Venturing down holes to evaluate a rock’s ability to support building foundations wasn’t as appealing to geologist Tim Petz as communicating with people in the onsite wastewater world. When given an opportunity to help solve their problems, he chose a hands-on career with immediate gratification over writing construction reports.In 2004, Petz opened All Service Septic in Arvada, Colo. It specializes in designing residential onsite systems and construction management, but has no employees. “I subcontract all my labor,” says Petz, 43. “When money is available, they get paid. When work slows down, they go skiing.” The policy enabled the company to
