In cases involving a common question of law or fact, when there are multiple petitioners and/or multiple respondents, the disputes, controversies, and issues shall be consolidated into a single arbitration proceeding.
(a) A person who is not a party to the arbitration may join in the arbitration at the request of any party with all the rights and obligations of
the original parties. Each party to an arbitration under this chapter is
deemed to be bound by the joinder of a new party.