The County is seeking a comprehensive as needed plumbing services for new installations, upgrades, replacements and repairs at County facilities. The County will require the Contractor to supply all equipment, tools, materials, mechanical machinery, and all labor and safety equipment to perform commercial plumbing services for new installations, upgrades, replacements and repairs. 1. The Contractor is to provide as-needed commercial plumbing services to the County Facilities. The Contractor shall provide plumbing services to diagnose and repair a variety of plumbing problems. 2. Contractor and all authorized subcontractors shall be properly licensed. Contractor shall be responsible for obtaining all permits if required. Contractor shall be responsible for complying with Missouri Building Safety Codes, Fire Cords, OSHA, and all other governing codes, permits, laws, regulations and statutes pertaining to the work being performed. 3. Work shall include, but is not necessarily limited to installation, repairs or modification to water, sewer, and drain lines; cleaning and unstopping of drains and sewer lines; installation, repairs, or modification of a variety of bathroom sink, shower, toilet, urinals, hot water heaters, well pumps, holding tanks, and drains; installation of gas pipes, pipe insulation, and heat tape; installation and testing of backflow preventers.