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<br /> � PROJECTI�N 12.The roof panels shali have a siope befinreen 0.25"and 1"per_foot.
<br /> �� TRIB WIDTH 13.All steel shall be gaivanized ASTM A-653 G90,A123 G45 or A153 B-3, painted ASTM A755 or use an approved
<br /> TRIB WIDTH ---� TRIBUTARY WIDTH coating complying with IBC section 2203.2: Paint inside of alf embedded posts from the bottom to 12"above grade. Re"'g'o"9
<br /> Where aluminum is in contact with dissimilar metals(other than stainless,aluminized or galvanized steel)or absorbent
<br /> building materials, likely to be continuous(y or intermittently wet,the faying surfaces shali be painted or otherwise
<br /> �VERHANG seperated in accordance with the Aluminum Design Manual Section M.7.
<br /> 14.Wind velocity and Ground Snow/Live load are identified in ail of the relevant tables. Roof snow loads have been
<br /> �__ _, determined in accordance with ASCE7-10 Section 7.3. Ct=1.2, t= 1.0, Ce=1.0(All exposures except B and C when
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<br /> located ti,,ht � � ,a � �. ,
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<br /> EXISTING - : ,. �, r� �. _
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<br /> STRUCTURE LIVE OR GROUND SNOW `� Y� �
<br /> 25 psf 21�psf DESIGN OOF SNOWOLOAD M E T A L S
<br /> PROJECTI�N
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<br /> . _ 40 psf 33.6 psf -
<br /> - TRIBUTARY TRIB WIDTH ---� TRIBUTARY :WIDTH 60 psf 50.4 psf DESIGN.ROOF SNOW LOAD . FEB 02 2016
<br /> . WIDTH :
<br /> DIAGRAM WIND SPEEDS IN THE 2012 IBC ARE"ULTIMATE DESIGN WIND SPEED." ALL STRUCTURES DESCRIBED IN THiS i, P�;�.,�.
<br /> REPORT ARE DESIGNED USING PRESSURES CALCULATED FROM"ULTIMATE DESIGN WIND SPEEDS"FOR �t, ''
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<br /> RISK CATEGORY II. FOR ATTACHED STRUCTURES THE MAXIMUM MEAN ROOF HEIGHT OF THE EXISTING I � °�
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<br /> - STRUCTURE IS 30'. Kzt WAS ASSUMED AS 1.0 FOR ALL WIND LOADS. SITE LOCATION3 REQUIRING A �' '�. ��
<br /> HIGHER Kzt VALUE(ISOLATED HILLS,RIDGES, ESCARPMENTS)WILL REQUIRE HIGHER WIND LOADS AS a o
<br /> PER ASCE7-10 SECTION 26.8 AND ARE OUTSIDE THE SCOPE OF TH(S REPORT. - ti �w v
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<br /> General Notes NOTE: EXPOSURE B:SHALL APPLY WHEN THE GROUND SURFACE ROUGHNESS CATEGORY B(URBAN ANd�� 's .��' ALt,� ' A z Z�
<br /> - � SUBURBAN AREAS,WOODED AREAS,OR OTHER TERRAW W/NUMEROUS CLOSELY SPACED ��, '�� � �W ,,�
<br /> 1. e basic load combinations described in OBSTRUCTIONS HAVING THE SIZE OF A SINGLE FAMILY DWELLING OR LARGER)PREVAILS IN THE UPWIND�� ` "'~""'
<br /> Section 1605.3.1 an no�ncreases re pe o resisting wind or seismic forces. Aluminum DIRECTION FOR A DISTANCE OF AT LEAST 150Q FT. � c�! AL Ej��i �j�utD,
<br /> design in accordance with the 2010 edition of the Aluminum Associations s specifications and � F o��,
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<br /> Chapter 20 of the IBC. Patio Covers as defined in IBC Appendix I shall be used only for EXPOSURE C: SHALL APPLY WHEN EXPOSURE B AND D(SMOOTH MUD FLATS, SALT FLATS, UNB ICE �;>, �` �_�
<br /> recreational,outdoor living purposes and not as carports,garages, storage raoms or habitable AND OTHER)DO NOT. pFEss►0
<br /> rooms. Commercial Covers may be used for these purposes. Carports must have at least two SEISMIC LOADING: - o?� P , P-11214
<br /> opens sides and have floor surfaces made of approved noncombustible material or asphalt MAXIMUM Ss= 150%SHOWN IN 2012 IBC FIGURE 1613.3.1(1) .=y�GP �y�' �-- O
<br /> 2.At least one horizontal dimension (projection or width)of cover shall be less than 30': Ss>150%ARE NOT REQUIRED AS PER ASCE7-10 12.8.1.3 � � `" � �OP�
<br /> 3. Concrete mix: Fc=2500,3000 or 3500 psi at 28 days in negligible,moderate and severe � 8 q �,
<br /> S1 NOT APPLICABLE TO THESE STRUCTURES `' � C A(, P N�
<br /> - conditions as shown in Figure 1904.2 of the 2012 IBC. Patio structures may be attached to SITE CLASS=D ' . ' ' ,t :s-3 t5 * _ -
<br /> concrete slab without footings when the post load is 75.0 Ibf or less and the frost depth is zera BASIC SEISMIC FORCE RESISTNG SYSTEM v' E . AOF
<br /> Concrete shall be set back a minimum of 4"from edge or expansion joint of a slab. Posts POSTS EMBEDDED INTO FOOTINGS=ORDINARY STEEL MOMENT FRAME> _ . �'�� ��V� o���P 5��� �NE FSsi �
<br /> 4FCA1.lE � !GN Fi9 O
<br /> attached on slab will conform to Details LA35, MU100 or MU102. POSTS SURFACE MOUNTED=GENERIC SYSTEM»R= 1.25 k, 'L
<br /> 4. Each application shall show a complete plot plan of the pcoperty and buildings. Circle the post _ANALYSIS PROCEDURE=EQUIVALENT LATERAL FORCE PROCEDURE FEB 24 2014 `� 72 8�PE 9r
<br /> - spacing,span,etc., in the tables that fit that pa�ticular job. : These roofs are not subject to maintainance workers and have not been evaluated for a 300 Ibf concentrated load. '
<br /> 5. Each installation shall bear an identifying decaf giving the name and address of mfgr., live or Maximum mean roof height of existing structure for attached units is 30'. - -
<br /> snow load, design wind speed and exposure and ICC ESR number. ::15.The width;of single span attached solid cover structures must be at least 100%of the projection. � OREGON �
<br /> 6. Cight gauge stee!shall be per ASTM A653 unless otherwise specified. Grade will be specified 16. Multi le s an units are allowed. . . G�Y -2po
<br /> under individuat details. Thickness is bare steel. Negative thickness tolerance is-5%. 17.All st uct res must com I with one of the followin : : ` cqA 31 NP�
<br /> 7.Altemate alum:alloys may be substituted for those specified provided they are referenced in the p y g � PU�
<br /> a. All structures with a roof snow load of 30 psf or less may be built in_Seismic Design Category(SDC) -
<br /> 2010 ADM with equal or greater guaranteed minimum properties(Ftu, Fty, Fcy and E). A-D up to the maxtmum Ss noted in General Note#14. - '
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<br /> Thickness indicated is bare metal and negative.tolerance must comply with ANSI H35.2. 3004 p, Structures with flat roof desi n snow loads.over 30 sf com 1 in with IBC Section 1613.1 Exce tion#1 ` � � `
<br /> H24 may be subsituted for 3004 H34.. _ J : p P Y 9 P
<br /> ' do not require additional seismic analysis.
<br /> 8. Lag screws shall be placed in holes prebored 70%diam. For concrete block construction, place c. Structures not com I in with a or b re uire additional en ineerin seismic anal sis. Gorl PutnnM, e.E,. .
<br /> - masonry anchors as per the installation instructions. p y 9 � � � � q g 9 Y 3441 IVYLINK PLACE
<br /> 18.All aluminum and steel solid panels are class A fire rated as indicated in IBC Section 1505.2 Exception#2. �YNCHBUR�, VA 24503
<br /> 9. Drainage which otherwise would go over a pubtic sidewalk shall be collected and diverted under 19:All screws are self drilling (SDSj or sheet metal(SMS}and in conformance with ICC ESR-1976, ESR-2196 O('' ' " CARLPUTNAM2GOMCAST.NeT
<br /> sidewalk. equivalent and use head diameters equal to#8=�",#10-�",#12-�"and#14=�"or steel washers with similar
<br /> 10. Structures may not be endosed unless additional engineering is provided or by approval of the diameters. All bolts are ASTM A307. Atl wood screws must comply with ANSI/ASME Standard B18.6.1 and AF&PA
<br /> local building authority. NDS-05 11.1.4. All!ag screws must comply with ANSI/ASME B18.2.1 and AF&PA NDS 11.1.3. All washers are ASTM °roiwi�' cMp
<br /> 11.A geotechnical investigation is not necessary unless required by 1803.2 of the 2012 IBC. Soil is F844 w/Dimensions complying with ASME B18.22.1 7ype A. SteeF nuts fo be ASTM A563. The minimum washer ' cn«k e�
<br /> assumed to be Class 5 of Table 1806.2 of the 2012 IBC. Bearing 1500 psf vert., 100 psflft.horiz diameter far bolted connections is 1". All fasteners will have a minimum edge distanc of 2x the fastener diameter. cMP "
<br /> and doubled as per 1806.3.4. These design values do not apply to mud,organic silts,organic o�.- _,-.
<br /> clays, peat or unprepared fills and may require further soil irnestigation. The building official may 20. Header splice shall not be focated nearer to the end of the structure than the first interior post.
<br /> 21.UJood us�d in conrecfsons shal!be protsctsd from�r�sather as p�r!BC Sec±9on 1403.2 and/o�15Q3,whiche�eer is more ���„e
<br /> assign a load bearing capacity. Units in a snoy,r load area of 25 psf or less may be built on 1000 MusA�Noi,DWG
<br /> psf bearing soil w/o additional engineering. Minimum footing depth is the local frost depth. stringent � Pa9•�
<br /> 22. Sliding snow is beyond the scope of this report. Drifting snow is covered under Detail M2.
<br /> fCC ESR 1953(2012 IBC}2l24/2014 23. All ft'tUItIS�3811 t2bl@S�9eyrro����ual spans within 20%. All specifications must be based on the langest actua!span.
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