The US Embassy in Brazzaville requires services of the contractor to perform a comprehensive Test and Balance (TAB) for the cooling system, specifically the air handling units (AHUs) serving the chancery building.
Below are additional specifications with regards to the system
Number of Fan Coil Units: 4
Number of Balancing Dampers (Air) : 80
Number of Balancing Valves : 6
Number of Chillers : 3
Number of Primary Pumps : 2
Number of Secondary Pumps : 2
Number of Air Handling Units : 6
Number of Fire Dampers : 5
Composition of Chilled water system
- 3 Air-cooled chillers
- One chiller of the three is equipped with heat exchanger and glycol
- One supply line to the building
- One return line from the building.
- One bypass line with a with bypass valve.
- Chilled water flow SP= 6 liters per second.
The total number of dampers in the air distribution network : 80
Provision of images, schematics, or requirement specification documents