Res 1995-159 - Laserfiche WebLink

Home Browse Search

, . , / D fR C!..- without this written authorization. 1.2 PHASE 1 - SITE ASSESSMENT 1.2.1 Environmental Site Assessment The ENGINEER will: (a) review existing environmental related documentation related to the Project and the Project site; (b) perform a Phase I Environmental Assessment of the Project site in accordance with ANSI standards and TDHCA guidelines; (c) investigate Project site for the existence of wetlands, floodplain, and endangered species habitats; (d) submit draft as~essment for review by the appropriate state agencies; (e) prepare draft of report with findings, recommendations, and cost estimates; (f) perform internal review of report and finalize; and (g) submit final Environmental Assessment Report to the City for review and approval. 1.2.2 Preliminary Foundation Investigation . The ENGINEER will: (a) Perform a Slab Condition Survey: (1) Core slab - determine thickness and strength; (2) Crack survey - perform a topographic survey with 0.10 ft. vertical accuracy to document stress patterns, position and displacement of cracks, and flatness; and (b) Perform a Soil Support Investigation; (1) review existing soil information from previous projects at the Airport, Gary Job Corps, and the closed City landfill; (2) Borings - drill a minimum of two borings within the proposed site to determine fill characteristics and soil stratigraphy <;1nd gather samples of the soils for lab testing; (3) Soil Test - test samples gathered from borings in the lab to determine Atterberg Limits, moisture content, gradation, unit weight, compressive strength, consolidation characteristics, and swell potential; (4) prepare preliminary foundation design based on geotechnical study if existing soil is determined to be inadequate; (5) prepare draft of preliminary report with geotechnical findings,