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2021-02-22

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Assessment and Verification of Constancy of Performance

Disclaimer: This document provides guidance and is not a legally binding interpretation and shall therefore not be relied upon as legal advice.

The performance assessment systems of Construction Products Regulation (EU) 305/2011.

Declaration of Performance

Each construction product with CE marking must be accompanied by a Declaration of Performance (DoP). To ensure that the DoP is accurate and reliable, the performance of the construction product should be assessed and the production should be controlled in accordance with the system of "Assessment and Verification of Constancy of Performance" (AVCP).

The AVCP systems define the tasks for manufacturers and notified bodies.
The manufacturer declares the performance of the essential characteristics of the product based on the applicable assessments.

System 1+

Manufacturer shall carry out:

factory production control;
further testing of samples taken at the factory in accordance with the prescribed test plan.

Notified product certification body shall issue the certificate of constancy of perfor- mance of the product on the basis of:

determination of the product-type on the basis of type testing (including sampling), type calculation, tabulated values or descriptive documentation of the product;
initial inspection of the manufacturing plant and of factory production control;
continuous surveillance, assessment and evaluation of factory production control;
audit-testing of samples taken before placing the product on the market.

System 1

Manufacturer shall carry out:

factory production control;
further testing of samples taken at the factory by the manufacturer in accordance with the prescribed test plan.

Notified product certification body shall issue the certificate of constancy of perfor- mance of the product on the basis of:

determination of the product type on the basis of type testing (including sampling), type calculation, tabulated values or descriptive documentation of the product;
initial inspection of the manufacturing plant and of factory production control;
continuous surveillance, assessment and evaluation of factory production control

System 2+

Manufacturer shall carry out:

determination of the product-type on the basis of type testing (including sampling), type calculation, tabulated values or descriptive documentation of the product;
factory production control;
testing of samples taken at the factory in accordance with the prescribed test plan.

Notified production control certification body shall issue certificate of conformity of the factory production control on the basis of:

initial inspection of the manufacturing plant and of factory production control;
continuous surveillance, assessment and evaluation of factory production control.

System 3

Manufacturer shall carry out:

factory production control.

Notified testing laboratory shall carry out:

determination of the product-type on the basis of type testing (based on sampling carried out by the manufacturer), type calculation, tabulated values or descriptive docu- mentation of the product.

System 4

Manufacturer shall carry out:

determination of the product-type on the basis of type testing, type calculation, tabulated values or descriptive documentation of the product;
factory production control.

No tasks for the notified body.

Annex ZA

The required AVCP system is mentioned in the harmonised standard that is applicable for the construction product.

Section ZA.2 of the harmonised standard states the appropriate attestation of conformity for the product taking into account its intended use and performance level or class.

Section ZA.2 of the harmonised standard also provides all necessary details on each task of the evaluation of conformity.

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