21. On November 27, 1978, the diversion tunnels were closed and water began to back up behind the dam. 22. There is one permanent diameter, long, diversion tunnel in the north river bank serving as a bottom outlet. 23. The spillway tunnel was then constructed, which dropped at a 45-degree angle to intersect with the diversion tunnel . 24. Several sites from this era, including the Jordan River Diversion Tunnel , are listed in the Victorian Heritage Inventory. 25. Today, the diversion tunnel and some " slag " are about all that remain of his mill operation. 26. In October 2011, the diversion tunnel intended to divert the Neelum River around the dam site was completed. 27. Repairs were made and another unsuccessful impounding was reached in April 2014 as the diversion tunnels continued to leak. 28. The diversion tunnel is wide, high, and long and was tunneled through solid rock and then lined with concrete. 29. Work on the diversion tunnel -in diameter and in length-began in late 1946 on the southern side of the site. 30. On 24 December 2014 a wall near the diversion tunnel 's intake collapsed, killing four workers including a Chinese engineer.
