The AW value for Design A is ​$ /mi. ​(Round to the nearest​ hundreds.) The PW value for Design A is ​$ /mi. ​(Round to the nearest​ hundreds.) The AW value for Design B is $ /mi. ​(Round to the nearest​ hundreds.) The PW value for Design B is ​$ /mi. ​(Round to the nearest​ hundreds.) The most economical design on the basis of AW and PW is

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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The AW value for Design A is ​$ /mi. ​(Round to the nearest​ hundreds.)

The PW value for Design A is ​$ /mi. ​(Round to the nearest​ hundreds.)

The AW value for Design B is $ /mi. ​(Round to the nearest​ hundreds.)

The PW value for Design B is ​$ /mi. ​(Round to the nearest​ hundreds.)

The most economical design on the basis of AW and PW is

A new highway is to be constructed. Design A calls for a concrete pavement costing $85 per foot with a 12-year life; two paved ditches costing $5 per foot each; and two box culverts every mile, each costing $8,000 and having a 12-year life.
Annual maintenance will cost $1,800 per mile; the culverts must be cleaned every three years at a cost of $400 each per mile.
Design B calls for a bituminous pavement costing $40 per foot with a 6-year life; two sodded ditches costing $1.55 per foot each; and two pipe culverts every mile, each costing $2,100 and having a 6-year life. The replacement culverts will cost
$2,450 each. Annual maintenance will cost $2,600 per mile; the culverts must be cleaned yearly at a cost of $225 each per mile; and the annual ditch maintenance will cost $1.45 per foot per ditch.
Compare the two designs on the basis of equivalent worth per mile for a 12-year period. Find the most economical design on the basis of AW and PW if the MARR is 10% per year.
Click the icon to view the interest and annuity table for discrete compounding when the MARR is 10% per year.
Transcribed Image Text:A new highway is to be constructed. Design A calls for a concrete pavement costing $85 per foot with a 12-year life; two paved ditches costing $5 per foot each; and two box culverts every mile, each costing $8,000 and having a 12-year life. Annual maintenance will cost $1,800 per mile; the culverts must be cleaned every three years at a cost of $400 each per mile. Design B calls for a bituminous pavement costing $40 per foot with a 6-year life; two sodded ditches costing $1.55 per foot each; and two pipe culverts every mile, each costing $2,100 and having a 6-year life. The replacement culverts will cost $2,450 each. Annual maintenance will cost $2,600 per mile; the culverts must be cleaned yearly at a cost of $225 each per mile; and the annual ditch maintenance will cost $1.45 per foot per ditch. Compare the two designs on the basis of equivalent worth per mile for a 12-year period. Find the most economical design on the basis of AW and PW if the MARR is 10% per year. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 10% per year.
A new highway is to be constructed. Design A calls for a c
Annual maintenance will cost $1,800 per mile; the culverts
Design B calls for a bituminous pavement costing $40 per
$2,450 each. Annual maintenance will cost $2,600 per mil
Compare the two designs on the basis of equivalent worth
Click the icon to view the interest and annuity table fo
The AW value for Design A is $/mi. (Round to the neare
Reference
N
1
2
3
4
5
6
7
8
9
9E
10
11
12
13
14
15
16
17
18
19
20
Amoun
Factor
To Find F
Given P
FIP
1.1000
1.2100
1.3310
1.4641
1.6105
1.7716
1.9487
2.1436
2.3579
2.5937
2.8531
3.1384
3.4523
3.7975
4.1772
4.5950
5.0545
5.5599
6.1159
6.7275
TresenU
Worth Factor
To Find P
Given F
PIF
0.9091
0.8264
0.7513
0.6830
0.6209
0.5645
0.5132
0.4665
0.4241
0.3855
0.3505
0.3186
0.2897
0.2633
0.2394
0.2176
0.1978
0.1799
0.1635
0.1486
Print
AmounIU
Factor
To Find F
Given A
FIA
1.0000
2.1000
3.3100
4.6410
6.1051
7.7156
9.4872
11.4359
13.5795
15.9374
18.5312
21.3843
24.5227
27.9750
31.7725
35.9497
40.5447
45.5992
51.1591
57.2750
Presen
Worth Factor
To Find P
Given A
PIA
0.9091
1.7355
2.4869
3.1699
3.7908
4.3553
4.8684
5.3349
5.7590
6.1446
6.4951
6.8137
7.1034
7.3667
7.6061
7.8237
8.0216
8.2014
8.3649
8.5136
Done
Tuna
Factor
To Find A
Given F
A/F
1.0000
0.4762
0.3021
0.2155
0.1638
0.1296
0.1054
0.0874
0.0736
0.0627
0.0540
0.0468
0.0408
0.0357
0.0315
0.0278
0.0247
0.0219
0.0195
0.0175
Recovery
Factor
To Find A
Given P
AIP
1.1000
0.5762
0.4021
0.3155
0.2638
0.2296
0.2054
0.1874
0.1736
0.1627
0.1540
0.1468
0.1408
0.1357
0.1315
0.1278
0.1247
0.1219
0.1195
0.1175
I
X
mile, each costing $8,000 and having a 12-year life.
having a 6-year life. The replacement culverts will cost
per ditch.
Transcribed Image Text:A new highway is to be constructed. Design A calls for a c Annual maintenance will cost $1,800 per mile; the culverts Design B calls for a bituminous pavement costing $40 per $2,450 each. Annual maintenance will cost $2,600 per mil Compare the two designs on the basis of equivalent worth Click the icon to view the interest and annuity table fo The AW value for Design A is $/mi. (Round to the neare Reference N 1 2 3 4 5 6 7 8 9 9E 10 11 12 13 14 15 16 17 18 19 20 Amoun Factor To Find F Given P FIP 1.1000 1.2100 1.3310 1.4641 1.6105 1.7716 1.9487 2.1436 2.3579 2.5937 2.8531 3.1384 3.4523 3.7975 4.1772 4.5950 5.0545 5.5599 6.1159 6.7275 TresenU Worth Factor To Find P Given F PIF 0.9091 0.8264 0.7513 0.6830 0.6209 0.5645 0.5132 0.4665 0.4241 0.3855 0.3505 0.3186 0.2897 0.2633 0.2394 0.2176 0.1978 0.1799 0.1635 0.1486 Print AmounIU Factor To Find F Given A FIA 1.0000 2.1000 3.3100 4.6410 6.1051 7.7156 9.4872 11.4359 13.5795 15.9374 18.5312 21.3843 24.5227 27.9750 31.7725 35.9497 40.5447 45.5992 51.1591 57.2750 Presen Worth Factor To Find P Given A PIA 0.9091 1.7355 2.4869 3.1699 3.7908 4.3553 4.8684 5.3349 5.7590 6.1446 6.4951 6.8137 7.1034 7.3667 7.6061 7.8237 8.0216 8.2014 8.3649 8.5136 Done Tuna Factor To Find A Given F A/F 1.0000 0.4762 0.3021 0.2155 0.1638 0.1296 0.1054 0.0874 0.0736 0.0627 0.0540 0.0468 0.0408 0.0357 0.0315 0.0278 0.0247 0.0219 0.0195 0.0175 Recovery Factor To Find A Given P AIP 1.1000 0.5762 0.4021 0.3155 0.2638 0.2296 0.2054 0.1874 0.1736 0.1627 0.1540 0.1468 0.1408 0.1357 0.1315 0.1278 0.1247 0.1219 0.1195 0.1175 I X mile, each costing $8,000 and having a 12-year life. having a 6-year life. The replacement culverts will cost per ditch.
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