I completed some my last bit of cleating in preparation for final assembly. The dog kennel, air conditioning compartment, and small bulkhead storage compartment are ready. I also prepared the drain for the air conditioner.

The dog hops up into the kennel without trouble even from the underfloor storage compartment.

Here's my drain configuration. Start with a shower drain then 2" to 1" adapter, 1" to 3/4" adapter, 3/4" threaded to 3/4" sleeve adapter.

I routed this freehand and am quite pleased with how it turned out. I'll seal the whole area with epoxy.

I dropped the floor of the compartment 1" from front to back to facilitate drainage.

I'll route the drain pipe through the ceiling of the cooler compartment, through the lower side of the kennel, into the battery compartment and out through the floor.