Overview
What is a Route Survey?
A route survey is a specialized survey over a long, narrow strip of land required for linear infrastructure projects. It encompasses reconnaissance, preliminary survey, and final location survey to map the topography, existing utilities, property boundaries, and determine the most economical and feasible alignment.
Why is it Required?
Route surveys are critical for the design and construction of any linear project. They provide the necessary data to determine horizontal and vertical alignments, calculate cut and fill volumes, identify necessary land acquisitions, and plan for structures like bridges and culverts.
Who Needs it?
Highway departments, railway authorities, water board and irrigation departments, oil and gas pipeline companies, power transmission agencies, and large infrastructure contractors.
Key Benefits
Our Survey Process
Reconnaissance
Initial study of maps, satellite imagery, and site visits to identify feasible route corridors.
Preliminary Survey
Detailed topographic mapping of the selected corridor using DGPS, Total Station, or Drones.
Final Location Survey
Fixing the final center line on the ground and establishing permanent benchmarks.
Profiling and Cross-Sectioning
Taking precise elevation measurements along the center line and at right angles to it.
Analysis & Computation
Processing data to create plan and profile drawings, and computing earthwork volumes.
Client Delivery
Submission of plan and profile drawings, cross-sections, L-sections, and survey reports.
Deliverables
Frequently Asked Questions
What types of projects require a route survey?
Roads, highways, railways, canals, pipelines (oil, gas, water), power transmission lines, and any long linear infrastructure.
What instruments are used for route surveys?
We use a combination of DGPS/RTK for establishing control, Total Stations for detailing and cross-sectioning, and Auto Levels for precise vertical profiling. Drones may be used for rapid corridor mapping.
Do you provide earthwork quantity calculations?
Yes, we use specialized software to process cross-section data and provide accurate cut and fill volume estimations.
What is an L-Section?
A Longitudinal Section (L-Section) is a drawing showing the profile of the ground along the center line of the route, essential for designing gradients.
How long does a route survey take?
It depends on the length of the route, terrain, and required detail level. We can deploy multiple teams to expedite long routes.
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