ROOF SNOW LOAD ce
<br /> a
<br /> WIND SPEEDS IN THE 2015 IBC ARE"ULTIMATE DESIGN WIND SPEED." ALL STRUCTURES DESCRIBED IN THIS ��,,ee,� Z
<br /> REPORT ARE DESIGNED USING PRESSURES CALCULATED FROM"ULTIMATE DESIGN WIND SPEEDS"FOR I`"a"°_'- q i r,
<br /> RiSK CATEGORY II. FOR ATTACHED STRUCTURES THE MAXIMUM MEAN ROOF HEIGHT OF THE EXISTING '0 5 n
<br /> STRUCTURE IS 30'. Kzt WAS ASSUMED AS 1.0 FOR ALL WIND LOADS. SITE LOCATIONS REQUIRING A laz
<br /> General Notes HIGHER Kzt VALUE(ISOLATED HILLS, RIDGES,ESCARPMENTS)WiLL REQUIRE HIGHER WIND LOADS AS D (11.:11 k z
<br /> PER ASCE7-10 SECTION 26.8 AND ARE OUTSIDE THE SCOPE OF THIS REPORT. Li..CX) y E,I r
<br /> 1.Structural design per the 2015 International Building Code basic load combinations described in
<br /> 41-N201
<br /> Section 1605.3.1 and no Increases are permitted for resisting wind or seismic forces. Aluminum NOTE: EXPOSURE B:SHALL APPLY WHEN THE GROUND SURFACE ROUGHNESS CATEGORY B(URBAN AND -- W> -
<br /> design In accordance with the 2015 edition of the Aluminum Association's specifications and SUBURBAN AREAS,WOODED AREAS,OR OTHER TERRAIN W/NUMEROUS CLOSELY SPACED -1- ca 8
<br /> OBSTRUCTIONS HAVING THE SIZE OF A SINGLE FAMILY DWELLING OR LARGER)PREVAILS IN THE UPWIND --' Imo cr
<br /> Chapter 20 of the IBC. Patio Covers as defined In IBC Appendix I shall be used only for DIRECTION FOR A DISTANCE OF AT LEAST 1500 FT.
<br /> 4.In x... G
<br /> recreational,outdoor living purposes and not as carports,garages,storage rooms or habitable `
<br /> rooms. Commercial Covers may be used for these purposes. Carports must have at least two EXPOSURE C:SHALL APPLY WHEN EXPOSURE B AND 0(SMOOTH MUD FLATS,SALT FLATS,UNBROKEN IC r ,SINAL 7
<br /> opens sides and have floor surfaces made of approved noncombustible material or asphalt. AND OTHER)DO NOT. p� �G ��
<br /> � EN: �
<br /> 2.At least one horizontal dimension(projection or width)of cover shall be less than 30', rvr Q 4
<br /> SEISMIC LOADING: �a0 4
<br /> 3.Concrete will meet the durability requirements of ACI-318-14 and have a minimum compressive MAXIMUM Ss=150%SHOWN IN 2015 IBC FIGURE 1613.3.1(1) rags• - Ip
<br /> strength(fc)of 2500 psi. Patio structures may be attached to concrete slab without footingsr.,
<br /> Ss>150%ARE NOT REQUIRED AS PER ASCE7-1012.8.1.3 ,I P t 2'14
<br /> when the post load Is 750 Ibf or less and the frost depth is zero. Concrete shall be set back a 4, I •7
<br /> S1 NOT APPLICABLE TO THESE STRUCTURES N O
<br /> minimum of 4"from edge or expansion joint of a slab. Posts attached on slab will conform to
<br /> SITE CLASS=D �►
<br /> Details LA35,MU100 or MU102. A r F pF t� 4.4.Each application shall show a complete plot plan of the property and buildings. Circle the post BASIC SEISMIC FORCE DRINTO FONG SYSTEM {:lgsbp0 !ill T� P
<br /> spacing,span,etc., In the tables that fit that particular job. POSTS EMBEDDED INTO FOOTINGS=ORDINARY STEEL MOMENT FRAME» R=1.25 ��;y
<br /> POSTS SURFACE MOUNTED=GENERIC SYSTEM»R=1.25 °NAL- , 0 'R l`e
<br /> 5.Each installation shall bear an Identifying decal giving the name and address of mfgr., live or ANALYSIS PROCEDURE=EQUIVALENT LATERAL FORCE PROCEDURE `t�le, i GINE t. thio
<br /> snow load, design wind speed and . r '•
<br /> g p exposure and ICG ESR number. These roofs are not subject to malntainance workers and have not been evaluated for a 300 lbf conks � =ted lo= .. � �►
<br /> 6.Light gauge steel shall be per ASTM A853 unless otherwise specified. Grade will be specified Maximum mean roof height of existing structure for attached units is 30'. •580PE r
<br /> under individual details. Thickness Is bare steel. Negative thickness tolerance is-5%. 15.The width of single span attached solid cover structures must be at least 100%of the projection.
<br /> 7.Alternate alum.alloys may be substituted for those specified provided they are referenced In the 16.Multiple span units are allowed. ij `. Air,
<br /> 2015 ADM with equal or greater guaranteed minimum properties(Ftu, Fty,Fey and E). 17.All structures must comply with one of the following: `
<br /> Thickness Indicated Is bare metal and negative tolerance must comply with ANSI H35.2. 3004 �i e '7
<br /> All structures with a roof snow load of S0 psf or less may bs built In Sslsmic Design Cats• •ry(SDC) !�y, �'� '�
<br /> H24 may be subsituted for 30041134. Aa. .D up to the maximum Ss noted in General Nob#14. �1. e,y -
<br /> 8.Lag screws shall be placed In holes prebored 70%diem. For concrete block construction,place b. Structures with flat roof design snow loads over 30 psi complying with IBC Section 1813.1 o• 1
<br /> masonry anchors as per the installation instructions. do not require additional seismic analysis. IX 'E �na=y�p+PL�
<br /> 9. Drainage which otherwise would go over a public sidewalk shall be collected and diverted under c. Structures not complying with(a)or(b)must have constrained footings and are limited by the Ss CARLPUTNANPCOMCAST.NET
<br /> , sidewalk.
<br /> 10. Structures may not be enclosed unless additional engineering is provided or by approval of the shown In Sections 2.0 or 5.0. 1
<br /> local building authority. 18.All aluminum and steel solid panels are class A fire rated as indicated in IBC Section 1505.2 Exception#2.
<br /> 11.A geotechnical Investigation Is not necessary unless required by 1803.2 of the 2012 IBC. Soil Is 19.AN screws are self drilling(SOS)or sheet metal(SMS)and In conformance with ICC ESRs 1271,1408, 1976.2196, o CMP
<br /> assumed to be Class 5 of Table 1808.2 of the 2015 IBC. Bearing 1500 psf vert., 100 psf/ft.horiz 3006,3215,3223,3294,3332,3528,3558,or equivalent and use head diameters equal to#84",#10=1",#124"and amok 111
<br /> and doubled as per 1806.3.4. These design values do not #14 or steel washers with similar diameters. All bolts are ASTM A307. All wood screws must comply with Dab
<br /> CMP
<br /> g apply to mud,organic silts,organic �` p y
<br /> clays,peat or unprepared fills and may require further soil Investigation.The building official may ANSI/ASME Standard B1811.1 and AWC NDS-201511.1.5. All lag screws must comply with ANSi/ASME B18.2.1 and
<br /> assign a load bearing madly. Units Ina snow load area of 25 psi or less may be built on 1000 AWC NDS 11.1A. Alf washers are ASTM F844 w/Dimensions complying with ASME B18.22.1 Type A. Steel nuts to FhwitsAGNoLDva
<br /> psf bearing soil w/o additional engineering. Minimum footing depth is the local frost depth. be ASTM A583. The minimum washer diameter for bolted connections Is 1". All fasteners will have a minimum edge „I,
<br /> distant of 2x the fastener diameter. ,
<br /> ikiititakFour Seasons ICC ESR IMS(20161SC1 1/26!2077 P 1 die 4
<br /> -?-32J _
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