DENA01036_VA.pdf
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- Attached to
- AK PRA DENA 10(36), Replace Ghiglione Bridge Federal contract opportunity
- Solicitation number
- 69056725B000009
About this file
The Vertical Alignment Review Report is a technical document created on July 30, 2020, detailing the vertical and horizontal alignment specifications for a road or infrastructure project. The report provides comprehensive data on station elevations, tangent grades, and vertical curve elements across multiple linear and parabolic sections. Key technical details include:
The alignment begins at station 80000.460 with an initial elevation of 3417.105 feet and progresses through several linear and symmetrical parabola elements, with changing tangent grades ranging from -0.077 to -0.005. The total documented alignment spans from the start point to the end point at station 81617.230, with a final elevation of 3349.140 feet. The horizontal alignment is designated as PR_ALTG and follows an Alignment\Baseline style, with various calculated parameters such as rate of grade change (r), K-value, and middle ordinate for different segments of the alignment.
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Text version
Vertical Alignment Review Report
Report Created: Thursday, July 30, 2020 Time: 9:16:54 AM
Project: Default
Description:
File Name: c:\pw-work\d0416491\AK_PRA_DENA_10(36)_ALI.dgn
Last Revised: 7/30/2020 09:02:10
Note: All units in this report are in feet unless specified otherwise.
Horizontal Alignment: PR_ALTG
Horizontal Description:
Horizontal Style: Alignment\Baseline
Vertical Alignment: PR_ALTG
Vertical Description:
Vertical Style: Alignment\Baseline Station Elevation
Element: Linear
START 80000.460 R1 3417.105
VPI 80110.000 R1 3408.635
Tangent Grade: -0.077
Tangent Length: 109.540
VPI 80110.000 R1 3408.635
VPI 80260.000 R1 3399.701
Tangent Grade: -0.060
Tangent Length: 150.000
VPI 80260.000 R1 3399.701
VPC 80645.000 R1 3375.492
Tangent Grade: -0.063
Tangent Length: 385.000
Element: Symmetrical Parabola
VPC 80645.000 R1 3375.492
VPI 80695.000 R1 3372.348
VPT 80745.000 R1 3372.098
Length: 100.000
Entrance Grade: -0.063
Exit Grade: -0.005
Horizontal Style: Alignment\Baseline r = (g2 - g1) / L: 5.788
K = l / (g2 - g1): 17.277
Middle Ordinate: 0.724
VPT 80745.000 R1 3372.098
VPC 81110.000 R1 3370.273
Tangent Grade: -0.005
Tangent Length: 365.000
VPC 81110.000 R1 3370.273
VPI 81200.000 R1 3369.823
VPT 81290.000 R1 3364.557
Length: 180.000
Entrance Grade: -0.005
Exit Grade: -0.059 r = (g2 - g1) / L: -2.973
K = l / (g2 - g1): 33.639
Middle Ordinate: -1.204
VPT 81290.000 R1 3364.557
VPC 81295.000 R1 3364.264
Tangent Grade: -0.059
Tangent Length: 5.000
VPC 81295.000 R1 3364.264
VPI 81360.000 R1 3360.461
PVRC 81425.000 R1 3358.344
Length: 130.000
Entrance Grade: -0.059
Exit Grade: -0.033 r = (g2 - g1) / L: 1.995
K = l / (g2 - g1): 50.131
Middle Ordinate: 0.421
PVRC 81425.000 R1 3358.344
VPI 81480.000 R1 3356.552
Horizontal Style: Alignment\Baseline
VPT 81535.000 R1 3353.581
Length: 110.000
Entrance Grade: -0.033
Exit Grade: -0.054 r = (g2 - g1) / L: -1.949
K = l / (g2 - g1): 51.315
Middle Ordinate: -0.295
VPT 81535.000 R1 3353.581
END 81617.230 R1 3349.140
Tangent Grade: -0.054
Tangent Length: 82.230
File details come from the government source that posted it. Updated .