The Base Mapping Co. Ltd.

The Base Mapping Co. Ltd.

The Base Mapping Co. Ltd. is a member of the Association of
Ontario Land Surveyors, providing services in the field of
digital photogrammetry. The dedicated and highly skilled
staff has enabled the Company to complete projects throughout
Canada, the United States and the Cayman Islands.

The Company provides services in the fields of aerial
photography, GPS control surveys, digital topographic mapping,
digital terrain modeling and geographic information data
bases. Numerous projects have been completed for municipal,
provincial and federal governments, the engineering and
surveying communities, mineral exploration and mining
companies, utilities and industrial companies.

Professional affiliations include the American Society of
Photogrammetry and Remote Sensing; the Association of Ontario
Land Surveyors; and the Geomatics Industry Association of
Canada.

TECHNOLOGICAL RESOURCES
Equipment
1Point Transfer Device
3Digital Photogrammetric Workstations
4Graphics Edit Workstations
2Digitizing Tables
2Digital Plotting Systems
9Microcomputers
1GIS Workstation

Software Packages
1Aerial Triangulation
1Photogrammetric Block Adjustment
6Interactive Graphics/Digital Mapping
1Digital Elevation Modeling
1Contouring from DEM
1Geographical Information Processing

TYPICAL PROJECTS/CLIENTS
Services for the provision of GPS second order integrated
horizontal control survey and monumentation, vertical control
survey and monumentation, aero- triangulation, digital
elevation modeling and vertical contour generation, coding of
geographic data, interactive editing of plan and profile
drawings, integration of survey fabric and planimetric
mapping.
Colour aerial photography, 3rd order horizontal and vertical
control survey and digital topographic mapping at 1:500 (in
AutoCAD, DWG and MicroStation, DGN format) for engineering
design of water supply systems, sewer trunk line and road
construction.
Ontario Basic Mapping Program (1:2,000 scale) for various
municipalities. Services were for both digital mapping and
analogue mapping (approximately fifty 1:2,000 map sheets).
Canada/Ontario Flood Damage reduction Program. Services
provided were GPS control surveys, vertical control surveys,
and digital topographic mapping at 1:2,000.
Mineral Exploration and Mining Mapping Services provided:
orthophoto mapping and digital terrain modeling at map scale
1:5,000. Federal Government 1:50,000 National Topographic
Series mapping. Services provided: monochrome mapping using
digital mapping and automated scribing methods.
Cartographic colour mapping revision of various 1:50,000 NTS
map sheets.
Intergraph drawing files for GIS data base. Services provided:
digital topographic mapping and interactive editing.

Company Details

Number of Employees: 8

Company Information

Douglas Sadowski
Title: President
Area of Responsibility: Management Executive
Telephone: (613) 723-8100
Fax: (613) 723-8569

Products

G.P.S. Control Surveys

Geographic Information Databases

Services

Aerial Photography

Geodetic/Control Surveying

Land/Geographic Information

Photogrammetric Mapping

Digital Topographic Mapping

Digital Terrain Modelling