Projects

US Army Corp of Engineers Lock 27 Power Distribution Upgrade
Granite City, IL
Completed in 2020
Prime Contract with USACE

Wissehr Electrical Contractors was awarded a prime contract by the US Army Corp of Engineers to complete the power distribution upgrades at Lock 27 in Granite City, the busiest Lock along the Mississippi River system. Electrical work included upgrade of the 1,200 amp 480 volt electrical service and power distribution system complete with zone selective interlocking and digital metering. Wissehr was responsible for coordination work activities and outages with the Lock personnel, the barge industry, and Ameren Electric. To make sure the project work met the government’s strict specifications, Wissehr provided a full time on-site quality control supervisor and safety supervisor for the entire duration of the project. New underground concrete encased ductbanks were installed for power to the Lock. Power feeders were upgraded and replaced for many of the motor control centers controlling the Lock systems. Existing circuit breakers were upgraded throughout the Lock to improve electrical coordination. All work was completed with minimal interruptions to the facility operations to keep the river open for the barge industry.

Bi-State Development Agency / Metro – MO-05 Substation Feeder Replacement
St. Louis, MO
Completed 2019
Prime Contract with Bi-State Development Agency / Metro

Wissehr installed new underground duct banks and switches for 2KV traction power feeder cables that power Metro’s overhead catenary system. Work involved sawcutting, removal, and replacement of pavement, installation of concrete encased duct banks with fiberglass reinforced polymer conduit, site restoration, and pavement replacement. Work was accomplished while minimally impacting Metro train operations and vehicular traffic in parking lot by performing work in phases and also during weekend and night shifts.

Bi-State Development Agency / Metro – Union Station Tunnel Rehabilitation
St. Louis, MO
Completed 2020
Subcontractor to Kiewit

Installation and upgrades to electrical and communications systems for the Union Station Tunnel rehabilitation project in St. Louis, MO. Work included furnishing and installing a 65,000 lb pre-manufactured building to house electrical and communication equipment, installing a 250kw generator with transfer switches, installation of electrical communication conduit and duct banks, installation of manholes, fiber optic cables in fiberglass trough, and upgrade to vital life safety and communication system components.

Southern Illinois University at Edwardsville Renovate Central Chiller Plant
Edwardsville, IL
Completed 2015
Prime Contract with Illinois Capital Development Board

Wissehr Electrical Contractors was awarded a prime contract with the Illinois CDB for upgrading the medium and low voltage power distribution system at the central chiller plant which provides chilled water for HVAC systems at all of the buildings on campus. Existing 5KV switchgear and padmounted transformers were removed and replaced along with associated medium voltage electrical feeders to chillers, pumps, and other critical equipment in the building. New cable tray was installed throughout the plant to provide flexibility for future electrical modifications and additions. Square D PowerLogic digital metering was installed and connected to the building automation system to allow the electrical system to be remotely monitored for power demand, usage, and quality. Pump starters were upgrade to variable frequency drives to provide energy efficiency based on system demand. The project was completed in phases to minimize impact to the campus, especially during the warm season.

Southern Illinois University at Edwardsville Data Center Renovation at Dunham Hall
Edwardsville, IL
Completed 2015
Prime Contract with Illinois Capital Development Board

Wissehr made improvements in order to modernize the aging campus data center infrastructure. The work was carefully scheduled, coordinated, and phased with University officials to minimize disruption to the campus network. Electrical work included upgrade of the 480 volt electrical distribution system, replacement of the existing Liebert UPS system with an APC Symmetra PX 125KW scalable and hot-swappable 480 volt 3-phase UPS system, installation of two – 20 rack APC Netshelter hot-aisle containment systems complete with InRow cooling units, smart PDU power supplies and an overhead Powerbus busway power distribution system. The data center fire alarm and suppression system was upgraded with a FM-200 agent and a new analog addressable detection and notification system for the room, raised-floor, and the hot-aisle containment areas. The room ceiling was replaced and new LED lighting was installed. Wissehr was also responsible for other upgrades such a wall partition modifications, painting, chilled water mechanical piping, upgrade of existing chillers, plumbing, HVAC, and other work.