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Thoughts to Ponder…. A Steel Pole Perspective by George Tamez, PE. Why Steel?. Evaluation. Strength Environmental Customer Acceptance Inventory & Handling Lineman Concerns. Steel. D. Wood. Intangible Decision is Steel.
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A Steel Pole Perspective by George Tamez, PE
Evaluation • Strength • Environmental • Customer Acceptance • Inventory & Handling • Lineman Concerns
Steel D Wood Intangible Decision is Steel Inventory & Handling Linemen Concerns Customer Acceptance Environmental Strength
NPV: Time & Money • New Installation • Replacement Accessible
10 20 30 35 45 55 65 70 $ 1537 Steel – New Installation WACC= 7% Inflation= 2% 112 3000 1500 29 24 20 10 15 12 NPV s =
10 20 30 35 45 55 65 70 $ 1235 Wood – New Installation WACC= 7% Inflation= 2% 1060 2100 950 530 70 58 48 25 30 36 NPV w =
10 20 30 35 45 55 65 70 $ 2137 Steel – Replacement Accessible WACC= 7% Inflation= 2% 112 3000 2100 29 24 20 10 15 12 NPV s-r =
10 20 30 35 45 55 65 70 $ 1335 Wood – Replacement Accessible WACC= 7% Inflation= 2% 1060 2100 1050 530 70 58 48 25 30 36 NPV w-r =
Tangible Decision is Wood • New Installation • (NPV s) > (NPV w) by ~ $ 300 • Replacement Accessible • (NPV s-r) > (NPV w-r) by ~ $ 800
1,566 sq miles • 7,450 OH ckt miles • 360,000 poles
Net Yearly InstallationsWood vs. Steel Wood decreases by avg. of 27% Steel increases by avg. of 46%
Agreements to Use Steel • San Antonio Capital Civic Improvements • Suburban Cities * Universal City * City of Live Oak * City of Schertz • Military Bases * Camp Bullis/Fort Sam Houston * Brooks • Conversion/Beautification Projects
Recommendation are… • Discontinue use of steel on system improvements, • Continue use steel for City of SA Civics/Political, • Continue use steel for reimbursable customer requests,
“ Tis easy to See, hard to Forsee.” ~~Benjamin Franklin.