Round backdraft damper
$217.92 / EA
HV-199 · MasterFormat 23 33 00 · EA
What’s in this rate
This unit is setting one round backdraft damper in a prepared round duct or opening. The HVAC technician installs the round frame, checks blade free travel, and leaves the damper ready for operation. The rate is per each round backdraft damper; spring-assisted, counterweighted, motorized, parallel-blade, and opposed-blade backdraft or volume dampers are separate units.
Includes
- round backdraft damper (class mid)
- frame / linkage / round-collar share
- set and check blade travel
- small tools
Excludes
- spring-assisted backdraft damper
- counterweighted backdraft damper
- motorized backdraft damper
- parallel-blade, opposed-blade, multi-blade, or single-blade volume damper
- fire, smoke, or combination damper
- controls, BAS, or power wiring
- TAB
- after-hours work
Build-up
- Labor 0.8 hr × $68.00 wage and burden
- $54.40
- Material and small tools
- $125.70
- Direct rate (labor, material, and tools)
- $180.10 / EA
- Overhead 10% of direct
- $18.01
- Fee 10% of (direct and overhead)
- $19.81
- Loaded rate
- $217.92 / EA
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