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Home My WebLink AboutRETROFIT ANALYSISI Prepared For: E ii-CEi. ,I��=- 0 MAR 3 0 2017 SCANNED BY PERtfITTING St. Lucie Count% St. Lucie County, FL It SAM vwizFon%/ rG: CIE COUNT( cyIEYJ 68837 - Adams RanchRETROFIT ANALYSIS ' L' — L— Site 300' Guyed Tower b� BY E� St. Lucie Count%, Address: 21715 Orange Ave. Fort Pierce, FL 34945 St. Lucie County Prepared by: KimlepMorn CONCEALED FASTENERS OR ATTACHMENTS ARE THE RESPONSIBILITY OF THE CONTRACTOR OF RECORD Kimley-Horn and Associates, Inc. 1920 Wekiva Way West Palm Beach, FL 33411 (561) 845-0665 _ CKimley-Hom and Associates, Inc. EB0000696 THESE PLANS AND ALL PROPOSED WORK ARE SUNECT TO ANY CURECTIONS REQUdAED UY RC10 I NIjTjf C TO 0 THAT MAYBE 14ECE66AAY IN ORDER TO COMPLY WITH ALL APUA019 CODES, Tower Pass: 102.6% Foundation: Pass *Within Engineering Tolerance \\��\}P1dPVaaOo///% .......T��'sF..,. F `� 73995 _ .P A F- of , ti Marisa -Ann Lopez Florida P.E. 73995 September 1, 2016 Kimley»)Horn Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis TABLE OF CONTENTS Report.................................................................................................... 4 Pages SupportingData.......................................................................................... 5 Pages Tower Modification Drawings......................................................................... 3 pages R Kimley»)Horn Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis PROJECT: Retrofit analysis of 300' Guyed Tower for the addition of Verizon Wireless equipment. LOCATION: 21715 Orange Ave. Fort Pierce, FL, 34945 St. Lucie County CLIENT: Verizon Wireless 4700 Exchange Ct., Suite 100 Boca Raton, FL 33431 OVERVIEW Based upon the Structural Tower Analysis performed by Kimley-Horn and Associates, Inc. dated August 1, 2016, it was concluded that the tower superstructure did not have adequate capacity for the proposed loading specified by Verizon Wireless under TIA-222-G standard. At the request of Verizon Wireless, Kimley-Horn and Associates, Inc. has conducted a retrofit design analysis in order for the tower.superstructure to withstand the existing and proposed loading. Refer to Tower Modification Drawings prepared by Kimley-Horn and Associates, Inc. for modification details (See Sheets 1 — 3, Project # 044048141) PURPOSE The purpose of this retrofit analysis is to reinforce the failing tower superstructure in order for it to have sufficient strength for the existing and proposed loading. Refer to the following section for details on existing/reserved and proposed loading. EXISTING / PROPOSED TOWER MOUNTED EQUIPMENT From the Structural Tower Analysis by Kimley-Horn and Associates, Inc. dated August 1, 2016, the following tower mounted equipment information was determined to be the final loading. I�-7 �'� 1 Pro osedA ui"tenance,andFeedline'Informati .Carrier Elev. Appurtenance Feedlmes ` Mount Type Verizon Wireless 280 (6) X7CQAP-665-VRO 6) DBC-7CAP (6) Smart Bias T's _. Existing/Reserved.Appurtenance and F,eedhne Information._ _ Unknown 300 (1) 3/4" Lighting Conduit Verizon Wireless 280 (3) X7-665-4 (12) 1-5/8" Coax Cables (3) QT- SF10-3-72 Unknown 118 (1) 4' w/Radome (1) EW63 Unknown 110 (1) UHX6-59/L 1 EW52 KimlepMorn Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis ANALYSIS The following table displays the failing sections from the Structural Tower Analysis by Yjmley- Horn and Associates, Inc. dated August 1, 2016: Section Elevation (ft. AGL) Component Type Percent Capacity Used T9 140-120 Diagonal Bolt 112.1 Tl l 100-80 Diagonal Bolt 109.6 T12 80-60 Diagonal Bolt 100.4* *Within Engineering Tolerance Bolts The table below displays the failing bolts and proposed modifications to accommodate the proposed loading. Section Elevation Failure Mode Existing Member Proposed (ft. AGL) Modification T9 140-120 Member Bearin l'1 P1.5x0.028 P1.50.12 T11 100-80 Member Bearing('] P1.5x0.028 No Modification1�1 [I] Member bearing failure is a failure of the thickness of the member the bolt is connecting through; therefore, the connecting member must be replaced with a thicker member. [2]After modifying section T9, the stress on TH was reduced and no longer required modifications. After modifying the above sections, the following additional sections required modifications. Section Elevation (ft. AGL) Component Type T5 220-200 Diagonal Bolt T6 200-180 Leg mm Lees To strengthen the failing pipe legs, A53 Grade B steel half -pipes are proposed to reinforce them. However, due to half -pipes having a yield strength of 35 ksi and not 50 ksi (legs), to size the half - pipes, an area increase is required by a ratio of 50/35 = 1.43. The table below displays the selected half -pipes used to support the failing legs. Refer to the Supporting Data section for the reinforced member details. Swum ERMf-1 EIE&Ot EI&MgAre Adafimo 5 Addtfnnl5tSe1 Raposedtde!nffi QP3ay"d &gimd lMOTIbWAM T8 I M-180 jrLSRW.2� 1.4a mI 129 x1.43 0.71 n jfte3NfSi[ffiNG=7A2s Kimley>))Horn Bolts Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis The table below displays the failingbolts and proposed modifications to accommodate the proposed loading. Section Elevation Failure Mode I Existing Member Proposed (ft. AGL) Modification TS 1 220-200 1 Member BearingPl P1.5x0.058 L P1.5x0.12 [1] Member bearing failure is a failure of the thickness of the member the bolt is connecting through; therefore, the connecting member must be replaced with a thicker member. FOUNDATION ANALYSIS Based upon an analysis, the foundation was found to have adequate capacity for the existing and proposed loading. SUMMARY OF RESULTS / CONCLUSIONS Based upon the information and assumptions discussed above, our retrofit analysis shows that the listed proposed and reinforced members will provide the tower superstructure with sufficient capacity for the proposed antenna modifications specified by Verizon Wireless under the TIA-222- G standard. In addition, the foundation has the necessary capacity to resist the tower base reactions. See Tower Analysis Output for summary. KimleylMorn Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis STATEMENT OF LMTATION Kimley-Horn makes no warranties, expressed or implied in connection with this report and disclaims any liability arising from original design, material, fabrication, and erection deficiencies or the condition of the tower. The following assumptions were made in the absence of the information described in the previous section to complete the tower analysis. • The tower assembly drawing was assumed to represent as -built conditions. Kimley-Hom (KHA) was not present for general observations during construction of the tower, and, therefore, cannot verify that the tower and foundations were installed in general conformance with their original design. • Information on the tower and foundation drawings that could not be verified by KHA personnel is assumed to be correct. • KHA has assumed proper tower construction and maintenance in accordance with the applicable Building Code and the applicable ANSI TIA/EIA guidelines in affect at the time of construction. • KHA has assumed proper alignment and plumbness, correct bolt tightness, no significant damage or deterioration to any component, and the use of steel which meets the specified yield strength of the original design. No testing or inspection was done to confirm this assumption and it shall remain the responsibility of the owner of the tower to ensure that it is in good condition. ha addition, we have assumed that the minimum clearances and edge distances required by AISC have been met for each connection. • KHA has not compared limitations for antenna twist, tilt, roll, or lateral displacement to actual displacements computed under service conditions. Therefore, we do not make any judgment regarding adequacy of this tower for these factors. • Tower data and antenna location and type used in this analysis are based on and are as accurate as the data furnished. This analysis is valid only for the existing and proposed loading described in this letter. The tower must be reanalyzed if equipment mounted on the structure is different than the loading stated in the report. If any of these assumptions are not valid or have been made in error, this analysis should not be considered accurate, and KHA should be allowed to review any new information to determine its effect on the adequacy of the tower. KimlepMorn Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis SUPPORTING DATA - / 4 - i C i X `d F a a d q a a 4 2 C 6 `d `d 'd C A ® ft Q < n d n d 0 C tR a 6 6 l z F d a a 5 F � n a i "c � S u 3000 ftfl 2600ft 240Oft 220_o ftft 203_811 2000ft 180.0ft 160.0It 14al)ft 1200It 1 100011 BO.Ofl rnF 60.Oft 40.Ofl 20.08 5.Oft 0. 26031b`-j 103567Ib 25681tFft (Tory..) Lel9l DESIGNED APPURTENANCE LOADING TYPE ELEVATION TYPE ELEVATION DTSF10.3�nl(YSe F2me (✓t" 2W X7COAP-66SVROwlmcudpipe (✓ w) 280 DTSF 10.3-72IVS or Frame M' 280 DB07CAP Diplexer(VZW) 280 DB07CAPDiplexerMffl 280 OTSF10 Mll)'Swo Fmma 260 DBG7C Nplexer(VzW) 280 DBD-7CAP Diplexer(VzW) 280 X7S65-4 w/ mount plpe(*Vv)) X76 5�4w/mount Pipa(*w) X7G853w/mount pipe (VM X7C -665-VROw/mountpipe 280 2W 280 280 1. DB 7CAP Diplexer(VZW) 280 DBG7CAPDipl.x.r(VZW) 280 Smart Biaa T(Vzw) 280 Smart&az T(VzVh 280 IC/COAPE6SVROwl mourn pipe (✓tom 280 Smartelaz T(Vzw) 280 Smart8ias T(V W) 280 xlr O G VROw/mmmtpipe (V[W) 280 Smart&as T(vzw) 1280 Smart Bias T(VM 1280 X7C -665-VROw/momrtp1pe Nzw) 280 Andrea 4'wlRatloma 118 UHX6591L 110 X7COAR0GSVR0w/mo=pipe (Vzl ) 280 SYMBOL LIST MARK SIZE MARK SIZE A P2.375x0218 + P 3XSTR Haff-Pipe C L4.4114 B I NA. D 1501 MATERIAL STRENGTH GRADE 1 Fu GRADE Fy Fu A61e-50 Ww ijA B42 142 hi 163W \ O� TOWER DESIGN NOTES i. Tower is located in Saint Lucie County, Florida. 2. Tower designed for Exposure C to the TIA-222-G Standard. 3. Tower designed for a 118 mph basic wind in accordance with the TIA-222-G Standard. 4. Deflections are based uponna 0 mphwind. 5. Tower Structure Class II. 6. Topographic Category i with Crest Height :) 0.00It 7. Weld together tower sections have flange connections. 8. Connections use galvanized A325 bolts, nuts and locking devices. Installation per TWEIA-222 and AISC Specifications. 9. Tower members are "hot di galvanized in accordance with ASTM A123 and ASTM A153 Standards. 10. Welds are fabricated with ER-70S-6 electrodes. 11. TOWER RATING: 102.6% FIL C 'e7oez¢ ��757 16 e237/1b \ R=240.00It ALL REACmONSARE FACTORED 1920 Wekiva Way, Suite 20( West Palm Beach, FL 33411 Phone: 561-840-0665 NYi Feed Line Distribution Chart 5' - 300' Round Flat App In Few App ON Face Tmss Leg 111 sDaDo Face A 2eD.aD 2so.oD 240 OD 220.00 20D.T5 _____ ___________ ___.____...______._....___ 200.00 MOO v' U O 140.00 0 120M ao.DD sDOD MOO 40_00 20M Face B Face C %imley Horn O°` 300' 1920 Wekiva Way, Suite 200 POfetl ac West Palm Beach, FL 33411 °°enh vi Phone: 561-640-0665 COtle. TIP Feed Line Plan Round Flat App In Face App ON Faw (12) LDF7-50A (1-5/8 300' 1920 Wekiva Way, Suite 200 Y1OI"`Adam's Ranch West Palm Beach, FL 33411 aiem: Venzon Wireless Draivn*chelsea.kno_x_ Aped' Phone: 561-840-0665 COw TIA-222-G iu2n�09/01/16 I Scale: NT. Guy Tensions and Tower Reactions TIA-222-G -118 mph Exposure C 2603 i wubi ID.(A tal). 2568 lb-ft (Torque) Maximum Values Anchor'C' a240 ft Azimuth 240 deg Elev 0 ft Plano }h--h —I—id of tower 1920 Wekiva Way, Suite 200 West Palm Beach, FL 33411 Phone: 561-840-0665 21921b 37 deg 0.00 ft 44941 lb 597511b ZMAMOON 300' Guyed Tower etl Adam's Ranch "r Vedzon Wireless D'a`"nW hd, oaiw O9101116 Kimlep Horn «Client » —Name Adam's Ranch, 300' Guyed Tower Analysis Existing P2.375x0.218 (ASTM A572-50; Fy = 50 ksi) from elevation 180' to 200' AGL. — --Dimensions - ------- US Nerve iP2.375 218 SI Neme i P237M218 Diemiefer Well Thickness in ',0219 1 in A 8 11.47725655 - -'---- in'2 �it. be 0.86792134 _ ' In 4 x I0.7bfi5 in Sz ;873088113 in'3 s� 2< Ul1713889- 1 in^3 I '® SFx 2971 J 173564263_ - in^4 Composite Member; Reinforced with a 3 X-Strong Half -Pipe (ASTM A53 Gr. B; Fy = 35 ksi) (Superposition) USM— L.37`.u®319+P9GSIRxaRYpal I veJ7sma1�, � , I Wwipmi F peilvHa- 7-4ii ptomQp i � bi area z4s7s * - mn t< o75s7sz134 IhN N I eBb Iu M4 t.T.iBUbB f YN Si(lop) F8.7]I169111I pNJ S�•(1op110.'/96B8119 Y�`] _ 9r(EnU 18.7308811] — hP] Sy (Oo11 jj0.13,'188113 i,y rR U761S In Qifi65 — iCf MNe rY STY 737 in❑TICffi844fYYnepEICQ OPCrieII118QC94 Q1EC(IYf xlbS�e *Proposed half -pipe area reduced by a ratio of 35150 to account for the differences in yield strengths. 1 KimlepMorn Verizon Wireless 68837 - Adam's Ranch, 300' Guyed Tower Analysis TOWER MODIFICATION DRAWINGS