FEMA’s elevation guidance document retires Appendix A of the Guidelines and Specifications for Flood Hazard Mapping Partners (Guidelines) and Procedure Memorandum 61 – Standards for LiDAR and Other High Quality Digital Topography, while modernizing the guidance to align with the USGS LiDAR Base Specification v1.2, ASPRS Positional Accuracy Standards for Digital Geospatial Data (Edition 1, Version 1.0 – November 2014), and ASPRS LAS Specification Version 1.4 – R13 (15 July 2013). This document provides basic information on elevation data terminology, data formats for datasets used in the Risk MAP program, references for accuracy and other Light Detection and Ranging (LiDAR) topics, as well as guides for procurement of either leveraged or newly acquired elevation data.
Read the Elevation_Guidance_Nov_2015
