Pipeline construction in NOVA`s Alberta Gas Transmission Division

NOVA Corporation of Alberta is a major Canadian energy company involved in natural gas transportation and marketing, petroleum, petrochemical manufacturing, consulting and research. The Alberta Gas Transmission Division (AGTD) of NOVA Corporation has installed more than 14,000 km of primarily natural gas pipeline since its inception in 1954. It continues to operate and maintain and expand this system. This paper discusses Alberta government pipeline regulatory requirements as they apply to NOVA`s AGTD activities. It also outlines the summer construction topsoil handling techniques of no topsoil stripping, ditchline stripping, blade width stripping, ditchline and spoil side stripping and ditchline, spoil side and work side stripping. The paper concludes with a discussion of the winter construction soil handling techniques of ditchline stripping and no topsoil stripping.