Exchange Requirement: Guardrail
Download a Word File of this exchange requirement: Here
Navigation
Parts (Property Sets)
- Alignment Data - Linear
- GPS Coordinates - Linear
- Guardrail Features
- Guardrail Layout
- Identification
- LRS Data - Linear
- State Plane Coordinates - Linear
Name
Guardrail
Identifier
er_guardrail
Change Log
| Date (yyyy-mm-dd) | Action | Author (email) |
|---|---|---|
Project Stage
Select the applicable project stage(s); remove rows that do not apply.
| Code | Stage |
|---|---|
| 0 | Portfolio requirements |
| 1 | Conception of need |
| 2 | Outline feasibility |
| 3 | Substantive feasibility |
| 4 | Outline conceptual design |
| 5 | Full conceptual design |
| 6 | Coordinated design and procurement |
| 7 | Production information |
| 8 | Construction |
| 9 | Operation and maintenance |
| 10 | Disposal |
Overview
Provide a textual overview of the exchange requirement under the headings Scope, General Description and Information Description. Keep it non-technical and aimed at an executive audience.
Scope
Define the scope of the exchange requirement.
General Description
Provide a simple description of how the exchange requirement will meet the scope.
Information Description
- US Roads Data Dictionary as captured in “WORKING-US-RoadsDD-v1.2.xlsx”
Information Requirements
Preconditions
What information must exist or what actions must be completed before this exchange requirement occurs?
Parts
Part: Alignment Data - Linear
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Alignment ID Reference | Alignment ID that is referenced for element layout | String | required | ||
| Corridor ID Reference | Corridor ID that is referenced for element layout | String | required | ||
| Station - Begin | Station of linear location - begin | Real | Stationing | required | |
| Station Offset - Begin | Offset of linear location - begin | Real | Feet | required | |
| Station - End | Station of linear location - end | Real | Stationing | required | |
| Station Offset - End | Offset of linear location - end | Real | Feet | required | |
| Reference Point Location | Placement of point for offset (i.e. gutterline for traffic barrier feature) | String | required |
Concept: Alignment ID Reference
- Purpose: Alignment ID that is referenced for element layout
- Type: String
- Cardinality: required
Concept: Corridor ID Reference
- Purpose: Corridor ID that is referenced for element layout
- Type: String
- Cardinality: required
Concept: Station - Begin
- Purpose: Station of linear location - begin
- Type: Real
- Units: Stationing
- Cardinality: required
Concept: Station Offset - Begin
- Purpose: Offset of linear location - begin
- Type: Real
- Units: Feet
- Cardinality: required
Concept: Station - End
- Purpose: Station of linear location - end
- Type: Real
- Units: Stationing
- Cardinality: required
Concept: Station Offset - End
- Purpose: Offset of linear location - end
- Type: Real
- Units: Feet
- Cardinality: required
Concept: Reference Point Location
- Purpose: Placement of point for offset (i.e. gutterline for traffic barrier feature)
- Type: String
- Cardinality: required
Part: GPS Coordinates - Linear
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Latitude - Begin | Latitude of linear location - begin | Real | optional | ||
| Longitude - Begin | Longitude of point location - begin | Real | optional | ||
| Latitude - End | Latitude of linear location - end | Real | optional | ||
| Longitude - End | Longitude of point location - end | Real | optional | ||
| Control Points/Benchmarks | Reference points with known coordinates and/or elevations, used to create a consistent horizontal and vertical datums for accurate coordination of highway right of way and private property boundaries and existing features for construction projects. | String | optional | ||
| GPS Notes | Notes referring to GPS location data | String | optional |
Concept: Latitude - Begin
- Purpose: Latitude of linear location - begin
- Type: Real
- Cardinality: optional
Concept: Longitude - Begin
- Purpose: Longitude of point location - begin
- Type: Real
- Cardinality: optional
Concept: Latitude - End
- Purpose: Latitude of linear location - end
- Type: Real
- Cardinality: optional
Concept: Longitude - End
- Purpose: Longitude of point location - end
- Type: Real
- Cardinality: optional
Concept: Control Points/Benchmarks
- Purpose: Reference points with known coordinates and/or elevations, used to create a consistent horizontal and vertical datums for accurate coordination of highway right of way and private property boundaries and existing features for construction projects.
- Type: String
- Cardinality: optional
Concept: GPS Notes
- Purpose: Notes referring to GPS location data
- Type: String
- Cardinality: optional
Part: Guardrail Features
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Guardrail Type | Permanent guardrail type including Midwest Guardrail System (MGS), Concrete, and High Tension Cable Barrier (HTCB) | String | required | ||
| Guardrail Test Level | MASH test level designation | String | required | enum: TL-1, TL-2, TL-3, TL-4, TL-5, TL-6, NA |
Concept: Guardrail Type
- Purpose: Permanent guardrail type including Midwest Guardrail System (MGS), Concrete, and High Tension Cable Barrier (HTCB)
- Type: String
- Cardinality: required
Concept: Guardrail Test Level
- Purpose: MASH test level designation
- Type: String
- Cardinality: required
- Restrictions: enum: TL-1, TL-2, TL-3, TL-4, TL-5, TL-6, NA
Part: Guardrail Layout
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Guardrail Width | Total guardrail width at widest section | Real | feet | required | |
| Guardrail Height | Guardrail Height measured from gutterline | Real | feet | required | |
| Transition - Start Station | Location of start of transition (Back to Ahead Stations) | Real | Stationing | required | |
| Transition - Start Section | Guardrail section designation at start | String | required | ||
| Transition - End Section | Guardrail section designation at end | String | required | ||
| Length of Transition | Length of guardrail transition (in plan) | Real | feet | required |
Concept: Guardrail Width
- Purpose: Total guardrail width at widest section
- Type: Real
- Units: feet
- Cardinality: required
Concept: Guardrail Height
- Purpose: Guardrail Height measured from gutterline
- Type: Real
- Units: feet
- Cardinality: required
Concept: Transition - Start Station
- Purpose: Location of start of transition (Back to Ahead Stations)
- Type: Real
- Units: Stationing
- Cardinality: required
Concept: Transition - Start Section
- Purpose: Guardrail section designation at start
- Type: String
- Cardinality: required
Concept: Transition - End Section
- Purpose: Guardrail section designation at end
- Type: String
- Cardinality: required
Concept: Length of Transition
- Purpose: Length of guardrail transition (in plan)
- Type: Real
- Units: feet
- Cardinality: required
Part: Identification
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Object ID | Unique ID assigned to each asset in database | String | required | ||
| Feature ID | Specific point, linear, and surface designation | String | optional | ||
| Feature Description | Specific point, linear, and surface detailed description | String | optional | ||
| Survey Feature Code | Short abbreviation surveyors use in the field to identify and describe physical features and data points encountered | String | optional |
Concept: Object ID
- Purpose: Unique ID assigned to each asset in database
- Type: String
- Cardinality: required
Concept: Feature ID
- Purpose: Specific point, linear, and surface designation
- Type: String
- Cardinality: optional
Concept: Feature Description
- Purpose: Specific point, linear, and surface detailed description
- Type: String
- Cardinality: optional
Concept: Survey Feature Code
- Purpose: Short abbreviation surveyors use in the field to identify and describe physical features and data points encountered
- Type: String
- Cardinality: optional
Part: LRS Data - Linear
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Postmile - Begin | Mile post of point location - begin | Real | Mile | optional | |
| LRS Offset - Begin | Linear Reference System offset of point location - begin | Real | Feet | optional | |
| Postmile - End | Mile post of point location - end | Real | Mile | optional | |
| LRS Offset - End | Linear Reference System offset of point location - end | Real | Feet | optional |
Concept: Postmile - Begin
- Purpose: Mile post of point location - begin
- Type: Real
- Units: Mile
- Cardinality: optional
Concept: LRS Offset - Begin
- Purpose: Linear Reference System offset of point location - begin
- Type: Real
- Units: Feet
- Cardinality: optional
Concept: Postmile - End
- Purpose: Mile post of point location - end
- Type: Real
- Units: Mile
- Cardinality: optional
Concept: LRS Offset - End
- Purpose: Linear Reference System offset of point location - end
- Type: Real
- Units: Feet
- Cardinality: optional
Part: State Plane Coordinates - Linear
- Purpose: Describe the purpose of this part.
| Concept | Definition | Type | Units | Cardinality | Restrictions |
|---|---|---|---|---|---|
| Northing - Begin | The “Y” values of coordinates represented on a plane coordinate system - Begin (Linear) | Real | Feet | required | |
| Easting - Begin | The “X” values of coordinates represented on a plane coordinate system - Begin (Linear) | Real | Feet | required | |
| Northing - End | The “Y” values of coordinates represented on a plane coordinate system - End (Linear) | Real | Feet | required | |
| Easting - End | The “X” values of coordinates represented on a plane coordinate system - End (Linear) | Real | Feet | required |
Concept: Northing - Begin
- Purpose: The “Y” values of coordinates represented on a plane coordinate system - Begin (Linear)
- Type: Real
- Units: Feet
- Cardinality: required
Concept: Easting - Begin
- Purpose: The “X” values of coordinates represented on a plane coordinate system - Begin (Linear)
- Type: Real
- Units: Feet
- Cardinality: required
Concept: Northing - End
- Purpose: The “Y” values of coordinates represented on a plane coordinate system - End (Linear)
- Type: Real
- Units: Feet
- Cardinality: required
Concept: Easting - End
- Purpose: The “X” values of coordinates represented on a plane coordinate system - End (Linear)
- Type: Real
- Units: Feet
- Cardinality: required
Child Classes
No child classes defined.