CORING
NWCWprovides concrete coring up to 24″ in diameter. Offering this service allows NWCW to ensure live sewer connections and time sensitive work can be completed in-house without delays.
MANHOLE REHAB
NWCW offers leak stoppage, crack injection and repairs, regrouting, ladder and step replacement and channel lining and repairs.
MANHOLE COATINGS
Certified Spray Wall Applicator Certified Raven Applicator Adhesion Testing Holiday Testing
OIL WATER SEPARATOR MAINTENANCE
NWCW provides maintenance and repair of oil water separators. Services may inclide baffle replacement, chemical grouting, crack injection, grouting repair and coating.
VACUUM TESTING
NWCW offers vacuum testing of sewer manholes.
CHEMICAL GROUTING
ASPHALT & CONCRETE SAW-CUTTING
PRESSURE GROUTING/LEAK STOP
INSTALLATION OF STEPS/LADDERS