INDOT Design Memo 16-35 Technical Advisory Undistributed Quantities
Design Memo 16-26 Technical Advisory, Underdrain Outlet Protector, describes changes to the underdrain outlet pipe configuration and outlet protectors. The referenced RSP and RPD are effective for July lettings. For affected contracts whose RFC date has passed, the RSP and RPD have been added to the CIB based on the inclusion of a 718 pay item.
On May 20 INDOT released Design Memorandum No. 16-21 Technical Advisory: Semi-Smooth Pipe Interior Designation. All current and archived design memos can be found on the Department website at http://www.in.gov/dot/div/contracts/standards/memos/memos.html. Direct questions to Elizabeth Phillips, INDOT Standards and Policy Division of Bridges at (317) 232-6775.