Utility Research at TxDOT Cesar Quiroga, TTI AASHTO ROW

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Utility Research at TxDOT Cesar Quiroga,
TTIAASHTO ROW Utilities Subcommittee
ConferenceAustin, TX, May 15-19, 2005
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Utility Research Plan at TxDOT

• Strategies to manage and integrate utility data
• Procedures to optimize utility placement within
  ROW
• Strategies to reduce utility relocation delays

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Utility Research Plan at TxDOT

• Strategies to manage and integrate utility data
• Improve utility inventory practices
• Automate utility data submittals
• Improve utility conflict information management
• Procedures to optimize utility placement within
  ROW
• Planning tools to determine optimum utility
  placement
• Strategies to reduce utility relocation delays
• Innovative contracting practices
• Optimize utility reimbursement practices

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Research Projects
No. Description
0-2110 GIS Utility Inventory Platform
0-4149 Feasibility of Utility Corridors in TxDOT ROW
0-4376 Technology to Identify Non-Metallic Pipelines
5-2110-01 GIS-Based Inventory of Utilities
5-2110-03 Internet-Based Utility Permitting Process
0-4617 Delays in ROW Acquisition and Utility Relocation
0-4997 Combined Utility Relocation/Highway Construction
0-4998 Standardization of Utility Specifications and Unit Costs
0-5475 Utility Data Integration in Project Development Process
Completed
Active
FY 06 pending RMC approval
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GIS-Based Inventory of UtilitiesProject
5-2110-01 PD Jesse Cooper, TxDOT Right of Way
DivisionRS Cesar Quiroga, TTI
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Why is Research Important?

• Before Relocation
• Quality of SUE deliverables
• Utility conflict identification and resolution
• During Relocation
• Quality of inspection
• Post-Relocation
• Quality and completeness of as-builts

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5-2110-01 Objectives

• Update inventory data model
• Test updated model using sample project
• Katy Freeway Reconstruction Project
• Develop GIS database of relocated utilities
• Develop positional accuracy and deliverable
  requirements for utility data submittals

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Code Logical Name Class Type
COM_LNE Communication Line Communications Line
COM_MHOL Communication Manhole Communications Point
ELE_LNE Electric Line Electric Line
ELE_POLE Electric Pole Electric Point
WAT_FHYD Water Hydrant Water Point
WAT_LNE Water Line Water Line
WAT_MHOL Water Manhole Water Point
WAT_VLV Water Valve Water Point
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Primary key
ArcGIS Reserved Fields
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Data Collection Protocols

• Conventional surveying (SDMS)
• GPS-based surveying (Trimble)
• SDMS
• Survey Data Management System
• AASHTO product
• Several states, including Texas
• Feature codes, data tags, and sequences

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Trimble Feature Code Library
Pathfinder Office 2.7 Version
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Internet-Based Utility Permitting
ProcessProject 5-2110-03 PD Joe Graff, TxDOT
Maintenance DivisionRS Cesar Quiroga, TTI
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Why is Research Important?

• 10,000 utility permits per year
• Paper and labor intensive
• Incomplete documentation
• Scaled schematic 20
• ROW line or centerline depiction 21
• Control section and mile point data 10
• Reference marker and offset data 5
• Variability in drawing standards
• Utility maps not up-to-date
• Institutional memory at TxDOT

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System Implementation

• Oracle database
• Interactive ArcSDE/ArcIMS-based mapping
• Secure 128-bit SSL encryption
• PDF file conversion
• Utility company user management
• TxDOT user management

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Workflow Diagram
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Sample Interface Screens
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Current Activities

• Testing and debugging
• Interactive online help system
• System management and reporting
• System documentation
• Training materials

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Standardization of Utility Specifications and
Unit CostsProject 0-4998 PD Jeff Masek, CCA,
Houston DistrictRS Cesar Quiroga, TTI
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Why is Research Important?

• Utility Accommodation Rules (UAR)
• Cover basic requirements
• No standard specs for utility installations
• Many special specs and provisions
• Utility relocation costs
• Utility relocation cost estimates
• No standardized cost data submittal
• Difficult to assess validity of cost data

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0-4998 Objectives

• Review specifications for utility installations
• Review utility relocation cost documentation
• Develop recommendations for specifications and
  changes to the UAR
• Develop methodology for estimating costs

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Cost Estimation Approaches
Cost Categories
Item Qty Unit Cost Mat Lab Equip Trans Total
1 Q1 u1 M1 L1 E1 T1 C1
2 Q2 u2 M2 L2 E2 T2 C2
3 Q3 u3 M3 L3 E3 T3 C3
4 Q4 u4 M4 L4 E4 T4 C4
5 Q5 u5 M5 L5 E5 T5 C5
Total M L E T y
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Category and Activity Variability

• Names
• Level of detail
• 9 subcategories within overhead
• 3 subcategories within materials and supplies
• Design, Construction, Removal
• Inconsistent use
• Activities treated as categories
• Categories treated as activities

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Storm Sewer
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Water Main, Sanitary Sewer
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Integration of Utility Data in the Project
Development ProcessProject 0-5475 FY 06
pending RMC approval PD Gary Ray, Houston
District
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Why is Research Important?

• Utility relocation on critical path
• Earlier utility depiction for design
• Absence of utility conflict data standard
• Multiple data management systems
• Incompatibilities
• Data format and content limitations
• Data access limitations
• Delays, added project costs, liabilities

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Sample Project
Incompatible Systems!
Utility coordinator web site Conflict data in
Excel and Word1,400 utility conflict
locations40 utility companies300
contactsMicrostation schematicsMeeting
schedulesOther information
Right of Way Information System (ROWIS)
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0-5475 Research Objectives

• Prototype Utility Conflict Data Management System
• Prototype Programmer Guide
• Prototype User Guide and Educational Materials
• Draft Standard and Specifications

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Additional Information

• Jesse Cooper, TxDOT(512) 416-2874 jcoope2_at_dot.sta
  te.tx.us
• Joe Graff, TxDOT(512) 416-3195 jgraff_at_dot.state.t
  x.us
• Jeff Masek, TxDOT(713) 802-5330 jmasek_at_dot.state.
  tx.us
• Gary Ray, TxDOT(713) 802-5953 gray_at_dot.state.tx.u
  s
• Cesar Quiroga, TTI(210) 731-9938 c-quiroga_at_tamu.e
  du