General Motors Plant
Janesville, WI
Property / Facility Specifications
This information was collected from sources deemed reliable, however, it is subject to change without notice.
I. Facility Size
A. Land
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Main plant located on 114.3 acre site
Six other parcels totaling 20.7 acres used for parking and support facilities
One other parcel totaling 112.7 acres used for vehicle storage and transmodal (rail-to-truck)
facility
B. Buildings
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Main plant constructed in stages from 1920’s through 1990’s
o 16.5% constructed before 1940
o 31.0% constructed between 1940 and 1969
o 52.4% constructed after 1970
Main plant contains 3,943,600 SF
o 59.6% of plant (2,350,200 SF) on ground floor
o 38.1% of plant (1,504,900 SF) on second floor
o
2.3% of plant
(88,462 SF) on third floor
Other buildings include Powerhouse (22,400 SF); Tire Building (97,300 SF); Old Wax
Building (46,100 SF); CARE Building (40,600 SF); Paint Mix Building (19,200 SF); Training
Center (9,400 SF); and Wastewater Pretreatment Plant (7,900 SF)
Ceiling heights range from 16’ to 30’
Bay / Columns are typically 40’ x 40’, with some 40’ x 60’ areas
C. Transportation
1. Railroad
 3 Railroad Dock Areas
 All Railroad Docks Indoor
2. Docks
 There are 10 Dock Areas that encompass 57 Dock Spots in Total
 The Docks have Heated Air Curtains and Seals
 A Majority of the Outside Dock Areas are Industrial Sewer Based
 Most Docks are concentrated on the Property’s South Side
 All the Dock Areas have Hydraulic Dock Locks and Plates
 Most Docks have High Speed Roll-Up Doors
3. Parking
 Capacity for more than 4000
 Fully Closed Circuit Monitoring
 Fully Lighted
 Fully Paved
Page 1 of 5
General Motors Plant
Janesville, WI
Property / Facility Specifications
This information was collected from sources deemed reliable, however, it is subject to change without notice.
4. Elevators
 11 Hydraulic Freight Elevators
 1 Cable Freight Elevator
II. Utilities
A. Electrical
1. Supply to Plant
 Alliant Energy supplies the plant with electric service at a Distribution voltage rate.
 Multiple Fed Alliant Energy Outdoor 138,000-Volt Substation
 Dual Automatic Tap Changing 138 KV to12.47 KV Transformers – Each rated at 33.3
MVA
 Fiber Linked Communication from Plant Main breakers to Alliant Energy Oil Circuit
Breakers
 Dual Overhead 12.47 KV Feeds to Plant
 Dual Overhead Feeds are Tied together with a Normally Closed Breaker in the Plant
 Each Alliant Energy Transformer, Overhead Feed and Plant Main Switch Gear Capable
of 33.3 MVA
 Plant interior is Powered by 2000 Amp, 12.47 KV Switch Gear capable of 33.3 MVA
2. In -Plant Distribution
 12,460 Volt Cable Distributed in Cable Tray above Roof Line
 14 Substations across the Plant to Convert to 480-Volt Delta
 General Plant Power is distributed by Bus Bar
 Power Bus Systems are primarily GE 800 Amp
 Welder Bus Systems are 1600 Amp Dual Ended Feeds from Separate Transformers
 All Substations and Bus Are In ESWP Compliance
 Substations are all Dual Fed with 12,460 Volt Feeders
 All Substations have 480 Volt Tie Breakers with Interlocks
 All Substations have Dual Transformers fed by Separate Feeds
 Newest Substations Utilize Sparing Transformer Setup
 There are No PCB Based Transformers
3. Powerhouse
 Dual Fed Outdoor 12,460 to 4160 Volt Transformers for Air Compressors
 Separate Substation for 4160 Volt Distribution for Air Compressors
 Separate Substation for 480 Volt Distribution
 There are No PCB Based Transformers
4. Lighting and 120 Volt Power
 All Indoor Non-Emergency Lighting are 120 Volt
 Lighting and 120 Volt Power are fed from Column Mounted Panels
 Each Power Panel is 480 Volt Bus fed to a Separate Transformer for Each Panel
Page 2 of 5
General Motors Plant
Janesville, WI
Property / Facility Specifications
This information was collected from sources deemed reliable, however, it is subject to change without notice.
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Power Panels are Square D
A Majority of the Light Fixtures in the Plant have been replaced with T-8 Energy Efficient
Fluorescent Fixtures
NOTE: Over the last 30 years, the Plant experienced only one electrical outage. It
occurred during non-production hours while performing substation maintenance.
5. Emergency Lighting
 Newly Replaced Emergency Lighting in Entire Plant
 Utilizing T-8 Fluorescent Fixtures
 Three New Kohler Generators and Transfer Switches
 Emergency Lighting System is 277 Volt Based
B. Heating and Air Conditioning
1. Natural Gas Supply
 Alliant Energy provides gas distribution service to the plant. GM supplies the gas.
 Fed from one 8” steel service on the North End of the Plant at 115 psi. Metered and then
regulated down to a 20 psi service.
 Loop in Plant is Typically 20 PSI
 Tank Farm has a Propane and Compressed Air Mixing Station for Operating from a Site
Located Propane Tank Farm
2. Heating
 Two New Natural Gas Steam Package Boilers (English) 80,000 Lbs Per Hour Each
 One Boiler is Capable of carrying Plant Heating Load
 Five Coal Boilers Disabled in Place
 Majority of the Plant is heated from Direct Fired Gas Roof Mounted Air Houses
 Majority of the Heating System Is Ethernet Based PLC Controlled for Energy
Management
3. Air Conditioning
 Office Areas are Air Conditioned with Air Exchangers and Freon Based Units.
 Plant is not Air Conditioned
C. Water Supply
1. Potable Water
 South End of Property from Jackson Street for Fire Protection Tanks and Pumps
 Center of Property from Jackson Street for General Plant Use
 North End of Property from Delavan Drive for General Plant Use
 North End of Property for Fire Protection Pump House
Page 3 of 5
General Motors Plant
Janesville, WI
Property / Facility Specifications
This information was collected from sources deemed reliable, however, it is subject to change without notice.
2. Fire Protection
 Fully Sprinkled Building (100% wet)
 New Simplex Fire and Watch System
 Full Outside Loop with Section Valves
 Two Independent Water Feeds to the Loop
 Individual PIV Feeds to the Plant
D. Sewer Systems – (All Sewer Systems are stenciled for Identification).
1. Sanitary Sewer
 Sanitary is all directed to a Main located under the Roadway in the front of the Plant
 Sanitary is tied to The City of Janesville Sanitary System
2. Industrial Sewer
 Industrial Sewers are directed to a Separate Holding Tank which is then Pumped to a
Waste Water Pre-Treatment Facility located at a separate site a city block away then to
The City of Janesville Sanitary System
3. Storm Sewer
 Storm Water is collected from the Roofs and Parking Lots to a Double Barrel Storm Pipe
 The Double Barrel System runs underground from the South End of the Plant to North
End of the Property Terminating at the Storm Water Treatment Area
 The Storm Water is screened for Large Residual and Pumped into Three Holding Tanks
where it is processed upon exit from the Tanks to Remove Oil and Returned to the Rock
River
E. Telecommunications & Computer
1. Telecommunications
 Telephone Switch Located In Computer Room
 Redundant ATT Fiber. One comes from east of the Plant and the other from west of the
Plant
 Nextel Main Hub in Computer Room
 75 Nextel Antennas located throughout the Plant
 70 Fiber Hubs throughout the Plant – Blown Fiber – Extra Tubes Available
 Multi-Mode And Single Mode Fibers Installed
2. Computer Room
 Fully Secured Computer Room
 Redundant Dual UPS System
 Each UPS is Fed From Different Substation
 Double Redundant Air Conditioning System
 Elevated Panel Floor
Page 4 of 5
General Motors Plant
Janesville, WI
Property / Facility Specifications
This information was collected from sources deemed reliable, however, it is subject to change without notice.
III. Other
A. Compressed Air
 23,000 CFM Capability
 Six Reciprocal Compressors
 One Centrifugal Compressor
 New Cooling Tower
 Water Based Air Dryer
 New Coalescing Filters
 Plant Air is Distributed and Ringed
 Body Shop Area has Freon Based Air Dryers
 Paint Shop has Pall Air Dryers
B. Security
 4 Turnstile Entrances
 3 Front Entrances
 Outside Cameras are Fiber connected to the Main Security Entrance
 Perimeter is Fully Fenced with the exception of the front roadway
C. Tank Farm
 Contains the Storm Water Treatment, Propane Mixing Station, Propane Farm, Gasoline Bulk
Tank, Diesel Bulk Tank, Transmission Fluid Bulk Tank, Power Steering Bulk Tank, Radiator
Fluid Bulk Tank, and Thinner Bulk Tank
 The Bulk Unloading Area has a New Spill Containment System
 The Tank Farm is protected by a Foam Fire Suppression System
 Pump House for Bulk Fluids
 Overhead Enclosed Trestle for Piping to the Plant
D. Paint Mix
 Separated Paint Mix Facility, Located on Plant’s 2nd and 3rd Floors
 Separate Loading Dock Area and connected to Main Building by an Overhead Enclosed
Trestle
NOTE: While the main Paint Line infrastructure exists, some components have been
removed.
E. Environmental
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Phase I completed 2008/2009; Phase II subject to Disposition Plan(s)
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Test (water) Wells exist onsite, at both the Main Plant and the Transload properties (NOTE:
WI DNR collected well data in 2012); GM anticipates receiving no further remediation letter
Q3 2016 for Transload property
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2015 Rock River Monterey Dam sediment study, which is near the Plant, reported elevated
levels of contaminants
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