IDOT, PTB 187-004: Quality Assurance, Various, Various (Prime Role)
INTERRA was selected by IDOT to provide Phase III professional engineering services. This work which included Quality Assurance for hot mix asphalt (HMA), Portland Cement Concrete (PCC), aggregates, RAP/RAS, and precast/prestressed inspections. INTERRA personnel were assigned to this contract as a full-time Materials Area Supervisor and served as an assistant to District 1 Mixtures Control Engineer Mr. Steve Jones. INTERRA handled certain full-time tasks such as staff management of Quality Assurance efforts in a geographical area for the Mixtures Control Unit, evaluation of laboratory test results, and evaluation of mix designs and new products. Responsibilities also included reviewing Quality Control plans submitted by contractors. Agency and contractor reports were reviewed by INTERRA. INTERRA attended pre-construction and pre-pavement meetings as well as other meetings as needed. INTERRA personnel reviewed and approved new concrete and HMA mix designs from various producers. This process required the knowledge of IDOT databases and IDOT standards and specifications. Responsibilities also included reviewing and submitting PCC and HMA reports for contractors into the IDOT MISTIC database system. Site visits to various construction sites, PCC and HMA plants and laboratories for the required inspections. Additional services and responsibilities included support of District One’s Bureau of Materials staff. Work also included assisting the Mixtures Control Engineer and Material Field technicians in reviewing various material inspections, tracking, and helping resolve material issues, processing various technical test results, preparing for and attending pre-construction meetings, reviewing Quality Control plans, and monitoring project status.
IDOT, PTB 197-002: Quality Assurance, Various, Various (Prime Role)
For this current IDOT contract INTERRA is providing Phase III professional engineering services which includes Quality Assurance services for Portland Cement Concrete (PCC), hot mix asphalt (HMA), Aggregate Gradation Control System (AGCS), Recycled Asphalt Paving (RAP) testing, Recycled Asphalt Shingles (RAS) testing, pipe, precast, and prestressed inspections as needed for IDOT. INTERRA provides many staff handling a variety of Quality Assurance testing and inspection services. In addition, INTERRA Technical Office Staff assist District One’s Bureau of Materials Office Staff within the Illinois Department of Transportation (IDOT) Offices, working on various IDOT contracts. INTERRA reviews MISTIC reports and enters any errors for correction, sort, and file, enter RFA’s into system, sort, and file, enters vehicle information into AMP which includes gas ticket, repairs, emission test. INTERRA performs data entry of various technical lab reports on a mainframe system and electronic database, answers the main call board and records vital information from producers and suppliers regarding inspection requests. Staff compose and edit various forms, letters, memos, and spreadsheets. INTERRA staff also manage the filing system for data collected. The team ensures the vehicle is inspected and meets the Illinois requirements and enters data into an Excel spreadsheet, enters LA-15 data into system, organizes call board for pours, source inspection, and cylinder pickups. Duties are being performed at the IDOT D1 Lab front desk currently per COVID protocol.