Page 186 - Michigan City, IN US Highway 421 Corridor Plan

5.6 Order of Magnitude Costs

The cost estimate for improvements to US Highway 421 / S. The cost estimate for extending Ohio Street south of CR W
Franklin Street includes narrowing of the thoroughfare through 400 N includes signalization at the intersection of Ohio Street
saw-cutting and removing asphalt pavement and subbase; and CR W 400 N; clearing and grading, the construction of the
miscellaneous drainage, backfilling, grading, and drainage roadway; finish grading;and stabilization; the construction of a
improvements; the construction of concrete curbs and gutters 10 ft. wide recreational trail; and the installation of street trees
on both sides of the roadway; the construction of sidewalks; and ornamental street lights. The estimate does not include land
the installation of ornamental street lights and street trees; aquisition.
and restriping of the thoroughfare. The cost estimate does not
include roadway resurfacing.

Table 5.6.7 US Highway 421 / S. Franklin Street Improvements Table 5.6.8 Extension of Ohio Street South

Table 5.6.7 US Highway 421 / S. Franklin Street Improvements Table 5.6.8 Extension of Ohio Street South
US Highway 421 / S. Extension of Ohio Signalization at
Franklin Street from CR Item Description Unit Street South Ohio Street and CR
400N to Coolspring Avenue
Item Description $ / Single Unit (Note 1) W 400 N
Transportation Improvements
(Lane narrowing & drainage General
for 10,560’)
Construction Engineering (15%) $251,265 $52,500
General
Mobilization/Demobilization (5%) $83,755 $17,500
Construction Engineering (15%) $906,613
Clearing ROW (2%) $33,502 $7,000
Mobilization/Demobilization (5%) $302,204
Erosion Control (1%) $16,751 $3,500
Demolition (5%) $302,204
Maintenance of Traffic (2%) $33,502 $7,000
Erosion Control (1%) $60,441
Earthwork
Maintenance of Traffic (2%) $120,882
Earthwork Subgrade Treatment (2) $111,100
Aggregate Pavement and Bases
Subgrade Treatment 0
Aggregate Pavement and Bases Structure backfill, Drainage Improvements (2) $225,000
Structure Backfill, Drainage Improvements $157 $1,657,920 Common Excavation (assumed depth 1.5 ft) (2) $260,000
Common Excavation (assumed depth 1.5 ft) $49.50 $522,720 Asphalt Pavement
Asphalt Pavement HMA Pavement (2) $412,500
HMA Pavement $62.85 $663,696 HMA for tack coat (2) $500
HMA for tack coat $1 $10,560 ROW Stabilization
Concrete Curb and Gutter $50 $528,000 Finish grading (3) $25,000
Hydro-seeding/mulching $26.70 $281,952 Hydro-seeding/mulching (3) $10,000
Incidental Construction Recreational Trail (10 ft. wide) linear foot (4) $216,000
Pavement Striping $24 $25,344 Incidental Construction
Sidewalk, Concrete (5 ft. wide) $13.90 $146,854 Striping linear foot (5) $15,000
Trees, 50 ft. O.C. $45 $475,200 Trees, 50 ft. O.C. $50,000
Ornamental street lights (100 ft. O.C., staggered) $140 $1,478,400 Ornamental street lights (100 ft. O.C., staggered) $350,000
Removal Items $24 $253,440 Total (in 2015 dollars) $1,675,100 $353,000
Total $6,044,086 Contingency (20%) $335,020 $70,600
Contingency (20%) $1,208,974 Grand Total $2,428,895 $423,600
Grand Total $8,945,404 (1) Extension of Ohio Street south (CR 1050 W) to Interstate 94 ROW: two lane road (25 ft. width) approx. 2,500 lin.
feet (62,500 sq. ft.)
(2) Area of roadway = 62,500 sq. ft.
(3) Area of disturbance = 25 ft. on either side of roadway (total area; 125,000 sq. ft.)
(4) Total approximate length: 2,500 lin. ft. ($76 per lin. ft = 10’ wide, on 6” compacted stone subbase, 2 ft. of earth-
work, stabilization
5-67

Adopted: August 16, 2016 Implementation 5.0