Specification includes the requirements to provide plumbing repairs, installation, routine maintenance, and plumbing related remodeling services on an as-needed basis at the locations specified in the invitation for bid for a period of thirty-six (36) months or total payments not to exceed the successful bid amount, whichever comes first. This proposal will establish hourly rates and trip charges. Quantities listed are estimated and are only given for the purpose of bid evaluation. They do not indicate the actual amount which will be spent, since such expenditures will depend upon actual requirements which develop during the contract period. Plumbing services include, but are not limited to, the repairs and maintenance of all plumbing systems within Maintenance Shop buildings, or other Maryland State Highway Administration owned buildings, equipment and facilities in Worcester County that are under the authority of the Resident Maintenance Engineer. Plumbing services include, but are not limited to, emergency response, possible alteration/design, installation, maintenance, reconditioning, troubleshooting, or repair that may be required by the Maryland State Highway Administration. The Contractor will be expected to perform the required plumbing services from verbal requests (instructions/description) or specific drawings or blueprints. In general, the work involved will include, but is not limited to, installation, repairs or modification to water, sewer and drain lines; cleaning and unstopping of drains and sewer lines from 1" to 4"; installation, repairs or modification on a variety of bathrooms, kitchens, and lab fixtures including sinks, showers, toilets, urinals, water heaters, well pumps, holding tanks, sloan valves, hose bibs, drains; installation and repairs to pipe fittings gas pipes, pipe insulation, and heat tape; and the installation and testing of backflow preventers, checking pilot lights, cleaning sumps and snaking drains. This is not an all-inclusive list. Other types of specialized plumbing repairs and services may be required.