Poole Harbour New South Quay - PIANC · Poole Harbour – New South Quay • New 200m x 40m deep...

Poole Harbour – New South Quay

Richard Hayman

Contract Manager - Marine

Poole Harbour – New South Quay

• New 200m x 40m deep water quay

• ICE Design and Construct

• Value £8m

• 64 week programme duration (inc design)

• Client

• Poole Harbour Commissioners (Principle Designer)

• Main Contractor

• Bam Nuttall

Designers/Subcontractors

• Byland Engineering Piling

• Norder Associates Pavement

• Rhode Nielsen Dredging Works

Poole Harbour South Quay Design Phase

Insert GA

Geotechnical Design – Site Investigation

• Site Specific SI

• 2no. BH

• 8no. SPT

• Historic SI

• BH of varying

depths and quality

• Side scan sonar

bathymetric survey

• Topo survey

Geotechnical Design – Ground Model

Dredged sand

construction bund

Dense Sand bed of the

Oakdale Clay Member

Stiff Oakdale Clay

Dredged pocket prior to

sand placement

Alluvium

Geotechnical Design – Analysis & Design Criteria

• Geotechnical analysis conducted using:

• WALLAP – Retaining Wall

• Oasys Pile – Axial Capacity

• Pdisp – Settlement

• Design Criteria

• 50year life for structure

• All elements have a sacrificial steel

allowance in lieu of coating

• Gottwald Dock Crane

• Berthing and fender loads

• Quay Surcharge of 50kPa

Geotechnical Design

• HZ 880MA

• AZ13-70 10/10 Infills

• Anchor walls – reused

clients stock piles

• Rear wall – AZ sheets

reducing in size as the bed

level rises

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

• 1800t HZM Sheet Pile

• 75,000m3 Dredged Fill

• 400m Capping Beam

• 40m Tie Rods

• 2 No Crane Barges

Poole Harbour South Quay

• Piling Gate - Design Strategy

– Ease of installation

– Ability to pitch I beams and infill sheets in a single set up

– Maintain gauge at all times

– Supported off previously driven piles

– Drive piles to finished level with without stripping the gate

– Maximum number of piles in a single gate set up v Weight of

gate

– Accommodate different hammer set ups

– Safe Access

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay Spud Pile Installation

Poole Harbour South Quay King Piles

Poole Harbour South Quay

Infill Sheet Piles

Poole Harbour South Quay

Corner Piles

Poole Harbour South Quay Gate Number King Piles Date Installed Date Removed Days Worked Hours Worked Notes

1 25-32 18/02/2017 28/02/2017 SSMTWTMT 84 25/02/2017 and 26/02/17

Temp Goal Posts set up

2 33-40 01/03/2017 06/03/2017 WTFSSM 62 05/03/17 Unable to pile

due to mix of

winds/breakdowns/Sunda

y working restrictions

3 41-48 07/03/2017 09/03/2017 TWT 33 07/03/17 Gate moved AM

4 49-56 13/03/2017 15/03/2017 MTW 25

5 57-64 15/03/2017 16/03/2017 WT 19

6 65-72 17/03/2017 20/03/2017 FSSM 40 17/03/17 Barge move, AM

20/03/17 Unable to work

AM due to high winds

7 73-80 21/03/2017 22/03/2017 TW 19 21/03/17 Unable to use

crane between 12:00 and

17:30

8 81-88 22/03/2017 28/03/2017 WTMT 40 27/03/2017 Shaun off sick

so no crane works

9 89-96 29/03/2017 30/03/2017 WT 22 29/03/17 Barge move AM

10 97-104 31/03/2017 01/04/2017 FS 20

11 105-112 02/04/2017 03/04/2017 SM 20

12 113-120 04/04/2017 05/04/2017 TW 22 04/04/17 Barge Move AM

13 121-123 06/04/2017 06/06/2017 T 10 06/04/17 1 hr AM setting

up temp pile for gate 14,

Spill drill PM, only 3 KP in

gate

14 126-133 08/04/2017 10/04/2017 WTSSM 24 07/04/17 Barge move and

reorganisation, Temp

Spud piles pitched on

05/04/17 and 06/04/17

along side setting up gate

13, Temp goal post beam

set up 07/04/17

15 134-141 10/04/2017 11/04/2017 MT 18 11/04/17 Watson

Hillhouse fitter on site

16 142-143 11/04/2017 12/04/2017 TW 11 Only 2 KP in gate

17 124-125 18/04/2017 20/04/2017 TWT 25

18 146-153 20/04/2017 23/04/2017 TFSS 26 20/04/17 goal post piles

set up, 21/04/17 Barge

move AM

19 154-161 23/04/2017 24/04/2017 SM 16

20 162-169

21 144-145 25/04/2017

22 170-175

Ave 28 hours/gate

Poole Harbour South Quay Marine Plant

Poole Harbour South Quay Marine Plant

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

• Dredging Works (3 Phase Operation)

1st Phase – Initial Dredge, remove peat/silt

and place 38,000m3 to create construction

bund

2nd Phase – 55,000m3 Fill to Tie Rod Level

3rd Phase – 17,000m3 Fill to Pavement level

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Poole Harbour South Quay

Anodes

Poole Harbour South Quay Remaining Works

• Capping Beam

• Tie Rods

• Vibro Compaction

• CP/Annode Install

• Pavement Works

• Fenders

• Quay Furniture

Poole Harbour South Quay