Aesthetic Competition Series Engineering Design Parameters · Engineering Design Parameters...
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PLS-POLE Drawing F E D DATE C B A 1 2 3 4 5 CHECKED ENGINEER DATE DRAWN CODE AREA PROJECT DRAWING NUMBER REV F E D 6 7 8 C B 9 10 A REVISIONS AND RECORD OF ISSUE NO Aesthetic Competition Series An Open Competion for Aesthetic Designs of Power Delivery Structures Page 1 of 4 OJL PLS-POLE OJL 01/21/16 53705 53705-1 B A 08/17/16 Updated per Committee Comments and Suggestions Plotted 1/5/2017 11:08:57 PM 10-24 51 C:\USERS\OTTO\DOCUMENTS\STANDARDS\ASCE\AESTHETIC\ ACS_TH-230 B 09/06/16 Released for Competition Aesthetic Competition Series Engineering Design Parameters C:\USERS\OTTO\DOCUMENTS\STANDARDS\ASCE\AESTHETIC\ ACS_TH-230 Aesthetic Competition Series
Transcript of Aesthetic Competition Series Engineering Design Parameters · Engineering Design Parameters...
PLS-POLE Drawing
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Aesthetic Competition SeriesAn Open Competion for Aesthetic Designs
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Aesthetic Competition Series
Engineering Design Parameters
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Aesthetic Competition Series
PLS-POLE Drawing
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Aesthetic Competition SeriesAn Open Competion for Aesthetic Designs
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5. Loadings a. Extreme Wind (ASCE 74 – 90 mph) b. Combined Ice an Wind (ASCE 74 – ¾” Ice + 30 mph Wind) c. Extreme Ice (1” Ice) d. Differential Ice (1” Ice one side and ½” Ice other side) e. Broken Conductor (Any One) f. Broken Shield Wire (Any One) g. Construction Loadings (Snub off) h. Tangents to be designed for a 1 degree Construction Tolerance Line Angle
6. Structure Design a. ASCE 10 - Lattice b. ASCE 48 – Tubular Steel c. ASCE MOPs – Concrete, FRP, Wood, Laminated Wood d. Deflection Limitations; 10% of Structure Height e. Height Limitation; 200 feet tall due to FAA regulations
7. Geotechnical Considerations a. Soil Type (Good) b. Foundation Type (Drilled Piers)
8. Construction Considerations a. Access b. Pick Points c. Wire Stringing
9. References
The following references were used in the development of the design criteria listed above; a. ASCE 74 Guidelines for Electrical Transmission Line Structural Loading; http://www.asce.org/templates/publications-book-detail.aspx?id=8072 b. RUS 1728F-811 Electric Transmission Specifications and Drawings, 115kV Through 230kV; http://www.rd.usda.gov/files/UEP_Bulletin_1728F-811.pdf c. RUS 1724E-200 Design Manual for High Voltage Transmission Lines; http://www.rd.usda.gov/files/UEP_Bulletin_1724E-200.pdf
1. General Notes: a. Wood H-Frame Structure is shown for illustrative purposes only. b. Structure type for competition can be of any type of any material, but must have three electric phases in a horizontal, vertical, or delta configuration with a minimum of one shield wire that provides a minimum of 30 degree shielding coverage above the conductors. c. Structure type for competition can be of any member of a Structure Family; i. Tangent ii. Angle iii. Deadend / Terminald. Structure must support all load cases as listed on the Loading Diagram while maintaining proper clearances and other criteria.
2. Clearances – While there are many factors to be considered for clearances, the following minimum clearances shall be accounted for in the design of the transmission line and its supporting structures. a. Phase to Structure Clearances – Table 7-1, page 7-5, RUS 1724E-200 i. No Wind / At Rest; 6.0 feet ii. Moderate 6 PSF Wind; 4.2 feet iii. Extreme Wind; 1.7 feet b. Phase to Ground Clearances; 24.9 feet – Table 4-1, page 4-7, RUS 1724E-200 c. Phase-to-Phase Clearances i. At Structure; 9.6 feet – Table 6-1, page 6-3, RUS 1724E-200 ii. In Span; 9.0 feet – Table 6-1, page 6-3, RUS 1724E-200 iii. Jumper Clearances; see Phase to Structure Clearances d. Insulation Length i. Tangent; 7.25 feet – TM-1A, Drawing TM-1, page 44, RUS 1728F-811 1. Suspension or V-String Arrangement Allowed ii. Angle; 8.7 feet – TM-1C – Drawing TM-1, page 44, RUS 1728F-811 1. Suspension or V-String Arrangement Allowed iii. Deadend; 8.6 feet – TM-1D or TM-1E - – Drawing TM-1, page 44, RUS 1728F-811 iv. Insulators may be porcelain, glass, or polymer
3. Span Lengths a. Galloping Limitation; Galloping is not considered to be an issue b. Blowout Limitation; 9.9 feet clearance to edge of Right of Way under Extreme Wind, per Figures 5-1 and 5-9 of RUS 1724E-200. i. Right of Way Width; 150 feet – Table 5-3, page 5-10, RUS 1724E-200 ii. Insulator Swing and Structure Deflection shall be considered iii. Maximum Span; 1200 feet for Blowout Calculations
4. Wires a. Conductor Size and Bundle; i. 795 kcmil, ACSR 26/7 “Drake” ii. 1.094 lb/ft iii. 1.108 inches diameter iv. 31,500# Ultimate Tension v. Bundle of 2, 18” spacing, horizontal or vertical b. Shield Wire Size: i. One or Two Shield Wires ii. Minimum 30° Angle Shielding of Conductors Under Static Condition iii. 3/8” EHS Steel iv. 0.273 lb/ft v. 0.36 inches diameter vi. 15,400# Ultimate Tension c. Wind and Weight Spans i. Maximum Wind Span; 800 feet ii. Maximum Weight Span; 1200 feet For Structure Design iii. Minimum Weight Span; 400 feet For Insulator Swing and Blowout
NOTES
Aesthetic Competition Series
PLS-POLE Drawing
Plan
Longitudinal Transverse Clearance and Shielding Diagram
30 Deg Min. 30 Deg Min.
6.0 Ft. Min. 6.0 Ft. Min.
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4.2 Ft. Min. 4.2 Ft. Min. 4.2 Ft. Min. 4.2 Ft. Min.
1.7 Ft. Min. 1.7 Ft. Min. 1.7 Ft. Min. 1.7 Ft. Min.
59 Deg59 Deg 59 Deg
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Aesthetic Competition SeriesAn Open Competion for Aesthetic Designs
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53705 53705-3 BA 08/17/16 Updated per Committee Comments and Suggestions
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Traditional wood H-Frame structure is shown for illustrative purposes only.Structure type for competition can be of any type of any material, but must havethree electric phases in a horizontal, vertical, or delta configuration with aminimum of one shield wire that provides a minimum of 30 degree shielding coverageabove the conductors
Aesthetic Competition Series
PLS-POLE Drawing
Loading Diagram
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Vertical--------------------------------Load-----------------------------------------------------------------(lbs)---------------------------------
Transverse Longitudinal Transverse-----------------------Wind----------------------------------------------(psf)-----------------------
Longitudinal
Loading Tree
Extreme Wind Right 0 Degree SW1 400 500 0 21 0SW2 400 500 0 21 0
A 2800 2800 0 21 0B 2800 2800 0 21 0C 2800 2800 0 21 0
Extreme Wind Left 180 Degree SW1 400 -400 0 -21 -0SW2 400 -400 0 -21 -0
A 2800 -2200 0 -21 -0B 2800 -2200 0 -21 -0C 2800 -2200 0 -21 -0
Extreme Wind 45 Degree SW1 400 300 0 15 -15SW2 400 300 0 15 -15
A 2800 1500 0 15 -15B 2800 1500 0 15 -15C 2800 1500 0 15 -15
Extreme Wind 135 Degree SW1 400 300 0 15 15SW2 400 300 0 15 15
A 2800 1500 0 15 15B 2800 1500 0 15 15C 2800 1500 0 15 15
Extreme Wind 225 Degree SW1 400 -200 0 -15 15SW2 400 -200 0 -15 15
A 2800 -1100 0 -15 15B 2800 -1100 0 -15 15C 2800 -1100 0 -15 15
Extreme Wind 315 Degree SW1 400 -200 0 -15 -15SW2 400 -200 0 -15 -15
A 2800 -1100 0 -15 -15B 2800 -1100 0 -15 -15C 2800 -1100 0 -15 -15
Concurrent Ice and Wind Right SW1 1600 400 0 2 0SW2 1600 400 0 2 0
A 7000 1300 0 2 0B 7000 1300 0 2 0C 7000 1300 0 2 0
Concurrent Ice and Wind Left SW1 1600 -200 0 -2 -0SW2 1600 -200 0 -2 -0
A 7000 -400 0 -2 -0B 7000 -400 0 -2 -0C 7000 -400 0 -2 -0
Extreme Ice SW1 1000 100 0 0 0SW2 1000 100 0 0 0
A 5200 400 0 0 0B 5200 400 0 0 0C 5200 400 0 0 0
Differential Ice SW1 800 100 0 0 0SW2 800 100 0 0 0
A 4500 300 100 0 0B 4500 300 200 0 0C 4500 300 200 0 0
Broken Conductor Phase A SW1 400 100 -1600 0 0SW2 400 100 0 0 0
A 800 50 2400 0 0B 2800 100 -100 0 0C 2800 100 0 0 0
Broken Conductor Phase B SW1 400 100 -800 0 0SW2 400 100 -800 0 0
A 2800 100 -200 0 0B 800 50 2600 0 0C 2800 100 -200 0 0
Broken Conductor Phase C SW1 400 100 0 0 0SW2 400 100 -1600 0 0
A 2800 100 0 0 0B 2800 100 -100 0 0C 800 50 2400 0 0
Broken Shield Wire 1 SW1 100 50 1200 0 0SW2 400 100 -300 0 0
A 2800 200 -300 0 0B 2800 200 -200 0 0C 2800 200 -100 0 0
Broken Shield Wire 2 SW1 400 100 -300 0 0SW2 100 50 1200 0 0
A 2800 200 -100 0 0B 2800 200 -200 0 0C 2800 200 -300 0 0
Construction Loading SW1 700 100 0 0 0SW2 700 100 0 0 0
A 5400 200 0 0 0B 5400 200 0 0 0C 5400 200 0 0 0
Report Generated: 2:06:47 PM 6/23/2016 (PLS-POLE Version 14.28x64)
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REVISIONS AND RECORD OF ISSUENO
Aesthetic Competition SeriesAn Open Competion for Aesthetic Designs
of Power Delivery Structures Page 4 of 4OJL PLS-POLEOJL 01/21/16
53705 53705-4 BA 08/17/16 Updated per Committee Comments and Suggestions
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