actualizacion de normas contenidas en el d.s. n 47 de 1992 - ordenanza general de urbanismo y construcciones y el d.s. n 10 de 2002 - crea registro oficial de laboratorios de control tecnico de calidad de construccion y aprueba reglamento del registro relativas a hormigon y morteros update of standards on concrete and mortars contained in supreme decree d.s. no. 47 of 1992 - general ordinance on urban planning and construction and supreme decree d.s. no. 10 of 2002 establishing the official register of laboratories for the technical control of construction quality and approving the regulations governing registration ol start1 the general ordinance on urban planning and construction oguc regulates the general law on urban planning and construction and governs the administrative procedure urban planning process urbanization process construction process and technical standards for design and construction established by these two laws. in accordance with the above the following standards developed by the national institute of standardization of chile inn have been incorporated into the general ordinance on urban planning and construction linch1170 2012 - hormigon - ensayo de traccion por hendimiento official chilean standard nch no. 1170 2012 - concrete - test for splitting tensile strength li linch1171 1 2012 - hormigon - testigos de hormigon endurecido - parte 1 extraccion y ensayo official chilean standard nch no. 1171 1 2012 - concrete - concrete cores - part 1 obtaining and testing drilled cores of concrete li linch1498 2012 - hormigon y mortero - agua de amasado - clasificacion y requisitos official chilean standard nch no. 1498 2012 - concrete and mortar - mixing water - classification and requirements li linch2182 2010 - hormigon y morteros - aditivos - clasificacion y requisitos official chilean standard nch no. 2182 2010 - concrete and mortar - admixtures - classification and requirements li linch163 2013 - aridos para morteros y hormigones - requisitos official chilean standard nch no. 163 2013 - aggregates for mortars and concrete - requirements li linch1116 2008 - aridos para morteros y hormigones - determinacion de la densidad aparente official chilean standard nch no. 1116 2008 - aggregates for mortars and concrete - determination of apparent density li ol