I am looking for a competent UK-based electrical designer to support a small commercial LV electrical design package. The project involves design support for upgrading an existing DB-fed circuit to a dedicated new distribution board, incorporating a UPS feed and maintenance bypass switch. There may be two similar locations. Required scope: RIBA Stage 4 electrical design support single line / schematic arrangement cable sizing calculations voltage drop calculations protective device selection review of existing DB information, fault level data and earthing arrangement UPS / maintenance bypass integration notes Stage 6/as-built update based on installer redlines and final installed details Required experience: UK LV electrical design experience strong working knowledge of BS 7671 experience with commercial distribution boards, UPS supplies and maintenance bypass arrangements ability to produce clear calculation outputs ability to work from existing drawings, DB schedules, site information and installer-provided details previous examples of similar design work, redacted if necessary Please include in your response: your UK-recognised qualifications relevant professional memberships or registrations, if applicable confirmation of software/calculation method used, such as Amtech / Trimble, ElectricalOM, ETAP or equivalent example calculation output or redacted previous design package confirmation of professional indemnity insurance, if held availability over the next 1 to 2 weeks fixed fee or day rate indication I am not looking for the cheapest bidder. I need someone competent, reliable and able to provide calculation-backed design work suitable for review and issue within a UK commercial electrical project environment. Please start your response with “BS7671 UPS DB” so I know you have read the brief.