Managing Records: Electronic Records: Managing GIS Records: GIS Development Guides

GIS Development Guides

Appendix E - Application Descriptions

Geographic Information System Requirements Analysis

Application Identification #: 11
Application Name: Subdivision Development Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To monitor the progress of development of an approved subdivision (how many lots are built and the rate of the building).

Type of Application: Query & Display
Display/Map Scale: 100;200;400
Response Time:
Frequency: 1 per month

Data Required:

Feature Spatial Object
 

Attribute

Parcel Polygon
 

location

Street (double line) Polygon
 

name

location

Subdivision Polygon
 

name

location

  • Prepared by:
  • Approved by:
  • Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 12
Application Name: Counter Query Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To provide a quick query of one or more parcels and the associated parcel data (mostly ARLM file data) for answering inquiries at the counter or over the telephone.

Type of Application: Query
Display/Map Scale: 50;100;200;400
Response Time:
Frequency: 1 per month

Data Required:
Feature Spatial Object
 

Attribute

Building Polygon
 

assessed value

building #

Parcel Polygon
 

subdivision lot

SBL #

location

Street (center line) Line
 

length

address range

name

location

Prepared by:
Approved by:
Date:
03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 13
Application Name: Land Use/Land Value Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To produce a display of the value of land per square foot and/or front footage by land use type

Type of Application: Display
Display/Map Scale: 200;400
Response Time: 1 week
Frequency: 1 per year

Data Required:
Feature Spatial Object
 

Attribute

Parcel Polygon
 

depth

front footage

size

last sale price

land use code

location

Street (center line) Line
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 14
Application Name: Assessed Value Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To produce a map showing the assessed values (by range) for a small area; or for designated neighborhoods.

Type of Application: Query & Display
Display/Map Scale: 400
Response Time: Interactive
Frequency: 3 per year

Data Required:
Feature Spatial Object
 

Attribute

Neighborhood Polygon
 

name

location

Parcel Polygon
 

assessed value

location

Street (double line) Polygon
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 15
Application Name: Grievance Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To show assessed values of properties in the same area as a parcel where a grievance is filed.

Type of Application: Query & Display
Display/Map Scale: 100;200;400
Response Time: interactive
Frequency: 1650 per year

Data Required:
Feature Spatial Object
 

Attribute

Parcel Polygon
 

assessed value

location

Street (double line) Polygon
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 16
Application Name: Comparable Property Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

Show the comparable properties selected to determine the assessed value of a given property.

Type of Application: Query & Display
Display/Map Scale: 100;200;400
Response Time:
Frequency: 1 per month

Data Required:
Feature Spatial Object
 

Attribute

Parcel Polygon
 

address

assessed value

location

Street (double line) Polygon
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 17
Application Name: Built/Vacant Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To display the built and vacant parcels

Type of Application: Display
Display/Map Scale: 400
Response Time: Interactive
Frequency: 1 per year

Data Required:
Feature Spatial Object
 

Attribute

Occupancy Node
 

occupant type code

occupant address

occupant name

Parcel Polygon
 

built/vacant code

Street (double line) Polygon
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 19
Application Name: Sanitary Sewer Line Map
Department: Assessor
Defined by: H. Williams
Purpose and Description:

To show the location of sanitary sewer lines for the purpose of approving digging activities.

Type of Application: Query & Display
Display/Map Scale: 50;1000
Response Time: 5 min.
Frequency: 2 per week

Data Required:
Feature Spatial Object
 

Attribute

Building footprint Polygon
 

business name

building name

address

Manhole Node
 

depth

location

Sanitary sewer line Line
 

location

Sidewalk Line
 

location

Storm sewer line Line
 

location

Street (double line) Polygon
 

name

location

address range

Wye hook ups (new only) Node
 

distance from manholes

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 28
Application Name: Public Improvement Map
Department: Engineering
Defined by: P. Bowers
Purpose and Description:

To show facilities near a certain parcel for review of a public improvement permit or site plan.

Type of Application: Query & Display
Display/Map Scale: 100;200
Response Time: 30 sec
Frequency: 10 per week

Data Required:
Feature Spatial Object
 

Attribute

Parcel Polygon
 

location

Sanitary sewer Line
 

location

Storm drainage Line
 

location

Street (double line) Polygon
 

curb location

pavement type

location

Water main Line
 

installation date

material

size

type

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 29
Application Name: Total Committed Flow Map
Department: Engineer
Defined by: P. Bowers
Purpose and Description:

To keep track of the total committed flow of sanitary and storm sewers.

Type of Application: Spatial Model
Display/Map Scale: 1000
Response Time: 1 min
Frequency: 20 per week

Data Required:
Feature Spatial Object
 

Attribute

Detention pond Polygon
 

capacity

size

location

Ditches Polygon
 

capacity

size

location

Monitoring point Node
 

location

Sanitary sewer line Line
 

capacity

size

location

Storm sewer line Line
 

capacity

size

location

Street (center line) Line
 

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 36
Application Name: Storm Sewer Map
Department: Building Department
Defined by: T. Ketchum
Purpose and Description:

To display the location of storm sewers.

Type of Application: Display
Display/Map Scale: 100;200
Response Time: 12 sec
Frequency: 10 per day

Data Required:
Feature Spatial Object
 

Attribute

Contours Line
 

location

elevation

Easement Polygon
 

location

type

Manhole Node
 

location

invert elevation

rim/surface elevation

Parcel Polygon
 

location

Storm sewer line Line
 

location

Street (double line) Polygon
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 37
Application Name: Youth League and Residency Check Map
Department: Recreation Department
Defined by: J. Bloom
Purpose and Description:

To determine the appropriate league for a resident (by parcel) and discover non-resident applications.

Type of Application: Query
Display/Map Scale: 1000
Response Time: 30 sec
Frequency: 1500 per year

Data Required:
Feature Spatial Object
 

Attribute

League Polygon
 

type

location

Parcel Polygon
 

owner address

owner name

land use

address

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 41
Application Name: Optimal Snow Removal Route Map
Department: Highway Department
Purpose and Description:

To calculate the most efficient routes for snow removal and salting.

Type of Application: Spatial Model
Display/Map Scale: 1000
Response Time: 1 week
Frequency: 10 per month

Data Required:
Feature Spatial Object
 

Attribute

Street (center line) Line
 

length

class

width

location

Street intersections Node
 

traffic flow conditions

street names

Traffic zone Polygon
 

area

zone code

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 63
Application Name: Population Density Map
Department: Planning
Defined by: G. Black
Purpose and Description:

To browse population density by census tract, block group, or block.

Type of Application: Browse
Display/Map Scale: variable: 200 to 1000
Response Time: Interactive
Frequency: 1 per year

Data Required:
Feature Spatial Object
 

Attribute

Census Block Polygon
 

block #

population total

location

Census tract Polygon
 

tract #

location

Parcel Polygon
 

area

land use code

location

Street (center line) Line
 

name

location

Prepared by:
Approved by:
Date: 03-June-96

Top of page

Geographic Information System Requirements Analysis

Application Identification #: 70
Application Name: Population Projection
Department: Planning
Defined by: C. Brown
Purpose and Description:

To estimate future population of the Town, by small area (census tract, block group, and possibly block).

Type of Application: Spatial Model
Display/Map Scale: 1000
Response Time: 1 day
Frequency: 4 per year

Data Required:
Feature Spatial Object
 

Attribute

Census Block Polygon
 

block #

size

location

Census tract Polygon
 

tract #

size

location

Net migration None
 

application #69

Wetland Polygon
 

area

wetland code

Zoning Polygon
 

area

zoning code

Prepared by:
Approved by:
Date: 03-June-96

Back to Text

Return to Table of Contents