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IHC and Ames Construction, Inc. <br /> IHC Job#3097A <br /> Topsoil: <br /> • Topsoil includes stripping, stockpiling and replacing with no import included. <br /> • Topsoil Stripping at 59,460 cy includes the stripping of 12" in farm fields and 6" in all other <br /> locations containing topsoil, <br /> • Of the 59,460 cys approximately 18,500 will be required on the slopes. The balance of <br /> approximately 41,960 cys will be loaded, hauled and stockpiled by Subcontractor near <br /> county road intersections along the project for removal by others. Erosion control for <br /> stockpiles, if required, will be by others. <br /> Storm Drain: <br /> • 12" Riprap includes 6"of Class A Filter and Geotextile Fabric. <br /> • All RCP pipe is Class III. <br /> • Bedding is priced as imported pit material, figured to spring-line. <br /> • RCP flared end sections include an 8" Toewall(reinforced),per WCR-49 IFC details. <br /> • One of the 48"x76" RCPE includes removal of two (2) existing flared end sections and <br /> connecting to the existing pipes (per the profile view notes). Concrete collars were assumed <br /> for the connections. <br /> • Headwalls are included in the Concrete CL B bid item. <br /> Irrigation Structures: <br /> • All irrigation work must be completed during the irrigation no-flow season. The no-flow <br /> season is anticipated to occur between November 1, 2017 and March 15, 2018, but is subject <br /> to change per landowner requirements. <br /> • Irrigation gates and steel grates have been included in the Concrete CL B item. <br /> Irrigation Piping: <br /> • All irrigation work must be completed during the irrigation no-flow season. The no-flow <br /> season is anticipated to occur between November 1, 2017 and March 15, 2018, but is subject <br /> to change per landowner requirements. <br /> • All RCP pipe is Class Ili. Plastic pipe is figured as PIP (Plastic Irrigation Pipe), rated at <br /> 80psi. <br /> • Bedding for all RCP is priced as imported pit material, figured to spring-line. <br /> • Bedding for plastic pipe is priced as imported pit material, figured to 12"over the pipe. <br /> • RCP flared end sections include an 8"Toewall (reinforced),per WCR-49 IFC details. <br /> Base Course Geotextile Reinforcement: <br /> • All base material is priced from the J2 Pit on WCR-58. <br /> • J2's price increase for material has been included. <br /> • All base items for Class 6 are combined. <br /> • Subgrade for PCCP is to be grade ready to pave. <br /> • Subgrade for Asphalt paving is to be grade ready to pave. <br /> • A 6ft paver track line is included in the Aggregate Base Course(Class 6). <br /> • Class 7 material shall be used for shouldering base. <br /> • Geotextile (Subgrade Reinforcement) is a partial item that includes installation only. <br /> Materials to be provided by others. <br /> Schedule B To Subcontract Page 2 of 3 <br />