Board Of Aldermen - Minutes - 4/26/2021 - P22

NASHUA PD HVAC SYSTEMS-HISTORY

THE HVAC SYSTEMS WERE DESIGNED IN TWO (2) STAGES
WITH THE “ORIGINAL* PART OF THE FACILITY DESIGNED IN
1977 AND A SUBSEQUENT ADDITION AND RENOVATION
PROJECT IN 1999. THE HVAC SYSTEMS FOR THE TWO PARTS
OF THE FACILITY ARE COMPLETELY INDEPENDENT; THE 1977
DESIGN IS BASED ON A WATER SOURCE HEAT PUMP SYSTEM
AND THE1999 DESIGN IS BASED ONA VARIABLE AIR VOLUME
SYSTEM.

THE 1977 DESIGN INCORPORATEDA PISTOL RANGE ANDA
FLEET MAINTENANCE GARAGE AT THE BASEMENT LEVEL;
EACH WITH DEDICATED HVAC SYSTEMS.

2005 MODIFICATIONS: THIS PROJECT PRIMARILY INCLUDED
REPLACEMENT OF THE 1977 VINTAGE HEAT PUMPS, BOILER
AND MODIFICATION TO THE EXHAUST SYSTEM.