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GIS Operations

GIS Operations

According to the project scope of work, our GIS team provided GIS consulting support services to help the Government in making this project a success. The description given here is the scope of work that is to be carried out. However, any work even if not specifically mentioned but reasonably implied for the successful implementation and good performance of the system are deemed to be included in the scope of work. The building with all attributes collected from field survey is shown connected to their respective building object The scope of work of the vendor includes:
The scope of work of the vendor includes:

Implementation methodology

Vendor provides the best methodology of conducting DGPS survey and the spatial and non-spatial data preparation. What we used to build this GIS system are
► Spatial data which is going to display on the map
► Property TAX data
► Need to know the process of TAX collection
► And defiantly some assistance or support form SMB and Urban Office

Field survey & mapping

Our GIS team communicated with an agency that carries out field survey and mapping services. The agency needs to update the base map according to the received satellite images. These images will be provided by SIMPU. The agency also needs to map down locations. The map should have the boundaries as polygon object.
► Vendor will create the base map from Satellite Image.
► Vendor need to digitize the built-up area or plinth area of the building as polygon from Satellite Image.
► Collecting and developing attribute data
► Holding Number
► Owner’s Name
► Type of Construction (Assam/RCC Type)
► Location by type of Road – Main Road/Other Road/Footpath – even further minor classification
► Usage (Residential/Commercial/Institutional/Industrial)
► Area of Rented/ Self Occupied Portions (Sqm)
► Estimated Quarterly Current Tax Liability
► Proposed New Tax (Total liability)
► Tax Break-up (House | Sanitation | Water | Lighting)
► Creation of digital map of complete building information (spatial and non-spatial data).

Accuracy in Spatial & Non-Spatial Data

Under this, following services take place :
► Every feature has to be captured accurately that should not cross +/- 2 meter location accuracy.
► Polygons should be captured accordingly.
► Every feature should be captured as described in survey methodology.
► The vendor would furnish detail quality check procedure for map accuracy.


This category includes following services:
► Vendor provides schedule and plan of work. This needs to be approved by SMB before starting the field survey work.
►Spatial and non-spatial database for buildings of project area as layer (OGC standard, SHP, MIF).
► Spatial and non-spatial database for built-up area of project area as layer (OGC standard, SHP, MIF).
► Spatial and non-spatial database for holding Boundaries of project area as layer (OGC standard, SHP, MIF).
► All the deliverables shall be computerized outputs and the vendor shall submit two (2) copies of each deliverables in both soft (CD/DVD) and ward wise hard copy (A1 paper size).
► Training to SMB Personnel on GIS, GPS/DGPS handling, surveying and map editing tool.
The accuracy of every step taken for this project is first checked by our GIS team to make sure the map that has prepared for the work is absolutely correct.

GIS Energy

► Base Map Creation: We are creating Base Map with the help of Satellite Imagery & GPS Instrument. Showing geographic feature data in layers like Road, Water, Building & Utility features.
► Electrical Distribution Network Survey: we are collecting all Electrical Network (Underground/Over Head) Data from 33/66KV Substation to Consumer Building with GPS & shown network on the map with attribute data like EHT, 11kv(HT) Line, Transformer & 400v (LT) Network.
► Consumer Survey: Door to Door Consumer survey Data from LT pole to Consumer Meter of the Building & overlay on the Map for completion of GIS Project.