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Government

NJDOT Route 206 Bridge Over Dry Brook

Cape May, New Jersey

Project Overview

MFS Consulting Engineers & Surveyor, DPC provided topographic survey and photogrammetric mapping services for the NJDOT Route 206 Bridge over Dry Brook project (TP-533), covering a total of 64 acres. The inner 18 acres were mapped in 3D with contours for detailed elevation data, while the remaining 44 acres were mapped in 2D.

Cape May, New Jersey

Project Details

The team performed a baseline survey and generated profile and cross sections for highways. New digital aerial imagery was acquired using a Microsoft Vexcel UltraCam Falcon P-100 sensor, achieving a 0.02-meter ground sampling distance. Fully Analytical Aero Triangulation (FAAT) was conducted using KLT’s AtlasDSP software, incorporating ABGPS and IMU data to ensure accurate exterior orientation.

MFS compiled mapping at 1” =30’ scale on digital stereo plotters, producing a Digital Terrain Model (DTM) and 1-foot contours in OpenRoads Designer. Mapping followed NJDOT standards and ASPRS Positional Accuracy Standards (2.0 cm imagery), and deliverables were formatted per NJDOT requirements using MicroStation/OpenRoads with standard levels, lifestyles, and cells.

Ortho photo rectification and mosaic creation were completed with 0.25-foot pixel resolution, delivering final ortho sheets in GeoTIFF format.

MFS also prepared ROW Maps (ETM, GPPM, IPM) with parcel descriptions and demonstrated experience with NJ Map Filing Law for ROW Mapping. The project adhered to NJDOT Surveying Manual and Standards, including Article 44 and Article 51.

Stats

  • Owner:
    New Jersey Department of Transportation

Services Provided

  • MFS provides land surveying services throughout the tri-state area, specializing in site surveying, boundary surveys, topographical surveys, and utility surveys. One of the top surveying companies in NJ, we have extensive experience in real estate, infrastructure, utility, transportation and more.