HM Bristol Ltd Provides Site temporary power and plumbing to the construction industry. We offer a bespoke design service and can calculate your running costs all at pre-tender stage if required. We are NICEIC approved, CHAS, SMAS and Constructionline accredited and are recognised on Builders profile. We pride ourselves on our steps towards energy efficiency by providing LED alternatives to all of our lighting and the ability to switch all temporary lighting (including emergencies) via time clocks.