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UTILITY ENGINEERING <br />SUBSURFACE UTILITY ENGINEERING SERVICES <br />3D UTILITY MAPPING <br />AIR VACUUM EXCAVATION (TEST HOLES) <br />CAD TO GIS MIGRATION <br />CONCRETE SCANNING <br />DIGITAL DATA MIGRATION <br />GIS DATABASE DESIGN <br />GIS MAPPING OF UNDERGROUND UTILITIES <br />GPS FIELD DATA COLLECTION <br />GROUND PENETRATING RADAR (G.P.R.) <br />PRIVATE UTILITY LOCATES <br />STORMWATER INVENTORY AND MAPPING <br />UNDERGROUND VOID MAPPING <br />UTILITY COORDINATION <br />UTILITY DESIGNATING <br />UTILITY INVENTORY AND MAPPING <br />WATER AND SEWER AS -BUILT SURVEY <br />LAND sURVEI\ORS AND MAPPERS <br />30XLASER SCANNING <br />/ UTILITY\COORDINATION <br />/ SUBSURFACE UTILITY ENGINEERING <br />SUBSURFACE UTILITY ENGINEERING <br />The detail surface and subsurface mapping of utili- <br />ties during the planning and design phase of a <br />transportation project will result in significant time <br />and cost savings during construction. <br />HADONNE offers a full range of Subsurface <br />Utility Engineering services to both public and <br />private clients throughout South Florida. Our staff of <br />professional utility locators, surveyors and utility <br />- coordinator has <br />the expertise <br />•�A— trequire to deliv- <br />_ ­� --�­ eyed accurate <br />-- Iutilily infor- <br />mation needed by clients, engineers, contractors <br />and designers to make informed project decision. <br />HADONNE utilizes the latest state -of -the -art vacu- <br />um excavation <br />land survey <br />data collection <br />technology to <br />obtain the <br />exact horizontal and vertical location of existing <br />utilities in conflict with proposed infrastructure <br />To better match subsurface utility engineering ser- <br />vices to the needs of a particular project, the Amen - <br />can Society of Civil Engineers produced accepted <br />guidelines for the collection and depiction of existing <br />subsurface utility data (ASCE 38 -02). In this report, <br />the ACE set <br />forth four levels <br />of quality per- <br />taining to the <br />StJi1 methods, inter- <br />pretation and precision of subsurface utility data <br />collected. These Quality Levels serve as a guide for <br />engineers to detemune the level of detail they re- <br />quire to reap the most benefit from subsurface utility <br />engineering services. HADONNE offers services at <br />all four quality levels. Our services can be tailored to <br />you project needs, budget and schedule based on <br />these guidelines. <br />Quality Level A - Utility Designating and <br />Locating: This service is typically performed <br />during the design and construction phases. Precise <br />horizontal and vertical location of utilities obtained <br />by precise measurements of exposed structures at <br />given points. The results surveyed and can be <br />mapped onto plan documents. This is the most <br />precise level of service, offering the most Complete, <br />reliable data available. <br />Quality Level B - Utility Designating: This <br />service is recommended during early design <br />stages and in areas where uulity records are gener- <br />_ ,� • ally unavailable of <br />- -t reliable. Subsurface <br />utility data is obtained <br />• .. � through geophysical <br />methods to identify the existence and approximate <br />horizontal position of the structures. <br />Quality Level C - Visible Utility Features: This <br />service is recommended during project plan- <br />ning stages to aid site layout decisions. Approximate <br />utility locations are estimated using surveys and <br />plots of visible above ground utility features. These <br />observations are correlated to existing utility rec- <br />ords. <br />Quality Level D - Utility Records Review: <br />This service is recommended for feasibility <br />studies during the pre-design stage to help identify <br />potential costly utility relocations. Information on <br />subsurface utility structures is based solely on a <br />thorough records research and review. <br />Ground Penetrating Radar - Recognized as <br />one of the most powerful remote sensing <br />instruments available, ground penetrating radar <br />(GPR) is a safe, non - invasive geophysical invesNa- <br />lion method for 'looking' underground to image <br />subsurface features. GPR detects metallic and non- <br />metallic, natural and man -made underground fea- <br />tures, including: utilities, storage tanks, rebar, water <br />tables. H.ADONNE's survey crews are trained in the <br />use and operation of the latest GPR data collection <br />equipment and technology. <br />Geographic Information Systems - GIS is a <br />computer -based system capable of assem- <br />bling, stomp, manipulating, analyzing, managing <br />and displaying both spatial (geographic or land <br />referenced) and non - spatial (tune referenced) infor- <br />mation. HADONNE's GIS consultants are highly <br />experience in data integration and evaluation, and <br />providing costeliecuve, highly accurate GIS solu <br />firms to meet data management needs. <br />'21(305)2664188 ®www.hadonne.com OIHADONNE <br />