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June 4, 2018 <br /> 288-ft Self-Supporting Tower Structural Modification Analysis Report CC/BU No 816298 <br /> TEP Project Number 26146.157540, Order 412641, Revision 1 Page 6 <br /> 9) The following material grades were assumed: <br /> a) Connection bolts: A325N <br /> b) Anchor bolts:A36 <br /> c) Leg grade: A572-50 <br /> d) Bracing grade: A36 <br /> e) g) Concrete compressive strength: f'c= 3 ksi <br /> h) Foundation reinforcement(ties): fy=40 ksi <br /> i) Foundation flexural reinforcement: fy=40 ksi <br /> This analysis may be affected if any assumptions are not valid or have been made in error. Tower <br /> Engineering Professionals should be notified to determine the effect on the structural integrity of the <br /> tower. <br /> 4)ANALYSIS RESULTS <br /> Table 5-Section Capacity (Summary) <br /> Section Elevation(ft) Component Size Critical P(lb) OP.u-0b) % Pass/Fail <br /> No. Type Element Capacity <br /> T1 287.667-280.084 I Leg L5x5x5/16 3 -957 f 68151 1.4 Pass <br /> T2 280.084-272.5 Leg L5x5x5/16 25 -2397 68151 3.5 Pass <br /> 5.1 (b) <br /> T3 272.5-247.333 Leg L5x5x1/2 46 -13545 138404 9.8 Pass <br /> T4 247.333-232.583 Leg L8x8x5/8 114 -31737 343201 9.2 Pass <br /> T5 232.583-222.166 Leg L8x8x5/8 152 -39779 385363 10.3 Pass <br /> 18.5(b) <br /> T6 222.166-209.583 Leg L8x8x5/8 189 -52050 365491 14.2 Pass <br /> T7 209.583-197 Leg L8x8x5/8 226 -68352 365491 18.7 Pass <br /> 23.4(b) <br /> T8 197-181.3 Leg L8x8xl 1/8 263 -89646 574459 15.6 Pass <br /> T9 181.3-170.833 Leg L8x8x1 1/8 300 -118735 666923 17.8 Pass <br /> 30.5(b) <br /> T10 170.833-146.75 Leg L8x8xl 1/8 337 [:T41863 567438 25.0 Pass <br /> 37.2(b) <br /> T11 146.75-121.667 Leg L8x8x3/4 398 -193756 381148 50.8 Pass <br /> T12 121.667-96.5843 Leg L8x8xl 459 -252609 497680 50.8 Pass <br /> T13 96.5843-71.5 Leg L8x8xl 1/8 520 -313836 554066 56:6 Pass <br /> T14 71.5-51.417 Leg L8x8xl 1/8 581 -379528 618134 61.4 Pass <br /> T15 51.417-31.334 Leg LSx8x1 1/8 654 -432981 618134 70.0 Pass <br /> T16 31.334-0 Leg L8x8xl 1/8 729 -416546 575107 72.4 Pass <br /> T1 287.667-280.084 Diagonal 21-2 1/2x2x3/16x5/16 19 -1033 22393 4.6 Pass <br /> T2 280.084-272.5 Diagonal 21-2 1/2x2x3/16x5/16 33 -3322 21328 15.6 Pass <br /> T3 272.5-247.333 Diagonal 21-2 1/2x2 1/2x1/4x5/16 71 -8102 24116 33.6 Pass <br /> I T4 247.333-232.583 F Diagonal 2L3x2 1/2x1/4x1/4 133 -8102 36624 22.1 Pass <br /> i T5 232.583-222.166 1 Diagonal 21-21/2x3x1/4x1/4 170 -10625 42679 24.9 Pass <br /> T6 222.166-209.583 Diagonal 21-21/2x31/2x1/4x5/16 207 -12934 41469 31.2 Pass <br /> T7 209.583-197 Diagonal 21-2 1/2x3 1/2x1/4x5/16 250 -15539 39835 39.0 Pass <br /> T8 197-181.3 Diagonal 2L 3 1/2 x 4 x 1/4 x 1/4 281 -23424 51755 45.3 Pass <br /> T9 181.3-170.833 Diagonal 2L 3 x 3 1/2 x 1/4 x 1/4 318 -22067 49651 44.4 Pass <br /> T10 170.833-146.75 Diagonal 21-3 1/2x5x5/16x5/16 365 -38893 88823 43.8 Pass <br /> T11 146.75-121.667 Diagonal 21-3 1/2x5x5/16x5/16 426 -43795 82639 53.0 Pass <br /> T12 121.667-96.5843 Diagonal 21-3 1/2x5x5/16x5/16 487 -47010 79555 59.1 Pass <br /> T13 1 96.5843-71.5 Diagonal 21-3 1/2x5x5/16x5/16 548 -51935 76300 1 68.1 Pass <br /> tnxTower Report-version 7.0.5.1 <br />