City of Calgary URISA's ESIG™ Award Application
© 2015 The City of Calgary Page 1 of 14 April 29, 2015
URISA's ESIG™ Award Application
Calgary Automated Survey Plan Verification and Reporting
(CASPER)
Prepared by: Arne Svedahl, with contributions from Rick Ciezki & John Lethaby
Version: 1.0
Date: April 29, 2015
City of Calgary URISA's ESIG™ Award Application
© 2015 The City of Calgary Page 2 of 14 April 29, 2015
Table of Contents
Table of Contents .................................................................................................................................... 2
List of Abbreviations ................................................................................................................................ 4
A. System ............................................................................................................................................. 5
1. Name of System and ESIG™ Category ........................................................................................... 5
2. Executive Administrator’s Authorization Letter ............................................................................ 5
3. Summary of System’s Accomplishments and Why it is Exemplary ................................................ 5
4. User Testimonials ........................................................................................................................ 5
B. Jurisdiction ...................................................................................................................................... 6
1. Name of Jurisdiction .................................................................................................................... 6
2. Population Served by the Organization ........................................................................................ 6
3. Total Annual Budget for Jurisdiction ............................................................................................. 6
4. Chief Elected Official Information ................................................................................................. 6
5. System Contact Information......................................................................................................... 6
C. System Design ................................................................................................................................. 7
1. Motivation for System Development ............................................................................................ 7
2. Service(s) Intended to be Improved by System ............................................................................. 7
3. Unexpected Benefits .................................................................................................................... 7
4. System Design Problems Encountered ......................................................................................... 8
5. System’s Differentiation from Similar Systems ............................................................................. 8
D. Implementation ............................................................................................................................. 11
1. Phases of the System’s Development ......................................................................................... 11
2. Modifications to Original System Design .................................................................................... 11
E. Organizational Impact .................................................................................................................... 11
1. User Community Served by System ............................................................................................ 13
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© 2015 The City of Calgary Page 3 of 14 April 29, 2015
2. Decisions/Operations/Services Affected..................................................................................... 13
3. Quantitative and Qualitative Impacts of System ......................................................................... 14
Quantitative Benefits ..................................................................................................................... 14
Qualitative Benefits ....................................................................................................................... 14
4. Effect of System on Productivity................................................................................................. 15
5. Other Impacts ............................................................................................................................ 15
6. Changes to Business and/or Service Delivery .............................................................................. 15
F. System Resources .......................................................................................................................... 16
1. System’s Primary Hardware Components................................................................................... 16
2. System’s Primary Software Components .................................................................................... 16
3. Data the System Works With ..................................................................................................... 17
4. Staff Resources to Implement System ........................................................................................ 17
5. Unusual Resourcing Facets of System’s Development ................................................................ 17
Appendix 1: Executive Administrator’s Approval Letter......................................................................... 18
Appendix 2: User Testimonials .............................................................................................................. 20
Appendix 3: CASPER Architecture and Data Models .............................................................................. 24
Appendix 4: Digital Plan Submission Guidelines for ePlans .................................................................... 27
City of Calgary URISA's ESIG™ Award Application
© 2015 The City of Calgary Page 4 of 14 April 29, 2015
List of Abbreviations
ALSA Alberta Land Surveyors Association
AIM Asset Information and Mapping
CADD Computer Aided Design and Drafting
CAAF City Web-Application Framework
CASPER Calgary Automated Survey Plan Evaluation and Reporting tool
CoC The City of Calgary
GBS Geospatial Business Solutions
GIS Geographic Information System
IIS Infrastructure & Information Services
IT Information Technology
LSF Legal Survey Fabric
LTO Land Titles Office
POSSE Public One Stop SErvice
ROI Return on Investment
SDE Spatial Data Engine
UAT User Acceptance Testing
VISTA View Information Specific To your Application
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© 2015 The City of Calgary Page 5 of 14 April 29, 2015
A. System
1. Name of System and ESIG™ Category
Calgary Automated Survey Plan Evaluation and Reporting tool (CASPER)1 – Single Process System
2. Executive Administrator’s Authorization Letter
See Appendix 1: Executive Administrator’s Approval Letter
3. Summary of System’s Accomplishments and Why it is Exemplary
As the primary public stewards of approximately 850 square km of land supporting a population of
1,195,194 people, The City of Calgary (CoC) has increasingly relied on cadastre information and mapping
to manage land, infrastructure, and other vital services such as transit, and emergency response.
In 2013, the Dynamic Geospatial Asset Information and Mapping program undertook a project to develop
a web based tool that Alberta land surveyors could use to self check their legal survey plans to ensure
they adhere to CoC Legal Survey Fabric (LSF) Plan Submission Guidelines (see Appendix 4). This tool is
named Calgary Automated Survey Plan Evaluation and Reporting tool (CASPER).
CASPER is an exemplary system because it allows but does not force the Legal Survey community to use
the tool to self check their Legal Survey plans BEFORE starting the submission process to the CoC.
CASPER has been a technology ground breaker. It leverages web intake forms compliant with the CoC
web architecture, interfaces with the CoC Enterprise GIS environment and delivers reports through email
distribution that can be used to improve the quality of the resulting Legal Survey Plan submissions. These
Legal Plans make up a substantial part of the subdivision approval process within the CoC.
CASPER is also innovative from a stakeholder engagement perspective. CoC engaged three focus group
members from the Alberta Land Surveyors Association (ALSA) to help define the requirements of the
system. In addition to being innovative, the tools have been delivered to help streamline the submission
process but not as a mandatory tool, which fosters a collaborative relationship with the Legal Survey
community. This collaborative relationship has been recognized with the “Transforming Government”
designation at the CoC.2
Plan submitters that use the CASPER tool are 70% more likely to have plans accepted for compliance with
the LSF Submission Guidelines.
4. User Testimonials
See Appendix 2: User Testimonials
1 http://www.calgary.ca/CS/IIS/Pages/Services/CASPER.aspx
2 http://www.transforminggov.ca/
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© 2015 The City of Calgary Page 6 of 14 April 29, 2015
B. Jurisdiction
1. Name of Jurisdiction
City of Calgary (CoC)
2. Population Served by the Organization
1,195,194
3. Total Annual Budget for Jurisdiction
$5.5 billion P0F
3
4. Chief Elected Official Information
Mayor Naheed Nenshi
Office of the Mayor
City of Calgary
800 Macleod Trail. S.E.
P.O. Box 2100, Station M
Calgary, AB, T2P 2M5
5. System Contact Information
Arne Svedahl, Leader – Land
Asset Information & Mapping
Infrastructure & Information Services
Corporate Services
City of Calgary
Floor 2, Calgary Municipal Building
2-C3-3, 800 Macleod Trail S.E.
P.O. Box 2100, Station M
Calgary, AB, T2P 2M5
Phone: 403-268-2171
Fax: 403-268-3638
email: [email protected]
3 City of Calgary ($22 Billion over 4 years including Capital Projects)
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© 2015 The City of Calgary Page 7 of 14 April 29, 2015
C. System Design
1. Motivation for System Development
The Asset Information and Mapping (AIM) division of Infrastructure & Information Services (IIS) identified
an opportunity to improve the plan submission process. Within this process a significant number of
submitted plans were being rejected, resulting in sub-optimal use of AIM staff time and significant delays
in the plan approval process. It was recognized that an enhanced service could be provided by
incorporating recently implemented survey plan submission validation functionality into an external
partner accessible web service. In doing this AIM would be able to reduce plan turn around cycle times
and perceived “red tape”, and develop stronger relationships with the Developer / Surveyor community.
2. Service(s) Intended to be Improved by System
UDevelopment & Building Approvals
DBA uses spatial data and the POSSE database as a foundation for a number services and business
processes devoted to:
the use and development of land
the safety, health, occupancy, and use of buildings
the licensing of businesses and business activities
the provision of accurate and timely data to support the land and building process
DBA’s business processes, and associated updates to its POSSE database, result in the need to update
CoC’s base maps (LSF and OPF layers), maintained by IIS staff. As a major user of and contributor to CoC’s
base map data DBA services benefit from CASPER in number of ways including:
reduced errors in the initial submission from the survey community
less frustration from the development community due to reduction in the number of multiple
submissions.
Improved turnaround time for the evaluation and acceptance of legal survey plans meaning that
their plans are less likely to be rejected by the CoC.
Improved accuracy of information that is being entered by the plan submission due to consistent.
3. Unexpected Benefits
UUnanticipated Utilization and Integration
The benefits associated with implementing CASPER are many and will be realized on several fronts. As
more and more CoC business units begin to require digital submission for design and as-built
infrastructure drawings it will be important for those submissions to adhere to soon to be developed e-
submission guidelines. The architecture used for CASPER is flexible to easily support additional business
rules required for future e-plan submissions.
Interest from Education Institutions
The Southern Alberta Institute of Technology (SAIT) will be incorporating the use of this tool into their
curriculum. The benefits will be three fold:
City of Calgary URISA's ESIG™ Award Application
© 2015 The City of Calgary Page 8 of 14 April 29, 2015
1. Students get an understanding of how to draft plans that conform to CoC LSF submission
guidelines.
2. Legal Survey community are able to hire graduates that require little additional training to
support development projects within the CoC.
3. The City receives high quality submissions for land development.
4. System Design Problems Encountered
Use of a third party tool for temporarily loading AutoCAD DWG files into an Oracle database prevented
the loading of files approaching the originally designed 5MB file size limitation. Instead the file sizes were
restricted to 3.6MB which 95% of the time is sufficient. To assist the survey community in reducing their
file sizes to meet this constraint CoC listed this limitation in the error messages during the selection of the
DWG file, and provided tips on how unwanted information can be purged from AutoCAD DWG files.
5. System’s Differentiation from Similar Systems
The next two sections discuss features of CASPER that are unique:
Ease of Use
Minimal information is requested from the Legal Surveyor to put their plans through the checking tool:
CADD drawing (AutoCAD DWG)
Type of Plan
Email address for report delivery
Emailed Report with errors/warning highlighted for later investigation
The surveyor is provided a report as to how the plan adheres to the LSF submission Guidelines. This
report is emailed in PDF format and DWG format. This allows the surveyor to access this information in
both an easy viewing format as well as a more detailed report that can be referenced into their CADD tool
for corrections to be made.
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© 2015 The City of Calgary Page 9 of 14 April 29, 2015
PDF Report
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DWG Report
DWG t
Information Useful for Final Submission
The stakeholder/focus group identified the following key information that would be beneficial to receive
in their verification report to improve the efficiency of their final submission to the CoC:
Existing addresses Impacted by the Legal Survey Plan.
Legal Description of the existing parcels impacted by the Legal Survey Plan.
Land Use of the existing parcels impacted by the Legal Survey Plan.
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© 2015 The City of Calgary Page 11 of 17 April 29, 2015
D. Implementation
1. Phases of the System’s Development
The system was developed as part of a two year project that incorporated initiation through to warranty
components. Significant time and effort were spent early in the project in scoping and confirming the
project objectives. Once the initial requirements were defined, the project employed a highly iterative
methodology through to implementation to ensure that the new system would support the corporate
needs and that the evolving technology would support the system. Throughout all phases of the project
the external stakeholder/focus group was engaged in system requirements and refinement.
The following list identifies the project life cycle:
Analysis* Business Analysis (Requirements, Change Management, Benefits Realization) Technical Analysis (Requirements, Alternative Evaluation, Recommend Solution) Design* Business Design (Process Maps, On-line Help, Use Cases, Acceptance Criteria) Technical Design (Database, Architecture, Security, Internal Access, Validation Service) Development* Business Development (On-line Help, Change Management, Benefits Realization)
Technical Development (Database, Architecture, Security, Internal Access, Validation Service, Test System for Focus Group Access/UAT)
Implementation Business Implementation (On-line Help, Change Management, Benefits Realization) Technical Development and Production (Database, Architecture, Security, Internal Access, Validation Service, Test System for Focus Group Access/UAT) Warranty Sponsor Signoff * Denotes iterative steps with the Stakeholder/Focus Group
2. Modifications to Original System Design
File size limitations to the Computer Aided Design and Drafting (CADD) file that would be submitted
Due to external library dependencies we need to restrict AutoCAD dwg file size to be 3.6MB vs the original
requirement which was 5MB.
Providing Information to the Land Surveys required for final submission requirements
The stakeholder/focus group identified the following key information that would be beneficial to receive
in their verification report to improve the efficiency of their final submission to the CoC:
Existing addresses Impacted by the Legal Survey Plan.
Legal Description of the existing parcels impacted by the Legal Survey Plan.
Land Use of the existing parcels impacted by the Legal Survey Plan.
This was provided as shown in the following screenshot.
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© 2015 The City of Calgary Page 12 of 17 April 29, 2015
City of Calgary URISA's ESIG™ Award Application
© 2015 The City of Calgary Page 13 of 17 April 29, 2015
E. Organizational Impact
1. User Community Served by System
A. Members of the Alberta Land Surveyors Association authorized to do work in Calgary
B. AIM-Land – currently we are porting the tool so that internal resources can utilize the same version of
the tool to ensure consistency.
2. Decisions/Operations/Services Affected
VISTA
During login to the VISTA system the Land Surveyor is now provided access to the CASPER tool as outlined
below. VISTA is used specifically to authenticate the user. Only users who are approved to submit
subdivision plans are provided access to CASPER.
City of Calgary URISA's ESIG™ Award Application
© 2015 The City of Calgary Page 14 of 17 April 29, 2015
3. Quantitative and Qualitative Impacts of System
As part of the implementation of CASPER, a benefit analysis was completed. This analysis identified both
quantitative and qualitative benefits of CASPER which are summarized in the next two sections. Since
CASPER has been in production for just over 1 year, CoC will require several years to collect the data
needed and analyze the true impact of CASPER’s implementation.
Quantitative Benefits
The impacts of the system are many and are realized on several fronts. Beneficiaries include the
downstream businesses (both CoC and external) that depend on reliable cadastral mapping data being
available, and both the Infrastructure & Information Services (cadastral mapping data maintainers) and
Information Technology business units. The following lists summarize the benefits of the Cadastral
Mapping System.
The benefits associated with CASPER’s implementation are many and will be realized on several fronts
including:
Reduced turnaround time for land development applications as the quality of the initial
submissions will be improved and less likely to be rejected. Each time a revision to submissions is
received the review clock of seven days starts over. In the past there have been instances where
7 revisions had been rejected before an acceptable plan was submitted.
Less time spent of AIM-Land staff in reviewing and rejecting plans that do not meet our LSF
Submission Guideline criteria.
Qualitative Benefits
As mentioned, the expected benefits of CASPER are fairly focused but will be realized and truly quantified
several years after implementation. They are mostly based on cost avoidance and savings associated with
more effective use of staff time and enhancements to the services they provide. Although these benefits
may translate into tangible cost reductions and increased revenue streams, more significant gains will be
made through more effective use of the current staff by increasing their capacity and allowing them to
focus on higher value work, thereby enabling City businesses to address the staffing challenges associated
with supporting a growing city. This section identifies the qualitative benefits associated with this project.
UAccommodation of Growth
CASPER accommodates Calgary’s growth and increases the CoC’s capacity to meet future service levels,
including new services by:
Introducing more efficient business processes and technology, CoC will be well positioned to
maintain service levels with existing staff as workloads increase due to a growing city
Providing tighter integration and interoperability among all City geospatial systems and client
applications will enable CoC to provide new maintenance and consulting services for corporate
clients
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© 2015 The City of Calgary Page 15 of 17 April 29, 2015
Recruitment and training of new staff will be easier by emphasizing the use of industry leading
GIS technology and recent graduates of the SAIT drafting programs will understand the LSF
submission guidelines.
UImprovement of Service Levels
CASPER improves existing service delivery:
The use of new technology and enhanced business processes will help eliminate time spent
checking poor quality submissions.
The use of City standard GIS technology will reduce data translation efforts resulting in more
timely data access for business clients
UPartnerships for Success
CASPER explores partnering with other sources to accommodate both current/future service delivery:
The use of corporate e-plan submissions standards combined with the technology developed in
CASPER will enhance the corporate geospatial data maintenance environment by:
o providing tighter integration and interoperability among all City geospatial systems and client applications/data.
o enabling downstream clients to update corporate data based on e-plan submissions
4. Effect of System on Productivity
Implementing the new system has enabled productivity increases in the overall acceptance of Legal plans
from the development community. This has been accomplished as a result of more effective use of time
reviewing and accepting legal plans. Less rejections result in less revisions, resulting in less time that CoC
staff need to review the plans submitted for approval.
From the surveyors perspective it is also more efficient and timely as they are able to deal with common
drafting issues before making a submission to the city. This improves the overall turnaround time when
submitting plans to the CoC.
5. Other Impacts
Use of the CASPER tool is iterative in nature and higher priority issues are identified in the start of the
report. As the surveyors deal with higher priority issues they understand how that issue can result in
further issues presented later in the report. This process educates all drafting personnel with a better
understanding of the submission guidelines.
6. Changes to Business and/or Service Delivery
There is currently no impact to business and/or service delivery, beyond the efficiencies discussed above.
There has, however been some discussions to encourage the use of CASPER for Surveyors currently not
using the CASPER tool.
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© 2015 The City of Calgary Page 16 of 17 April 29, 2015
F. System Resources
1. System’s Primary Hardware Components
Refer to Appendix 3 for a model of CAPSER’s architecture. The following summarizes CASPER’s
hardware components:
CAAF web application framework Sandbox, Development, Test and Production environments
virtualized running in a Windows Server 2003 environment.
Oracle SDE Sandbox, Development, Test, and Production environments virtualized running in a
LINUX environment
Oracle SDE production physical running in a virtualized LINUX environment
ArcGIS tiled mapping services running in a virtualized LINUX environment.
ArcGIS batch processes running in a virtualized 64-bit Windows Server 2008 environment
2. System’s Primary Software Components
Refer to Appendix 3 for a model of CAPSER’s architecture. The following summarizes CASPER’s
software components:
Tool/Technology Version Additional Information
CAAF 3.1 City Web-Application Framework
Visual Studio 2010 Developer Development Environment
Team Foundation Server 2010 Standard CoC code management toolset
C#.Net and ASP.Net Visual Studio 2010 Development Language
Microsoft .NET Framework 4.0 Underlying Framework
Active Reports .Net 6 (6.2.3681) Reporting Tool
Oracle Database 11g 10.2.0.3.0 Data storage
CryptoConn Current version Standard CoC encryption toolset
ArcSDE 10.0 (SP5) Standard GIS database extension
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© 2015 The City of Calgary Page 17 of 17 April 29, 2015
3. Data the System Works With
Refer to Appendix 3 for detailed CASPER data models. The following summarizes the data sources
CASPER works with which include, but are not limited to:
Authentication to the tool happens against the POSSE/Outrider Customer database.
Addressing, Land Use, Community, Corporate Limit and existing Parcel information stored in a
published ArcSDE geodatabase.
Tiled Mapping ArcGIS WebService.
AutoCAD DWG drawings that adhere to data standards and guidelines from the Land Titles Office
(LTO). Refer to Appendix 4 for more information related to LTO’s standards/LSF Submission
Guildeines..
4. Staff Resources to Implement System
Resources involved in implementation include:
3 –4 project team members responsible for development and testing of the system.
4 ALSA members that made up the industry focus group. Time commitment was restricted to
requirements definition and UAT.
1 part-time IIS-GBS personnel responsible for GIS architecture, GIS direction, Corporate tool
deployment, etc
1 part-time database administrator responsible for configuring the CASPER data model on
development/test/production servers.
1 part-time application support personnel responsible for integration with VISTA authentication
and security review of the CASPER tool.
5. Unusual Resourcing Facets of System’s Development
Solicited willing volunteers of the ALSA to help in the requirements and UAT.
City of Calgary URISA's ESIG™ Award Application
Appendix 1:
Executive Administrator’s Approval Letter
URISA's ESIG™ Award Application
Calgary Automated Survey Plan and Evaluation tool
(CASPER)
City of Calgary URISA's ESIG™ Award Application
City of Calgary URISA's ESIG™ Award Application
Appendix 2:
User Testimonials
URISA's ESIG™ Award Application
Calgary Automated Survey Plan and Evaluation tool
(CASPER)
City of Calgary URISA's ESIG™ Award Application
City of Calgary URISA's ESIG™ Award Application
Svedahl, Arne E.
From: Sent: To: Subject:
Woychuk, Mark [[email protected]] Wednesday, April 29, 2015 1:16 PM Svedahl, Arne E. CASPER - user testimonial
Use of the CASPER application to check the layering and information contained in our drawings
submitted to The City of Calgary has markedly decreased the delays we used to encounter. By
having the ability to use the application prior to making a formal submission, we are able to use
the report and drawing file generated to detect potential issues and resolve them beforehand.
The ease of use meant our staff were able to start using the program in minutes, without the
need for extensive training. Since the implementation of the CASPER application we have seen
a significant decrease in submission delays benefitting both us and our clients.
Mark Woychuk, ALS, P.Eng. Associate Stantec 200 - 325 25th Street SE Calgary AB T2A 7H8 Phone: (403)
716-7970 Fax: (403) 716-8099 [email protected]
The content of this email is the confidential property of Stantec and should not be copied, modified, retransmitted, or used for any
purpose except with Stantec's written authorization. If you are not the intended recipient, please delete all copies and notify us
immediately. Please consider the environment before printing this email.
City of Calgary URISA's ESIG™ Award Application
City of Calgary URISA's ESIG™ Award Application
Appendix 3:
CASPER Architecture and Data Models
URISA's ESIG™ Award Application
Calgary Automated Survey Plan Evaluation and Reporting tool
(CASPER)
City of Calgary URISA's ESIG™ Award Application
CASPER Data Model
City of Calgary URISA's ESIG™ Award Application
City of Calgary URISA's ESIG™ Award Application
Appendix 4:
Digital Plan Submission Guidelines for ePlans
URISA's ESIG™ Award Application
Calgary Automated Survey Plan Evaluation and Reporting tool
(CASPER)
City of Calgary URISA's ESIG™ Award Application
LTO LAYER/LEVEL SPECIFICATION (City of Calgary Adjusted)
LTO LAYER/LEVEL SPECIFICATION DESCRIPTION Level
Type Of Survey, Condominium Drawing Title(Floor Plan or Cross Section) and Location (Section, Township, Range, Meridian) 1
Scale Bar And Scale Text 2
Legend and North Arrow 3
ALS Affidavit, Surveyors name and Registration Number, (John Smith A.L.S. Registration Number 1234) and Owners Name 4
Map Sheet Border, Company Name And File Number 5
Linework and Text for Local Authority Approvals, LTO Approvals and Condominium Corporation Address 6
Subdivision/RW Plan Area (Area To be Registered) 7
Outline / Inline Area To Be Registered 8
Property And RW Linework Outside Area To Be Registered 9
Text For Linework Outside Area To Be Registered (bearings, distances, lot and block numbers, etc.) 10
Phantomized Linework For Superceded Plans and Phantomized Lot, Block and Plan Numbers 11
MASCOT Number and Symbol and ASCM tie linework and text; lines may be broken for plot purpose, not to scale 12
Symbols (IP Planted, IP Fd., Drill Holes, Etc.) and associated text 13
Dimension Arrows and Lines 14
Street Name, Lane, Road Allowance and WalkWay Text 15
Condominium Unit Factors Table, Individual Lot and Parcel Areas, Certificate of Title Number in Lot/Parcel 16
Section, Block Lines, Unbroken Within Area To be Registered 17
Section,Lot,Block Lines up to Survey Post Within Area to be registered (trimmed linework) 18
Lot/Condo Unit Numbers Within Area To Be Registered 19
Block Numbers Within Area To Be Registered 20
Registered Plan Number, (generally blank, number added after registration) 21
Line Bearings, Distances, Lot Dimensions, Arc, Radius, Chord Info B and E of Curve, Delta (Text) within area to be Reg. and associated lead lines,
arrowheads and dimension linework 22
City of Calgary URISA's ESIG™ Award Application
Street And Lane Widths Within Area To Be Registered 23
Lot Lines Unbroken Within Area To Be Registered; including Bareland Condominium Unit Boundary 24
ASCM Symbols and text identifier at true coordinates or to scale 25
Right-Of-Way Plan - Dimensions And Distances include assoc. lead lines, arrowheads and dimension linework within area to be Reg. 26
Right-Of-Way Dashed Line, (generally used on Subdivision plans) for new R/W plans 27
Right Of Way Linework, intersecting/unbroken At IP Symbols for new R/W plans 28
Right Of Way Descriptor (e.g. Utility R/W) 29
Lot Line And Text In Hydrology - Within Hydrology 30
Section,Block Line In Hydrology, Block Nos., Dimension Within Hydrology 31
Hydrographic Features Linework and Feature Names 32
Location/Place Name (City, Town, County, Municipal District) 33
Misc. Information 34
Geo-Reference Point (RP) Symbol and Text 35
**Outline / Inline unbroken lines of Area To Be Registered (unbroken layer 8) 48
Coding of all other graphic data and text is left to the discretion of the surveyor.
** - Additional Layer required for submission to the City of Calgary