On-Call Construction Services : General Contractor for Water and Wastewater Treatment Facilities

General contractors for general construction work that is needed by the Public Works and Natural Resources Department for water and wastewater treatment facilities. Typical projects include, but are not limited to the following: 1. Underground and aboveground pipe repair and installation. Pipelines may be pressurized or gravity. Materials may be concrete, plastic, ductile iron, cast iron, stainless steel, etc. Sizes may be from ½” diameter up to several feet in diameter. 2. Miscellaneous structural work including small building foundations, slabs, containment walls, etc. 3. Interior and exterior building construction and modifications 4. Industrial coatings 5. Piping modifications 6. Storage tank construction and repair 7. Pump station construction and repair 8. Metal work, welding, fabrication etc. 9. Installation, repair and replacement of pumps, valves, slide gates, blowers, aeration basin diffusers, grinders, biofilter media, chemical feed equipment and piping, or other water/wastewater related equipment 10. Demolition of water and wastewater related processes.

Sewage Treatment Plant, New Construction, Water Treatment Plant, Renovation, Water Treatment Plant, Renovation.

Division 02 -	Existing Conditions, Subsurface Investigation, Geotechnical Investigations, Subsurface Drilling and Sampling.
Division 03 -	Concrete, Concrete Reinforcing, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing, Metal Fabrications.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Windows, Hardware, Glazing.
Division 09 -	Finishes, Flooring, Painting and Coating.
Division 10 -	Specialties, Signage, Compartments and Cubicles, Safety Specialties, Emergency Aid Specialties, Fire Protection Specialties, Lockers, Storage Assemblies, Flagpoles.
Division 11 -	Equipment, Laboratory Equipment.
Division 12 -	Furnishings.
Division 13 -	Special Construction.
Division 14 -	Conveying Equipment, Lifts.
Division 21 -	Fire Suppression, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Air Terminal Units.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Power Distribution Units, Lighting, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Audio-Video Communications, Distributed Audio-Video Communications Systems.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Access Control, Intrusion Detection, Electronic Surveillance, Video Surveillance, Electronic Detection and Alarm, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Earthwork Methods.
Division 32 -	Exterior Improvements, Flexible Paving, Rigid Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Irrigation, Planting, Turf and Grasses.
Division 33 -	Utilities, Instrumentation and Control for Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Disinfecting of Water Utility Distribution, Water Utility Storage Tanks, Wastewater Utility Pumping Stations, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 40 -	Process Integration, Water Process Piping, Instrumentation and Control for Process Systems.
Division 41 -	Material Processing and Handling Equipment, Bulk Material Processing Equipment, Bulk Material Conveying Equipment, Bulk Material Feeders, Conveyors, Cranes and Hoists.
Division 44 -	Pollution and Waste Control Equipment, Common Work Results for Pollution and Waste Control Equipment, Air Pollution Control, Noise Pollution Control, Odor Control, Odor Treatment Equipment, Water Pollution Control Equipment, Water Pollution Containment and Cleanup Equipment, Solid Waste Control and Reuse, Waste Thermal Processing Equipment, Fluidized Bed Combustion Equipment, Rotary Kiln Incinerators, Pyrolysis Equipment, Hazardous Waste and Medical Waste Incinerators, Heat Recovery Equipment for Waste Thermal Processing, Synthesis Gas Cleanup and Handling Equipment.
Division 46 -	Water and Wastewater Equipment, Common Work Results for Water and Wastewater Equipment, Water and Wastewater Preliminary Treatment Equipment, Water and Wastewater Chemical Feed Equipment, Water and Wastewater Clarification and Mixing Equipment, Water and Wastewater Secondary Treatment Equipment, Water and Wastewater Advanced Treatment Equipment, Water and Wastewater Residuals Handling and Treatment.