provides three rehabilitation programmes. The Medium Intensity Rehabilitation Programme is designed for prisoners in the middle risk range – those not considered high risk but still enough of a risk to warrant rehabilitation. The Short Rehabilitation Programme is a brief rehabilitation programme aimed at a smaller number of prisoners who require rehabilitation but do not have enough time in their sentence to complete a longer programme. OCF also has a Drug Treatment Unit for prisoners with drug and alcohol problems. Invercargill Prison Invercargill Prison, in Invercargill, holds about 165 prisoners. Built in 1910, the prison operated as a borstal until 1981. In 2012 a rehabilitation programme was introduced at Invercargill Prison. Youth justice residences There are four youth correctional facilities, termed youth justice residences, located in Auckland, Rotorua, Palmerston North and Christchurch. Only the Auckland facility is licensed to take young offenders sentenced to imprisonment under the Sentencing Act 2002; the other three only take young offenders sentenced to residence under the Child, Young Persons and Their Families Act 1989. All youth justice residences are operated by Child, Youth and Family. Closed facilities Addington Prison Located in the Christchurch suburb of Addington, the prison was built in 1874 under the guidance of Benjamin W. Mountfort, who also designed the Christchurch Cathedral, the Canterbury Museum and the Canterbury Provincial Council Chambers. Addington Prison was closed in 1999 and has been converted into a budget backpackers called Jailhouse Accommodation. The Mountfort cell block and remaining perimeter walls are a Heritage New Zealand Historic Place Category 2. Dunedin Prison Dunedin Prison was built (completed) in 1896 and operated until 2007 when all prison services in the region were shifted to the new Otago Corrections Facility near Milton. Napier Prison Napier Prison opened in 1862 on Bluff Hill in Napier. It closed in 1993, with prisoners transferring to Hawke's Bay Regional Prison. New Plymouth Prison New Plymouth Prison used to hold up to 112 minimum to high-medium security prisoners and employed 65 staff. The prison also accommodated offenders on remand. The prison was originally an army hospital in the 1860s during the Taranaki land wars. The site was converted to a prison later that decade. From 1917 to 1952 it held mainly prisoners convicted of homosexual offences. In 2012, Corrections Minister, Anne Tolley announced it would be closed "because old prisons didn't suit modern rehabilitation training and education methods." It closed in 2013. Ohura