Site work for a playground / park / athletic field in Darien Center, New York. Completed plans call for site work for a playground / park / athletic field.

Question Deadline 10/28/2025 at 3:00 PM ET Vendor Questions Due To Provide and install a geothermal system To provide and install a Geothermal system - see details below o Installation of a Vertical Outside Heat Exchanger - Including excavation, installation of 1.5" Loops in each well (must provide stamped plans, photos and a report), 1.6 Conductivity Grout; individual header manufacturing, antifreeze filling and purging, and entry into the building including water sealing, and rough grading of the excavated Area, material & labor. (Within 50ft of the house) o (1) Ultra High Efficiency Forced Air Heat Pump - 7 Series Variable Speed or equivalent - 12 Stages of heating and 12 stages of cooling up to 41.0 EER cooling and 5.3 COP (530%) heating efficiency. These ratings are vastly greater than ordinary conditioning systems and 30% higher than current two-stage geothermal heat pumps. - Low Global Warming Potential R-454B Refrigerant - Aurora advanced variable speed control - 'Superboost' cooling mode - Variable Speed Compressor - Variable Speed ECM fan motor - FormiShield Plus coated air coil - Refrigerant Leak Detection - Electronic expansion valve o (1) Emergency Heat Element 10KW o (1) Non-Pressurized Variable Speed Geothermal Flowcenter with single variable speed geo circulation pump, material only. o Installation Material & Labor - Including insulation material for pipes, HDPE and copper piping, shut-off valves, check valves, ports for temperature and pressure gauges, purging ports, anti-vibration pads. o (1) TPCC32U03 Deluxe Communicating Touchscreen Thermostat or equivalent - Energy Monitoring with Humidity Probe and Full English Fault coed and alerts - Color: Black o (1) Performance Monitoring Kit 036-072 or equivalent - Monitors air and water temperatures, and water flow rate and calculates heat of Extraction/rejection and loop pressure (AXB required) o (1) Refrigeration Monitoring Kit - Monitors real-time pressures, temperatures, superheat and subcooling. (AXB required) o (1) Aurora Weblink or equivalent - A router that communicates directly with the control board rather than connecting to the Thermostat. This is to provide access to the unit sensors, energy use and system information. o (1) Symphony Thermostats or equivalent - An internet-enabled thermostat that allows homeowners to change temperature, set schedule, monitor vacation mode, and more via smart phone or tablet. o (1) Symphony Dashboard or equivalent - A personalized dashboard that provides quick access to your system's settings, operational status and history, alert history, energy usage, and zone temperatures as well as local weather. o Ducting Distribution - All forced air distribution to be installed and completed by this contractor. o Must apply for all required permits from DEC and Parks.