New HDD HDPE model specifications available from Plastics Pipe Institute

A new document for small and large-diameter high-density polyethylene (HDPE) PE4710 pressure water piping systems using horizontal directional drilling (HDD) is now available. MAB Model Specification for the Installation of PE4710 Water Service, Distribution, and Transmission Pipes by Horizontal Directional Drilling (MAB-11-2024) is available for free download at www.plasticpipe.org/mabpubs. It was developed by the Municipal Advisory Board (MAB), and published with the help of the members of the Plastics Pipe Institute (PPI).

Covered in the document are Maxi-HDD and Mini-HDD operations with sections devoted to Subsurface Investigation, Equipment and Supporting Systems, Regulations, Safety, Environmental Practices plus other steps required for the successful HDD installation of HDPE PE4710 pipe.  It also contains verbiage that can be directly used in bid documents and includes guidance on submittals and closeout/payments.