DNV Classification of Ship
The Classification process
DNV Classification of Ships Fail safe Redundancy Validate Certificates N Y SIG SOPH E D LO I PH
ICE RV E S IN- VEY R SU
Construction Survey Class Certificate Design Approval Concept safety evaluation
G DIN ION L I BU ECT P INS
Ru an les, R dI ns egul tru a cti tion on s s
L IC A N H IS TEC ALYS AN K IS RIS LYS A AN
THREATS FROM ENVIRONMENT ACCIDENTAL LOADS ETC.
DNV Classification of Ships Concept Phase
Classification of Ships New -building Phase
In-service Phase Survey Renewal
Prelim evaluation of Design Concept and Specs.
Order
Delivery
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 DESIGN APPROVAL - Hull -Basic Systems (Control,Safety, Comm., Electro., Mach., etc.) - Components
- Special Systems - Statutory
CONSTRUCTION SURVEY SITE CERTIFICATION OF MAT. & COMPONENTS - Quality Assessment (DNV Audit) - Inspection of Material & Components
DNV
-Quality Assessment (DNV Audits) - Structure & Materials - Comp. & Equip’t -Functional Testing (Sea-trial) - Statutory Items
CERTIFICATES
Manufacturers
- Class Certificate
Shipyard Material & Components
- Declarations - Statutory Certificates
Working Relations Class/Builder/Owner Newbuilding Projects DNV (Class)
INFORMATION
CONTRACT
Builder
Owner CONTRACT
DNV’s Project Organisation vs. Clients Newbuilding Projects Builder Owner Rep. DNV H.O.
RAC
SubContractor Owner Rep.
PM
PTM
DNV Surv. at Subcont.
Owner H.O. DNV Owner Region
Requirements & Control Newbuilding Projects DNV
DNV Class Rules
Contracts/Agreements
Administration • Document Control
DNV Instruction to Surveyors, etc.
• Documentation Requirements • Filing • Etc.
Statutory Regulations
Yard Standards
Operating Procedures • • • •
Who do what, when Authority Responsibilities etc.
Project Information Manual • Scope of Work • Project Organization • List of sub-contractors • etc.
Newbuilding Inspections & Approval Status INSPECTIONS * Scheduled Inspections and testing: - According to agreed list of items to be inspected/tested * Unscheduled Inspection (Patrolling) - Unannounced inspections * workmanship * items not covered by scheduled inspection
CONTROL OF APPROVAL STATUS
The Challenge 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!
DNV Certificates Related to Classification The DNV- Class Certificate is the top level certificate of a series of certificates
DET NORSKE VERITAS
It is hereby certified that Det Norske Veritas has reviewed the Naval Craft F452 and that it is built in accordance with the Society's Rules for HSLC Naval Craft, July 1999
Class Certificate
DET NORSKE VERITAS
System Certification
DET NORSKE VERITAS
I
DET NORSKE VERITAS
DET NORSKE VERITAS
DET NORSKE VERITAS
Component Certificates
DET NORSKE VERITAS
DET NORSKE VERITAS
DET NORSKE VERITAS
DET NORSKE VERITAS
DET NORSKE VERITAS I
Material Certificates
DET NORSKE VERITAS
DET NORSKE VERITAS
Ships in the in – service phase
The vessel is delivered from the yard to the owners with a set of Certificates which verifies compliance with Class and Statutory requirements.
Continuous validity of the Certificates is based on satisfactory results of periodical Surveys.
The DNV Production System NAUTICUS
1. Gather structured data and information 2. May be used for accessing information about vessels and cases 3. Data and information may be processed into valuable knowledge 4. May be used as channel for dissemination of structured data, information
and knowledge through the lifecycle