Stavebnictví

Oblast zaměření: Keramické obkladové prvky
Komise : CEN/TC 67 (Ceramic tiles)
Původce: CEN
K připomínkám do: 22.09.2020
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This document applies to all liquid-applied water impermeable products, based on polymer modified cementitious mortars, dispersions and reaction resin coatings, used beneath ceramic tiling, for external tile installations on walls and floors and in swimming pools.

This document specifies the essential characteristics, the respective threshold levels and test methods for liquid-applied water impermeable products associated with tile adhesives.

This document specifies the assessment and verification of constancy of performance, of liquid-applied water impermeable products beneath ceramic tiling.

NOTE          This document does not contain recommendations for the design and installation of ceramic tiles and grouts in combination with water impermeable products.

Oblast zaměření: Keramické obkladové prvky
Komise : CEN/TC 67 (Ceramic tiles)
Původce: CEN
K připomínkám do: 22.09.2020
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This document is applicable to the following three types of adhesives for ceramic tiles, i.e. cementitious ones for internal and external tile installations, dispersion and reaction resin ones for internal tile installations, on walls and floors.

This document specifies the essential characteristics and the respective threshold levels of the adhesives for ceramic tiles.

It also specifies the appurtenant test methods and the assessment and verification of constancy of performance (AVCP).

NOTE          This document does not provide criteria or recommendations for the design and installation of ceramic tiles.

Oblast zaměření: Hydroizolační materiály
Komise : CEN/TC 128 (Roof covering products for discontinuous laying and products for wall cladding)
Původce: CEN
K připomínkám do: 29.09.2020
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This document specifies characteristics for individual plastic rooflights. These rooflights have translucent parts made of plastic materials (e.g. GF-UP, PC, PMMA, PVC) which serve the primary purpose of introducing daylight.

This document applies to individual plastic rooflights with upstands made of e.g. GF-UP, PVC, steel, aluminium or wood and to individual plastic rooflights without upstand, intended for use on upstands. These individual plastic rooflights are intended for installation in flat and slightly inclined roofs.

This document applies to individual plastic rooflights with a rectangular or circular ground plan (see Figures 1 and 2), with an opening span (width) or diameter not larger than 2,5 m and an opening length not larger than 3,0 m. This document does not cover rooflights which contribute to the load-bearing or stiffness of the roof itself.

This document applies to individual plastic rooflights without upstand, where a single manufacturer provides all components of the rooflight and individual plastic rooflights with upstand, where a single manufacturer provides all components of the rooflight with upstand, which are bought in a single purchase.

This document applies to rooflights with one or several translucent parts.

Individual plastic rooflights can be opened by means of opening devices in one or more parts for ventilation.

The possible additional functions of day to day ventilation, smoke and heat ventilation e.g. in case of fire in accordance with EN 12101‑2 and roof access, are outside the scope of this document.

This document does not apply to:

—    “Individual glass rooflights” acc. to prEN 1873‑2

—    “Continuous plastic rooflights” according to prEN 14963‑1 and “Continuous glass rooflights” according to prEN 14963-2

—    “Roof windows” according to EN 14351‑1

NOTE          An indicative list of provisions for a proper application, use and maintenance of individual plastic rooflights is presented in Annex A.

Oblast zaměření: Požární zkoušky
Komise : CEN/TC 127 (Fire safety in buildings)
Původce: CEN
K připomínkám do: 29.09.2020
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This document specifies test methods for smoke control dampers to assess their performance under elevated temperature or fire conditions.

It is of note that the smoke control damper to be tested could require testing to EN 1366‑2 and that this is for consideration before carrying out these tests.

Smoke control damper tests are used to confirm that the furnace testing requirements of EN 12101‑8 are met and EN 12101‑8 is for consideration before carrying out these tests.

Smoke control dampers tested to this document are expected to be classified using EN 13501‑4 and this document is expected to be considered before carrying out these tests.

To this end, this document is expected to be read in conjunction with EN 12101‑8, EN 13501‑4, EN 1366‑2 and EN 1363‑1, the latter giving further details for fire resistance testing.

For installation details, the requirements for smoke extraction ducts are for consideration and these are defined in EN 1366‑8 and EN 1366‑9.

Oblast zaměření: Hydroizolační materiály
Komise : CEN/TC 128 (Roof covering products for discontinuous laying and products for wall cladding)
Původce: CEN
K připomínkám do: 29.09.2020
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This document specifies test methods for pull through resistance and shear resistance of fibre-cement profiled sheets for roofing and cladding. The results are only applicable to the fibre cement product and not to the complete fixing assembly.

It applies only to products as delivered.

The field of application for pull through resistance is defined in 7.6.

The field of application for shear resistance is defined in 8.6.

Oblast zaměření: Podlahy a povrchy
Komise : CEN/TC 217 (Surfaces for sport areas)
Původce: CEN
K připomínkám do: 29.09.2020
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This document specifies minimum performance and durability requirements for shockpads within sports surfacing systems. It applies to any type shockpad used as an elastic component in sports surfacing system.

The document also specifies appropriate performance tolerance for production and on-site quality control procedures.

This document does not cover structural or drainage properties of shockpads. Where appropriate compliance with other European or national standards and guidelines for these aspects, should be followed.

NOTE 1       The sports performance characteristics of a sports surfacing system are provided by the combined characteristics of the playing surface, any infill within the playing surface and the shockpad. The selection of the correct combination of each is complex and the responsibility of the sports surface system designer. It is important to take this into account when considering the performance of a shockpad. A shockpad alone is not be expected to satisfy the performance requirements of the complete sports surfacing system as specified in EN 15330‑1, EN 15330‑2, EN 14877 or EN 14904, etc.

NOTE 2       This document only refers to the shockpad. It makes no recommendations on sub-base constructions or the different synthetic turf for needle-punch textile sports surface designs.

NOTE 3       Annex E is used in those countries where national guidance or regulations are not available. If such guidance or regulations are available, they supersede Annex E.[1]

 

[1] CCMC advises to carefully validate this NOTE during Enquiry.

Oblast zaměření: Hydroizolační materiály
Komise : CEN/TC 128 (Roof covering products for discontinuous laying and products for wall cladding)
Původce: CEN
K připomínkám do: 29.09.2020
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This document specifies a test method for pull through and shear resistance of fibre-cement flat sheets for roofing and cladding.

The results are also applicable for:

—    Coated or uncoated sheets manufactured at the same production facility as the tested sheets.

—    The test method can be applied to textured or non-textured fibre-cement flat sheets. The results of non-textured sheets are only applicable for textured sheets if the nominal minimum thickness of the textured sheet is at least the nominal thickness of the non-textured sheet.

—    The same type of fixing head or washer assembly where applicable if the diameter of the fixing head or washer is 0 mm to 2 mm larger than in the test.

—    The Shore A hardness of the sealing washer, where applicable, is ± 5 that of the washer used in the test.

—    The diameter of the drilled hole through the fibre cement sheet is 0 mm to 2 mm smaller than in the test, providing there is the required clearance hole around the shank of the fastener.

It applies only to products as delivered.

Oblast zaměření: Hydroizolační materiály
Komise : CEN/TC 128 (Roof covering products for discontinuous laying and products for wall cladding)
Původce: CEN
K připomínkám do: 12.10.2020
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This document specifies characteristics for continuous plastic rooflights. These rooflights have translucent parts made of plastic materials (e.g. GF-UP, PC, PMMA, PVC) with and without filling material, with or without support elements, which serve the primary purpose of introducing daylight.

This document applies to continuous plastic rooflights with upstands made of e.g. GF-UP, PVC, steel, aluminium, wood or concrete and to continuous plastic rooflights without upstand, intended for use on upstands. These continuous plastic rooflights are intended for installation in flat and slightly inclined roofs as prefabricated building elements.

This document applies to continuous plastic rooflights when a single manufacturer provides all elements of the rooflight for assembly on the roof, which are bought in a single purchase.

This document deals with continuous plastic rooflights manufactured as follows:

a)     with support elements:

—    symmetrical, angled, curved or flat (see Figures 1 and 4);

—    constructed with support elements parallel to the span and with a rectangular ground plan;

b)    without support elements:

—    symmetrical, angled or curved (see Figures 2 and 5) with an angle α not more than 45° (measured to the horizontal at the line of fixing, see Figure 3).

This document applies to continuous plastic rooflights, including barrel vault rooflights, with a rectangular ground plan of plastic translucent part installed in roofs, with a minimum distance of b/3 (b = effective span of rooflights, corresponding to the light opening) between each other. The upstands may be self-supporting or non-self-supporting.

This document does not apply to:

—    “Individual plastic rooflights” according to prEN 1873-1 and “Individual glass rooflights” according to prEN 1873-2;

—    “Roof hatches” according to prEN 1873-3;

—    “Continuous glass rooflights” according to prEN 14963-2;

—    “Roof windows” according to EN 14351-1.

This document does not include calculation with regard to works, design requirements and installation techniques.

The possible additional functions of day to day ventilation, smoke and heat exhaust ventilation e.g. in case of fire in accordance to EN 12101-2, roof access, and/or slinging point e.g. in accordance to EN 795 are outside the scope of this document.

NOTE          An indicative list of provisions for a proper application, use and maintenance of continuous plastic rooflights is presented in Annex A.

Oblast zaměření: Dveře a okna
Komise : CEN/TC 33 (Doors, windows, shutters, building hardware and curtain walling)
Původce: CEN
K připomínkám do: 12.10.2020
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This part of EN 13126 specifies requirements and test methods for durability, strength, security and function of espagnolettes and their striker plates for use on windows and door height windows.

NOTE          Espagnolettes are defined as a locking mechanism for windows and door height windows that usually have a maximum handle movement of 90°.

This document does not include door bolts within the scope of EN 12051, or locks with latch and/or dead bolt within the scope of EN 12209 or multi-point locks within the scope of EN 15885.

Oblast zaměření: Kamenivo
Komise : CEN/TC 154 (Aggregates)
Původce: CEN
K připomínkám do: 19.10.2020
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This document specifies the reference methods used for type testing and in case of dispute, for the determination of particle density and water absorption of normal weight and lightweight aggregates. Other methods can be used for other purposes, such as factory production control, provided that an appropriate working relationship with the reference method has been established. For convenience, some of these other methods are also described in this document.

The reference methods for normal weight aggregates are:

—    a wire basket method for aggregate particles retained on the 31,5 mm sieve (Clause 7, except for railway ballast which uses Annex B);

—    a pyknometer method for aggregate particles passing the 31,5 mm test sieve and retained on the 4 mm test sieve (Clause 8);

—    a pyknometer method for aggregate particles passing the 4 mm test sieve and retained on the 0,063 mm test sieve (Clause 9).

In Clauses 7, 8 and 9, three different particle density parameters (oven-dried particle density, saturated and surface-dried particle density and apparent particle density) and water absorption are determined after a soaking period of 24 h. In Annex B, the oven-dried particle density parameter is determined after soaking in water to constant mass.

For aggregate particles passing the 31,5 mm test sieve and retained on the 4 mm test sieve, the wire basket method in Clause 7 can be used as an alternative to the pyknometer method in Clause 8.

NOTE 1       The wire basket method can also be used for single aggregate particles retained on the 63 mm sieve.

NOTE 2       The pyknometer method described in Clause 8 can be used as an alternative for aggregates passing the 4 mm sieve and retained on the 2 mm sieve.

The reference methods for lightweight aggregates are:

—    a pyknometer method for aggregate particles passing the 31,5 mm test sieve and retained on the 4 mm test sieve (Annex C). Three different particle density parameters (oven-dried particle density, saturated and surface-dried particle density and apparent particle density) and water absorption are determined after pre-drying and a soaking period of 24 h;

—    a method for aggregate particles passing the 4 mm test sieve, mixed with water and filtered in a Büchner funnel (Annex D). The three particle densities and water absorption are determined using a vacuum in the range of 50 mbar to 100 mbar for at least five minutes.

Three other methods for normal weight aggregates can be used to determine the pre-dried particle density, as specified in normative Annexes A and H:

—    a wire basket method for aggregate particles passing the 63 mm test sieve and retained on the 31,5 mm test sieve (A.3);

—    a pyknometer method for aggregate particles passing the 31,5 mm test sieve and retained on the 0,063 mm test sieve (A.4);

—    a pyknometer method for aggregate particles passing the 31,5 mm test sieve, including the 0/0,063 mm size fraction (Annex H).

NOTE 3       If water absorption is less than about 1,5 %, the apparent particle density can be assessed using the pre-dried particle density method as defined in Annex A.

The quick method in normative Annex E can be used in factory production control to determine the apparent particle density of lightweight aggregates.

The method in informative Annex F can be used to determine the particle density and water absorption of aggregates particles passing the 4 mm test sieve.

Data on the density of water at various temperatures is specified in normative Annex G.

Guidance on the significance and use of the various density and water absorption parameters is given in informative Annex I.

Annex J (informative) contains precision data.

Oblast zaměření: Podlahy a povrchy
Komise : CEN/TC 165 (Wastewater engineering)
Původce: CEN
K připomínkám do: 19.10.2020
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This document specifies general requirements to be respected in product standards for components such as pipes, fittings, inspection chambers and manholes with their respective joints intended for use in drains and sewers inside and outside buildings which operate as gravity systems allowing for a maximum pressure of 40 kPa.

It also specifies general requirements for components used in hydraulically and pneumatically pressurized discharge pipes, drains and sewers.

NOTE 1       Where the term “inside buildings” is used in the context of components fixed inside buildings, it also includes discharge pipes and fittings fixed on external surfaces of buildings

NOTE 2       This document is not a product standard and therefore not intended for the direct evaluation of products.

This document covers components to be used in conveying in a satisfactory manner:

—    domestic wastewater;

—    rainwater and surface water; and

—    other waste waters acceptable for discharge into the system (e.g. industrial wastewater).

This document applies to components of circular and other cross sections.

This document applies equally to components which are factory-made and to those constructed on site, where applicable.

NOTE 3       This document does not apply to components used for trenchless construction according to EN 14457 and for components used for renovation of drains and sewers according to EN 13380.

This document does not supersede the functional requirements of a complete system as defined in EN 752.

Oblast zaměření: Keramické obkladové prvky
Komise : CEN/TC 67 (Ceramic tiles)
Původce: CEN
K připomínkám do: 19.10.2020
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This part of ISO 10545 specifies a method for the determination of lead and cadmium given off by the ceramic tiles surface.

Oblast zaměření: Keramické obkladové prvky
Komise : CEN/TC 67 (Ceramic tiles)
Původce: CEN
K připomínkám do: 23.10.2020
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This part of ISO 10545 specifies a method for determining the moisture expansion of ceramic tiles.

Oblast zaměření: Kamenivo
Komise : CEN/TC 154 (Aggregates)
Původce: CEN
K připomínkám do: 26.10.2020
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This document specifies the reference method used for type testing and in cases of dispute, for the determination of the methylene blue value of the 0/2 mm fraction in fine aggregates or all-in aggregates (MB). It also specifies the reference method for the determination of the methylene blue value of the 0/0,125 mm fraction (MBF) in Annex A. Other methods can be used for other purposes, such as factory production control, provided that an appropriate working relationship with the suitable reference method has been established.

A conformity check, adding a single quantity of dye solution equivalent to a specified limiting value and which can be used as part of a production control process, is described in informative Annex B.

Annex C specifies the preparation of 10 g/l methylene blue solution and Annex D specifies the procedure for the determination of the methylene blue value of kaolinite (MBk). Annexes C and D are normative.

An example of a test data sheet is given in informative Annex E.

WARNING – The use of this part of EN 933 can involve hazardous materials, operations and equipment (such as dust, noise and heavy lifts). It does not purport to address all of the safety or environmental problems associated with its use. It is the responsibility of users of this document to take appropriate measures to ensure the safety and health of personnel and the environment prior to application of the standard, and fulfil statutory and regulatory requirements for this purpose.

Komise : CEN/TC 229 (Precast concrete products)
Původce: CEN
K připomínkám do: 26.10.2020
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This document identifies the essential characteristics of ribbed floor elements. These elements are precast elements made of reinforced or prestressed normal weight or light weight concrete, used in floors or roofs. They consist of a top and/or bottom slab and one or more (usually two) ribs; transverse ribs may also be present. The concrete does not contain more than 1 % of homogeneously distributed organic material, by mass or by volume (whichever is the most onerous).

When used in roofs, these elements are used in the same way as for a floor, the difference being in the type of covering and the loads they support.

This document specifies procedures for assessment and verification of constancy (AVCP) of performance of characteristics of the ribbed floor elements as well as marking and labelling of these elements.

NOTE          This document does not cover load-bearing capacity determined by testing.

Komise : CEN/TC 229 (Precast concrete products)
Původce: CEN
K připomínkám do: 26.10.2020
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This document identifies the requirements, the basic performance criteria and evaluation of conformity for precast ribbed elements made of reinforced or prestressed normal weight or light weight concrete, used in floors or roofs. The elements consist of a top and/or bottom slab and one or more (usually two) ribs; transverse ribs may also be present. The concrete does not contain more than 1 % of homogeneously distributed organic material, by mass or by volume (whichever is the most onerous).

Some examples of precast elements considered in this document are shown in Annex A.

Specific requirements for minor floor elements are listed in Annex B.

This document covers terminology, performance criteria, tolerances, relevant physical properties, test methods and aspects of transport and erection.

This document does not cover load-bearing capacity determined by testing.

Oblast zaměření: Kamenivo
Komise : CEN/TC 154 (Aggregates)
Původce: CEN
K připomínkám do: 26.10.2020
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This document specifies a basic procedure for the identification of the petrographic type of natural aggregates. Precise petrographic identification, of technical mineralogy and petrography for civil engineering or specific end uses, requires further examination and is therefore excluded from the scope of this document.

NOTE 1       A qualified geologist (petrographer), with experience of materials used in civil engineering and aware of the composition of the deposit, has sufficient skills to sample and name the rock.

NOTE 2       For precise petrographic identification, a non-exhaustive list of reference literature is given in the Bibliography.

This document covers only natural aggregates. It is used to describe massive rocks and unconsolidated rocks.

Annex A provides guidance on the petrographic nomenclature by giving definitions of simple petrographic terms applicable to rock types used for aggregates.

Oblast zaměření: Stavební konstrukce
Komise : CEN/TC 250 (Structural Eurocodes)
Původce: CEN
K připomínkám do: 24.11.2020
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Scope of EN 1990

(1) This document establishes principles and requirements for the safety, serviceability, robustness and durability of structures, including geotechnical structures, appropriate to the consequences of failure.

(2) This document is intended to be used in conjunction with the other Eurocodes for the design of buildings and civil engineering works, including temporary structures.

(3) This document describes the basis for structural and geotechnical design and verification according to the limit state principle.

(4) Design and verification in this document are based primarily on the partial factor method.

NOTE 1       Alternative methods are given in the other Eurocodes for specific applications.

NOTE 2       The Annexes to this document also provide general guidance concerning the use of alternative methods.

(5) This document is also applicable for:

—    structural appraisal of existing construction;

—    developing the design of repairs, improvements and alterations;

—    assessing changes of use.

(6) This document is applicable for the design of structures where materials or actions outside the scope of EN 1991 to EN 1999 are involved.

NOTE          In this case, additional or amended provisions can be necessary.

Oblast zaměření: Stavební konstrukce
Komise : CEN/TC 250 (Structural Eurocodes)
Původce: CEN
K připomínkám do: 24.11.2020
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Scope of EN 1993‑1‑1

(1) EN 1993‑1‑1 gives basic design rules for steel structures.

(2) It also gives supplementary provisions for the structural design of steel buildings. These supplementary provisions are indicated by the letter “B” after the paragraph number, thus (  )B.

Assumptions

(1) The assumptions of EN 1990 apply to EN 1993‑1‑1.

(2) EN 1993 is intended to be used in conjunction with EN 1990, EN 1991 (all parts), the parts of EN 1992 to EN 1999 where steel structures or steel components are referred to within those documents, EN 1090‑2, EN 1090‑4 and ENs, EADs and ETAs for construction products relevant to steel structures.