Waukon Middle School, HVAC Upgrade

The Allamakee Community School District Middle School HVAC Upgrade Project shall consist of providing ductless mini-split heat pump / air conditioning systems, hot water pumps, dedicated outside air units, terminal heating units, modifications to existing unit ventilators, control valves, test and balancing, individual room heating and cooling units, ducted air distribution system, control system upgrades, electrical system upgrades, new ceilings, new lights, incidental fire alarm, incidental plumbing system modifications, incidental painting, incidental flooring, incidental sprinkler protection, and replacement windows under the alternates to in the Waukon Middle School project. Also included in the Waukon Middle School base bid work are demolition of specified components and removal, off site storage, and return of movable items to make way for asbestos removal and project construction. Alternate work shall include new windows and exterior wall work, additional classroom HVAC upgrades, electrical panel replacement, and miscellaneous architectural work. All work is within the city limits of Waukon, Iowa. All project work shall be substantially complete by November 30, 2023. All contract work must be completed by December 31, 2023. Proposals shall be submitted on a form furnished by the Allamakee Community School District Board of Education and accompanied by a bid security in the amount equal to five (5) percent of the both base bid and alternates, and shall stand as security that the successful bidder will enter into a contract for the work bid upon with ten (10) days after acceptance of his proposal by the Allamakee Community School District Board of Education Allamakee Community School District reserves the right to defer acceptance of any proposal for a period not to exceed thirty (30) calendar days and to reject any and all bids, to waive irregularities and technicalities and to enter into such contract as it shall deem for the best interest of said Allamakee Community School District. Bidders shall be prepared to submit performance and payment bonds conditioned on the faithful performance of the Contract. Out-of-State bidders shall be prepared to submit an Out-of-State Contractor bond to the Iowa Division of Labor in accordance with Chapter 91C of the Code of Iowa. Bidders may contact Director of Facilities Bill Hennessy, Allamakee Community School District at 563.568-3409 to arrange for a separate visit. A site visit will be conducted immediately following the Pre-Bid Conference. The Allamakee Community School District Board of Education reserves the unqualified right to reject any or all bids, or any part thereof, and to waive informalities, and to enter into such contract or contracts as shall be deemed in the best interests of the Allamakee Community School District for the Waukon Middle School HVAC Upgrade and Window Replacement. All bids will be governed by applicable provisions in the Iowa Code and Board of Education Policies. Public Hearing for the consideration of the project specifications and drawings or other action was made by the Allamakee Community School District Board of Education upon project at its meeting to be held at 5:30 p.m., September 19, 2022 in the Allamakee Community School District Board of Education meeting in Waukon, Iowa or at any other published and/or posted location of the Allamakee Community School District Board of Education meeting. The Middle School work shall be completed in one overall phase that will allow the new HVAC system to provide heat over the 2023-2024 fall/winter heating season by October 15, 2023, and the cooling and ventilation components to provide cooling by August 15, 2023. 2. Base bid and alternate work inside classrooms must be completed on or before August 8, 2023. 3. Security cameras, fire alarms, corridor floors, new domestic water piping, and waste and vent to and from existing plumbing fixtures, and new entryways must be completed on or before August 8, 2023. Contractor shall prepare work schedules, overtime, and off normal working hours to meet these deadlines. 4. The work shall include the heating upgrades and shall occur during the spring/summer/fall seasons, and shall not disrupt classes. 5. The base bid work shall include the following major items. (1) Clean the existing hot water unit ventilators in each room. Provide new hot water control valves and disable outside air dampers so the unit ventilators are only capable of recirculation of room air. Provide new air filters for each refurbished unit ventilator. Provide insulated metal cover over the outdoor intake opening on the interior walls under base bid and alternate bids not including the alternate to provide new windows and ACM panels at the window openings. Remove thermostats, controllers, control wiring connected to the unit ventilators. Provide new thermostats, controllers, and wiring connected to the Auto Matrix Building Automation system. Provide new shutoff and balancing valves to each refurbished unit ventilator. (2) Coordinate the refurbishing and cleaning of the unit ventilators with asbestos floor tile and mastic removal within the rooms in the specified project area. Asbestos and lead paint remediation / removal shall be provided by the Owner under separate contracts. (3) Coordinate the removal of items for offsite storage with hazardous material (asbestos and lead paint) abatement and removal contractor and Allamakee CSD. (4) Reuse existing hot water heating piping supplying the existing unit ventilators to the extent indicated on the drawings. Provide new balancing and shut off valves in hot water heating piping at each refurbished unit ventilator (5) Remove electrical and communication wiring and conduit/raceway serving components specified to be removed to the last active service. Do not abandon in place any disconnected wiring. (6) Remove existing control system components including hot water control valves, control dampers, thermostats, air compressors and instruments for components specified to be removed on the drawings including the unit ventilators. Remove control wiring and pneumatic control tubing between controllers and controlled items specified to be removed (7) Dispose of removed items in a lawful manner. (8) Connect the new control systems to the existing High School, Middle School, and West Elementary campus control system head end components located in the Middle School. (9) Provide ductless mini split air conditioning air cooled heat pumps to provide cooling and heating to the Middle School classrooms indicated under both base and alternate bids. (10) Provide a new dedicated outside air systems (DOAS) to supply and exhaust ventilation air to the individual rooms, and to provide back- up heating for the ductless mini split heat pump systems. (11) Provide supply and return/exhaust system ductwork to distribute ventilation air from the roof top DOAS systems. (12) Provide miscellaneous heating and ventilation components such as fin tubes, radiant heating strips, fans and hot water unit heaters to provide supplemental heating and ventilation. (13) Provide new refrigerant piping for the ductless mini split systems that will provide either cooling or heating depending on the season. (14) Provide new electric equipment and wiring and make electrical connections to new mechanical equipment and new lighting. (15) In new drop ceilings provide new communication and power wire for speakers in new drop ceilings, rerouting of communication wiring for new projector locations, new power outlets for new projector locations, and corridor security cameras that must be dropped in new ceilings. (16) Test and balance the revised existing hot water heating system before and after hot water piping. (17) Test and balance the DOAS air side and the new ducted air distribution system under both Base Bid and Alternates. (18) Test for sound levels in rooms with new HVAC ductless mini split units under both base bid and Alternates. (19) Remove existing light fixtures in classroom indicated. Reuse some of the removed light fixes in the attic spaces as indicated on the drawings. Turn over the removed fixtures not used in the attic spaces to the district. Provide new LED lights and associated lighting controls in the classrooms indicated in Middle School. Coordinate this light fixture exchange with the District. (20) Remove existing windows under the Alternate. (21) Provide new windows throughout as indicated. Include structural lintels for all new windows under the Alternate. (22) Provide manual roller shades for the base bid class rooms, and for class rooms indicated on the drawings under the Alternate. (23) Remove failing masonry work around windows and ceramic tiles above and around the windows and refinish as specified on the drawings under the Alternate. (24) Provide new acoustical tile ceilings as indicated on the drawings. Refer to architectural drawings for all locations. New ceilings are required for both Base Bid work and Alternate work. (25) Relocate existing ceiling mounted devices such as speakers, carbon monoxide detectors, security cameras, fire/smoke detectors and miscellaneous items in the new ceilings. Extend communication and power wiring to new locations for these ceiling mounted items. Security cameras shall be reinstalled and made functional before school starts after summer recess. (26) Provide new walls and enclosures where indicated on the drawings. (27) Seal duct, pipe and conduit penetrations made in corridor walls and floors. Provide fire dampers at any and all duct penetrations of the corridor fire walls. (28) Under the base bid and alternate HVAC work touch up paint all walls in all rooms where any construction work is specified to occur, and in any other rooms so indicated on the drawings. Refer to alternate description for entire room painting in addition to touch up painting incidental painting around HVAC components. (29) Repair draft stops in the attic spaces as indicated on the drawings. Blow in fiberglass insulation into the attic to replace that was removed or disturbed e during construction, and supplement existing compacted insulation to the depth specified on the drawings. (30) Provide incidental fire alarm system connection from new or relocated fire alarm to the existing fire alarm system throughout project area indicated (31) Provide patch and repair of walls and floors around the locations where the existing floor mounted unit ventilators were removed and not returned to that space. (32) Provide city street/road, asphalt parking lot, sidewalk, landscape repair required because of damage caused by the project construction. (33) Personnel removing and reinstalling the existing security cameras shall be technicians certified to work on security systems. The contractor shall submit the qualifications of the proposed individuals who will be working on the security camera system. (34) The Owner currently has a carbon monoxide (CO) sensing system installed in the project areas. This existing CO system is not "tied" into the fire alarm system. Provide new CO monitors as required by IBC to monitor and control CO levels in class rooms served by the new gas fired DOAS units. Also, tie the new CO monitors into the existing CO alarm system. 6. The Contractor shall coordinate all aspects of the work with the services schedule of Allamakee Community School District. Base Bid plus Allowance at the Middle School is between $684,000 and $1,026,000

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Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.