Lub qhov hluav taws kub lossis hluav taws kub yog qhov sib txuas uas cov neeg tua hluav taws tuaj yeem coj mus rau hauv dej. Nws yog ib feem ntawm kev tiv thaiv hluav taws. Cov hluav taws kub hauv av tau siv hauv Tebchaws Europe thiab Asia txij li tsawg kawg ntawm xyoo pua 18th. Sab saum toj-hauv av ncej-hom hydrants yog ib qho kev tsim tawm xyoo 19th.
Lub tshuab hluav taws xob yog vim li cas thiaj siv rau?
Cov Dej Dej yog cov khoom siv rau kev rho tawm cov dej los ntawm cov kav dej thiab cov dej xa tawmThaum muaj hluav taws kub, lub qhov hluav taws kub tuaj yeem ua kom cov dej ceev ceev. Cov kev sib txuas rau cov kav dej yog siv nrog lub npe hu ua hydrant wrenches thiab hydrant standpipes thiab txuas ntxiv mus rau cov tsheb tua hluav taws.
Yuav ua li cas GPM yuav tsum tau rau lub qhov hluav taws kub?
Raws li cov txheej txheem raws li tau teev tseg hauv Tshooj 18.4, qhov yuav tsum tau muaj hluav taws kub yog kwv yees li 1200 gpmTus tsim qauv xaiv los nrhiav ib lub qhov hluav taws kub ntawm cov dej hauv pej xeem uas twb muaj lawm nyob deb ntawm 350 ft (107 m) los ntawm lub tsev, uas ua tau raws li qhov siab tshaj plaws 400 ft (122 m) qhov kev ncua deb ntawm 18.5.
Yuav tsum muaj hluav taws kub qhov twg?
Rau qhov nruab nrab, hydrants feem ntau muab tso 12, 2 m ntawm lub tsev kom tiv thaiv. Qhov no tsis tuaj yeem ua tau, lawv tau teeb tsa qhov chaw uas muaj feem cuam tshuam los ntawm cov phab ntsa ntog me me thiab qhov chaw tua hluav taws tsis zoo li yuav tsum tau tsav los ntawm cov pa taws lossis cua sov.
Tus qauv qhov siab ntawm qhov hluav taws kub yog dab tsi?
Siv thoob plaws ntiaj teb, cov dej tua hluav taws tau teeb tsa ze ntawm lub hauv paus dej (feem ntau hauv 24 ntiv tes). Lawv yuav luag ib txwm los ntawm txoj kev pavement ntug los yog txoj kab thaiv vim qhov chaw tseem ceeb ntawm cov dej. Qhov nruab nrab qhov siab ntawm qhov hluav taws kub yog peb feet.
