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Non Destructive Testing Examination

NDT-QFR.GT-10.01-032411

OIL TANK (ACEITE) 5 000 GAL

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1. Ienti!icationOwner: Globe Star Minning Co.Company: Corporación Minera DominicanaContact: Sedden TempleContractor: NDT Innovations Inc.Inspectors: os! Garc"a# $T level II

  es%s C&si'&ispe# $T level IIComponent e(amined: Oil Tan) *+ceite, - gal.Date o/ inspection: 01231244# at Corporación Minera Dominicana Mine#

Maimón# Dominican 5ep&blic.

2. Descri"tion +s re'&ired by t6e c&stomer# a vis&al# NDT testing *+C7M tec6ni'&e, to t6e weldsand &ltrasonic t6ic)ness meas&rement was per/ormed.Drawings and in/ormation abo&t nominal t6ic)ness were not s&pplied.

3. #$%etivesT6e e(amination is designed to locali8e t6e presence o/ relevant discontin&ities *s&c6as crac)s# corrosion# or ot6er damage /orms, t6at co&ld endanger t6e componentso&ndness.T6e acceptance criteria is c&stomer decision.

96oto 4. ocation o/ aceite tan)

4. Resu&ts4.1. 'isua& Examination

 TANKS- VISUAL INSPECTIONDate: 03-24-2011 Plant: CMD 

Equipment Code: None Desciption: Aceite 5 000 gal 

!age 2 "e 5

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!Isolation" #ES $ % NO $ & %

Ot'e (ema)s:

• G#oo$e %et&een 'lato# an" tan* %a+e +,ol" %e +eale". co##o+ion can e#o"e

e/te#nal ace o %otto 'late o tan*• Anc,o# %olt+ +,at+ e/'o+e" to en$i#onent

• Le$el in"icato# Ino'

Suppot i*ets+ ,olts

ood .ai /ad

  No dama0e T'ead 123dama0ed

  C'an0e

4.2. ()F*It was ta)en random samples on apro(. ;< o/ welds# especially onintersections.NO C5+=S 7O$ND.

4.3. T+ic,ness *easurementIt was draw a grid 3> side.Meas&res were ta)en at intersection points o/ t6e gridetters designate col&mns *vertical, and n&mbers designate rows.5ow 4 begins at t6e bottom o/ t6e tan)Col&mn + is aligned wit6 man6oleClear meas&res were le/t intentionally blan) .

 

!age 3 "e 5

ITE4S (ema)s

E5tenal Coosion No

State o6 e5tenal paint OK 

State o6 suppots OK State o6 4anu6actue Plate No 'late+

State o6 Equipment Code Plate None

State o6 Plat6om OK 

State o6 Laddes No

Dents No

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ACEITE TANK 5 000 GAL

  A C D E G

1 0.301 0.25 0.2 0.22 0.20 0.252 0.20 0.263

2MANOLE

0.21 0.25 0.20 0.25 0.20 0.21 0.2

3 0.261 0.2 0.261 0.25 0.20 0.254 0.22 0.25

4 0.20 0.23 0.21 0.2

5 0.23 0.23 0.2 0.2

Ma/ 0.301

Min 0.252

Mean 0.27

 96oto 2. $nsealed gap in tan) base 96oto 0. evel indicator inop.

. (""&ie *et+os.1. 'isua& Ins"ection 'T/

S&per/icial damage veri/ication# detection o/ s&per/icial discontin&ities oncritical areas# component modi/ications.etc.96otograp6ic records o/ dissentings# i/ /o&nd.9rocced&re is &nder:?@ 9 Aessels. +SMB Code 2;# Sec A# +rt. Ais&al Testing

.2. ()F* Ins"ection +lternating C&rrent 7ield Meas&rement tec6ni'&e# to determine anys&per/icialEs&b s&per/icial crac)s along t6e welding lines in s6ell longit&dinaland circ&m/erential welds.9roced&re is &nder:  ?@ 9 Aessels. +SMB Code 2;# Sec A# +rt. 4- +lternating C&rrent 7ield

Meas&rement Tec6ni'&e.

.3. &trasonic T+ic,ness *easurement.

!age 4 "e 5

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Aeri/ies abr&pt c6ange o/ t6ic)ness d&e to internal corrosion.9roced&re is &nder:

  +STM B1;; Standard 9ractice /or Meas&ring T6ic)ness by Man&al$ltrasonic 9&lse1ec6o Contact Met6od.

!age 5 "e 5