BPM projects are let in CMCS under Segment 78 like a routine maintenance contract using "BPS" as the project class. MNT transfers BPM funds to the district's Strategy 144 budget after letting. MNT approval is required prior to contract award for any project that has a low bid greater than 20 percent of the estimate shown on the approved projects list. Districts have signature authority for change orders. Upon request by the district, change orders may be funded with program under-runs if available and with MNT approval.