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JPedia is an online encyclopedia made up of knowledge resources
collected and organized to promote knowledge sharing and support
continuous learning among JKR staff.

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Featured Article

Biological Hazard
Biological Hazard

Biological hazard also known as biohazards, refer to biological substances that pose a threat to the health of living organisms, primarily that of humans. This can include medical waste or samples of a microorganism, virus or toxin (from a biological source) that can impact human health. It can also include substances harmful to animals. The term and its associated symbol is generally used as a warning, so that those potentially exposed to the substances will know to take precautions.

Level of Biological Hazard The United States' Centers for Disease Control and Prevention (CDC) categorizes various diseases in levels of biohazard, Level 1 being minimum risk and Level 4 being extreme risk. Laboratories and other facilities are categorized as BSL (Biosafety Level) 1-4 or as P1 through P4 for short (Pathogen or Protection Level).

Biohazard Level 1: Bacteria and viruses including Bacillus subtilis, canine hepatitis, Escherichia coli, varicella (chicken pox), as well as some cell cultures and non-infectious bacteria. At this level precautions against the biohazardous materials in question are minimal, most likely involving gloves and some sort of facial protection. Usually, contaminated materials are left in open (but separately indicated) waste receptacles. Decontamination procedures for this level are similar in most respects to modern precautions against everyday viruses (i.e.: washing one's hands with anti-bacterial soap, washing all exposed surfaces of the lab with disinfectants, etc). In a lab environment, all materials used for cell and/or bacteria cultures are decontaminated via autoclave.

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Guidelines for Slope Design
Guidelines for Slope Design

Over the years, JKR had been involved in the design and construction of slopes especially in road construction in hilly terrain. The design of roads was usually based on the conventional technique of balancing cut and fills with the slope gradient of 1V:1H to 1V:1.5H for the cut areas and 1:2 for the fill areas. Landslide records from years 1966 to 2003 show that 42% of landslides occurred in hilly terrain areas and more than 90% occurred in developed areas (infra/residential/commercial).

In 2004, Malaysian Government directed JKR to establish a new branch called the Slope Engineering Branch. This branch has since been involved in mitigation, research and development, risk management, safety and planning on slope and etc. The branch has also been tasked with investigation works for landslides under a working committee called Jawatankuasa Kumpulan Kerja Tanah Runtuh (Landslide Group Working Committee). The Committee is headed by JKR with the Slope Engineering Branch acting as the Secretariat.

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Featured Knowledge Assets

Collection of Articles In FB
Collection of Articles In FB

Collection of Articles In FB merupakan hasil nukilan perkongsian ilmu oleh YBhg. Dato’ Ir. Dr. Haji Hasnul bin Mohamad Salleh, mantan Timbalan Ketua Pengarah Kerja Raya (Sektor Infra) yang telah dikongsikan melalui laman Facebook beliau.

Koleksi artikel ini yang dibahagikan kepada 8 topik utama termasuk Project Management, Asset Management, Risk Management dan Change Management ditulis berdasarkan kepada pengalaman luas selama 34 tahun YBhg. Dato Ir. Dr. Haji Hasnul bertugas di pelbagai pejabat di antaranya Cawangan Kerja Tentera, Melaka, Cawangan Bekalan Air Ibu Pejabat JKR, Kementerian Tenaga, Air dan Komunikasi Malaysia, Cawangan Kejuruteraan Senggara, Ibu Pejabat JKR Malaysia dan Cawangan Jalan Ibu Pejabat JKR Malaysia.

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  • [Community of Practice] – The purpose of JCoP is to cultivate a ‘guided’ knowledge sharing environment in an organization.