Utility & Network Documentation

GIS-Based Utility Network Documentation & Underground Infrastructure Mapping Solutions

Apex delivers end-to-end utility network documentation services that enable utility operators and infrastructure organizations to digitize, manage, and optimize their underground infrastructure mapping covering electricity, gas, water, and telecom networks with precision.

We also specialize in LiDAR transmission line inspection and overhead T&D asset inspection for transmission and distribution networks, delivering accurate geospatial data digitization, condition evaluation, and proactive corridor and land management.

Utility Network Documentation(GIS) Services

We provide GIS-based utility mapping and network vectorization services for underground cable and pipeline systems, including precise georeferencing and geospatial data digitization of network plans from major construction and underground infrastructure mapping projects. Our network GIS data outputs enable reliable utility network documentation of complex subsurface networks covering electricity, water, gas, and telecommunications.

We help convert analog and multi-source materials into organized, utility GIS data management-ready datasets, maintaining consistency in geometry, attributes, and network connectivity.

Services include:

Georeferencing of large-format scanned maps, raster and vector datasets, and location-specific utility network documentation drawings
Utility Network Vectorization of utility networks using standardized components and symbology
Incorporation of client-specific specifications for networks and individual asset elements
Rule-driven modeling of electricity, water, gas, and telecom systems with Structured attribute information
Integration of CAD, GIS, and field-collected data into structured geodatabases for Utility GIS data management
GIS compliant Utility network standards to maintain consistency in connectivity, attributes, and asset relationships

Typical Inputs:
Base maps, scanned drawings, survey data, utility records, site layouts, and related Utility GIS Layers

Typical Outputs:
Structured Utility GIS network databases, georeferenced maps, attributed utility layers, and digital utility network representations

We deliver complete GIS-based Utility network documentation and dimension-driven construction of utility networks, including electricity, water, gas, and telecommunications systems.

Our GIS-based utility mapping process converts diverse source data into organized digital network models with precise geometry, attribute information, and verified connectivity.

Our expertise is dimension-based network construction using Smallworld GIS and other specialized utility GIS data management applications on Smallwork GIS, supporting efficient asset management and operational workflows.

Services include:

Interpretation of dimensional information from drawings, survey records, and schematic layouts for utility network documentation
GIS/CAD based Network documentation using measurement and survey data with standardized geometry and symbology
Dimension-driven GIS-based utility mapping construction from survey inputs, sketches, and technical diagrams
Specialized expertise in network construction using Smallworld GIS and other utility GIS platforms on Bentley Microstation
Precise placement of house connections, service lines, and customer linkages within underground infrastructure mapping
Rule-based modeling of electricity, gas, water, and telecom GIS systems, including internal circuits
GIS Validation of network topology, relationships, and logical connectivity

Typical Input
As-built documentation, survey plans, schematic diagrams, circuit layouts

Typical Outputs:
Structured GIS datasets, verified utility networks documentation, spatial data ready for integration

We offer GIS-based network homogenization services to standardize utility network datasets-including electricity, water, gas, and telecom systems-across various GIS platforms and applications. Our approach enhances consistency in geometry, attributes, classifications, and connectivity through the use of standardized processes and client-provided homogenization tools.

The finalized datasets support GIS migration initiatives, platform integration, GIS data quality enhancement, and reliable network operations.

Services include:

Network homogenization GIS workflows using automated and rule-driven data standardization tools
Geometry refinement and quality control for spatial accuracy within GIS-based utility mapping systems
Standardization of attributes, classifications, and data structures for utility GIS data management
Identification and resolution of overlaps, duplicates, and data inconsistencies in utility network documentation datasets
Validation and correction of network topology, connectivity, and asset relationships
Alignment of datasets with target GIS schemas, standards, and electricity, gas, water, and telecom GIS modeling rules
Comprehensive quality assurance for completeness, consistency, and operational usability
Typical Inputs

Typical Inputs:

Migrated datasets, cadastral information, multi-source network data

Typical Outputs:
Refined datasets, corrected geometries, standardized GIS-ready outputs

We provide corridor-focused LiDAR transmission line inspection and processing services for overhead transmission and distribution networks, covering power line extraction, support structure mapping, and terrain data generation.

Our workflows transform point cloud processing power lines data into structured, GIS-based utility mapping-compatible datasets with accurate geometry, classification, and spatial relationships supporting overhead T&D asset inspection, corridor analysis, and infrastructure upgrades.

Services include:

Utility corridor LiDAR transmission line classification. Point cloud processing of diverse datasets related to power lines
Desktop based Extraction of conductors, cables, and detailed power line geometry for overhead T&D asset inspection
Desktop Mapping and identification of poles, towers, and supporting infrastructure
Creation of DEM, DTM, and elevation models for terrain analysis in underground -infrastructure mapping corridors
Production of high-resolution orthophotos for corridor visualization and GIS-based utility mapping
Network vectorization of buildings and developed areas along utility corridors
Detection of vegetation encroachments near transmission lines — a key output of LiDAR transmission line inspection
Integration of processed data with GIS, CAD, and engineering platforms for utility GIS data management

Typical Inputs:
LiDAR datasets, trajectory information, imagery

Typical Outputs:
Processed point cloud processing power lines datasets, corridor outputs, terrain models

We provide desktop-based overhead T&D asset inspection services for transmission and distribution networks, using imagery, LiDAR transmission line inspection data, and geospatial datasets.

Our desktop based inspection service accurately detect asset defects, clearance violations, structural concerns, and corridor encroachments with precise spatial referencing supporting preventive maintenance programs, regulatory compliance, outage prevention, and efficient utility GIS data management.

Services include:

Overhead T&D asset inspection of poles and towers to identify leaning, corrosion, damage, and structural defects
Condition assessment of conductors, cables, insulators, and line components via LiDAR transmission line inspection
Detection of vegetation encroachments and safety clearance violations within GIS-based utility mapping corridors
Identification of unauthorized structures and activities within utility corridors
Verification of asset locations, classifications, and inventory completeness for utility network documentation
Risk prioritization and defect ranking based on severity and maintenance urgency
Generation of utility GIS data management-ready reports and inspection outputs for maintenance planning

Typical Inputs:

LiDAR point clouds, imagery, corridor data

Typical Outputs:
Vegetation risk maps, clearance analysis reports, GIS layers

Precision in Data Structuring

Efficient Integration of Multi-Source Data

Key Service Capabilities

Utility network vectorization and documentation
Quality checks of Networks
Network Homogenization
Overhead network liDAR classification
Utility GIS data validation
Risk Analysis

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