Resources
Technical notes written from the field.
What we learned pricing and building. No filler and no promises: the criteria we actually use.
2026-08-18
Seven data points missing from almost every OPGW tender
Fault duration, I²t, span tables, shielding angle and reel plan: what is missing from OPGW tenders and how it changes the price.
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2026-08-19
OPGW 48F or 288F: splice productivity moves the price more than the cable
A 48-fibre splice takes one day. A 288-fibre splice takes four. Why labour, not cable, defines the price gap between configurations.
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2026-08-20
Electrical works at 4,400 m: what changes against a lowland project
Altitude, −23 °C, 257 km/h winds and weather-bound working windows. What changes in a high-altitude mining electrical installation.
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