Aux Sable Phases Pipeline Replacement

  • Aux Sable Phases Pipeline Replacement
  • Aux Sable Phases Pipeline Replacement
  • Aux Sable Phases Pipeline Replacement

Overview

Client: Nicor/Sourthern Company

Location: Warrenville, IL to Unincorporated Will County

Description

As part of their commitment to ensure safe and reliable service to their customers, Nicor Gas is making enhancements to portions of its natural gas transmission system replacing aging 30” main with 36” main transmission pipeline.

This is a multi-phase initiative, with approximately 19 miles of pipeline having already been replaced in phases I through IV. During phases V through VII, approximately 20 miles of Nicor Gas natural gas transmission pipeline will be replaced throughout Will and Kendall Counties.

d’Escoto, Inc. is providing pipeline inspection services for Phases V through VII over a three-year timeframe. Our scope of services includes providing inspection services for the construction, installation, and commissioning of these phases.

  • Phase V consists of the removal and replacement of 6.87 miles of 36″ pipe with AC mitigation system and a 36″ mainline valve.
  • Phase VI consists of the removal and replacement of 5.69 miles of 36” pipe with AC mitigation system and two 36” mainline valves.
  • Phase VII consists of the removal and replacement of 7.1 miles of 36” pipe with AC mitigation system and two 36” mainline valves.

Services Provided

d’Escoto, Inc. is providing pipeline inspection services for each of these three project phases. Our scope of services includes providing inspection services for the construction, installation and commissioning of these three phases. This three-year project requires an immense amount of coordination and communication between all the inspectors, Project Coordinator – Mr. John Soliz, and Nicor’s Construction Project Management team.

At the start of the project, d’Escoto, Inc. was able to secure and mobilize 10 inspectors within two weeks’ time, as well as additional inspectors as the project progressed.

d’Escoto, Inc. is providing the following positions and services:

  • A Chief Inspector to manage the inspection crew of as many as 17 inspectors, and to take overall responsibility for the successful delivery of each project phase.
  • NACE and General Inspectors to oversee all construction activities and report back to Nicor, as well as review drawings, permit requirements, and all construction plans and specifications. Daily inspection logs will also be completed and submitted.
  • Certified Weld Inspectors to visually inspect each weld joint to verify that a sound weld is produced and to verify welder qualifications and ensure that proper welding processes and procedures are being implemented.
  • Corrosion Inspectors to provide on-site inspection during cathodic protection and AC mitigation installation.
  • Back office support to provide support to the Chief Inspector as needed, which includes finalizing and filing reports and managing payroll and office field equipment and supplies.