N25 New Ross Bypass PPP ProjectHistory & Construction ProgressJoe Shinkwin & Pierre O’Loughlin

Presentation to TII National Roads Conference 201729th September 2017

02/10/2017 Mott MacDonald | Presentation 2

1. Project History2. PPP Process3. Construction to Date

Presentation Content

Project History

Traffic Significant delays of up to 30 mins

Safety125 reported injury collisions (2005-2011)

Network Resilience32 km diversions in the event of O’Hanrahan Bridge closure

Need for the Scheme

Inistioge Bridge

Ferry Bridge

Diversion Route (32km)

1993

1994

1995

2003

1996

1997

1998

1999

2000

2001

2002

2004

2005

2006

2014

2007

2008

2009

2010

2011

2012

2013

2018

2015

2016

2017

Wexford County Development Plan

2019

Kilkenny County Development Plan

NRA National Road Needs Study

Mott MacDonald appointed by Wexford County Council

Constraints Study and Route Selection Report

Bridge Options Report

Preliminary Design, EIS & CPO

Application to An Bord Pleanála

Scheme Approval

Combined N25 New Ross & M11 Enniscorthy PPP Scheme

N25 New Ross Bypass PPP Scheme Tender

Contract Award

Construction

Expected Completion

Project Timeline

Constraints Study Topography

Major River Crossing(s)

Port of New Ross

Infrastructure/Utilities

Environmental (cSAC, pNHA)

Route Selection46 Initial Options

5 Refined Options

2 Detailed Options

Route Selection -Challenge

02/10/2017

• 13.6km of Dual Carriageway4km Type 1 Dual

9.6km Type 2 Dual

• 1.2km Single Carriageway

• 3 At-Grade JunctionsGlenmore (N25)

Ballymacar (N25)

Corcoran’s Cross (N30)

1 Grade Separated JunctionLandscape (R733)

Preferred Solution - Roads

Route Plan & Profile

• 1 Railway Overbridge• 8 Underbridges• 3 Overbridges• 16 Underpasses• 6 Culverts• 3 Retaining Walls• 5 Environmental Barriers• 2 Sign Gantries• 2 VMS• 900m Extrados River

Barrow Crossing

Preferred Solution – Struct.

River Barrow Pink Point

River BarrowApprox. 300m wideRiver Barrow and Nore candidate Special Area of Conservation (cSAC) Barrow River Estuary proposed Natural Heritage Area (pNHA)Levee and flood plain

Port of New Ross36m Shipping Clearance above MHWS

Topography / Ground ConditionsPink RockAlluvial & Glacial Deposits

Challenges Options Solution4 Bridge Options StudiedHaunched Girder Bridge

Three Arch Bridge

Single Arch Bridge

Three Tower Extrados Bridge

Extrados option selected as it offered the best balance of overall performance

Solution

9 Spans (~900m total)Main spans – 2 x 230mApproach Spans

West Side: 45m, 60m, 86mEast Side: 86m,60m, 60m, 45m

3 Pylons (Centred on Bridge Deck)2 x 15m high side pylons1 x 25m high central pylons

Bridge DeckWidth ~22m (with widening on approaches)Navigation Clearance 36m

Extrados Bridge Details

River Barrow Bridge Elevation

PPP Process

• 22 Mar 2013 OJEU Advert for PQ• 19 Jun 2013 Pre-Qual Returns

• 9 Aug 2013 Four Shortlisted – BANBA, Sli Nua, BAM Iridium, & Direct Route

• 28 Nov 2013 Tender Documents Issued• 16 Dec 2013 Tender Consultation Meeting 1• 30 Jan 2014 Tender Consultation Meeting 2• 08 Apr 2014 Tender Consultation Meeting 3• 11 Mar 2014 Tender Consultation Meeting 4• 02 Apr 2014 Tender Consultation Meeting 5• 30 Sep 2014 Tender Return• 26 Jan 2016 Contract Award to Bam Iridium

PPP Tender Period – Key Dates

• Contract Awarded to BAM Iridium Consortium

• The Project sponsors are:• BAM PPP PGGM Infrastructure

Coöperatie U.A. (50%), and• Iridium Concesiones de

Infraestructuras S.A. (50%).

• PPP Company• New Ross N25 By-Pass DAC

• Contractor – BAM Dragados JV• Designer – Arup & CFC

PPP Co. Structure

• Commencement Date: 26th January 2016• Permit to Use (PTU): 31st January 2019• Completion Date: 30th April 2019

PPP Contract Dates

Overall Scheme Management

TII/NRA Project Board

TII/NRA (Authority’s Representative – Mary Bowe)

PPP Co (PPP Co Rep – Ricardo

Urien Laso)

Contractor NRJV(Contractor’s Rep –Adrian Cunningham)

Designer (Arup)

Authority’s Technical Advisors – Mott MacDonald(Commission Director – John Murphy)

(Commission Manager – Joe Shinkwin)

Authority’s Site Representative(ASR – Pierre O’Loughlin)

Wexford & Kilkenny County Councils(PLO – Sean Dobbs)

Construction

26th January 2016 40 Months 2019

Contract Dates

Commencement Date/ Contract Award Construction Period Opening Year

• Currently 20 months into a 40 month programme

1Authority’s Site Representative

3Inspectors

3Senior Resident Engineers

1Deck and Cable Specialist

4Resident Engineers

1Quality & Testing Manager

4Administration Staff

1Certification Co-Ordinator

Works Monitoring & Administration Team (WMA)

Authority’s Site Representative

25Total WMA team of

Current Progress

0% 20% 40% 60% 80% 100%

Site Clearance

Fencing

Earthworks

Structures

RBB Pier Bases

RBB Piers

Utilities

Drainage

Accom Works

% Complete

Construction Elements

Glenmore Junction

What’s Happening Now

May 2016

New Ross

Glenmore Junction

What’s Happening Now

August 2017

R733 Junction

What’s Happening Now

May 2016

R733

R733 Junction

What’s Happening Now

August 2017

New RossR733

Ballymacar Bridge Junction

What’s Happening Now

May 2016

N25

Ballymacar Bridge Junction

What’s Happening Now

August 2017N25

Corcoran’s Cross Junction

What’s Happening Now

August 2017

River Barrow Bridge

What’s Happening Now

River Barrow Bridge

What’s Happening Now

Deck Cross Sections

Construction Sequenceof River Barrow Bridge

River Barrow Bridge Elevation

35

Constructionof River Barrow Bridge

Piling WorksFoundationsPier Stem ConstructionFalsework Erection

Barrow Bridge Falsework

River Barrow Bridge

What’s Happening Now

River Barrow Bridge

What’s Happening Now

River Barrow Bridge

What’s Happening Now

39

Technology & Social Media

TII & Wexford County Council • Video documentary of the scheme• Time lapse of Barrow Bridge Construction

PPP Co / NRJV• Drone Technology for Site Progress Photos• Website www.n25newross.ie

Thank you