About SUB ENGINEERING LLC
Sub-Engineering is an engineering and design firm specializing in high-voltage transmission and substation projects, offering customized engineering, design, and drafting services across North America. With over 17 years of experience, they provide reliable and cost-effective solutions for utilities and EPC firms.
Protection control engineering (one-line/three-line diagrams, AC/DC schematics, relay protection, SCADA/RTU design)Physical design engineering (substation layout, bus/structure design, grounding, cable trench planning)Project management (QA/QC, vendor review, compliance with IEEE/NESC standards)Substation drafting services (customized layouts, schematics, as-built documentation)Conceptual engineering and scope developmentBelow grade design (cable routing, grounding, foundation plans)Above grade design (structural and electrical components)Flexible engagement models (overflow drafting, temporary manpower, large-scale project support)
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