Pratopratico grass and gravel paving grid

13 Art. 1) PERMEABLE LAYER - Placing of permeable layer underlying the grass treadable fl ooring, through the supply and laying of crushed stone made of fi ne, variable, granular pieces 3/10 mm, well spread and rolled by hand, into a fi nished thickness of about 5/7 cm. € per square meter _______________________________________ Art. 2) FLOORING - Supply and laying of two-faced fl ooring elements such as “Pratopratico®” with the following technical characteristics • Precious, virgin PP Material (polypropylene) adapted to work with UV rays with mechanical performance characteristics of the highest quality: • Impact resistant to cold temperatures (-20C) and at least 8Kj/m2 (ISO 180 method) to guarantee the entirety of the fl ooring even if stressed and placed in extreme environmental conditions; • Laying capacity of at least 320 t/sq. m (monotonic loading breaking point test); • Softening point of at least 152°C to guarantee nondeformability of the product in the presence of high temperatures (see fl ooring fi lled with crushed stone and placed during the summer season). • Size in centimetres: 50 x 50 x 5; • At least 95% grass and permeable surface; • Reversible: both sides can be used; • Shaped as in attached design; • Cell border must be at least 4.7 cm to guarantee a congruous nutritional baggage to the grass and a suitable structure for the exchange of air, water and nutritional elements; • Male-female joint hooking system; fl ooring kept still with sealing chamfers; • Possiblility of laying signalling elements (in white, yellow and blue) to delimit the parking areas and walkways; Once laid in place, the above-mentioned fl ooring has technical characteristics that make it immediately suitable for vehicle transit. € per square meter _______________________________________ Art. 3) FILLING OF LAWN FLOORING - Laying of lawn surface by fi lling the Pratopratico® fl ooring type cells with a blend of excellent vegetable soil, peat, siliceous sand and/or inert volcanic material (pumice) encriched with slow-release fertilizer; Supply and sowing of an excellent blend of seeds for grass suitable for vehicle transit (type: poa pratensis/lolium perennial/festuca arundinacea) in amounts of 35/40 gr. per sq. m. Including any extra charges to provide the fi nal product. € per square meter _______________________________________ Art. 4) DELIMITING OF PARKING AREAS AND WALKWAYS - Supply and laying of signalling elements...(in white, yellow and blue) to delimit the parking and/or walkway areas, to be placed in the soil inside the cells of the Pratopratico®, fl ooring according to the requirements of D.L.. € per piece _______________________________________ The fl ooring must be produced by companies with a Quality, Environmental, Safety, and Social Accountability System certifi ed in compliance with International provisions UNI EN ISO 9001, UNI EN ISO 14001, BSI OHSAS 18001, SA8000. Specifi cations Laying of treadable grass fl ooring with Pratopratico® Heliports Private parking lot www.baygar.com