Title
SPAN Technical Specification (TS): Sludge/Residuals treatment – Sludge thickener and dewatering
Commenting Period
26/10/2020 – 26/11/2020
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The technical Specification (SPAN-TS) was developed from Suruhanjaya Perkhidmatan Air Negara (SPAN) initiatives as a regulatory body for the water supply and sewerage services to provide requirements, specifications, guidelines or characteristics that can be used to ensure that materials, products, processes and services are fit for their purpose. This technical specification was developed as a guide to qualify sludge and thickening equipment for water treatment and sewage treatment systems.

The technical specification provides the requirements on the material used for the construction of the equipment, the design criteria for thickener and dewatering equipment, the performance, acceptance criteria and test requirement for type of equipment, the service life for motors used in the system, the safety consideration during installation and operation of equipment, and the requirements on marking of equipment that need to be followed by equipment manufacturers.

This standard was developed with the following objectives:
a) to provide a comprehensive standard that prescribes requirements for mechanical sludge treatment equipment;
b) to assist the industries to certify their products against a given standard; and
c) to provide the regulatory bodies a standard for monitoring and qualifying products for use in water treatment system and sewage treatment system.