The Department has provided a special revision until a CT can be sent out this summer to revise the RC-30 for flowable fill requirement. Under section (f) paragraph 2 you will find a description stating that this will be used for resiliency measure for pipes 36 inch and greater only. See attached Special Revision for full disclosure. IF you have any questions please contact Aaron Hoover (ahoover@paconstructors.org) at the APC office.