Download - MEP BIM design

MEP design

Process

MEP Design, Tero Järvinen

Granlund OyConsultancy

• MEP Design• Facilities Management• Energy and Sustainability

Software• Manager– Facilities Management• Designer – MEP Design• RIUSKA – Energy Analysis• BSPro – IFC middleware

Numbers• ~515 person, 43 MEUR (2013)

• T&K 3,5 MEUR / 41 personyears



TRIPLATotal floor area: 350,000 brm2

Estimated Completion: 2018-2021Cost estimation: 1.000 M€-Shopping centre-Housing-Headquarters-level offices-Business Park-Hotel and City Suites-Multi-purpose arena-Public tranport terminalJobs for 15.000 peopleA life cycle coordinator will be responsible for the realization of the ecological criteria in all of the project phases.

MEP DesignEnergy / Enviroment Consultancy / City District analysis

New projects

Integrated Enviroment

Requirement Management–

Comfort simulation–

Energy simulation –

Cost analysis–

Life cycle–

CFD –

Maintenance -

Roomex

Riuska

Riuska

Lifest

BSLCA

Ansys

Manager

Equipment data–

MEP modeling–

Model Auditing–

Combied models–

Lighting Simulations-

Designer

MagiCAD

Solibri

Navisworks

3ds Max


Technical Analysis

Management Consultancy

Special Calculations

Carbon Footprint

Datacenters

Enviroment

CMMS Software

Due Diligence

Energy Efficiency

Facility Management

Management and Supervision

Design



Contract

Philosophy Process

AllianceIPD

Partnering

BIMLeanConstruction

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Cornerstones of construction project


Origin: DPR Construction inc.

Need for modeling?

• There has to be need for models from client

• If you order a ”BIM”, it just confuse the designers.

Different companies has different opinions what modeling is

• Common language is missing without ”BIM execution plan”


Modeling = Designing• BIM modeling is not just for geeks or CAD-

personell

• BIM modelling is a different way to make design

BIM is something else than producingpaper drawings

• Buildings will rise also without BIM

• If you need only paper drawings, you should’t use BIM

• BIM is tool for designers, contractors and building owners


Modeling requires:• Professionality from every participants

• Common vision, where to aim in project

• Wider collaboration comparing to ”normal” project

• Understanding what other participants are doing

• Mental Change


Process


”Normal” project for designers:Design – Bid –Build –contract

1. Design tender from building owner (made by external project management consultant)

2. Design Offer -> Quality 40%, Cost 60% (or something else)

3. Light Preliminary Design (Diagrams, Serviceareas, 2D-main routes, no products selected, work specification)No coordination

4. Detail Design (Equipment database, diagrams, MagiCAD modelling)No coordination

5. Construction (nothing to do with BIM)

6. Facility Management (nothing to do with BIM)


”Sophisticated” project for designers:”Design–Bid–Build” or ”Somekind of partering” -contract

1. Design tender from building owner (made by external project management consultant)

2. Design Offer -> Quality ~70%, Cost 30%

3. Preliminary Design (Diagrams, Serviceareas, 3D-main routes, Equipment database, work specification, other documents)Coordinated process, no products selected

4. Detail Design (MagiCAD modelling)Heavily Coordinated process

5. Construction (Combied model in use)

6. Facility Management (not so much to do with BIM)


Granlund participation to COBIM

Download at: http://www.buildingsmart.fi


MEP BIM design

• Creating requirementsRequirements

• Alternative solutionsSchematic

• Modelling chosen alternativeDesign

• Building according the ModelsConstruction

• Utilization of ModelsCommissioning

• BIM in FMMaintenance

Target consumption

Indoor air quality

Spatial Provisions

Energy Efficiency

Network Modelling

Network calculations

Combied Models

Information content

Device Validation

Information content

Service Area Charts

Device Database


Phases of MEP design• Two major phases:

1. Schematic design- Gathering requirements from customer

- Simulations and visual information fordecississions makers

2. Detail Design- Modelling of building accordingthe decissions made in Schematicdesign phase


• Requirements -> Targets (Excel / BIM)

• Service area charts (CAD / BIM)

• Technical spaces (discussion with architect)

• 2D-section drawings (CAD)

• 3D-mock-up rooms / -spaces (CAD + combied models)

• Main network routes (CAD + combied models)


• TasksSchematic design

Requirements management

Requirements

Schematic

Design

Construction

Commissioning

Maintenance

1. Targets for spacetypes

2. Building Model

3. Linking requirements to spaces

5. Energy and Comfort simulation

4. Service Area Zones

6. Comparisation of alternative solutions

7. Chosen calculation to basis of CAD-system calculations

SQL

IFC


Spacetypes and Requirements

SQL


For starting of MEP design, requirements for Indoor Quality are needed

• With colloboration of customer, maximum temperatures etc. has to be decided

• With these requirements MEP designer makes comfort and energy simulations for fullfilling the requirements. End result is a target value for each space, which MEP designer has to fulfill. (for example:Requirement: max. 26oC -> simulation -> target value 1.2kW cooling

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Service area charts


Spaces with requirements are linked to service area charts (for example Air handling unit service areas)

• Linking is made using ifcSpaces (IfcZones are created with external software to IFC file

• Visualization: Solibri… or some other software (?) which understand IfcZones.

IFCSQL

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Energy and Comfort simulations


Dynamic simulation of energy and comfort is made according to the requirements, building model and service area charts.

• Every space is simulated

• Alternative simulations and comparisations for different envelopes, windows etc. -> beginning of LCC calculations

IFCSQL

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

•2D-section drawings (CAD)

•Network modeling (CAD + combied models)

•Auditing (combied models)

•Visualizations (combied models)


• TasksDetail Design

BIM in Design Development -phase

Requirements

Schematic

Design

Construction

Commissioning

Maintenance

Alterantive solutions

Diagrams and equipment databases

Spatial provisions and service area zones

Energy- and comfort simulatations

Life Cycle

CFD-simulations 3D-mockups

Technical Visualizations

Lighting Simulations

SQLIFC

Design Development –phase specifys the investment costs, energy consumption and indoor air quality levels


Sustainability

BIM in Detail Design -phase

Requirements

Schematic

Design

Construction

Commissioning

Maintenance

Combied Models Model AuditingModelling of MEP-networks

BIM basedProvision of Voids

Equipment database

Route Designing

SQL

IFC Common BIM Requirements

Information export from models

Detail Design is made according to the Design Develompment


BIM in Construction -phase

Requirements

Schematic

Design

Construction

Commissioning

Maintenance

Installations are mabe according the Detailed Design Model

Combied Models Information export from models

IFC

SQLRevisionhandling of

Models, Documents and Equipment data

Model based assembly inspection

Equipment Validation

Tero Järvinen / BIM models

BIM in Commissioning

Requirements

Schematic

Design

Construction

Commissioning

Maintenance

Information export from models

Information of BIM is used in Commissioning

As-Bildt Model

Target values of energy consumption for

Facility ManagementSQL

IFC

Assembly Inspections

Tero Järvinen / BIM models

BIM in Facility Management

Requirements

Schematic

Design

Construction

Commissioning

Maintenance

Use of Models inFacility Management

Monitoring Energy Efficiency

BIM Management Process during building life cycle


BIM is helping Facility Management

Service area zones Equipment database

MEP design, phasesProper Schematic design Checking of

2D-section drawingsModelling Auditing Calculations (balancing

of networks pressure etc.)

Combied models to construction yard


MEP modeling


• Easiest thing in MEP modeling is the normal use of MagiCAD in network modeling

• Hardest thing in MEP modeling is the iterative process, revision management

• MEP designer is last disicpline in process. Changes in Architect or Structural models affects to MEP models

• There are quite a lot tasks in MEP design, which is not seen in other disicplines(simulation, diagrams, system design, equipment databases… etc.)

• Designing is made first, modeling after that


How to make proper Models

Modellers should have proper technical equipmens.

Modelling starts after schematic design

Continuous learning, stimulating enviroment

Passion. Be proud of your models

Courage to have challanges, need to take steps forward without knowing what will happen

Understanding your on place in big picture, other participants are also doing same building – collaborative approach

Utilizing 2D and 3D models with AutoCAD -based softwares


In MagiCAD system, architect 2D drawing is in use - same drawing what is in use when plotting MEP design to paper.

Combied models are in use with Navisworks.Two screens, Magicad in other, and Naviswork in other.

From Magicad (Autocad), seperate navis-cachefile is saved to be viewed in combied model (nwc -> nwf)

For efficient design, two screens is mandotory

When making models according to COBIM 2012 requirements, just using MagiCAD is not enough. AutoCAD is not for collaborative 3D design, it is lacking useful 3D features, speed and teamwork capabilities.


Combied Models

Combied models 1/2


With using coordinated approach in combied models you can be sure your networks are in correct places

• Combied models is mandotory when modeling networks in Detail Design phase.

• With combied model, other disicplines have better understanding of networks (for example need of space etc.

Software:NavisworksTekla BIMSightSolibri

IFC

Arch, Struct, MEP-IFC files

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Combied models 2/2


• With combied model you can see all installation details you need for making networks installation possible according the design.

• When installations are made according the design, you have first step for network model usage in Facility Management

• Good Practice: before assembly in certain areas is started, you should present combied model of that area to MEP contractors. This is where you can make planning of assembly schedules and contractors can see the amount of networks belonging to other contractors.

Software:NavisworksTekla BIMSightSolibri

IFC

Requirements

Concept

Detail

Construction

Commissioning

Maintenance


MEP BIM usage in Site

Mainly usage of combied models – in very rare cases usage of MagiCAD models

Contractor is not interested about calculations (pressure, flows etc.)First question from contractor: “What is the installation height of pipe/duct/cabletray?”

In general, attitude to usage of combied models is positive


BIM in construction site

Contractors really look after models and do installations according to model...


MEP model in site

BIM models are in use in site office, and 3D-views are printed to paper for use inside building


MEP model in site

Insulation installation of highest pipes are impossible -> pipes were lowered to gain more installation space

(Slide: Jyrki Maalahti / SRV Oy)


MEP model in site

Year 2008MEP model made without structural modelNo information of beamheights inside the combied model. Only architectural model was in use when making MEP design

Year 2009With structural model MEP design change can be done

Technical Facility Management



BIM Management Process during building life cycle

Back to Maintenance

Equipments


FM system

SQL

For Facility Management point of view, network models are not really important

Allmost all information for technical FM is inside device database (and diagrams)

IFC model do not have enough information for the need of FM

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Building Performance


BAS system

SQL

Connected to BAS system and offering ”one value of building Performance”• Offering interface for Facility management persons, who are not capable to use BAS system• Offering interface for Building Management to analyze building performance daily basis

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Building Performance


BAS system

SQL

• Information pops up on a large lobby screen or on your computer screen alongside newsletters providing information on your building's energy consumption, energy class and maintenance performance.

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Granlund software


Design Maintenance



Information storageBIM2FM, 3D-view

Bim software

Equipment Database

BIM2FM: Intelligent 2D IFC-spaceview

Above information also linked

To IFC-spaces

Daily updated Information

is not in Graphical BIM software

but in shared databases


Browser based MEP PLM software

MEP PLM -System

Schematic design Detailed Design Construction FM

Spaces / Design

Equipment NetworkModeling

Equipment approval

Requ

irem

ents

BIM in FM

Supervision

Diagrams

Service areas

Simulations

SQL

IFC

Performance Metrix

Network BalancingAsBuilt info

PLM = Product Lifecycle ManagementFLM = Facility Lifecycle Management

FLM

BAS info

Energy


Energy analysis in different phases

Requirements management in phase of Design Brief


IFC

Requirements

Concept

Detail

Construction

Commissioning

Maintenance

Software:- Cost estimation- energysimulation- IFC-space objects

Using spatial model (from bim)• Normally, architectal model do not have windows in early phases

• Windows and walls can be created in energysimulation softaware to have multiple variations for example different procents (%) on windows in envelope (or window types, shadings etc.


Decisions need different metrics…By team working and usingof BIM and efficient simulationit was possible to analyze15..20 design solutions(renovation and new building) during 2 days workshop (School/daycare building in Syväniemi, Kuopio, Finland)

E-value

Carbon footprint

Energy costs

Indoor conditions

PRE Model NovaMEP Design, Tero Järvinen

… and result evaluation even moreF. Flager, J. Basbagill, M. Lepech & M. Fischer. Multi-objective building envelope optimization for life-cycle cost and global warming potential. eWork and eBusiness in Architecture, Engineering and Construction. 2012 London, ISBN 978-0-415-62128-1.

21,360 different design configurations


ParametricEnergySimulation

Demo


Meilahden potilastorni, 1.kerros


Thanks, questions?