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Don is a plumbing estimator and assistant project manager at Grunau Company. He is responsible for the estimation of plumbing bids and providing field personnel with technical support. Don also assists project managers with engineering, design work, purchasing, and equipment and material submittals. Don started working at Grunau in 1992 as a plumbing foreman with over 20 years experience. He trained as an apprentice at R.A. Bachman Company before working there as a laborer and plumbing foreman. He is a state of Wisconsin licensed master plumber. | 