Calvin Giordano - Laserfiche WebLink

Home Browse Search

Village of EsteroSunny Isles Beach RFQ 18-02-01 | Marine and Coastal Professional Engineering Consulting Services APPROACH The Coastal and Hydro Surveying Services under this contract will be provided by Sea Diversified, Inc (SDI). Approach to Services – SDI provides automated hydrographic surveys employing single-beam, dual-frequency and multi-beam technologies, including remote-sensing investigations such as side scan sonar, magnetometer, and sub-bottom investigations. Personnel of the firm have performed hundreds of surveys in Ports, inland waterways, and nearshore/offshore coastal waters throughout the State of Florida, including many coastal regions throughout the Caribbean, Puerto Rico, the U.S. and British Virgin Islands, Central America, and South America. SDI has specifically conducted coastal and hydrographic surveys throughout the City of Sunny Isles Beach and nearby coastal municipalities throughout Miami-Dade County. Hydrographic and remote-sensing studies are conducted from one of SDI’s fleet of multiple vessels of varying size, type and capabilities. Typical inland and nearshore hydrographic surveys are conducted using a 25-foot survey launch with enclosed cabin or 17-foot center console survey launch. All survey vessels have trailers for efficient mobilization to any location in Florida. For deep water surveys or survey operations requiring accommodations and/or long travel, SDI has a 35-foot launch with enclosed air-conditioned cabin, generator, dive compressor, kitchen, head/shower and sleeping accommodations. For extreme shallow water operations, SDI has numerous survey skiffs ranging in size for 12 feet to 19 feet. For sediment testing, including vibra-coring and dive operations, SDI has a 26-foot survey platform with open deck and A-frame. All survey equipment is owned and maintained by the firm and is continuously updated in both hardware and software to stay on top of industry standards. Bathymetric data is collected using Odom single or dual frequency sounder and where deemed necessary this system may be interfaced with a CMS-25 Motion Sensor System. Sounders equipped with multi-beam technology may also be employed as necessary for the project. For horizontal vessel positioning, a Trimble-based real-time Differential Global Positioning Systems (DGPS) is utilized with vessel navigation and data collection/storage provided via the Xylem brand “Hypack” system. “Hypack” is a powerful software used for pre-planning survey transects, vessel navigation, bathymetric data collection and data processing. The system applies horizontal position to sounding data real-time during the course of the survey, allowing review of bathymetric data during the course of collection to ensure quality of data. The software provides an efficient tool for data processing, charting and volume computations. Beach Profile and Borrow / Disposal Area Surveys In conjunct with beach and nearshore profile surveys, SDI has an extensive amount of experience in offshore profile data collection pertaining to coastal restoration projects and beach monitoring efforts. The offshore surveys are conducted using a 26-foot survey launch with enclosed cabin and centrally located, hull mounted transducer. The sounder is calibrated via bar checks, at the beginning and end of each day following US Army Corp of Engineers (USACE) criteria and manufacturer specifications. For horizontal vessel positioning, a Differential Global Positioning System (DGPS) is used with demonstrated COASTAL & HYDRO SURVEYING 22