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Unformatted text preview: for dry standpipes: Provided, that at least one standpipe is installed to cover not more than
650 square meters. (5) Outlets. All interior wet standpipes shall be equipped with a 38 millimeter valve in each
storey, including the basement or cellar of the building, and located not less than 300 millimeters nor
more than 1.20 meters above the floor.
(6) Threads. All those threads used in connection with the installation of such standpipes,
including valves and reducing fittings shall be uniform with that prescribed by the Secretary.
(7) Water Supply. All interior wet standpipes shall be connected to a street main not less
than 100 millimeters in diameter, or when the water pressure is insufficient, to a water tank of sufficient
size as provided in subparagraph (8). When more than one interior wet standpipe is required in the
building, such standpipe shall be connected at their bases or at their tops by pipes of equal size.
(8) Pressure and Gravity Tanks – Tanks shall have a capacity sufficient to furnish at least
1,500 liters per minute for a period not less than 10 minutes. Such tanks shall be located so as to provide
not less than 2 kilograms per square centimeter pressure at the topmost base outlet for its entire supply.
Discharge pipes from pressure tanks shall extend 50 millimeters into and above the bottom of such
tanks. All tanks shall be tested in place after installation and proved tight at a hydrostatic pressure fifty
percent in excess of the working pressure required. Where such tanks are used for domestic purposes the
supply pipe for such purposes shall be located at or above the center line of such tanks. Incombustible
supports shall be provided for all such supply tanks and not less than a 900 millimeters clearance shall
be maintained over the top and under the bottom of all pressure tanks.
(9) Fire pumps. Fire pumps shall have a capacity of not less than 1,000 liters per minute
with a pressure not less than 2 kilograms per square centimeter at the topmost hose outlet. The source of
supply for such pump shall be a street water main of not less than 100 millimeters diameter or a well or
cistern containing a one-hour supply. Such pumps shall be supplied with an adequate source of power
and shall be automatic in operation.
(10) Hose and Hose Reels – Each hose outlet of all interior wet standpipes shall be supplied
with a hose not less than 38 millimeters in diameter. Such hose shall be equipped with a suitable brass or
bronze nozzle and shall be not over 23.00 meters in length. An approved standard form of wall hose reel
or rack shall be provided for the hose and shall be located so as to make the hose readily accessible at all
times and shall be recessed in the walls or protected by suitable cabinets.
(d) Basement Pipe Inlets – Basement pipe inlets shall be installed in the first floor of every store,
warehouse, or factory where there are cellars or basements under same: Except, where in such cellars or
basements there is installed a fire-...
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This note was uploaded on 09/22/2013 for the course ARIDBE AR taught by Professor Any during the Fall '12 term at Mapúa Institute of Technology.
- Fall '12