Laserfiche WebLink
ro Eo'm <br /> teas STI SP-001 EXTERNAL INSPECTION <br /> MI A,CA94510 <br /> POWERS <br /> FAX <br /> U6MM sONNER» cFACILIN&ILOINCI10» <br /> ENGINEERING&INSPECTIQN,INC. wxwPaaxaxeon ovtneM 01 TaYc <br /> 5. Venting Analysis <br /> VENTING SELECTION ISP001, NFPA30,UL142,AP120001 <br /> Tank Shape Vertical Cylindrical <br /> Oiameteror WAM,O/W 9.5 R <br /> Fill Height,H 24 R <br /> Length,L NA ft <br /> Sizeo)Largest Nozzle 9 in <br /> Produrt class Class 3B <br /> Capacity 20000 gal <br /> Wetted Area 716 sq.ft <br /> Venting Capacity Required,SCFH 433,536.26 SUN <br /> RecommeMrt om:. <br /> Min.Nominal Pipe Size,Norma/Vent 4-in or larger <br /> Min.Nominal Pipe Size,Norma/Vent,for <br /> tank with manhole as emergency vent ; <br /> Min.Nominal Pipe Size,Emergency Vent 8 <br /> Emergency Vent Size,w/o Screen NA <br /> Emergency Vent Size,Screen NA <br /> VENT SELECTION <br /> Type of Venting Fixed Roof with Open Vent <br /> Normal Vent: Normal Venting Capacity <br /> Number cf Normal Vents 1 <br /> Size of Vent 1 on Roof(in) 3 50,000 SCFH <br /> Size of largest Product In/Out Nozzle 4 <br /> Normal Venting Size Ok? Ok-low flow rate <br /> Emergency Vent: Emergency Venting Capacity <br /> Number of Emergency Vents 0 <br /> Size <br /> SCIPH <br /> Existing Ven[ngcCapzcity on Tank 0 50,000 SCFH <br /> Existing Venting Capxity Ok? Good <br /> Vent Optiom: Map venting as is <br /> Conclusion: <br /> The tank has a}in normal vent and no emergenry vent The size of the largest noule is 4-In.The tank is serviced vdM a low(approx <br /> 150gpm)flow rate and as such,large,redundant and emergency venting is not required. <br /> .TI.0Dt e..Vali,N..—Unds,G....T. Appaldix DdeRNel1/1419 <br /> lIJA9ReW <br /> OAtePEBl6c <br />