HomeMy WebLinkAboutTOWER DESIGN - 17-00782 - 164 W 1st N - Cell Tower Ehresmann Engineering Inc.
4400 West 31st. Street
Yankton, SD 57078
Phone: (605) 665-7532
FAX: (605) 665-9780
Job: LTE 3C REXBURG GRAIN, ID P9449-
Project: 120 FT EHRESMANN MONOPOLE
Client: GENERAL DYNAMIC Drawn by: CD App'd:
Code: TIA-222-G Date: 10/18/17 Scale: NTS
Path:
X:\POCKETS\QUOTES JOBS\General Dynamics\Rocky Mattison\LTE 3C REXBURG GRAIN, ID\P9449-1 - LTE 3C REXBURG GRAIN, ID - 120' MP.eri
Dwg No. E-1
120.0 ft
80.3 ft
44.8 ft
0.0 ft
REACTIONS - 90 mph WIND
TORQUE 0 kip-ft
31 K
SHEAR
2814 kip-ft
MOMENT
28 K
AXIAL
50 mph WIND - 0.2500 in ICE
8 K
SHEAR
672 kip-ft
MOMENT
37 K
AXIAL
ARE FACTORED
ALL REACTIONS
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(3) 12' T-arms 116 (4) R2V4PX310R 116 (4) R2V4PX310R 116 (4) R2V4PX310R 116 (3) 12' T-arms 101 (4) R2V4PX310R 101 (4) R2V4PX310R 101 (4) R2V4PX310R 101 (3) 12' T-arms 86 (4) R2V4PX310R 86 (4) R2V4PX310R 86 (4) R2V4PX310R 86DESIGNED APPURTENANCE LOADING
TYPE TYPEELEVATION ELEVATION
(3) 12' T-arms 116
(4) R2V4PX310R 116
(4) R2V4PX310R 116
(4) R2V4PX310R 116
(3) 12' T-arms 101
(4) R2V4PX310R 101
(4) R2V4PX310R 101
(4) R2V4PX310R 101
(3) 12' T-arms 86
(4) R2V4PX310R 86
(4) R2V4PX310R 86
(4) R2V4PX310R 86
MATERIAL STRENGTH
GRADE GRADEFy FyFu Fu
A572-65 65 ksi 80 ksi
TOWER DESIGN NOTES
1. Tower is located in Madison County, Idaho.2. Tower designed for Exposure C to the TIA-222-G Standard.
3. Tower designed for a 90 mph basic wind in accordance with the TIA-222-G Standard.
4. Tower is also designed for a 50 mph basic wind with 0.25 in ice. Ice is considered to increase
in thickness with height.
5. Deflections are based upon a 60 mph wind.6. Tower Structure Class II.7. Topographic Category 1 with Crest Height of 0.00 ft
8. Weld together tower sections have slip joint connections.
9. Connections use galvanized A325 bolts, nuts and locking devices. Installation per
TIA/EIA-222 and AISC Specifications.
10. Tower members are "hot dipped" galvanized in accordance with ASTM A123 and ASTM A153 Standards.
11. Welds are fabricated with ER-70S-6 electrodes.
12. TOWER RATING: 99.8%