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Integrated MEP Engineering

INTEGRATED MEPFOR HIGH-PERFORMANCE BUILDINGS

Integrated mechanical, electrical and public health engineering, BIM coordination and building performance consultancy for complex buildings.

  • Mechanical Engineering
  • Electrical Engineering
  • Public Health Engineering
  • Fire Protection
  • BIM Coordination
  • Building Performance
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Commercial skyscraper section cut revealing HVAC ducts, electrical risers and plumbing stacks

Slide 1 of 10: Commercial skyscraper section cut revealing HVAC ducts, electrical risers and plumbing stacks

120+Projects
35M+m²Designed Area
15+Years Experience
100%BIM-Based Workflow
LOD 400Delivery Standard
Services

Integrated MEP Engineering Solutions

Mechanical, electrical and digital delivery disciplines through one accountable engineering team — from feasibility to commissioning.

BIM Excellence

From Design to Operation

Digital delivery across the full building lifecycle — federated models, clash-free coordination and structured handover data.

  • Autodesk Revit
  • Navisworks
  • Autodesk Construction Cloud
  • Clash Detection
  • LOD 300 / 350 / 400
  • COBie / IFC
  • Digital Twin
Software

Core tools across MEP, BIM, coordination, energy modelling and project delivery workflows

Autodesk
AutoCAD
Revit
Navisworks
Autodesk Construction Cloud
BIM Collaborate Pro
Carrier HAP
SOLIDWORKS
SolidWorks Flow Simulation
ETAP
DIALux evo
Relux
EPLAN
MagiCAD
Trimble Connect
Solibri
Bluebeam
Primavera P6
Microsoft Project
Microsoft Excel
IFC / COBie
IES VE
DesignBuilder
EnergyPlus
OpenStudio
CFD / Energy Modelling
Autodesk
AutoCAD
Revit
Navisworks
Autodesk Construction Cloud
BIM Collaborate Pro
Carrier HAP
SOLIDWORKS
SolidWorks Flow Simulation
ETAP
DIALux evo
Relux
EPLAN
MagiCAD
Trimble Connect
Solibri
Bluebeam
Primavera P6
Microsoft Project
Microsoft Excel
IFC / COBie
IES VE
DesignBuilder
EnergyPlus
OpenStudio
CFD / Energy Modelling
Integrated BIM and MEP coordination model
Navisworks clash analysis, schedule and model integration visual

Navisworks clash + schedule integration

Methodology

Engineering Process

Ten disciplined stages from brief through operation — calculation-led, BIM-coordinated and documented at every gate.

  1. 01

    Brief

    Project scope, design criteria and client expectations are defined. Codes, standards, performance targets and delivery requirements are agreed as controlled design inputs.

    What happens in this stage?

    • Confirm project brief, spatial programme and MEP scope boundaries
    • Record design criteria, regulatory framework and client performance targets
    • Identify constraints, interfaces and information requirements for downstream stages
    • Align delivery milestones, LOD expectations and coordination responsibilities

    Key deliverables

    Project brief, design criteria register and agreed design inputs

    Discipline focus: Multidisciplinary scope alignment across mechanical, electrical, plumbing and fire disciplines

  2. 02

    Feasibility

    System alternatives and initial technical suitability are evaluated. Area, energy, capacity and operational impacts are compared to support an informed early decision.

    What happens in this stage?

    • Develop and compare viable MEP system options and plant strategies
    • Assess spatial, structural and operational impacts of each alternative
    • Review early energy, capacity and lifecycle considerations
    • Identify major risks, value-engineering opportunities and decision gates

    Key deliverables

    Feasibility assessment and preliminary technical suitability decision

    Discipline focus: Early coordination with architecture and structure for shaft, plant and routing feasibility

  3. 03

    Calculations

    Foundational engineering calculations are completed — heating and cooling loads, ventilation, electrical demand, hydraulics and related sizing inputs that drive equipment selection.

    What happens in this stage?

    • Prepare heating, cooling and ventilation load calculations
    • Size primary distribution, plant duty and electrical demand bases
    • Run hydraulic, psychrometric or simulation studies where required
    • Document calculation assumptions, inputs and verification checkpoints

    Key deliverables

    Calculation basis, sizing data and verified capacity inputs

    Discipline focus: Calculation-led sizing across HVAC, electrical and public health systems

  4. 04

    Concept Design

    System selection, spatial strategy and the overall engineering approach are developed. Risers, plant rooms, main distribution routes and service zoning are defined at concept level.

    What happens in this stage?

    • Confirm system selection aligned to brief, loads and feasibility outcomes
    • Define plant room, riser, distribution and routing strategies
    • Prepare concept schematics and primary engineering layouts
    • Coordinate spatial requirements with architecture and structure

    Key deliverables

    Concept system schematics and engineering design approach

    Discipline focus: Integrated MEP concept with clear discipline interfaces and spatial reservations

  5. 05

    BIM Modelling

    Discipline models are developed to agreed LOD with structured Revit production setup, model organisation and data requirements ready for federation.

    What happens in this stage?

    • Establish Revit templates, naming, parameters and model structure
    • Develop LOD-defined mechanical, electrical and plumbing production models
    • Apply BEP-aligned information requirements and model QA checks
    • Prepare federated model packages for coordination workflows

    Key deliverables

    Federation-ready BIM model infrastructure and discipline models

    Discipline focus: BIM-native delivery with defined LOD gates and ISO 19650-aligned information management

  6. 06

    Coordination

    Interdisciplinary clashes are detected and resolved through structured coordination sessions. Navisworks or equivalent workflows maintain a coordinated, constructible model.

    What happens in this stage?

    • Run federated clash detection and prioritise critical conflicts
    • Resolve routing, clearance and access issues with traceable records
    • Issue coordination updates and maintain model revision control
    • Verify coordinated layouts against design intent and standards

    Key deliverables

    Clash resolution logs and coordinated federated model

    Discipline focus: MEP coordination with architecture, structure and specialist packages

  7. 07

    Tender

    Technical specifications, quantities, BOQ and tender documentation are prepared to support a controlled contractor procurement process.

    What happens in this stage?

    • Prepare technical specifications and tender drawing packages
    • Develop BOQ, schedules and scope matrices aligned to the coordinated design
    • Define contractor information requirements and evaluation criteria
    • Issue a controlled tender document set with revision tracking

    Key deliverables

    Tender documentation package and controlled issue register

    Discipline focus: Commercial-ready technical outputs aligned to coordinated BIM and calculation basis

  8. 08

    Construction

    During construction, engineering support covers shop drawing review, site queries and compliance checks to maintain alignment between design intent and installation.

    What happens in this stage?

    • Review shop drawings, submittals and contractor technical queries
    • Support site coordination and resolve installation conflicts
    • Verify that installed works align with approved design and standards
    • Maintain technical correspondence and change control records

    Key deliverables

    Site technical support, review records and approval workflow

    Discipline focus: Design-to-site continuity with documented technical decisions

  9. 09

    Commissioning

    Testing, adjusting, balancing and functional performance verification confirm that systems operate in line with design intent before handover.

    What happens in this stage?

    • Witness and review pre-commissioning and commissioning activities
    • Verify TAB, functional testing and system performance outcomes
    • Confirm compliance with specification and design performance criteria
    • Support snag resolution and preparation for operational handover

    Key deliverables

    Commissioning records and performance verification documentation

    Discipline focus: Integrated systems validation across mechanical, electrical and life-safety packages

  10. 10

    Operation

    After handover, operational support includes documentation transfer, performance monitoring guidance and continuity support for building operators.

    What happens in this stage?

    • Deliver O&M information, as-built records and system operating guidance
    • Support seasonal commissioning and early operational tuning where required
    • Advise on performance monitoring and energy review processes
    • Provide technical continuity during the initial operation period

    Key deliverables

    Operational handover package and monitoring support framework

    Discipline focus: Lifecycle continuity from commissioning through measured performance review

Explore our engineering approach
Coordination quality

Dense MEP coordination at constructability level

Mechanical, electrical, plumbing, fire and containment systems coordinated in layered, colour-coded federated models ready for issue and site review.

  • Layered MEP federation with clearance discipline
  • Constructability-focused routing and supports
  • Issue-ready coordination views for site teams
Explore BIM and Revit
Close-up view of a dense MEP coordination model
Portfolio

Selected Projects

Commissions across healthcare, aviation, data centres and education — selected for engineering complexity.

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View all projects
Why SEINZEN

Engineering-Driven Delivery

Six principles that define how we design, coordinate and deliver integrated MEP engineering for complex buildings.

  • Engineering-Driven

    Calculation-led design — not catalogue selection or precedent copying.

  • BIM Native

    Model-first workflow with defined LOD gates from concept to handover.

  • Performance Focused

    Energy, thermal and operational targets validated before design freeze.

  • Sustainability

    Low-carbon system selection aligned to measured loads and lifecycle cost.

  • International Standards

    ASHRAE, EN, NFPA and ISO frameworks across 18 countries.

  • Experience & Expertise

    15+ years across healthcare, aviation, data centres and laboratories.

Tools & Technology
  • Autodesk Revit
  • Navisworks
  • Autodesk Construction Cloud
  • Solibri
  • HAP
  • Elite
  • PipeNET
  • Bluebeam
  • Microsoft Project
  • Power BI
Engineering team reviewing coordinated building systems

Let's Build Better-Performing Buildings Together

  • Expert Engineering Team
  • Integrated Solutions
  • On-Time Delivery
  • High Performance
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