Specialties
Dryden & LaRue has completed utilities services throughout Alaska. Specialties include: transmission, distribution, substations, inspection services, engineering reports and studies.
Transmission
D&L has a statewide reputation for transmission line design and trouble shooting. Our engineering staff has direct design experience with transmission voltage from 69 kV through 345 kV.
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Bradley Lake Kachemak Bay
115 kV tubular X-tower (new construction) |
Quartz Creek Line Summit Lake -
115 kV Wooden H-Poles,
Avalanche Diverting Structures |
ARCO West Sak/Kuparuk, North Slope
35 kV Wishbone Transmission |
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Distribution
Most of D&L’s engineering staff began their careers in the distribution field. We continue to provide distribution line design for many Alaskan utilities.
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Kodiak Island
12.5 kV Cannery Feeder |
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Substations
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University Substation, Anchorage
Temporary Railroad to minimize outages |
Hartman Substation, Kodiak
New Distribution Feeder Bay |
Hartman Substation, Kodiak
Control Panel |
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High Substation, Kodiak
69 kV to 12.5 kV New Substation |
Soldotna Substation Distribution Feeder Addition |
Fort Raymond Substation, Seward
2500 kW EMD Diesel Generator |
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| Petro Star Switch Station, Valdez |
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Inspection Services
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Highway Relocation, Turnagain Arm
Rock Anchor Installation |
Anchorage-Fairbanks Intertie, Talkeetna Remote Monitoring of Conductor Snowloading |
Inspection services include:
- contract administration
- bid document preparation & evaluation
- document control
- progress and cost control
- on-site inspection
- quality control
- closeout documentation
- as-built drawings
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Engineering Reports & Studies
D&L performs investigations for both overhead and underground electric lines. Typical services in these areas include:
- avalanche analysis
- snow/ice loading analysis
- line upgrades
- planning studies
- meteorological criteria
- CAD specifications
- design manuals
- voltage drop studies
- sectionalizing/coordination studies
- grounding studies
- noise investigation studies
- feasibility studies
- transmission relocation studies
- metal fatigue analysis
- construction cost estimate
- structure performance studies
- routing studies
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