PLM Electric Power Engineering
PLM Hopkinton MA 508-435-0200
Services: System Design
System Design

Substations (Design &

Institutional & Industrial
Power Systems
Transmission Systems (O/H & U/G) Emergency & Standby Power Services
Distribution Systems (O/H & U/G) Mobile Transformers
As-Built Drawings & Documentation Non-Utility Generator Interconnection
Construction Phase Services Cutover Procedures/ Facility Commissioning
Power Factor & Voltage Control Project Planning, Scheduling and Estimating
Design Reviews/Owner's Engineer Services Spill Containment Facilities
Shop Drawing Review Distribution System Mapping Services
Distribution & Voltage Conversion Subcontractor Evaluations
System Design Details
substation design image
PLM has specified and designed many substation, transmission line and distribution projects. We have experience in both turnkey EPC projects and traditional Design - Bid - Build projects. We are recognized for providing a well thought out, cost effective design that meets all client requirements. Our detailed design package often results in limited or no contractor change orders during the construction process.

A typical design project starts with a detailed Design Memorandum that sets forth the basic criteria that will be used to design the facility. Following client review and approval of the Design Memorandum the conceptual project design and and schedule are prepared, followed by any required permitting activities, specification and bidding of major equipment, and preparation of the construction contract. In most cases we provide construction phase services, including review of contractor submittals, field review of the work progress, assistance with utility interconnection requirements and preparation of relay settings. A final as-constructed drawing and record package is prepared at the close of the project.

System Design Project Profiles
Transmission Line Project GIS Indoor 115kV Switchgear

Municipal Substation & Distribution Conversion
Design-Build Substation
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