Water Power and Dam Construction. Issue April 2009

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26 MARCH2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

SMALL HYDRO

first BC companies to introduce the concept of clustering projects

to share the substantial cost of longer transmission lines. For

instance, at Plutonic Power’s East Toba and Montrose project, the

two run- of-river developm ents will share a singl e 150km long,

230kV transmission line. Without this sharing arrangement, nei-

ther developme nt would be financially vi able. The environment

also benefi ts from this arrange ment, as line sharing reduces the

potential development footprint. Furthermore, the lines are routed

as much as possible along existing logging roads, resulting in less

clearing for transmission line corridors. This environmental advan-

tage is in turn important for First Nations partners, as transmis-

sion lines often cross their territory.

A similar sharing of transmission lines is occurring in Cloudworks

Energy’s Kwalsa Development site, 90km northeast of Vancouver.

N British Columbia (BC), Canada, Knight Piésold has worked

closely with several private and institutional developers on pro-

ject development, applying many new and innovative techniques

in all aspects of designing hydro schemes. These include project

identification, stream gauging and hydrological assessment, engi-

neering design, project optimization, environmental assessment, per-

mitting and licensing, and First Nations involvement.

ROJ ECT IDE NTI FI CATI ON

In the early 1990’s, Knigh t Piésold worke d with develope rs on

identifying and optimizing run-of-river projects that were close to

existing transmission lines. But in the last few years, as prime sites

have been ide ntified in more remote a reas, it became one of t he

Since engineering its first hydroelectric scheme in 1926, Knight Piésold has gained

considerable experience in the design of power generation facilities. In the 21st century,

the company is working with its partners to create a legacy of clean, renewable energy

through run-of-river hydro projects

Technical and design innovations

in run-of-river projects

Assessing hydro power development in Gargoyle

Creek Valley –- Plutonic Power’s Bute Inlet Project

MAR CH 2 00 9

Serving the hydro industry for 60 years: 1949-2009

Examining excavation work

Focus on small hydro

Data collection

Innovations in run-of-river hydro schemes

28 MARCH2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

This method has also improved the company’s ability to predict

flows at one site on the basis of flows at another site, even if the

relative timing of flows at both sites do not exactly coincide. The

flow prediction methodology has proven to be acceptable for bank-

able feasibility studies, enabling clients to secure project financing,

says the company.

TAKE DESI GN

A primary goal of a run-of-river intake design is to extract water

from a river while excluding sediment and debris, which can cause

impact damage and excessive wear to the conveyance system and

turbines. Sediment exclusion has traditionally been achieved through

the use of expensive and often extensive desanding facilities. Knight

Piésold has refined the design of two types of intakes that incorpo-

rate efficient sediment exclusion systems, which have proven very

effective in high energy, glaciated river systems: Coanda Screen and

Rubber Weir Type Intakes.

Coanda Screen Intake

The Coanda screen intake relies on t he Coanda effect of flowing

water to stay attached to an adjacent curved surface to direct water

through a fine mesh ed screen. It was used for the fir st time on a

Canadian run-of-river project in 2004. Over the past five years, the

company has worked closely with the manufacturer, Norris Screens

and Manufacturing, and contractor partner, Peter Kiewit Sons, to

optimize the screens’ design. The screens’ water diversion capacity

has been designed to make it more “fish friendly”, while its ability

to exclude sediment has been maximized and maintenance nee ds

have been decreased. The new stainless steel screens are self-clean-

ing and eliminate particles of less than 2mm in diameter. They are

substantially more robust than the first-generation type and better

able to withstand the high flood level s and heavy debris loads of

streams i n BC’s coastal mountains. In 20 05, the design for the

McNair Cree k Green Power project, which included a Coanda

Intake, received an Award of Excellence from the Consulting

Engineers of British Columbia (CEBC).

Rubber weir intake

The rubber weir intake incorporates a large diam eter, cylindrical

rubber weir that automatically inflates and deflates in response to

sensors measuring water levels in the headpond. Under very high

flows, the weir deflates completely, providin g passage for flood

waters and debris.

SMALL HYDRO

Above: Coanda screen intake – Renewable Power’s McNair Creek project

Right: Weholite pipe low pressure conduit – Rutherford Creek Power/

Innergex’s Rutherford Creek

ciency of stage discharge data collection.

The operation of so many gauging stations and the huge amounts

of data they generate has necessitated the development of a special-

ized hydrology module for Knight Piésold’s centralized, web-based

Fulcrum environmental data management system. This module was

created specifically for the storage, management and processing of

stream gauging data. It allows field staff to upload, view, and process

all information from remote locations, and any changes to the data-

base can be viewed in real time by staff and clients.

To assist with ra ting curve development, and par ticularly the

extrapolation of a curve beyond the range of measured stage-dis-

charge values, a ranked regression model ing approach has been

eveloped. When combined with an understanding of the physical

rocesses dictating hydrologic response in compared watersheds,

this appr oach provides guid ance for the delin eation of a curve.

The company is currently constructing four of eight planned run-of-

river projects. This group of facilities is sharing the significant trans-

mission and interconnection costs to tie into BCTC’s 360kV

transmission system.

TRE AM GAUG ING AND HYDR OL OGI CAL

ASS ESS ME NT

Knight Piésold has developed considerable expertise for the collec-

tion and analysis of hydrological data in isolated, challenging envi-

ronments, including watersheds in coastal mountainous BC, Arctic

permafrost terrain on Baffin Island, and dense, tropical jungles in

Africa. It currently operates over 150 stream gauging stations around

the world. Most of these are in high velocity, glacier-fed streams in

BC’s Coastal Mountain range. The quality a nd value of the data

depend on several factors including gauging site selection, flow mea-

surement technique, data quality assurance and control, rating curve

development, and data analysis.

Proper gauging site selection is critical for ensuring a definable

and consist ent relationship betwe en water stage and discharge.

Considerable skill is also required to identify, assess and establish a

proper gauging site. A ccurate flow measurement is also of para-

mount importance, and for this the company uses several flow mea-

surement instruments and techniques including a traditional velocity

meter, an acoustic Doppler current profiler, and salt and rhodamine

dye dilution. The method of choice depends greatly on channel char-

acteristics and flow conditions: the salt and rhodamine dye tech-

niques are generally preferred for the tu rbulent, fas t flowing

conditions that developers often face. These methods present chal-

lenges, however, as they involve expensive equipment that requires

alibration and is sensitive to changing conditions. A high level of

skill is also needed to select an appropriate site to ensure complete

mixing of the tracer compound.

However, with constantly evolving knowledge of technological

constraints in difficult field conditions, the quality of site data con-

tinues to improve. Knight Piesold is now developing an automated,

multi-discharge rhodamine dye type measurement device that will

remotely record a series of flow values at predetermined water levels.

This will allow several stage-discharge points to be obtained during

a single large flow event, thereby dramatically increasing the effi-

WWW.WATERPOWERMAGAZINE.COM MARCH 2009 27

SMALL HYDRO

Right: Helicopter access to a remote site in the East Toba River Valley –

Plutonic Power’s East Toba and Montrose project

Below: Stream gauging on Raleigh Creek –Plutonic Power’s Bute Inlet project

42 APRIL 2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

ENVIRONMENT

some villages are only being served by independent power sources

such as diesel generators.

ROJECT OVERVIEW

The new small hydro power plant is being built in Bekhal, 100km

from Erbil City in the Kurdistan Region. The project area is adja-

cent to Zagros mountains which rise 2400m above sea level. Annual

rainfall in the area lies anywhere in the region of 375 to 724mm,

and, as a semi-arid continental climate, it usually has hot and dry

weather in summer, and cold and wet weather in winter. This pro-

ject area, one of few tourist resorts in Erbil, is famous for its springs

and topographically beautiful scenery. Soran substation, together

with a 11kV distribution line, serves the project area – although reg-

ular power failures occur due to the overloads.

YDROLOGIC ANALYSIS

An unusual feature of this project is that it will use water flowing from

a rock bed in a canyon, rather than using stream or reservoir water.

For a reliable estimation of flow, 20-30 years worth of hydrologic

data is recommended. Unfortunately there was not enough data for

this project area. Instead, the flow out of Bekhal spring was estimat-

ed by analyzing monthly mean flow based on available daily flow data

S part of the reconstruction work on infrastructure dam-

aged by war in Iraq, the Ministry of Energy (MOE) of the

Kurdistan Regional Government (KRG) requested assis-

tance from the Korean government to develop a hydro

power project in the country.

K-water, a state-owned enterprise p rimarily establis hed as a

national water resources organization in Korea, conducted a pre-

liminary feasibility study in the Bekhal area of Northern Iraq and

confirmed that abundant spring water combined with favourable

topographical conditions meant the development of a small hydro

scheme was economically viable.

Despite dangerous local conditions, from July to November 2007

K-water and Dongshin Co executed detailed design for a small hydro

scheme. Sammi Co of Korea was contracted to undertake con-

struction, with work scheduled to finish in July this year.

ROJECT AREA

With a population of 1.5M, the Northern Iraq state of Erbil requires

430MW of power to ensure uninterrupted power supply. However,

there is currently only 29MW of power being produced by power

plants in the area, with a further 160MW being supplied intermit-

tently from the national grid. Importantly, some of the surrounding

areas of Erbil city have not been connected to the national grid, and

Small steps in Iraq

A small hydro scheme is being developed in Bekhal, northern Iraq,

utilizing the abundant spring water found in the area

Annual monthly average flow

Flow (cms)

14,000

12,000

10,000

8,000

6,000

4,000

2,000

0,000

Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec

2001 2002 2003 2004 2005 2006

Comparison between rainfall and flow in 2003

Average flow (m/s)

Rainfall (mm)

200

180

160

140

120

100

Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec

Bekhal flow Soran rainfall

Below, left: Annual monthly average flow; Right: Comparison between rainfall and flow in the project area

WWW.WATERPOWERMAGAZINE.COM APRIL 2009 43

ENVIRONMENT

investigated during a UNDP feasibility study, and monthly flow data

surveyed by the Ministry of Water Resources from 2001 to May 2007.

The flow out of Bekhal spring was found to be linked to the rain-

fall in the project site, with the rainfall influencing the flow after one

month. The wet season in the area is from January to June, and the

dry season is from July to December. Flow increases from December

to May and decreases from June to November.

The flow duration analysis found that the normal flow is

3.54m

/sec, with the discharge for generatio n determined to

2.5m

/sec. The water supply capacity to the Soran area is 0.7m

/sec

and environmental flow is 0.3m

/sec.

AIN STRUCTURE AND FACILITY

All structures for the scheme had to be designed to ensure they did

not negatively impact the surrounding environment. The main struc-

tures consist of: intake facility, sedimentation basin and forebay, pen-

stock, access road, bridge, powerhouse and transmission line. The

forebay in particular was designed to create attractive waterfalls to

fit in with the tourist resort, while the penstock is bein g installed

under the access road. Full details can be found in Table 1:

ONSTRUCTION

Construction work on the project began in March 2008. The access

road, forebay, powe rhouse , bridge and penstock works are in

progress, with a majority of the work completed so far. The project

is scheduled for completion in July 2009 .

Successful completion of this project is expected to create a more stable

electric power service in the area, while helping to invigorate tourism

and promoting the relationship between Korea and Iraq.

The authors are:

Nam-Bin Cho, Director, Gyeongnam Operation

Dept. K-water. chonb@kwater.or.kr

Dong-Sun Shin, Head Manager, Engineering Services

Dept. K-water. dongsun@kwater.or.kr

Yong-Kuk Kim,Manager, Engineering Services

Dept. K-water. kyk1817@kwater.or.kr

Hong-Yeol Choi, Assistant Manager, Engineering Services

Dept., K-water. hong@kwater.or.kr

IWP& DC

Table 1: Structures and facility

Generator facilities

Generator capacity 1.2MW (600kW x 2EA)

Flow 2.5m

/sec

Effective head 60m

Turbine efficiency 88%

Generator efficiency 94%

Generator type Synchronous generator

Turbine type Francis turbine

Structure and facilities

Intake weir Mass concrete weir type (L 8m x W6m x H2.5m)

Waterway Box culver t type (L22.2m x W2m x H1m)

Forebay Concr ete structure including sedimentation basin

(L18.4m x W10.4m x H9.4m)

Access Road Concr ete pavement road (L436m x W4m)

Bridge RC, Rahmen bridge (L20m x W7m)

Powerhouse Concrete structure (L20.5m x W15.5m x H19.1m)

Penstock Main pipe (dia. 1100mm, L378m); Branch pipe

(dia. 800mm, L6.4m x 2 lines)

Switchgear Mold transformer (1700kVA), 0.4/11kV

Transmission line 11kV, 0.7km

Top: Spring water flow survey; Middle: Structure layout; Bottom: Construction

Aerial view of the project site

44 APRIL 2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

ENVIRONMENT

and solar, will cost hundreds of billions of dollars. Technical inno-

vation in the production of new vehicles that use more efficient con-

ventional technologies, or more likely electricity, will be of a similar

scale. Carbon capture and storage will be essential as we wean our-

selves off dep endence on coal. Hydro power projects have great

investment potential and we must work to expand the capacity for

storage of hydro power beyond our existing capacity.

Building vital infrastructure, training young people to become the

engineers who construct the infrastructure and develop innovative new

technologies, re-training older people and educating investors to

improve their knowledge of the underlying sector are all immediate chal-

lenges. Equipping management teams with the requisite skills to take

optimum advantage of the evident opportunities will also be crucial.

A private equity backer can take these companies to the next stage

of their development by bringing the necessary skills, capital and expe-

rience. A private equity investor can also help instil focus and disci-

pline while ensuring the growth strategy and business plan is clear.

Private equity and venture capital firms are servants of the real

economy. They don’t dabble in exotic derivative instru ments but

invest for the long term with a view to strengthening a company and

equipping it to compete more effectively. These skills are particu-

larly well suited to the resource and time intensive nature of invest-

ing in renewable energy and clean technologies.

’

T WAIT

Investing in innovative clean power technologies is not something

that can wait until our economy recovers. Innovation can provide

us with a path out of recession and it will also be central to a remod-

elled economy. We have an opportunity to lay the foundations of a

new economy based on innovat ion and create thousands of new,

highly skilled jobs in the renewable energy sector.

However, to do this we must have certainty of regulation and a

regulatory framework in place which supports those investors able

to bring their capital and skills to fledgling renewable energy and

cleantech businesses, and build them into world leaders. I am con-

fident that with this support, private equity and venture capital will

play a crucial role in nurturing innovation and ensuring a sustain-

able energy future.

Simon Walker,

CEO,

British Private Equity and Venture

Capital Association,

3 Clements Inn,

London WC2A 2AZ,

UK.

Email: bvca@bvca.co.uk

HE fact that I am being asked to write a piece for this maga-

zine is a sign of how wide the investment reach of private

equity and venture capital has become. Our industry is no

longer a niche area of the financial services marketplace but

a mainstream asset class. For the uninitiated, here’s a quick summary

of the private equity and venture capital industry and how it operates.

RADE BODY

Private equity firms raise capital from institutional investors such as

pension funds and invest this money into larger established busi-

nesses which typically need private equity capital and management

skills to continue growing. Increasingly, private equity firms are using

this capital and experience to rescu e businesses in t rouble due to

recessionary pressures.

Like private equity, venture capital firms raise money from insti-

tutional investors but invest into smaller, pre-revenue or pre-profit

businesses. They tend to focus on backing technology or life-science

companies developing innovative products.

The British Private Equity and Venture Capi tal Ass ociati on

(BVCA) is the trade body for private equity and venture capital. We

aim to promote the industry and educate stakeholders through com-

munication and research initiatives which feed into government,

trade unions, media and the general public. Our sector encompass-

es private equity and venture capital firms investing across many dif-

ferent industries, in the UK, Europe and globally.

Part of the education process involves bringing our m embers

together through fo rmalised groups and committees in order to

speak authoritatively with a unified voice on issues of mutual inter-

est and concern. We formed the Energy, Environment and

Technology Group as a response to the increasing demand amongst

investors, the government an d media for more ed ucation on the

opportunities this sector can offer. The members of the group have

a wide range of experience across the renewable investment space

which we can harness and help inform future government policy and

assist investors who wish to understand more.

The EU has a target of generating 35%-40% of its energy from

renewable sources by 2020. Meeting this target will require massive

capital investment. This presents private equity and venture capital

investors in this sector with a unique opportunity to lay the foun-

dations for our future energy economy.

TEPPING UP INVESTMENT

The environmental case for stepping up investment in clean energy

is obvious – the economic one is even more compelling. Renewable

energy will form the backbone of the new energy economy which

will develop over the next 20-30 years.

Shifting our electricity generation base from the current conven-

tional capacity to new low CO

capacity, primarily through wind

Time to step up investment

The Energy, Environment and Technology Group of the British Private Equity and

Venture Capital Association (BVCA) has been set up in response to the increasing

demand for more education on the opportunities this sector can offer. Simon Walker,

BVCA’s chief executive, believes that hydro power projects have great investment

potential. Furthermore, he adds that investing in innovative clean power technologies

is not something that can wait until the economy recovers

IWP& DC

23-26 June 2009 • Reykjavik • Iceland

Advancing

Sustainable

Hydropower

www.hydropower.org

The International Hydropower Association is pleased to announce its initial World Congress sponsors and partners:

Registration for the IHA 2009 World Congress is now open.

Tel: +44 20 8652 5290 Email: congress@hydropower.org Web: www.hydropower.org

PROFESSIONAL DIRECTORY

46 APRIL 2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

CLASSIFIED

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website: www.coyne-et-bellier.fr

COYNE ET BELLIER

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active worldwide as

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covering the multitude of technical disciplines

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emphasis on the

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Fichtner GmbH & Co. KG

Sarweystrasse 3 • 70191 Stuttgart • Germany

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Tel: +47 67 57 10 00

Fax: +47 67 54 45 76

company@norconsult.com

Power and Water Management

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AF-Colenco Ltd

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olenco-info@afconsult.com • http://www.af-colenco.com

Consulting / Engineering and EPC Services for:

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PROFESSIONAL DIRECTORY

WWW.WATERPOWERMAGAZINE.COM APRIL 2009 47

CLASSIFIED

www.waterpowermagazine.com

Yolsu Engineering Services Ltd. Co.

Hürriyet Caddesi No:135 Dikmen, 06450 Ankara,TURKEY

Tel: +90 312 480 06 01 (pbx) Fax: +90 312 483 31 35

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Internet www.stellba-hydro.ch Internet www.stellba.de

E-Mail info@stellba-hydro.ch E-Mail info@stellba.de

www.waterpowermagazine.com

The classified section in Water Power & Dam Construction

is a well established and popular section with the magazine’s

combined print and digital circulation of 16,000. Commonly

known as where “the buyer meets the seller”.

Classified

opportunities

For more information, please contact

Diane Stanbury Tel: +44 (0)20 8269 7854 or email: dstanbury@progressivemediagroup.com

Recruitment

The ideal way to promote a company vacancy and

reach experienced professionals looking for the next

opportunity to advance their career in the hydro power

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Industry showcases

The industry showcase section is made up of eighth

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are also an ideal way to promote product literature and

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Recommended duration: minimum 3 months

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48 APRIL 2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

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Providing water control solutions through thoughtful engineering,

innovative design, attention to de tail and outstanding custome r

service. Contact us for inflatable water control gates and rubber

ams.

PO Box 668, Fort Collins, CO 80522 USA

el: 970-568-9844

www.obermeyerhydro.com

• Custom Design Hydraulic Cylinders

• Servomotors

• Piston Accumulators'

•

Hydraulic Power Units

•

Control Panels

www.doucehydro.com

Douce Hydro FRANCE, USA and GERMANY

Tel France: + 33 / 3 22 74 31 08 ; E-mail: afleroy@doucehydro.com

el USA: + 1 / 586 566 4725 ; E-mail: fvandenbulke@doucehydro.com

Tel Germany: + 49 / 177 398 37 78 ; E-mail : ublase-henke@doucehydro.com

BEARINGS

PAN

bronzes

and

PAN

-GF

self-lubricating bearings

Since 1931

- Superior quality with

• Highest wear resistance

• Low maintenance

• Or maintenance free

Extended operating life

PAN-Metallgesellschaft

P.O. Box 102436 • D-68024 Mannheim / Germany

Phone: + 49 621 42 303-0 • Fax: + 49 621 42 303-33

ontakt@pan-metall.com • www.pan-metall.com

BEARING OIL COOLERS

EXECO, Inc. ... a H

at Ex

hanger E

gineering Co

el: +1 (920) 361-3440 • Fax: +1 (920) 361-4554

E-Mail: info.wpd@hexeco.com • Web: www.hexeco.com

IL COOLERS

For

THRUST and

GUIDE

BEARINGS

CONCRETE COOLING

• COLD & ICE WATERPLANTS

• FLAKE ICE PLANTS

• ICE DELIVERY & WEIGHING SYSTEMS

• ICE STORAGES

KTI-Plersch Kältetechnik GmbH

Carl-Otto-Weg 14/2

88481 Balzheim

Germany

Tel:/Phone: +49 - 7347 - 95 72 - 0

Fax: +49 - 7347 - 95 72 - 22

Email: ice@kti-plersch.com

Website: www.kti-plersch.com

CONCRETE COOLING

FILTRATION EQUIPMENT

Contact Diane Stanbury on:

+44 208 269 7854

dstanbury@

progressivemediagroup.com

For World Marketplace

advertising opportunities

WWW.WATERPOWERMAGAZINE.COM

WORLD MARKETPLACE

WWW.WATERPOWERMAGAZINE.COM APRIL 2009 49

CLASSIFIED

www.waterpowermagazine.com

HYDRO CASTINGS

HYDROMECHANICAL

EQUIPMENT

•

Water turbine components

• Castings from 100 kg to 30 tons

• Latest CAD-CAM capabilities

• Certified Quality Assurance ISO 9001

• Environmental Management System ISO14001

Your contact: Mr. Timo Norvasto, Sales Manager

Lokomo Steel Foundry

Tel: +358 204 84 4222

Fax: +358 204 84 4233

Email: timo.norvasto@metso.com

Web: www.metsofoundries.com

SD NOEL L GmbH

HYDROMECHANIC AL EQUIPMENT

Engineering, design, fabrication and

installation of hydraulic steel structures

such as gates, penstocks, stoplogs,

trashracks including appurtenant drives

and electrical control systems as well as

the rehabilitation of existing plants.

Alfred-Nobel-Straße 20,

97080 Würzburg, Germany

Phone (+49) 931 903-1215

Fax (+49) 931 903-1009

Internet: www.dsd-noell.com

e-mail: sales@dsd-noell.com

HYDRO POWER

PLANT EQUIPMENT

! World wide referenced water to wire General Contractor

! Turbines and Generators

! Electromechanical Equipment

! Switchgears

! Control Protection Monitoring and SCADA Systems

! Balance of the Plant

! Turn key projects

! Rehabilitation

S.T.E. S.p.a. - Via Sorio, 120 - 35141, PADOVA(Italy)

tel. +39 049 2963900 - fax. +39 049 2963901

Email: ste@ste-energy.com Web: www.ste-energy.com

ISO 9001 CERTIFIED

ANDRITZ HYDRO GmbH

Penzinger Strasse 76, A-1141 Vienna, Austria

Phone: +43.1.89100-2659, Fax: +43.1.8946046

contact@andritz-hydro.com • www.andritz-hydro.com

Your partner for renewable energy.

Hydro Power.

We focus on the best solution – from water to wire.

oith Hydro Holding GmbH & Co. KG

Alexanderstrasse 11

89522 Heidenheim/Germany

www.voithhydro.com

Voith and Siemens Company

Water power plant equipment

(electrical and mechanical)

! Pumps

Governors

! Automation

! Modernization of existing power plants

Hydro power services

! Ocean energies

INSTRUMENTATION

(DAM MONITORING)

Geokon, Incorporated manufactures a full range

of geotechnical instrumentation suitable for

monitoring dams. Geokon instrumentation employs

vibrating wire technology that provides measurable

advantages and proven long-term stability.

The World Leader in

Vibrating Wire Technology

Geokon, Incorporated

48 Spencer Street

Lebanon, New Hampshire

03766

•

USA

Dam Monitoring Instrumentation

•

603

•

448

•

1562

•

603

•

448

•

3216

info@geokon.com

www.geokon.com

Alstom Hydro offers a complete range of equipment and services for

both new and existing hydro power plants, including:

• Turbines & generators for all sizes

• Pump turbines, fixed/variable speed generators motors

• Control & protection systems

• Refurbishment and upgrade

• Ser vices

• Small hydro

• Hydro-mechanical and lifting equipment

4 Avenue André Malraux,

92309 Levallois-Perret Cedex,

France.

T: +33 1 41 49 20 00

F: + 33 1 41 49 37 52

E: hydro.comm@power.alstom.com

W: www.hydro.power.alstom.com

Alstom Hydro:

Vikas Kothari: Executive Director Tel: 91 11 29565552 TO 55

Om Metals Infraprojects Ltd. Fax: 91 11 29565551

4th Floor, NBCC Plaza, Mobile: 91 98110 68101

Tower III, Sector 5, Email: vikas@ommetals.com

Pushp Vihar, info@ommetals.com

Saket, New Delhi, 110 017, INDIA Web: www.ommetals.com

Turnkey EPC contracts for:

•Radial Gates •Trash Racks & TRCM

•Vertical Gates •Gantry Cranes & EOT

•Penstocks •Mechanical/ Hydraulic Hoists

•Stoplogs •Draft Tubes

Turnkey EPC contracts for:

•Radial Gates •Trash Racks & TRCM

•Vertical Gates •Gantry Cranes & EOT

•Penstocks •Mechanical/ Hydraulic Hoists

•Stoplogs •Draft Tubes

Om Metals

WORLD MARKETPLACE

50 APRIL 2009 INTERNATIONAL WATER POWER & DAM CONSTRUCTION

CLASSIFIED

www.waterpowermagazine.com

STEEL CASTING

SMALL HYDROELECTRIC

POWER SETS

MICRO/SMALL

HYDROELECTRIC POWER SETS

- HYDRO TURBINES

PELTON P

FRANCIS F

KAPLAN

UP TO 10 MW

- CONTROL

TECHNOLOGY

www.hydro-energy.com

Global Hydro Energy GmbH

4085 Niederranna 41, Austria, info@hydro-energy.com

Partial Discharge?

www.pdix.com

PAR TIAL DISCHARGE DETECTION

INSTRUMENTATION

(GEOTECHNICAL)