Spring-assisted round backdraft
$213.08 / EA
HV-213 · MasterFormat 23 33 00 · EA
What’s in this rate
This unit is setting one spring-assisted round backdraft damper in a prepared round duct or opening. The HVAC technician installs the round frame with spring assist, checks blade free travel, and leaves the damper ready for operation. The rate is per each spring-assisted round backdraft damper; plain round, spring-assisted rectangular, counterweighted, motorized, parallel-blade, and opposed-blade backdraft or volume dampers are separate units.
Includes
- spring-assisted round backdraft damper (class mid)
- frame / linkage / round-collar share
- set and check blade travel
- small tools
Excludes
- plain round backdraft damper without spring assist
- spring-assisted backdraft damper as a separate rectangular class
- 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
- $121.70
- Direct rate (labor, material, and tools)
- $176.10 / EA
- Overhead 10% of direct
- $17.61
- Fee 10% of (direct and overhead)
- $19.37
- Loaded rate
- $213.08 / EA
Related rates
Use this in a private library
Create a free account to keep your own hours, burden, and supplier quotes behind a login. Published rates stay public. Your own hours and quotes stay private.