E NGINE E RING CN.. K ANSAS CI T Y ARE A T RANSI T AUT HORI T Y MID-AMERICA ALTERNATIVE FUEL CODES SUMMIT OCTOBER 29, 2014 Ja Jay R. Guerr y R. Guerra PE PE Principal Mechanical Electrical & Plumbing
A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
E NGI NE E RI NG K CAT A Pr oje c t Bac kgr ound - T he CNG Basic s T he pr ima r y ing r e die nt of na tur a l g a s is me tha ne (CH4) whic h is nontoxic , odor le ss, c olor le ss and taste le ss. Na tura l g a s is lig hte r- tha n- a ir a nd will rise unde r norma l c onditions; it’s in a g a se ous for m a t a tmosphe r ic c onditions. Pipe line na tura l g a s is odorize d a s a sa fe ty me a sure to a llow huma n de te c tion. Odorize d na tura l g a s c a n typic a lly be de te c te d by sme ll a t a pproxima te ly 1% na tura l g a s in a ir.
E NGI NE E RI NG K CAT A Pr oje c t Bac kgr ound - T he CNG Basic s Be twe e n 5% a nd 15% na tura l g a s is re quire d to support c ombustion in the a ir. oxima te ly 1100 ˚ F T he ig nition te mpe r a tur e of na tur a l g a s is a ppr CNG is stor e d on the ve hic le in a g a se ous for m whic h ha s be e n e (at 70 ˚ F c ompr e sse d up to 3,600 PSI nominal pr e ssur ). At this pr e ssur e the volume of the natur al gas is 3.5 time s the volume of die se l c onta ining the e quiva le nt e ne r g y.
E NGI NE E RI NG K CAT A F le e t Conve r sion – What is Re quir e d? KC AT A F ac ility Conve r sion (Buildings built in 1977) Ve hic le Stor age , Ve hic le Mainte nanc e • E va lua te Ve ntila tion Re quire me nts • E va lua te the pote ntia l of “Ga s Poc ke ts” • E valuate E le c tr ic al Re quir e me nts • E limina tion of Hig h T e mpe r a tur e Sur fa c e s • L oc a tion of F ue ling Sta tions • Cost of Conve r sion • Cost of Ope r a tion •
E NGI NE E RI NG K CAT A KCAT A SIT E LEG END Ma inte na nc e Bus Sto ra g e Bus Se rvic e (F ue ling , Wa sh) Ne w CNG T ra nsit F ue l Sta tio n
E NGI NE E RI NG K CAT A Na tio na l Co de s Co ve ring Ve hic le Ma inte na nc e F a c ilitie s • I nte rna tio na l Co de Co unc il’ s I nte rna tio na l F ire Co de (I F C 2012) • I nte rna tio na l Me c ha nic a l Co de (I MC 2012) • I nte rna tio na l Building Co de (I BC 2012) • Na tio na l F ire Pro te c tio n Asso c ia tio n’ s NF PA 30A (2012) Co de fo r Mo to r F ue l Dispe nsing F a c ilitie s a nd Re pa ir Ga ra g e s • NF PA 52 (2010) Ve hic ula r Ga se o us F ue l Syste ms Co de • NF PA 88A (2007) Sta nda rds fo r Pa rking Struc ture s
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ve hic le mainte nanc e fac ilitie s Guide line s that c ove r A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
So urc e : NGVAme ric a A CAT K NG RI E NE NGI E
So urc e : NGVAme ric a A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
E NGI NE E RI NG K CAT A KCAT A SIT E LEG END Ma inte na nc e Bus Sto ra g e Bus Se rvic e (F ue ling , Wa sh) Ne w CNG T ra nsit F ue l Sta tio n
A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
A CAT K NG RI E NE NGI E
E NGI NE E RI NG K CAT A L e ssons L e ar ne d E xplosion Proof ve rsus Spa rk Re sista nt AHU’s Use a be lt dr ive n ple num fan whic h is an aluminum fan whe e l whic h won’t • spa rk if a fa ilure c re a te s c onta c t be twe e n the housing a nd fa n whe e l. Use a n e nc lose d fa n c oole d (T E F C) motor so tha t the br ushe s a nd winding s • a r e n’t e xpose d to the a ir str e a m ve r sus a n ope n dr ip pr oof (ODP). Air Sa mpling F ilte rs Re quir e r e pla c ing mor e fr e que ntly while the die se l fle e t is still in ope r a tion. •
E NGINE E RING CN.. K ANSAS CI T Y ARE A T RANSI T AUT HORI T Y MID-AMERICA ALTERNATIVE FUEL CODES SUMMIT OCTOBER 29, 2014 Ja Jay R. Guerr y R. Guerra PE PE Principal Mechanical Electrical & Plumbing (816) 358-1790 jguerra@gdsengr.com
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