Arkansas Department Of Transportation Ardot #RFP 21-002R

Multibeam Sonar Survey System

The Arkansas Department of Transportation (ARDOT) awarded a contract for a comprehensive Multibeam Sonar Survey System, including a multibeam echo sounder, lidar sensor, GPS components, software, mounting hardware, cables, and warranty. The system specifications feature a swath width up to 180 degrees, range resolution of 0.01 meters, frequency range of 250-650 kHz, integrated sound velocity profiler, and high-precision positioning and heading with RTK support. The awarded equipment also includes a lidar sensor capable of 200,000 points per second, supporting multiple GNSS satellite systems such as GPS, GLONASS, Galileo, and BeiDou. The contract emphasizes integration, high accuracy, and compatibility with existing ARDOT RTK systems. The procurement was managed by the Equipment and Procurement Division in Little Rock, Arkansas, with the point of contact being Danny Keene. The award was made in response to RFP 21-002R, posted on March 24, 2021, with the award date being April 19, 2021. The procurement aims to enhance ARDOT's surveying capabilities for infrastructure and environmental assessments.

Description

The Arkansas Department of Transportation (ARDOT) issued a Request for Proposals (RFP 21-002R) for a Multibeam Sonar Survey System. The solicitation was posted on March 24, 2021, with a response deadline of March 24, 2021. The award was made on April 19, 2021. The system specifications include capabilities such as a swath width up to 180 degrees, range resolution of 0.01 m, frequency range 250-650 kHz, integrated sound velocity sensor, ping rate up to 50 Hz, multi-detect capability, operating temperature 0 to 30 degrees C, data integrity features, integrated inertial measurement unit, positioning system with auto switch to internal positioning if GPS signal is lost, and high accuracy positioning and heading with RTK. The system also includes a lidar sensor with specified accuracy and resolution, software for collection and processing, mounting equipment, cables, carrying case, extended warranty, computer with software installed, GPS base station, and sound velocity profiler. The RFP includes detailed bid requirements, technical requirements, support requirements including training, warranty, maintenance support, and firmware/software upgrades. The point of contact for the RFP was Danny Keene, Division Head, Equipment and Procurement Division at ARDOT.

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