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<br /> I TABLE 5.2
<br /> PLATEAU TUNNEL ALTERNATIVE B COST COMPARISONS
<br /> I Alternatlve 9-1 Alternatlve 9-If Alternaive 9-111
<br /> Item Unit Cost ....-----.......-.---- ------...........---_. --...-.--.---......-.. I
<br /> Ne. Description ($) Quantity Cost Quantity Cost Quantity Cost I
<br />! I ..-------.......--.-......- --........... .....---- -...---.-..- ........- -.---------- ....-.--. -._.-----..- I
<br /> Excavate 7' Wide Tunnel 378 Ileet 3050 It 1,152,900 3050 It 1,152,900 3050 It 1,152,900 I
<br /> I
<br /> 2 Junction Boxes 2500 leach 2 ea 5,000 2 ea 5,000 2 ea 5,000 I
<br /> I I
<br /> 3a New 30" Pipe at E Portal 115 Ifoot 1600 It 184,000 1600 It 184.000 1600 It 184,000 I
<br /> (Materials & Labor) I
<br /> I 3b New 42" Pipe at W Portal 125 Ileet 350 It 43,750 350 ft 43,750 350 ft 43,750 I
<br /> (Materials & Labor) I
<br /> 4 4211 Steel Pipe 70 Ifoot 3050 ft 213,500 3050 ft 213,500 I
<br /> I I
<br /> 5 6011 Concrete Pipe 190 Ifoot 3050 ft 579,500 I
<br /> I
<br /> 6 Install 42" Steel Pipe 40 Ifaot 3050 It 122,000 3050 It 122,000 I
<br /> I I
<br /> 7 Install 6011 Concrete Pipe 150 Ifeet 3050 It 457,500 I
<br /> I
<br /> I 8 Pipe Bedding. supply & 15 ley 397 cy 5,955 397 cy 5,955 397 cy 5,955 I
<br /> instal l I
<br /> 9 Cradleslbraces 150 leach 30 ea 4,500 I
<br /> I I
<br /> 10 Portal Doors: I
<br /> 7'x 8' exterior 2,000 leach 2 ea 4,000 I
<br /> 7'x 8' interior 2,000 leach 2 ea 4.000 I
<br /> I 3'x 7' exterior 1,250 leach 2 ea 2,500 I
<br /> I
<br /> 11 Sand Backf ill 40 Icy 2900 cy 116,000 I
<br /> I I
<br /> 12 Granular Backfill 20 Icy 1955 cy 39.100 I
<br /> -...-..-.-.. ...----..... ......--.-.. I
<br /> SUBTOTAL CONSTRUCTION 1,739,605 2,544,605 1,768,705 I
<br /> I I
<br /> 13 Contingencies (15%) 260,941 381,691 265,306 I
<br /> -........... ._-.-.._---- .-.......... I
<br /> I TOTAL CONSTRUCTION 2,000,546 2.926,296 2,034.011 I
<br /> I
<br /> 14 Right of Uay 1,000 1,000 1,000 I
<br /> I I
<br /> 15 Engineering and Design 100.000 100,000 100,000 I
<br /> I
<br /> 16 Construction Administration 165,000 165,000 165.000 I
<br /> I ..........-. .......--... ...--------- I
<br /> TOTAL 2,266,546 3,192.296 2,300.011 I
<br /> I
<br /> I 17 20 yr Maint . Present Value I
<br /> a Pipel ine 24,800 120 yr ls 24,800 I
<br /> b Access Road 25,400 120 yr ls 25,400 , ls 25.400 1 ls 25,400 I
<br /> ...-.-.-.... ............ ............ I
<br /> I GRAND TOTAL 2,316,746 3,217,696 2,325,411
<br /> 21
<br /> I
<br /> I
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