As a subcontrator of R. Rudnick & Co., Ridgeworth completed the following work at the Chicago Metra Electric Substation in the spring of 2010:

1. Cleaned the present roof area of all loose dirt and debris and remove from the premises.
2. Installed a 2.0" Isocyanurate in a layer of Tremco Fast & Free Adhesive.
3. Installed a tapered Isocyanurate in Tremco Fast & Free.
4. Installed a high density fiberboard in Fast & Free.
5. Installed two layers of Composite Ply Premium HT in Power ply adhesive at a rate of 2 gallons per square per application.
6. Installed a Power Ply Premium smooth in the power ply adhesive.
7. Installed Tremco hypalon flashing sheet in sheeting bond flashing set on top of the masonry wall.
8. Coated walls with Tremco aluminum coating.
9. Installed Rock it Adhesive @ 5 gallons per sq. with 300 pounds of white marble chips.
10. Fabricated & installed two new scupper boxes.