Engineering calculations.
Practical solutions.
Independent electrical design and calculation support for electrical contractors who need additional technical capability, without the overhead of a full-time in-house designer.
- Bachelor’s Degree — Operations Engineering
- BS 7671 18th Edition
- City & Guilds 2391 Inspection & Testing
- Trimble ProDesign
Small packages are welcome — from a single cable calculation to a small LV distribution package.
Design services
Calculation and verification support across the circuits and distribution work electrical contractors deal with day to day.
Cable sizing & selection
LV submains and final circuits, installation methods and correction factors.
Voltage drop
Circuit and overall installation voltage-drop verification.
Fault current & ADS
Fault-current calculations and automatic disconnection verification.
Protective devices
Selection and verification against circuit requirements.
Maximum demand
Connected-load, diversity and maximum-demand assessments.
Discrimination / selectivity
Protective-device coordination assessments where required.
ProDesign packages
Controlled Trimble ProDesign calculations and supporting documentation.
Controlled workflow
Every calculation package moves through the same controlled process, from design input to issued output.
Design Inputs
Drawings, loads and site constraints received and logged.
Engineering Calculations
Cable sizing, voltage drop, fault current and device selection.
Technical Review
Outputs checked against BS 7671 and the design brief.
QA
Independent quality check before release.
Controlled Issue
Documentation issued under a referenced revision.
Discuss your next calculation package
info@electrafix.co.uk · www.electrafix.co.uk