Spool Repairs
If the damage is extensive and cannot be repaired with a local full circle band clamp or an electrofusion patch, two mechanical fittings can be used by cutting out the damaged pipe and using an assembly with two mechanical fittings with a properly sized and length of polyethylene pipe (or possibly another type of pipe, depending on the fittings) in the middle.
![image](images/repair-methods-permanent03.png)
![image](images/repair-methods-permanent04.png)
![image](images/repair-couplings.png)
Repair Assembly using Circumferentially Bolted Couplings
![image](images/repair-methods-permanent03.png)
Step 2
![image](images/repair-methods-permanent04.png)
Step 3
![image](images/spool-repair3.png)
Step 4
![image](images/spool-repair4.png)
- This method of repair is acceptable when area is wet or fusion equipment is not available.
- All steps must be followed.