© 2025 Autodesk. All rights reserved.

Design & Make the Future of Rail

Rail Summit 2025

Future CDE Strategy in Railway Projects BIM Use from Design to Maintenance

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Mr. Kosuke YAMAMOTO, Assistant Manager

Ms. Mutsumi YONEYAMA, Chief Staff

Mr. Tamaki NAKAGAWA, Deputy Manager

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Agenda

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01

02

03

04

Introduction JRE-BIM Cycle

Cases of using JRE-BIM

Next CDE for JRE-BIM

Summary of this presentation

Sharing JR EAST’s challenge toward data-driven railway construction

projects:

● Overview of CDE at JR EAST and future development plans:

-50% Unnecessary Work Time

-80% Consistency Check Time

● Pilot projects using BIM and point clouds + current CDE issues

Speakers

5

Ms. Mutsumi,

YONEYAMA

Chief Staff

Tokyo Construction Project

Management Office

Business Transformation and

New Business

“BIM/CDE Implementation Lead.”

Mr. Kosuke,

YAMAMOTO

Assistant Manager

Construction Dept. HQ

Technology Strategy and DX

“System coordinator”

Mr. Tamaki,

NAKAGAWA

Deputy Manager

Tokyo Construction Project

Management Office

Stationfront Town Development

Division

“BIM/CDE Implementation Lead.”

＠Tokyo Sta. (Marunouchi Station Building)

6

JAPAN & JR East （East Japan Railway Company）

45,000 1,600 7,300km

Employees Stations Railway lines

China

N.Korea

S.Korea

Russian

JAPAN

. TOKYO

1,300 600

Onsen(Hot Springs) Sake brewery

Population Trends in Japan

7

0

20

40

60

80

100

120

140

2020 2030 2040 2050 2060

P o p

u la

ti o n

(m ill

io n )

Year

Age 0–14 Age 15–64 Age 65+

126

97

Population Decline

70

50

37

37

(56%)

(51%)

(38%)

(29%)

Estimated by World Population Prospects 2022

8

Boundary between Civil Engineering and Architecture

Boundary between Civil Engineering and Architecture

Architecture

Civil Engineering Platform

Station building Station mall

Elevated artificial groundRail track

Electronic

Architecture

Civil Engineering

Canopy

9

Civil Engineering

Elevated railway Rail track Railway bridge

Railway tunnel Platform

Title only

10

･駅舎・駅ビル・自由通路などの設計・改良・新設 ･都市開発・まちづくりプロジェクト ･商業施設・ホテル・オフィスなどの建築設計 ･グラフィック・プロダクトデザイン、BIM・3D設計

･線路・橋りょう・トンネルなどの鉄道インフラの維持管理・改良 ･自然災害対策工事や設備更新 ･高架橋・地下構造・ホーム・バリアフリー設備などの設計 ･連続立体交差事業（高架化）

Architecture

Station

Hotel,Office

ShopUrban development

Waiting room

Another building

Bench

Two Section of Facility Management of JR-EAST

11

Planning Design Construction Maintenance

Construction Department

Facilities Department

Contract Delivery Methods in Japan

12

コンサルゼネコン

General

contractor

Sub

contractor

Sub

contractor

Architecture Civil Engineering

Electrical Systems

General

contractor

Sub

contractor

Sub

contractor Sub

contractor

Sub

contractor

Problems with data sharing！！

General

contractor

Agenda

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01

02

03

04

Introduction

JRE-BIM Cycle

Cases of using JRE-BIM

Next CDE for JRE-BIM

Over 10 Years ago – before JRE-BIM

14

Review of Design Inspection of Construction Completion

10 years-ago, we launched “JRE-BIM” to implement DATA-DRIVEN

railway construction projects

【Goals】

Build a CDE platform

Utilize BIM and Point Cloud data

Use Common Data from Construction through

Maintenance

JRE-BIM - Policy -

15

What is JRE-BIM / JRE-BIM cycle

16

Point cloud

data

JRE

Cloud

Risk resolution of

inconsistencies

between drawings

and design

calculations

Desig

n

Reduction of forms and

Automation of Determination Work

Planning

Design

OrderingConstruction

Maintenance Consultants

BIM Model PointCloud

⇒ Easier & Faster Planning

JRE-BIM cycle

17

Risk resolution of

inconsistencies

between drawings

and design

calculations

Desig

n

Semi-automated

calculation of quantities and construction costs

Reduction of forms and

Automation of Determination Work

Centralized

data from construction to maintenance

phase.

Plan

OrderingConstruction

Maintenance Design

Consultants

BIM Model PointCloud

⇒ Reduce mismatches

Between drawings & calculations

⇒ Speed up

JRE-BIM cycle

18

Facilities

Point cloud

data

JRE

Cloud

Risk resolution of

inconsistencies

between drawings

and design

calculations

Desig

n

Semi-automated

calculation of quantities and construction costs

Reduction of forms and

Automation of Determination Work

Centralized

data from construction to maintenance

phase.

Plan

OrderingConstruction

Maintenance Design

Contractors

BIM Model PointCloud

⇒ Faster and Easier

Calculation of costs

JRE-BIM cycle

19

JRE

Cloud

Risk resolution of

inconsistencies

between drawings

and design

calculations

Desig

n

Semi-automated

calculation of quantities and construction costs

Reduction of forms and

Automation of Determination Work

Centralized

data from construction to maintenance

phase.

Plan

Ordering

Maintenance Design

Construction

BIM Model PointCloud

⇒ Reduce paperwork &

Automate Quality Checks

Contractors

JRE-BIM cycle

20

Risk resolution of

inconsistencies

between drawings

and design

calculations

Desig

n

Semi-automated

calculation of quantities and construction costs

Reduction of forms and

Automation of Determination Work

Centralized

data from construction to maintenance

phase.

Plan

Ordering

Design

Construction

Maintenance

BIM Model PointCloud

⇒ Maintenance & Disaster

Recovery by same BIM data

Contractors

BIM Cloud to JRE Cloud (STEP 1)

CDE for JRE-BIM (2016-2024)

21

Cloud & Workflow system based on in-house

◼Share the Final Data

Private Cloud + Workflow

◼No hardware maintenance.

◼Flexible Hardware

Configuration

◼Data transfer to Asset Management System

2024.8 -

JRE CloudBIM Cloud

2016 - 2024.8

“Cloud for Paperless Work ” “Stable Operation and Scalability”

→Using on ALL our Projects

Consultants

Contractors

◼ Requires In-house Server Maintenance

◼Collaborative Workflow System

Consultants

Contractors

JRE Cloud Asset Management S.

Next

・How the CDE is used in pilot projects

・Efforts and issues with JRE-BIM

by Ms. YONEYAMA

Mr. NAKAGAWA

22

Agenda

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01

02

03

04

Introduction

JRE-BIM Cycle

Cases of using JRE-BIM

Next CDE for JRE-BIM

JRE Cloud Use Cases

24

2D図面

ConsultantsContractors

Workflow

Would like to…

Cases of using JRE-BIM

for Civil engineering

25

Construction planning

Point Cloud

Case 1 【Design】 Track planning with BIM design (point cloud + BIM)

BIM

Construction planning

Point Cloud

Case 1 【Design】

New line

Linear planning with BIM design (point cloud + BIM)

Design Ordering

Details of the bridge pier bearing inspection equipment

Boundary details between truss bridges

How to inspect in Bridge

Case 2 【Design】 Checking maintainability during BIM design

Design Maintenance

Overview of the Track Construction Planning Case 3 【construction】

営業線との離隔も正確に把握可能

Design Construction

Cases of using JRE-BIM

for Architecture

30

Examination of details for the exterior design

Cases of BIM Use in the Detailed design phase

before after

Cases of BIM Use in the Detailed design phase

Opening ratio 39％

Opening ratio 22％

Opening ratio 14％

Which design do you prefer?

Cases of BIM Use in the Detailed design phase

Check visibility

Design consideration

Basic and detailed using BIM

Cases of BIM Use in the Construction Phase before

Driver’s View Signal light

Utilizing BIM to verify signal visibility

New Canopy

Cases of BIM Use in the Construction Phase

before

14 pax × 1 day 4 pax × 2 hours

after

Cases of BIM Use in the Construction Phase

Driver’s View

XLSX

PDF

DOCX

BIM model

Equipment

Ledger etc

Specification

Product date

etc

Report

Contract etc

Situation photo Utilized by staff on-site

Cases of BIM Use in the Facility management

Equipment

Information

Incident

Information

Development of a BIM Viewer for Facility management

BIM model 2D drawing Properties

Intuitive UI

Model information viewing display

Cases of BIM Use in the Facility management

Non-exposed equipment

Route visualization

Color-coded asset classification

Ex. Water pipe（light blue） drain pipe（brown） fire pipe（red） ventilation pipe（black）

Ex. Architecture（red） Machine（yellow） Electricity（pink） Telecommunication(orange)

Data link Conditional search

Ex. Model number search

Ex. specification

Model information viewing display

Cases of BIM Use in the Facility management

Cases of BIM Use in the Facility management

3階

I’d like to know

the cause and how

to repair it.

Water leakage occurred from the ceiling in the third-floor corridor.

Cases of BIM Use in the Facility management

BIM modeling of existing buildings

We started BIM Viewer with hospitals as pilot models.

Also considering methods for creating BIM models of a large number of existing buildings

BIM modeling of existing buildings

Create BIM models BIM Model1,600 Stations

and lots of buildings

Issues in the Current Workflow with CDE

45

現行の課題：毎回ダウンロード・再アップロードを示す

JRE Cloud

PCs

Issues in the Current Workflow with CDE

46

コンサルゼネコン

General

contractor

Sub

contractor

Sub

contractor

Architecture Civil Engineering

Electrical Systems

General

contractor

Sub

contractor

Sub

contractor Sub

contractor

Sub

contractor

General

contractor

Issue = Data Sharing

Next

・Next CDE for JRE-BIM

by Mr. YAMAMOTO

47

Agenda

01

02

03

04

Introduction

JRE-BIM Cycle

Cases of using JRE-BIM

Next CDE for JRE-BIM

⚫ Reduction in Download / Upload loss-time

⚫ More Efficient DATA collaboration in CAD/BIM

⚫ Reduction in Search Time with RAG

Next CDE for JRE-BIM

JRE Cloud STEP2 Development (-2027)

Next CDE for JRE-BIM

50

Dual CDE Architecture with Role Segmentation

Copy Function

Dual CDE for Better Cloud Data Management

JRE Cloud Contract

Final Deliverables

Approval Documents and Workflow In-progress BIM and CAD

Cost down & Separate Risks

Workflow-related files

JRE Cloud & ACC: When to Use Each

Using the New CDE – Project Start (1/5)

51

Project : A Station Design (Civil)

JRE Cloud

Project : A Station Design (Civil)

Contract

One-to-One Linked (Automatic)

A B C A B C

JRE Cloud & ACC: When to Use Each

Using the New CDE – Design & Revisions(2/5)

52

Project : A Station Design (Civil)

JRE Cloud

Project : A Station Design (Civil)

Contract Approval

Form

JRE Cloud & ACC: When to Use Each

Using the New CDE – Consistency check (3/5)

53

Project : A Station Design (Architecture)

Project : A Station (ALL)

Project : A Station Design (Civil)

A B C D E F

A B C D E F

JRE Cloud & ACC: When to Use Each

Using the New CDE – Final Delivery (4/5)

54

Project : A Station Design (Civil)

JRE Cloud

Project : A Station Design (Civil)

Contract Approval

Form

Project : A Station (ALL)

JRE Cloud & ACC: When to Use Each

Using the New CDE – Next Step(Construction) (5/5)

55

Project : A Station Construction

(Civil)

JRE Cloud

Project : A Station Construction

(Civil)Contract

Project : A Station (ALL)

One-to-One Linked (Automatic)

Project : D Station Design (Civil)

JRE Cloud & ACC: When to Use Each

New CDE – RAG-based Search (Future Plan)

56

JRE Cloud

Project : A Station Design (Civil)

STEP2 Development (-2027)

2028-

Project : C Station Design (Civil)

Project : A Station Design (Civil)

Contract Approval

Form Other private strage

RAG Search

New CDE - Goal

57

JRE Cloud

Copy Function

-50% Unnecessary Work

-80% Consistency Check Time

Other private strage

RAG Search

1. JRE-BIM and Current CDE

- JR-EAST’s 10-year journey toward data-driven railway construction

2. Use Cases and Challenges of CDE

- Examples in the pilot projects

- JRE Cloud needs improvement

3. Future CDE under Development – JRE cloud STEP2

- New CDE with ACC to More efficient DATA collaboration in CAD/BIM

- Reduction in Search Time with RAG

Conclusion

58

We welcome open discussion for next journey !

© 2025 Autodesk. All rights reserved.

 Add date

here

Mr. Kosuke Yamamoto Ms. Mutsumi Yoneyama Mr. Tamaki Nakagawa

Thank you!​ kousuke-yamamoto@jreast.co.jp

yoneyama-m@jreast.co.jp

nakagawa-tamaki@jreast.co.jp

mailto:kousuke-yamamoto@jreast.co.jp mailto:kousuke-yamamoto@jreast.co.jp mailto:kousuke-yamamoto@jreast.co.jp mailto:yoneyama-m@jreast.co.jp mailto:yoneyama-m@jreast.co.jp mailto:yoneyama-m@jreast.co.jp mailto:nakagawa-tamaki@jreast.co.jp mailto:nakagawa-tamaki@jreast.co.jp mailto:nakagawa-tamaki@jreast.co.jp

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60

既定のセクション Slide 1 Slide 2: Future CDE Strategy in Railway　Projects

1_introduction Slide 3: Agenda Slide 4: Summary of this presentation Slide 5: Speakers Slide 6: JAPAN & JR East （East Japan Railway Company） Slide 7: Population Trends in Japan Slide 8: Boundary between Civil Engineering and Architecture Slide 9 Slide 10: Title only Slide 11: Two Section of Facility Management of JR-EAST Slide 12: Contract Delivery Methods in Japan

2_JRE-BIM cycle Slide 13: Agenda Slide 14: Over 10 Years ago – before JRE-BIM Slide 15: JRE-BIM - Policy - Slide 16: What is JRE-BIM / JRE-BIM cycle Slide 17: JRE-BIM cycle Slide 18: JRE-BIM cycle Slide 19: JRE-BIM cycle Slide 20: JRE-BIM cycle Slide 21: CDE for JRE-BIM (2016-2024) Slide 22: ・How the CDE is used in pilot projects ・Efforts and issues with JRE-BIM by Ms. YONEYAMA 　 　 Mr. NAKAGAWA

3_Cases Slide 23: Agenda Slide 24: JRE Cloud Use Cases Slide 25 Slide 26 Slide 27 Slide 28 Slide 29: Overview of the　Track Construction　Planning Slide 30 Slide 31 Slide 32 Slide 33 Slide 34 Slide 35 Slide 36 Slide 37 Slide 38 Slide 39 Slide 40 Slide 41 Slide 42 Slide 43 Slide 44 Slide 45: Issues in the Current Workflow with CDE Slide 46: Issues in the Current Workflow with CDE Slide 47: ・Next CDE for JRE-BIM by Mr. YAMAMOTO

4_Next CDE Slide 48: Agenda Slide 49: Next CDE for JRE-BIM Slide 50: Next CDE for JRE-BIM Slide 51: Using the New CDE – Project Start (1/5) Slide 52: Using the New CDE – Design & Revisions(2/5) Slide 53: Using the New CDE – Consistency check (3/5) Slide 54: Using the New CDE – Final Delivery (4/5) Slide 55: Using the New CDE – Next Step(Construction) (5/5) Slide 56: New CDE – RAG-based Search (Future Plan) Slide 57: New CDE - Goal

5_Conclusion Slide 58: Conclusion Slide 59 Slide 60