The region’s only event dedicated to designing, planning anddelivering sustainable bridges

International summit: 25-26 October 2010Interactive workshops: 24 & 27 October 2010

Beach Rotana, Abu Dhabi, United Arab Emirates

Book before 29 July 2010 and save up toUS $800

For more information or to registerTel: +971 4 364 2975 Fax: +971 4 363 1938 Email: enquiry@iqpc.ae

www.bridgesme.comGold sponsors:

Outstanding executive contributions providing essential insight:

H. E. Engineer Abdullah Al ShamsiActing Executive Director Infrastructure

& Municipal Assets SectorABU DHABI MUNICIPALITY

Eng. Mohannad Al KhayatDirector Design Department, Road Affairs Sector

MINISTRY OF PUBLIC WORKS, KUWAIT

Naeem HussainLeader of Global Bridge Business

ARUP

Benefits of attending:• Explore the latest bridge developments and plans within the

Middle East region• Review the latest practices and future trends in bridge design,

construction and maintenance• Learn how to minimise delays, disruption and environmental

impacts related to bridge construction• Examine essential case studies from iconic bridges to regular flyovers

Workshops:• Design of bridges for new mixed use development

• Identifying and using innovative bridge inspection andmonitoring technologies

• Exclusive site visit to the Sheikh Zayed Bridge

• Exclusive site visit to the Hodariyat Bridge

Under the patronage of Abu Dhabi Municipality

Associate sponsors:

Exhibitors:

Switzerland www.mageba.ch

E C O

Mafraq Interchange (Planning, Design and Construction)Presented by Eng. Mohamed Ahmed Alamri, Section Head-

Coordinating Transportation Services, Municipality of Abu-Dhabi City

and Eur.Ing. Javad Akhtar, Technical Director, Hyder Consulting

26 October 2010

PLANNING CONTEXT

MAFRAQ INTERCHANGE

To Western Region

Development Area

PROJECT OBJECTIVES

• Replace existing deteriorating bridge (built 1976)

• Allow high standard of alignment design

• Cater for 10 & 25 year traffic forecasts

Scope

• Project Management, Highway, Structures, Topographic & Traffic

Surveys, Ground Investigations, Drainage, Lighting, Environmental

Impact, Utility Diversions

PROJECT OVERALL TIMESCALES

OVERALL ORGANISATION

ADM Management Team

Hyder Project Management Team

Zuhair Bardarkji – S Oxborrow – I Sabri

UK Design Team

J Colbran (Viaducts)

Manila Design Team A Michael

(Main Bridge)

UAE Design Team

Geotechnical, Traffic, Highways, Utilities, Survey, Environmental, Contract, M&E,

Data Collection, Approvals

Supervision Team

Hussein Hamza

Main Contractor

(Al Jaber)

Utility Consultants Parsons, Aecom, Tebodin,

PB Power, Halcrow,

• Existing traffic 25,000 vpd Abu Dhabi-Al Ain, 11,000 vpd Abu Dhabi

to Dubai

• The peak flow, around 2,500 vph, occurs during the AM Peak on the

Abu Dhabi – Al Ain Highway; towards Abu Dhabi;

• Growth of car traffic is forecast to be 10% p.a. in the short term

reducing to 4% in the long term.

• Truck traffic growth is forecast to grow at about 8.6% p.a. in the

medium term, reducing to 3 % in the long term.

• Highway “Level of Service” (LoS) indicators assessed for 2008,

2018 and 2033 (opening year, 10 year and 25 year) traffic forecasts.

TRAFFIC GROWTH

LAYOUT OPTIONS EVALUATED

OPTION -1 (OPTIONS 2 & 3

SIMILAR, SLIP ROADS VARY)

FULLY DIRECTIONAL

INTERCHANGE

Options 1 to 3

1) 2 Nos. Viaducts

2) 2 Nos. Tunnels

3) 1 Nos. Central bridge

4) 4 Nos. Slip Roads

5) 2 Nos. Main Dual (C/W)

LAYOUT OPTIONS EVALUATED

OPTION -4 SEMI- DIRECTIONAL INTERCHANGE

- as Adopted for Construction

Option 4

1) 2 Nos. Viaducts

2) 1 Nos. Central bridge

3) 4 Nos. Slip Roads

4) 2 Nos. Main Dual (C/W)

(Tunnels omitted)

LAYOUT EVALUATION SUMMARY

CRITERIA OPTION-1 OPTION-2 OPTION-3 OPTION-4

FUNDAMENTAL CRITERIAAs Design

Competition

As 1, alt slip

roads

As 1, Alt merge &

Diverge

Semi-directional

with loops

Meets all AASHTO & TOR Design Criteria. Y Y Y N

Estimated Cost. 331m 295m 309m 247m

Traffic Assessment in 2033

LOS - "A" am Peak 3rd 3rd 1st 1st

: pm Peak 2nd 4th 2nd 1st

LOS - "C" or better

: am Peak2nd 2nd 1st 2nd

: pm Peak 3rd 1st 2nd 3rd

LOS - "E or F"

: am Peak1st 2nd 2nd 4th

: pm Peak 3rd 2nd 1st 2nd

MISC. DESIRABLE CRITERIA

Distance to boundary wall of police station to

nearest shoulder19.5m to gate 11.6m to gate 17.2m to gate 14.4m to gate.

7.7m to wall 3.0m to wall 6.4m to wall 3.0m to wall

Viaduct height in front of Police Station gate 7.0m 7.9m 6.7m NA

Encroachment into 84,000 m2 83,000 m2 43,000 m2 78,000 m2

LAYOUT ADOPTED (option 4)

ADOPTED LAYOUT OPTION

Option 4 has the following features

• Meets TOR highway design criteria and provides adequate capacity for principal

traffic movements.

• Reduced loop design speed (50 kph) and traffic capacity for Tariff-Abu Dhabi &

Dubai – Al Ain movements.

• Saving of two tunnels, hence lowest construction cost.

• The sensitivity test of providing a reduction of the peak hour growth rate by 20%

results in a likely extension to the operational life of the interchange by 5 to 10

years.

• Allowing adequate space provision for a future 5th lane on the Abu Dhabi – Al Ain

Highway, will extend the operational life by at least five years.

SCHEME OVERVIEW

HIGHWAY (10 roads) Length 110 Lane.km

Area 430,000m2

VIADUCTS Width 18m (2+1 lanes, 2.3m FW)

Area 31,140m2

R5 Length 880m, 17 spans 40 to 70m

R6 Length 850m, 16 spans 40 to 84m

BRIDGES Length 80m

Spans 2 x 38m

Width 2 x 27.4m

RETAINING WALLS

Area 46,000m2

HIGHWAY DESIGN CRITERIA (AASHTO)

Design Speed (Main Line) 120 kph Principal Rural Arterial

Design Speed (Loops) 60kph (50 option 4)

Design Speed (Ramps) 100 kph

Structure Headroom Clearance 6.5 m

Lane widths (multiple Lanes) 3.75 m

Single Lane width 5.00 m

Inner/Outer Shoulders 3 m

Crossfall 2%

Maximum Superelevation 5%

STRUCTURAL DESIGN CRITERIA (AASHTO LRFD)

Truck Loading AASHTO LRFD TRUCK x 1.5 (ADM requirement)

Permit vehicle Type Caltrans P13, total weight 1400 kN

Temperature range 60C (0C - 60C)

Wind velocity 160 km/hr

Seismic Performance Zone 1; soil profile type I, acceleration coeft. A=0.09

• Sand overlying Mudstone, Sandstone and Gypsum-stone. The density of

the Sand varied from loose to very dense. The rocks were described as

very weak to weak.

• No cavities or solution features were encountered in any exploratory holes.

Some loss in the fluid circulation was observed in two boreholes but

attributed to fractures in the rock.

• Groundwater 2m depth

• Sulphate concentrations of up to 2.87 g/l (SO4) – Class 3 to BRE 363

GROUND CONDITIONS

STRUCTURAL FORM - Main Bridge

Two span post tensioned pre-stressed, insitu concrete box.

The deck is cast monolithic with the central piers and supported on

pinned bearings at the abutments. Abutments are reinforced concrete

cantilever walls supported on the piled foundations. Stepped reinforced

earth fill retaining walls

STRUCTURAL FORM - VIADUCTS

Constant depth post tensioned pre-stressed

concrete box on RC Piers on piled foundations

STRUCTURAL – Materials and Components

Concrete Grade Cube Cement Type

Piles AP 45MPa OPC/GGBFS/MS

Substructure AA 45MPa OPC/GGBFS/MS

Superstructure P 50MPa OPC/GGBFS/MS

Parapets Precast concrete TL-4 collision rating

OVERALL QUANTITIES - STRUCTURE

Description Unit Viaduct

R5

Viaduct

R6

Main

Bridge

Concrete in Deck Slab m3 12,690 12,680 7,260

Concrete in Sub Structure m3 11,050 9,970 3,280

Epoxy coated Reinforcement ton 6,751 6,708 2,786

Uncoated Prestressing Steel ton 476 542 136

1.2m dia piles at PiersLengths [m]

Service Loads [MN]

No. 21617-21

5.1-7.8

19419-25

5.1-9.3

2017

6.0

1.5m dia piles at AbutmentsLengths [m]

Service Loads [MN

No. 4219-22

5.9-8.5

4214-22

5.9-8.5

10017

6.0

Waterproofing Area m2 14,628 14,137 4,680

Expansion JointsLengths [m]

No.

m

517.7

417.7

427.3

ARCHITECTURAL REALISATION

ARCHITECTURAL REALISATION

STRUCTURAL – Materials and Components

Tendons Strands are 7-wire low relax UTS 1860 MPa

Continuity Tendon is 19 Strand (50%)

Diaphragm – Diaphragm (intermediate) tendon is 22 Strand (50%)

Design Losses Wobble coefficient Friction coefficient

Design Values K= 0.0010 0.14

Test Values K= 0.0005 0.07

Prestressing Ducts HDPE

Reinforcement Epoxy coated high strength tensile steel, UTS = 460Mpa

Parapets Precast concrete TL-4

Prestressing Ducts HDPE

75-84m span – 10 tendons per web (6 continuity+4 diaphragm-diaphragm)

Provision made for future external pre-stressing in the viaducts by providing ducts through

diaphragms and deviators at midspan to allow increase of approximately 10% in pre-stressing force

at midspan and piers Anchorage bursting reinforcement and pre-stressing anchors provided.

STRUCTURAL DETAILS

STRUCTURAL – Materials and Components

Design Temperature Range 0 to 60 Deg C

Movements creep & shrinkage temperature.

Viaduct Abutments 113mm 81mm

Movement joint piers 103mm 74mm

Type of Bearings:

Viaduct R5 and R6: Pot type, 33No. Free and 33No. Guided)

Main Bridge R10: Elastomeric 28No. Pier is monolithic with deck.

Expansion Joints

Viaduct R5 and R6: Modular Type

Main Bridge R10: Elastomeric

Waterproofing

Bridge Deck Single coat spray applied polyurethane membrane, with

sand asphalt protection layer

Substructures Torch applied Bituminous Sheet with protection board

Inside box Silane-siloxane coating

External Silane-siloxane coating and acrylic paint

Elastomeric Joint at Main Bridge

Modular Joint at Viaduct

STRUCTURAL DETAILS – Bearings

FOUNDATIONS - SUBSTRUCTURE

SUBSTRUCTURE

DECK FALSEWORK

DECK

DECK

NIGHT CONCRETING OF DECK

DECK

SUSTAINIBILITY MEASURES

• The palm trees returned for replanting

• Irrigation ducts provided for future landscaping works

• Use of treated sewage effluent (TSE) for the landscape areas.

• GGBFS and Microsilica used as partial cement replacement

• Milled asphalt to pave temporary roads

• Recycled crushed concrete used as a filter material

• Dewatering water used for soil compaction

HIGHWAY WORKS

SAMPLE PROGRAM VIADUCTS 1-4

SAMPLE PROGRAM SAVING DUE TO

RESEQUENCING DECK CONSTRUCTION

Time saving in Critical Section 3

(Flyover Abu Dhabi to Dubai)

Week

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

Original Duration: (242 working days)

Actual Duration: (105 working days)

Time saving:

Use of Steel Frame to pass traffic

underneath : (45 days)

Use of Scaffolding on whole section at

once: (30days)

Combination of two stages: (60days)

Project Management Performance

BUDGET PERFORMANCE [AED]

• Contract Value 754m

• Amended Value after Value Engineering 735m

• Projected out-turn (after material price escalation) 800m

• No major claims to date

PROGRAM PERFORMANCE

• Contract Period 30 months

SITE SAFETY

• 50 Minor Injuries

• 5 Major Injuries

• Fatal car accident in road through site (deemed unconnected with works

activity by police)

The conference was well planned and had high calibre presenters and quality papers that helpedin ideas, experience and knowledge sharingDirector, Road Projects and Maintenance Directorate, Ministry of Works, Bahrain

While it has been a challenging year for the construction industry, bridges in the Middle East region are still being built

in far greater numbers than ever before. As the Middle East develops, the number of technical and design challenges

for bridge construction continue to multiply.

Bridges Middle East 2010 will once again bring regional and international public and private sector industry leaders

together in Abu Dhabi this October. Speakers and participants will meet at the region’s only dedicated bridges event to

discuss and exchange best practices to help ensure the quality, safety, sustainability and durability of the next generation

of bridges.

During four days of innovative content, participants will be provided with the unique opportunity to meet with and learn

from Ministries of Public Works, Municipalities, transport authorities, private developers, consultants, contractors,

engineers, architects and designers who will discuss strategies and opportunities in the region's bridge construction

industry in the region.

Bridges Middle East 2010 will offer a platform for all stakeholders in the value chain, from bridge design and planning

to construction and maintenance, to discuss strategic projects and bridge development plans and hear from the latest

technologies available in bridge design, construction and maintenance.

We look forward to welcoming you in Abu Dhabi!

Yours sincerely,

Rozenn CornecConference Director

Bridges Middle East 2010

WELCOME

“ ”

“The depth of knowledge gained from this experience is unparalleled. This conference can be attended by anyone in the construction industryDeputy General Manager, Navayuga Engineering ”

Developments in Abu Dhabi have engendered theconstruction of several bridges, including some of thelargest and most complex structures in the region.Following the engineering ingenuity implemented in theEmirate and the success of the first Bridges Middle Eastsummit in 2009, Abu Dhabi is the perfect location to hostthis important annual meeting.

Why Abu Dhabi?

www.bridgesme.com

BRIDGES

Tel: +971 4 364 2975 Fax: +971 4 363 1938

WORKSHOPS AND SITE VISITS: SUNDAY 24 & WEDNESDAY 27 OCTOBER 2010

IQPC’s workshops are unique opportunities to spend valuable time with industry experts. These interactive sessions areextended to ensure that you will get to the heart of the conference’s most critical issues and uncover practical solutionsyou can apply in your own company.

Sunday 24 October 2010

Pre-summit workshop: 09:00 – 12:00

Design of bridges for new mixed use development

This workshop will provide you with in-depth knowledge ofbridge design associating both technicality and aestheticswhile integrating in the surrounding environment.

Benefits of attending: • Learn how to maximise collaboration between master

planners, architects, structural engineers and others parties• Enhance your knowledge on producing optimum bridge

design that takes the design beyond satisfying thetechnical and functional requirements

• Assess how good design can add value to clients and thecommunity at large

Workshop leader: Nidal Odeh, Regional Head of Bridges, Hyder ConsultingMiddle East Limited

Pre-summit site visit: 13:00 – 16:00

Exclusive site visit to the Sheikh Zayed Bridge

Benefit from the exclusive opportunity to visit the iconicSheikh Zayed Bridge in its final completion stage. You willexplore how the architectural concept of this landmarkstructure has been translated into reality and you willexamine how the construction challenges have beenovercome.

Facilitated by:High-Point Rendel

Wednesday 27 October 2010

Post-summit site visit: 09:00 – 12:00

Exclusive site visit to the Hodariyat Bridge

This exclusive visit will be a unique opportunity tounderstand and explore the superstructure connecting theAbu Dhabi eastern coastline to the Hodariyat Island. Thisvisit will complete the main conference presentations andenhance your understanding on how the design andconstruction challenges were overcome to deliver the firststay cable bridge to be constructed in the UAE.

Facilitated by:Brian W. West, Project Director,AST-VSL Joint Venture

Post-summit workshop: 13:00 – 16:00

Identifying and using innovative bridge inspection andmonitoring technologies

This workshop will give you the opportunity to gain expertiseon innovative bridge inspection technologies that will allowyou to improve the life-cycle management of bridges.

Benefits of attending: • Review key inspection and monitoring techniques and their

applications to bridges• Assess the importance of effective inspection and

monitoring to ensure safety, maintenance and repair of bridges

• Learn from best practices in bridge inspection

Workshop leader: Professor Dr.-Ing. Thomas Ummenhofer, Head of ResearchInstitute for Steel, Timber and Masonry Department Steeland Leight Weight Structures, Karlsruhe Institute ofTechnology (KIT)

MIDDLE

www.bridgesme.com

CONFERENCE DAY ONE: MONDAY 25 OCTOBER 2010

07:45 Registration, refreshments and networking

08:30 Chairman’s welcome and opening remarksDavid Ball, Chairman, Concrete Bridge Development Groupand President Designate, Concrete Society

Plans and forecasts for bridge projects in the Middle East

08:45 Acknowledging Abu Dhabi Municipality’s strategic vision forinfrastructure and bridge projects• Presenting the strategic vision of Abu Dhabi Municipality• Providing updates on the progress of various ongoing

projects in Abu Dhabi• Identifying the plans and forecasts for ongoing and future

bridge projects H.E. Engineer Abdullah Al Shamsi, Acting Executive Director, Infrastructure & Municipal Assets Sector, Abu Dhabi Municipality

09:20 Assessing recent developments in Kuwait’s infrastructure projects• Identifying the current bridge projects and quantifying

the scale of projects • Examining the design and construction issues facing

the Subiya Causeway • Understanding the latest advancements of the Subiya CausewayEng. Mohannad Al Khayat, Director, Design Department, Road Affairs Sector, Ministry of Public Works, Kuwait

09:55 Developing strategic infrastructures projects within the region• Preparing the master plan and consolidated budget

of infrastructure projects• Assessing key challenges in meeting project requirements

and deadlines• Assessing the qualification of consultants and contractors Panelists will include speakers of the day andHamed Zaghw, Senior Vice President, Parsons

10:30 Morning break, networking and refreshments

Reviewing the latest practices and future trends in bridge design and construction

11:00 Exploring the future trends in bridge design in the Middle East• Assessing the techniques used in large bridge projects

in the region• Identifying innovative design solutions to cope with the

hostile climate• Recommending design practices that could be adopted

for future bridge projectsJesper S. Damgaard, Managing Director, COWI Dubai

11:35 Identifying the latest practices for concrete bridge design• Understanding the role of concrete in sustainable structures• Assessing the new methods and requirements for concrete

bridge design • Learning from the best practices in concrete

bridge design David Ball, Chairman, Concrete Bridge Development Group and President Designate, Concrete Society

12:10 Reviewing design and construction regulation in the Middle East• Understanding the impact in the region of the withdrawal

of British Standards and the introduction of Eurocodes• Identifying design code options and their applicability and

benefits to the Gulf region• Assessing the importance of compliance with product and

workmanship requirements to achieve target reliability

• Acknowledging what other non-European countries aredoing with respect to adopting or adapting Eurocodes

Chris Hendy, Head of Bridge Design and Technology,Highways and Transportation, Atkins

12:45 Lunch break and networking opportunity

Overcome the challenges in bridge design and construction

13:45 Managing bridge projects in the Middle East• Analysing function versus form • Determining how bridges support an integrated

infrastructure plan • Exploring the management and coordination of different

procurement strategiesTim Risbridger, Partner, EC Harris International Ltd

14:20 Maximising long-term value for investment – the importanceof careful selection of key bridge components and use ofmodern technologies• Understanding the increasing requirements on bridge

components such as bearings and expansion joints• Short-term savings at the price of future problems – the

false economy of an approach often taken • Examining the contribution of modern automated monitoring

technologies to efficient bridge analysis and maintenanceGianni Moor, COO, Mageba Switzerland and Niculin Meng, Area Manager, Mageba Switzerland

14:55 Analysing the challenges in designing and constructing the Sheikh Zayed Bridge• Bridging the gap between architectural conception and

engineering realisation• Reviewing design development of an awe inspiring landmark• Examining construction challenges and solutionsEng. Mohamed Al Ameri, Project Manager, Head ofTransportation Coordination Section, Abu Dhabi MunicipalityVardy Jones, Managing Director, High-Point Rendel

15:30 Identifying innovative post-tensioning and stay cabletechnologies• Ensuring durability and longevity of post-tensioned and

cable stayed structures• Acknowledging the evolution of stay cable technology and

current guidelines used for the design, detailing andtesting of stay cable systems

• Examining post-tensioning and cable stayed techniquesMarcel Poser, CEO, BBR VT International

16:05 Afternoon break, networking and refreshments

16:40 Bahrain's first precast segmental concrete viaduct - Isa Town Gate Interchange project• Designing and constructing Bahrain's first precast

segmental concrete viaduct• Identifying the challenges of constructing a three-level, grade-

separated interchange in a highly congested urban area• Assessing the effect of the global banking crisis on the projectDr. Mostafa A. Hassanain, Head, Bridge & Flyover Projects,Roads Projects & Maintenance Directorate, Ministry ofWorks Manama, Bahrain

17:15 Learning from the design of interchanges in the Dammam Area, Kingdom of Saudi Arabia• Identifying techniques of three level interchanges• Assessing the effects of soil type on foundation systems• Evaluating the effects of underground water on

underpass designDr. Jaber M. Alsiwat, Vice President, Saudi ConsultingServices (Saudconsult)Eng. Yousef Alshawaf, Chief Structural Engineer, SaudiConsulting Services (Saudconsult)

17:50 Final comments from the chair

18:00 End of conference day one

Switzerland www.mageba.ch

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Email: enquiry@iqpc.ae

CONFERENCE DAY TWO: TUESDAY 26 OCTOBER 2010

07:45 Registration, refreshments and networking

08:30 Chairman’s welcome and opening remarksDavid Ball, Chairman, Concrete Bridge Development Groupand President Designate, Concrete Society

Building sustainable and durable bridges

08:45 Ensuring the quality and durability of the next generation of bridges – the Hong Kong-Zhuhai-Macao Bridge• Understanding the requirements and characteristics of

bridge design for performance in a high typhoon area• Adopting appropriate mitigative measures to limit the

detrimental effects on the local environment• Achieving quality and durable bridge construction in

marine environment Naeem Hussain, Leader of Global Bridge Business, Arup

09:20 Developing bridge superstructure in a marine environment– the construction of the Hodariyat Bridge• Constructing the incrementally launched approach spans• Building the cable stayed main span• Discussing the specific foundation and superstructure

challengesBrian W. West, Project Director, AST-VSL Joint Venture

09:55 Overcoming the design challenges of the Hodariyat Bridge• Reviewing the evolution of the current cable stayed

bridge design• Managing the fast-track design programme• Assessing the specific design challenges Daniel Tassin, President, International Bridge Technologies (IBT)

10:30 Morning break, networking and refreshments

11:00 Utilising the latest solutions to optimise bridge design and construction, session one: Parsons presentationThese sessions offer delegates the opportunity to receiveupdates on the solutions available to overcome thechallenges in bridge design and construction.

Integrate bridge architecture with the surrounding environment

11:35 Understanding the architecture of bridges in relation to the public realm• Identifying the role of bridges in urban space • Understanding how bridge design should follow and

encourage best practices in terms of environmentalprotection and economic and social development

• Assessing the bridge contribution to the aestheticexperience and general quality of the city

Jean-François Blassel, Architect and Engineer, Director,RFR Paris

12:10 Architect’s approach to bridge design for pedestrian users• Assessing the role of pedestrian bridges in facilitating

the circulation • Ensuring the habitability and sustainability of pedestrian bridges • Designing aesthetics to deliver an enjoyable experience

to the users Steven W. Miller, Managing Director, Dubai, FX FOWLE Architects

12:45 Lunch break and networking opportunity

13:45 Assessing the latest architectural concept design forbridges in the Middle East• Reviewing bridge design and management challenges • Identifying innovative responses to site constraints and

special requirements • Achieving a balance between architectural and structural

design while integrating the local cultureNidal Odeh, Regional Head of Bridges and Civil Structures,Hyder Consulting Middle East Limited

Bridge monitoring and maintenance

14:20 Identifying new methods for the inspection andenhancement of lifetime for steel-bridges• Assessing bridge inspection challenges and solutions• Identifying the techniques available for bridge inspection

to reduce traffic delays and disruption• Using new methods to enhance fatigue life of welded

componentsProfessor Dr.-Ing. Thomas Ummenhofer, Head of ResearchInstitute for Steel, Timber and Masonry Department Steeland Lightweight Structures, Karlsruhe Institute ofTechnology (KIT)

14:45 Reconstructing the Al Mafraq Interchange• Reviewing the strategic planning context and overall

management• Understanding the technical consideration of the

design and construction • Identifying the lessons learnt from the project and

looking forward Eng. Mohamed Al Ameri, Project Manager, Head ofTransportation Coordination Section, Abu Dhabi MunicipalityEng. Javad Akhtar, Technical Director, Hyder ConsultingMiddle East Limited

15:20 Afternoon break, networking and refreshments

15:50 Assessing maintenance strategies of bridges in the Al Ain region• Reviewing the methods used in the repairs of bridges

in Al-Ain• Developing future strategies for the maintenance of bridges• Identifying recent bridges maintenance contracts in

Al Ain Municipality Dr. Walid Damaj, Internal Roads and Infrastructure Division, Al Ain Municipality

16:25 Final comments from the chair

16:35 End of conference day two

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Thank you

Any questions?