1. Unique identification code of the product type:

Precast reinforced concrete units for domestic inspection chambers

2. Type, batch or serial number or any other element allowing identification of the construction product as required under Article 11(4) of the CPR:

Chamber Reducer - to suit DICC chambers (1000 x 675 to 450 x 600) - REDUCEC450
Reinforced concrete reducer unit
Dimensions - L x W x H (mm): 1000 x 675 x 65

3. Intended use or uses of the construction product, in accordance with the applicable harmonized technical specification, as foreseen by the manufacturer:

Intended use to permit access to and to allow aeration and ventilation of drain or sewer systems for outside domestic buildings and in areas subjected to pedestrian traffic.

4. Name, registered trade name or registered trade mark and contact address of the manufacturer as required under Article 11(5):

Supreme Concrete Limited
Coppingford Hall, Coppingford Road, Sawtry, Cambridgeshire, PE28 5GP, UK

5. System of assessment and verification of constancy of performance of the construction product as set out in Annex V:

System 4

6. Notified body certification:

EN 1917:2002
Notified Body: Not applicable

7. Declared performance:

Essential CharacteristicsPerformanceHarmonised
Opening Size (mm):450 x 600

EN 1917:2002

Hydrostatic & joint assembly tests:
(both tested at 30kPa (0,3 bar) internally)
Mechanical Resistance: 
Crushing StrengthStrength Class: NPD  
Vertical Strength 20 kN
Drilled Core Strength 40 N/mm2
For detailing and geometrical properties, see the Technical Documentation.

Technical Documentation:
Product Catalogue

8. The performance of the product identified in points 1 and 2 is in conformity with the declared performance in point 7. This declaration of performance is issued under the sole responsibility of the manufacturer identified in point 4.

Signed for and on behalf of the manufacturer by:

Name: Will Hicks
Position: Ibstock Concrete Operations Director
Place: Coppingford Hall, PE28 5GP, UK
Date: 3rd February 2020