GIS
Caloocan City
Status: Completed

• Geographic Information System (GIS), installed and implemented in 1999, consisting of –
  • New Digital Orthophotos. Black and white aerial photography, ground control surveys, orthophotomosaics with 1-meter contour data, and oblique photography.
  • Digital Maps. Polygon coverage of land parcels, buildings footprints and other structures, streets, and water bodies; polyline coverage of streets and water bodies; topographic data. All vector data are compiled as ArcView projects with pre-defined legends and cartograms.
  • GIS Software and Applications. Software licenses and customized GIS application with pre-defined legends and thematic maps.
  • Hardware and LAN. IBM server, Compaq workstations, HP color printers, NovaJet plotter, and 10-node structured network.
  • Training and technical support.

• Identified more than 100,000 undeclared buildings with an estimated TAV amounting to PhP10 billion, which can yield a yearly collectible of PhP25 million.
• Created land use and zoning maps.
• Identified landmarks for planning purposes.
• Pinpointed flood prone areas.
• Utilized GIS for mapping crime scenes for peace and order related projects.
• Used GIS in reblocking/rezoning as required by NHA.
• Utilized GIS for future road constructions such as road widening for C3 highway.
• Utilized GIS to pinpoint top 1,000 delinquent accounts.
• Overlaid with road widening projects.
• Identified barangay boundaries disputes and provided possible solutions.

New Digital B&W Orthophoto.

Digital Maps: Barangay boundaries, section boundaries, road network, water bodies, land parcels, and building footprints.

GIS customized application with pre-defined legends and thematic maps, which dynamically link RPTA, BPLS and other databases.