Construction : Awbrey Park Elementary School HVAC Upgrades

2026-11-03

The project involves replacing the chiller system and making selected HVAC modifications inside the Gym / Cafeteria building . THE PROJECT GENERALLY CONSISTS OF THE FOLLOWING ELEMENTS : NEW WORK ; 1 . INFILL ROOF CURBS WHERE REFRIGERANT CONDENSERS WERE REMOVED , AND INSTALL CAPS . 2 . FINISH CHILLER MECHANICAL ROOM FLOOR SMOOTH , AND PAINT USING DISTRICT APPROVED EPOXY FINISH AND COLOR . 3 . PATCH NE EXTERIOR WALL WHERE CMU SCREEN WALL WAS REMOVED , MATCHING SURROUNDING SURFACES . 4 . INSTALL NEW CONCRETE FLATWORK AT MECHANICAL YARD TO MATCH SURROUNDING SURFACES . 5 . INSTALL NEW CHILLER EQUIPMENT PAD AT MECHANICAL YARD , 6 . INSTALL NEW OVERHEAD CHILLER PIPING SUPPORT FROM CHILLER TO MECHANICAL ROOM WALL . 7 . INSTALL NEW CHILLED WATER PIPING AT CEILING OF MECHANICAL ROOM AND CONNECT TO EXISTING FLANGES AT SW CORNER OF ROOM . 8 . INSTALL NEW CHILLER ELECTRICAL CONDUIT AND SERVICE FROM EXISTING PANEL TO NEW CHILLER . 9 . INSTALL NEW BRANCH CHILLED WATER PIPING , CHILLED WATER CONTROL VALVES , AND CHILLED WATER COILS AT HV - 1 MECHANICAL ROOM AND DUCTS IN MANSARD ROOF CAVITY , ABOVE . 10 . INSTALL NEW 2 - WAY CHILLED WATER CONTROL VALVES AT FOUR EXISTING MULTIZONE AIR HANDLING UNITS IN BUILDING A . 11 . INSTALL NEW CHILLED WATER SYSTEM PRESSURE SENSOR / TRANSMITTER FOR CONTROL OF VARIABLE FLOW PUMPING . 12 . INSTALL AND COMMISSION CONTROLS INTERFACE BETWEEN EXISTING AUTOMATED LOGIC DDC CONTROL PANELS AND NEW CHILLER AND CONTROL VALVES . PROVIDE REVISED CONTROL SEQUENCES TO PROVIDE NEW CHILLED WATER SUPPLY TEMPERATURE RESET , AND VARIABLE FLOW PUMPING . DEMOLITION ; 1 . DISPOSE OF ALL DEMOLISHED EQUIPMENT AND MATERIALS IN ACCORDANCE WITH DISTRICT RECYCLING AND WASTE HANDLING REQUIREMENTS . 2 . REMOVE TWO ROOFTOP REFRIGERANT CONDENSING UNITS ON BUILDING B ROOF , INCLUDING ALL PIPING & CONDUIT . RETAIN EXISTING CURBS FOR SUBSEQUENT CAPPING . 3 . REMOVE CHILLER , INCLUDING ALL PIPING , CONDUIT , AND ACCESSORIES . 4 . REMOVE CHILLED WATER PUMP , INCLUDING PIPING & CONDUIT BACK TO FLANGES AT CEILING IN SW CORNER OF CHILLER MECHANICAL ROOM AND ELECTRICAL DISTRIBUTION PANEL , RESPECTIVELY . 5 . REMOVE CHILLED WATER EXPANSION TANKS AND MAKEUP WATER PIPING & ACCESSORY COMPONENTS . 6 . REMOVE CONCRETE EQUIPMENT PADS NO LONGER USED AND PREPARE MECHANICAL ROOM FLOOR SURFACES FOR SUBSEQUENT GROUTING , SMOOTHING , AND PAINTING . 7 . REMOVE DUCTWORK IN HV - 1 SUPPLY DUCT WHERE NEW COOLING COILS AND DUCT TRANSITIONS ARE TO BE INSTALLED . REMOVE EXISTING FENCE ENCLOSURE AT EMERGENCY GENERATOR . 8 . REMOVE EXISTING CMU SCREEN WALL PREPARING SURFACES FOR SUBSEQUENT PATCHING AND NEW MECHANICAL YARD FENCE ENCLOSURE . 9 . REMOVE 3 - WAY CHILLED WATER CONTROL VALVES AND BYPASS PIPING AT BUILDING A MULTIZONE AIR HANDLING UNITS MZ - 1 , MZ - 2 , MZ - 3 , AND MZ - 4 .

Oregon

2026-04-08