Catalogue / Surveys (topo, geotech, drone)
Transmission line route and profile survey, Duo 2 seriesSample
by Nilgiri Technical Services (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Transmission line route and profile survey from Nilgiri, Duo 2 series: 6 survey area options between 25 acres and 1000 acres. Key features: boundary and encroachment marking, pile refusal and rock depth profile and ground control points tied to Survey of India benchmarks. Typically used for transmission line routing, solar park layout design and substation siting. Delivered in line with IS 1892 (Subsurface Investigation), IS 2131 (SPT) and IS 1498 (Soil Classification). Mobilisation Mobilisation in 5 days; serves All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Nilgiri
- Model
- NIL-625 series
- Listing type
- Service
- Unit
- site
- Minimum order
- 1 site
- Lead time
- Mobilisation in 5 days
- Warranty
- Re-survey of disputed areas at no cost
- Standards
- IS 1892 (Subsurface Investigation), IS 2131 (SPT), IS 1498 (Soil Classification)
- Delivers to
- All India
- GST rate
- 18 %
- Country of origin
- India
- Delivery terms
- Site mobilisation as per work order
- Returns
- Re-work of defective scope at no cost
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Survey area25 acresNIL-625-01 | Survey area: 25 acres | 1 site · Mobilisation in 5 days | for verified buyers |
| Survey area50 acresNIL-625-02 | Survey area: 50 acres | 1 site · Mobilisation in 5 days | for verified buyers |
| Survey area100 acresNIL-625-03 | Survey area: 100 acres | 1 site · Mobilisation in 5 days | for verified buyers |
| Survey area250 acresNIL-625-04 | Survey area: 250 acres | 1 site · Mobilisation in 5 days | for verified buyers |
| Survey area500 acresNIL-625-05 | Survey area: 500 acres | 1 site · Report within 3 weeks of fieldwork | for verified buyers |
| Survey area1000 acresNIL-625-06 | Survey area: 1000 acres | 1 site · Report within 3 weeks of fieldwork | for verified buyers |
Specifications
| Survey area | 25 acres to 1000 acres (see variants) |
|---|---|
| Survey method | Combined drone and ground controlmade to order: DGPS and total station / Drone photogrammetry / Drone LiDAR |
| Accuracy | Vertical 100 mm |
| Deliverables | Geotech report with bore logsmade to order: Contour map, DEM, CAD plan / Orthomosaic, DSM and contours |
| Geotech boreholes | 1 per 10 acres to 15 m depth |
| Lab testing | NABL accredited labmade to order: In-house soil lab / Rock core testing included |
| Resistivity survey | Not includedmade to order: Wenner 4-pin included |
| Pilot and permits | Drone flight permission via Digital Skymade to order: Client to arrange permissions |
| Turnaround | 5-6 weeks |
| Data format | DWG, KML, GeoTIFF |
| Crew | Surveyor plus 2 assistants |