California Glendale Water & Power is planning to repower its 238-MW Grayson Power Plant. The project’s scope includes construction of foundations; purchase and erection of structural steel; demolition and removal of the current boiler building, steam turbines and cooling towers; installation of simple- and combined-cycle combustion turbine generator units, to be supplied by Siemens Corp.; and purchase and installation of heat-recovery steam generators and fuel gas compressors. The project will increase power generation capacity to 250 MW. Stantec is the owner’s engineer. An EPC firm will be chosen from a short list of four: Haskell Corp., Kiewit Power Constructors, MasTec Power and PSC Primoris-ARB Inc. Demolition is expected to begin in June and construction in March 2019. The estimated EPC cost is $500 million. Glendale Water & Power, 141 North Glendale Ave., Glendale, 91206. IR#CA180319.
Georgia AVAPCO LLC is planning to construct an integrated biofuels plant at its demonstration biorefinery site in Thomaston. The project scope includes construction of equipment foundations and purchase and installation of reactors, storage tanks and pre-treatment, fermentation and distillation equipment. Byogy Renewables Inc., a partner in the project, will provide its alcohol-to-jet fuel process technology and Petron Scientech Inc., another project partner, will provide ethanol-to-ethylene conversion technology. AVAPCO will perform the design engineering in house. AVAPCO, a unit of American Process Inc., will use the plant to process woody biomass and produce renewable jet fuel, gasoline, diesel and nanocellulose. American Process Inc., 56 17th St. NE, Atlanta, 30309. IR#GA180314.