DESIGN OF HOSPITAL DRAINAGE D.S.Brink Pr. Eng. qualified engineer”, which in terms of the NBR would be a professional registered engineer, which could also be a registered technologist with appropriate experience in hospital services design and it would have to be a “Rational Design”. SANS10400-P is the NBR design and construction standard for the design of a sanitary drainage system of a building and it contains seven (7) “Regulations” which describe the “performance” of a sanitary drainage system for buildings and its premises. These performance regulations are The design of hospitals is under the control of the Department of Health and as per their document R158. This document is unfortunately not complete and does not address the water and drainage systems of hospitals, it only states that it must be “certified by an “appropriately qualified engineer”. It also notes that the design of a hospital must comply with the National Building Regulations (NBR), where there are no specific regulations
drainage system for buildings and also the basis for a RD. Compliance with these performance regulations can be achieved by means of a set of “Deem-To-Satisfy-Rules”, (DTSR) which are basically a “recipe” to follow, which is compulsory if the owner decides to apply it. These DTSR only address two types of buildings, namely housing and office class, and do not address hospitals per se. However, the DTSR have very good
for it in R158. Both R158 and the NBR
“principles” which can be applied in a
do not have specific regulations for
RD for a hospital and it is advisable to
hospital drainage and water systems.
apply these “principles”.
The design therefore must be designed by “an appropriately
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compulsory and form the basis of any
Healthcare Design 2018
Some examples are that horizontal drainage of waste water and soil