Senior BIM Modeler/Coordinator

Johns Systems

6 - 10 years

0 Lacs

bengaluru

Posted:3 weeks ago| Platform:

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Skills Required

bim modeler mechanical electricals boq preparation piping estimation engineering

Work Mode

Work from Office

Job Type

Full Time

Job Description

1) Model Integration

Federate
Process Piping
and
Electrical
models (Revit/IFC/NWC); align coordinates, grids, and levels.
Normalize system naming, units, specs, and worksets; fix links/visibility; set discipline takeoff views.
Deliverables:
Federated NWD/RVT, model health checklist, publish/version log.

2) Checking & Identifying Model Differences (Deltas)

Compare current vs. prior model revision; quantify adds/deletes/mods.
Process Piping:
size/spec/routing/elevation shifts; valve/instrument/support changes; new tie-ins.
Electrical:
conduit/tray size changes; feeder/branch reroutes; device/fixture/panel moves.
Tag impacts (Cost / Access / Schedule) by AreaLevelGrid.
Deliverables:
Delta table (CSV/XLS), annotated snapshots (PDF/NWD), prioritized impact list, RFI items.

3) Estimated Quantities (BOQ) — Process Piping & Electrical

Process Piping:
pipe LF by sizespec, fittings, weld type counts (orbital/butt/socket), valves, inline instruments, skids, heat-trace LF, insulation, supports/seismic.
Electrical:
conduit & cable tray by sizesystem, conductor LF (feeder/branch), pull points, devices, lighting, panels/MCC/switchgear, grounding, supports.
Apply location/system/WBS codes; include documented allowances for non-modeled scope.
Deliverables:
BOQ workbook (summary + discipline tabs), color-coded takeoff views, assumptions/exclusions log.

4) Clash Detection & Coordination

Run rule-based clash tests (PPEL and against Arch/Struct refs); classify by severity and cost/schedule impact.
Issue/owner tracking with due dates; weekly coordination and closure reporting.
Deliverables:
Clash matrix & issue log (CSV/ACC), ranked clash list, viewpoint sets (NWD/PDF), weekly summary.

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