,'.fi\ir
pffi$t$ppffirwffi n$ATilffiruffi
$Y&rumeffiffi
*
FNS/BOE FS l-2:20$5
rcs
ffi
@
ffi
I
IYPluyl,:l1
I
BUHEAU"
oF PRODUCT STANDARDS
75.?00
i:#Jt'i'i
:.1F;::i,:.
lftit:i:
'S:l:;:
''Il
HILil' PIH [i
1\
A:i] [ {}I{A}_.,
STAN}A'{.j}
D]\TCJ
/ranrl
I I\ tJl l-/\-tll
t'.:
t':
l..r:.
,liii'
EQ I n.n
tlftE
tklJtJ-)
-I;:.'
I' LJ L'Ia
,,,L.,.'j
#;l'r:
i$ir.
ar t!rlt:{t
t t t,tv
rt !tf I
tlr
tt
i;
.l:r!ll
.
iji.:liir::
National Stanclard for Retail Or-rtlet Unclerground storage tzurk' PI.{S/DOE
iFS 1-2'.2CC4 was ilreparecl by tlie Depai'[inent of Energy's Tecirnical Comnrittee on
etroleum Processes and Facilities ft:arallel cclnxxittee of BPS/TC 68) Subcornmittee 1 Fuel
$lsrage and Ilispensing Systenr and l/as approved for adoption a.s Philippine National
tandarcl by the Eurreau of Proclucl: Stanclarcls.
ris Phiiippine
The cieveiclpmerrt of this standard u,as initiated by the Department of Energy - Oil Inclustry
istanclards Vlonitoling Division through the Memorandum of Agreement ([4Od) between
DOE-OiME and DTI-BPS
#i:i.i
'i,i:l;,i:.
il#'i,
fti'
l! air
.
ffi
iil,
:
'.ri:l.
r,
This stand arci r4/as prepared to complement Depafirnent Circular No.
fi ovicling {trr lJre ltules and Reglriations Governing the Busine,qs.
Iretroleunl Products
l.;i:..
I il :.',
DC 20A3- 1 1*0 10
of Retailing Liquid
il;ilr'
I
l;f i:
.
a'.
l;",;t:.
l,+i.ti, '
L'
il,,'!rl.i
tru
the cievelopi-iieni of this stanclard the fbllovring stanclards were considered:
ibs;
i.r,t+$i:,:
o API Recornmended Practice 1615-1996: Installation of Underground
Storage Sysrem
6 NFPA 30-1996: Flamrnable and Combustible Liquids Code
+ NFPA 30A-1996: Automol.ive qncl Marine Seruice Station Code
Petroleum
i$'ir
ffi
j:i$fib
''[,+T.
.'iBl.,
In coniunction with this standard the following parts under the general title PNSIDOE FS
Petroleunr produicts - Retail outlet are also being issued.
.",:I+l'.1-'
1
ffi
i]f..++u:'ri
'1i91rr..
s
s
s
s
Fart i : .ileai'lh, safety ancl environitlellt
.Part 2. iJnrlerground storage tank
Part ii: Piping system
Par [ .i : iiispensing pump
:
;F.!f;':11:'
,fli#,
'lli!:lirll.
,iifu''i
r9+i.l;,
ill,tl,,..,
{fi*,",
{lili'
triiil
f
lil',
'
1;'::i.i,
:li'tI l'j::ti'
ll :1
:li:
,:.i:.
:
-,..
l'l'.
"1,'l:
'#;il
'f,rj
t'r,
l.:.
.
I'
t.,
1,1
l'r
"
I
l
i
PFX
T}-IPPil{E I{ATIOI{AL STANDAIT]}
1
PNS/DOE FS 1,-2:200s
Siope
This stand.arrl
1.1
speciL-res the requii'ements
for the following:
The tank for petroleum proclucts used in Retaii Outlet. Tiris refers to gasoline, diesel,
anel kerosene tanlcs.
1.?
Tank clesign performance and construction'
1,3
The installation and l0cation. of tallcs at retail outlet.
1-4
Operations, perioclic rnaintenance and eventual disposal of the undergtound tank.
not include tanks for lube oils, aviation fliels, chemicals, solvents, asphalt,
u,aste oi], water etc.
1.5
It
7,
T{.ef'erences,
cloes
Tire titles of the sta.rrdalds publ.ications referred to in this standard are listed on the inside
bacli col'er,
3
Definitiorrs
For tire pupose of tSis sianda'd., the following definitions 4pply:
3.X
automatic tank gauging (dTG) s5'stem
atl automatic gaugitlg system usecl to rleasur.e the level of and provide information on
petl'olentn'plocluct in an ullde S9und storege tanlc and/or to measllre the rate of change in the
ierrel of peiloleum piodutct over ei penocl of tirne
,.
3.A
buildin g structul'e
any stn-rcttu e built oI constl.ucled, nr edifice or building of any kincl or ,any piece of
artificia1ly bujlt up or colltposed of parls joint together in solne definite manner
wor{<
3.3
corrosion protectioit
a lneans to lessel or prevent the deterioration of a rnateriai, usually a metal, fl'om a reaction
with its envi::olment; or ilre use of a material known to be non-reactive to its anticipated
e5'vironnr.ent; or the use of amaterial to isoiate the metals from the.environment
3.il
n res is tive Inateria]
a matefierl tirat resists ail fnrrns of electrochemical corrosion
cil r't"oriio
I
PNS/IIOE FS 1-7:2005
'3.5
double vyall tanh
a forn of secondary containment in which a storage tank is conskucted with shells or walis
rryith an irrlerstice between to contain a release fi'ornthe primary (that is, inner) tank
Y-n<-
i
3.6
fiberglass reinforced plastic (FRP)
thermosettin-g resin laminate (marerial cornposed of several layers of fiberglass and resin)
rvirere the resin is a plastic substance used. as a matrix for glass fibers
i-rlne'rne*ble
zr
li*er flV\d
barrier: material that impedes the rnigration of released product. This secondaly liner/barrier
beneath or partially surrounding the UGT system consis-ts of artifrcially constructed'material
tlrat is suf'ficiently thick and impelmeable (at least 10'6 cm./sec for the regulated substance
stored) to direct a release to the rnonitoring point and permit its detection
3.8
j a clieterl tanlc
a single rvarll steel prim ary tarrl< with a fiberglass or high density polyethylene (HDPE) outer
tanlc sCIllaratecl by a layer o:f rnesh
3.9
leai<
a release
of procluct tlrrough a perforation, hole, crack, or other opening in any cornponent of
an underground storage tank systern, including either primary or containment hardware
3.tr 0
liq uid petroleurn products
lsfers to crtrde oil clelived lrrodllcts limited to gasolirle, diesel and lcerosone only ^
J
3.11
Listecl
equipment or material inclucled in a list publishecl by an organization that is acceptable. This
orgairization is concer:necl wi.lh procluct evaluation that maintains' periodic inspection of
procluctiorl of listed equipment or materials. This organization's listing equipment-or materjal
meets appropriate standar-ds or has been tested and found suitabie for use in a specified
Inal1]lcl3
"72
nlonitoring
the periodic checlcing
ot testing of atl und ergrolrnd
storage tanlc system.'s equipnten[,
detecliorr devices, and rrronitoring or observation wells for evidence of released pstroleuln
product or fol verifyiog the integrity of the system
3.13
o!:servation well
a crLscci rn-glound well thaL 1a.1 is in oonLact vvith grourrclwater ancl (b) is designed to assisl lll
detecting releases of liquid ploduct li:om an underground storage tard< systern
Pi{S/DOE, FS 1-7:2005
3.14".
(
operation al life
starts when the undergrollncl storage tank slistem
undergrolrnd and ends when" the system is properly removed or abandoned
refer
s to the period tlrat
is first placed
3.15
pre-instzrllation tanlc test
a test for unclelground storage tad<;that is conducted before the tatd<'s instaliation and the
introduction of prociuc
3.76
remote pumping system or submerged pumping system
a systern i:rl r,vhictr one or more pumping units push pefi:oleum product via a pressurized
pqrirlg system, to one or more points away.from the tani< or.tarrks
3.77
.
retail outlet, also refer to liquicl petroleurn product retail outlet'
a. gasoline station, outlet, facility or business estabiishment which selis or dispenses liquid
petr-oleum products directly to individual end user/s or the public
3.18
nclary containment
zlry system in which an outer.or secondary container or impervious liner prevents petroleun'r
product releases from-the prinrary container frorrr reaching the srtrrounding.environment for a
tirte sufficient to allow the released productis d.otection and control
seco
3.19
siph oi:
piping that intercorurects two 01' more underground tanks permitting the automatic transfer of
1ic1r-ric1 until equ aiiz.ation is accompiisired
3.2,0
:
tanlc. tightness test
a test of tlre liciuicl product ha:rclling
portion of an underground storage system or
a
portion of
the systenr
3.27
undei'ground storage tank (IJGT)
a conl.ain.er lhat has a capacity of more tiran 416 liters (110 gallons),
petroleum ploducts, ancl is buried cornpletely underglound
is
used
to store
3"72
vault
strncturle? usr-rally constmcted
corltajn fuel storage tartl<s
LL
of concrete and containing no backfill material, to house or
.3.23
visuirl iu.spcc[itttt
an oxamination, with the nakecl eye, to detect the presence of petroleurn product
PI{S/DOE trS 1-z:200s
Sesign perforrnance
4.1 !-unctional - The plan-ning of ar-r underground tank capacity requires consideration of
imrnediate and future operational requirernents forthe site in ordeito' guio economic
benefit
from trucking'operatior-rs, limit disroption on site during deliveries,limiTpossibility of having
to replace tarrlcs before their design life is reached", provide a reservi ir,
of supply
"ur"
disruption or meet peak demanct, a:rd absorb fliture sales growth.
4.2
Civil rvorks
4.2.1. Tank location
4.2.1'l
Tanlis shall be iocated to minimize the amount of maneuvering necessary for the
tzurli tr_uck making the product delively to reach the iill openings. ivh"r"y"1 possitrL,
delivelies sh,all be acconrplished without the need for tlie tru.ck to
or travel in rev"rse.
-o.r"
4,2.7.2 Ta:rlis shall be located
so that the tanlc truclc rnalcing the prod.uct d.elivery will not be
on pubiic right-of-rvay, bloclc motor:ists? rzieu,s of roadway, nor irnpede the flow of vehicles
or pe destrjans
4.2-1-3 Tanl< edge shall not be less than 1 m (-3 ft) fi:om the property iine or any other
building stn-rcfure. lf soil instability creates concern, clualified ptof".rioual assistance is
recommendecl. (Refer also to 4.2.2.3).
4.?.1.4' Llnclerground
tanJcs or tanks uncler build.ing shall be so located with' respect to
existing building foundations and srrpporls so that the load carried by the latter cannqt
tls
transmitted to the tanks.
4.2.2
Soil
{'pe
4'2'2.1
lJecause many site-specific factors reiated to soil conditions and drainage that
affect
the safety and operational life of any underground tank, it ir
io,?grdr"i^ri;
,ana-lvsis. Factors affecting may includ.e but L'e not n"cessanity""p"*limited to soil stability,
underground rocl< soil resistivity, acidify, moisture, sulfide content and presence
or absence
of contamination.
4'7'2.2 A site analysis shail be rnade of soil stability
and soil compositio' with respect to
of underground tanks to be ir:stalled. Soil ctrrosivity need not be evaluated if the
.t!e,tvpe
tanks to be installed are meLde of cortosion resistive mateiials, e.g., FRp,
high .density
poiyethyiene (!IDPE). For tank type, refer to 5.2.2 and.5.2.3.
4:2.:2'3 Tire clesign engineel rnust detemrine the slope stability of the soil such
that the
ability of'the side wall of the excavation to remain stabie ancl safo fbr wor-kers
througpout the
the tank is being instalieci. Tire amourt of slope (or benching) required
*rl o?i".-i""
1'1ioo
rne ex cavatron
dtmensrons.
.
tr
PNS/DOtr F'S 1-2:2005
4.2.3' Fedcling and bnckfilling
4:7.3.1 Steel and Jacketed. Tareks. Sand is generaliy used to bed and'backfill around these
tanks to provide even supporl along the length of flie tank, to cushion against puncture Uy
rocli or ]reud nraterials, and to isolate the tank against chemical reaction from aggressive clay
soils. S.i"nd backfill shall be cle:m, non-p1astic,-chemically inert, and free froiisalt, sfrefii
organic martter, balls of clay, lump of eartlr. and conosive material
,
4.2'.3.?' Fiherglass tzruks - A ciean, self-compacting;'pea gravel (naturalty rounded r-iver
gravel of nominal size 4.75 rrrm to 19 mm) approved by tank manufacturer, shall be used to
bed ar-rcl backfi.ll around the fiberglass tank. Where asuitable source of p*a gravel is.not
suiterble, washed, crushed ston.e ol gravel of nominal size 4.t5 *T
13.2 mm may be used.
l.
4.2-3-'3 At sites where the nertLue of the grouncl i,s such that the sand. or lrea gravel may be
washed away into the surroundin.g rnateriaf or allow tlte tank or tardc slab to settle, the backlill
material sl:ali be enclosed by a filter fabric to pievent migration. Filter fabrics are
recorlmelld ed for the fo llowing instali ations :
a.
b.
c.
wher-e ticlal conditions or frequent changes of water table
in ulstable soil type
in loose gravel soils
level exist
4.2.4 Anchorage
4.2.4.1 A:r rurdergrouncl
tani< can float if it is submerged in a high waier table or as a result
of flooding, everl if the tank is partly. or completely fuil of produit. The product weigirt, the
tank weight, tire type of tarrk cover ftackfill and paving) and ireight of aro'nd the t"ank all
have an effect on wheflrer a tank u'il1 float.
/
{a.z-q-2. If a trigh water
table exists or
if flood.ing
can be expected, tanks shall be anchored.
4.2.5 Loading
/+.2.5.1 llJre cover over: the tarrlc will vary depending on tire type of traffic over the
tank and
the possible tamk float-ourt condjtjons.
4.2-5-2
.hl a:'eas that are subject or are likely subject to traffic (see Figure 1), the cover shall
consists of one oflthe fbllowing options:
a. a''i'''rum of 0.91 m (36 inches) of well-tarnperecl backfill
b' a nriniuirim of 0.46 ru (18 inched) of weli tampered backfill, plus at least 0.15 m
(6 inch.es) of r:einforced concrete
c' a minirnurn of 0.46 m (18 inches) well-tampered backfill, plus at least 0.20 m (g inches)
of asphaltic concrete
4-?.5-3 hr areas tlrat are not subject to traffic (see Figure 2), trre cover shall consist of
rninimum of 0.61 n'(24 i'ches) of backfili, or a rninimrim of o.:o *
1tz inches) of backfill
pl,rs at least 0.10 ni (4 inches)'of reinforced cog.crete.
er
PNS/DOE FS 1-2:2005
PAVED
I
I
I
I
I
I
o.urn,
I
I
I
i_
I
\-
BACKFTLL
BACKFILL
(sand / pea gravel)
Fligul-e J. - Area subject to
tl'affic
4.3
F/i-ecir
a
nical
(sand
/ pea gravel)
IrigureZ -Area not subject
to
traffic
\
4,3.1 Tanli fittings
4.3.1,.1 Prior to purchasing of
tani< fittings, thought shall be given to the number and size of
tank openings needed. The tank'inanufactruer's specifications and drawings must be check to
detet:nine the types, sizes and capacities that are avaitabl'e. The minimum tank fittings to be
considered'on tank fabrications are the following: Sticlc line, Fill line, Vent line, Suctiop
purnp/ Discirarge line and Manway. Some of the optionai tank opening may be considered by
the owners a"re as follow: Automatic Tank gauging, Siphon connection, ancl,,tank intersdcl
for doubie wal.l tanks.
4.3.1.?
Connectjons for all tank oirening shall be liquid tight,
4..3;1.3 Tank openings, fill pipes, fill
caps and fiI1 ties shalt be normally 0.13 m (4 i1.) in
diarneter. SrLbrnersible pumps designed with the capacity to meet the norrnal layout and
operation requirernents of retail outlet are buiit with 0.10 m (4 inch) tank openings. If greater
capacity is needed, l.arger punps and tank openings rnay be requirecl.
4..3.l."z$ Fil] ancl clischarge lines shall enter tanks only through the top. Fill Jines shall be
slopecl towzrrCs tire tarrlc" lJnclergronncl tanks for petroleum products having a capacity of
more tharr 3785 I- (1000 gal) shall be equripped rn'ith a tight fil1 d"evice connecting the fill
lrose to the ta:rlc.
4.3.1.5 trill pjpes that entel at the top of tanks shaIl terninate not higher than 15 cur (6 in.)
at the botto:n of the tauk. Ilill pipes slrerll be installed or ar.rangecl so tlrat vibration is
nrinirn iz,ed.
L
PNS/]DOE FS t_2:2005
1'3J'6- Jlilli'g ttll:l',]P'r'ne fbr. pet'oieum procructs that are made and tenninated
shalr be
b,ilcii,gt *lJr"i1"n q"Jqo*-ori'ro.o""
of ignition arid not less than
""t
i-ii' ll?"flJ;fi',*",il*ll,l*tn:l*tiitil":J;ections shalr be closed a'd riquid
located.r-rtsicle of
4'3'2 Dri'e'v'ay nranholes The
irrocluct b.lrrg halcllecl and *re size of
*rarhed o:r the frll a'sse'rbly or:'riuriril:
the tank shall be
code or bv starrping ot ott,",'*irJ'pptying
:over. rne proauct ca' be ioentigeo rry using a coror
th" t;;;;;"
both mea's' 'flre *rzurwuy
{r" fixed porlion of ,re fiIl
rrrirrr u"l"rig,',"aloto ca:ry
"r
rnaximum verricular
"or",
ffiiil]t
4.3.3
Srint.p
4'3'3':l
A sunrp is a liqr-ricl tight
ir
fionr fhe faurl< systenr.
e
r:closur-e installecl to contain
1:roduct
ttr-3-3.2, -fjie ir,,rr1,
systern srra1r be provided
corl\/eyalt ce.
4.4
ror
al1
i'advertentiy releasecl
tar:I< openings i'tencred
for
prccruct
Corr-osion ;lr.otection
frl;1*J"n'osion
Protection' (AIso refer to .2.z)Tanlcs
and their'fini'gs shaJr be prorecred
4'4'1'1 4 properly engineered, instail.ed,
accord anc e wi th reco gniiecl
a'
b'
c'
d'
e'
f'
sta-n
a'c1 rnai'tained corrosion protection
jards or a-esr
syste'r in
gn, ;;';;,
Ameiican ' P"trol"u"r Jlstit'te-Publication
r632-Lgg6, cathoclic protection
t/' d ergr.orLn cl p etro I eum S torage u,_,f.r^ *rJof
f
ipi'
g,i yrt"*. ;
1
Unclerwriters La6oratott"*,-ii*aiucl
for c"rrriii"'cooorio' protection
steer lJncierg'ouncl ra'ks for Flamrnable
systems for
ancr combustirrle Liquids;
steel Tiur-k rnstitute stanclard, s-p-eJ;;;"il.r'
""'' Manuar ior" n*t**ur co*osio'
P'otechro'of u'clergro,'cl steei storug"
r"rrr..;
National Association-orcorro.ion,eogin""t
ii*rd*-cl, contror of Externar conosion
Undergrounct or. S ubrn ergecl trzretait
of
ic Flphg #"t"iil
of ior'osion Engilie; iit;;;;,
conrror of Extemal conosior.r
*:f;ili:Associatio'
on
underwriters Laboratories, standarcl
lbr: Extemal con-osion protection
lJndergr.or_rn cl Storage Tanis
systems ro, st."t
4'4'1'2
Approvecl or listecl corros.ion-resistant
materjals or systems, wrrich
can incrude
,,"i,'io,""J-'0i",,', coari'gs or
;ff:,iiJ,'Jifill.fllxiffi,,,T::-1;;,:1
;i;;"'"'i#ilH
f;i,3,,:;fl,::rJ.."|T:,fiT.il:TJl?ffi;:;'H;iJ#
sha,, be based upon,re
conosion
PFIS/DOE FS L-2:200S
4.5
4.5
'Ccntrols llttstl'umentation
"'l llip sticl<
4.5.1.1 A calibratecl clip sticic
generally m.acle of T-section ralurninum, and of sufficient
length (shall reach tank bottom brrt able to cletermine final surface level), shall be suppliecl
wilh the irosl tank,
4.5.-1'.2 Or any other measuring device made of non-sparlcing material may be used.
4.5.2 Leak detecfion
;
4.5.2.1 Monitoring wells cletect
the presence of peb:oleum products on the groundwater and
located within the perimeter of the retail outlet.
The well casings sha1l be at least 0.10 m G in.) in diameter with maximum of 0.5 mm (0.020
inch) glacluated slots at every 0.33 m (12 in) rise along altemating axis.
t
4-5.2.2 Doubie wall tank recluires
betr,rrr:en
ineans of cl.etecting leaks
the furo tarrk shells. Four methods are cortmonly used:
zr.
in 1he interstitial
space.
Eiectricai - A water/hydlocar"bon sensitive plobe is'positioned. at the base of the tank at
the time of'manufacfure. This probe sets off an alarm should. it d.etect prod.uct out of the
primary tarrk, or water into the secondary tank.
Mecireurical - A 50 mm cliameter cirop tube is installecl at the time of manufactur-e,
running from the top to the boftom of the tank and into the interStitial space.'A float
stvitch fixecl to the inside of the tube can kigger a waming light and indicate product or
rvater in the interstitial space.
Vacuum test - A,negative 35 iiPA vacuum test; held for 30 minutes, is used to detect a
leak in the interstitial space.
Voir-une change - fhe interstitial space is filied with a fluid such as tri-ethylene glycol
(steel tanks) or brine (fiberglass). A leer,]r in either the inner or outer slcin causes a volume
change detected by a level incli.cator located at the top of the tank. Tiris systern is
installecl at the time of manrifacture.
a.
b.
C.
d.
\
t
4-5.2-3 water rnay enter into tlre prirnary tank fr'om loose tank top fittings. lJsually \ /ater is
detected by per:iodically wiping rn,ater-finding paste into the bottom of the tanh dip stick. A
change of color will indicate the cleptlt of water present.
z*-5.2.4
If leak is evident, r:ectil=rcation rnnst be cond"ucted to qualify on Or.t! of Service
Inspection (OOSI) requirement for undergrouncl storage tank.
Tanli constl'u ction
5.1
5.1
.
Materials
tr
slanclal'
Tanlcs shall be clesjgrecl atlcl built in accorclance witlr t'ecognized goocl engil]oering
aspnoviclecl Llnder any of the fcllowing:
'APl:, Stanclarcl
650- Igg3
'Weldecl
Steel fbr
Oil Storage
ll
PNS/IIOE FS 1-2:2005
b.
C.
cI.
C^
] Standard sszlt991, Tank inspection, Repair, ..A.lteration and Reconstructiol
-AE9M-IIzIO?FT994, Specifications for Giass Fiber-Reinforced Polyester Undergrould
Petloleum Tanks
UL 58-i993, Steel Underground Tarilcs fol Flamrnable and Combustibie Liquids
fJL; 131.6-1993, Glass Fiber Reinforced Plastic Undergrounrl Storagl Tanks for
FetrolclllL Proclucts
The ixatet:ial oJ tanlc construction shali be compatible with the liquicl to be stored. hr case of
cloubt about the properties of the tiquid to be storecl, the supplier or prod.ucer of the triquid
shali ,be ooitsLrltecl regarcling the allpropriateness of the rnaterial.
5.2
]Ja b rication
5.2.7
J'arrlcs sirall
practice.
b* penrnitted'to be of any sirapb or b/pe consistent with sound engineering
5.2.2
Steel tanks - Tanks shzrll be conshrrcted fi'om rolled carbon steel plate, welded
together to meet the requirenr.ents of IIL 58-1993 stand.ard. The outer swface shall have al1
ex[ernal sha:p corners, burrs and weld pinnacles removed, then be abrasive blast-cleaned to
SA 2.5 or equivalent. The entire extemal surface of the tank shall be painted witS a primer
then coated rvitir an approvedbihrmen/asphalt-based coating at 10 rnils dft.
5.2.3
Jacketed tanhs
5.2.3.1, The primary steel ta:rlc Shal1 meet the requirements of UL 58-1993 standard.
Flanged ends ale preferred. The outer srrface of tire primary steel tard< shall have all external
sharp colalers, brn'rs ancl weld pinnacles removed. It is not required to fuither keat or coat the
stee1surfacepriortoac1c1itionoftlresecondarytank.
5.2.3.2
The tzurk shall be clacl with a stand-offmesh to create the interstitial space.
5.2.3.3
The guter sheli (secondary tarrlc) can be qonstn-rcted either:
a.
b.
In accordance witl: uLl746-1993, high d.ensity polyeflrylene (HDpE),
In accordance with lll- 13 76-7993, fiberglass
5.2,4 Fii.rerglass
accorclance r^,/ith
6
[n stil
Tarrks shali be constructecl of fibergtrass reinfarced polyester resin in
993 by a manllfacturer authorized to use the IJI-, ftrbrication label.
LIL 1316-1
liation
6.1
Any carlh excervating ploceclure presents safety hazards relatecl to the presence of
unslable soils, water, released product an{ proving equipmen!. The results of any soil a'alysis
o1
survey shall be available prior to excavating 4ctivities. Special atteniion
fVAto-geological
shallbegiventosl.opirrgorslroringt1resic1esoftheexcavationto-rna1cetlremsiable
6.2
Excavations fcrr steel and FRP tardcs shall be d.eep enouglr to provide for a back fil1 of
recommendecl by the
manufactur:er:s), wiflr or without a hold.down pad. The burial deptir of flre tank depends
o' the
manufacturer's t'ecomnrendations, tank diameter, locai reguiations, the type of finished
at least 0.30 rn (12 in.) below the bottom of the tank (or,as
PNS/DOE FS 1-2:2005
''API
b
Stzrncjard 653-1991, Tank inspection, Repair, Alteration and Reconstruction
ASTIVI D402I-1994, Specilications for GlaJs Fiber-Reinforced n"fy"ri*i
Uid"rg.ou,rd
Petroieuirr Tanks
UL 58-1993, Steel Underground Tanlcs for Flamrnable ancl Combustible
Liquids
tJL 7316-1993; Glass Fiber Reinforcect Piastic Undergrouncl storali--tanks
for
:---*bPetroieum Products
CI.
l=^
lfhe inatel'ial oi tanlc constructiorr sha1l be compatible with the liquid to be
stored. In case of
cloubt aborit the properties of the tiquicl to be itorecl, the supplier or producer
of the iiquid
shall ,be consulte cl regarcling the allpropriater1ess of the material.
5.2
]:riri:
rication
5.2.7 I'arrlcs sJrali b* pen:ritted-lo be of ariy shape or tlpe consistent with sound engineering
practice.
5'2'2
'Steel tanhs - Tanks shail be conshucted fi-om rolled. carbon steel plate, welded
togetirer to rneet the requirements of trl, 58-1993 standar.d. rir"
;i'";; _shall have aii
external sharp cornel's, buns and weld pinnacles removed, then be
""t"i
abrasive blast-cleaned to
SA 2'5 or equivaient. The entire extemal sqrface of the tank shal1 be painted"
wigr a primer
then coated v'ith an approved bihrmen/aspbait-based
ut 10 rnils dft.
"ootirrg
i
5.2.3 Jacketccl tanhs
5',2'3'7 Tlie primary steel tank shall meet the requiremenJs of UL 5g-1g93
standard.
Flanged ends are preferrecl. The outer surface of the pti**y steet tar*
sfr"rf fr*"
sharp cornel-s, bru'rs ancl weld pimacies removeo. lt ii
tlquir:"d;##;;; "fi;;#i
#;i;
"*
stee]surfacepriortoadc1itionoftiresecond'arytank.
5'2'3'2
The tanl< shall be clacl with a stand-off mesh to create the interstitial
space.
5.2.3.3
The outer shell (seconclary tank) cem be eonshrrcted eiflrer:
a.
b.
In accordance with \J;Lr.,46-1993, hlqh density polyetJrylene (FIDpE)
In accrordernce with UL 1316-1993, fiberglass -
,
.
5'2'4
.Fiberglass-- Tzurks shali be constructed of fiberglass reinforced polyester resin in
accotdance with tll- 1316-1993 by a manufactr:rer authoriid
to use tfr" W-fuUrication label.
6
Installation
6'1 Arly earth excavatilig proceclure presents safety hazaids relatecl to the presence
of
unstable soils, water, released product
equipment.
The
gf
results
any
soil
a'alysis
Tg."]ouiqg
ol
q"ffi;;. Ji""iur artention
fy-dro-seological slrrvey shall be available prior to
shall be given to sloping or shoring the sicles oith" excavation
"""u"uti"f
to-rnake ttrem siaUte.
6'2
Excavations for steel and FRP tanks shall be deep enough
to provide fbr a back fill of
at least 0'30 m (12 in-) below the bottom of the'turrk (or,u,
,""o-*ended by the
manufactu::er:s), with or: without a hold-down pad.'The
irutiuLa"ptfr;id;1;;ili"p"rrd, on the
tnanu'facturer'.s recotrlmendations, tank diameter, local
regui",i"*,-lir;rlap" of finished
PNS/DOtr FS'1-z:200S
surfuce to be api:lied, soil conciitio:rs,
l:pograpL)', the vertical distance neecled to provide the
leq uired slope lar vapor ancl proclu.ct lines,
the rninimum depth of cover fbr the pipirrg,
a*d
suction Irjls
6'3
steel zmcl FRP shall be piaced on a bed of suitabie baclcflll
that has been graded,
leveled ancl to the.depflr specifieci in 6,2:^ApproximatriJlo
;.j';ii""kfil',
or rhe
a::rount recorunended by the tanl< ma:rufactruer-, shall
""r'i;;fr"#""" the hold-down
be instaflj
pad and tad< bottorn. An rurdergrorurcl tank shail never
t" i"rt"H"o"ar.L.ii, on hol4-down
padlar-iclior:age' colnpactecl earlir or any hard sur.face.
Care shall be.talcen -wiren the tank is
lor.vered into the excavation to prevent du*ug".
6'4
SuitaLble
backfill shall be placed ca:efully along the boltom quadrant
of the tank to
talk supporl.
prerrent morrernent and to ensure proper
6'5 It is occztsjonally necessary to instali nrore than one storage tanl< for a given
prod*ct.
Such tanks rrray be interconnectecl by m.eans of a siphon :connection,
which
per.mits
the
equalizatio:r of flre product levef in the. connected tanks.
Interconnec;"J't*il;shall have the
saru e top elevati on to avo i d op erati o nai and./or regulatory/spillsa
pr,obl;;;.'---616 Tanks can be secured against flotation in several ways. The followrng are some
of the
most.recent methods used :
6.6-tr Placing zr. concrete slab uncler the tanlcs, witlr 0.15 rn to 0.30 m (6,- 12 tt:-.),
cushion of
proper backfill between tlre bottonr of the tank ancl the
s1ab, and anchoring the tard< to the
i
slab
6.6.2
thereto.
]3ui-yillg concrete cleachne'/sinl(ers on either side of the
tanJc, ancl anchoring the tantrr
6'6'3 Burying the tank deeper lhan norma|2.13 m (not e>{ceeciing
rrrethodnriLyresrr1tinaccesspiob1ernsfortarr]<top1rar.jware_*o uL limit of 7 feet). This
6'7
When a:rchor straps' are tlsecl, the straps shall be installed.
in accordance with
manufacturer's instruction since speciai stgaps, special
installation requirenients or special
stlap rocations may be recluirecl to protect tire talks or
their coatings from.d.atnage or to
protect the inlegjty of the corrosion protection system.
6'8 Seconciary containutents for tar:ks can be provided by the use of
double wall tanks.
'rire type of secondzry containmenl
used clepends on tr." .ii"
"l"airi"", *o-l""lrro*ic
factor-s.
seconclafy contait:ment i* ,""omrrrendecl gl rg* installations
wiiere the sole-source aquifer
requires protection, llresence of public potable *ater
*.il *itLin rom,"i* from the site.
6.9
\/arrlting a conunon wall
6'9'1 There sirall be no.openi'gs in tire vault enciosure except those
necessary fo' access to
inspection, Jir1ling, emptying and.iientilrg of the tank.
l0
:
PNS/DOE FS t_2:2005
Tire'r'vails and floor of a co.crete
vault shalr be consfruated of
leasl 0'15 m (6 ia') thickreinforced concrete at
Tlt;;;;;al_r be
noncombustibre-material.
floor of tire vault a'd the ta'r< ?orrnaatio'
The ron.
shalt t" l"rigrr"d;"
loading i'crudir:g sq' ancr
,rr"
anticipated
iivor.lm.
--' * --''
rJ"J*g.
ina supporr;;i bp srructura'y
designed for- this application.
!'9'2
";;;;;of
i'il,
f;3;l
;fii#o
'fhe va*lt shalJ be
s'ubstanlia1ly liq'id tlsrrf ana
there srralr be no backfiil
around the
ff,1-,.fi,:lJ1i,j'o#]l
t"
tanl< sirall
,be
s,itabiv anciro'ed ro wirhsrand
*plifti'g by
6..10 Ballasting
6'10'1 U'cJerg::o,ncr ranrcs oa' be
o"t3:l:1il
with product afrer flre tanks ar.e
mstalled and baclcfill has bee' placJ
"::",.r1u.
around'rire
tant<,
liis
the ballast jn the tard< sirall
the height of
"ot-"""""d *re tevei oi ir""#rr alound tLu tuoi. rrowever, at no
bdrasr in
rank exceed 0 30 m
r";d;;;;ffi:"
llTi#|*ll1: i"XTTrTf"ffiTn:j*Hl#-*';ff:
're
pumps shar nor be
,,ubposibre
of water d"ii;il rh"li # ;;
rs removed'
Disposal
'11,x'1"y;fi11?;:",;:"1i'##1,"#,"',:':l:,1::r:"T"'?r,
accordance
to uppropriate regulations.
6'10'3 wirert product is usecl as
ballast,
ffiHif"-ffiffffi-#fft
n.a
required in rrand-ring, co',.oqing
:*:,,',
i'ventories,
fi"ft;:Ti,
and pumps ,sharl be kept
"*ia""t";
''J
"*'
rocked
6,11 Ol:ser\leltion well /
6,7
,'observatio' well, locertecl at the low,sicle of the ta'lc, srral
be i*stallecl--for
:onl of t]:e well shall be at ieast
0.33 nr (rz in.)
,€ach ti
,,' .--.n9'
'.
below tire tank bottom*
6.77.2 The soir belwee'tarircs
a,d,trre observation weils rnust
be
00ai'se
torrrediumsattds,a:r'dcoarsesi1ts.@suchasgravels,
l
6'11'3 The slotted'ortjon of
the weiJ casing-and the gravel.pack
i'stalled to pr-eve't migr:ation
around the welr must be
fi'e
soil into a
bacr<fill
or i'to a werl.
"iooi.,r]*i
"o*r"
6,17.4 The observatior:
sealed fiorn tire top of the
0. 15 m (6 in.) i:elorv
filter pack. This is norrnalry
the
fflh::ilte
*#;irrr33;it;otto"
wells sl:all be clearlv markecl
and secured to avoicl
6,12
'naurhorized
access
Once tire tanlr prlle worJ{,
electr ical wrrlng, s-nbmersible
pumps and manhole
stalled, baclcfilling is completecl
lisers are
to the Lrnclerside of the tank
ecified in 6.6 .I
slat level. The tank slab
is
.
1i
-
PNS/DOE, FS l-2:2005
-7
n'I
I .L
Site testing aud comrnissioning
xla'e-ins{,allntion inspection anci testing
7.1"1 'Ulrori delivery at the installation site ancl just prior to installation, tankrs'shall
be
carehliy inspected to ensure that they oomply with the applicabie specifications and to detect
any erridence of damage to coatings, materials or structue. Another careful visuai inspection
.Llvlt.
slrall be conducted just prior to inStallation.
i
I
,1
'i
,'l
f
I
I
I
.
.$
7.1.7'Befor.e a tanl<
is
instalied, the inside verlical diameter shall be measured and
pemranently recorded for comparison with post installation measurements and for future
reference. The insicle vertical d.iameter of flre tank ca:r be measured. from the top of the bung
(or opening) in three locations (that is, the middle and bot'h ends of the tank). The deflectioir
f
I
t
t
, ,j
I :rl
.'T
: :t
,: i.iif,
ri
ii
' (difference between pre-installation and post-installation measruements)
musfrnot exceed the
tanli lnanufactr-u er' s reconunendations.
7.2
I
iii,l
I .rt
:.t
, :il
'i
r, :I:
i,:itlr
',li
,i
.
i
,l
:;,
i{
irl
,'
il
$.s
rsi
ts
$f
'ii.!l
il:
.t&
1
i$
;!*
riii
!:tr
'1*
:i!
.?.3 When the intenra.l pressllre is achievecl, the pressrrre source shail be discon:rected
fiom Lhe tank, all seam.s, brlngs, and man-hoies shall be unifor:niy coated. and recoated as
"I
by the presence of bubbles identified by
:i.iI
t!f
.;L
iF
:_4
.iB
a
:it
.";
:;f
r4
in,
7.2.4 lf bubbles are observed around fiitings, tlie fittings shallbe checked for tightness and
'repaired as necessary. If leaks ar:e detected in seams or the shell, the supplier/manufacturer
,
.rt
:$
rrii
.
iii
.:ilili
f,i
lF*
,ii
shali be notified.
,i{
);f
;it
li
4,$
7.2,.5 Afier teurk jnstallation, similar lrydrostatic or air pressure test procedure shall be
conducted to deternrine tank integr-ity.
1
riI
:ii
iii
:i1
.lj
;!l
r:
tir
r:{
7.2,6
For used tanl<s, Out of Service Inspection (OOSI) procedure shall be conducted prior
to'integr-ity test.
T2
l
i
lil
necessflr5r \A/ith a s6ap solutiorr" Leahs are detected
rris ual inspec ti ori.
I
I
I
:i
presstt:Jtzatton. ,
I
r.$
*,J
7.2.1.
7.2..2 Pi-ior to pressurization, flre external surface of the tank shall be inspected for clefects.
A hydrostatic or air pressrue (for new tanJrs only) applicable for tarrk is appiied (according to
the manufactuler's recommended procbdures) to raise the inlernql tank pressure to a level
l€conmended for this test by the memufachrer, usually not les-s than 3 psi but not more than
5 psi with at least 30 minutes holding time, A pressure gauge with a maximum range of 10-i5
psi with gladuations of no more tiran % pst incr-ernents shall be usecl to confirm proper
I
I
I
Testing of single rvall tanhs
A11 factory installed brurgs (piugs) are removed frorn the tank, and a pipe, tluead
sealant certifiecl for petroleurlr service or for, the fuel to be stored. is applied.. The bungs are
then i'eplaced ancl tightened to ensure that no air or water. is released during testing. Any
ternporary bungs or dust covels shall be replaced with solid bungs.
i
I
,t
'ri
it
.
:tt
i
PNS/IDOE FS t-Z:2005
' 7 '3
7'3'j'
?esting af croubre waII
tantrcs
DoLrbie wall tatrks provicle a forp.
of seco'dary co'tair:ment and it
contain an i'ternal
cavity (that is' flle space betwee' rire
irrner *a
iant
watts)
called
an interstice. This
space may aiso be refened to as,i'terstitial
""lJi
*pu"",-*t-annurus,
or
an
*rri"r space. The
interstice is a feafure that provicl"t
roi contairmrent anJ detectioo ori"r"".lr**a
to pro'ide per'ranent sto'age of product.
is not meant
irr" pri*"iliJ"r.r.*""r^;".;;;;ferred
rn'er" ta'k' a'd the exte'ior of the ta'i<
to as the
as the outer,oni.--
7'3'2 Both.the i'ner ancl outer shells of a doubte
wall tanl< shall be tested prior to
installatio'' lt is extre'rely i*pottu',t rrruilr,";;;;"";"rer
-.'-will determine the exact test
methocis and protocols for flreir
iroduct. .
\4iARhrrlvc Pressurizatio' of the interstice-clirectly
outsid.e air source is
d;ngerous ancl shall be strictly ptotriui-t-eJ-il;;;, from an-,,*";
enter the
lr"i. white the
interstice is under pressure. Remember t"
r*u'"*.i
fiom
the
t*rr.-""a,
*t ile the tank
under
pressure.
8
QuaXity assurance
8'1 Ta'k i'a'ufacturervsuppliers
,oqTit details of quality assurance piograrns
place; the sta'cla'cl to which t*i.
TSrt and
tank duly siguecl by a man'facturer's/s'pp;i*k
"o*pties,
fl*;;;
of any factory testing done
;;'o"i#[pror"ssioTal
o'
i'
the
mechanical engineer.
8.2 Ali cotxllosite, fiber:glass, jacketed', andl fiberglass
ta'lcs must be subject to a
'35,000 volt holiday cletector test
to ellsure that'o flaws are present
in the finish;";;nk outer
sheil
9
Responsibilities of owner ancl venclor
9'1
l'ventory reconciliation Regula' routine
of quantities of proriuct
;mc1 stock-on-hand must be
'econciliation
kept, with n*rrrt
ty reviews of cu'rulative variances.
srralr be
o"'v
.it", *J ;;l;;;quenrly on any
'rade
*ffiHi:l"rio'
",,];;:;ooti,
sales' r-eceipf
#:i
9'2 water d-raw-off - Tanl<s shall be checked at least
weekly fbr the presence of water.
This
be
due
to
ia'k
leakage.
fi;;.;;
'ray'ot'ecessarily
enter the tank thro*gh roose
top fittings'
ta'k
or'sometimes can be entralrped ir-r the
p.oJ*,
being delivered. water shall be
rernoved as soorl as.possibre usi,g
an air-drive".;"f;;ailnhraeru p;rt;;
iirse:ied down the clii point, ,rJt;-;;;se
hose generary
of water ingress
investigatecJ..
9'3
r'eali r'otritorj'g * wirer e observation
weiis or mo'itoring are instarled,
routitrely checlcecl ror signs orp.La""t
these sha, be
release. rrr" pr"Lce of product
in,werls may
'ot
- but it wirr
ffi'H.#:,'i,,ffT',i;i'i:;,',J*:;Htt'J m"T*l?;"o
13
',o*'..roiil"-,p,,r,
Ref'enencss
PNS4DES F,S l-2: 2005
#fi $#$ffi '":"fsTffi lr,:i,*:lr;;ff {,tffJffi
#f .f;n::"-.*ttH?*'tii"sl*1*:t
ee6, carhoai" p,ot"oion or
Underground perroreum
#ll"f;gr"#tT#$'t;Utd;:,;1f"-I
APr l{'ecom'renclecl Practice 1604-19B7,'closure
of underground petroleum storage
Tanks
APr Recomme'c{ed Practice 163r'-1987,r'terior
lining of undergrouncl storage
Tanks
APIStandard550-1993,WeldeciSteeifoIoilStorage
API stanciard 653-1991, Tank inspection,
ltepair, Alteration and Reconstruction
ASTIv'J C33 -_1994, specificatiorl
for concrete Aggregates
fjr#,Prf?';tJlrnno,
specificarions ficr Glass Fiber-Reinforced poryester
underground
ASTII\,4 G5 7-!994" lwethocl
Electrocie tvietir;i'
fol
F'ield Measurement
of soil resistiv*ty using wenner F.our-
NFtrA 70-rgg5, lri'ational trlectri calccrde
ffi-&i*Trlifi3'*n:mmendecl Practice for Handling undergrouncr Leakage of Flammabre
PtrI ltecomnrencied Fractice 00- g90,
Recornmendecl practice for
^
IJ'derg'Gunci Liquio' stoffi;
rnstallation of
Fvrt*ir"'
1
1
PEI R'ecomrnencrecr prac;tice 300*1994,
vapor Recovery Instructions
sa-rcg3, steer underground Tanics
foiFlammable and combustibre
Liquids
,993, Glass Fiber Reinforceci plasti"
U"A"re.b;
*Olrr"i_r.
Tanlcs for peffoleurn
{r
;;;;
ut
1746- lgg3, Exfernal corr*sion
Frcrfective s)rstems
DENR Administrative orcler' zg, Inrpieme*tinpq
Rules
a,d Ffa-zardor-rs ot C tVu*d#W#.t5;;rol
Act:'of t ggO
for steel
grourrd storage Tanks
and Regulations firr Toxic
substances
trJnder
Hfr$:i}fri:fi #*::*""ifi
undergroun,J
1,*,.!1gg-ard,ry" Galvanic corrosion Protection systems
ranlis rb;'i'r;rn-d;tifi;,ib:H#i{1'fff
i,?T,?'J."
for
steer
S teel T'anlc I
s,frecification and Manual for
lInder gro*nctr,g
Externar corrosion protection
l$-iit1-tfifr$ffi
r;;l
s;;;#'filii;
National Association
un d ergrou ncl
o
of
corr-osion llngi'egis stanciarcl,
Control
er ailic pqr ing s
)rst ern s
r s i,u *;,R ;Ji\4
il??,f,1ii,,*i"i;#arion of cor r-osion nngirreei-s
$j
rancrarcr,
fiIJS
Control
of
of External Corrosion of
o:F
External Corrosion on
BtJ$q4u*.ff PRoDucr STANDARDS
yoLtr purtner in clunlity-,
Mark is sovernecr by rhe provisi
ll ,.::lricariol
n,,i,,J ri,i,i,J# ;;;J;;;i,J|j*lili?.ll:T:tllq,r1trrarive
ll *:,:::: le.cr^certiiifari;'
j,1? jillt:l:
;';;;"k
,fl- H:r"r"lll:
Hl;
3:1ll:1,:::,1,:1":aretv
TIFIED
Quality
#,;?";;i;i;ff::'jifl:,
nv
order
911;;;'oieii
i,i#;;;:.,il#;;,i,ff:,?ii::i,ij:::11,r,,.0, rni""'o* i#
lj,?,1,y:l:'"i:,:.1,:,:1,_,,i,i,ii.i
requiremenrs
or a phiriooine;i;;;;';.;;r'il':l':;',i;?;H:Ti::'J#iJ'.dr:i::.!r.'.';;;;";h;
under which a license
Cerlifinrtinn Mark
[rrrL -^.,
r-'certilicati0n
maybe'0rantedcan
to use the ps
be obtained rro,"'o't'on'
of Trade
TradeanOlndusLrv':n-1
(on air r D....-,
ancr lnduslry,361 Sen
rta^.r-^-^
-llheBureau0tProduct Stanriarrte
ndards, Departrnent
GiiJ
d;r;;il,iil:T;1ffi?Ti;U
"
CERTIFiED
Product Safety
Ii UIEE, /*TI Oi? PITS II'IJCT STANDAr{DS
Ileparfment of Tracle anci lndustry
l'eclrnical Committee 6E - Felroieltm Frocesses and Facilities
Chairrtrliirl
1
Zemiria Y. l),4onsacla
Aivin IJinricl T. l-irl*
Oil [ric]us[r.,"' h{iuragernerrt Burean
Iiepa r[l11ent
aJ:
Jlnergy
h'Iernb {:rs
Te
Professional As sociati
sting:
2
jrlor';iii.i:e {l;ui:tiLan" ^
fi,{ i:la j s -i.ndr"rs l:r-ir llesea rch ancl Derteiol:rncn
l
9
on
:
Mario C. Tsnchanco
Safeq' Organization of the Fhils.
Cettrcl-
lle
1:;rr
tirient
o1' Science a.ncl
Gorrclrinroni Agenci
3
os;
Tech.nolog','
:
Inclustry':
10
Leo W. J;rciulo
Rornarico I. Salas ?t * *
Caltex (Phils.), I:rc
11
Lita Roco
ioseph C. Chavez**
Vina IVIarie O. Ignacio**
Pilipinas Sheli Petroleurn Corp.
L2
Ariel R, Quizon
Ennin Rivera* *
C1'nthia C, Sa:rrson* *
Total (Phils.) Cor::
13
hloel A. Aquino* *
Seaoil Phrli., Inc.
f.ielsc.rii 5. Scl, 31'.'i; rt
B urr:r;ru of' Fii-e Frolection
Dcpartrnent ol: ihterior ancl l-ocal
Gui,f.gltltL:ili.
tl
Gerarclo S" Ga.fciralian"'*
Bur*au of \\,rcr'hing Conclitions
I)epartnient o:[ I-a[:or 8r Ernployrnent
'Rlrrrron
Fer:ralrdc'k't
Occui:af ionai lJealth
& Safe6' Ceuler
Delrai lmenf ol'I-,abor
c(r
Enrployruerrt
Josc Slrivarior T. Passc
Ecir'r,iri llorrrel 1{. Navaluna
Envi ronrnent;1i $rlarmgernent B ureau
De;:arlmcril of i-:nvir-clrment and lriatural
Iti:soru'cgs
.LTL
15
lrionna {1. Flcrnanclcz
7
[:; Magabilio:t x
Bur,:arr oi' Prodncl Standarcls
fiel:'.r r-tnierrt. o i- Tlade and hidu str-y
Invitees:
iVIa. Imre JJ. "rnir-ss:t *
Oil I nciustilr' htlanagemenl Burean
t
Ilcpa i'trrion I r; f i:ncrgy
SC
;tit.,tx-l,rttt c
*
r< ik
r:riduil:e:'
t'i
Generoso B. Cmz**
Jane Q. Ramirez**
Petron Corp
IVl1,1'r
*
Michael Rudolph E. Serito"
lf,VA, Inc. F15'pg 1t
t.;f'
llc I
Cliirirrn{?r'i {}lt SC
Secreta ri a r;
Zenaida Ci.
L-,ii-:zarrr
Rhodor:a C. I'ascr-r;ri
Rehinar-cJ C; Santos
Eleanor R. T {irjutri
tr
I-
6
Alex Lumburar* *
fucira.rd Adrian Sison*' *
Ur:ioii Pctrolellffr Phils., Inc.
[,'uel Stol'arge rlrci Ilispensing Systern
n