for students, known as "residential college" or kolej kediaman. Before the UPM's Governance Transformation Plan, there were 17 residential colleges in Serdang campus and one in Bintulu campus. The residential colleges in Serdang campus can be divided into four zone, which are lembah, pinggiran, bukit and serumpun. The Tenth College (K10) and the Tan Sri Mustaffa Babjee College (KMB) are two colleges at zon pinggiran because they are distant from other colleges, located at northeast and southwest of UPM respectively. K10 accommodate the students from Faculty of Engineering and Faculty of Design and Architecture while KMB accommodates the students from Faculty of Veterinary Medicine and Faculty of Medicine and Health Sciences. The Twelfth College (K12) and Fourteenth College (K14) are located at zon serumpun and known as "Serumpun Colleges". They are built by PJS Development, a private construction company through the form of BOT. However, the Mohamad Rashid College (KMR) is temporarily relocated to the Block P1 and Block P2 of Serumpun since 2019. After the relocation of KMR, its original site is transformed into KMR OnePUTRA Residence that managed by UPM Holdings. The Sri Rajang College (KSR) is the only residential college in Bintulu campus, consists of 10 blocks that could accommodate up to 1,560 students. The Governance Transformation Plan in 2019 has restructured the residential colleges in Serdang campus. Most of them have been merged with another college to save costs and improve administrative efficiency. As of 2022, the list of residential colleges is as follow: Libraries UPM has one main library and three branch libraries in Serdang campus, and one library in Bintulu campus. The Sultan Abdul Samad Library (Malay: Perpustakaan Sultan Abdul Samad, abbreviation: PSAS) is the main library of UPM. It existed before the establishment of UPM in 1971. The library was renamed the Sultan Abdul Samad Library and inaugurated on 23 May 2002, named after Sultan Abdul Samad, the fourth Sultan of Selangor. PSAS consists of block A and B (completed in 1982 and 1969 respectively), with total floor area of 19,007 square metres. Another three branch libraries in Serdang are Medicine and Health Sciences Library (1998), Veterinary Medicine Library (1999), and Engineering and Architecture Library (2008). The library in Bintulu start operating when the campus was reopened in 2001. Main hall The Sultan Salahuddin Abdul Aziz Shah Arts and Cultural Centre (Malay: Pusat Kebudayaan dan Kesenian Sultan Salahuddin Abdul Aziz Shah, abbreviation: PKKSSAAS)