CASE STUDY | 100 LIVERPOOL STREET 100L expansion vessel LTHW pressurisation unit AHU pump set x2 Hamworthy Wessex ModuMax boiler x7 Office pump set x3 Hydrofil side stream filter Retail pump set x3 Calorifier pump set x2 The roof-top boiler plantroom the air quality and meet the requirements of the Well Certification. At 2Ls-1m-2, its a higher airflow rate than the Building Regulations and the upper limit of the BCO guidance, says Duncan-Bosu. Air supply to each floor plate has the ability to be regulated using variable volume control based on the CO2 levels from the office space. The buildings eco-credentials also include greywater recycling and rainwater storage for toilet flushing. Waste water is collected from the showers and wash hand basins, which is then filtered and stored for use in flushing toilets. Rainwater storage tanks are in the basement. The tanks primary purpose is for rainwater attenuation. Limitations on plant space meant that there was insufficient room to have a large amount of storage. Instead, the rainwater system controls monitor the weather forecast. If heavy rainfall is predicted, the tanks will be emptied to enable rainwater to be stored to provide attenuation. The air quality was not great, so the client made the decision to install carbon filtration on all roof-top air handling units, which has helped improve air quality In accordance with its green credentials, the buildings electricity is purchased from renewable sources. There is also a small contribution from an area of photovoltaic panels on the buildings roof. British Land has offset the remainder of the residual embodied carbon split equally between a project restoring 30,000 hectares of land on the Tibetan plateau and a teak afforestation project in Mexico to make this building British Lands first net zero carbon development. CJ CHAPMANBDSP CIBSE EMPLOYER OF THE YEAR ChapmanBDSP is an independent design consultancy specialising in MEP, environmental, fire, vertical transportation and lighting. It employs around 200 people, of which 157 are building services engineers, 40 of which are graduate and/or junior level engineers. The initiatives it has put in place to develop young engineers include: CIBSE-approved training and development scheme, weekly CPDs and bi-monthly technical knowledge seminars An equality, diversity and inclusion (EDI) forum, with all staff completing unconscious bias training. Pursuing a company diversity strategy that has also made progress, with equal numbers of male and female graduates joining the company over the past three years. In 2021, the companys focus was on supporting the mental health of its employees, including running mental health and mindfulness sessions on Microsoft Teams to help employees with their mental health during the Covid-19 pandemic. A young engineers endorsement of the companys award entry included the following: The company are very supportive and encourage all young engineers to attend industry training events that are organised by professional membership bodies such as the CIBSE and SoPHE YEN. The senior engineers are very willing to assist the young engineers wherever possible. Whether this be in the form of helping us with our university studies; assisting us with our design work in the office; or taking us down to site and showing us around. As part of its Wellbeing Strategy, the company has invested in 10 Mental Health First Aiders (MHFA), with a representative in each of the design teams. All the MHFA have completed the two-day Mental Health in the Workplace course, which is aimed at empowering businesses to create a positive environment where people can discuss mental health. The company recognises that its biggest asset is the staff they have working for them and are willing to listen to all employees, which was evident from the results of the recent companywide investors in people survey on Covid-19 and Wellbeing, in which the company scored in the top 5% for positivity. 20 May 2022 www.cibsejournal.com CIBSE May 22 pp16-18, 20 100 Liverpool Street.indd 20 22/04/2022 15:11