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The Putman Groep is committed to the safety, health and well-being of its employees and its enviroment with great care. The quality of the production process and the products are guaranteed by means of the certificates below.

Putman Groep b.v. and affiliates                                                                Kieswerk Wissel GmbH

General
• General Terms and Conditions Putman Groep b.v.
• Acceptance Regulations Putman Recycling b.v.
General
• General Terms and Conditions of Sale and Delivery Kieswerk Wissel b.v.

Quality and environment
• ISO 9001 
• ISO 14001 
• CSC certificate
Quality and environment
• ISO 9001 
• ISO 14001
• CSC certificate
• LCA sand 0-4 (short)
• LCA gravel products (short)
Safety
• VCA**
Safety
Primary materials and Secondary materials

Productcertificates
BRL 1801:
• 353-BG-21.2 / Concrete mortar
Niks
BRL 2506:
• BG-052-20 / Granulate e.g. for road construction
• BG-235-10 / Granulate for asphalt mixtures
• BG-324-7 / Granulate in concrete
BG-364-1 / Granulate as application
Niks
NL BSB productcertificate:
• BG-280-9 / Granulate e.g. for road construction
353-BBK-21.1 / Cementitious mortars
Niks
BRL 9335-1:
GR-100-9 (Soil bank activities)

Declaration of Performance
Filling sand (Revision 20-2022)
Rhine sand 0-1 (Revision 20-2022)
Fine granulate 0-4 mm (Revision 10A-2022)
Fine granulate 0-4 mm (Revision 10B-2022)
• Crushing sand 0-3 (Revision 08-2022)
• Recycled mixed aggregate 0-31,5 (Revision 11-2022)
• Recycled concrete aggregate 0-31,5 (Revision 11-2022)
• Hydraulic mixed aggregate 0-45 (Revision 10-2022)
• Recycled mixed aggregate 0-16 (Revision 07-2022)
• Recycled mixed aggregate 4-31,5 (Revision 07-2022)
• Recycled concrete aggregate 4-16 (Revision 09-2022)
Niks
 Demolition and Infrastructure:
SI-117-9 / SVMS-007 Environmental Responsible Demolition
UB-184-1 / SIBK 7001 Soil remediation

Primary material

Productcertificates
• KOMO Productcertificate
• CE 2+
• NL BSB Productcertificate
• Explanation PFAS unsuspected extraction site BRL 9321
Niks
Declaration of Preformance
• Rhine sand 0-1 (Revision 20-2022)
• Rhine sand 0-1 (Revision 20-2022)
• Rhine sand 0-2 (Revision 20-2022)
• Rhine sand 0-4 (Revision 20-2022)
• Rhine sand 0-8 (Revision 20-2022)
• Gravel for concrete 0-16 (Revision 20-2022)
• Gravel for concrete 0-31,5 (Revision 20-2022)
Niks
• Rhine gravel 2-6 (Revision 20-2022)
• Rhine gravel 2-8 (Revision 20-2022)
• Rhine gravel 4-8 (Revision 20-2022)
• Rhine gravel 4-16 (Revision 20-2022)
• Rhine gravel 4-32 (Revision 20-2022)
• Rhine gravel 8-16 (Revision 20-2022)
• Rhine gravel 16-32 (Revision 20-2022)
Niks
• Filling sand (Revision 20-2022)
Niks
• Benor (kwarts)sand 0-1: 0001-10, 0001-13, 0001-12 en -14
• Benor (kwarts)sand 0-2
• Benor sand 0-4
• Benor gravel 2-8
• Benor gravel 4-16
• Benor gravel 4-32
• Benor gravel 8-16
Niks