Specifications include, but are not limited to: Construction of Prairie Rose trail includes a base bid and three alternates. The base bid extends from NW Venture Drive to north of NW Douglas Parkway. The work includes grading, PCC trail paving, PCC paving, storm sewer, two prefabricated bridges with prefabricated abutments, pavement markings, signing, and associated work. Alternate 1 extends from the Racoon River Valley Trail along Hickman Road to NW Venture Drive. The work includes grading, PCC trail paving, and associated work. Alternate 2 extends from NW Venture Drive along NW 2nd Street approximately 1100-feet to the NW. The work includes grading, PCC sidewalk paving, and associated work. Alternate 3 extends from approximately 300-feet from NW Woodmoor Drive along NW Douglas Parkway for approximately 300-feet. The work includes grading, PCC trail paving, and associated work. The kinds of materials, estimated quantities, and work to be done for the project on which bids will be received are as shown on the bid proposal for said project. All work is to be done in strict compliance with the Plans and Specifications prepared by the Engineer which have been heretofore approved by the City Council and which are now on file for public examination in the office of the City Clerk.