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Project Manager: Tim Brown Project Editor: Tabatha Doughty Project Engineer: Drew Furry PowerPoint Presentation
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Project Manager: Tim Brown Project Editor: Tabatha Doughty Project Engineer: Drew Furry Project Engineer: Jim Walter. Today’s Agenda. Project Description & Approach Alternative Solutions Final Design Results Proposed Roadway Horizontal & Vertical Alignment Pavement Design

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Presentation Transcript
slide1
Project Manager: Tim Brown

Project Editor: Tabatha Doughty

Project Engineer: Drew Furry

Project Engineer: Jim Walter

today s agenda
Today’s Agenda
  • Project Description & Approach
  • Alternative Solutions
  • Final Design Results
    • Proposed Roadway
    • Horizontal & Vertical Alignment
    • Pavement Design
    • Hydraulic Design
    • Construction Plan
    • Cost Analysis
  • Summary - Q & A
project description
Project Description
  • 13-acres of land
  • Multiple curves in the road, storage buildings, railroad tracks and other outdoor storage
  • 0.6-mile road connects the main access highway to the storage facility
  • Recent changes in ordinance transport have brought up this issue
project description1
Project Description
  • Challenges
    • Railroad crossings must be limited
    • Crossing can not be over a “frog”
    • Road must meet Navy, INDOT, and

AASHTO codes and regulations

project approach
Project Approach
  • Site Assessment

- walkthrough, site survey, map overview

  • Existing Subsurface Conditions

- Soil assessment

- Boring samples from ATC Associates

  • Codes and Regulations

- challenges- must comply with Navy, AASHTO and INDOT codes and regulations

project approach1
Project Approach
  • Assessment of Design Constraints
    • Wildlife protection, subgrade conditions, hydrological issues
  • Design
    • Consider possible alternatives
    • Design appropriate solution based on criteria
alternative solutions
Alternative Solutions
  • Five alternative solutions
  • Developed by RH Roadways with suggestions from client & faculty
  • Created Evaluation Matrix
  • Design of best alternative
comparison
Existing Roadway

Roadway conditions fair/poor

7 RR crossings

85-feet radius of curvature

10% maximum vertical grade

Little signage

Proposed Roadway

Excellent roadway conditions

5 RR Crossings

500-feet minimum radius of curvature

3% maximum vertical grade

Proper signage (posted 25mph)

Comparison
comparison1
Existing Roadway

Lack of pavement markings

Width of 16-feet

Average thickness of 4-inches

Proposed Roadway

Adequate markings (centerline, edges, etc.)

Width of Road 24-feet with shoulders and ditches

Pavement total thickness of 10-inches

Comparison
vertical alignment
Vertical Alignment
  • Profile View Map
pavement design
Pavement Design
  • Computed an Equivalent Axel Load (EAL)
    • Traffic Study – 200 trucks per day each way
    • Used traffic data and tractor trailer dimensions and weight for EAL design - 2.9 Million EAL
    • Calculated Stacker EAL – insignificant
    • Pavement Thickness
    • CBR value from ATC Associates + EAL
    • Asphalt Institute Manual to design 4 options
pavement options
Option1:

2” Asphalt Concrete Surface

9” Asphalt Concrete Base

Option 3:

2” Asphalt Concrete Surface

8” Asphalt Concrete Base

6” Untreated Aggregate Subbase

Option2:

2” Asphalt Concrete Surface

15” Type III Emulsified Asphalt Base

Option 4:

2” Asphalt Concrete Surface

13.5” Type III Emulsified Asphalt Base

6” Untreated Aggregate Subbase

Pavement Options
pavement cost
Data collected from INDOT website detailing their project costs for 2003.

HMA costs include labor and equipment.

Pavement Cost
final pavement design
Final Pavement Design

2” Asphalt Concrete Surface

8” Asphalt Concrete Base

6” Untreated Aggregate Subbase

hydraulic design
Hydraulic Design
  • Place 3 culverts
    • Corrugated Metal Pipe – 12” Diameter
  • Ditches
    • Flow of 1.27 cubic feet per second
    • Depth = 0.5 feet
    • Slope = 3:1
construction alternatives
Construction Alternatives
  • Traffic Control - Three Options
  • Method 1:
    • Complete shutdown of road with a detour to divert traffic during construction
  • Method 2:
    • Shut down one lane while remaining lane stays open for traffic flow
  • Method 3:
    • Same as method 2, save an added detour to ease traffic flow through the project area.
erosion sediment control plan
Erosion & Sediment Control Plan
  • Erosion control points of interest:
    • Minimum clearing and grading
    • Minimum erosion due to short project time
    • Runoff is non-existent – no present streams
    • After bare soil removed, silt fences will be needed along sloped areas
    • Upon project completion, areas must be seeded and slopes protected with erosion control blankets in place
erosion control map
Erosion Control Map
  • Insert 11x17 erosion control map
soil management
Soil Management
  • Borrow location
  • Location for cut soil to be stored
  • “Phase-construction”
  • Topsoil stockpiles
  • Soil testing required according to AASHTO and INDOT Specifications
waste management
Waste Management
  • Large capacity worksite dumpsters
  • Construction fencing
  • Planned stockpiling
  • Pavement removal

~2500 yd^2

summary
Summary
  • Project Description & Approach
  • Alternative Solutions
  • Final Design Results
    • Proposed Roadway
    • Horizontal & Vertical Alignment
    • Pavement Design
    • Hydraulic Design
    • Construction Plan
    • Soil & Waste Management
    • Cost Analysis