quantity surveyor cum BIM modeler

BIM MODELER CUM QUANTITY SURVEYOR (MECHANICAL&ELECTRICAL TRADE)

Roles & Responsibilities:

1. 3D Modelling & Drawing Preparation

• Develop detailed 3D BIM models for electrical systems:
• Cable trays
• Conduits
• Lighting systems
• Power distribution
• Prepare shop drawings based on tender and construction drawings
• Ensure models comply with Singapore standards (e.g. BCA / project specs)

2. Coordination & Clash Detection

• Coordinate with other disciplines:
• Mechanical (ACMV)
• Plumbing & sanitary
• Structural
• Perform clash detection using software like:
• Autodesk Revit
• Navisworks
• Attend coordination meetings and update models accordingly

3. As-Built Documentation

• Update BIM model based on actual site installation
• Produce as-built drawings for submission

4. Compliance & Standards

• Follow BIM Execution Plan (BEP)
• Ensure compliance with:
• Singapore BIM requirements (e.g. BCA guidelines)
• Company standards

5. Support to Project Team

• Assist engineers and project managers with visualization
• Extract drawings for site use
• Provide quantity take-off (basic, from model)

6. Cost Estimation &Tendering

• Prepare cost estimates for electrical works:
• Materials (cables, DBs, lighting)
• Labour
• Review tender drawings and specifications
• Prepare and submit tender documents & BOQ (Bill of Quantities)

7. Measurement & Quantity Take-Off

• Measure quantities from:
• Drawings
• BIM models
• Prepare accurate quantity take-offs for:
• Cabling lengths
• Containment systems
• Equipment

8. Cost Control & Budget Management

• Monitor project costs vs budget
• Track variations and changes
• Prepare cost reports

9. Progress Claims & Payments

• Prepare monthly progress claims
• Evaluate subcontractor claims
• Handle payment certification

10. Variation Orders (VO)

• Identify and price variation works
• Submit VO claims to main contractor/client
• Negotiate final account settlement

11. Procurement Support

• Source quotations from suppliers/subcontractors
• Compare prices and recommend best options

12. Final Account

• Prepare and finalize project final accounts
• Ensure all variations and claims are included