Sinks

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Kitchen Sinks

Many I've talked to have either a double sink or a deep single sink. For my money, I'm going with a deep single stainless steel sink, the capacity is larger and plumbing installation is simpler. Plus, the less piping underneath, the more space for storage there. It will hold more dishes, permit larger pots to be cleaned more readily, and I will use some spray foam insulation to make it both quieter to use, and hold the hot water at a higher temperature (hot water makes for cleaner, more sanitary dishes). Some folks that have double sinks have a cutting board made to fit one of the sinks, using it as a prep area. Counter space in a bus is at a premium at all times. Kitchen sinks use similar drains and baskets to catch crap, and commonly use 1 1/2 inch drain lines, different from bath sinks/vanities.

Bath Sinks

While I am NOT going to install a bath sink, some prefer them. You have a choice of installing a salvaged sink from an RV (and hoo-boy, are they tiny), or a conventional sink as used in a powder room (to save SOME space). CORNER sinks are nice, they use up less floor/wall space, and often can be hung directly on the wall, allowing more knee room for a toilet user. They do cost more, but you may find one at a house salvage yard or yard sale. Bath sinks typically use the smaller 1 1/4 inch drain lines.