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Tank Calibration Service

October 2013

© - Copyright Bureau Veritas

INSPECTORATE – BUREAU VERITAS GROUP


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2© - Copyright Bureau Veritas

Table of Contents

►

Our

Overall

Oil

and

Petrochemical

Division

Overview► Services Offered by Us

► Sectors Service Offerings

► Tank Calibration Services

I. EODR Methodology

II. ORLM Methodology

III. Manual Strapping Methodology

► Contact Details


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Extensive Geographic Footprint

EMEA

365 locations

and 110 laboratories

13,700 staff

87 countries

France

170 locations

and 10 laboratories

7,600 staff

Asia‐Pacific

220 locations

and 130 laboratories

18,100 staff

22 countries

Americas

185 locations

and 90 laboratories

12,700 staff

30 countries

Europe – excluding France

Middle‐East, Africa

Global network comprising more than 940 locations

and 340 laboratories across 140 countries


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Our Overall India Oil and Petroleum Overview

Mumbai, Chennai, Jamnagar, Vizag,

Mangalore, Haldia, Kochi, Dahej,Kandla.

Mumbai & Jamnagar Laboratory

State‐of ‐the‐art

facilities

Certified ISO 9001:2008, NABL (ISO

17025) Certified Laboratory .

Strong

Quality

& Service Focus

Inspectorate Griffith Oil and Petroleum in Business

since 2002

150 Customers and Growing

India’s Top 3 Inspection, Testing & Calibration services

company

Fastest growing Indian Inspection, Testing &

Calibration Services provider

134 Overseas / 26 Indian Clients

9 operation branches India, around 58 Inspectors/ Surveyors in 9 Locations 42 IFIA certified employees. 2

Laboratory for Testing.


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Services Offered by Us

Inspection: It

is,

most

generally, an organized examination or formal

evaluation exercise in lines with some standard

guidelines to determine

the

suitability

/

fitness

of

a

commodity being involved in trading by way of

measurements and tests. The Inspection process gives confidence to the

end user of the commodity as well to the supplier.

Testing: It

is

a verification

process to find out the values of the different

parameters involved to determine the quality of

the commodity being

traded

or

used

by

the

different industries and the consumer worlds.

Testing process gives the indication of the suitability

of the commodity for usage or trading.

Calibration: Inspectorate is

specialized in calibration of Vertical or Horizontal

shore tanks, adopting such techniques as Laser Distance and Angles

Technology

with

precise

accuracy. Laser technology enables the calibration of

shore tanks without scaffolding, thereby

avoiding additional cost and disruption.


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Tank Calibration

Whether you have newly constructed tanks and provers, our experienced field teams will meet or beat your

scheduled calibration

expectations.

Key Capabilities

• Providing reliable measurements and calculations for:

• Vertical Cylindrical Storage Tanks

• Horizontal Storage Tanks

• Spherical Storage Tanks

• Floating Roof

Zones

Approvals from Govt. Statutory Authority

Key Benefits

• Calibrating techniques used in accordance with the most

current American Petroleum Institute (API), Manual of

Petroleum Measurement Standards (MPMS) and BIS

standards and protocols;

• Safety driven, quality workmanship



Inspectorate India‐ Solutions for Tank Calibration

Vertical Cylindrical Storage Tanks

► Manual Strapping Method: (ISO 7507 Part –I or API MPMS 2.2A)

► Optical Reference

Line

Method

by

Laser

Equipment:

(ISO

7507

Part

‐II or

API

MPMS

2.2

B)

► Electro Optical Distance Ranging Method: (ISO 7507 Part‐ IV and Part‐V or API MPMS 2.2 D)

Horizontal Storage Tanks

► Manual Physical Measurement Method: ( ISO 12917‐1, API 2551)

► Tilted Horizontal Storage Tank by Liquid Filling or Water Draw Method: ( API 2555)

Spherical Storage Tanks

► Sphere and Spheroids Tank calibration: (API2552)

Approvals from Govt. Statutory Authority



(EODR) Electro‐Optical Distance Ranging Method

EODR Methodology

► Measurement of reference circumference by manual strapping method.

► Vertical measurement of tank shell by using electro‐optical distance ranging instrument.

► Bottom measurement by using horizontal auto level or laser level & leveling staff.

► Accurate measurement

of

positive,

negative

deadwoods,

reference

height

&

any

other

accessories

that

may

affect on tank working height & tank volume.

► Calibration chart calculations & preparation of calibration chart.

EODR Advantages

► More safe: The danger of falling from the ladders or Boson chair is eliminated.Vertical measurement of tank shell by using electro‐optical distance ranging instrument.

► Less Cumbersome: The method eliminates any movement of heavy equipment such as hoists, boson chairs or

ladders.

► More Economical: Less persons are required during conventional strapping & ORLM vis a vis EODR method.

► More Accurate: Cancels out human random errors caused due to fatigue, environmental influences, improper markings, Trolley movement at proper position etc.



Determination of First Shell Reference Circumference

20 % OF TOTAL

SHELL HEIGHT

FROM TOP WELD

TANK

SHELL

HORIZONTAL

WELDS

MARKING

THE TAPE

PATH

20 % OF TOTAL SHELL

HEIGHT FROM BOTTOM WELD

3

2

1



Physical Measurement of first Shell Circumference

3

TANK

SHELL

1

2

VERTICALWE

LDS

100 MTR.

MEASURING

TAPE

MANHOLE PAD

X

READING

TAPE RISE DUE TO

WELDS & STEP

OVER



EODR‐ Measurement Stations

► Measurement stations are marked on the tank shell, the number being obtained from this table. Station as per Standard.

Tank diameters (meters) Minimum number of stations

15 8

30 12

50 16

70 20

85 24

100 30

120 36



Station Marking

37

6

5

4

8 2

1

STATION

DISTANCE

Station Distance =

Circumf. / Station No.

Station Marking around the tank for vertical measurement by Electro‐optical distance ranging

instrument.



Vertical Measurement

3

2

1

EODR INSTRUMENT

REFERENCE

READING

Horizontal Level

Vertical Level

a

D

Vertical measurement of Tank Shell by Electro‐optical distance ranging instrument by external.



EODR Method Use for internal Measurement

a

b

D

Target

Points

a – Vertical

Angle

b – Horizontal

Angle

D – Slope

Distance



Bottom Measurement

37

6

5

4

8 2

1 0.0 MTR

0.5 MTR

Datum Plate(Reference Point)

C

3.0 MTR

2.5 MTR

2.0 MTR

1.5 MTR

1.0 MTR

Bottom Measurementof by using horizontal level and levelling Staff



CENTRE LINE

OF THE TANK

TANK BOTTOM

DATUM PLATE

(REFERENCE POINT)

HORIZONTAL

LEVEL OR

LASER LEVEL

A

REFERENCE

READING

0.0 MTR0.5 MTR1.0 MTR1.5 MTR2.0 MTR2.5 MTR3.0 MTRCENTRE

LEVELLING

STAFF

Bottom Measurement

Bottom Measurementof by using horizontal level and levelling Staff



Deadwood Measurements

CENTRE SUMP

MANHOLE / MANWAY

MANHOLE

/

MANWAY

IN / OUT LET

PIPEHEATING COIL

DIP HATCH

PIPE

/

GAUGING POINT

PONTOON FOR FLOATING

ROOF TANK

SUPPORT FOR COIL



Basic Principle of Calculations

a1

a2

r 1

?



Strong Competit ive Advantages

Broad Service

Portfolio

► Ability to cover all QHSE requirements of a project / customer

►Cross-selling potential

Brand andReputation

►Strong brand built over 180 years of service: Technical excellence

Integrity Independence

► Ability to push for high value-added services

► Ability to recruit talents

► Attractiveness for acquisition targets

Efficient

International

Network

►Unique combination of international and local networks

►Consistency of service delivery across the globe►Reactivity to deploy new service capabilities

Skilled

Employee Base

►Strong technical expertise

►

Entrepreneurial and client-driven culture

AcquisitionTrack Record

►Successful acquisition experience►Disciplined integration process

Unmatched

Expertise

►Comprehensive portfolio of accreditations

►Thorough knowledge of regulations, reference frameworks and standards

►Extensive knowledge of market sectors



Move Forward with Confidence

Our global network of experts are dedicated to providing our leading services to

customers across the globe.

Contact Details:

Inspectorate Griffith India Pvt Ltd.,

104, 1st Floor, Hyde Park, Marol Village,

Saki Vihar Rd, Saki Naka, Andheri (East),

Mumbai – 400072, MH, India

Tel: : +91-22-6697 6342 / 43 / 44

Email: [email protected]

[email protected]: www.inspectorate.com

www.bureauveritas.com

Contact us today so we can tailor a solution to meet your needs.

mailto:[email protected]:[email protected]://www.inspectorate.com/http://www.bureauveritas.com/http://www.bureauveritas.com/http://www.inspectorate.com/mailto:[email protected]:[email protected]


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