Provision shall be produced for standby pumps fed from distinctive source of power at the rate of fifty per cent of aggregate variety of pumps, subject matter to minimum amount of 1 and maximum of two. The place pumps are of various capacities, standby pump ought to be of highest capacity.
請注意：務必確保已選取的區域來自正確的螢幕截圖（螢幕內），否則裝置將永遠顯示黑色。若您從外接螢幕選擇區域，且螢幕已從桌上型電腦或筆記型電腦拔除，請在套用具有同步辨色的燈效設定檔前，重新選擇自訂區域。
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The stand pipe or hose should not be disconnected from a hydrant by which no water is obtainable or from which the circulation has suddenly stopped until finally the valve has become shut.
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Isolating (Reduce off) valves really should be completely overhauled yearly to eliminate sludge and also other international matter collected in valve seating.
請檢查具有「音樂」燈效的圖層是否有選取播放裝置。若您曾拔除已選取的裝置，請記得重新選擇播放裝置並再次套用設定檔。
1 are more likely to result in obstruction to traffic or are liable for being misused by general public, underground style may be presented.
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This typical addresses provisions of set up, inspection and upkeep of exterior hydrant devices.
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The brick work on the pit, the cover and its frame and also the condition of the roadway or floor, around the frame really should be examined along with a report designed if these are generally broken.
The indicating plates is usually manufactured from vitreous enamelled mild metal, ome88 Forged iron, aluminium alloy or plastic. The plates ought to be yellow in colour with letter ‘H’ in black, ideally with fluorescent colour paints. Where by probable, dimension with the mains and the distance from the hydrant ome88 in the plate must be marked over the plate.
The hearth hydrant mains ought to always ome88 be laid in rings or crosslinked rings, which is, many of the mains need to be interconnected.