Specifications include, but are not limited to: A. Building Plumbing 1. Repair of existing plumbing infrastructure / equipment 2. Certification / Inspection of existing plumbing equipment 3. Troubleshooting existing plumbing systems. 4. Installation of new plumbing systems 5. Expansion of existing plumbing systems. 6. Repair or patching of existing materials affected during plumbing work B. Site Utility Plumbing 1. Repair of existing plumbing infrastructure / equipment 2. Certification / Inspection of existing plumbing equipment 3. Troubleshooting existing plumbing systems. 4. Installation of new plumbing systems, pipes, conduits, sleeves, fittings 5. Expansion of existing plumbing systems. 6. Repair or patching of existing materials affected during plumbing work C. Excavation 1. Backhoe excavation work. 2. Loader work to support required excavation work. 3. Trenching excavation work. 4. Directional Boring excavation and drilling work. D. Building Mechanical Work 1. Repair of existing HVAC pumps, air handlers, compressors, blowers, boilers and associated infrastructure and equipment 2. Certification / Inspection of existing mechanical equipment 3. Troubleshooting existing HVAC systems. 4. Installation of new mechanical and HVAC systems 5. Leak Repair, Recharge, and Refrigerant Recovery 6. Duct Work, Ventilation Repair, Duct Cleaning 7. Repair, Maintenance, Recharge of Ground Source Field piping.