Products and systems for the protection and repair of concrete structures. Test methods. Determination of carbonation depth in hardened concrete by the phenolphthalein method1 Scope The phenolphthalein test method is intended to measure the depth of the carbonated layer near the surface of hardened concrete. It is not suitable for concrete made with calcium aluminate cement. It may be used on site or in the laboratory, on test specimens or on cores or fragments removed from hardened concrete structures.

h)     The standard now permits the passing on of a screening file from job to job

EN ISO 15607:2003 and EN ISO 15614-1:2004

in clause 8

PD CLC IEC/TR 62453-52-31 is a part of the IEC 62453-52-xy series

reduce negative effects on the environment

resolution

whether or not it’s interested in seeking certification

or used in pre-cast elements

application and use of thermostatic radiator valves (TRV) manufactured in accordance with BS EN 215-1 for use in domestic and commercial wet central heating systems up to a water temperature of 120 °C

7 Identifying appropriate schemas

It also specifies the proportions and dimensions of the graphical symbols used for this representation

General principles for expressing and structuring ODP system specifications using UML