Highway Surveyor

1 Planning Design Before construction begins engineers conduct Feasibility studies Traffic surveys Soil investigation geotechnical analysis Environmental impact assessment EIA Alignment and route selection Design of pavement drainage and structures Outputs include drawings specifications and cost estimates 2 Site PreparationActivities Clearing and grubbing removal of vegetation debris Demolition of existing structures Relocation of utilities water lines cables etc Earthwork planning and site marking by surveyors 3 Earthworks This is one of the most important stages Processes Cutting removing soil rock from high areas Filling Embankment adding soil to low areas Compaction using rollers Grading and levelling to achieve design slope and shape Materials Natural soil Selected fill material Rock Stabilized soil lime cement treated 4 Subgrade Preparation The subgrade is the top of the compacted soil layer Tasks Achieve required density and CBR California Bearing Ratio Shape and level the formation Fix soft spots with soil stabilization or geotextiles 5 Sub-Base and Base Course Construction These layers provide structural strength above the subgrade Sub-base optional depending on design Granular Sub-Base GSB Crusher run material Base Course Water Bound Macadam WBM Wet Mix Macadam WMM Cement-treated base CTB Bitumen-treated base BTB 6 Pavement Construction1 Flexible Pavement Asphalt Roads Layers include Prime coat Tack coat Binder course asphalt Wearing course asphalt concrete SMA or mastic asphalt 2 Rigid Pavement Concrete Roads Steps include Formwork setting Placing reinforcement if required Pouring and vibrating concrete Curing and joint cutting 7 Drainage Construction Essential to extend pavement life Types Side drains Culverts Cross drainage structures Stormwater systems Median drains 8 Structures Along the Road Bridges and culverts Retaining walls Box drains Underpasses and overpasses Guardrails and barriers Road signs and markings 9 Finishing Works Road shoulders Road marking thermoplastic paint Traffic signs and signals Curbstones Landscaping Street lighting 10 Quality Control Testing Common tests Soil compaction Proctor sand cone Material gradation Asphalt density and temperature Concrete slump and strength tests Level checks using survey equipment 11 Safety During Construction Traffic management and signage PPE for workers Hazard identification and control measures Safe equipment operation Job Type Full-time Pay 23 000 00 - 30 000 00 per month Benefits Food provided Work Location In person