6-C. DRAWING B-14-13 26FT BOLT DOWN ALUMINUM POLE.pdf
PDF 143 KB Posted
- Solicitation number
- BID 21517
- Issued by
- Milwaukee County, Mattoon Village, Wisconsin
About this file
This is a technical drawing specification document prepared by the City of Milwaukee Department of Public Works, Transportation Section, Infrastructure Services Division, Street Lighting Division, for a 26-foot bolt-down aluminum pole. The drawing, designated B-14-13 and dated November 14, 2014, provides detailed specifications and dimensions for the manufacture and installation of a street lighting pole with a mounting height of 26 feet from the bottom of the base plate to the center line of the bracket arm. The pole features a cast aluminum base plate (ASTM #356-T6 or #319) measuring 11 inches by 12 inches with a 1-inch thickness, designed to accommodate 1-inch mounting bolts in a 10-inch to 12-inch bolt circle pattern. The shaft measures 8 inches in outer diameter at the base and tapers to 23 feet-9 inches, with two mounting plates positioned 180 degrees apart and secured with 1/4-inch-20NC stainless steel hex head bolts (three equally spaced) and a cast aluminum top cap.
The drawing specifies multiple technical requirements including a 4-inch by 6-inch nominal hand hole with bolt opposite, 1/4-inch drill and tapped holes for stainless steel fasteners, and provisions for cable exit through drilled and deburred holes in the shaft. The pole mounting cover plate is constructed of 7/16-inch aluminum sheet stock (ASTM #356-T6 or #713) with detailed dimensional specifications for all components, including bolt holes and radii. This specification document directly relates to the City of Milwaukee's vendor contract opportunity for 25-foot and 30-foot black bolt-down aluminum poles to be supplied over a three-year period in accordance with City of Milwaukee Specification No. 12c-C-1 dated October 30, 2025, and Drawings B-14-13 and B-14-14 dated November 14, 2014.
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Text version
REVISED DATE: REVISED BY:
SCALE:
CITY OF MILWAUKEE D.P.W.
TRANSPORTATION SECTION
INFRASTRUCTURE SERVICES DIVISION
DRG.#
DATE DRAWN DESIGN CHECKED APPROVED
STREET LIGHTING DIVISION
SUPERSEDES
SUPERSEDED BY
NONE
11-14-14
SPEC.NO. 12c-C-1
B-14-13 G:\Street Lighting Specs\Poles, Aluminum Bolt Down\B-14-13 26FT.dgn
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HAND HOLE WITH COVER
4" X 6" NOMINAL
HAND HOLE
WITH BOLT OPPOSITE
1/4"-20 DRILL & TAPPED HOLE
STAINLESS STEEL HEX HEAD BOLTS
THREE EQUALLY SPACED 1/4"-20NC
TOP CAP TO BE CAST ALUMINUM WITH
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NOT PART OF THE BID
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BOLT DOWN ALUMINUM POLE
26 FOOT MOUNTING HEIGHT
4"
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8 " DIA OD
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BASE PLATE CASTING
CAST ALUMINUM
ASTM #356-T6
ASTM #319 OR
SQUARE
SIZED FOR 1" MOUNTING BOLTS
4 ANCHOR BOLT SLOTS
& SLOTTED FOR 10" TO 12"
BOLT CIRCLES
DIA.
4 BOLT COVERS
ARE TO BE SUPPLIED.
1" THICK
11"
12"
CIRCLE
BOLT
PLATE
POLE MOUNTING
COVER PLATE
CAST ALUMINUM
7/16"
PIECES
BOTH
AROUND
1/8"R ALL
ASTM #356-T6
ASTM #713 OR
2 HOLES
1/2" DIA.
2 HOLES
1/2"X13 NC TAP
27/64" DRILL
1 PER POLE
STAINLESS STEEL HEX HEAD BOLTS
ATTACHED WITH 1/2" x 13NC X1/2" LONG
7/16" ALUMINUM SHEET STOCK
/4
/4
/4
/4
3"
2"
/4
/4
1 1/2"
/1
/1
/4
/8
1 1/2" 7 /1
3"
/1
2" RADIUS
B-14-13 26FT
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