Raven Lining Systems
13105 E. 61st Street,
Broken Arrow, OK 74012
National Water Main has operated for over 50 years as an experienced industrial and municipal specialized maintenance contractor.
Boston Water and Sewer Commission
Date of Project:
Type of Structure(s):
A 54″ diameter brick pipeline
Condition of Structure(s):
Moderate structural deterioration exhibited in loss of bricks in crown and mortar throughout top 270° of pipeline.
Description of Application:
Rehabilitation included bypass, pressure grouting, repair mortar and 250 mil topcoat of Raven 405. Quality control testing upon completion included holiday detection to ensure pinhole free corrosion barrier and testing for adhesion of the coating system to host the structure.