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Advanced BIM
Design Engineering

Charlotte  ·  Liu

Charlotte Liu is a specialist consultancy delivering high-fidelity BIM solutions and design engineering for complex global projects. From coordinating HVAC systems for the Hong Kong Airport Third Runway to providing Revit-based electrical design for large-scale US healthcare facilities, we bridge the gap between architectural vision and technical constructability. We specialize in LOD 400 parametric modeling, Navisworks-based coordination, and prefabrication (DfMA) support, ensuring that every digital asset is precise, clash-free, and ready for the construction site.

Revit AutoCAD Navisworks Dynamo Bluebeam BIM Coordination Electrical Design LOD400 Families
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About Us

Expertise Driven by
Innovation & Precisio

Founded by Charlotte Liu, our firm bridges the gap between complex engineering and high-end design. With a foundation spanning Interior Design and Engineering, we provide specialized BIM & Design Engineering services tailored for global infrastructure and healthcare sectors.

Our leadership brings a proven track record in high-stakes environments, from coordinating HVAC systems for the Hong Kong Airport Third Runway Concourse (TRC) to delivering remote electrical design for large-scale hospital construction projects in the United States.

We specialize in high-fidelity BIM solutions, including:

LOD 400 Parametric Modeling: Precision-engineered Revit families.

Prefabrication Support: Detailed documentation to streamline onsite assembly.

International Coordination: Seamless remote collaboration on complex MEP systems.

4+
Years BIM Experience
15+
Years Career
2
Major Infra Projects
16+
Skills & Tools
Charlotte Liu
4+ Years in BIM
What We Do

Services

We offer specialist BIM, design engineering, and visual merchandising services for construction firms, design consultancies, contractors, and retail brands. Remote and on-site engagements welcome.

01

BIM Modelling & Coordination

Full-lifecycle Revit-based 3D modelling for MEP, HVAC, and electrical systems — from design intent through to construction documentation. Coordinating multidisciplinary models to ensure design integrity.

RevitMEPLOD 200–400Multi-discipline
02

Revit Family Creation

Custom parametric Revit family development up to LOD400, built from material selections and manufacturer specifications. Fully analysable families for MEP components, fixtures, and equipment.

LOD400ParametricMEP FamiliesDynamo
03

Electrical Design (Revit-based)

Revit-based electrical design including lighting layouts, power distribution, and fixture coordination. Supporting prefabrication workflows with detailed shop drawings and installation documentation.

ElectricalRevit MEPPrefabricationShop Drawings
04

Clash Detection & Model Auditing

Navisworks-based clash detection and model coordination reviews to minimise on-site conflicts. Systematic BIM model auditing to validate quality, consistency, and LOD compliance.

NavisworksClash DetectionModel AuditBCF Reports
05

Construction Documentation

Generation of detailed drawings, schedules, plant room layouts, and full documentation packages extracted from BIM models — supporting contractors, subcontractors, and fabrication teams.

AutoCADBluebeamPlant Room DetailsSchedules
06

Visual Merchandising Consulting

Drawing on 6+ years managing VM for major international retail brands across 15+ stores in Hong Kong — store layout planning, display strategies, new store opening execution, and VM team training.

Store LayoutVM StrategyBrand GuidelinesTeam Training
Project Legacy

Core Expertise &
Project Legacy

Triple-monitor BIM workstation running Autodesk Revit — showing architectural floor plan, 3D MEP structural model, and detailed section drawings

Our reputation is built on a track record of excellence in high-stakes environments:

3D Revit coordination view of HVAC and MEP systems — representing HK Airport TRC project work

Aviation & Mega-Infrastructure (HK Airport TRC)

We possess deep expertise in coordinating complex HVAC systems for large-scale public works, including the Hong Kong Airport Third Runway Concourse (TRC). Our work spans from Chiller Plant Room optimization to the production of high-precision detail drawings for massive mechanical volumes.

Colour-coded MEP pipe network in Revit — representing remote electrical and MEP design for US healthcare facilities

International Healthcare Facilities (US-Based Projects)

Specializing in remote design engineering for large-scale hospital construction in the United States. We deliver Revit-based electrical design and MEP coordination that adheres to strict international medical facility standards.

LOD 400 Revit detail showing W21x62 beam, W14x90 column, gusset plate, chilled water supply pipe, and duct transition with full annotation

High-Fidelity LOD 400 Modeling

We are specialists in creating analysable, parametric Revit Families up to LOD 400. These high-fidelity components are engineered to support Prefabrication (DfMA) workflows, ensuring that digital precision translates directly into physical assembly.

Navisworks clash detection dashboard showing 147 structural vs HVAC clashes highlighted in red across a wireframe building model

Strategic Design Coordination & Auditing

Utilizing Navisworks for comprehensive clash detection and design stage discrepancy reporting. We identify and resolve conflicts before they reach the site, ensuring seamless project lifecycles and stakeholder alignment.

Open to Work

Available For

We welcome enquiries from construction firms, design consultancies, MEP contractors, retail brands, and individuals. Remote and on-site engagements available — open to international projects.

Freelance BIM Modelling
Short or long-term BIM modelling contracts, remote or on-site
Revit Family Development
Custom LOD parametric family creation per project specs
Clash Detection
Navisworks coordination reports and model clash reviews
Construction Documentation
Drawings, schedules, and documentation packages from BIM
VM Consulting
Retail layout planning, VM strategy, and brand standards
Remote Global Projects
Available for international remote work across all time zones
Let's Work Together

Get in Touch

Reach out to us

Pick your preferred channel below — We typically respond within 1–2 business days. All links open the respective app or platform directly.

Email
charlottolrahc@gmail.com

Quick info

Based in Hong Kong SAR and fully set up for remote collaboration. Happy to connect across any time zone for BIM, engineering.

Location
Hong Kong SAR
Remote available worldwide
Availability
Mon – Fri, 9 am – 6 pm HKT
Flexible for international clients
Remote Work
Currently delivering US hospital project remotely. Open to AU, UK, EU, and global engagements.
Preferred Platforms
Revit · Navisworks · AutoCAD
Bluebeam · Dynamo · SketchUp