Class Codes & Rates:

Code 6319 is applicable to the construction of gas mains, steam mains, water mains or construction that connects these types of mains. Separately rate tunneling in connection with this type of construction unless the tunneling is conducted at street crossings without the use of air pressure. The construction of pipelines from natural gas producing fields to local distribution systems is also separately rated. The excavation of land, when performed by the contractor who is engaged in the construction or installation of mains, is additionally contemplated by Code 6319 as is any landscaping work performed in connection with the construction operations.