glac01045_McDonaldCreek_VerticalAlignmentReport_MAIN.pdf
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- Solicitation number
- 69056721B000017
About this file
This vertical alignment report details the grade and station elevations for a proposed road rehabilitation project on the Going-to-the-Sun Road over McDonald Creek in Montana. The report includes 14 elements consisting of tangent sections, symmetrical parabolas, and linear sections. Entrance and exit grades, length, and middle ordinate are provided for each element. The related federal contract opportunity is a solicitation to rehabilitate the final 9.3 miles of the Going-to-the-Sun Road and replace the bridge over McDonald Creek for the Department of Transportation Federal Highway Administration. The solicitation number and additional details about the project scope are included.
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Text version
Upper McDonald Creek Road - Vertical Alignment Review Report
Report Created: Monday, August 23, 2021 Time: 2:47:43 PM
Project: Default
Description:
File Name:
F:\highways\FHWA\21500007_mt-glac1045_UpperMcDonaldCreekBridge\Upper McDonald Creek Bridge\dgn\mt-glac01045_ha01.dgn
Last Revised:
8/23/2021 14:36:16
Note: All units in this report are in feet unless specified otherwise.
Horizontal Alignment: MAIN
Horizontal Description:
Horizontal Style: Alignment\Baseline
Vertical Alignment: MAIN_PR
Vertical Description:
Vertical Style: Alignment\Baseline
Station Elevation
Element: Linear
START 354.993 3170.640
VPC 355.000 3170.640
Tangent Grade: 0.000
Tangent Length: 0.007
Element: Symmetrical Parabola
VPC 355.000 3170.640
VPI 480.000 3170.650
VPT 605.000 3174.798
Length: 250.000
Entrance Grade: 0.000
Exit Grade: 0.033 r = (g2 - g1) / L: 1.324
K = l / (g2 - g1): 75.519
Middle Ordinate: 1.035
Element: Linear
VPT 605.000 3174.798
VPC 700.000 3177.951
Tangent Grade: 0.033
Tangent Length: 95.000
Element: Symmetrical Parabola
VPC 700.000 3177.951
VPI 725.000 3178.780
Page 1 of 3Vertical Alignment Review Report
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VPT 750.000 3179.030
Length: 50.000
Entrance Grade: 0.033
Exit Grade: 0.010 r = (g2 - g1) / L: -4.638
K = l / (g2 - g1): 21.562
Middle Ordinate: -0.145
Element: Linear
VPT 750.000 3179.030
VPC 1025.000 3181.779
Tangent Grade: 0.010
Tangent Length: 275.000
Element: Symmetrical Parabola
VPC 1025.000 3181.779
VPI 1050.000 3182.029
VPT 1075.000 3181.411
VHP 1039.399 3181.851
Length: 50.000
Entrance Grade: 0.010
Exit Grade: -0.025 r = (g2 - g1) / L: -6.942
K = l / (g2 - g1): 14.405
Middle Ordinate: -0.217
Element: Linear
VPT 1075.000 3181.411
VPC 1212.500 3178.013
Tangent Grade: -0.025
Tangent Length: 137.500
Element: Symmetrical Parabola
VPC 1212.500 3178.013
VPI 1300.000 3175.850
VPT 1387.500 3176.881
VLP 1331.019 3176.548
Length: 175.000
Entrance Grade: -0.025
Exit Grade: 0.012 r = (g2 - g1) / L: 2.085
K = l / (g2 - g1): 47.955
Middle Ordinate: 0.798
Element: Linear
VPT 1387.500 3176.881
VPC 1475.000 3177.911
Tangent Grade: 0.012
Tangent Length: 87.500
Page 2 of 3Vertical Alignment Review Report
Element: Symmetrical Parabola
VPC 1475.000 3177.911
VPI 1525.000 3178.500
VPT 1575.000 3178.621
Length: 100.000
Entrance Grade: 0.012
Exit Grade: 0.002 r = (g2 - g1) / L: -0.935
K = l / (g2 - g1): 106.940
Middle Ordinate: -0.117
Element: Linear
VPT 1575.000 3178.621
END 1851.811 3179.293
Tangent Grade: 0.002
Tangent Length: 276.811
Page 3 of 3Vertical Alignment Review Report
File details come from the government source that posted it. Updated .