Standards
General requirements for the operation of a laboratory
This standard specifies requirements for the operation of laboratories and is applicable to all laboratories regardless of the number of personnel or the extent of the scope of testing activities.
This standard is for use by laboratories in developing their quality, administrative and technical systems that govern their operations. Any party may use this standard when confirming or recognising the competence of laboratories.
GYS 170
-
2021
GYD 7,200
32 pages
Specification for Rotationally moulded polyethylene water storage tanks
This standard covers flat-bottomed water storage tanks of circular cross-section manufactured from unreinforced polyethylene by the process of rotational moulding. Included are requirements for physical characteristics, dimensions, materials performance, testing marking and labelling.
This standard covers flat-bottomed water storage tanks of circular cross-section manufactured from unreinforced polyethylene by the process of rotational moulding. Included are requirements for physical characteristics, dimensions, materials performance, testing marking and labelling.
These specifications apply to tanks intended for:
(a) The storage of potable water at normal atmospheric pressure;
(b) Installation and use at environmental or service temperatures such that the material of tank remains between 15 °C and 80°C; and
(c) Vertical, above- ground installation on fixed, flat, fully- supporting bases.
GYS 588
-
2023
GYD 6,100
27 pages