1. EXTEND EX. BOILER CONCRETE HOUSEKEEPING PAD TO ACCOMMODATE NEW PUMPS, SEE DETAIL. 2. NEW BOILER B-1, SEE SCHEDULE. 3. NEW MAKEUP WATER ASSEMBLY, SEE DETAIL. INSTALL ASSEMBLY AT APPROX. 9'-6" A.F.F. 4. ROUTE NEW 3/4" LINE TO EX. HOSE BIBB. 5. NEW STEEL COMPRESSION TANK WITH SIGHT GLASS, RE: SCHEDULE. INSTALL AT SAME ELEVATION AS EXISTING (APPROXIMATELY 11'-0" A.F.F.). SECURE TO JOISTS USING GALVANIZED THREADED ROD AND ANGLE IN A MINIMUM OF TWO LOCATIONS. 6. CONNECT MAKEUP WATER LINE TO 1-1/2" HEATING-HOT WATER SUPPLY. 7. NEW 1-1/2" HEATING-HOT WATER HYDRONIC PIPING, INSULATION & JACKET, TYPICAL. SEE HVAC DIAGRAM FOR DETAILS. DO NOT ROUTE ANY NEW PIPING IN MOTOR STARTER NEC CLEAR WORKSPACE. 8. NEW HEATING-HOT WATER PUMPS ON BOILER HOUSEKEEPING PAD, SEE DIAGRAM & SCHEDULE. 9. CONNECT NEW 1-1/2" HEATING-HOT WATER SUPPLY TO EX. HEATING-HOT WATER SUPPLY PIPING. 10. CONNECT NEW 1-1/2" HEATING-HOT WATER RETURN TO EX. HEATING-HOT WATER RETURN PIPING...
