National Grid Wakefield Junction

Location: Wakefield, Massachusetts
Client: National Grid
Engineer: Mitsubishi

Project Summary

This joint venture project with ESB of Westbrook, Maine, included the engineering, procurement and construction of a nine breaker 345kV GIS, Ring Station; two 345kV line positions; four 400MVA 345/115kV Auto Transformers; and eleven breaker 115kV GIS, Ring Station with six, 115kV Line positions, complete with system one and system two relay protection and control.

Challenge

State Electric was requested to escalate the project schedule and build the 115kV GIS ring in a six-week period.

Response

State Electric met the critical on-line date of the new substation in six weeks with 24/7 shifts of three crews expending 30,000 craft hours.

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