Large Diameter Pipeline Services
 Single-Source Solutions
Designing large diameter pipelines
requires specialized expertise. Each design must be treated uniquely, depending upon owner preferences, operating parameters, and external conditions along the pipeline route. With technical professionals who are expert in the design and installation of a broad range of large diameter pipe types and sizes, PBS&J provides a single-source solution to our clients’ engineering needs.
Our comprehensive services include:
- Route evaluations
- Corrosion studies and designs
- Hydraulic and surge analyses
- Permitting
- Ecological assessments and monitoring
- Property and design surveying
- Detailed pipeline design, including both trench and trenchless technologies
- Bidding and construction administration
- Start-up and final certification
- In-plant pipe manufacture inspections
Setting Industry Standards
PBS&J pipeline specialists are helping to set industry standards through active participation in American Water Works Association national standards committees and by staying abreast of current products and technologies through industry events and vendor associations. Their in-depth knowledge of pipe materials allows PBS&J to effectively evaluate available alternatives for each specific assignment.
PBS&J pipeline services are further categorized as follows:
 Conceptual Planning
- Pipeline route studies/alignment studies
- Geographic information systems mapping and database collection
- Regulatory issues
- Public acceptance
- Cost-effective alternative evaluations
Corrosion Studies
- Monitoring designs
- Soil corrosivity assessments
- Corrosion control and cathodic protection designs
- Alternative pipe coating systems evaluations
- Pipe materials useful life projections
- Inspection and testing services
Design
- Technical plans, specifications, and contract documents
- Alternative pipe materials evaluations
- Utility coordination
- Soil structure analysis
- Hydraulic surge analysis and mitigation
- Control valve evaluations and designs
Trenchless Technologies
- Jack and bore
- Tunneling
- Microtunneling
- Directional boring
 Permitting
- Preapplication agency coordination
- State and federal dredge and fill permitting
- Threatened and endangered species takings, relocations, and management
- Wetland and upland delineation surveys
- Health department and state environmental agency pipeline permitting
- Local and state right-of-way utilization and local utilities permits
Property Acquisition Assistance
- Professional land agents
- Negotiations for rights-of-way and easements
Construction Services
- Bid assistance and evaluations
- Construction observation
- Construction sequencing for connections to existing utilities
- Maintenance of traffic
- Full resident engineering
- Contract administration
- In-plant pipe manufacture inspections
- In-situ field testing programs
- Start-up and final certification services
- Alternative project delivery systems
PBS&J Environmental Services
PBS&J offers technical expertise in environmental engineering and sciences that is recognized both nationally and internationally. Our success since our founding in 1960 is demonstrated by the fact that approximately 80 percent of our work comes from clients who have previously used our services. Of particular advantage to our clients is our ability to draw upon the resources of our entire 3,200-member firm as needed to offer world-class services in a cost-effective manner for both large and small projects. Our multidisciplined capabilities also allow us to provide single-source solutions to project needs – facilitating greater efficiency in project funding and scheduling. Our environmental services encompass the following areas:
- Air quality
- Aquatics
- Bioassay services
- Cultural resources
- Ecological sciences
- Flood control
- Hazardous waste
- Information solutions
- Solid waste
- Water and wastewater
- Water resources
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