November 2011 until March 2012, Coffral installed one of the tallest scaffolding formwork ever in the Philippines. The location of the scaffolding is Holcim Nozagaray. This structure was built with Ringlock modular scaffolding up to a height of 45 meters. The use of the this Ringlock structure is for Retrofitting of Silo 9 with post-tensioning cable.