Project Overview

DTE Energy operates numerous small distributions networks made up of multiple transformers throughout the Metro region particularly in Downtown Detroit. These transformers are installed in alleys on support structures. The new series of transformers are significantly larger and heavier than their predecessors. The current design, dating back to the mid 1930’s, has been shown to be highly susceptible to corrosion and impact damage. NTH conducted an inspection and analysis of six existing structures noting a significant corrosion concern typical of the structures.

Project Scope

The nature of this project was to produce a new standard design for implementation going forward. This design standard would be used at any location were a structure is replaced or added to the overall network. Delivery of this project required detailed investigation into all possible installation location parameters and the possible loading scenarios that each installation could encounter for each transformer type. Following the determination of applicable loading scenarios, optimization of the standard as a whole was undertook to deliver a robust set of standard structure design plans that offered expandability, versatility, reparability and constructability in most of the possible structure installation locations.

Client Benefit

Delivered robust transformer support structure designs that are able to be easily reconfigured to keep pace with the energy demands of the Metro-Detroit region.