E NGINE E RING CN.. K ANSAS CI T Y ARE A T RANSI T AUT - - PowerPoint PPT Presentation

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

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

Pr

• je c t Bac kgr
• und - 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

• je c t Bac kgr
• und - 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.

• T

he ig nition te mpe r a tur e of na tur a l g a s is a ppr

• xima te ly 1100˚F
• 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 c ompr e sse d up to 3,600 PSI nominal pr e ssur e (at 70˚ F ). 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
• c 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

Ma inte na nc e Bus Sto ra g e

LEG END

Bus Se rvic e (F ue ling , Wa sh)

KCAT A SIT E

Ne w CNG T ra nsit F ue l Sta tio n

E NGI NE E RI NG K CAT A

• 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)

• 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

• 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

• 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 Co de s Co ve ring Ve hic le Ma inte na nc e F a c ilitie s

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

Guide line s that c ove r ve hic le mainte nanc e fac ilitie s

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

So urc e : NGVAme ric a

E NGI NE E RI NG K CAT A

So urc e : NGVAme ric a

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

Ma inte na nc e Bus Sto ra g e

LEG END

Bus Se rvic e (F ue ling , Wa sh)

KCAT A SIT E

Ne w CNG T ra nsit F ue l Sta tio n

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

E NGI NE E RI NG K CAT A

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

• of (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 NGI NE E RI NG K CAT A

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