1.1 The purpose of this Statewide Contract is to provide multiple types and sizes of drainage pipes and pipe liners. The drainage pipes and pipe liners will be used for projects throughout the State and will be delivered to any Tennessee Department of Transportation (TDOT) storage site or Authorized User project site (see Attachment A: Location List). Additionally, this contract shall include pump in place grout service. The grout will be installed in the annular space between the liner and existing pipe to be performed on various project sites throughout the State of Tennessee. 1.2 The absence of a detailed specification or description does not limit the quality of products rendered and shall be recognized as meaning that only the best commercial practices are to prevail and that only first-quality materials and workmanship are to be used and will be acceptable. Work shall comply with all industry standards and guidelines including the TDOT 607G Specification which is included as Contract Attachment B. 3. Pipe Specifications 3.1 Corrugated Metal, Aluminized Culvert Pipe and Pipe Bands (Round) ▪ Contractor shall comply with all standard specifications as detailed in AASHTO M-274 as may be amended. See TDOT standard drawing D-PB-2 (Attachment C). 3.2 Corrugated Metal Aluminized Culvert Pipe and Pipe Bands (Arch) ▪ Contractor shall comply with all standard specifications as detailed in AASHTO M-274. See TDOT standard drawing D-PB-2 (Attachment C). 3.3 Concrete Drainage Pipe ▪ This pipe shall meet the requirements of subsection 914.02 of the 2021 TDOT Standard Specifications for Road and Bridge construction. See TDOT standard drawing D-PB-1 (Attachment D). o The 2021 TDOT Standard Specifications for Road and Bridge Construction can be found
