B. Scope 1. Concrete repairs include the following: a. Influent channel where existing concrete blocking is removed after grinder is removed. b. Area around new wall penetrations in existing concrete walls. A. Mixing Water 1. Clear, potable, and free of deleterious substances. B. Aggregate 1. ASTM C33 2. Pea Gravel a. Meets the gradation and material requirements of Standard Size 14 per ASTM C33. b. Clean and free from deleterious matter and contains no limestone. C. Epoxy Bonding Agent 1. ASTM C881 Type I, II, IV or V; Grade 2 for epoxy resin adhesives, depending on the application. Confirm Epoxy Bonding Agent class is suitable for all ambient and substrate temperatures. 2. Acceptable Products: a. "Sikadur Hi-Mod Seriesî by the Sika Corp, Lyndhurst, NJ b. "CR 246" by Sto Corporation, Atlanta, GA c. "Duralbond" by Euclid Chemical Company, Cleveland, OH d. "Euco #452 Series" by Euclid Chemical Company, Cleveland, OH e. "MBT Concresive Series" by BASF Construction Chemicals f. Engineer approved equal D. Anti-corrosion Rebar Coating 1. Two or three-component, epoxy-modified cementitious material. 2. Acceptable Products: a. "Sika Armatec 110 EpoCem " by Sika Corp., Lyndhurst, NJ b. "CR 246" by Sto Corporation, Atlanta, GA c. "Duralprep A.C." by the Euclid Chemical Company d. "MBT Emaco P24" by BASF Construction Chemicals e. Engineer approved equal
