Parallel-blade volume damper
$140.48 / EA
HV-144 · MasterFormat 23 33 00 · EA
What’s in this rate
This unit is setting one parallel-blade volume damper in a prepared duct opening. The HVAC technician installs the frame, checks that the blades travel together, sets the locking quadrant as furnished, and leaves the damper ready for balance. The rate is per each parallel-blade volume damper; opposed-blade, single-blade, round, motorized, fire, and smoke dampers are separate units.
Includes
- parallel-blade volume damper (class mid)
- quadrant / linkage hardware as furnished
- set and check coordinated blade travel
- small tools
Excludes
- opposed-blade volume damper
- single-blade, round, or other multi-blade damper
- motorized damper or actuator
- fire, smoke, or combination damper
- TAB or controls
- after-hours work
Build-up
- Labor 0.65 hr × $68.00 wage and burden
- $44.20
- Material and small tools
- $71.90
- Direct rate (labor, material, and tools)
- $116.10 / EA
- Overhead 10% of direct
- $11.61
- Fee 10% of (direct and overhead)
- $12.77
- Loaded rate
- $140.48 / EA
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