Powerline

LSTC currently has contracts with National Grid and the DNO’s of the UK to supply expertise and provide solutions to a varying degree of powerline issues. No scheme is too large – 150kM of 400kV OHL in the North of Scotland or too small – 100m of LV Line in the South of England and with offices in both the North and South of the UK we are easily accessible to discuss your requirements. 

Field Surveys

LSTC have a field survey team of 12 staff, whom are able to mobilise to anywhere in the country, from as far North as Orkney to as far South as the Isle of White, whether it be for one day or two weeks our teams are accomplished in undertaking detailed surveys in the most challenging environments. The key equipment used by our Surveyors are both Leica GPS and TPS Theodlites and also Topcon Total Stations.
Software – Optimal, LeicaKey
Tasks of Survey Crews:-

Overhead Transmission Line Surveys
Tower Verticality alignment
GPS location of OHL Transmission and Distribution routes
3D Tower models and Wire Clearances
3D Substation Line Entries
Insulator Set measuring
Tower and Route Access Photography
Condition and Risk Assessment of Overhead Lines
Wood Pole route identification
Wood Pole Distribution Line Surveys
ESQCR surveys

Overhead Line Design

Office Staff – 28
Software – PLS Tower, Pole and Cadd, Optimal TowerCad & PoleCad, Liscad, Bentley Microstation
Key Activities:-

Profile of OHL routes
Route Maps, Wayleave Plans and access reports
Photography and ID of Towers
Feasibility of alternative uprating conductors
DTM modelling and Route profile design
Overhead Line Route feasibility studies
Overhead Wood Pole Distribution Line Design LV – 132kV
Overhead Transmission Line Design 132kV – 400kV
Tower Load analysis
3D Wire Clearance models & drawings
Building Under Line Clearance Checks
Foundation drawings
ESQCR solutions
Insulator String Design

Tower Detailing

Software – BOCAD, Solid Edge, PLS Tower, PLS Pole, Bentley Microstation
Key Activities:

Complex Steel Detailing to include:-
Tower / Gantry Design
Sealing End Platforms
Cable Ladders
Tower Modifications – Special Crossarms, Earthwire Peak
Inter circuit screens and Stoneguards
Tower Strengthening
Tower Body Extensions
Steel Pole Disconnector Structures
Wood Pole Crossarm Steelwork
Steel Fabrication Drawings
Material Schedules
DSTV file output (CAD – CAM)