Oil Taps Pipework Above Ground Set - Industrial Grey Highly detailed pipe set with 10 taps and 5 pipes. NOT PAINTED. The concrete bund around the pumps is 100mm wide by 60mm deep. The whole set is 60mm wide by 150mm long. 1/76 scale OO gauge 1 small sample bag of grey ballast. Enough to fill the concrete surround with a bit spare.