All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: 1. Walker County Service call: To include travel one-way from contractor's shop or previous job, whichever is nearest to ALDOT facility and one hour labor for master plumber and plumber helper. 2. Walker County: Master plumber regular hours Monday-Friday 7:30 am - 4:30 pm. 3. Walker County: Master Plumber overtime hours, hours not listed as regular hours, weekends, state & federal holidays. 4. Walker County: Plumber helper regular hours Monday-Friday 7:30 am - 4:30 pm. 5. Walker County: Plumber helper overtime hours not listed as regular hours, weekend, state & federal holidays. 6. Walker County: Plumbing repair parts & supplies.