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;;p HALFF <br />Page 3 <br />1.1.4 Obtain, if available, and review additional existing plans, maps, studies, reports, <br />and records within the project area as identified during the preliminary <br />reconnaissance. Collect all pertinent information concerning proposed public or <br />private projects and /or improvements in the project area. <br />1.1.5 Conduct field survey. Provide a detailed topographical and tree survey between <br />Airport Drive and the east fence line and between the ramp \apron and W. Kane <br />Avenue to the Gary Job Corps property. Field locate all pertinent <br />(visible /accessible) utility lines to include manholes, water valves, fire hydrants, <br />meters, poles, etc. Field locate all pertinent structures to include buildings, <br />pavement, driveways, culverts, walls, fences, vaults, signs, etc. Tag, identify, <br />and field locate 8" diameter and larger hardwood trees and all "landscape value" <br />foliage. <br />1.1.6 Identify all utilities (COSM owned and private) and meet with the utility <br />companies to collect existing and proposed /planned utility location plans. <br />Perform Level B Subsurface Utility Engineering (SUE) services by designating <br />tonable subsurface utilities to identify and locate existing utilities within the <br />project corridor. Halff s services will be performed in a manner consistent with <br />that degree of skill and care ordinarily exercised by members of the same <br />profession currently practicing under similar circumstances. Because of limited <br />record information, Halff cannot guarantee that all utilities will be found and <br />marked on the project. Perform Level A SUE services for up to 5 test holes on <br />various subsurface utilities at specified locations. Halff will dig a 12" x 12" test <br />hole, record the depth, backfill and compact the hole, and restore the surface to <br />its original condition. An iron rod with cap or "x -cut" will be set to mark the <br />location of the test hole. SUE will be performed in accordance with ASCE <br />CI /ASCE 38 -02 "Standard Guideline for the Collection and Depiction of <br />Existing Subsurface Utility Data." <br />1.1.7 Conduct geotechnical investigation (see Attachment Al, Raba Kistner's Scope of <br />Services). <br />1.1.8 Desktop Environmental Review - Based on preliminary review of the corridor, <br />no environmental constraints are anticipated. This environmental task will begin <br />by researching known environmental constraints within the project corridor using <br />GIS data provided by resource agencies (TCEQ, THC, USACE, and USFWS). <br />Environmental scientists will perform one windshield survey of the corridor, and <br />document the absence of environmental concerns for the project record. <br />No permitting (TCEQ, THC, USACE, and USFWS) is anticipated for this <br />project. If permitting is required, the work would be performed under a <br />supplemental contract. <br />1.2 Preliminary Engineering Report (PER): Halff will prepare a Preliminary Engineering <br />Report that will include the following. <br />1.2.1 Project introduction and overview <br />1.2.2 Summary of data collection <br />1.2.3 Summary of 2 alignment options <br />