ELV CAD Draftsman

Job Description

Duties and Responsibilitiesa. Drawings and Technical Deliverablesú Prepare design layouts, device-location layouts, shop drawings, IFC drawing development, General Arrangement drawings and coordination drawings.ú Prepare schematic diagrams, single-line diagrams, block diagrams, riser diagrams, wiring diagrams and complete system connectivity drawings.ú Prepare rack layouts and rack elevations, equipment layouts and elevations, equipment-room layouts, wall elevations, reflected ceiling coordination drawings, and control-panel / LCP layouts and elevations.ú Prepare containment and cable-routing drawings, cable schedules, termination details, builders? work drawings, provision drawings, mounting details and typical installation details.ú Clearly indicate drawing numbers, revisions, dimensions, scales, device tags, mounting heights, cable references, legends, symbols, system notes and equipment references, as applicable.ú Prepare all other drawing or drafting documentation required for tender, approval, procurement, installation, testing, commissioning, operation, maintenance or final handover.b. Tender, BOQ and Quantity Take-Offú Review tender drawings, architectural and MEP drawings, specifications, BOQs, schedules and related documents.ú Perform complete and accurate quantity take-offs for ELV, automation, AV, ICT and associated systems from tender and project drawings.ú Count and identify devices and equipment, including speakers, cameras, access-control points, data outlets, Wi-Fi access points, keypads, touch panels, sensors, control modules, racks and all related accessories.ú Assist the Estimation and Design teams in preparing and checking BOQs, equipment schedules and marked-up tender drawings.ú Compare drawings, specifications and BOQs; identify discrepancies, omissions, conflicting requirements and missing quantities; and report them before submission or pricing.c. Design and Multidisciplinary Coordinationú Translate design concepts and engineering information into complete, clear and professional technical drawings.ú Coordinate ELV drawings with architectural, interior design, reflected ceiling, electrical, mechanical, structural, landscape, joinery and other relevant drawings.ú Coordinate continuously with the Design, Estimation, Engineering, Projects and Procurement teams to ensure that drawings match the approved system design and selected equipment.ú Identify clashes, missing information, space restrictions, accessibility concerns and coordination issues, and raise them promptly with the responsible engineer before drawings are issued.ú Revise drawings in accordance with client, consultant, authority and engineer comments and maintain traceable responses until approval is obtained.d.Site Coordination and As-Built Documentationú Coordinate with project engineers, site engineers, supervisors and installation teams so that drawings are practical and suitable for execution.ú Attend site surveys, inspections and coordination meetings when required; take measurements; and verify dimensions, equipment locations, mounting heights, containment routes and actual site conditions.ú Update drawings based on approved site modifications, actual installation conditions, red-line mark-ups and instructions from the responsible engineer.ú Support the site team with drawing-related technical information and issue timely revisions required for installation and second-fix works.ú Maintain red-line records throughout execution and prepare final as-built drawings that accurately reflect the completed installation.e.CAD Standards, Submissions and Document Controlú Apply the Company?s CAD standards, title blocks, layers, line weights, blocks, symbols, legends, naming conventions, scales and file structures consistently.ú Develop and maintain standard CAD blocks, system symbols, legends, typical details and drawing templates for the Company?s different systems.ú Maintain drawing registers, revision histories, submission records and organized DWG, PDF and supporting files for every project.ú Ensure that only the latest approved drawings are issued to the project and site teams and that superseded drawings are clearly identified and archived.ú Prepare final drawing packages for project handover and O&M documentation and support document submissions as required.ú Use Revit, Navisworks or other coordination software when required by the project and within your competence or following Company training.f. Quality, Accuracy and Accountabilityú Check every drawing and quantity take-off for accuracy, completeness, coordination and compliance before internal review or external submission.ú Confirm that all work is based on the latest approved architectural, MEP, interior design, equipment and engineering information.ú Meet agreed drawing schedules and promptly notify the responsible manager of missing information or risks that may delay submissions or site works.ú Maintain confidentiality and protect all Company, client and project information, drawings, designs, pricing data, files and intellectual property.ú Carry out other drafting, design-support, estimation-support, technical-documentation and project-coordination duties reasonably related to your position and experience.SkillsELV (Extra Low Voltage) systems design & draftingAutoCAD / CAD draftingDrawing preparationHome Automation & Smart Home systemsLighting Control Systems (DALI protocol)Audio Visual (AV) systems / Home CinemaCCTV & Access Control systemsStructured Cabling / ICT & Data NetworksBOQ preparation & Quantity Take-off (QTO)Single-line diagrams & schematic drawingsRack layout & elevation drawingsAs-built drawing preparationRevit / Navisworks (coordination software)Multidisciplinary drawing coordination (architectural/MEP)Site survey & measurement verificationCable routing & containment drawings

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