Southern Concrete Services, Inc. v. Mapleton Contractors, Inc.,

407 F.Supp. 581 (N.D. Ga. 1975)

Facts

Mapleton (D) agreed in writing to purchase 'approximately 70,000 cubic yards' of concrete from Southern (P). D used only 12,542 cubic yards. P sued for breach of contract. D defended that cause of action with evidence of the industry custom; such contracts always involved flexible quantities. P made a motion to exclude all parol evidence of custom and usage.