Identifying utility penetrations
Identify and size all service and utility penetrations. Install all appropriate and properly sized sleeves where required. Keep in mind that lightweight sleeves can be crushed during concrete placement.
List of some possible service penetrations:
- Dryer vent
- Water heater vent
- Water
- Sewer
- Electrical main service
- Gasoline
- A/C line
- Furnace vent
- Air Exchange/HRV
- Central vacuum
- Ducting
- Bathroom vent
- Kitchen appliance venting
- Fireplace rough opening and vent
- Pet door