Pond Liner Company - CLI Logo

Certified Installation

Colorado Lining is  committed to excellent training, processes, and leadership within the geosynthetic community, which is why CLI is an active member of the International Association of Geosynthetic Installers (IAGI).

Approved Installation Contractor - IAGI

IAGI Approved Installation Contractor (AIC)

CLI is an Approved Installation Contractor, which is a program that aims to promote industry growth and provide better quality workmanship. The program recognizes geosynthetic installation companies that meet a minimum level of   professionalism, ethics and business practices. Approved Installation Contractors must meet requirements in the following areas: corporate   history and business practices, insurance verification, safety training,   and professional competence and experience. Click on the links below   for additional AIC program information.        

Some of the elements that must be submitted for AIC third-party review and verification include:                  

  • Minimum of 5,000,000 square feet installed annually
  • Insurance and bond requirements
  • Health and safety orientation programs
  • Drug-free work program
  • Resumes of key personnel – professional competence/experience
  • Fifteen percent of crews must be Certified Welding Technicians
  • Current letters of reference from engineers, contractors/owners & geosynthetic manufacturer
Certified Welding Technician - IAGI

Employing Experienced Certified Welding Technicians (CWT)

CLI Supervisors and many of our crew members are IAGI Certified Welding Technicians. The purpose of IAGIs Certified Welding Technician (CWT) program is to   recognize the knowledge, experience and skill of installers in Polyethylene, PVC, Reinforced and EPDM geomembrane welding. The programs reward those who qualify with   industry recognition. The  geomembrane welders certification program was developed so installers could define   standards of proficiency, recognize the knowledge, experience and skill   of installers, and reward those who qualify with industry recognition.

Engineers and job site owners benefit from IAGIs Certified Welding Technician (CWT)   programs because certification verifies that the welders on their job have experience in welding. Additionally, engineers can specify that the polyethylene or reinforced geomembrane welders are certified for the   type of welding they will perform. The CWT program certifies welders for both extrusion and fusion welding methods.


To learn more about each program, visit IAG's website.             

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