The distance between directly buried optical cables and other facilities: National defense optical cables are laid in vast fields. If you are constructing near national defense optical cables, please keep a safe distance.
1. Drainage ditches: The spacing is 1 meter when parallel and 0.8 meters when crossing.
2. Building red lines (or foundations) and sheds: the minimum distance is 1 meter.
3. Wells, graves, pigsties, manure pits, toilets, manure fields, biogas pools, ammonia pools: spacing of 3 meters 4, trees: cities, villages and towns, fruit trees, roadside trees 0.75 meters , 2 meters outside the city.
5. The spacing between heating pipes and sewer pipes is 1 meter when they are parallel, and the spacing when they cross is 0.75 meters.
For the spacing of other facilities, please consult the line authority.
For the sake of line safety and to avoid line interruption due to construction, please maintain a safe distance.
