SENIOR CAD DRAFTER (ACMV)

Key Responsibilities

1. ACMV Drawing Preparation

Prepare ACMV drawings using AutoCAD based on contract drawings, specifications, equipment schedules and site requirements.

Produce drawings for: Air-conditioning and mechanical ventilation layouts. Supply, return, fresh-air and exhaust-air ductwork. Refrigerant and chilled-water piping. Condensate drain piping. FCUs, AHUs, PAHUs, VRV/VRF systems and condensing units. Ventilation fans, louvers, grilles and diffusers. Motorised dampers, volume control dampers and fire dampers. Equipment bases, supports, access platforms and service clearances. Control panels, sensors and ACMV control schematics

Prepare plans, sections, elevations, enlarged details and typical installation details.

Indicate duct and pipe sizes, airflow, levels, dimensions, equipment references and installation notes clearly.

2. Shop and Coordination Drawings

Develop detailed ACMV shop drawings from consultant tender or construction drawings.

Coordinate ACMV services with: Architectural layouts and ceiling plans. Structural beams, columns and slabs. Electrical systems and cable containment. Plumbing and sanitary services. Fire protection systems. Other mechanical and specialist services

Identify clashes, insufficient ceiling space, inaccessible equipment and routing conflicts.

Prepare coordinated sections and propose practical routing solutions for review by the Project Engineer or Project Manager.

Update drawings following coordination meetings, consultant comments and approved site instructions.

Minimum Qualifications and Experience

Diploma, NITEC, Higher NITEC or equivalent qualification in Mechanical Engineering, Building Services, Drafting or a related discipline.

At least 2–3 years of ACMV drafting experience in Singapore preferred.

Proficient in AutoCAD.

Ability to read architectural, structural and M&E drawings.

Good understanding of ACMV ductwork, refrigerant piping, chilled-water piping, drainage and equipment installation.

Familiarity with Singapore construction practices and authority requirements.