A client was opening an end of life vehicle recycling centre (car breakers/scrap yard) and part of their SEPA Licence (Scottish Enviromental Protection agency) conditions were that they had to have an  area where they depolluted the vehicles. They also had to have new ground level drains put in which led to an oil interceptor tank before entering an inspection chamber and finally going to the main drains. As an extra they requested that we put in led security lights which ran on motion detection sensors located throughout the yard and also they had the facility to turn them all on at a flick of a switch, this was logistically a challenge due to machinery that had to be hired and that there was no power on the site to begin with but as we say  anything is possible if it is planned right and customer is understanding of costs involved in projects like this.