3D Models and Digital Twins
Transform complex utility and infrastructure data into accurate, defensible 3D models that support better planning, design coordination, risk management, and decision-making.
Public Transit
Public transit systems — Light rail (LRT), heavy rail, bus (BRT), and subway systems — are highly integrated and technically complex. They require precise design coordination, utility risk management, community impact mitigation, and robust engineering design and construction and safety staging due to their continuous operation in densely populated and heavily trafficked areas.
What We Do
Kiwa provides technical services that support design integrity and safe construction in transit corridors:
- Surveying and geospatial data collection
- SUE investigations and utility modeling in constrained urban corridors
- Utility impact analysis, relocation design, and multi agency coordination
- Design advisement for constructability, sequencing, and access constraints
- Support for system interface requirements and O&M needs
Why This Matters
Transit projects are uniquely sensitive to disruptions. Utility conflicts are a major cause of schedule delays and cost escalation. Kiwa’s early involvement helps ensure construction readiness, reduces redesign, and improves safety for both workers and the public.
How Kiwa Delivers Value
Kiwa helps transit owners and contractors maintain safety, reliability, and schedule control by:
- Identifying utility conflicts early, reducing the likelihood of redesign and construction stoppages
- Providing reliable geospatial and SUE data for dense, constrained corridors
- Improving staging and access planning through engineering review of system interfaces, operational constraints, and safety requirements
- Strengthening quality and compliance via construction engineering and inspection, materials testing, quality management and QA/QC oversight
- Coordinating with multiple agencies to manage right-of-way, utility owners, transit authorities, and city departments
- Supporting long-term O&M with accurate documentation and utility management strategies
These capabilities help transit programs maintain service continuity and reduce public disruption.
Who We Serve
Public transport authorities
Operators
Municipalities
Infrastructure owners
Our services include
As Built Documentation (ASCE 75/CSA S250)
Professional support for accurate as-built documentation, ensuring compliance with ASCE 75 or CSA S250 standards for engineering and construction projects.
Chamber and Maintenance Hole Modelling
Accurate 3D chamber and maintenance hole modelling that provides detailed, survey-grade information for design, planning, asset management, and utility coordination projects.
Cross-bore Prevention and Verification
Protect critical underground infrastructure and reduce HDD-related risk with CCTV-based cross-bore prevention and verification services from Kiwa T2.
Dye Testing
Kiwa T2 provides Dye Testing services to verify sewer connectivity, helping property owners, developers, and engineers identify where private sewer connections discharge into municipal infrastructure.
Geographic Information System (GIS)
Accurate GIS mapping and asset data management solutions that help municipalities, campuses, and industrial organizations better understand, manage, and plan underground infrastructure.
Inflow and Infiltration Investigations
Identify and confirm the location of groundwater entering sewer systems with inflow and infiltration investigations that support data-driven rehabilitation and asset management decisions.
LiDAR and Mobile Mapping
Capture accurate, detailed, and comprehensive spatial data with LiDAR and mobile mapping solutions that support planning, design, construction, asset management, and infrastructure decision-making.
Maintenance Hole Condition Assessment (MACP)
Gain a clear understanding of the condition of your maintenance holes and chambers with standardized MACP inspections that support asset management, rehabilitation planning, and regulatory compliance.
Marker Ball Installations
Simplify future utility locating and verification by installing marker balls on difficult-to-detect underground infrastructure.
Overhead/ Aerial Asset Inventories
Accurate mapping and documentation of overhead utility infrastructure to support planning, design, utility coordination, and long-term asset management.
Private Locates
Identify and mark privately owned underground utilities before excavation, construction, or site development activities begin.
Public Locate Project Management
Comprehensive management of public utility locate projects, ensuring safe excavation, regulatory compliance, and efficient project delivery.
Sewer Lateral Condition Assessment (LACP)
NASSCO-compliant sewer lateral condition assessments to help asset owners understand the condition, performance, and rehabilitation needs of service lateral infrastructure.
Sewer Mapping
Accurate sewer mapping that helps owners, engineers, and project teams understand the location and orientation of non-linear sewer infrastructure.
Sewer Pipe Condition Assessment (PACP)
Accurate CCTV sewer inspections conducted to NASSCO PACP standards to help owners understand asset condition, prioritize maintenance, and support informed infrastructure decisions.
Site Characterization Support
Kiwa T2 provides advanced geophysical investigations that help clients understand subsurface conditions, identify anomalies, and make informed environmental, remediation, and engineering decisions.
Subsurface Utility Engineering (SUE) Investigations (ASCE 38)
Professional investigation and analysis of above-ground and underground utilities to provide reliable utility information following the ASCE 38 that supports safer, more informed project planning and design.
Tracer Wire Verification
Verify tracer wire continuity and connectivity to help support accurate future locating of non-conductive underground utilities.
Tree Root Mapping
Advanced geophysics helps identify and map shallow tree root systems, supporting informed tree management decisions and reducing conflicts with planned construction or existing infrastructure.
FAQs about Urban and Public Transport
Does Kiwa support integrated, multi modal urban transit networks?
Yes. We work across Design Bid Build, P3, and design build delivery models for full transit system integration.
What are the biggest risks in transit construction?
Cost and schedule impacts due to utility conflicts, complex relocation requirements, access constraints, and redesign. Kiwa mitigates these risks through early SUE and conflict management.
