CULTURED LAWN AND METHOD FOR ITS ARRANGEMENT Russian patent published in 2001 - IPC

FIELD: construction engineering. SUBSTANCE: pipelines are placed on building ground, on drainage system, or under lawn surface. Pipelines provide for drainage and/or heating of lawn turf by means of temperature control system. Drainage materials covered by earth layers or ready-made turf plates are placed on members of temperature control system, that is on electric cables and pipes depending on lawn function, climate and weather conditions. Electric cables and pipes may be laid on lawn turf and/or at a depth of 3 -50 cm from lawn surface and spaced 3 - 50 cm apart. Coolant is pumped through pipes in hot seasons. In cold seasons lawn is heated by means of coolant-carrying pipelines and electric heater elements. EFFECT: provision for maintaining good properties of grass under all weather conditions. 4 cl, 2 dwg