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.

against which actual cost performance can be tracked and assessed over the asset life span

A videotape recorder (VTR) is a tape recorder designed to record and playback video and audio material from magnetic tape

It also defines the maintenance

Ageing refers to all "slow and irreversible" changes in the properties of a material resulting from its instability

Why should you use ISO 13854- Minimum gaps for machinery safety

Revision of short-circuit requirements for the distribution and substation voltage regulators

or with D and D/2 pressure tappings

Annex E (normative) Method to assess the resistance of the coating to specific corrosive products

lower heat release

you would be able assess PVC-O for characteristics such as tensile strength

BS EN 60335-2-29 specifies particular requirements for battery chargers that help to manufacture battery chargers that comply with regulatory authorities and are safe for the users

Note: The recommendations contained in this BS 5534 might not be appropriate for the re-slating or re-tiling of some old roofs