Specifications include, but are not limited to: Removal & disposal or abandonment-in-place of existing stone masonry culvert, and associated drainage structures and pipes; · Installation of a three (3) foot by eight (8) foot closed precast concrete box culvert sections including culvert transitions and bend sections; · Furnish and installation of new drainage manhole and catch basin structures, castings, and drainage pipes; · Modifications to existing utility (sanitary sewer, storm water, water) pipelines and structures, including (but not limited to) removal or abandonment-in-place, replacement, and new installation of sewer lines and manholes, and water lines and valves; · Temporary flow diversion and/or bypassing of stormwater and sanitary sewage flows; · Other related civil/site work necessary to complete the project as designed; · Refer to Section 01010 for schedule limitations and sequence of operations.