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• ,~';.`~' ~~y ~i. it} .t~ : ~' ~ ~~~~2 - . '1'~ J. . `•~`fi,t"ar~~w'+!' .~, . ~ . . ' 't,~ ~ • . . . ~ I . AT YOUR SERVICE '~~ J k J ~~4 ~ .fY~i~' ~ ~ ~~ fr ~ ~;S ~r' -v~' . ~ ;~~-y,J~ i ~+j .. ~ , ~ . ?i' '.i. , .. ~ . -v' . CITY OF SA~EM,• OREGON FIRE DEPARTMENT ' 370 T~ade St. SE, 97301-3454 Teiephone: (503)588~245 ext 7670 FL~.JSHING OF UNDERG~ZOUND FIRE LINES SERVZCING FIRE HYDRANTS AND A.UTOMATIC FIRE SPR:INKL,ER SYSTEMS. INSTALLATION AND TESTIl~(G OF UNDERGROUND FIRE LINES SHALL MEET NFPA 24 AND ALL APPLiCABLE STANDARDS APPROVED BY THE SALEM F1RE DEPARTMENT All underground piping downstream of the doubte detector check valve vault shall be nushed as follows: HYDRANTS: Hydrant lines shall be flushed through the furihest hydrant on the system, with a 4 inch hose attached to the steamer port A guimy sack shall be placed over the open coupling on the end of the 4 inch hose to catch_ debris in the line. Excessive debris may require a second flushing. ~t lines shall be flushed at a volume and rate as Iisted in the latest edition of NFPA 24, based o`n the inside eter size of the fire main. This flow rate is stamped on the approved set of plans. Hydrant•line testing shali be done after the fire line has ~been flushed to remove all air from the piping. Hydraulic testing shall be done at 150 pounds (ps~ for 1 hour. ACCEPTA.BLE LOSS SHALL BE CALCULATED PER GfiTY OF SALEM STANDARDS. - ~ - SPRINKLER RISERS: Sprinkler lines shall be flushed through the base of the riser with a 4 inch hose attached to riser plates serving 4 inch or g~reater underground supply lines. Supply lines less than 4 inches may be flushed' with a 3 inch hose or 2- 21/2 hoses attachrd to the riser plate. A g,unny sack shall be placed over"the open coupling on the end of the flushing line to catch debris in the line. Excessive debris may requ'ue a second flushing. Sprinkler line testing shall be done after the line has been flushed to remove all air from the piping. Hydraulic testing shall be done at 200 pounds (ps~ for 2 houcs. NO LOSS IN PRESSURE IS PERNIITrED. ~ COMBINATION SYSTEMS: Fire lines supply.ing both automatic sprinkler systems and fire hydrants shall be hydraulically tested at 200 psi for 2 hours. Tests shall ~be done after the line has.been flushed to both the hydrant(s) and the sprinkler riser(s) to remove alI air from the pipe. Flushing of combination systems shall be performed as for hydrants and sprinkier risers. NO LOSS IN PRESSURE IS PERMITTED. ~ `` test is conducted.as mentioned above should fail, please contact the Deputy Fire Marshal who wttnessed the stazt of the test to reschedule. All appointments require a minimum 24-hour notice. You can contact our office at 588-6245 and ask for Jim Teubner @ extension 7670 or Jeff Moore @ extension 7669. ~ ~ ~