mt-a2907861_GlacierDrive_proposed-vertical-alignment.pdf
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- Solicitation number
- 69056722B000016
About this file
This document provides a vertical alignment review report and plans for a federal highway resurfacing project. The project involves resurfacing approximately 35 to 60 miles of the North Fork of the Flathead River and Blankenship and Belton Stage Road in Flathead County, Montana. The report details the existing vertical alignment, including station elevations, element types such as tangents and parabolas, entrance and exit grades, and length of elements. It also identifies the project number as MT Flathead 486(1)/MT FLAP FLATHD 2021(1) and the related federal solicitation number as 69056722B000016. The opportunity is for resurfacing work to be completed on the specified roads in Flathead County, Montana and is being issued by the Department of Transportation Federal Highway Administration.
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PHYSICAL DATA
for
FEDERAL HIGHWAY ADMINISTRATION
WESTERN FEDERAL LANDS HIGHWAY DIVISION
MT FLATHEAD 486(1) / MT FLAP FLATHD
2021(1)
NORTH FORK OF THE FLATHEAD RIVER /
BLANKENSHIP AND BELTON STAGE ROAD
RESURFACING
PROPOSED VERTICAL ALIGNMENT
NORTH FORK ROAD
Vertical Alignment Review Report Report Created: Friday, August 12, 2022
Time: 3:11:39 PM
Project: MT FLATHEAD 486(1) / MT FLAP FLATHD 2021(1) Description: Polebridge Loop and Glacier Drive
File Name: C:\Users\Jason.VanDyke\Desktop\Export From ProjectWise\Managed\MT_FLATHEAD_486(1)_glacier_xa01.dgn
Last Revised: 8/12/2022 14:38:10
Note: All units in this report are in feet unless specified otherwise.
Horizontal Alignment: MAIN1 Horizontal Description:
Horizontal Style: Alignment\Baseline
Vertical Alignment: AUX_03 Vertical Description:
Vertical Style: Alignment\Baseline Station Elevation
Element: Linear
START 1124.84 3533.245
VPC 1145.00 3533.232
Tangent Grade: -0.001
Tangent Length: 20.160
Element: Symmetrical Parabola
VPC 1145.00 3533.232
VPI 1195.00 3533.200
VPT 1245.00 3532.390
Length: 100.000
Entrance Grade: -0.001 Exit Grade: -0.016 r = 100 * (g2 - g1) / L: -1.555 K = l / (g2 - g1): 64.318
Middle Ordinate: -0.194
Element: Linear
VPT 1245.00 3532.390
VPC 1262.50 3532.107
Tangent Grade: -0.016 Tangent Length: 17.500
Element: Symmetrical Parabola
VPC 1262.50 3532.107
VPI 1300.00 3531.500
Page 1 of 5Vertical Alignment Review Report
8/12/2022
VPT 1337.50 3531.300
Length: 75.000
Entrance Grade: -0.016 Exit Grade: -0.005 r = 100 * (g2 - g1) / L: 1.448 K = l / (g2 - g1): 69.079
Middle Ordinate: 0.102
Element: Linear
VPT 1337.50 3531.300
VPC 1345.00 3531.260
Tangent Grade: -0.005 Tangent Length: 7.500
Element: Symmetrical Parabola
VPC 1345.00 3531.260
VPI 1375.00 3531.100
VPT 1405.00 3531.085
Length: 60.000
Entrance Grade: -0.005 Exit Grade: -0.000 r = 100 * (g2 - g1) / L: 0.808 K = l / (g2 - g1): 123.826
Middle Ordinate: 0.036
Element: Linear
VPT 1405.00 3531.085
VPC 1530.00 3531.024
Tangent Grade: -0.000 Tangent Length: 125.000
Element: Symmetrical Parabola
VPC 1530.00 3531.024
VPI 1580.00 3531.000
VPT 1630.00 3531.000
Length: 100.000
Entrance Grade: -0.000 Exit Grade: 0.000 r = 100 * (g2 - g1) / L: 0.049 K = l / (g2 - g1): 2050.000
Middle Ordinate: 0.006
Element: Linear
VPT 1630.00 3531.000
VPC 2050.00 3531.000
Tangent Grade: 0.000 Tangent Length: 420.000
Element: Symmetrical Parabola
VPC
Page 2 of 5Vertical Alignment Review Report
2050.00 3531.000
VPI 2150.00 3531.000
VPT 2250.00 3532.191
Length: 200.000
Entrance Grade: 0.000 Exit Grade: 0.012 r = 100 * (g2 - g1) / L: 0.596 K = l / (g2 - g1): 167.857
Middle Ordinate: 0.298
Element: Linear
VPT 2250.00 3532.191
VPC 2285.00 3532.609
Tangent Grade: 0.012 Tangent Length: 35.000
Element: Symmetrical Parabola
VPC 2285.00 3532.609
VPI 2385.00 3533.800
VPT 2485.00 3534.097
Length: 200.000
Entrance Grade: 0.012 Exit Grade: 0.003 r = 100 * (g2 - g1) / L: -0.447 K = l / (g2 - g1): 223.577
Middle Ordinate: -0.224
Element: Linear
VPT 2485.00 3534.097
VPC 3430.00 3536.903
Tangent Grade: 0.003 Tangent Length: 945.000
Element: Symmetrical Parabola
VPC 3430.00 3536.903
VPI 3530.00 3537.200
VPT 3630.00 3537.471
Length: 200.000
Entrance Grade: 0.003 Exit Grade: 0.003 r = 100 * (g2 - g1) / L: -0.013 K = l / (g2 - g1): 7699.566
Middle Ordinate: -0.006
Element: Linear
VPT 3630.00 3537.471
VPC 4880.00 3540.858
Tangent Grade: 0.003 Tangent Length: 1250.000
Page 3 of 5Vertical Alignment Review Report
Element: Symmetrical Parabola
VPC 4880.00 3540.858
VPI 5080.00 3541.400
VPT 5280.00 3541.545
Length: 400.000
Entrance Grade: 0.003 Exit Grade: 0.001 r = 100 * (g2 - g1) / L: -0.050 K = l / (g2 - g1): 2016.961
Middle Ordinate: -0.099
Element: Linear
VPT 5280.00 3541.545
VPC 6000.00 3542.068
Tangent Grade: 0.001 Tangent Length: 720.000
Element: Symmetrical Parabola
VPC 6000.00 3542.068
VPI 6250.00 3542.250
VPT 6500.00 3543.382
Length: 500.000
Entrance Grade: 0.001 Exit Grade: 0.005 r = 100 * (g2 - g1) / L: 0.076 K = l / (g2 - g1): 1314.781
Middle Ordinate: 0.238
Element: Linear
VPT 6500.00 3543.382
VPC 7000.00 3545.647
Tangent Grade: 0.005 Tangent Length: 500.000
Element: Symmetrical Parabola
VPC 7000.00 3545.647
VPI 7100.00 3546.100
VPT 7200.00 3546.198
Length: 200.000
Entrance Grade: 0.005 Exit Grade: 0.001 r = 100 * (g2 - g1) / L: -0.177 K = l / (g2 - g1): 563.814
Middle Ordinate: -0.089
Element: Linear
VPT 7200.00 3546.198
VPC 7535.00 3546.527
Page 4 of 5Vertical Alignment Review Report
Tangent Grade: 0.001 Tangent Length: 335.000
Element: Symmetrical Parabola
VPC 7535.00 3546.527
VPI 7660.00 3546.650
VPT 7785.00 3551.579
Length: 250.000
Entrance Grade: 0.001 Exit Grade: 0.039 r = 100 * (g2 - g1) / L: 1.538 K = l / (g2 - g1): 65.018
Middle Ordinate: 1.202
Element: Linear
VPT 7785.00 3551.579
END 8039.50 3561.615
Tangent Grade: 0.039 Tangent Length: 254.501
Page 5 of 5Vertical Alignment Review Report
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