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Vantage to Pomona Heights Chapter 2
<br />230 kV Transmission Line Project FEIS Proposed Action and Alternatives
<br /> PAGE 2-90
<br />Table 2-13 Areas with Long-term, Permanent Disturbance - Overhead Transmission Line Construction (By Action Alternative)
<br />*Agency Preferred Alternative
<br />ACTION
<br />ALTERNATIVE
<br />STRUCTURES
<br />TOTAL LONG-TERM STRUCTURE AND WORK AREA DISTURBANCE
<br />TANGENT
<br />H-FRAME STRUCTURES
<br />20″ Diameter
<br />Poles (2) + auger holes = 7.5 sq. ft.
<br />x 2 = 15 sq. ft. per structure
<br />TANGENT SINGLE POLE STRUCTURES
<br />24″ Diameter
<br />Pole + auger hole =
<br />8 sq. ft. per structure
<br />ANGLE/DEAD END STRUCTURES
<br />30″ Diameter
<br />Poles (3) + auger holes + guys = 7 sq. ft. x 3 = 24
<br />sq. ft. per structure
<br />STEEL LATTICE
<br />4 Footings, 60’x60’
<br />(3,600 sq. ft.)
<br />WORK PADS AT EACH STRUCTURE
<br />30x40’ (1,200 sq. ft.)
<br />>8% slope
<br />Square Feet Acres Square Feet Acres Square Feet Acres Square Feet Acres Square Feet Acres Square Feet Acres
<br />Alternative A 5,366 0.12 1,112 0.03 792 0.02 7,200 0.17 246,000 5.65 260,470 5.98
<br />Alternative B 4,190 0.10 1,728 0.04 528 0.01 7,200 0.17 205,080 4.71 218,726 5.02
<br />Alternative C 4,200 0.10 1,864 0.04 552 0.01 7,200 0.17 172,320 3.96 186,136 4.27
<br />Alternative D 5,376 0.12 1,248 0.03 816 0.02 7,200 0.17 213,240 4.90 227,880 5.23
<br />Alternative E 3,959 0.09 1,936 0.04 552 0.01 7,200 0.17 213,840 4.91 227,487 5.22
<br />Alternative F 5,135 0.12 1,320 0.03 816 0.02 7,200 0.17 254,760 5.85 269,231 6.18
<br />Alternative G 3,969 0.09 2,072 0.05 576 0.01 7,200 0.17 181,080 4.16 194,897 4.47
<br />Alternative H 5,145 0.12 1,456 0.03 840 0.02 7,200 0.17 222,000 5.10 236,641 5.43
<br />NNR Alternative –
<br />Overhead Design Option* 3,780 0.09 336 0.01 768 0.02 7,200 0.17 291,480 6.69 303,564 6.97
<br />NNR Alternative – MR Subroute 4,547 0.10 336 0.01 864 0.02 7,200 0.17 360,360 8.27 373,307 8.57
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