Any time hard copy documents, including applications, plans, and any updates of any thereof, are submitted to the Land Use Administrator or the Secretary, digital data therefor as set forth below shall also be submitted.
Digital data shall be identical to the printed plan or Mylar and contain all information included thereon. Digital data submission shall include the project name, name of the submitting consultant, file name, date, and whether the plan is preliminary, update (include revision date), approved (recording date or date of final approval), or as-built.
Digital data shall be submitted via e-mail, a secure FTP or Internet dropbox, a compatible digital storage media, or other secure data transfer methods, provided that the Secretary or the Land Use Administrator can assess and save the data conveniently and securely.
Digital data shall be submitted as a PDF (.pdf).
Digital data shall be submitted at a resolution sufficient to produce legible full-size copies.
All digital mapping data shall be shown in New Hampshire State Plane feet using the North American Datum 1983 (NAD83) or newer. The vertical datum shall be the North American
Vertical Datum 1988 (NAVD88) or newer. Datums, projected coordinate systems, and controls shall be noted both on plats and in the digital data submission.
In addition to the digital data in PDF format required by Section 8.1, the Board may ask the applicant to submit digital data in CAD or GIS format for the approved plat (and any as-built plans, if required), as follows:
Digital data shall be submitted in CAD or GIS industry-standard formats, for example, Drawing Exchange File (.dxf) format, AutoCAD Drawing (.dwg) format, ESRI Geodatabase or shapefile (.shp) format.
All digital mapping data shall be shown as indicated in Section 8.1.3.
Each feature type (roads, buildings, lot lines, etc.) shall be organized thematically with corresponding descriptive names, for example:
| Feature Type | Layer Name |
|---|---|
| Lot Line | LOT_LINE |
| Building | BUILDING |
| Roads | ROAD |
| Driveways | DRIVEWAY |
CAD submissions shall separate feature types into discrete layers; GIS submissions may contain thematic layers organized in separate layer files or feature classes.
All lines representing lot lines, buildings, structures, and any other linework representing polygons shall consist of continuous linework snapped to endpoints and the polygons shall be closed.