Specifications include, but are not limited to: The project
will consist of removal and disposal of approximately 2,600 cubic feet of spent GAC, sand and gravel, demolition and disposal
for the existing underdrains from each of three filters [Filters#1, #3 and #6] at Riverside; installation of new underdrains, new
sand, new gravel and virgin GAC into the same three filters according to following specifications. Removal and disposal of
remaining anthracite and existing underdrain from one filter at Airlite[Filter#2A]; installation of new underdrain, new anthracite
according to the following specifications.