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SUDS Systems and CO2 emissions Oct 24th 2007

The Environmental impact of delivering Below Ground SUD’s systems

Given the current concerns regarding global warming and the impact CO₂ emissions have on this phenomenon it is surely worth considering the amount of CO₂ that is produced delivering these goods to site. Although these emissions only form a part of the overall environmental impact of each product it is an area that is reasonably easy to have a significant effect upon.  With this in mind it is possible to do some comparative studies on the different types of system currently available.

A fully laden articulated lorry produces on average 1.18Kgs of CO₂/Km_(*1) with this information and an understanding of how much of each product it is possible to load on each vehicle it is possible to calculate with reasonable accuracy the amount of CO₂ produced per M³ of gross storage delivered. Though the figure of 1.18Kgs at first appears insignificant it soon mounts up as delivery distances increase, as an example an articulated lorry traveling 200Miles will produce 380Kgs of CO₂. When figures like that are considered it clearly becomes important to fit as much “storage capacity” on to each vehicle as possible. The latest addition to the ESS modular storage range “Aquavoid” due to its groundbreaking design makes substantial CO₂ emission savings possible.

We recently completed a job in Dundee which required several tanks, the 1^st of which serves as an excellent example of the CO₂ savings that can be achieved.

_(*2)

The table above clearly demonstrates the potential emissions savings offered by the Aquavoid system which contributes only 42% of that of a “standard proprietary box system” and 21% of a large bore pipe. This difference in Environmental impact should surely be factored in to the decision making process undertaken by Engineers and Specifiers. As a simple guide to how these specification decisions affect the environment please see the graph attached.    

(*1) – Source - http://www.naei.org.uk/emissions/kb.php?action=showpost&question_id=381

(*2) – Assumptions. Large bore pipe size example - 2.1M diameter X 12.19M

                                Articulated Lorries with 40’ high cube trailers

                                  Std Box = 80M³/Load

                                  Delivery vehicles have return loads