Storm-water Pipeline Filled with Benefil - Mainmark
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Storm-water Pipeline Filled with Benefil - Mainmark
WaterCare Services Ltd was required to fill 300 linear metres of storm-water line beneath Greenhithe,. Auckland. The cou
PROJECT PROFILE Z14 Z014
Storm-water Pipeline Filled with Benefil INDUSTRY
Industrial STRUCTURE
Pipeline PROBLEM
Void filling & sealing LOCATION
Auckland, New Zealand DURATION / YEAR
4 hours / 2013 TECHNOLOGY
Benefil BUSINESS UNIT
Mainmark New Zealand
Summary WaterCare Services Ltd was required to fill 300 linear metres of storm-water line beneath Greenhithe, Auckland. The council-owned pipeline, of DN 150, had previously been de-commissioned. However, as a compliance and safety issue, it had to be filled to prevent the possibility of dangerous collapse at some future date. Using Benefil light-weight engineering filler grout, we completed the project for WaterCare Services very economically, with minimal interruption to traffic and in the very short time of just four hours.
The work was completed in just four hours. There was no disruption to traffic nor to the residents of Greenhithe. The whole storm-water pipeline was filled as required with Benefil foam grout of sufficient density to preclude any possible disastrous future collapse. Complete filling was achieved in such a short time that the WaterCare Services engineers were perfectly happy with the whole procedure and the resulting success.
Objectives The aims were to completely fill the pipeline, making it as safe as possible and to do this economically, rapidly and with the least possible interruption to traffic and residents in this busy suburban area.
Solution The Benefil amino-plastic expanding foam filler-grout was injected from just one central access point, a very small excavated site. The entire 300 linear metre line was filled from this point and in just one Benefil injection run.
Above, far: The storm-water pipe-line ran for 300m beneath Roland Road and Oscar Road in the Auckland suburb of Greenhithe. Above, below: Benefil injection pipes ran in both directions to complete the fill from just one central point in only four hours.
