Prepare and review mechanical shop drawings as per project specifications. Develop and follow up on mechanical material submittals. Coordinate with electrical and civil disciplines to ensure full integration. Issue and respond to RFIs. Provide technical support to site and procurement teams. Attend technical and coordination meetings with consultants and clients. Prepare as-built drawings and maintain technical documentation. Perform quantity take-offs when required. Ensure proper archiving of drawings, submittals, and correspondence.