Download - 3. Classification Process
DNV Classification of Ship
The 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.
DeliveryOrder
Classification of Ships
Renew
al
Prelimevaluation
of
DesignConcept
and Specs.
Concept Phase New -building
PhaseIn-service Phase
Survey
DNV Classification of Ships
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.
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
Working Relations Class/Builder/OwnerNewbuilding Projects
DNV (Class)
CONTRACT INFORMATION
CONTRACTOwnerBuilder
DNV’s Project Organisation vs. ClientsNewbuilding Projects
OwnerRep.
Sub-Contractor
DNV Surv.at Subcont.
Builder
PTM
PM
OwnerH.O.
DNVOwnerRegion
OwnerRep.
RACDNVH.O.
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
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
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
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
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DET NORSKE VERITAS
DET NORSKE VERITAS
DET NORSKE VERITAS
DET NORSKE VERITAS
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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
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.
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