GIS : GEOGRAPHIC INFORMATION SYSTEMS
Services provided as GIS and digital mapping consultancy include :
System Development
Bespoke Programming
Ordnance Survey Digital Data Consultancy
Database Audits
Database Creation
Database Maintenance
Data Capture
Digitising
Georeferencing
Data Conversion
Site Survey
Compilation of Data From Disparate Sources
Typical GIS projects undertaken include the following :
Client : National Grid Transco
Job Title :Mobile GIS - system development
Description of Service : Design and development of a GIS system, primarily for use with pen
based tablet pc's in the field. Asset data to be shown includes overhead lines, towers,
substations, buried cables and 3 different scales of Ordnance Survey digital mapping. Conversion of
data in disparate formats. Links to associated documents provided via automated links from map objects.
Client : Metronet Rail SSL Ltd
Job Title :Metronet GIS
Description of Service : Consultancy advice regarding GIS system and data design. Development of a
Geomedia WebMap based GIS system. Creation of digital data model of the London
Underground tube network railway lines and stations.
Client : National Grid
Job Title :Ordnance Survey PAI
Description of Service : Modification of National Grid's asset data to align with Ordnance Survey's post PAI
(Positional Accuracy Improvement) digital mapping.
Client : Welsh Development Agency
Job Title :OS MasterMap Management
Description of Service : To maintain a full dataset of Ordnance Survey MasterMap GML digital mapping data covering the area
of Wales. To apply updates and to supply extracts of specified areas in AutoCad
format on a call off basis.
Client : London Electricity
Job Title :Digital Mapping
Description of Service : Development of systems to enable fully vectorised digital mapping to replace traditional
ink/film drawing office. Development of Quality Assurance proceses and data
specifications to ensure quality throughout digital map production. Pilot project -
proving trials based on 8 maps in New Malden. Production of digital map records
compiled from disparate source material covering an area of approximately 100km sq.
of inner London. 708 map records produced based on 1:500, 1:250, 1:100 scales, all
major substation areas covered. Provision of trained personnel on site at Bengeworth
Road.
Client : Southend on Sea Borough Council
Job Title :GIS System for the Planning Department
Description of Service : Bespoke system development providing a data management system for the planning
application department. Data conversion of 52 planning index boards with
approximately 40000 planning applications. Digitisation of 40 different areas of
constraint. Digitisation of the Local Plan
Client : Seeboard
Job Title :GIS Consultancy & Data Conversion Pilot Project
Description of Service : System development for Smallworld GIS to achieve rapid and efficient data input to
asset management database. Pilot project to prove systems including data capture of
paper based records and the creation of a fully connected network data model
showing overhead and buried electricity supply network cables and associated
jointing details. Quality assurance systems developed for the tasks.
Client : Midlands Electricity
Job Title :Digitisation for GIS
Description of Service : Digitisation of paper records and provision of GIS network data model.Production of 339 digital map records based on 1:2500 scale covering an area of
approximately 675km sq. of the MEB area.
Client : National Grid
Job Title :GIS Data Maintenance
Description of Service : Maintenance and updating of GIS asset data across the whole of England and Wales.
Conversion of paper based records to Oracle Spatial GIS database. Assets include
overhead lines, underground cables, towers, substations, land boundaries,
environmental data and associated equipment.
Client : GeoMet UK Limited
Job Title :Digitising Geological Maps for GIS
Description of Service : Scanning and digitising of geological maps showing coal and limestone deposits and
borehole locations. Creation of a GIS system to visualise and interrogate the data.
Client : Royal Borough of Kensington & Chelsea
Job Title :Parking Sign survey for GIS
Description of Service : Survey and condition grade assessment of approximately 12000 parking restriction
signs across the borough. Digitising and geo-referencing survey data for use with
GGP GIS
Client : National Grid
Job Title :Land Boundaries Digital Mapping
Description of Service : Source record analysis and compilation of data to create a data set showing property
boundaries owned by National Grid.
Preparation of paper maps for presentation purposes
Client : Steer Davies Gleave
Job Title :Scanning for GIS
Description of Service : Scanning paper maps, rectification and georeferencing for use in GIS.
Client : National Grid
Job Title :Data Capture for GIS
Description of Service : Development of digital mapping systems and create full data sets for all assets
associated with AC power cables, pilot cables, overhead lines and associated equipment
countrywide. Digitisation of paper based records
detailing equipment throughout England and Wales.
Client : London Docklands Development Corporation
Job Title :Digitising land use plans: Digital Mapping
Description of Service : Provision of trained CAD personnel. Digitisation of land boundary and ownership
Client : Midlands Electricity
Job Title :Digital Mapping
Description of Service : Development of systems to create fully vectorised and raster/vector composite digital
map base for Wings/Framme GIS. Development of Quality Assurance processes and
data specifications to ensure quality throughout digital map production.Pilot project
based on a sample area of Wolverhampton. Production of 635 digital map records at
1:500 scale covering an area of approximately 50 km sq. of the MEB area.
Client : Hackney Estate Management & Dev.
Job Title :Land Use Survey for GIS
Description of Service : Survey of land use in the Kingsland Housing Neighbourhood. Survey of tree locations,
height and width. Provision of digital data for use with MapInfo GIS.
Client : National Grid Company plc
Job Title :Co-ordinate Conversion
Description of Service : Conversion of 20000 tower O.S. co-ordinates to latitude/longitude from OSGB 1936
format.
Client : Midlands Electricity
Job Title :Digital Mapping : Maintenance and updating of electricity cable network records
Description of Service : Maintenance and updating of electricity supply network data model relating to EHV,
HV, LV and services. Incorporation of changes based on job card records and site
sketches.
Client : Eversheds
Job Title :Electricity Act 1989 - Paragraph 6 of Schedule 4
Description of Service : Application by London Power Networks plc for a necessary wayleave to install and
keep installed electric lines - Investigation into
power supply capacity and alternative routings and wayleave proposals in London
Docklands
Client : Aquila Networks (Midlands Electricity)
Job Title :Digital Mapping of Sub station circuit records
Description of Service : Compilation of archive records and digitising of building layouts and buried asset
information to produce spatially located site plans of electricity sub stations.
Client : Infraco Sub-Surface Ltd (London Underground)
Job Title :Digital Mapping of Draw Pits
Description of Service : Service contract for the recording of cable draw pits. Preparation of map records
showing underground assets plotted against Ordnance Survey mapping.
Client : Howard & Co.
Job Title :Mobile Telephones - Locations
Description of Service : Expert Witness Report looking at the accuracy of positioning of a mobile phone based
on the telephone company records.
Client : National Grid
Job Title :Land Boundaries - Digital Mapping
Description of Service : Digitisation of paper records showing land boundaries for all National Grid sites in
England and Wales. Preparation of Gis database and paper based mapping for
presentation purposes.
Client : National grid Co plc
Job Title :Post codes
Description of Service : Process source data and import into Oracle Spatial GIS database, replacing previous
contents.
Client : National Grid
Job Title :Tower survey comparison
Description of Service : Comparison of 22000 co-ordinates held in the GIS system with those surveyed by
aerial reconnaisance
BHA Cromwell House, GIS Consultants, Cromwell House,
78 Manor Road, Wallington, SM6 8RZ
t: 020 8647 1686, f: 020 8773 3110, e:
info@bhacromwell.co.uk
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