|
Northern Arizona University |
|
Senior Capstone Project Spring 2006 |
|
Our first set of design alternatives featured the Earthen roadway that was suggested by the City of Flagstaff as well as a hybrid design featuring a small span bridge and a significant amount of fill. |
|
Design Alternatives |
|
Fill Roadway |
|
|
|
|
|
|
|
Material |
Quantity |
|
Unit Cost |
Cost |
Contingency |
Est. Cost |
|
Earth Fill Excavation, Load |
1000 |
Cubic Yards |
35 |
35000 |
0.1 |
38,500 |
|
Backfill |
1000 |
Cubic Yards |
35 |
35000 |
0.1 |
38,500 |
|
24" Corrugated Metal Pipe 70 ft length |
2 |
Pipes |
15 |
2100 |
0.1 |
2,310 |
|
Geotechnical Analysis |
1 |
Report |
10000 |
10000 |
0.1 |
11,000 |
|
3" Thick Asphalt Road Surface |
10 |
Cubic Yards |
250 |
2500 |
0.1 |
2,750 |
|
Railing |
300 |
Feet |
70 |
21000 |
0.1 |
23,100 |
|
|
|
|
|
105600 |
0.1 |
116,160 |
|
Combination Fill and Pre-Fab Steel Bridge |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Material |
Quantity |
|
Unit Cost |
Cost |
Contingency |
Est. Cost |
|
Earth Fill Excavation, Load |
600 |
Cubic Yards |
35 |
21000 |
0.1 |
23,100 |
|
Backfill |
600 |
Cubic Yards |
35 |
21000 |
0.1 |
23,100 |
|
Reinforced Concrete Abutment |
20 |
Cubic Yards |
400 |
8000 |
0.1 |
8,800 |
|
Concrete Apron |
1.5 |
Cubic Yards |
225 |
337.5 |
0.1 |
371.25 |
|
Geotechnical Analysis |
1 |
Report |
10000 |
10000 |
0.1 |
11,000 |
|
3" Thick Asphalt Road Surface |
10 |
Cubic Yards |
250 |
2500 |
0.1 |
2,750 |
|
Railing |
160 |
Feet |
70 |
11200 |
0.1 |
12,320 |
|
Prefabricated Steel Bridge |
1 |
Bridge |
95000 |
95000 |
0.1 |
104,500 |
|
|
|
|
|
169038 |
0.1 |
185,941 |
|
Combination Fill and Pre-Fab Concrete Bridge |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Material |
Quantity |
|
Unit Cost |
Cost |
Contingency |
Est. Cost |
|
Earth Fill Excavation, Load |
600 |
Cubic Yards |
35 |
21000 |
0.1 |
23,100 |
|
Backfill |
600 |
Cubic Yards |
35 |
21000 |
0.1 |
23,100 |
|
Reinforced Concrete Abutment |
20 |
Cubic Yards |
400 |
8000 |
0.1 |
8,800 |
|
Concrete Apron |
1.5 |
Cubic Yards |
225 |
337.5 |
0.1 |
371.25 |
|
Geotechnical Analysis |
1 |
Report |
10000 |
10000 |
0.1 |
11,000 |
|
3" Thick Asphalt Road Surface |
10 |
Cubic Yards |
250 |
2500 |
0.1 |
2,750 |
|
Railing |
160 |
Feet |
70 |
11200 |
0.1 |
12,320 |
|
Prefabricated Concrete Bridge |
222 |
Cubic Yards |
400 |
88800 |
0.1 |
97,680 |
|
|
|
|
|
162838 |
0.1 |
179,121 |
|
Combination Fill and Pre-Fab Timber Bridge |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Material |
Quantity |
|
Unit Cost |
Cost |
Contingency |
Est. Cost |
|
Earth Fill Excavation, Load |
600 |
Cubic Yards |
35 |
21000 |
0.1 |
23,100 |
|
Backfill |
600 |
Cubic Yards |
35 |
21000 |
0.1 |
23,100 |
|
Reinforced Concrete Abutment |
20 |
Cubic Yards |
400 |
8000 |
0.1 |
8,800 |
|
Concrete Apron |
1.5 |
Cubic Yards |
225 |
337.5 |
0.1 |
371.25 |
|
Geotechnical Analysis |
1 |
Report |
10000 |
10000 |
0.1 |
11,000 |
|
3" Thick Asphalt Road Surface |
10 |
Cubic Yards |
250 |
2500 |
0.1 |
2,750 |
|
Railing |
160 |
Feet |
70 |
11200 |
0.1 |
12,320 |
|
Prefabricated Timber Bridge |
1 |
Bridge |
75000 |
75000 |
0.1 |
82,500 |
|
|
|
|
|
149038 |
0.1 |
163,941 |
|
|
|
|
|
|
||