Approval of Change Order #3 – Tricon Construction Group – Water Treatment Facility Upgrade — E-3

KEY NOTES 1. PROCESS EQUIPMENT PIPING, TYPE - SEE PROCESS MECHANICAL. 2. ROUTE DUCT DOWN TO 12 INCHES AFT, TERMINATE WITH ALUMINUM SCREEN, RUN OUT TO THE ALUMINUM SCREEN 24" CLEAR. 3. SEE MECHANICAL AND ELECTRICAL VENT PIPEWORK SHOWN, PROVIDE CONCENTRIC VENT KIT AS CLOSE TO EXTERIOR WALL AS POSSIBLE, RUN PIPEWORK TO EXTERIOR WALL, PROVIDE WEATHER AND VAPOR TIGHT SEAL AT WALL PENETRATION, PROVIDE WEATHER AND VAPOR TIGHT SEAL AT WALL PENETRATION. 4. BOTTOM OF ELECTRIC UNIT HEATER SHALL BE MOUNTED 8'6" AFT, PROVIDE WEATHER AND VAPOR TIGHT SEAL AT WALL PENETRATION. 5. CONNECT GAS TO NEW HVAC EQUIPMENT, PROVIDE DIRT LEG SHUTOFF VALVE AND REGULATOR, REGULATE DOWN TO MANUFACTURER RECOMMENDED OPERATING PRESSURE. 6. ALL EQUIPMENT ACCESSORIES AND WORK IN THE AREA SHALL BE SUPPLIED BY THE OWNER. 7. INSTALL CONTROL DEVICE AT 5'6" AFT. 8. ROUTE DUCT DOWN TO 12 INCHES AFT, TERMINATE IN MCC/ELECTRICAL ROOM WITH SCREEN INTO RO SKID ROOM, ELBOW UP AND CONNECT TO FAN, SEE MECHANICAL AND ELECTRICAL VENT PIPEWORK SHOWN, TERMINATE FAN WITH 14 INCHES OF DUCTWORK AND SCREEN. 20-HVAC PLAN 3/16" = 1'-0" (22" x 34") 3/32" = 1'-0" (11" x 17") WATER TREATMENT FACILITY UPGRADE CITY OF TIPPIN JOHNSON COUNTY, IA RO BUILDING HVAC PLAN