SCAR RADIOGRAPHY IO N SERVIC ES DAC O N INSPEC T SCAR a nd Ba by - - PowerPoint PPT Presentation

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SCAR RADIOGRAPHY IO N SERVIC ES DAC O N INSPEC T SCAR a nd Ba by - - PowerPoint PPT Presentation

Nov 22, 2023 156 likes •339 views

SCAR RADIOGRAPHY IO N SERVIC ES DAC O N INSPEC T SCAR a nd Ba by SCAR GAMMA RADI OGRAPHY Who we ar e Co nve ntio na l a nd Oil a nd Ga s, Re fine ry, Ove r 400 pe rso nne l T ha ila nd he a dq ua rte rs Adva nc e d NDT a nd Pe

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SLIDE 1

DAC O N INSPEC T IO N SERVIC ES

SCAR RADIOGRAPHY

SCAR a nd ‘Ba by’ SCAR GAMMA RADI OGRAPHY

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SLIDE 2

Who we ar e

Co nve ntio na l a nd Adva nc e d NDT a nd Inspe c tio n Se rvic e s Oil a nd Ga s, Re fine ry, Pe tro c he mic a l, He a vy Industry, Mining Ove r 400 pe rso nne l inc luding mo re tha n 300 inspe c to rs T ha ila nd he a dq ua rte rs with Inte rna tio na l e xpe rtise sinc e 1979

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SLIDE 3

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

SCAR

Sma ll Co ntro lle d Are a Ra dio g ra phy

T wo diffe r e nt SCAR syste ms

  • 1. ‘Baby’ SCAR 989 Se 75, (Ma x 20 Curie ) 2. SCAR 959M. 80 Ci of Se 75 o r 15 Ci of Ir

192

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SLIDE 4

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

  • Se - 75 wor

king r ange of 5- 30mm ste e l thic kne ss

  • Ir

192 wor king r ange of 10- 50mm ste e l thic kne ss

  • Se - 75 has a softe r

gamma r ay spe c tr um (66- 401 ke V) than Ir idium- 192 (295- 612 ke V)

  • Se 75 = Half L

ife of 119.8 days, (120 days)

  • Ir

192 = Half L ife of 73.83 days. (74 days) Appr

  • x 46 days diffe r

e nc e

SCAR

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SLIDE 5

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Baby SCAR Pr

  • je c tor
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SLIDE 6

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

SCAR Radiogr aphy

  • Se 75 is mid- thic kne ss gamma r

adiogr aphy

  • ‘Baby’ SCAR has a tungste n shie ld
  • We ighs 7.5 kg
  • ‘E

nc apsulate d sour c e ’ NE VE R le ave s c ontaine r

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SLIDE 7

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Baby SCAR Pr

  • je c tor

Baby SCAR c ontaine r showing loc k de vic e and be am por t.

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SLIDE 8

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Oc tagonal Cr

  • ss Se c tion

Pe lle t shape impr

  • ve s Ge ome tr

ic Unshar pne ss the r e for e be tte r quality r adiogr aph

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SLIDE 9

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Oc tagonal Cr

  • ss Se c tion

Dia g o na l o f the o c ta g o na l pe lle t is 1.145 time s pe lle t d ia me te r. Dia g o na l o f c ylind e r

  • f the sa me d ia me te r,

is 1.414 time s its d ia me te r. T he pe lle t g e o me try a llo ws so urc e to b e up to 23.5% c lo se r. T his inc re a se s e xpo sure ra te pe r Curie a t the o b je c t.

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SLIDE 10

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Pr

  • je c tor

Plac e me nt

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SLIDE 11

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Shie lding Pr

  • je c tor
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SLIDE 12

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Sur ve y Safe Distanc e

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SLIDE 13

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Re c or d Me asur e me nt of Safe Zone

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SLIDE 14

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Re duc e d Ar e a of Safe Zone F r

  • m F
  • otball

Pitc h Size to Ce ntr e Cir c le Or L e ss

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SLIDE 15

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

Baby SCAR Radiogr aphy Advantage s of SCAR Syste m

 Safe ty I

mpro ve me nts - da ylig ht wo rking

 No Do wntime  Allows Co ntinuo us Co nstruc tio n Wo rk  Sc he dule s Ma inta ine d o r I

mpro ve d

 On- line Radiogr

aphy - Allo ws I

nsta nt We lde r Pe rfo rma nc e Mo nito ring

 ‘Nuc le onic s’ T

ype instr ume nts No t Affe c te d

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SLIDE 16

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

SCAR Summar y

  • SCAR + Ba b y SCAR is sa fe to use 24 ho urs a d a y - no ne e d fo r spe c ific

ra d io g ra phy wind o ws.

  • Co st e ffic ie nt.
  • T

he b a rrie re d a re a is a lwa ys ve ry sma ll, plus c o llima tio n le ss tha n 10 m d ia me te r (SCAR).

  • Sa fe a re a is e a sie r to se e & c o ntro l.
  • SCAR will ra re ly a ffe c t o the r wo rk.
  • E

q uipme nt fits mo st pipe g e o me trie s.

  • SCAR c a n re pla c e mo st c o nve ntio na l ra d io g ra phy whe n pla nne d in

a d va nc e .

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SLIDE 17

DACON INSPE CT ION SE RVICE S

FO R A LL YO UR INSPEC TIO N NEED S

How Can We He lp?

Contac t

E ma il : info @ d a c o n-inspe c tio n.c o m Pho ne : +66 (0) 33 012 484-7

www.dac on- inspe c tion.c om