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Invitation to Bid MULTISTACK / WATER TOWER PREVENTATIVE MAINTENANCE Columbus City Schools (CCS) is seeking bids from interested and qualified companies or professionals to provide all service and maintenance for the seven (7) Mulitstacks and two (2) water towers located at 8 CCS locations. The locations and details of each chiller are listed in the attachments. This Invitation to Bid (“ITB”) is being released to invite interested and qualified chiller service companies or professionals to prepare and submit quotes in accordance with instructions provided. MINIMUM PROPOSER REQUIREMENTS All proposers upon vetting: 1. Provide proof of a minimum of ten (10) years’ experience performing the work described in the ITB of the actual lead technician performing the diagnosing work. 2. Provide proof of sufficient, competent and skilled staff with experience in performing the Services. This might be the resume of the lead technician actually performing the work. 3. Provide proof of all appropriate licenses and certifications required for actual technician performing the services described on Multistack equipment. 4. Apply and qualify for a vendor number and a LEDE certification (If qualified). Both numbers must be obtained prior to awarding. Company Information Required: 1. The proposer shall be an established company providing chiller maintenance service on Water cooled or air cooled chillers and associated equipment. 2. The proposer shall have been in this business for a minimum of ten (10) years and haJ 61856 bRheIbzqY 041580571 Db 94ve a local branch office. 3. The proposer must have an experienced factory certified trained service technician with min 5 years’ experience with Multistack units. 4. The proposer must document their experience with Multistack equipment controls. GENERAL REQUIREMENTS AND INFORMATION: Project Time Frame: The initial contract term will begin July 1, 2023, or immediately upon execution of a purchase order and continue through June 30, 2025, with the option to renew for two (2) additional one (1) year periods beginning July through June, with the same terms and conditions and satisfactory performance of all criteria and subject to the availability of funds for each renewal period. The optional renewal periods will be upon mutual written consent of both parties. The successful Contractor must be prepared to begin immediately upon receipt of a fully executed purchase order. Objective: To select the best-qualified proposer to design a program based on the operational requirements of the equipment. Utilizing the manufacturer’s recommendations to extend the equipment’s life, reduce Energy Consumption and to protect the Districts Capital investments. Contractor Review: Successful bidder will be subject to a contractor quarterly review. Completion of work Billing Job performance Schedule review Time Schedule: Bid release date April 17 2023 7:00am Last day for questions asked on Public Purchase April 23 2023 12:00 pm Questions Answered by April 24 2023 10:00am Bids due date is May 1, 2023 7:00am Pricing: Total cost of the preventative Maintenance Service will include labor, travel expenses required to clean, align and calibrate, tighten and lubricate equipment, visually inspect and test equipment to determine operating condition and efficiency according to manufacturers recommendations. Service will consist of Four (4) annual checks. Multistack / Water Towers seasonal start up. Spring start up (April/May) Water Tower Cleaning Mid-Season Check (July) Multistack operational inspection Mid-Season Check (August / September) Water towers cleaning and shut down Mid-Season Check (August / September) Multistack Cleaning Winter Cleaning (December) Sullivant ES is Water Tower PM only Building Locations: Linden McKinley 1320 Duxberry Ave 43211 Olde Orchard ES 800 McNaughton Ave 43223 Cedarwood ES 775 Bartfield Dr. 43207 Georgian Heights 784 Georgian Dr. 43228 Liberty ES 2901 Whitlow Rd 43223 Columbus Scioto 2951 S. High ST 43207 Sullivant ES 791 Griggs Ave 43223 Starling MS 145 S. Central Ave 43222 Scope of work: To provide a Preventative Maintenance for the listed Multistacks and Water Towers and to perform all duties required to clean, align and calibrate, tighten and lubricate equipment, visually inspect and test equipment to determine operating condition and efficiency according to manufacturer’s recommendations. Service will consist of three (4) annual checks. Service will be performed 3 times a year on the following schedule and task list. Provide service reports for each chiller after checks have been completed. Seasonal start up (April / May) Description: Electrical inspection – Control Panel Check heater operation Compressor Oil Level Pre-Start Pull and clean filter cartridges Seasonal start Multistack Compressor Oil Level Check Check crankcase heater Verify Pump operations and water flow Check high pressure cut out safety device Check low pressure safety device Check operation of auto blow down Check superheat and sub cooling Clean Heat Exchanger with Flush Solution according to Manufacturers Recommendations Preventative Maintenance bulletin # 021594PM and Heat Exchanger Cleaning procedures bulletin #091594CP Check pressure gauges Check master controls condition Check sensor accuracy Complete Multistack Inspection Report Water Tower cleaned and filled (Linden McKinley & Sullivant ES) Water Tower filter replaced Coil Cleaning Mid-Season (July) Description: Water tower strainer pulled and cleaned (Linden McKinley & Sullivant ES) Operational Inspection (August/September) Description: 1 Electrical inspection – Control Panel 2 Check heater operation 3 Compressor Oil Level Check 4 Check crankcase heater 5 Check superheat and sub cooling 6 Check pressure gauges 7 Check master controls condition 8 Check sensor accuracy 9 Complete Multistack Inspection Report 10 Water Tower cleaned and Drained (Linden McKinley & Sullivant ES) Winter Cleaning (December) Description (Linden McKinley only) Clean Heat Exchanger with Flush Solution according to Manufacturers Recommendations Preventative Maintenance bulletin # 021594PM and Heat Exchanger Cleaning procedures bulletin #091594CP

Bid Protests Not Available