A grievance shall be settled according to the following procedure. STEP 1: The dispute shall be referred to the Business Manager of the Local Union involved or his designated representative and the Project Superintendent and/or the Employer’s representative at the project.STEP 2: In the event that the Business Representative of the Local Union and the Project Superintendent and/or the Employer representative at the project site cannot reach agreement within ten (10) calendar days after a meeting is arranged and held, the matter shall be referred to the International Union and the Labor Relations Representative of the responsible Employer. STEP 3: In the event that the International Representative and the Labor Relations Representative of the Employer are unable to resolve the dispute within ten(10) calendar days after completion of Step 2, it shall be referred, in writing, to the General President of the Union involved and the Home Office representative of the Employer. STEP 4: If the dispute is not resolved within ten (10) calendar days after completion of Step 3, the Employer and the Union shall choose a mutually agreed upon Arbitrator for final and binding arbitration. The impartial Arbitrator shall be selected from a panel of arbitrators submitted by and in accordance with the rules and regulations of the American Arbitration Association. The decision of the Arbitrator shall be binding upon all parties. The Arbitrator shall have no authority to change, amend, add to, or detract from any of the provisions of this Agreement. The expense of the impartial Arbitrator shall be borne equally by the Employer and the involved Union.