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BP Routing Collaboration Tool. Components — The application consists of three major components: Web Environment for user access/security, viewing existing project data and simulations, generating new simulations, storage of results and database maintenance.

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bp routing collaboration tool
BP Routing Collaboration Tool
  • Components — The application consists of three major components:
  • Web Environment for user access/security, viewing existing project data and simulations, generating new simulations, storage of results and database maintenance.
  • Databases for application and spatial data (GIS).
  • Models integrated or stand alone for generating pipeline routes and evaluation of hydraulic, cost and economic factors.

Goal — The BP Routing Collaboration tool is a web-based .NET application consisting of server-based GIS and modeling components that identify the least cost path optimization for pipeline routing and integrate procedures for Hydraulic, Cost and Economic evaluation of alternative routes. Primarily for Pre-Appraise, Appraise, & Select (Design, Construct & Operate).

Progress report 2004

application process flow
Application Process Flow

Segment:

Terrain factor

Climate

Land Use

Slope

Reinstatement

Groundwater

Environment

Crossings

Geo-hazards

Web-based

Factor Maps

Normal User

User Admin

Project Admin

Model Admin

Data Admin

User Input

User Input

Cost

Model

Economic

Model

Route/Corridor

Routing

Model

Hydraulic

Model

Database

Interface/Security

R, H, C, E Models

Model Parameters

Map Data

_________________________

Simulations

Segment:

Elevation

Slope length

Terrain factor

GIS-derived

Input Data

User Input

database elements
Database Elements

Global Map Level

Regional Map Level

  • Administrative Data (Oracle)
  • Tabular data specifying user profiles, security setting, etc.
  • Non-Spatial Model Data (Oracle)
  • Tabular Input and Tabular/Graphic Output data
  • for the Hydraulic, Cost and Economic Models
  • Spatial Data (Arc SDE)
  • Background/Navigational maps for reference (vector)
  • Routing Model maps of selection criteria (raster)
    • Global Maps (1km)— 8 layers including
    • exclusion and preference layers (online)
    • Regional Maps (30-90m)— 22 layers including
    • exclusion and preference Layers (project specific)
    • Local Maps (<30m)— custom set of additional
    • high resolution map layers as appropriate for final
    • siting and engineering design
  • GIS-derived data for input to the Hydraulic and Cost Models
bp routing model criteria maps regional
BP Routing Model Criteria Maps (Regional)

Exclusions

Physical Barriers

Maximum Slopes

Security Conflicts

Protected Areas

City Centers

Unstable Areas

Can’t go there…

Combined

EXCLUSIONS

Environmental

Land Cover (1)

Sensitive Areas (7)

(1)

Avoid if

possible…

Discrete

Cost Surface

Wt. Average

Environmental

Construction

Land Use (1)

Ground Type (6)

Infrastructure (3)

Major Crossings (5)

Terrain Slope (8)

Construction Period (7)

Restoration Costs (3)

Wt. Average

ALL CRITERIA

(1)

Wt. Average

Construction

Hazards

Regional Security (8)

Geo-hazards (9)

Third party (5)

Construction Hazards (1)

(1)

Wt. Average

Hazards

Consequences

Population Density (9)

Population Proximity (4)

Environmental HCA (9)

HCA Proximity (1)

(1)

Wt. Average

Consequences

Step 1 generating the Discrete Cost

Surface is the most critical step

Routing Model

Excluded Areas

Routing Criteria:

Environmental Factors

Construction Concerns

Hazards to Avoid

Consequences

Overall Avoidance

project selection bp pipe
Project Selection(BP-Pipe)

Upon logging-in, users are presented with a listing of existing projects they are authorized to view. Selecting a project enables them to interact with existing project simulations they or others have created, or generate new project simulations to identify new alternative routes or to specify different evaluation model assumptions.

setting up a route simulation project area
Setting-up a Route Simulation (Project Area)

Using the Global database, the user selects a new Project Area, identifies beginning/end points…

…and criteria layers and weights to be used (only terrain slope in this example)

Discrete Cost Surface

Fort Collins

Discrete Cost Surface(slope)

San Diego

setting up a route simulation user input interface
Setting-up a Route Simulation(user input interface)

1) Enter route simulation name and comments

2) Identify criteria layers and weights to be used for the simulation

3) Identify Begin and End points that will define the route

…the simulation parameters are written to a queue to be processed as hardware and software resources come available (about 3 to 5 minutes for a “typical” routing simulation)

route simulation results
Route Simulation Results

The simulation is queued for processing then displayed as the Optimal Route (blue line) and 1% Optimal Corridor (cross-hatched)

FC

Fort Collins

4% Corridor

SD

1% Corridor

Optimal

Path

San Diego

route segmentation hydraulic model input
Route Segmentation(Hydraulic Model Input)

Hydraulic Model Input

Elevation profile

Segment slope

Soil/Slope Terrain factor

Uniform Length

Segmentation

S20

S18

S16

S14

S12

S19

S8

S10

S6

S17

S13

S15

S11

S4

S2

S7

S9

S5

S3

S1

# Segments

Length

Terrain-based Segmentation

…based on planimetric distance such that segments are all the same length

Elevation

Hydraulic Input Table

S16

S15

S14

S11

S13

S9

S6

S7

S12

S10

S8

S3

S1

S5

S4

S2

…based on elevation profile such that segments are dependent on terrain inflection points

Natural gas tool recommends optimal combination of pipe diameter, MAOP, & compressor station size/spacing to deliver the most cost effective solution.

Liquid tool calculates optimum combinations of pipe diameter, design pressure, pumping requirements, & pressure reduction stations to find the solution for minimum cost.

hydraulic model excel
Hydraulic Model(Excel)

Routing Variables

Input

Input Specifications

Output

route segmentation cost model input
Route Segmentation(Cost Model Input)

Cost Input Table

Cost Model Input

Design Factor, Land Use, Ground Water, Geo-hazards, etc.

B

B

Conditions-based Segmentation

Design Factor

Land Use

Ground Water

Geo-hazards

Climate

A

A

A

A

A

Universal

Conditions

A

B

A & B

S11

S7

S9

S4

S8

S10

Variable

Length

Segments

S6

S5

S1

S3

S2

…intersecting the route with the “universal conditions” map divides the route into segments having constant conditions throughout their lengths.

Tool estimates material, construction, & overhead costs for onshore pipelines & associated facilities

The basis of the tool is a calculation algorithm which uses cost factors (or cost increments) based upon the inputs

Factored cost elements are then re-compiled into an overall cost estimate – which reflects the combined impact of the input pipeline characteristics

cost model excel
Cost Model(Excel)

Pipeline Name

& Length

Input

General Size

& Location Data

Line Pipe Material

& Costing

Data

Output

Product Characteristics

& Wall Thickness Data

economic model excel
Economic Model(Excel)

The Economic Model is used to calculate project economic parameters to assess the commercial viability of the project. Output parameters include NPV, IRR, & Tariff.

application processing flow summary
Application Processing Flow (Summary)

Generate Route

Evaluate Route

Processing Flow

(1) User Environment– login and select project (User, Projects, Data and Model Administer access)

(2) Project Simulations– view previous results and enter specification for new simulations

(3) Databases– application automatically accesses appropriate parameters and spatial data

(4) Routing Criteria– map layers at the appropriate analysis level are weighted

(5) Routing Model– routing model derives the optimal route and corridor

(6) Route Segmentation– proposed route is divided into segments for calculating Hydraulic and Cost model input parameters

(7) Hydraulic Model– route is segmented, GIS data derived, user input specified then results generated

(8) Cost Model– route is segmented, GIS data derived, Hydraulic Model results and user input specified input then results generated

(9) Economic Model– Cost Model results and user input specified then results generated

Generate

Route

Evaluate Route

similarities and differences
Similarities and Differences

Electric Transmission Line

Oil & Gas Pipeline

Both the GTC and the BP applications utilize well established Routing and Optimal Path techniques to determine the best route for a linear feature…

…the GTC application is unique in how it directly involves stakeholders in the calibration and weighting map criteria layers and establishes a procedure that is objective, quantitative, predictable, consistent, and defensible(social emphasis)

…the BP application is unique in how it directly involves stakeholders in the simulation of potential routes within a web environment and the full integration of GIS and Excel decision support models

(technological emphasis)

…so what is the take-home for GIS students and professionals?

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