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Aecom’s education in BIM


Consultant and Laing O’Rourke are deploying BIM and offsite manufacture to cut the construction programme for Salford schools


become the O&M manual, saving time and/or a last-minute rush at completion. n Ensure you have the right IT equipment and software in place. Consider a short-to- medium-term IT strategy and enhance this as your experience and capabilities mature. When talking to your software providers, check that the different software packages being used on the project (architecture, engineering, programming, estimating etc) are compatible. Your workflow, programme and planning databases should all be up to date and BIM friendly. At the same time get your people trained up in the relevant tools and align this with your IT strategy. n Make sure you are conversant with the relevant BIM standards, codes of practice or guides, including: n BS 1192: 2007 — Collaborative Production of Architectural Engineering and Construction Information: Code of Practice; n BS 7000-4:1996 — Design Management Systems; n BS 8541: 2011 — Library Objects for Architecture, Engineering and Construction; n ISO 29481-1: 2010 — Building Information Management — A Standard Framework and Guide; n BSI B/555 — Roadmap for BIM Standards. n Organise a BIM workshop, attended by as many of the supply chain as possible. Early engagement will aid buildability, sequencing and the provision of model objects amongst other thing. n Create a BIM execution plan. Use an existing template to prompt consideration of the key issues: organisation, communications, workflow, data drops, deliverables, model content, protocols, software standards, information management. n Establish a supply chain strategy — engage with the client, design and construction team early to provide insights into prefabrication and buildability metrics. n Advise on design to limit waste and increase programme/construction efficiencies. n Regularly review and monitor progress, capturing lessons learnt for continuous improvement. n Think about who should have access and editing rights to the model — the copyright and database rights should be


Aecom is working with Laing O’Rourke as part of the design team on a programme of six new schools for the Salford Building Schools for the Future (BSF) programme. To date, two schools have been handed over to the client and one academy and three schools are on site. Aecom is responsible for the civil and structural engineering, building services, sustainability, transportation planning, BREEAM, health and safety consultancy, and geotechnical and environmental services. Each design discipline worked with an Autodesk Revit software package, with architecture, structural and mechanical, electrical and plumbing models being exchanged as they developed. The different design teams then all used Autodesk’s Navisworks project


management suite to review the co-ordination of the designs. “Working in a BIM


environment brought a range of benefits to the project,’’ says Andy Reed, a project director for Aecom’s building engineering practice. “Producing models at design stage allowed stakeholders to gain a real appreciation of the form and scale of the proposed buildings, leading to earlier decision making and fewer late design changes.” The area where BIM had the


most impact was in relation to the design for manufacture and assembly techniques. Laing O’Rourke is targeting off-site manufacture of 70% of building components, reducing site- based labour by 60% and the construction schedule by 30%. Aecom engineers worked with


Laing O’Rourke’s production team to develop a range of pre-finished wall, floor and column components which were then manufactured at Laing O’Rourke’s off-site facility. BIM was fundamental to


this process, facilitating a seamless link from initial concept visualisation through detailed design, building co-ordination and clash detection and on to programming and operation of the automated component production carousel — a process controlled by Nemteschek’s Allplan software. “These schools represent


best practice in sustainable design and construction, providing flexible and adaptable space and creating transformational learning facilities,” says Reed.


Aecom and Laing O’Rourke hope to re- duce the construction schedule on the Salford schools programme by 30%


clearly defined in the terms and conditions applicable to the ownership of intellectual property. The project director and model manager should define the authorised users/organisations and grant licences accordingly. This should include tenants who may use and rely on the model content for specified uses.


Lessons learnt BIM will mean different things to different clients, and presents many challenges,


particularly around workflow and culture. But BIM is transforming our industry, so it’s important not to be overwhelmed by it, but to get involved and become engaged. Talk to colleagues, go to seminars, use social networking, join the discussion — and start your BIM journey.


Gillian Breen is an associate at Aecom company Davis Langdon. Richard Bates, Andy Reed, Matt Viall, Faisal Zaidin, and Paul Zuccherelli also contributed


CONSTRUCTION MANAGER | MARCH 2012 | 33


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