HVAC DRAUGHTSMANDuct layout drawings, chilled water piping layouts, HVAC equipment layout, HVAC sections, schematic diagrams, coordination drawingsDraft piping for chilled water systems, VRF, split AC, etc.Ensure adequate spacing for duct routing, access, and maintenance.PLUMBING DRAUGHTSMANPrepare water supply layout, drainage layout, isometric drawings, riser diagrams, pump room layouts, schematic diagramsDraft layouts for cold/hot water supply, drainage, vent systems, and stormwater pipingIndicate slopes, pipe sizes, cleanouts, and fixture locations.Coordinate routing with other services (HVAC, Electrical) in a congested ceiling spaceELECTRICAL DRAUGHTSMANDraft layouts for lighting, power, fire alarm, and low-voltage systems.Develop single-line diagrams (SLDs), load schedules, and panel board schedules.Show conduit routes, cable trays, and wiring layouts.size cables and select circuit breakers based on load requirementsPanel Dimensions & Mounting, Component Layout, Labelling and Identification, Wiring and Cable Management, Grounding and Earthing)