Tying New Duct To Existing
Mismatch in size or class; leaks or restriction at the joint
Stop if
- What's the existing size/class and how does the spec want the tie-in?
Watch out
- Cut into existing before confirming it's isolated
Check
- Existing size, condition, pressure class, and connection type
Steps
- Existing size, condition, pressure class, and connection type
Say this to your foreman
What's the existing size/class and how does the spec want the tie-in?
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