Mayo A/C Rooms 302 and 308

Scope of work for installing A/C at Mayo High School Room 302 shall include but not be limited to the following: Remove the existing unit which is a Trane 5 ton rooftop package heat pump. The model# and serial# are not available. The voltage for this unit is 208/230 volt three phase. Installation of a new unit will be one of the following: Trane, American Standard, Carrier, or equivalent rooftop package heat pump. It will be a 5 ton 3 phase 208/230 volt package heat pump with 10kw heat strips. This unit is to have hail guards on the condenser coils. If hail guards are not factory installed, they must be furnished and installed by the contractor. The existing disconnect for this unit is to be replaced with a new disconnect. If a single entry kit is not available, an outdoor breaker box may be used in the place of a disconnect. One breaker for the unit and another breaker for the strip heaters will be required. If the unit has a different foot print, a curb adaptor will be required and must be furnished by the contractor. All materials and supplies required to install these units are to be furnished and installed by the contractor. All holes created or uncovered by the replacement of these units must be sealed water tight to prevent roof leaks. The old units and debris from installing and replacement of these units must be cleaned up and disposed of by the contractor. Safety precautions to protect students, staff, and visitors must be taken. Scope of work for installing A/C at Mayo High School Room 308 shall include but not be limited to the following: Remove the two existing units which are Trane rooftop package heat pumps. There are two units for this room. One of the heat pumps is a Trane 3ton heat pump model# BWC036C300CA S serial#S27150359. The voltage is 208/230 volt single phase. The other unit is a Trane 3.5 ton package heat pump model# BWC042D300JA serial# S05101415. The voltage for this unit is 208/230 volt three phase. Installation of two new units which will be a Trane, American Standard, Carrier, or equivalent rooftop package heat pumps. There will be one three ton single phase 208/230 volt single phase package heat pump with 10kw heat strips, and one 3.5 ton three phase 208/230 volt package heat pump with 10kw heat strips. Both new units are to include hail guards on the condenser coils. If hail guards are not factory installed, they must be furnished and installed by the contractor. Disconnects for both units are to be replaced with new disconnects. If single entry kits are not available an outdoor breaker box may be used with a breaker for the unit and a breaker for the strip heaters. If the unit has a different, foot print a curb adaptor will be required and must be furnished by the contractor. All materials and supplies required to install these units are to be furnished and installed by the contractor. All holes created or uncovered by the replacement of these units must be sealed water tight to prevent roof leaks. The old units and debris from installing and replacement of these units must be cleaned up and disposed of by the contractor. Safety precautions to protect students, staff, and visitors must be taken.

Division 23 -

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