Specifications include, but are not limited to: Proposed Parking Lot Improvements - Ottumwa Community School District- Ottumwa, Iowa - 2022The project includes two alternates. Alternate 1 shall be for 6-inch reinforced PCC pavement with integral curband gutter. Alternate 2 shall be for 7-inch HMA pavement with 30-inch PCC curb and gutter. The project consistsof the following items and approximate quantities for Alternate 1: 10,279 C.Y. of excavation, Class 10; 4,140 S.Y.of pavement, 6” Class C, PC concrete reinforced; 590 S.F. of retaining wall, Rosetta Grand Ledge; 660 S.F. ofretaining wall, modular block; fertilizing, seeding, and mulching; and miscellaneous appurtenant work usuallyassociated with a parking lot improvement project. The project consists of the following items and approximatequantities for Alternate 2: 10,279 C.Y. of excavation, Class 10; 1,177 L.F. of 30-inch reinforced PCC curb andgutter; 3,521 S.Y. of hot mix asphalt pavement; 590 S.F. of retaining wall, Rosetta Grand Ledge; 660 S.F. ofretaining wall, modular block; fertilizing, seeding, and mulching; and miscellaneous appurtenant work usuallyassociated with a parking lot improvement project.