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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