Bani Masoom has delivered multi-district RTK GNSS topographic surveys, including a six-district village-level topographic survey program (Thatta, Hyderabad, Umerkot, Sukkur, Kashmore, and Ghotki) under a WASH infrastructure initiative. Our survey scope typically includes:
Key Capabilities
- RTK GNSS topographic surveys
- Route alignment and profile surveys
- GIS data collection and mapping
- Boundary demarcation
- Benchmark (BM) establishment — 4 to 6 per site/village
- Village and settlement-level infrastructure mapping
Survey Scope
- Horizontal and vertical control using RTK GNSS
- Ground elevation data at 1m intervals (rolling terrain) or 3m intervals (flat terrain)
- Mapping of buildings, roads, drainage, water supply and sewerage networks
- Utility lines (overhead and underground), manholes, and water bodies
- Bridges, culverts, and roadside drainage systems
- Feature coding per client-approved coding and layer standards
Accuracy & Standards
- Vertical accuracy maintained within ±3 to 5 mm
- Permissible closing error not exceeding 0.02 m
- Data referenced to WGS 84 datum, UTM Zone 42N (or client-specified system)
Deliverables
- AutoCAD drawings in .dwg format
- CSV data files with coordinates, levels, and attribute information
- Layout plans showing all surveyed features
- Additional GIS outputs as required