The building and pest inspector had a good laugh at the problem solving skills of this handyman. If it doesn't fit make the hole larger.
This is the result of using an angle grinder to cut out for the down pipes.

This has resulted in a large hole which is allowing water to escape onto the ground causing moisture to pond around the footings. 
A large tube of sealent may help.
Plumbers are the best tradespeople to complete this job.