3. classification process

13
DNV Classification of Ship The Classification process

Upload: api-3864361

Post on 10-Apr-2015

189 views

Category:

Documents


2 download

TRANSCRIPT

Page 1: 3. Classification Process

DNV Classification of Ship

The Classification process

Page 2: 3. Classification Process

Fail safeRedundancy

Design Approval

Construction SurveyClass Certificate

Validate Certificates

RISK

ANALYSIS

TECHNICAL

ANALYSIS

IN-SERVICE

SURVEY

DESIGN

PHILOSOPHY

Rules, Regulations

and Instructions

Concept safety evaluation

BUILDING

INSPECTION

DNV Classification of Ships

THREATSFROMENVIRONMENTACCIDENTAL LOADSETC.

Page 3: 3. Classification Process

DeliveryOrder

Classification of Ships

Renew

al

Prelimevaluation

of

DesignConcept

and Specs.

Concept Phase New -building

PhaseIn-service Phase

Survey

DNV Classification of Ships

Page 4: 3. Classification Process

DNV Classification of Ships

Quality(DNV Rule and Statutory requirements)

is built into the ship

during

new-building phase(design & construction)

and maintained during in-service phase.

Page 5: 3. Classification Process

DNV Scope - Newbuilding Projects

Shipyard

Manufacturers

DESIGN APPROVAL- Hull

-Basic Systems(Control,Safety, Comm.,

Electro., Mach., etc.)- Components

- Special Systems- Statutory

Material & Components

CERTIFICATION OFMAT. & COMPONENTS- Quality Assessment (DNV Audit)- Inspection of Material & Components

CONSTRUCTION SURVEY SITE-Quality Assessment (DNV Audits)

- Structure & Materials- Comp. & Equip’t

-Functional Testing (Sea-trial)- Statutory Items

CERTIFICATES

- Class Certificate- Declarations

- Statutory Certificates

DNV

Page 6: 3. Classification Process

Working Relations Class/Builder/OwnerNewbuilding Projects

DNV (Class)

CONTRACT INFORMATION

CONTRACTOwnerBuilder

Page 7: 3. Classification Process

DNV’s Project Organisation vs. ClientsNewbuilding Projects

OwnerRep.

Sub-Contractor

DNV Surv.at Subcont.

Builder

PTM

PM

OwnerH.O.

DNVOwnerRegion

OwnerRep.

RACDNVH.O.

Page 8: 3. Classification Process

Requirements & Control Newbuilding Projects

DNV Instruction to Surveyors, etc.

Yard Standards Operating Procedures• Who do what, when• Authority • Responsibilities• etc.

Administration• Document Control • Documentation Requirements• Filing • Etc .

Contracts/Agreements

Project Information Manual• Scope of Work• Project Organization• List of sub-contractors • etc.

DNV Class Rules DNV

Statutory Regulations

Page 9: 3. Classification Process

Newbuilding Inspections & Approval Status

* Unscheduled Inspection (Patrolling)- Unannounced inspections

* workmanship* items not covered by scheduled inspection

CONTROL OF APPROVAL STATUS

INSPECTIONS

* Scheduled Inspections and testing:- According to agreed list of items to be inspected/ tested

Page 10: 3. Classification Process

A 100% survey of a VLCC will include:– Climbing 10 000m– Examination of 300 000m2

– Examination of 1200 km hull welding– Examination of 100 km longitudinals– Examination of 100 000 hull elements

Focus on the vital areas is a necessity!

The Challenge

Page 11: 3. Classification Process

DET NORSKE VERITAS

DET NORSKE VERITAS

SystemCertification

MaterialCertificates

Class Certificate

ComponentCertificates

DET NORSKE VERITAS

It is hereby certified that Det Norske Veritas has reviewed the Naval Craft F452F452and that it is built in accordance with the Society's Rules for HSLC Naval Craft, July 1999

DET NORSKE VERITAS

DET NORSKE VERITAS

DET NORSKE VERITAS

I

DET NORSKE VERITAS

DET NORSKE VERITAS

DET NORSKE VERITAS

DET NORSKE VERITAS

I

DET NORSKE VERITAS

DET NORSKE VERITAS DET NORSKE VERITAS

The DNV- Class Certificate is the top level certificate of a series of certificates

DNV Certificates Related to Classification

Page 12: 3. Classification Process

The vessel is delivered from the yard to the owners with a set of Certificates which verifies compliance with Class and Statutory requirements.

Ships in the in – service phase

Continuous validity of the Certificatesis based on satisfactory results

of periodical Surveys.

Page 13: 3. Classification Process

1. Gather structured data and information

2. May be used for accessinginformation about vessels and cases

3. Data and information may be processedinto valuable knowledge

4. May be used as channel for disseminationof structured data, information and knowledge through the lifecycle

The DNV Production SystemNAUTICUS