Geotechnical Investigation Sample Clauses

Geotechnical Investigation. Perform in accordance with the City Design Manual and other City requirements as designated in writing by the Director.

Geotechnical Investigation. Identifiable Soil Borings and Reports and testing costs approved by the Project Manager.

Geotechnical Investigation. Utilities will be located prior to geotechnical exploration. Subsurface exploration will be performed for single points were the foundation of signal poles are to be in each intersection corner. Pole and mast- arm layouts will be assumed, so WSDOT standard specifications can be reviewed to determine typical foundation depths. The subsurface drilling will be performed for a depth of the proposed foundation plus approximately five feet to identify the thickness of solids, location of rocks or other obstruction, ground- water conditions, and to assess local conditions. Soil capacities will be assessed via laboratory testing. The testing and rock located analyses will inform whether foundation size and depth can correlate with WSDOT standard specifications, or if alternate foundation design would be required (or if foundations should be relocated) in all intersection corners. The project would initiate with a study to help establish the optimal operating condition of the signal, as based on a review of existing and forecast traffic volumes provided by City Engineers. The study would address phasing and timing plans for the AM peak hour, noon/midday peak, PM peak hour, and an off- hours/weekend plan. The provision of a technical memorandum outlining conclusions would be provided to the City for concurrency, and to affirm signal designs. The project includes plans and specifications regarding designs for: ♦ Traffic signal assembly including signal heads, luminaires, poles, mast arms, signal heads, radar detection, pull/controller boxes, conduits, preemptive devices, circuits, power connection, and interconnect, etc. ♦ Pedestrian crossing devices (countdown signals, pushbuttons, etc.). ♦ Railroad intertie and bicycle detection emphases. ♦ Roadway geometrics/striping and signage. ♦ Potential relocation of utility equipment, as needed (power, utility boxes, vaults, etc.). Project deliverables include the submittal of a design plans and specifications provided for 60 percent, 90 percent, and 100-percent final designs. The 60 percent design establish the signal, geometric/striping, and signing designs. Extensive comments are anticipated at this stage of the project. The 90 percent submittal would address City comments to the 60% submittal and provide draft specifications and a bid estimate. The 90% review comments will be addressed, resulting in development of final 100 percent designs, specifications, and estimates. Final submittals will be stamped by a professional...

Geotechnical Investigation. The scope of services covered in this proposal consist of field exploration, laboratory testing and the preparation of a geotechnical engineering report for the proposed pavement, retaining walls, and bridge. 1. Field Exploration The field exploration will consist of obtaining borings for the proposed bridge, retaining walls, and existing US 90A pavement coring. The following field exploration program is proposed. Proposed bridge foundation and MSE retaining wall areas 2 (B-1 and B-4) 100 1. The planned boring locations are shown on the attached Anticipated Exploration Plan. 2. Below grade at the time of our field program. Proposed bridge foundation and MSE retaining wall areas 2 (CPT-2 and CPT-3) 30 1. The planned CPT locations are shown on the attached Anticipated Exploration Plan. 2. Below grade at the time of our field program. 3. The CPTs will be terminated at the proposed termination depth or to depth of refusal, whichever occurs first. Our exploration team will prepare field boring logs as part of standard drilling operations including sampling depths, penetration distances, and other relevant sampling information. Field logs include visual classifications of materials observed during drilling and our interpretation of subsurface conditions between samples. Final boring logs, prepared from field logs, represent the Geotechnical Engineer's interpretation, and include modifications based on observations and laboratory tests. CPT logs will be prepared by the Geotechnical Engineer 2. Laboratory Testing The project engineer will review field data and assign laboratory tests to understand the engineering properties of various soil strata. Procedural standards noted below are for reference to methodology in general. In some cases, variations to methods are applied because of local practice or professional judgment. Standards noted below include reference to other, related standards. Such references are not necessarily applicable to describe the specific test to be performed. Exact types and number of tests cannot be defined until completion of fieldwork, but we anticipate the following laboratory testing may be performed: • Tex-103-E Determining Moisture Content in Soil Materials • Tex-104-E Determining Liquid Limits of Soils • Tex-105-E Determining Plastic Limits of Soils • Tex-106-E Calculating Plasticity Index of Soils • Tex-110-E Particle Size Analysis of Soils • Tex-111-E Determining the Amount of Material in Soils Finer than the 75 micrometer (No. 20...

Geotechnical Investigation. Review available geotechnical and geologic information in the site area from our in-house project files. • Review historical aerial photographs to help identify the potential locations of buried remnant wood piling at the site. • Coordinate and manage the field explorations, including private and public utility locates, access preparation, and scheduling contractors and GeoDesign staff. • Conduct the following subsurface explorations at the site:  Push to CPT probes to refusal at the site, one in the interior of the site and one near the riverbank. Conduct pore pressure dissipation testing in each of the CPT probes to assist in evaluating the groundwater depth. • Maintain a detailed log of the soil and groundwater conditions encountered in the explorations. Materials will be classified in general accordance with ASTM D2488. • Conduct a laboratory testing program. Specific laboratory tests will be selected based on the subsurface conditions. • Provide preliminary recommendations for: o foundations to support the new amphitheater and, if necessary, cantilever supported path section. We anticipate the amphitheater can be supported on shallow foundations. Deep foundation recommendations and/or ground improvement will be provided for support of the cantilever supported path section if necessary. o site preparation, grading and drainage, stripping depths, fill type for imported material, compaction criteria, trench excavation and backfill, use of on-site soil, and wet/dry weather earthwork. St Helens Riverwalk o permanent and temporary slopes. o preparation of the subgrade for floor slabs and hardscapes. o managing identified groundwater conditions that may affect the performance of structures. o design criteria for retaining walls, including lateral earth pressures, backfill, compaction, and drainage. • Evaluate the potential for liquefaction and lateral spreading at the site and provide mitigation options, if necessary. • Provide seismic design parameters in accordance with the 2018 IBC. We assume a site-specific seismic hazard report will not be required. • Provide a written geotechnical engineering report summarizing the results of our geotechnical evaluation and recommendations.

Geotechnical Investigation. Note: Because geotechnical investigations can take place at various times in project development (sometimes before the full extent of other project elements are known); they may be reviewed independently of the larger undertaking. If there is activity occurring off existing road prism, bridge structures, or previously disturbed areas of a material site: • Streamlined review documentation must specify the means of access to the investigation site(s), e.g., helicopter, tracked vehicle, etc. • APE must include access and maneuver areas, including any proposed areas of land clearing. The PQI may consult informally with the SHPO to clarify and resolve situations where geotechnical activities have low or no potential to adversely affect historic properties. In such cases, the PQI must attach documentation of the resolution to the streamlined review form. 2.r Construction of new roundabouts, or removal, replacement, upgrade, or rehabilitation of existing ones. The APE must include properties subject to • Right of Way (ROW) acquisition • change in access • potential visual effects, e.g., adjacent first tier properties from which a new roundabout may be visible If the roundabout is new, the PQI must apply Historic Roads Analysis (below)*.

Geotechnical Investigation. Field Exploration

Geotechnical Investigation. The MDO shall carry out Geotechnical Investigation in the coal block. The work shall be completed by own or by engaging suitable agency for which the work executing firm should have experience in this field and should have carried out to any of the Government or any mining projects. The MDO shall obtain approval from TANGEDCO before awarding the work.

Geotechnical Investigation. A. Perform in accordance with the District’s Geotechnical Investigation Guidelines and other District requirements. i. Field Reconnaissance and Review of Prior Information a) PER Review b) Site visit to map areas of distress ii. Ii. Field Exploration a) 5 borings of 30 ft. each, using ATV mounted drill rig