MEHMET OGUZ TURKEY&CASPIAN SEA IND TECHNICAL MANAGER · PDF fileThe floating-roof tank is...

BUREAU VERITAS TURKEY

MEHMET OGUZ TURKEY&CASPIAN SEA IND TECHNICAL MANAGER

API 653 AUTHORIZED INSPECTOR

1-BV Presentation

2-API Standards

3- Types of Storage Tanks, Storage tanks in Turkey

4-Inorrect Applications & ınformation about construction

3Bureau Veritas Tank Storage – November 2010

Bureau Veritas at a Glance

Marine 12%

Inspection & In-Service

Verification

Certification

Industry

Government Services and

International Trade 7%

Consumer Products

Construction

Asia Pacific & Middle East

Europe

Americas

France

Africa 5%

► Created in 1828

► A global leader in conformity assessment services in the areas of quality, health and safety, environment and social responsibility (QHSE)

� 2009 revenue: €2.85bn

� More than 900 offices in 140 countries

► Over 40,000 skilled employees

► Eight global businesses providing a complete set of services

� Inspection, testing, audit, certification, risk management, outsourcing, consulting and training services

► Servicing 370,000 customers

► Listed on Paris Euronext since Oct 2007

Broad Geographical Presence

Eight Global Businesses

Our Profession : QHSE Compliance

Reference Standard Action Deliverable

Assessment

Full Independencefrom any

Design / Manufacturing / Contracting / Insurance

A Balanced Portfolio of Activities

Marine► Ship classification, ship and marine equipment certification, technical assistance and outsourcing

services

Industry

► Conformity assessment of industrial equipment and installations to regulatory or client specifications

from feasibility stage to de-commissioning

► Services include design review, shop inspection, site inspection, asset integrity management,

product certification and related testing services such as non-destructive testing

In-Service Inspection &Verification (IVS)

► Periodic inspection of equipment and installations to assess conformity with regulations or client-

specific requirements. Services apply to electrical installations, fire safety systems, lifts, pressure

equipment, lifting equipment and machinery

Construction

► Conformity assessment of construction projects to local regulations and construction standards,

from design stage to completion

► Services include design review, code compliance, technical control, on-site safety coordination,

testing of construction materials, asset management and technical due diligence services

Health, Safety and Environment (HSE)

► Inspection, audit, measurement and testing services in the fields of environment / health & safety

► Technical assistance and consultancy services to help companies define their HSE management

strategy and improve their performance

Certification► Certification of management systems and processes in the areas of quality, health and safety,

environment and social responsibility based on public standards

► Second party auditing services based on customer-specific or Bureau Veritas standards

Consumer Products► Testing, inspection and certification of consumer goods including textile, hardlines, toys, electrical

and electronic products

► Factory audits, social responsibility audits and training services

Government Services and International Trade(GSIT)

► Government Services: Pre-Shipment Inspection, X-Ray Scanning, Verification of Conformity of imported products

► International Trade: Commodity quantity/quality assurance, automotive services

8 global businesses providing strong growth and cross-selling opportunities8 global businesses providing strong growth and cross-selling opportunities

Extensive Geographic Footprint

Asia-Pacific

� 205 offices, including

66 laboratories

� 13,300 staff

� 37 countries

France

14 laboratories

� 7,400 staff

Americas

31 laboratories

� 8,000 staff

� 30 countries

EMEA (excluding France)

45 laboratories

� 11,300 staff

� 77 countries

Global network comprising more than 900 locations across 140 countriesGlobal network comprising more than 900 locations across 140 countries

Note: EMEA = Europe, Middle-East & Africa

Extensive Geographic Footprint

National coverage comprising of 10 locations and 300 employeesNational coverage comprising of 10 locations and 300 employees

İstanbul

İzmir

Ankara

Mersin Iskenderun

Yalova

KaradenizEreğlisi

İzmit

Some of Oil&Gas References Bureau Veritas

IndustrySome of the Referance Clients

► Oil&Gas

� Tupras Rafineries

� BP, BP Gas

� Shell, Shell&Turcas

� Soil

� Botas

� Opet

� Total

� Turkish Petroleum

� Atas Refinery

� Agip KCO

� AIOC (BP in Azerbaijan)

� Schlumberger

► Power

� Soyak Enerji

� Enerji-Sa

� Akenerji

� Akfen

� Gama Power

� Limak Enerji

► Pressurized Equipment Manuf

� Aygaz

� Erensan

� Habas

� De-Smet

API Standards

Standards2

API 650 : Welded Steel Tank for oil storage This Standard establishes minimum requirements for material, design, fabrication, erection, and testing for vertical, cylindrical,aboveground, closed- and open-top, welded carbon or stainless steel storage tanks in various sizes and capacitiesREFERING TO ASME Section V, IX

API 653 : Tank Inspection, Repair, Alteration and ReconstructionThis standard covers Above ground steel storage tanks built to API Standard 650 and its predecessor API 12C. It provides minimum requirements for maintaining the integrity of such tanks after they have been placed in-service and addresses inspection,repair, alteration, relocation, and reconstruction.

API RP 651 : Cathodic Protection of Above Ground Storage Tank (AST)

API RP 652 : Lining of Above Ground Storage Tank (AST)

API RP 575 :Inspection of Atmospheric and Low-Pressure Storage TanksThis standard provides useful information and recommended practices for the maintenance and inspections for AST.

API RP 571 : Damage Mechanisms Affecting Fixed Equipment in theRefining Industry

3 Types of Storage Tanks,Storage tanks in Turkey

1.1 Types of Atmospheric Storage Tank Roofs

The most common type of atmospheric storage tank is the fixed cone roof tank,

up to 300 ft (91.5 m) in diameter & 64 ft (19.5 m) in height (larger diameter tanks have been built, mostly outside the U.S.)

These roofs are normally supported by internal structural but can be fully self-supporting in smaller diameters (typically, 60 ft [3 m] diameter or less).

Types of Storage TanksATMOSPHERIC

STORAGE TANKS

1.1.1 Types of Atmospheric Storage Tank Roofs

The umbrella roof has radially-arched segmental plates with integral framing support members (usually withoutinternal support columns).

In the steel dome roof tank, the roof plates are usually formed with curved segments joined to be self-supporting.

STORAGE TANKS

The floating-roof tank is designed to minimize filling and breathing losses by eliminating or minimizing the vapor space above the stored liquid. The shell and bottom of this type of tank are similar to those of the fixed roof tanks, but in this case, the roof is designed to float on the surface of the stored liquid. Older styles of floating roofs include single steel deck details without annular pontoons. Such roofs have no reserve buoyancy andare susceptible to sinking in service.

STORAGE TANKS

Annular-pontoon and double-deck Some floating-roof tanks havefixed aluminium geodesic dome roofs installed on top of the tank shell to reduce product vapor loss or to eliminate the need to drain rainwater from the roof. These are considered internal floating roofs is a tank with a fixed steel cone roof over a floating roof.

STORAGE TANKS

Tanks that have cylindrical shells and cone

or dome roofs are typically used for

pressures less than about 5 lbf/in.2

(34.5 kPa) gauge. Tank bottoms may be

flat or have a shape similar to the roof.

Hold-down anchorage of the shell is

generally required.

Vapor Dome Roof

Types of Storage TanksLOW PRESSURE STORAGE TANKS

Low-pressure storage tanks are those designed to operate with pressures in

their gas or vapor spaces exceeding the 2.5 lbf/in.2 (18 kPa) gauge permissible

in API Std 650, but not exceeding the 15 lbf/in.2 (103 kPa) gauge maximum

limitation of API Std 620.

1.2 LOW PRESSURE STORAGE TANKS

1.2.1 Types of Low Pressure Tank Roofs

1.2.2 Types of Low Pressure Storage Tank Roofs

For pressures above about 5 lbf/in.2Gauge (34.5 kPa), hemispheroid, spheroid, and noded spheroid tank types are commonly used. Tanks for this application are now typically constructed as spheres. Such tanks are designed to withstand the vapor pressure that may be developedwithin a tank having no devices or means to change or relieve the internal volume. Plain Hemispheroids

1.2.3 Types of Low Pressure Storage Tank Roofs

Hemispheroid Plain Spheroid

3 Types of Storage TanksTYPE OF AST IN TURKEY

1. Type : External Floating Roof ,

Steel Annular Pantoon type

3 Types of Storage TanksTYPE OF AST IN TURKEY

2. Type : Fixed Roof Tank ( Rafter&Girder supported) with/without Columns

3 Types of Storage TanksTANK FIELDS IN TURKEY

• Generally for Design and Construction Reference is API 650 or its predecessor API 12C for AST , but API 650 standard is not applied correctly.

• Tanks do not have any API monogram

• Last 10 years most of the international operators has assign Third party inspections for manufacturing and constructions

• Design data, drawing,calculation is not available

• Most of the tanks do not have any seismic design calculation & tanks are not constructed accordingly .

• Inservice Inspections are not according to PI 653 except few Internatianal Oil&Gas companies

• API Authorized Inspector is not used for inservice inspections,

• There is no plan about sel,emergency of fire earkquake, xxxxx

• Most of the field ,tank distance is according to turkish Regulations, but it is not according to NFPA.

• Fire fighting system is available but not proper, there is no risk assesment

• Almost %50 percentage of tanks do not have annular plate,

• Foundation of tanks, used sand , geographic search is not proper.

• Improper earthing connections,

• Generally painting and rarely sacrifical metal used for cathodic protection

3 Types of Storage TanksTANK FIELDS IN TURKEY

• Stairs and walk wayy are directly welded to tank,

• Thickness of shellplate is according to API 650&653 for shell and roof plate

• Poor welding quality specially 10 years and older tanks,

3 Types of Storage TanksTANK DISTANCES

TS 12820 Petrol filling stations – Safety requirements

Incorrect Applications & ınformation about construction

4 INCORRECT APPLICATIONS

Stairs welded directly to tank shell Stairs welding overlap with shell welding

Connection of roof structure is not proper

İmproper Insulations

Improper patch plate on bottom plates Without patch plate

Poor Welding quality

incorrect reinforced plateapplications

Tell Tale Hole

Deep Corrosion

Shell Buckling during construction

Rebottom,

Reinforced plate distance ???

4 Integrity of RepairsINCORRECT APPLICATIONS

Internal Corrosion/Deterioration Weep, No Annular plate, weld seam overlap

Reasons for Inspection & Causes of DeteriorationINCORRECT APPLICATIONS

Mail : mehmet.oguz@tr.bureauveritas.com

Tel : + 90 312 219 64 48

Fax: +90 312 219 64 49

Bureau Veritas

MEHMET OGUZ TURKEY&CASPIAN SEA IND TECHNICAL MANAGER · PDF fileThe floating-roof tank is...

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