We delivered comprehensive mechanical drafting and BIM modeling services for a complex Triplex Conversion project in Belleville, Ontario, involving the addition of two Accessory Dwelling Units (ADUs) to an existing structure. Our service focused on the meticulous documentation and coordination of all mechanical systems. Utilizing BIM, we produced highly detailed HVAC and Plumbing drawings (Sanitary, Hot & Cold), ensuring the new ductwork and plumbing lines for the added units were seamlessly integrated with the existing infrastructure. This precise, coordinated package provided the Mechanical Contractor and General Contractor with clear specifications and plans, guaranteeing compliance and a successful, rework-free permit submission.