A Practice Note explaining key issues in the discovery (disclosure) process of a domestic US construction arbitration, such as conducting disclosure in an ad hoc proceeding or under institutional rules, identifying the disclosure's scope, and managing electronically stored information (ESI) and other disclosures (for example, site visits, depositions, expert disclosure, and third party disclosure). This Note identifies the various tools available to parties and factors for parties to consider when preparing for and seeking prehearing disclosure in a construction arbitration in the US.