Diego Tool Milne Award 2011 Presentation1
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Diego Tool Milne Award 2011 Presentation1
- 1. D.I.E.G.O. TOOL D esign I nterface for E nergy G eneration O ptions Innovative solution for a more sustainable built environment BSE Division: Diego Calandrino Name: Entrant Information
- 2. D.I.E.G.O TOOL Originality Reproducibility Value to MMG’s Business Firm’s Professional Standing
- 13. Value to MMG’s Business How helps? When helps? Where helps?
- 20. Promotes firm’s professional standing What innovation?
- 22. Any questions?
Hinweis der Redaktion
- (Introduction) Good afternoon everyone, and thank you for giving me the opportunity to present my work. I am Diego Calandrino, I work in the master-planning team in the BSE division. The topic of my presentation is an in-house developed energy modelling toolkit that for some strange reason has been named after me, D.I.E.G.O. where the name is an acronym that stands for Digital, Interface, Energy, Generation, Options .
- The presentation is intended to show the tool in the light of its innovation and applications against the 4 judging Criteria of: - Originality, - Reproducibility - Values to MMG’s Business, and - Its promotion to the firm’s Professional Standing
- The DIEGO tool was developed by myself in order to advise developers on appropriate responses to the various national, regional and local energy policies being introduced for the built environment under the climate change agenda. Its predecessor, developed by Tessa Parnell, allowed individual low and zero carbon technology solutions to be assessed against the typical ‘percentage renewables’ policies being introduced by local authorities into planning policy. However the government’s declared stepped trajectory towards zero carbon for new buildings meant that something more sophisticated was required to assess combinations of technologies and the effects of gradual tightening of policy against project phasing. The beauty of the tool is that it can be applied to a project with nothing more than a land use budget available. As a result we have been able to illustrate to clients what a ‘zero carbon’ energy strategy looks like to a detail that allows realistic discussions on technical viability, land take and cost certainty, in fact often showing them several options that their particular site could support and helping them commit to a particular solution in an informed manner.
- In summary the tool is: 1. An options appraisal tool that generates best energy strategy for multiple buildings or multi-phased masterplans 2. Designed to provide energy strategy before individual building designs have developed beyond accommodation schedules 3. Typically deployed as part of outline planning stage 4. Very well suited to phased developments 5. Helps engineers understand scope, cross-sell services, and avoid scope-creep.
- Sankey diagram of a typical energy saving strategy made by DIEGO tool and comparison between a “Base-case” and “Proposed-case”:
- The model was designed with standardisation and robustness in mind. A five step standard analysis procedure is used to evaluate the energy production, pre-sizing and carbon dioxide emission reductions for various types of proposed energy efficient and renewable energy technologies.
- A summary of the five steps is as follows: Use current benchmarks or modelled energy demand data (whichever is available) Predict energy consumption and CO2 emissions for developments (single buildings to multi-phase mixed-use sites) Calculate the CO2 emission reductions from any combination of Low and Zero Carbon (L&ZC) options Compare CO2 emission reductions against planning requirements (and provide a standard approach for this analysis) Test the technical viability of different L&ZC technologies against the project requirements. Each model helps to dramatically reduce the time and costs associated with preparing pre-feasibility studies.
- As a result, the user who has learned how to use D.I.E.G.O. with one technology should have no problem using it for another. Since the D.I.E.G.O. Tool is developed in Microsoft® Excel, each of the five steps in the standardised analysis procedure is associated with one or more Excel worksheets.
- All energy technology models in the tool have a common look and follow a standard approach to facilitate decision making – with reliable results. The sheets include guidance notes and contain toggle options for the common user manipulated variables. A user manual is under development.
- The following Picture shows the Energy Flow Calculation that is the “engine” of D.I.E.G.O. Tool. From the picture it is also possible to get an overview of the technology options and their various combinations
- Energy project developers, investors, and financers continually grapple with questions like “How accurate are the estimates of costs and energy savings or production and what are the possibilities for cost over-runs and how does the project compare financially with other competitive options?” These are very difficult to answer with any degree of confidence, since whoever prepared the estimate would have been faced with two conflicting requirements: Keep the project development costs low in case funding cannot be secured, or in case the project proves to be uneconomic when compared with other energy options. Spend additional money and time on engineering to more clearly delineate potential project costs and to more precisely estimate the amount of energy produced or energy saved.
- The usual procedure for tackling this dilemma is to advance the project through several steps as shown in the slide. At the completion of each step, a “go/no-go” decision is usually made by the project developer as to whether to proceed to the next step of the development process.
- Each step of this process could represent an increase of one order of magnitude or so in expenditures and a halving of the uncertainty in the project cost-estimate. This is illustrated in Figure for hydro projects where the level of uncertainty in estimates decreases from ±50% to 0% while the project process is progressing from the prefeasibility to the commissioning stages.
- MMG’s ability to provide clients with high quality, low-cost pre-feasibility and feasibility studies is critical to helping them achieve cost and risk certainty, by “screening out” projects that do not make financial sense.
- In this regard the D.I.E.G.O. Tool, which can be used to prepare both pre-feasibility and feasibility analysis, specifically addresses these issues by providing quick and valid results at low cost, on which “go/no-go” decisions can be made. The analyst can therefore focus on the pre-feasibility study, rather than developing the methodology
- The Sustainability Masterplanning team have used the resulting tool in every sustainability masterplanning project on its books since the tool's creation. Use of the tool on the South Shields project for Turner and Townsend enabled the Sheffield project team to complete the energy strategy commission well within the budget. The tool was included in the Newcastle Science Central bid as one of our USP’s, and we subsequently won the next project phase over the incumbent engineers, Arup. The tool has contributed to the fact that we are one of the preferred consultants for the well known developer Crest Nicholson, from whom BFL had £600k of turnover since 2005.
- The tool is currently being considered by CIBSE as the basis for an industry wide LZC technology toolkit, CIBSE having recognised that a standardised industry methodology would provide clients with greater certainty and stabilise the regulatory environment. The methodology for each technology has been carefully researched and the detail of analysis possible is remarkable. Although our competitors may have developed their own options appraisal tools, there are no proprietary tools on the market that even come close to the level of analysis made possible by the D.I.E.G.O. Tool. Since its robustness and accuracy the tool can be adopted as part of the integrated multidisciplinary technologies used to produce a Building Information Model. In fact, it generates information such as the energy-carbon life cycle which represents one of the essential quantities encompassed by BIM.