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上端部に散水された熱媒体を均等に拡散させ下流域に向けて流下させる流下規正シートを用い、この流下規正シート上に散水されて流下する熱媒体により流下規正シート上に堆積した雪を溶解させる傾斜面の散水融雪方法において、時間タイマーまたは降雪検知器からの遅延出力に応答して、または手動操作により給湯配管の給湯開閉弁を開放し、給湯配管を通じて静水圧タンク内にほぼ摂氏３０度から８０度の温度帯域の熱水、好ましくは摂氏４０度から６０度の熱水を流入させる段階と、熱水が所定の水位に到達した時期に給水ポンプの駆動を開始し、給水管を通じ散水ヘッダに熱水を供給して流下規正シートの上流側に熱水を散水する段階と、流下規正シート上に均等に広がって流下する熱水により流下規正シート上に堆積した雪層を急速に溶解させる一方、静水圧タンク内の水位が下限に到達した時点で給水ポンプの駆動を停止する段階とを有し、給水ポンプの運転開始から停止までを単位サイクルとし、カウンタ手段によりサイクル数をカウントしながら、このサイクルを一回のみか、または繰り返して行ない、最後に静水圧タンク下部に設けた排水開閉弁を開閉して静水圧タンク内の残水の排水を行なう散水融雪方法。 Using a flow regulation sheet that evenly diffuses the heat medium sprayed on the upper end and flows down toward the downstream area, the snow accumulated on the flow regulation sheet is melted by the heat medium that is sprinkled on the flow regulation sheet. In the sprinkling snow melting method on the inclined surface, the hot water on / off valve of the hot water supply pipe is opened in response to a delay output from the time timer or the snowfall detector or manually, and approximately 30 degrees Celsius in the hydrostatic pressure tank through the hot water supply pipe. From 80 degrees Celsius to hot water, preferably 40 degrees Celsius to 60 degrees Celsius, and when the hot water reaches a predetermined water level, the feed water pump is started and sprinkled through the water pipe Supplying hot water to the header to sprinkle hot water upstream of the flow regulation sheet, and the snow layer deposited on the flow regulation sheet by the hot water that spreads and flows evenly on the flow regulation sheet The water pump is stopped when the water level in the hydrostatic tank reaches the lower limit, and the unit cycle is from start to stop of the water pump. This is a sprinkling snow melting method in which this cycle is performed only once or repeatedly while counting, and the drainage on / off valve provided at the bottom of the hydrostatic pressure tank is finally opened to drain the remaining water in the hydrostatic pressure tank. 上端部に散水された熱媒体を均等に拡散させ下流域に向けて流下させる流下規正シートを用い、この流下規正シート上に散水されて流下する熱媒体により流下規正シート上に堆積した雪を溶解させる傾斜面の散水融雪方法において、時間タイマーまたは降雪検知器からの出力信号に応答して、または手動操作により給湯配管の給湯開閉弁を開放し、給湯配管を通じて静水圧タンク内にほぼ摂氏３０度から８０度の温度帯域の熱水、好ましくは摂氏４０度から６０度の熱水を流入させる段階と、熱水が所定の水位に到達した時期に給水ポンプの駆動を開始し、給水管を通じ散水ヘッダに熱水を供給して流下規正シートの上流側に熱水を散水する段階と、流下規正シート上に均等に広がって流下する熱水により流下規正シート上に堆積した雪層を急速に溶解させる一方、静水圧タンク内の水位が下限に到達した時点で給水ポンプの駆動を停止する段階と、給水ポンプの運転開始から停止までを単位サイクルとし、カウンタ手段によりサイクル数をカウントしながら、このサイクルを一回のみか、または繰り返して行ない、最後に静水圧タンク下部に設けた排水開閉弁を開放して静水圧タンク内の残水の排水を行なう段階とを有し、前記給水管は途中位置で複数の枝配管に分岐し、枝配管の各々は給水開閉弁を介して散水ヘッダに接続されていて、給水開閉弁の開閉操作により枝配管から給水ヘッダへの選択的な給水が行われる散水融雪方法。 Using a flow regulation sheet that evenly diffuses the heat medium sprayed on the upper end and flows down toward the downstream area, the snow accumulated on the flow regulation sheet is melted by the heat medium that is sprinkled on the flow regulation sheet. In the sprinkling snow melting method on the inclined surface, the hot water on / off valve of the hot water supply pipe is opened in response to the output signal from the time timer or snowfall detector or by manual operation, and approximately 30 degrees Celsius in the hydrostatic pressure tank through the hot water supply pipe From 80 degrees Celsius to hot water, preferably 40 degrees Celsius to 60 degrees Celsius, and when the hot water reaches a predetermined water level, the feed water pump is started and sprinkled through the water pipe Supplying hot water to the header to sprinkle hot water upstream of the flow regulation sheet, and the snow layer deposited on the flow regulation sheet by the hot water that spreads and flows evenly on the flow regulation sheet While dissolving quickly, the stage where the feedwater pump is stopped when the water level in the hydrostatic tank reaches the lower limit and from the start to the stoppage of the feedwater pump are unit cycles, and the number of cycles is counted by the counter means. However, this cycle is performed only once or repeatedly, and finally the drain opening / closing valve provided at the lower part of the hydrostatic pressure tank is opened to drain the residual water in the hydrostatic pressure tank, The pipe branches into a plurality of branch pipes at a midpoint, and each branch pipe is connected to a watering header via a water supply opening / closing valve, and selective water supply from the branch pipe to the water supply header is performed by opening / closing the water supply opening / closing valve. Watering snow melting method is performed.