Filter No. 11 Rehabilitation Draper Water Treatment Plant

The Work consists of construction of Filter No. 11 Rehabilitation, including the described work, and incidentals for complete and usable facility: 1. Filter No. 11: a. Demolition/ Removal and off-site disposal of existing filter media, and underdrain system. b. Installation, testing, disinfection and commissioning of new underdrain system, filter media and media retention caps: 1) Materials for new underdrains, filter media and media retention caps are provided by Owner. Installation of new media retention caps shall follow manufacturer's instructions. The bill of materials for all Owner provided equipment and materials is included in the attachments to this section. 2) Following demolition, Owner, Engineer, and Contractor shall provide two (2) weeks' notice prior to inspection of filter bays and determine type of and quantity of concrete repairs (if any) as indicated on the unit price portion of the bid form and specified herein. 3) Contractor shall be responsible to provide any and all materials (i.e. grout, epoxy system for anchors, etc.), equipment, and labor as required to integrate the Owner provided materials to provide a complete and working underdrain system as specified herein. (i.e. grout, epoxy system for anchors, etc.). 4) Contractor shall be responsible to provide manufacturers field services during installation, testing, and commissioning of the filter No. 11 underdrain system and media retention cap Assignment of procurement contract provided in Amendment No. 1 to the Contract. c. Installation, testing, disinfection, and commissioning of filter media: 1) Filter media for Filter 11 to be provided by Owner and are currently on-site in storage supersacs. 2) Contractor shall be responsible to install, test, disinfect and commission media as specified herein. 2. Concrete Repairs: a. As identified during demolition operations, Owner, Contractor, and Engineer will agree on any existing conditions which require repair. All concrete repairs will be performed by the contractor in accordance with the specifications, however, concrete repairs made necessary by action of the Contractor shall be considered outside the scope of work will not receive payment. Question Deadline 05/26/2023 at 10:00 AM CT

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	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.
Division 08 -	Openings, Doors and Frames, Windows, Hardware.
Division 09 -	Finishes, Painting and Coating.
Division 10 -	Specialties, Signage, Compartments and Cubicles, Emergency Aid Specialties, Fire Protection Specialties, Storage Assemblies.
Division 11 -	Equipment, Laboratory Equipment.
Division 14 -	Conveying Equipment.
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.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Distributed Audio-Video Communications Systems.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Access Control, Intrusion Detection, Electronic Surveillance, Electronic Detection and Alarm.
Division 31 -	Earthwork, Earthwork Methods.
Division 32 -	Exterior Improvements, Flexible Paving, Rigid Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 44 -	Pollution and Waste Control Equipment, Common Work Results for Pollution and Waste Control Equipment, Air Pollution Control, Noise Pollution Control, Odor Control, Water Pollution Control 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.