1-3332_Rev._1.pdf
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- Attached to
- Competitive Selection OH|DOT07526-9
- Contract number
- DOT07526-9
- Issued by
- Ohio
About this file
This document is a detailed engineering drawing for a steel foundation tube designed for a 40-foot tilt tower, created by Western Towers, located at 320 W. 26th Street in San Angelo, Texas. The technical schematic is specifically Drawing No. 3332, Revision 1, dated 9/13/2018, and provides comprehensive design specifications for a tower foundation structure.
The drawing specifies a steel foundation tube with precise dimensional and material requirements, including a 20" OD x 1/4" thick pipe with a minimum 36 KSI strength, an 8'-6" cut-length, and a top plate made of 1" thick 50 KSI material. The foundation includes four 1" x 11" anchor rods with accompanying nuts, flat washers, and lock washers. Critical design notes indicate the foundation is designed for presumptive soil parameters, with anchor bolts to be hot-dipped galvanized and threaded rods meeting specific grade requirements. The design emphasizes compacted backfill and provides detailed measurements for ground-level placement and overall structural integrity.
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Text version
6" TOP OF PLATE
8'-1 1/2"
1'-4 7/16"
(REF. BOLT CIRCLE)
WASHERS
(4) 1" x 11" ANCHOR RODS W/(4)
EACH NUTS, (4) EACH FLAT
WASHERS, (2) EACH LOCK
TOP PLATE
20"OD X 1/4" THICK PIPE. 36 KSI
MINIMUM. 8'-6" CUT-LENGTH.
NOTES:
FOUNDAITON DESIGNED TO 1.
PRESUMPTIVE SOIL PARAMETERS
FOUND IN TIA 222 REV. G, ANNEX F.
ALL STEEL COMPONENTS SHALL BE HOT 2.
DIPPED GALVANIZED TO ASTM A123
SPECIFICATIONS.
COMPACTED BACKFILL MUST OBTAIN 3.
AN ULTIMATE COHESION OF 1000 PSF
AS DEFINED BY TIA PRESUMPTIVE SOILS.
ANCHOR BOLTS ARE ASTM A193-B7 4.
THREADED RODS WITH A563 GRADE
DH OR BETTER NUTS WITH F436 FLAT
WASHERS.
ALL WELDS SHALL BE PER AWS D1.1.5.
REVISIONS
REV. DESCRIPTION DATE BY
CHANGED DESIGN. PIPE ORIGINALLY WAS 24", NOW IS
20". TOP AND BOTTOM PLATES ADJUSTED.
9/13/2018 SPG
TOP PLATE
(1" THICK 50 KSI)
1'-8 3/4"
11 5/8"
11 5/8"
1 1/8"
1'-0"
TOLERANCES ARE:
TITLE:
WESTERN TOWERS. FOR USE
SPG9/13/2018DATE:
BY:
SHEET 1 OF 1
320 W. 26TH - SAN ANGELO, TEXAS 76903 3332
DWG. NO.
PROJECTION:
FRACTIONAL:
UNLESS OTHERWISE NOTED,
WESTERN TOWERS
(325) 658 - 6539
40' TILT TOWER
BY WESTERN TOWERS ONLY.
0.1
B
DEGREE:
DIMENSIONS ARE IN INCHES
SHEET SIZE:
DECIMAL:
1/8
PROPRIETARY DRAWINGS
CONFIDENTIAL
INFORMATION WHICH
CANNOT BE ISSUED,
COPIED, OR USED BY
OTHERS WITHOUT WRITTEN
AUTHORIZATION BY
STEEL FOUNDATION TUBE -
SCALE: 1:16
C O
M P
A C
TE
D
B A
C K
F
IL
L
1/4
45°
1/4
(20" OD X 6" ID X
BOTTOM PLATE
GROUND LEVEL
C O
M P
A C
TE
D
B A
C K
F
IL
L
1/2" MIN THICKNESS)
A
8" MAXIMUM
CUT-OUT SECTION
SCALE 1 : 4
DETAIL A
(2) FLAT WASHERS AND
(1) LOCKWASHER PER
PLATE CONNECTION
AS SHOWN.
6" TOP OF PLATE
8'-1 1/2"
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