24-inch Siphon Replacement with Fusible PVC® piping

In January 2018, the City of Sugar Land selected ARKK Engineers as the design engineers for a Siphon replacement project at Oyster Creek. The Oyster Creek Siphon replacement project entailed the installation of a new 24-inch siphon to replace an abandoned 18-inch siphon that crosses Oyster Creek at HWY 59 (within TxDOT ROW) in Sugar Land, Texas. The contract also included the removal and replacement of a 6-inch ductile iron pipe force main, rehabilitation of the siphon outlet structure with an epoxy wall liner, and the installation of new slide gates.

Contractors were given two options for installing the new siphon under the creek: Horizontal directional drilling (HDD) with Fusible PVC^® piping or dry auger jack and bore construction with a restrained joint PVC pipe inside a 36-inch steel casing. There was also some open trench piping installation required for the new 24-inch siphon.

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