RIHSPI Weekend Trip: September 20, 2008.
Pre-stressed concrete ties stored beside Horace Higgins Hall, Philippine National Railways Compound, Caloocan City.
RIHSPI members followed the rows of pre-stressed concrete ties and discovered the production area inside the Engineering Department compound of PNR.
More pre-stressed concrete ties stored inside the compound.
A peek inside the mold.
Workers busy preparing the steel bars with Pandrol shoulders.
An unknown machine being used to prepare the steel bars.
The concrete mix plant.
Pouring concrete inside the mold.
Preparing for hardening. Twenty four hours under the canvas with steam.
Special thanks to Mr. Anonuevo for letting us view the production process. Mr. Anonuevo learned the production process from John Holland in the early 1990s.
