You wouldn't need 1 1/2 or 2" pipe. 3/4 or 1" schedule 40# would be plenty strong. #3 10' pieces, #4 90 degree elbows, #6 T's, #6 90 degree street elbows. Take two of the 10 footers cut them to 6' or what ever length you like, the amount left over cuts to the length for the ends. The six T's are...