***As of January 8, 2022, this project has not yet been awarded. The project is expected to be awarded on January and/or February 2022.*** In light of the COVID-19 pandemic and the related prohibitions on gatherings of individuals of any size for any reason, it is anticipated that in-person attendance to the bid opening will not be permitted. If in-person attendance is not permitted at the bid opening, the bid opening will be recorded and streamed live online. If social distancing measures are still recommended by the CD C at the time of the bid opening, a website address to view the bid opening live will be provided in an addendum to the bid documents. It is the Board's intention to award the contract to the lowest qualified bidder in compliance with the specifications providing the required security who can meet the experience, technical and budget requirements. The Board reserves the right to reject any or all bids, waive any informality and to accept such bid which, in the opinion of the Board, is in the best interests of the School District. This section describes the tools, procedures and performance required for cleaning of the existing HVAC system. NADCA Standards: The HVAC system cleaning contractor shall perform the services specified here in accordance with the current published standards of the National Air Duct Cleaners Association (NADCA). 1. All terms in this specification shall have their meaning defined as stated in the NADCA Standards. 2. NADCA Standards shall be followed with no modifications or deviations being allowed. Scope: This section defines the minimum requirements necessary to render HVAC components clean, and to verify the cleanliness through inspection and/or testing in accordance with items specified herein and applicable NADCA Standards. The Contractor shall be responsible for the removal of visible surface contaminants and deposits from within the HVAC system in strict accordance with these specifications. The HVAC system includes any interior surface of the facility's air distribution system for conditioned spaces and/or occupied zones. This includes the entire heating, air-conditioning and ventilation system from the points where the air enters the system to the points where the air is discharged from the system. The return air grilles, return air ducts, and outdoor air ducts, to the air handling unit (AHU), the interior surfaces of the AHU, mixing box, coil compartment, condensate drain pans, humidifiers and dehumidifiers, supply air ducts, fans, fan housing, fan blades, air wash systems, spray eliminators, turning vanes, filters, filter housings, reheat coils, and supply diffusers are all considered part of the HVAC system. The HVAC system may also include other components such as dedicated exhaust and ventilation components and make-up air systems.
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