5. Think about your faucet layout. The granite fabricator will need to know how many holes to drill in the granite, and may need to see a specification sheet on the faucet you choose. This photo shows an air switch disposal button. Pushing this button activates the disposal, eliminating the need for a standard switch. There is also a soap dispenser. I like to put the faucet in the center of the sink and the other items at the corners, just like in this photo. This way when you turn on the faucet, it will not feel cramped.