Services · 05
Large-scale topographic mapping (1:500–1:5000)
Topographic base mapping at 1:500, 1:1000, 1:2000 and 1:5000 — the document construction design, land-use planning and engineering investigation are all drawn on.
What this is
A topographic base map is an accurate record of what is actually on a site — ground surface, structures, utilities, vegetation and water — drawn to a stated scale and carrying elevation. Design work begins on top of it, which is why the scale and accuracy have to be chosen against what the map is for, not picked by habit.
What you end up with
A digital base map a design office can start work on immediately, produced to the requirements of BD 11-106-08.
- 01Topographic maps at 1:500–1:5000
- 02Digital and printed issue
- 03Terrain change analysis
- 04Base maps for landscaping and green-zone planning
- 05Mine general-plan mapping
Where it is used
- Master plans and district plans for the capital and for towns
- Construction design for enterprises, institutions, individuals and businesses
- Recording new and demolished structures and changes in ground surface
- Environmental and ecological assessment
- Mine-surveying and mine general plans
- Urban land-use planning and the land cadastre
- Detailed exploration, study and working of mineral deposits
- Landscaping, green-zone and public-realm projects
- Agricultural and irrigation investigation and design
- Flood defences, bridges, culverts and water supply mains
- Quantifying earthworks, mine waste, stockpiles and rehabilitation
- Planning and extending power, heating and telecommunications networks
- Railway stations, passing loops and track
- Road planning and construction
- Hydroelectric station working and as-built design
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