BuildZero.Org

PublicDigital Infrastructure for Climate Action

CityGML Energy ADEV1.0 Workshop

Delft, NetherlandsDec 6/7 2018

Global Covenant of Mayors Map

EU – 7,700US – 175

BuildZero can support:

• Citizen Engagement

• Energy Education

• Building Energy

Benchmarking &

Disclosure (Buildings>

2,000 M2)

• Building Energy Design –

New

• Building Energy Design –

Retrofit

• Electrification

• …More

1M Population

BuildZero.Org

Engagement

Disclosure

PlanningDesign

Logistics

CityGML 3D Urban Data Model (USA: 125M Buildings)

www.YourCommunity.buildzero.org

BuildZero.Org

Built Environment Data Domain – Micro to Macro Spatial Scale

BuildZero.Org

BIM GIS

BUILDINGCOMPONENTS CAMPUS COMMUNITY CITY

CityGML URBAN DATA MODELBIM (IFC)

PROPRIETARY ISO/OGC OPEN STANDARDExchange

APPENDIX 4

BuildZero Software Apps Infrastructure

CityGML 3D Urban Data Model (USA: 125M Buildings)

Cloud Services Infrastructure

BuildZero Application Services

Engagement Disclosure Planning Design Logistics

MobileServices

BuildZero Infrastructure: Climate Action Apps

BuildZero.Org

-Citizen Outreach-Education-Program Comm-POI Learning

-Utility Data-Energy Audit/Label-Monitor Data-Compliance/Public.

-Urban Analytics-EE Measures-Solar PV-Residential/Comm

-ZE Design - New-Energy Retrofit-Renew. Energy-AI Optimization

-Programs-Submittals-Transactions-Admin/Privacy

APIServices

12/1/2018 Copyright 2018 BuildZero.Org

BuildZero Platform: Modular Architecture & Open StandardsData

Standards Component LOD Modeling Variables Visual Elements Features

OGC GIS Macro Scale Geospatial Attributes Historical climate data (ASHRAE, other) Geographic terrain, imagery, maps Simplified modeling: boundary surfaces (LOD2) derived from LOD1, quick inputs

CityGML Urban Models;Building Geometry & Topology

LOD1 Footprint, Height, Volume simple 3D building volumes

LOD2 Roof planes, geometric details, trees detailed building geometry, textures, trees

Drag/Drop Envelope Components & Assemblies

LOD3 Windows, doors, shading building openings & details, shading

CityGML EnergyADE Building Energy Attributes All

Whole bldg ratings, thermal boundaries, assemblies specs, win/door specs, systems, boundary surface solar irradiance, other

solar energy heat maps for building surfaces,

ISO 52000; ASHRAE, NREL Glazing & Shading Modeling LOD3 Solar heat gains, opt bldg

form/orientation, opt shading objectsVisualizations of solar angles, incidence, and shading measures

ISO, DOE, CEC, Others

Thermal Model Solver Engines:

Various

All of the above

Modeling analytical graphics and visualizations

Integrated Reduced Order (Monthly) Models

-ISO 13790-Monthly (current)Integrated model variables & analytics -ISO 52016-Monthly

Real Time Parametric Analysis/Optimization -ISO 52016-Hourly

-DOE Energy PlusInput file translators -California Simulation Engine

Model comparisons -Other

ISO 52000; NREL SAM Solar PV Production Modeling All Energy production potential (kWh) PV production potential for building

surfaces Quick PV planning tools

ASHRAE, DOE, Natl Labs, IECC, other

Reference Libraries & Templates All Envelope components assemblies, win/door types, reference data sets Assemblies & other component

visualizations TemplatesReference codes, standards, best practices All Reference values, best practice values

Reference values Cost Analysis All Cost dataGraphical Analytics

Integrated Energy/Carbon/Cost AnalyticsEPA Ref Values Carbon Analysis All Carbon data

CityGML Models in US

BuildZero Near Term Goals• Open City Model: Nationwide LOD1 model

(125M buildings) Jan 2019

• Tools for California; State and Cities

Challenges• Poor awareness

• Lack of source data!

• Footprints do not exist uniformly; Land parcel data only

• 3d point cloud (LIDAR/Photogrammetry)

• LOD1: Lack of building elevation data. Machine learning process against OSM footprints to derive elevations

BuildZero.Org

• Engagement, Energy Disclosure, Building Energy Design

Prototype App Demos

BuildZero.Org

City Energy Explorer• Cesium JS Framework• Cesium b3dm tiles from CityGML• API links• No persistent CityGML data

storage …yet

Building Energy Designer• React/Redux JS Framework• ISO13790 Monthly Model in JS• NREL SAM PV Engine in JS• AWS ”Serverless”:

o Virtualized data storage w/Dynamo DBo Virtualized program functions (Lambda)o Persistent storage of CityGML

…b3dm tiles only now

BuildZero – Development 2019Year End?SF Bay Area (4M) LOD2

BuildZero.Org

JanuaryUSA (125M) LOD1 (Open City Model)

CityGML & Energy ADE Working Group -Possible Development Tasks?

● We want to partner with you!● We hope to bring funding for projects

BuildZero.Org

● Convert ISO 13790 model to ISO 52016 – monthly method● Add hourly version of ISO 52016● EnergyADE to Energy Plus translator - JavaScript● Validate NREL SAM PV JavaScript implementation● more

Tasks

BuildZero Infrastructure – Collaboration EcosystemClimate ActionFoundations

-DOE-CEC-NASEO

APPENDIX 1

-Engage & Disclose-Plan & Design

-Logistics

130M+ BuildingsUrban Model

Academia

R&D Labs &Institutes

State-Natl-IntlGovtCodes/Stds

Assoc

NGOs & Consultants

Utilities

Sponsors &Private Sector

OtherArch/Engr/Build

Building Owners

Local Govt

…

Capital Research,Tech Content

Research, Data,Tech Dev

Policy, Codes, Regulations

Program

Funding

-LBNL-NREL

-GIT-CMU-PSU-Stanford

-ISO-ASHRAE-AIA

Student Engagement

Data, Apps

-USGBC-WGBC-ICC

-NBI-IMT-BIG-NZEC

Codes/Stds, Best Practices

Guidance, Support

Revenue

-PGE-SCE

Data

App Transactions

-AIT-EIFER-TUD-E.ON-E3D-TUM