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<br />I
<br />I TABLE 5.1
<br /> PLATEAU TUNNEL ALTERNATIVE A COST COMPAR I SONS
<br />I Alternative A-J Alternative A-II Alternaive A-III
<br />Item Unit Cost .......--...-....----- ----------.-------.--- --------.-------...-..
<br />No. Description ($) Quant i ty Cost Quantity Cost Quantity Cost
<br /> .-----..---..--.---.......- -...-.......- ---...--- ---...--..-. .-------- ---------..- .-.--.-.. .-----..----
<br />I Excavate 7' 'Wide Tunnel 378 floot 3050 It 1,152,900 3050 1.152,900 3050 It 1,152,900
<br /> 2 Junction Boxes 2500 feach 2 ea 5,000 2 ea 5,000 2 ea 5,000
<br />I 3 New 3011 Pipe at E Portal 115 floot 1600 It 184,000 1600 It 184,000 1600 It 184,000
<br /> (Materials & labor)
<br /> 4 4211 Steel Pipe 70 /foot 3050 It 213,500 3050 It 213,500
<br />I
<br />5 60" Concrete Pipe 190 floot 3050 It 579,500
<br />I 6 Install 42" Steel Pipe 40 Ifoot 3050 It 122,000 3050 It 122,000
<br /> 7 Install 60" Concrete Pipe 150 floot 3050 It 457,500
<br />I 8 Pipe Bedding - supply & 15 fcy 397 cy 5.955 397 cy 5,955 397 cy 5,955
<br /> install
<br /> 9 Cradles/braces 150 leach 30 ea 4,500
<br />I 10 Portal Doors:
<br /> 7'x 8' exterior 2,000 feach 2 ea 4,000
<br />I 7'x 8' interior 2,000 feach 2 ea 4,000
<br /> 3'x 7' exterior 1,250 feach 2 ea 2,500
<br /> II Sand Bacld iLL 40 fcy 2900 cy 116.000
<br />I
<br />12 GranuLar Backli II 20 fcy 1955 cy 39,100
<br /> --.._---._-- --------.-.- -------..---
<br />I SUBTOTAL CONSTRUCTION 1,695,855 2,500,855 1,724,955
<br /> 13 Contingencies (15%) 254,378 375,128 258,743
<br />I .-.-..-....- .-------.--. ....---.---.
<br /> TOTAL CONSTRUCTION 1,950,233 2,875,983 1.983,698
<br /> 14 Right of 'Way 1,000 1,000 1,000
<br />I 15 Engineering and Design 100,000 100,000 100,000
<br />I 16 Construction Administration 165,000 165,000 165,000
<br /> ---..----.-- ------------ ---.-.-.----
<br /> TOTAL 2,216,233 3,141,983 2,249,698
<br />I 17 20 yr Maint - Present Value
<br /> a Pipel ine 24,800 f20 yr Is 24,800
<br /> b Access Road 25,400 f20 yr Is 25,400 I Is 25,400 1 Is 25,400
<br />I --...------- ------------ ......-....-
<br /> GRAND TOTAL 2,266,433 3,167,383 2,275,098
<br /> 20
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