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n <br /> CHASTAIN <br /> &ASSOCIATES LLC 5NCwrMClub Rom 217-429-8800 <br /> CONSULTING ENGINEERS DECATUR ILLWOIS 62521 FAX:217-4210398 <br /> December 10,2013 <br /> Re:Addendum No, 4 <br /> Lake Decatur Dredging and Oakley Sediment Basin Rehabilitation project <br /> The following information is made a part of this contractPe r the followin instructions and <br /> g <br /> attachments: <br /> DRAWINGS <br /> Item 4:Drawings 3 &5-Deleted Storm Sewers Class A 12" and revised Manhole Removal <br /> ' quantity. <br /> (ATTACHMENTS) <br /> Proiect Manual <br /> Item 1: Pages 13-15A of Bid Proposal:A revised Bid Form showing revised pay items and <br /> quantities for revisions to Drawing 3 above. <br /> (ATTACHMENT) <br /> Additional Information <br /> 1. Is bedding required for Stone Dumped Riprap CL A 4 drawing shows it but with IDOT <br /> ' pay item its not required? Bedding.is required for CL A 4 Riprap per section 281 of <br /> the SSRBC. <br /> 2. FillingManhole 5 each <br /> do you have a depth for those and a length of pipe that needs to be <br /> fill I see its incidental to manholes but a length would be helpful ? <br /> Location Manhole ole De th Length Pi (Estimated) <br /> P t Pe(Es ) <br /> 430+58 10.65' 48' <br /> ' 243+17 15.65' 64' <br /> 501+30 16.15' 64' <br /> 517+00 11.45' 50' <br /> 328+03 14.25' 70' <br /> 1 <br /> ' - _ 11Page <br />