Specifications include, but are not limited to: Power clean the manhole walls prior to liner
installation, remove any loose or deteriorated materials, fill voids and rebuild benches.
On Map 4: The plastic liner shall be removed as much as necessary to a point where there is a solid
liner bond to solid concrete wall. The Contractor is required to satisfy the Engineer or Inspector of
the condition. Complete removal of the plastic may be required. Approved Manhole Lining Systems: Raven 405, Sauereisen 210S, Sherwin-Williams Dura-Plate
6100, Sherwin-Williams SherFlex, Spectrashield, Warren Environmental S301 and Zebron. The
new liner shall adhere to the manhole wall, other wall materials or otherwise be anchored to
the wall so it remains in place. All openings, seams and edges shall be sealed with a product
that adheres to all adjacent materials.