From small-scale systems to the rugged and complex, our management, engineering, and construction teams have built-out and connected T&D, substation, and energy infrastructure projects from Alaska to California.
Construction of the substation composed of in and out 115 kV termination structures, a 115kV ring bus composed of six (6) 115 kV manual disconnects switches (1) with vacuum bottle interrupter, (1) 115 kV circuit switcher, (1) 115-7.2/12.47 kV,15/20/25 MVA power transformer, (1) 15 kV GOAB disconnect switch, an outdoor enclosed (5) bay 15 kV metal clad switchgear building, transformer oil containment systems and a modular control building.
Constructed the Lincoln Rock Switchyard, built the feeder get-away conduit systems in the vicinity, rebuilt, and terminated the transmission lines in the switchyard.
Rebuilt a four-mile portion of the District’s Chelan-Manson 115kV transmission line as part of a wildfire mitigation effort. Installed all steel structures, pole base culvert materials, conductors, overhead ground wires, hardware and equipment.
Removed and replaced steel monopole structures and concrete foundations. Replaced structure and Installed push poles, transmission, and distribution conductors from structure to 40414 to structure 31685. Installed communication line from structure 1 to structure 31685. Removal of existing overhead conductor and poles. Provided traffic control and dewatering for foundation installation.
Replaced 31 poles, installed 7 new poles, 16 gang switches, reconductor existing primaries and neutrals to 9400’ X3 for 28,000’ of 795AAC primary and 9400’ of477AAC neutral. Replaced transformers as needed, transferred U/G risers as needed, transferred secondaries as needed, transferred all streetlights.
Performed the work and furnished all equipment and material as specified in the Scope of Work in regard to Request for Proposal (RFP) DOC RFX# 5426, Hazelwood 115kV Ring Bus - Tie to BPA. Work included all clarifications, modifications or other changes made to such Scope of Work pursuant to addenda issued.
Installation of Tri-Met gateway green relocate 12 kV UG Vaults. Bored 3,000 linear feet and installed 3,800 linear feet of underground conduit and cable. Installed (10) Pad Vaults.
Expanded the 230 kV portion of the Rapids Switchyard, constructed the first span of the connecting transmission line between A Frame structure (2DE2) and new monopole (2DE3). Installed 115kV switches. Removed existing switches and replaced with district purchased switches.
Installed and removed poles and transfer conductor. Structures 10/11 11/11 12/11; W.O6924780 Tri-Met NE Halsey I-205 Relocate 067171.
We had 85+ mph up on Camano Island, that … brought us a total of 250,000 customers with the loss of power. The amount of efficient, professional, safe, dedicated work ethic portrayed by your GF’s, Lineman, Apprentices, groundman, which was supported by all of Magnum’s management, allowed us to restore power to our customers by at least 2 days sooner.
One of the best crews I have ever had in 13 years of crew guiding
Foreman and crew were not only very professional but also did a great job.
If we have a difficult job, we know Magnum's going to get it done.