INSTALL 6 HEAT RUNS FOR BASEMENT FINISH. ADD NEW TRUNK LINE FOR 4 HEAT RUNS ON THE WEST SIDE OF THE MAIN BEAM. REPIPE 1ST HEAT RUN ON 8X16 TRUNK TO PLENUM. ADD SUPPLY RUN TO MECHANICAL ROOM AND BATHROOM FROM MAIN TRUNKLINE. ADD 6” “HOMERUN” SUPPLY TO BACK OFFICE. ADD 10X32 RETURN TO MAIN BASEMENT LIVING AREA, AND PIPE BACK TO THE RETURN AIR. INSTALL BALANCING DAMPERS FOR SUPPLY LINE RUNNING OFF THE TOP OF THE PLENUM. PROVIDE 6” DAMPERS FOR ALL SUPPLIES ADDED IN BASEMENT PROJECT. ADJUST FURNACE BLOWER MOTOR TO ACCOUNT FOR NEW SYSTEM STATIC PRESSURE. PROVIDE DUCT RUN AND TERMINATION FOR BATH FAN. (FAN NOT INCLUDED)