![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8qviyfvv7xDZcgOVZ82puObtWunK8UUwwgW_ZSmrBVZm6MMx0-k-PUqio672p785fWx9bK-888Km0eNCV0y_wIm_k94TJE6ZZoixowmYK3ugKqRPYgbBuyllEXg-0n-d_BIa2zn-vs1Bg/s320/duct_110614a.jpg)
Instead of putting it in up front (which hinders the movement of the digger), we are instead installing it afterwards by digging a trench, placing the pipe and filling it back in.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixyAEktKV6wlNKThXilC7vawDv3ka04pvWro4nfrCzhEVZIc2xOPfGs-t2hqMOiFAP_d5krI9wpUDT-orlatqwhLUYCftsGZWYqkdjeQzWGWPldwplXNjULYYK-oEeXZ8G8vfdEUlKIl5Z/s320/duct_110614b.jpg)
Each drain pipe crosses the entire HBA array and deposits its water off the southwest face of the mound.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVA9jscONJAQL9VI2l6graMncpznreUGvsJO1KkIXqplpH-jgDVsSzR0KQ8t_tbvSWC9nkyJU3BHnehVTSFACZ0XSvJ4P3CdPHuPR_3WnnHxglD7FLuIhF91nDTfKOnWkjpgPRS5LKFqU_/s320/duct_110614c.jpg)
Photos: D. McKay-Bukowski
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