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Transmission Infrastructure

Power

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Stantec’s reputation for excellence stems from the technical and management capabilities of our people and commitment to achieving project goals.

DemanDing solutions to meet DemanDStantec, founded in 1954, provides professional consulting services in planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics for infrastructure and facilities projects. Continually striving to balance economic, environmental, and social responsibilities, we are recognized as a world-class leader and innovator in the delivery of sustainable solutions. We support public and private sector clients in a diverse range of markets, at every stage, from initial concept and financial feasibility to project completion and beyond.

OVERVIEW

Over the past several years, changes to the regulatory climate, increased competition, and heightened concern over environmental issues have strained the existing transmission and distribution infrastructure. Stantec understands the challenges of this sector in meeting ever-increasing worldwide demand for energy with minimal environmental impact in the midst of financial, strategic, and regulatory uncertainty.

We recognize that each client has unique needs that can only be fully appreciated by professionals who focus exclusively on them. Stantec’s integrated service delivery provides our clients with one consultant capable of taking each project from conception through completion.

Stantec offers professional services throughout the life cycle of transmission projects in the following areas:• Transmission Line Engineering and Design• Substation Engineering and Design• Protection and Control Engineering and Design• Project Construction Management• Environmental Management/Permitting• Geotechnical Engineering• Surveys/Geomatics

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transmissionElectric transmission lines must be designed to last for decades without alteration. The geographic location of these facilities will present the design engineer with challenges that require careful consideration. Transmission lines must be routed and designed to minimize the impact of the line on the environment while giving due consideration to the safety of the public and maintenance personnel. The engineer must also determine that the design will provide a cost effective solution.

Stantec has the experience to take a transmission line from conceptual design through construction and commissioning.

PLANNING, ANALYSIS & INVESTIGATION

• Route-Site » Route reconnaissance and selection » Coordination between utilities and agencies » Environmental assessments » Geotechnical analysis » Creation of exhibits for meetings with client, agency, or

stakeholder meetings and open houses• Conductor Studies

» Ratings » Clearance evaluations » Field effects (magnetic or electric) analysis » Audible noise analysis » Induction » Interference » Grounding

• Structure Design Studies » Structure material selection » Grounding » Vibration » Lighting protection

• Feasibility Studies/Probability of Cost Assessments

Stantec understands the technical, environmental, and financial aspects of their designs.

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Overhead Transmission Line Design – Experience Up to 500kV DC & 765kV AC

• New construction, rebuild, re-conductor, relocation, maintenance, and reliability projects using the PLS-CADD software suite for conductor clearance evaluations and structural designs

» Conductor Design – experience with most conductor types (including composite core conductors), electrical clearance evaluations, and thermal ratings analysis

» OPGW/ADSS – new fiber additions or replacement type projects

» Structure Design – extensive experience with concrete, wood, steel, hybrid, or lattice towers

» Tower – experience with tower model creation based upon LiDAR survey data

» Foundation Designs – anchor bolt, piers, vibratory caissons, or direct embed foundations

• DOT Relocation – markups for utility adjustment plans, utility coordination meetings, progress meeting attendance, line relocation design, and foreign utility coordination

• Customer Relocations – preparing alternative designs and cost estimates, displays for presenting findings to customers, preparation of design, material ordering, cost estimating, and coordination during construction phase

• NERC assessment planning, remediation, and support• Conditional Assessments – Stantec has the capability and

experience of visually inspecting and structurally analyzing existing structures and foundations for new or existing conditions.

• Extensive Storm Restoration – experience following major storms or disasters

• Avian preventative designs – including bird diverters, caps, insulation, spikes, nest relocation platforms, etc

Underground Design – Experience Up to 345kV

• Perform feasibility studies, overhead to underground conversion probability of cost estimates, and route selection

• New construction, upgrades, or relocation type designs• Project construction installation types include concrete-

encased duct bank, direct burial, directional bore, and horizontal directional drill

• Cable designs include XLPE, HPFF, or HPGF and utilize CYMCAP software for cable ratings analysis

• Prepare cost estimates (material and labor) for different routes, cable designs, or installation types

• Preparation of protection schemes for underground cables• Grounding requirements and specifications

OVERhEAD & UNDERGROUND DESIGN

• Permitting, licensing, and risk analysis• Bill of materials/procurement• Issue for construction drawings or packages• GIS – a full suite of services for easement mapping, assets, and

property information and creation of an ESRI mapping tool

CONSTRUCTION SUPPORT

• Cost estimates• Field reviews and coordination• Material resolution• As-built records

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substationsStantec provides services in the design of extra high voltage (EHV) and high voltage (HV) substations and switching station facilities. Stantec’s project experience includes a variety of designs including 765kV bulk power substations, transmission switching stations, and distribution substations.

PLANNING, ANALYSIS AND INVESTIGATION

• Route-Site » Site reconnaissance and selection » Coordination between utilities and agencies » Environmental assessments » Geotechnical analysis » Creation of exhibits for meetings with client, agency, or

stakeholder meetings and open houses• Electrical Studies

» Ratings » Lightning protection » Field effects (magnetic or electric) analysis » Grounding

• Feasibility Studies/Probability of Cost Assessments

Substation – Electrical Services

• EHV and HV substation designs in AC or DC systems• Overhead cable tray or underground cable trench system design• Arc flash analysis (indoor switchgear)• Substation grounding optimization and design• Lightning protection• Breaker replacements

Substation – Civil Services

• Station layout and planning• Gas and air insulation substations• Green and brownfield design• Station grading/drainage/access roads/fencing• Apparatus foundation and oil containment systems• Design of structural and foundation supports• Control room/building design• Major equipment specification and procurement• Procurement

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Substation – Electrical & Civil Services

• Permitting, licensing, and risk analysis• Bill of materials/procurement• Issue for construction drawings or packages• GIS mapping

CONSTRUCTION SUPPORT

• Cost estimates• Field review and coordination• Material resolution• As-built records

SCADA SERVICES

A well-engineered and designed Supervisory Control and Data Acquisition (SCADA) system is a key component in an electric utility’s strategy for minimizing operating expenses while maintaining reliable service. Stantec provides engineering and design services for a wide array of SCADA systems, ranging from large substation and control center systems to small remote systems.

Stantec can help justify, recommend, and provide design, engineering, and plans and specifications for complete data acquisition and control systems; replacement, upgrade, or expansion of existing systems; and operator interface equipment including ergonomic features.

Professional services include:• Energy management• Switchgear control• Data acquisition and alarm• Test data analysis• Position indication for circuit breakers and disconnect switches• Transformer tap changers• Electrical analog values including amps, volts, watts, VARs, and

power factor• Sequence of events and trending• Substation RTUs/PLCs

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Stantec understands that maintaining service continuity and personnel safety, as well as minimizing equipment damage when forced outages occur, is directly influenced by the viability of the electrical system’s protective schemes. Stantec designs economical protection systems that will meet the service continuity, safety, and maintenance requirements. Power system load growth requires periodic evaluation of the utility transmission system to verify its continued capability to reliably maintain service continuity during peak loading conditions. The primary software tool is the ASPEN modeling system; however, we have also executed system input studies using ETAP and PSS/E software.

Services include:• EHV and HV relay system design• Transmission planning studies• Fault current and load flow studies• Protective system selection/design• Protective system coordination including relay selection

recommendation and settings• Protective equipment specification including breaker, recloser,

fuse, and other device selections• System transient analysis• System component protection• Distributed generation system analysis• DC system design• Substation grounding analysis and design• Arc flash studies• Motor starting studies• Harmonic analysis studies

Protection, control & relay

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Project managementStantec provides project delivery leadership, support, and advisory services as well as strategic management solutions that draw on our core competencies. In short, we offer one-stop shopping for project management solutions to provide a cost-effective method for enhancing project delivery. We help our clients manage risk, control costs, and optimize schedules, while recognizing the varying interests of project stakeholders.

As the project progresses, the ability to impact its final outcome decreases while the cost of making changes goes up. Engaging Stantec in the initial stage of a project offers an opportunity to prevent potential problems such as schedule delays, cost overruns, claims, and dissatisfaction with the delivered project. Integrated Project Solutions (IPS) is a proprietary Web-based software tool that integrates the Project Execution Plan (PEP), Work Breakdown Structure (WBS), Schedule, Budget, and Risk Register, to assist the Project Manager in maintaining control of deliverables, cost, and schedule.

Stantec offers total project management solutions to manage all program or project organization, implementation, and control activities on the client’s behalf. Our involvement commences in initial planning stages and continues through final commissioning and handover.

Services include:• Pre-project development and planning• Supply management• Budgeting and cost estimating• Scheduling and reporting• Cost consulting and control• Design/consultant management• Management of construction and reporting• Value engineering• Risk management• Project controls• Quality control• Contract administration

ADVISORY SOLUTIONS

Stantec advisory services include the following:• Dispute resolution and process management• Due diligence investigations and project audits• Litigation support and expert testimony• Project communications and stakeholder management• Project management mentoring• Project management practices reviews• Project management oversight• Project risk management and analysis

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integrateD service DeliverySURVEYS/GEOmATICS

Stantec’s surveys/geomatics professionals provide services for linear route projects including control surveys, route location support, right-of-way, cadastral and retracement surveys, boundary surveys, legal descriptions, topographic mapping, GIS services, visual resource inventories, environmental resource mapping, agency permit support, landowner notification, photo simulations, construction stakeout, and construction as-built surveys.

Specialized knowledge is required to successfully address the particular needs of transmission line projects. The significant distances involved in many projects require special consideration of geodetic survey principles and the effective use of State Plane or UTM (Universal Transverse Mercator) coordinate systems. Varying terrain and land use conditions must be accommodated, and remote project locations require special access, safety, and logistical consideration.

Stantec’s surveys/geomatics team members are experienced in specialized route survey applications and can provide the surveying and mapping services required to address specific project needs.

Surveys/Geomatics services:• Route Assessment and Selection• Environmental Permitting Support• Control• Right-of-Way• Topographic• Construction

ENVIRONmENTAL ASSESSmENTS, PERmITTING & COmPLIANCE

In today’s increasingly competitive global market, excellence in environmental management can enhance the reputation and position of a company within its industry. At Stantec we manage environmental issues professionally and pro-actively to improve our clients’ profitability and competitive advantage by allowing them to identify and respond to opportunities and threats within the changing regulatory and corporate environments.

We provide a full range of services to address natural resource permitting and compliance requirements required for power-generating facilities, or linear services such as transmission lines. Our staff members have established excellent working relationships with regulatory agencies throughout North America, and our regulatory knowledge and scientific expertise allow us to develop the most effective approach to securing regulatory approvals and ensuring compliance.

Stantec has experience in completing various federal, state/provincial, and local environmental permits and evaluations, including biological and native plant; riverine construction; stormwater control; endangered species; air and water quality; hazardous material; energy and environmental assessments (quality issues); TMDL compliance and implementation; SPCC Plans; and Phase 1 and Phase 2 environmental reviews.

Stantec’s regulatory approval services include environmental review and documents under NEPA and CEAA including environmental assessments, environmental impact statements, environmental impact reports, and related documents. Our mitigation and monitoring services include development and implementation of mitigation plans and mitigation banks as well as construction and post-construction monitoring and reporting.

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GEOTEChNICAL

Stantec’s comprehensive geotechnical services range from field explorations and laboratory testing to the design and construction management of complex geotechnical structures. We perform geotechnical studies for the purposes of evaluating and investigating foundation systems, including earth and concrete dams, transmission line towers, access road systems, lay down yards, crane lift pads, long-span bridges over navigable waterways, locks, industrial and municipal waste embankments, buildings, retention structures, and earth-work systems.

We provide services throughout all stages of the project life cycle, from initial planning and feasibility studies, through project completion and beyond.

Serving a wide variety of market sectors, we provide concept to completion geotechnical solutions for a diverse client base, including utilities, federal clients, state clients, industrial clients, and private developers.

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RECENT CANADIAN ExPERIENCE

hydro One Chatham Substation to Windsor Lauzon Terminal StationStantec supplied engineering, design and drafting services to connect Kruger Energy’s two four-line terminals (Chatham and Windsor) to the Hydro One network.

Stantec services included detailed protection design, requesting NMS alarm points, interfacing with Hydro One teleprotection design to ensure proper connection of protection equipment with teleprotection equipment and generation of relay setting files, and provision of technical support to field staff during the construction and commissioning phase.

The scope of work included revision to the 1-line and E/A to show new equipment arrangement; line protection revisions to interface with blocking signals and to initiate transfer trip; EWD/CWD revisions to show breaker failure protection trips initiate transfer trip and to incorporate breaker reclosure and breaker trip modules; and breaker reclosing circuit revisions to provide interlock with generator line end signal from Kruger.

BC hydro 2L22 Emergency Restoration ProjectWhen the Fraser River flooded a transmission tower collapsed sending a section of 230 kilovolt line into the river. Power was out in Coquitlam and Surrey and transportation along the river ground to a halt. BC Hydro needed a solution – fast. We developed a lasting solution, and we did it quickly.

From an extremely aggressive engineering schedule, constrained supplier support and material availability, and diverse logistical and construction challenges posed by the area’s active civilian and com-mercial traffic – we had our work cut out for us. Complicating matters were the expansive river crossing span and the demanding terrain.

We designed the emergency restoration using three different conductors, including special 3M ACCR. We performed ground improvement at a new site, ensuring the new tower could survive a one in 2,475 year return event earthquake. We even used environmentally friendly FRP poles when the line was in close proximity to residential areas.

Our flexible approach and local expertise restored the power, restored transportation in the region, and we did it in four months instead of eight.

Fraser River Crossing Replacement - 5L44 Rebuild ProjectOperating on a fast-tracked design schedule, Stantec worked with BC Hydro to replace two existing towers crossing the Fraser River between Surrey and Coquitlam. Providing engineering and detailed

design, procurement, and construction management, Stantec was able to meet tight deadlines, environmental challenges, and work in difficult terrain to get the work done. A CN rail line, the South Fraser Perimeter Road, and the Fraser River navigation were all elements of the project that needed coordination and management in order to successfully finish the project, without any negative impacts to any system.

manitoba Riel Sectionalization ProjectManitoba Hydro’s electric system needed upgrading to improve its reliability and capacity. They needed infrastructure that increase stability and support their growth as a major player in the power export market.

A critical step to meeting Manitoba’s energy requirements was the 63 hectare Riel Sectionalization project. The size and scale of the project required a strong consultant, capable of dealing with the multidisciplinary demands of the project, and we were called upon to take up the challenge.

The project consists of 46kV, 230kV, and 500kV AC switch yards, with the provision for a future +/- 500 kV High Voltage Direct Current (HVDC) section. We provided the design of foundations, electrical support structures, rigid and flex bus, power distribution, cable ducts, oil containment systems, and control and switchgear buildings. We also provided the design for deluge facilities, water and waste treatment facilities, and underground potable water, fire/gray water systems.

This major investment in Manitoba’s infrastructure helped improve Manitoba Hydro’s grid capacity, reliability, and power export capabilities.

maritime LinkThe Lower Churchill Project will significantly increase the growing level of production in the province of Newfoundland and Labrador. This production increase will lead to a surplus to the current and foreseeable requirements in the province.

Emera Newfoundland and Labrador Maritime Link Inc. proposed a subsea cable to get the surplus from the island to the Maritimes. Currently in the detailed engineering phase of the project, Emera required design for the projects civil works including access roads, site preparation and site drainage for the land base sites, as well as structural design for the transmission line foundations. The land based sites for the project include AC and DC transmission lines, converter sites, grounding sites and the overhead to underground transition sites.

The project will include 2180 km subsea cables and nearly 350 km of overland transmission in Nova Scotia and Newfoundland and Labrador.

summary eXPerience list

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Dover to muskeg River Transmission LineDiverse soil conditions, an aggressive schedule, and an extremely remote location did nothing to lessen the need for a new transmission line in northern Alberta. The industrial community in Fort McMurray needed additional power transmission to keep working, and our client needed a team that could deliver that power project through some of North America’s most remote and challenging terrain.

The Dover to Muskeg River Transmission Line project spans varying terrains, from muskeg to clay till and stiff oil sands. Convention said constructing transmission towers would require a standard concrete foundation approach. Given the remote location of the project, that wasn’t a viable option, and we were required to devise a completely new approach. We created a design that combined a variety of foundation types, including specially designed screw, driven, and concrete piles. The resulting system not only offered significant cost savings over the traditional approach, but allowed for on the spot solutions presented by the varying conditions across the project’s range.

The power was delivered to the Fort McMurray community, along with time and cost savings to our client.

Boundary Dam Integrated Carbon Capture and Storage ProjectSaskPower had an ambitious plan: to build the world’s first and largest integrated carbon capture and storage project to demonstrate the technical, economic and environmental merits of carbon capture and storage technology to the world.

Stantec is pleased to have worked with SaskPower throughout the duration of this project, assisting with a study of existing and emerging post-combustion carbon capture technologies, as well as projected environmental standards, anticipated benchmarks, and regulatory variables.

Once operational in 2014, the Boundary Dam Integrated Carbon Capture and Storage Demonstration Project will capture one million metric tons of carbon dioxide annually, and with the upgrades completed on Boundary Dam generating Unit #3 it is expected that the life of the unit will be extended by 30 years.

While the pioneering aspect of this project is inspiring, we are driven by the impact our work will foster as it relates to this project, both at home and abroad. This project will assist in advancing carbon capture and storage technologies, and will assist global power industry to similarly reduce their GHG emissions.

PROJECT AND CONSTRUCTION mANAGEmENT

Northern Reinforcement 230kV Transmission Line Proiect, PSEG, Newark, NJResponsibilities included risk analysis, constructability reports, office studies, cost analysis, earned value analysis, licensing and permitting support for the line construction

West Lake Wales to FPL 18mi 230kV Rebuild, Duke Energy Florida, Lake mary, FLProject included steel h-frame structures with vibratory caissons, wetland construction techniques, avian mitigation planning, and construction sequencing. Responsibilities include oversight, adherence to project specifications, material coordination, standards support, construction staking, construction support, and as-built reporting.

Transmission Line Owner’s Engineer, PPL, Allentown, PAResponsibilities include providing technical direction and information, specifications, technical bid preparation/review, reviewing engineering packages for conformity to applicable specifications.

Jackson Bluh to Liberty 8mi 115kV Rebuild, Duke Energy Florida, Lake mary, FLProject includes steel and concrete structures, environmental permitting due to wetlands, avian mitigation planning, and construction sequencing. Responsibilities include oversight, adherence to project specifications, material coordination, support to construction effort, and as-built reporting.

TRANSmISSION

Carrabelle Substation to Eastpoint Tap, 16mi 115kV Rebuild, Duke Energy Florida, Lake mary, FLStantec performed the detailed design and Issue for Construction (IFC) package for this project. Detailed design included preparation of structure load trees, bill of material, clearance evaluations, thermal conductor ratings study, permit preparation (road, environmental, & FAA) and EMF evaluation. One unique challenge to this project was the half mile Carrabelle River crossing component, of which a composite core conductor was selected to decreased structure heights (and associated cost) based upon low sag characteristics of the conductor and minimize environmental impacts.

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SES Solar Two Conceptual Design, 1Omi 230kV New Construction, SES Solar Two LLC, Scohsdale, AZStantec performed the detailed design and Issue for Construction (IFC) package for this project, located in California, to interconnect into San Diego Gas and Electric 230/500kV Substation Detailed design included preparation of structure load trees, bill of material, clearance evaluations, conductor ratings study, and permit preparation.

230kV Tower modeling, Imperial Irrigation District, El Centro, CaliforniaStantec prepared PLS-Tower models and performed detailed structural analysis to assist the liD staff engineer with new loading conditions that were proposed to be introduced. Since the original tower drawings were unavailable, this project included utilizing backpack LiDAR to scan the existing tower and prepare the structure model.

Flamingo Blvd, 1mi 138kV OH•UG Relocation Proiect, Nevada Power, Las Vegas, NVStantec performed the detailed design to underground existing transmission and distribution circuits that support large casinos (Bellagio, Caesars Palace, and Venetian) . The design was performed utilizing CYMCAP for cable ratings using XLPE in a duct bank that included two (2) 138kV transmission lines and four (4) 12kV distribution circuits. Licensing, permitting, and risk analysis was performed on this project.

Keenan II Wind Farm, 9mi 138kV New Construction, CPV Keenan II Renewables, OKStantec performed the detailed design and Issue for Construction (IFC) package for this project located in Oklahoma, using Oklahoma Gas and Electric design specifications. Detailed design included preparation of structure load trees, bill of material, clearance evaluations, thermal conductor ratings study, and permit preparation (road, environmental, & FAA).

SUBSTATION / PROTECTION & CONTROL

Iron Mountain 230•138kV, Greenfield, lOOOMVA, Substation, Nevada Energy, Las Vegas, NVStantec prepared the design for a new 230-138 kV, 990 MVA (three transformers) substation.

The station was designed with a client designed 20 foot wall to screen the station from the adjacent planned housing development. In order to eliminate dead-end towers, the design was prepared as an inverted breaker and a half scheme with lines pulling off of switch bases on the inverted ring. To maintain the 20 foot maximum height, bus sections were designed with below minimum clearances and installed inside internal fences.

Owner’s Engineer, PSEG, Newark, NJOn-site engineering staff at PSEG with responsibilities that include providing technical direction and information, specifications, technical bid preparation, and reviewing engineering packages for conformity to applicable specifications. Currently perform Substation-Electrical, Relay, and Protection and Control projects.

Bell 500-230kV Substation, Bonneville Power Administration, Spokane, WAAn existing 500kV switchyard was converted from a radial feed to a ring bus through the addition of 500kV breakers and associated switches and bus work. A new 500kV line, 500kV capacitor bank and a new 1300MVA, 500-230kV autotransformer were added to the station along with a new breaker in the existing 230kV yard. Stantec’s responsibility included the addition of new protection and control schemes and modification of the existing schemes to accommodate the expansion. New protection and control schematics and wiring were prepared for transformer, line, breaker failure and capacitor additions in the 500kV yard. .

230kv & 115kV Transmission Breaker Replacements Puget Sound Energy, Various Locations, WAStantec prepared the detail design and material lists for the replacement of 230 and 1 15kV power circuit breakers located at various facilities in Western Washington. Stantec was responsible for preparing plans, elevations, bus details, grounding, and conduit and cable details for replacing existing oil circuit breakers with new gas breakers. In addition, Stantec revised control schematics to integrate the new breakers into the existing protection and control schemes including the SCADA system.

Relay Replacement on a 138KV Line Relaying, Atlantic City Electric, Corson, NJThis project included upgrade of old mechanical relays with microprocessor relays (SEL-421 for primary and SEL-311 L for backup.) There were three relay racks for three 138kV lines. In addition to successfully completing the replacement, we provided recommendation for a primary and backup PT input scheme for protection and control. Northwest 500•230kV Substation, Nevada Energy, Las Vegas, NVStantec prepared civil, structural and yard physical drawings, new control building, preparation of relay and control schemes, panel wiring, SCADA installation and AC and DC power systems. With regards to the substation component, Stantec prepared the design for the addition of a 500 kV ring bus switchyard and a 1500 MVA power transformer to an existing 230 kV substation. The station was planned for the addition of a second 1500 MVA transformer. The 230 kV yard was expanded from a ring bus configuration to a breaker

and a half design with the main bus being upgraded to 6000 amp and the transformer bay being designed for 4000 amp. The station was designed for 50 kAIC on the 500 kV bus and 41 kA on the 230 kV bus. Due to the high fault currents and fixed bus spacing, the 230 kV bus structure required modification and special extra high strength insulators for the 8 inch bus.

SOOkV Protection & Control Standards Development, Pacificorp, Portland, ORStantec provided engineering support to PacifiCorp staff for the development of protection and control standards for the utility’s 500kV system. Services included the preparation of standard drawings including single line diagrams, three-line diagrams, AC and DC control schematics, panel arrangement and wiring drawings and bills of material. Protection schemes included bus, transformer, breaker, shunt reactors, series capacitors and phase shifting transformers

Circuit Breaker Replacements, Atlantic City Electric, Various Locations, NJProject scope was to replace 52 over-dutied breakers. Responsibilities included preparing drawing lists, BOM, transmittal, and reviewing design packages before final submission which greatly increased accuracy and consistency.

Relay Replacement on a 138KV Line Relaying - Corson, NJ - Atlantic City Electric.This project included upgrade of old mechanical relays with microprocessor relays. There were three relay racks for three 138kV lines. In addition to successfully completing the replacement, we provided recommendation for a primary and backup PT input scheme for protection and control.

Circuit Breaker Replacements, Central hudson Gas & Electric, Binghamton, NYProject scope was to replace various over-dutied breakers. Responsibilities included preparing drawing lists, BOM, transmittal, and reviewing design packages before final submission which greatly increased accuracy and consistency.

STUDIES

Passaic to Bayonne, 2.4mi 138kV Re-conductor, PSEG, Newark, NJStantec performed a detailed study to determine the probability of cost (and associated risk assessment) for converting an existing 138kV HPFF system to 345kV. Multiple cable designs were performed using LPP and Kraft paper insulation types to meet the requested requirements.

Carlstadt, 26/69kV Substation Upgrade, PSEG, Newark, NJStantec performed an office study that determined a probability of cost, risk assessment, assumptions, one-line, three-line, and schedule for the proposed station upgrade.

Bergen to North Bergen, 2mi 345kV Double Circuit Rebuild, PSEG, Newark, NJStantec performed a preliminary design, structure family types, conductor selection, clearance analysis, EMF study, and right-of-way analysis. The existing route has 4 circuits occupying a 200’ right-of-way, constructed on lattice towers. The project includes several design/construction constraints, such as, limited right-of-way, structures in tidal zones, railroad crossing/parallelisms, and proximity to industrial facilities.

DART/ONCOR, 138kV Clearance Study, Dallas, TxStantec performed a clearance study to review the impact of a proposed light rail system (using overhead trolley conductors) to an existing 138kV ONCOR transmission line. The study included required clearance reviews referencing both the NESC and OSHA, to ensure the proposed facilities would provide safe clearances during and after construction activities.

Roseland to Readington, 25mi 230kV Conductor Evaluation/Reconductor, PSEG, Newark, NJStantec performed a ratings study (and associated conductor study), probability of cost analysis, preliminary design, and risk assessment. The study identified a significant cost savings by recommending installing several mid-span “lift” structures at specified locations and keeping the existing conductor.

Great Notch I Totowa, 26/69kV Substation Upgrade, PSEG, Newark, NJStantec performed an office study that determined a probability of cost, risk assessment, assumptions, one-line, three-line, and schedule for the proposed station upgrade.

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Design with community in mind

We’re active members of the communities we serve. That’s why at Stantec, we always design with community in mind.

The Stantec community unites more than 13,000 specialists working in over 200 locations. We collaborate across disciplines and industries to make buildings, infrastructure, and energy and resource projects happen. Our work—professional consulting in planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics—begins at the intersection of community, creativity, and client relationships.

Since 1954, our local strength, knowledge, and relationships, coupled with our world-class expertise, have allowed us to go anywhere to meet our clients’ needs in more creative and personalized ways. With a long-term commitment to the people and places we serve, Stantec has the unique ability to connect to projects on a personal level and advance the quality of life in communities across the globe. Stantec trades on the TSx and the NYSE under the symbol STN.