Our Construction Estimates. We provide estimates in a special company's format in excel and pdf form.General Contractor Registration Form (updated) Permit Fee Estimate Worksheet (common permit fee examples) More forms . . . Having problems viewing a form? NEDES Estimating is a one-stop shop for various estimation services. Our estimators are ready to assist with any project addendums. Plus, our estimates adhere to the local standards of Dallas, ensuring complete transparency. McCownGordon understands the importance of real-time construction estimates in Dallas Fort-Worth while working on your project.