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HEEC Implements BIM Process to Deliver 220kV Indoor Substation in Congested Wuhan City

HEEC Implements BIM Process to Deliver 220kV Indoor Substation in Congested Wuhan City
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HEEC Implements BIM Process to Deliver 220kV Indoor Substation in Congested Wuhan City - 1

CASE STUDY Project Summary Organization: Hubei Electric Engineering Corporation Location: Wuhan, Hubei, China Project Objective: • Design and construct a CNY 172 million indoor secondary transformer substation in China’s Hubei Province to provide reliable power supply for more than 400,000 residents. Products used: AECOsim Building Designer, AssetWise, Bentley Navigator, Bentley Raceway and Cable Management, Bentley Substation, ContextCapture, ProStructures, and ProjectWise Fast Facts • Using ProjectWise together with Bentley’s 3D modeling technology facilitated an integrated design process allowing multiple disciplines to work in parallel, avoiding collisions and saving time and costs. • Importing the 3D engineering model as an i-model into AssetWise provided the lifecycle BIM component, capturing substation data and asset information to support operation and maintenance. ROI • Bentley’s 3D integrated design solutions and collaboration technology optimized design accuracy and information mobility, saving more than 65 labor days and CNY 2 million in project costs. • Reality modeling with ContextCapture avoided the demolition of four surrounding houses within the project site. • Bentley Navigator Mobile enhanced decision making to reduce design time by 20 days and model review by 30 days. HEEC Implements BIM Process to Deliver 220kV Indoor Substation in Congested Wuhan City Bentley’s 3D Design Technology Optimizes Collaboration and Efficiency to Reduce Rework and Save CNY 2 Million in Project Costs Reliable Power Supply With more than 50 years of experience providing electric power engineering solutions, Hubei Electric Engineering Corporation (HEEC), a subsidiary of POWERCHINA Limited, was commissioned by the State Grid Corporation of China to design and build a large indoor substation in the congested capital city of Wuhan in China’s Hubei province. “[The newly completed] 220 kilovolt (kV) substation provides reliable power supply covering 16 square kilometers, improving the power grid structure of Dongxiu High-Tech Park and living quality of 400,000 residents in the surrounding area,” explained Wang Wei, team leader, Digital Center at HEEC. The CNY 172 million substation project required the layout and design of a two-story facility housing three sets of 240 megavolt ampere transformers and an underground cable network comprising 220kV, 110kV, and 10kV outgoing power lines. The constraints of a compact building space and dense urban surroundings, combined with the complicated arrangement of numerous cables varying in voltages, necessitated precise design and engineering on a tight schedule. To ensure accurate information sharing and avoid risk of clashes among electrical, structural, irrigation works, heating, ventilation, and construction disciplines, HEEC relied on Bentley design and analysis technology to implement an integrated, collaborative 3D modeling approach. (UAVs) to capture images of the existing neighborhood and used ContextCapture to perform aerial triangulation calculations to generate a detailed reality model. The 3D reality model provided context for the planning and design of the station site and cable layout, bypassing the civil and residential infrastructure. Stated Wei, “Real 3D models set up precise environmental space for the substation and outgoing cable line design.” Using ContextCapture to produce a 3D geo-referenced reality model facilitated precise design of the substation within the context of the city surroundings. This approach provided the planning team sufﬁcient insight into how the substation would be built and the impact on the environment and residents, preventing HEEC from demolishing four nearby houses. HEEC utilized Bentley’s modeling and analysis technology to implement a collaborative 3D design approach, using ProjectWise® as the connected data environment to manage its workﬂow. The electrical team used Bentley Substation to perform the design of the main wiring, electrical equipment scheme, stress calculations and arrangement of wires, as well as for lighting protection and grounding, and with Bentley Raceway and Cable Management, detailed the cabling and routing layout. “Due to the compact building Reality Modeling space, the cross span of the Provides Context for cable lay space was extremely Precise Design complicated. We used Bentley HEEC needed to understand Substation to determine the the context of the surrounding Using ContextCapture for reality modeling of the design and accurately plan structures when designing surrounding buildings rationalized the station location each cable strike,” explained and reduced environmental impacts. the facility. To rationalize the Wei. Bentley’s design station and outgoing cable applications efﬁciently displayed the cable space strike and layout with minimal impact to the local community and path relative to the substation walls, beams, columns, and environment, HEEC used ContextCapture to capture existing cable tunnel for optimal positioning. site conditio

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HEEC Implements BIM Process to Deliver 220kV Indoor Substation in Congested Wuhan City - 2

“Bentley’s digital solution has been fully applied across disciplines and stages of the Miaoshan 220kV Secondary Transformer Substation project, bringing both social and economic beneﬁts. The solution is a signiﬁcant improvement to design efﬁciency and quality and provides strong technical support for construction, operation, and maintenance.” – Wang Wei, Team Leader, Digital Center, Hubei Electric Engineering Corporation Find out about Bentley at: www.bentley.com Contact Bentley 1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000 Global Ofﬁce Listings www.bentley.com/contact...

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