BWTP - Engineering Support (Vedam)

VEDAM DESIGN & TECHNICAL CONSULTANCY PVT. LTD.
504-506, Acropolis, Military Road, +91-22-67109192 , +91-22- 67257237
Marol, Andheri (E), Mumbai-59, INDIA vedam@vedamindia.com, www.vedamindia.com

Vessel Study & Data Gathering

 Study the vessel design

 Gather the as-built data –

◦ Available updated drawings

◦ 3-D Scanning



- For Equipment & PIPING

Single skid installation
OR
Multi Location Installation
Deciding Factors –
 availability of space

 installation accessibility

 Minimum modifications (structural, piping, electrical)



 Machinery Spaces
• Access for maintenance
• Additional ventilation for storage of chemicals
 Pump Room
• Explosion proof systems
 Exposed Deck
• Explosion proof systems in case of tankers
• Increase in GT if enclosed compartment
added
 New Structural Void tanks


Piping Design

 Modification of P&ID
 Pipe Routing (3D Model)
◦ Minimizing pressure loss
 Pipe pre fabrication drawings
 Bill of material
 Pipe Installation Drawings


Electrical Design

 Load Calculation
 Modified 1-Line Diagram
 Cable ducts routings & penetrations
 Cable Installation Drawings


Methodology

 In Situ pipe fabrication & installation
◦ Less engineering required
◦ High chances of rework for clash removals
◦ High Wastage of material & time
◦ High down time for ship

 Manual measurement onboard, 3D Routing & pre-fab
◦ Less down time of ship
◦ Pipes fabricated at workshop – good quality
◦ Large amount of engineering time spent onboard for measurement

 3D Laser Scan, 3D Routing & pre-fab
◦ Less time spent onboard


Execution

 At docking/Quay side
◦ Ship off-hire for the period of retrofit
◦ Must in case of in situ fabrication (hot work) & installation

 During sailing/operation
◦ Pipe can be pre-fabricated using Pre-fabrication drawings from 3D model
◦ Installation can be done during operation (cold fitting) with least
interference in normal operation


Project Management

 Class Approvals
◦ Approvals for Retrofit Drawings
◦ Coordination for Class survey onboard

 Workshop Coordination
◦ Technical Specification for retrofit
◦ Job work order & Workshop Selection

 Supervision
◦ Quality inspections (critical for in-situ fabrication)
◦ Workshop inspections for pre-fab pipes

 Commissioning


 5500 DWT MPC
◦ Length O.A – 104.000
◦ Length B.P - 98.535
◦ Breadth - 15.250
◦ Depth - 7.450
◦ Draft - 5.600

 Ballast capacity – 2250 CuM
 Ballast pumps – 150 CuM/hr @ 2.5Bar

 BWMT - PureBallast 2.0, Alfa Laval


 Location - Engine Room
◦ Being MPC Only space available is ER


 Location - Engine Room
◦ Unavailability of space in Tank Top
◦ Additional Mezzanine Platform Created


 Design Deliverables :

◦ Piping –
 Modified P&ID (Class Approved)
 Pre-Fabrication drawings
 Installation Drawings

◦ Platform Fabrication Drawings

◦ ER arrangement plan (Modified)

◦ Updated Electrical 1-line Diagram


 Feasibility & Costing

◦ 32,000 Bulk Carrier
◦ Ballast Pumps - 2x700 CuM/hr Pumps,
◦ Ballast Capacity - Total 12,000 CuM
◦ Equipment with different treatment methods
analysed
◦ Capex ranges from approx 800,000 To 1.3M USD
◦ Annual Expense ranges from 7,000 To 25,000 USD


 Total 60,000 Ships required to be retrofitted in a short period
of time.

 All existing ships must start retrofitting by 2015.

 The price of equipment have drastically reduced in last two
years. However, this may see reverse trend post ratification.

 Sudden Demand for retrofits :
◦ Equipment - High Cost / High Lead time / Non Availability
◦ Long Class approval Time
◦ Premium Engineering Hrs


 An ISO 9001-2008 certified  Services includes –
 Initial Design & Class Drawings
 Based in Mumbai, India  Detail Engineering & Production
documentation
 Team Size of 50 People (Naval  Ship & Offshore Conversion Design
Architects, Marine Engineers,  Analysis – Structural, Stability, Mooring
Engineers & Diploma)  Supervision & Surveys

 Projects in more than 20 Countries.  Software Used – FORAN, ANSYS, Zenmoor,
Orcaflex, DeepC, Revit, 3DsMax

17

 Tanker Conversion:
Conversion  Single hull to Double Hull
Design
 Tanker to Bulk Carrier
 Product Tanker to Chemical Carrier
 Tanker to FSO

Conversion  OSV to Diving Support vessel
Design  DP1/2 Conversion. FiFi1/2 Conversions
Process  Training Ship Conversion
 Cargo Vessel to Research Vessel
•Pre-Feasibility Study Conversion
•Feasibility Study
•Concept Design  Deck Barge to Accommodation Barge
•Structural Design
•Machinery and piping Design
 Lengthening/Jumboizing of Vessel
•Electrical and HVAC Design
•Detail Design


Retrofit
Design

• Crane Installation •Structural Design
• Mooring system design Processes •Stability Booklets
installation •Class drawings for
• Bulkhead/Tank approval
•Structural Analysis
Modifications
•Mooring Analysis •Production drawing
• Pipeline modifications
for the work
• Accommodation •Stability Analysis
increase shop/retrofitting
•Machinery /Electrical
• Equipment Installation team
System Design
(Pumps/Engines/Cargo
•Rules compliance
Gear/Bow Thruster/etc)
check Output
Modification •Onboard feasibility
check


Initial
Design
Producti
Software
on
Services
Design

Supervis Conversi
ion and
Surveys
Vedam on
Design

Naval
Structur Arch
al Plans &
Analysis Calculati
(FEM) Marine
consulta ons
ncy

THANK YOU

VEDAM DESIGN & TECHNICAL CONSULTANCY PVT. LTD.
Marine Consulting | Basic Design | Production Design | Conversion Design | New Building & Repair Supervision |
Stability Analysis | Structural FEM Analysis | Mooring Analysis | Shipboard Manuals | Inclining Experiment |

BWTP - Engineering Support (Vedam)

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BWTP - Engineering Support (Vedam)