Dear Billy.
On quote first type (Directly Drained Type) need to setup constantly drain it cannot use in Cosco.
becasue Cosco they can't setup sewage line for site office area.
that mean we have only seconde type (Excretion Packaging Type ) no need to setup anything it need only plastic bag ( see in attached file).
And about Cleaned 150 USD ( 1 times/day) for cleaning and change new plastic bag.