C05 Attachment 11 Encino LO Structural Data.pdf
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- Solicitation number
- 127EAX26Q0069
- Issued by
-
Department of Agriculture Forest Service
About this file
This document is a technical specification sheet for the Encino Lookout tower structure, detailing the design and material requirements for a 59'6" tall communications tower with an 84" face width at the top.
The tower is divided into four structural sections, each with distinct specifications. Section 1 (height 14'10", face width 190") features one X-Brace panel with L4"x4" legs, 0.34" thick, and L2.5"x2.5" diagonals with 9x0.75" bolts. Section 2 (height 31'1") contains two panels using X-Brace and K-down configurations with L4"x4" legs and 1.9"x1.9" diagonals with 9x0.75" bolts. Section 3 (height 47'1") comprises two panels with K-Up and X-Brace types, using L3.4"x3.4" legs at 0.26" thick and 1.9"x1.9" diagonals with 9x0.75" bolts. Section 4 (height 59'6") features two X-Brace panels with L3"x3" legs at 0.2" thick and L2"x2" diagonals with 5x0.75" bolts. Common elements across sections include gussets (ranging from 10"x7.5" to 12.25"x8"), bottom redundant horizontals, girts with varying offsets, and bracing verticals (BVR) at specified heights. All sections include base plates, inner splice plates, and middle/top redundant horizontal components with detailed bolt specifications.
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Text version
Encino Lookout
Overall Tower Height: 59’6”
Face Width at Top: 84”
Section 1 Section Height: 14’10”
Face Width: 190”
Panel Numbers: 1
Panel Type: X-Brace
Panel Height: 156.5”
Leg Size: L4”x4”, 0.34”thick
Diagonal Size and Bolts: L2.5”x2.5”, 0.14” thick, 9x0.75”
Base Plate Size and Bolts: 12”x12” 2x0.87”
Base Plate L Bracket: 11.5”x5.5”x4”, 0.4” thick
Bottom Gusset Size and Bolts: 10”x7.5”, 0.2” thick, 6x0.75”
Bottom Redundant Horizontal Size and Bolts: L2.5”x2.5”, 0.2” thick, 5x0.75”bolts
BRH height: 6”
Girt Size and Bolts: 3”x3”, 0.2” thick, 4x0.75”
Girt Offset: 15”
Section 2 Section Height: 31’1”
Panel Numbers: 2
Panel Type: X-Brace, K-down
Panel Height: 147”, 59.5”
Leg Size: L4”x4”, 0.34”thick
Diagonal Size and Bolts: 1.9”x1.9”, 0.19” thick, 9x0.75” bolts
Gusset Size and Bolts: 12.25”x8”, 0.27” thick, 10x0.75” bolts
Inner Splice plate: L4”x4”, 0.25” thick
Bottom Redundant Horizontal Size and Bolts: 2”x2”, 0.14” thick, 5x0.75” bolts
BRH height: 6”
Girt Size and Bolts: 1.9”x1.9”, 0.13” thick
Girt Offset: 8”
BVR Size and Bolts: 1.9”x1.9”, 0.13” thick, 3x0.75” bolts
BVR Height: 83”, 67.75”
Section 3 Section Height: 47’1”
Panel Numbers: 2
Panel Type: K-Up, X-Brace
Panel Height: 60&7/8”, 50&11/16” & 52&1/8”
Leg Size: L3.4”x3.4”, 0.26” thick
Diagonal Size and Bolts: 1.9”x1.9”, 0.13” thick, 9x0.75” bolts
Gusset Size and Bolts: 11.75”x8”, 0.27” thick, 10x0.75” bolts
Inner Splice Plate: 10”x3.5”x3.5”, 0.28” thick
TRH Size and bolts (at top of k-up): 2.4”x2.4”, 0.13” thick, 5x0.75” bolts, height 0”
BRH (in x-brace) Size and Bolts: 1.9”x1.9”, 0.13” thick, 3x0.75” bolts
BRH height: 4”
Girt Size and Bolts: L2.4”x2.4”, 0.2” thick
Girt Offset: 12”
BVR Size and Bolts: 1.9”x1.9”, 0.13” thick, 3x0.75” bolts
BVR Height: 58&3/8”
Section 4 Section Height: 59’6”
Panel#’s: 2
Panel Type: X-Brace
Panel Height: 78.5”, 76&3/8”
Leg Size: L3”x3”. 0.2” thick
Diagonal Size and Bolts: L2”x2”, 0.13” thick, 5x0.75” bolts
Middle horizontal size and bolts: L2.5”x2.5”, 0.23” thick
Gusset Size and Bolts: 11.75”x8”, 0.27” thick, 10x0.75” bolts
Inner splice plate: L10”x3”x3”, 0.19” thick
Bottom Redundant Horizontal Size and Bolts: L2”x2”, 0.13” thick, 3x0.75” bolts
BRH height: 3.5”, 3.5”
Girt Size and Bolts: L2.5”x2.5”, 0.23” thick
Girt Offset: 3”
BVR Size and Bolts: L1.9”x1.9”, 0.13”thick, 2x0.75” bolts
BVR Height: 39.5”, 42”
| Section 1 |
| Section 2 |
| Section 3 |
| Section 4 |
File details come from the government source that posted it. Updated .