Urban development in Nottinghamshire (UK)

30% time saving at sewer installation in Nottinghamshire (UK)

Challenge

Warsop, a civil parish on the edge of Sherwood Forrest in Nottinghamshire (UK), was planning a new housing estate as part of their urban development. Severn Trent Water, the regional state-owned water authority, was responsible for the sewer infrastructure in the area. For this new development they needed to extend the existing pipeline, involving both wastewater and sewerage pipes and manhole construction. Preferably in the shortest amount of time to limit the disruption of existing traffic.

Nottinghamshire - Trace - TrelleborgOur activities

In partnership with Tracey Concrete, who provided the concrete pipes and pre-fabricated manholes, Trelleborg supplied the seals that were needed to join the concrete fixtures and provide a watertight seal. Two types of seals were selected, not only for their high quality, but also for their ease of installation and time saving properties.

By casting the Trelleborg F-165 seal into the concrete pipe, the time saved upon installation was about 30%. By choosing the pre-lubricated Trelleborg F-118 seal for the manhole, workmen didn’t have to lubricate the seal on site, facilitating the installation in the trench.                          

Product details

F-118 is a pre-lubricated sliding seal that is stretched onto the spigot of the manhole. Additional lubricant is not required for joint assembly. The joint design is standard in many countries. The seal is designed with a sliding mantle which is internally lubricated. The mantle is fully closed to ensure the lubricate stays in place. During installation the thin mantle slides over the body of the seal. This design permits installation with very low force, as there is no friction between rubber and concrete. The special design of the joint and seal make the system easy to center during jointing (self jointing). 

Learn more about the solution used in this project

Find detailed related information on our products pages

Forsheda 118. Trelleborg

Introducing the F-118

Pre-lubricated seal for concrete manhole systems

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