Downloads Technical documentation Product information Specifications Bufferblock: Size: 45 x 60 x 16 cm (h x w x d) Percentage open space: 60% Waterstorage volume per m²: 266 liter Weight per block: 43 kg Weight per m³: 950 kg <– Click here to download the document. Inspection and Maintenance Information about the possibilities for inspection and maintenance. <– Click here to download the document. Pipe connections Information about the possibilities for connecting pipes on the Bufferblock system. <– Click here to download the document. Drawings Tendering specifications