STRUCTURAL ANALYSIS
CLS ▪ 1250 Benson Road, Garner, NC 27529 ▪ Office: (405) 348-5460 ▪ Fax: (405) 341-6334 Page 1
Structural Analysis of Existing Sector Frames for HPS
368-295 - Partitioner - US 421 North
Program: HPS AT&T LTE - Carolinas
CLS Project #55105-368-295-02-MOD
December 12, 2016
MOUNT DESCRIPTION Existing Sector Frames at 300 ft
SITE DESCRIPTION 400 ft Guyed Tower
SITE ADDRESS 2315 US 421 North, Lillington, NC 27546, Harnett County
GPS COORDINATES 35.407225,-78.856673
ANALYSIS STANDARD 2009 IBC / 2012 North Carolina Building Code / ASCE 7-05 / TIA-222-G
LOADING CRITERIA 94 mph (3-Second Gust) w/o ice & 30 mph (3-Second Gust) w/ 0.75” Ice
ANALYSIS RESULTS
ANALYSIS USAGE 52% Pass (Post-Mod)
This analysis incorporates modifications per CLS Engineering, dated December 13, 2016.
Prepared by:
Kyle McDonald, E.I.
(405) 348-5460
Reviewed and Approved by:
Tyler Barker, P.E.
PE #40911, Exp. 12/31/2016
COA #P-1268, Exp. 06/30/2017
Mount Analysis for HPS December 13, 2016
368-295 - Partitioner - US 421 North CLS Project #55105-368-295-02-MOD
CLS ▪ 1250 Benson Road, Garner, NC 27529 ▪ Office: (405) 348-5460 ▪ Fax: (405) 341-6334 Page 2
INTRODUCTION
The proposed equipment is to be mounted to the existing Sector Frames. This proposed mounting configuration was
analyzed using RISA-3D, a commercially available finite element analysis software package. A selection of input
and output from our analysis is attached to the end of this report.
STRUCTURAL DOCUMENTS PROVIDED
STRUCTURAL DATA Mapping by CLS, Dated August 26, 2016
LOADING DATA AT&T RFDS, Dated July 29, 2016
ANALYSIS CRITERIA
STANDARD 2009 IBC / 2012 North Carolina Building Code / ASCE 7-05 / TIA-222-G
BASIC WIND SPEED 94 mph (3-Second Gust)
BASIC WIND SPEED W/ ICE 30 mph (3-Second Gust) w/ 0.75” Radial Ice (Escalating)
EXPOSURE CATEGORY B
MAX. TOPOGRAPHIC FACTOR, Kzt 1.00
STRUCTURE CLASS II
EXISTING / RESERVED EQUIPMENT
ELEVATION ANTENNAS STATUS MOUNT RAD # NAME
300 300
6 RFS ATM192012-0
Existing 4 Kathrein 741989
3 Ericsson RRUS-11
2 Kathrein 742-213
1 Powerwave P45-16-XLH-RR
To Be Removed 1 Andrew DBXNH-6565A-R2M
1 Powerwave Technologies P65-17-XLH-RR
PROPOSED EQUIPMENT
ELEVATION ANTENNAS
MOUNT RAD # NAME
300 300
3 Ericsson RRUS-32
2 KMW EPBQ-652L8H8
1 Andrew SBNHH-1D45A
CONCLUSION AND RECOMMENDATIONS
According to our structural analysis, the mount(s) have been found to PASS PENDING MODIFICATIONS. The mount(s)
will be capable of supporting the referenced loading pursuant to applicable standards once the referenced modifications
are installed.
This analysis incorporates modifications per CLS Engineering, dated December 13, 2016.
Mount Analysis for HPS December 13, 2016
368-295 - Partitioner - US 421 North CLS Project #55105-368-295-02-MOD
CLS ▪ 1250 Benson Road, Garner, NC 27529 ▪ Office: (405) 348-5460 ▪ Fax: (405) 341-6334 Page 3
ASSUMPTIONS AND CONDITIONS
This analysis is inclusive of the antenna supporting frames/mounts and all recorded connections that will support the
equipment listed in this report. It considers only the theoretical capacity of structural components and it is not a
condition assessment. The validity of the analysis may be dependent on the accuracy of structural information
supplied by others. The client is responsible for verifying this information. If any provided information is revised
after completion of this analysis, CLS should be notified immediately to revise results.
This analysis assumes the following:
1. The tower or other superstructure and mount(s) (if existing) were properly constructed as per the original design
and have been properly maintained in accordance with applicable code standards.
2. Member sizes and strengths are accurate as supplied or are assumed as stated in the calculations.
3. In the absence of sufficient design information, all welds and connections are assumed to develop at least the
capacity of the connected member, unless otherwise stated in this analysis.
4. All prior structural modifications, if any, are assumed to be correctly installed and fully effective.
5. The loading configuration is complete and accurate as supplied and/or as modeled in the previous analysis. All
appurtenances are assumed to be properly installed and supported as per manufacturer requirements.
6. Some conservative assumptions may be used regarding appurtenances and their projected areas based on careful
interpretation of data supplied, previous experience and standard industry practice.
All opinions and conclusions are considered accurate to a reasonable degree of engineering certainty based upon the
evidence available at the time of the report. All opinions and conclusions contained herein are subject to revision
based upon receipt of new or updated information. All services are provided exercising a level of care and diligence
equivalent to the standard of our profession. No warranty or guarantee, either expressed or implied, is offered. All
services are confidential in nature and this report will not be released to any other party without the client’s
consent. The use of this analysis is limited to the expressed purpose for which it was commissioned and it may not be
reused, copied or disseminated for any other purpose without consent from CLS.
All services were performed, results obtained and recommendations made in accordance with generally accepted
engineering principles and practices. CLS is not responsible for the conclusions, opinions or recommendations made
by others based on the information supplied in this analysis.
It is not possible to have the fully detailed information necessary to perform a complete and thorough analysis of
every structural sub-component of an existing structure. The structural analysis by CLS verifies the adequacy of the
primary members of the structure. CLS provides a limited scope of service in that we cannot verify the adequacy of
every weld, bolt, gusset, etc.
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CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Rendered
SK - 1
Dec 12, 2016 at 1:43 PM
55015-368-295-02-MOD.r3d
YX
Z
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Joint Labels
SK - 2
Dec 12, 2016 at 1:44 PM
55015-368-295-02-MOD.r3d
N1
N2
N3
N4
N5
N6
N7
N8
N9 N10
N11 N12
N13
N14
N15
N16
N17
N18
N19
N20
N21
N22
N23
N24 N25
N26 N27
N28
N29
N30
N31
N32
N33
N34
N35
N36
N37
N38
N39 N40
N41
N43
N45
N46 N47
N48
N49
N50
N51
N52
N53
N54
N55
N56
N57
N58
N59
N60
N61 N62
N63 N64
N65
N66 N67
N68
N69
N70
N71
N72
N73
N74
N75
N76
N77
N78
N79
N80
N81
N82
N81A
N82A
N83
N84
N85
N86
N89
N90
N89A
N90A
N91
N92
N93
N94
N95
N96 N97 N98
N109
N110 N111 N112
N113
N114
YX
Z
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Member Labels
SK - 3
Dec 12, 2016 at 1:44 PM
55015-368-295-02-MOD.r3d
M1
M2
M3
M4
M5
M6
M7
M8
M9
M1 0
M1
1
M1
2
M1 3
M1 4
M1
5
M1
6
M17
M1 8
M1 9
M
2
0
M2 1
M22
M 2 3
M2
4
M2
5
M2
6
M2
7
M2 8
M2 9
M3 0
M3
1
M3 2
M3 3
M 3 4
M 3 5
M 37 M 3 8
M 39
M 40
M 4 4
M 4 4 A
M 4 2
M 4 3
M 4 4 B
M 45
M46
M4
7
M4
8
M49
M 5 0 M 5 1M52
M53
M 5 4
M 6 0M61
M62
M63
YX
Z
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Section Sets
SK - 4
Dec 12, 2016 at 1:44 PM
55015-368-295-02-MOD.r3d
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Face Horizontal
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YX
Z Section Sets
Face HorizontalFace Bracing
Standoff ArmStandoff Arm SR
Standing Bracing PipeMount PipeMount Pipe Plate
MOD - Horizontal PipeMOD - Tie Back
MOD - SFR-KRIGID
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Dead Loads
SK - 5
Dec 12, 2016 at 1:44 PM
55015-368-295-02-MOD.r3d
-12.15lb
-12.15lb
-20lb
-20lb
-55lb
-12.15lb
-12.15lb
YX
Z
Loads: BLC 1, Dead
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Wind Loads - Structure - Normal
SK - 6
Dec 12, 2016 at 1:44 PM
55015-368-295-02-MOD.r3d
-14.533lb/ft
-14.533lb/ft
-6.918lb/ft
-6.918lb/ft
-1.779lb/ft
-9.689lb/ft
-9.689lb/ft
-6.918lb/ft
-6.918lb/ft
-6.918lb/ft
-6.918lb/ft
-6.918lb/ft
-6.918lb/ft
-1.509lb/ft
-1.509lb/ft
-9.011lb/ft-9.011lb/ft
-9.802lb/ft-9.802lb/ft
YX
Z
Loads: BLC 4, Structure Wind 0°
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Wind Loads - Antennas - Normal
SK - 7
Dec 12, 2016 at 1:45 PM
55015-368-295-02-MOD.r3d
-53.364lb
-53.364lb
-16.471lb
-16.471lb
-37.852lb
-53.364lb
-53.364lb
YX
Z
Loads: BLC 20, Antenna Wind 0°
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Wind Loads - Structure - Transverse
SK - 8
Dec 12, 2016 at 1:45 PM
55015-368-295-02-MOD.r3d
14.533lb/ft
14.533lb/ft6.918lb/ft
6.918lb/ft
2.18lb/ft
6.799lb/ft
6.799lb/ft
6.918lb/ft
6.918lb/ft
6.918lb/ft
6.918lb/ft
11.53lb/ft
11.53lb/ft
11.53lb/ft
6.918lb/ft
6.751lb/ft
6.751lb/ft
9.511lb/ft9.511lb/ft
8.821lb/ft8.821lb/ft
YX
Z
Loads: BLC 8, Structure Wind 90°
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Wind Loads - Antennas - Transverse
SK - 9
Dec 12, 2016 at 1:45 PM
55015-368-295-02-MOD.r3d
70.115lb
70.115lb
20.347lb
20.347lb
41.122lb
70.115lb
70.115lb
YX
Z
Loads: BLC 24, Antenna Wind 90°
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Envelope Unity Member Check Results (Bending)
SK - 10
Dec 12, 2016 at 1:45 PM
55015-368-295-02-MOD.r3d
.2
0
.38
.2
0
.2
2
.2
0
.11
.38
.1 1
.0
3
.1 1
.2
0
.2
2
.38
.28
.1 1
.0
3
.0
3
.38
.28
.1
4
.2
0
.52
.0 6
.10
.2
2
.38
.1 1
.1 6
.08
.1 6
.1 1
.52
.2
0
.2
1
.28
.2
2
.0
3
.0 6
.1
1
.2
2
.38
.2
0
.1 6.52.52
.0 9
.2
2
.38
.28
.38
.1 6
.0
3
.2
2
.05
.2
5
.2
1
.52
.28
.2
2
.38
.08
.2
2
.1 7
.0
3
.1 2.2
1
.38
.0
3
.2
5
.52
.2
5
.28
.52
.2
1
.2
5
.52
.28.28
.2
5
.52
.2
5
.2
5
YX
Z Code Check( Env )
No Calc
> 1.0.90-1.0
.75-.90.50-.75 0.-.50
Member Code Checks Displayed (Enveloped)
Results for LC 1, 1.4D
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Envelope Member Shear Check Results
SK - 11
Dec 12, 2016 at 1:46 PM
55015-368-295-02-MOD.r3d
.1
8
.25
.1
8
.3
3
.1
8
.04
.25
.0 2
.0
9
.1 2
.1
8
.3
3
.25
.24
.1 2
.0
9
.1
2
.25
.24
.0
2
.1
8
.43
.0 0
.09
.3
3
.25
.1 2
.1 0
.01
.1 0
.1 2
.43
.1
8
.3
2
.24
.3
3
.0
9
.0 6
.1
2
.3
3
.25
.1
8
.1 0.43.43
.0 3
.3
3
.25
.24
.25
.1 0
.0
9
.3
3
.00
.1
8
.3
2
.43
.24
.3
3
.25
.03
.3
3
.0 4
.0
9
.1 0.3
2
.25
.0
9
.1
8
.43
.1
8
.24
.43
.3
2
.1
8
.43
.24.24
.1
8
.43
.1
8
.1
8
YX
Z Shear Check( Env )
No Calc
> 1.0.90-1.0
.75-.90.50-.75 0.-.50
Member Shear Checks Displayed (Enveloped)
Results for LC 1, 1.4D
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Deflected Shape - Normal Wind Case
SK - 12
Dec 12, 2016 at 1:46 PM
55015-368-295-02-MOD.r3d
YX
Z
Results for LC 2, 1.2D + 1.6W_0°
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Deflected Shape - Transverse Wind Case
SK - 13
Dec 12, 2016 at 1:46 PM
55015-368-295-02-MOD.r3d
YX
Z
Results for LC 6, 1.2D + 1.6W_90°
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Proposed Modifications - Rendered
SK - 14
Dec 12, 2016 at 1:47 PM
55015-368-295-02-MOD.r3d
YX
Z
CLS Engineering
KSM
55105-368-295-02-MOD
55105-368-295-Partitioner-US 421 North
Proposed Modifications - Section Sets
SK - 15
Dec 12, 2016 at 1:47 PM
55015-368-295-02-MOD.r3d
MOD - SFR-K
MOD - Horizontal Pipe
M O D - Tie B a c k
MOD - SFR-K
MOD - Horizontal Pipe
MOD - Horizontal Pipe
MOD - Horizontal Pipe
M O D - S F R -K
MOD - Tie Back
MOD - Horizontal Pipe
MOD -
SFR-K
MOD - Horizontal Pipe
MOD - Horizontal Pipe
MOD - Horizontal Pipe
MOD - Horizontal Pipe
YX
Z Section Sets
Face HorizontalFace Bracing
Standoff ArmStandoff Arm SR
Standing Bracing PipeMount PipeMount Pipe Plate
MOD - Horizontal PipeMOD - Tie Back
MOD - SFR-KRIGID