Lime Kiln Substation Retaining Wall - 2010

ECI’s Client: Vermont Electric Company (VELCO) & Green Mountain Power (GMP)

Completion Date: Spring 2010

Subcontractors: Maine Drilling & Blasting (Blasting & Rock Dowel Drilling)

ECI installed this Redi-Rock precast concrete block retaining wall for an electric substation project. The wall consists of over 2,700 blocks with a face area of about 15,600 square feet.   The project was the largest single wall project ever supplied by Carroll Concrete.  ECI installed as many as 9 truckloads of blocks per day which far exceeded Carroll’s previous record delivery rate of 5 trucks/day.

Scope of Work:

• Rock Excavation

• Reinforced Concrete Footing (700 cy) with Passive Rock Dowels

• Installation of 2,700 Blocks

• Backfill with Pervious Gravel

• 15,000 sy of GeoGrid