An Ohio independent contractor agreement is a contract used to outline the tasks a contractor is hired to complete and the amount a client will pay in exchange. Payment Terms: This section details the payment structure for the project.It includes the total contract price, payment schedule (e.g. View our Ohio independent contractor agreement and download it in PDF or Word format so you can establish a contractorclient relationship. Available on the Ohio Department of Taxation's website is the form STEC CC, which is the construction contract exemption certificate. Follow these quick steps to edit the PDF Construction Contract Cost Plus or Fixed Fee - Ohio online for free: Sign up and log in to your account. 4 Types of Construction Contracts. 1. This Ohio Construction Contracts page summarizes the terms and requirements every Ohio construction company should know.