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ClienY AT&T 570 Colonial Park Dc Ste#307 ClienC AT8T 570 Colonial Park Dr.Ste#307 ■ve ocire <br /> Site Name:Hwy 51 AND 15 Roswell,GA 30075 ■ve ocite Site Name:Hv✓y 51 AND 75 Rosweu,GA 30075 <br /> Site Id:10104030 . �.�.-�-.. ...:.. .-.. Site Id�.70104030 � . - . ..:�.. ... <br /> Period Determination Total AddRional weight <br /> Table 12.8-2 <br /> C�-=o.oz wtATT:=1.358kip (Weight of appurtenances from RISA model) <br /> x:=o.�5 Table 12.8-2 Wt =6wt +6wt +6wt +3wt +3wt +wt +i2wt ef t <br /> appuYt' ant5 ant6 'tMA2 RRU1 RRU2 Omni2 pipel� <br /> hn:=143 ft Wtappurt= 1.098�kip <br /> x Eq�.�Z.B-� Wt -125ft �12Wt +2Wt +Wt x �+90ft �4Wt x +2Wt x +wt x � <br /> Ta:=�t.yyn coaxladd�- coaxl coax4 coa 3 coa 1 coa 4 coa 3 <br /> -1 `^'tcoaxiaaa=1.811�kip <br /> Ta=0.827 s <br /> F'tcoax2add�=125ft��Wtcoax5�+90ft��Wtcoax5�=0.026�kip <br /> Seismic Response Coefficient: <br /> Eqn.12.8-2 Wtcoax3add=119.167ft�12Wtcoax2+35ft�8Wtcoax2+125ft�Wtcoaxl=0.697�kip <br /> SDS <br /> Cs:= R Cs=0.034 wtaddl�-H'tATT+Wtappurt+�`'tcoaxladd+�`'tcoax2add+Wtcoax3add-4�99'kip <br /> �IE� `�'taddl <br /> \ / <br /> =0.2991-% <br /> S�1 Eqn.12.83 w <br /> Csmax�_ �smax=0.026 The additional weight is 02991%of the actual weight,which is less than the allowable 5%. <br /> R <br /> Ta I Therefore an overall analysis of the tank is not required and is considered to have adeauate <br /> E Eqn.15.4-1 strenath. <br /> �smin:=0.03 <br /> Tolalweighl: Vwater =z00000ga1 <br /> uva[er=2.674 x 104�ft3 <br /> �'wa[er�-62.4pcf <br /> W�=Wwater�uwacer <br /> W=1668.333-kip <br /> Base shear For these calculation purposes,it is <br /> v:=Cgm;� w o.� conservative lo ignore the seismic base shear <br /> increases due to water sloshing and due to the <br /> v=35.035�kip weight of the tank itself. <br /> Seismic load is 35.035 k which is greater than the total wind load of 26.965 k.Thus,seismic <br /> loads control the structure.Existing Dead Loads,which are proportional to the seismic <br /> loads,shall be compared to the additional appurtenance dead loads. <br /> W=1668.333�kip <br /> Velocdel Job#:204AA10104030L2 Subjecf Structural Analysis Velocitel Job#:204AA10104030L2 Subject Structu2l Analysis <br /> 23 of 24 By:AB 24 of 24 By:AB <br /> Date�6/i6/2015 9�36 AM Checked:NT Date:6/16/2075 9:36 AM Checked:NT <br />