Maggotty Hydro Expansion Project, Jamaica
Project Overview & International Working
Fraser Allison MEng CEng MICE
Contents
• Project Overview
• The Existing Plant
• The Expansion Project
• International Working
The Drive for Hydro in Jamaica
• 96% of Energy from Fossil Fuels in Jamaica
• Sustainability Issues
• Hydro ~ 2% (22MW) of total (1.1GW)
• Electricity Prices are high & variable
• Development Finance Available
Project Overview - Maggotty
• Owner – Jamaica Public Service Co. (JPS)
• EPC Contract – Value $27M
• EPC Contractor – Kier Construction Ltd.
• MML – Designer and Technical Advisor
• Andritz Consortium – M&E Plant
Mott MacDonald Scope
• Hydraulic Modelling
• Hydrological Assessment
• Basic & Detailed Civil Design
• M&E Engineering
– Building Services
– Transient Review
– Scope of Supply – Hydroplant
– Balance of Plant
– Control & Protection
– Interfaces – new and existing schemes
Project Details – Key Facts
• Gross Head = 96m
• Doubling Capacity to 12.6MW
• 2 new Francis Units – 3.15MW each
• 2.4km Pipeline
• Total Design Flow = 17.2 cumecs
• Re-use of Existing Elements
Project Summary
The Existing Scheme – Built in 1959
• Designed by Scottish Engineers
• Mechanical plant built in Scotland
The Proposed Scheme - New Intake
New Pipeline
• DN2600/DN2400/DN2100/DN1800 GRP
• Mainly Above Ground – Some Buried
New Powerhouse
Turbine Hall Floor
Plan
Project Players
MWH (USA) – Owner’s
• Engineer
Gross Head = 96m
MML (UK) Designer
Andritz (Fr) –
Turbine design &
supply
JPS Co. (Jm) Client
Indar (Esp) –
Generator design &
supply
Andritz (Mx) – C&I
Design & supply
O-TEK (Co) – GRP Pipe
Supplier
Kier (Jm / UK) – EPC
Contractor
Opportunities – International Working
• World Bank ($6Bn) & others financing
• New markets – hydro and others related
• Make a real difference – build capacity
• Appetite for development
• Technology & skills exportable
Key Risks / Challenges – International Working
• Communication
• Cultures & Skills
• Standards & Safety
• Quality
• Bespoke design
• Control of Local Issues
www.mottmac.com