Transcript Slide 1

Twin 40 Dockside Cranes and
Associated Terminal Operations
AAPA Facilities Engineering Seminar - 2007
Arun K. Bhimani, S.E.
President
Liftech Consultants Inc.
www.liftech.net
Robert Johansen, P.E.
Planning Director
DMJM HARRIS – AECOM
1 of 59
Presentation Outline
Twin 40 Dockside Cranes – Arun Bhimani
Terminal Operations – Bob Johansen
Summary
Comments – Q & A
2 of 59
Outline - Twin 40 Dockside Cranes
General Information
Head Blocks and Coupling
Head Block Stowage
Operational Issues
Design Considerations
3 of 59
General Information
4 of 59
Typical Dimensions
Rail Gauge
Outreach
Backreach
Lift Height
Overall Width
5 of 59
100 ft typical, some 115 ft
200 – 225 ft
50 – 75 ft
136 ft
88.5 ft
80 t Total
Metric Tons
6 of 59
80 t Total
30 t
30 t
30 t
30 t
Up to 40 t
30 t
30 t
Up to 40 t
Up to 60 t
Lift Capacity – Under Spreader
120 t Total
Speeds
Main Hoist
60 t Single Lift
40 t Single Lift
80 t Tandem Lift
fpm
Empty
Trolley
7 of 59
245 - 295 fpm
310 fpm
245 - 310
500 fpm
800 fpm
Crane Weights – Metric Tons
Single Hoist
61 t
Dead Load
Trolley
HB + Spreader
Total
1455 t
27 t
1500 t
DHT40
80 t
1860 t
50 t
18 t
1950 t
Rope Towed Trolley Crane in Typhoon Area
8 of 59
Increase
40 t
30%
Operating Wheel Loads – Seaside
Type
Service
Factored
(ASCE)
Single Hoist
DHT40
80 t
42 k/ft
60 k/ft
56 k/ft
81 k/ft
- Rope Towed Trolley Crane in Hurricane
Area - 8 Wheels per Corner
9 of 59
Increase
33.3%
37.5%
Single Hoist
Dual Hoist
10 of 59
Bromma
Single Hoist Twin 40
Advantages
Use with single hoist cranes
Multiple spreader suppliers
Disadvantages
Remove twin 20 spreader
Spread sheaves on trolley
Add twin 40 spreaders
Store on ground when
through
11 of 59
Source: Bromma Presentation
Dual Hoist Twin 40 (DHT40) - Shanghai
12 of 59
Number of DHT40 Cranes – ZPMC
Delivered
On Order
Capacity
PRC Other* Total
37
10
47
31
49
80
80 t
100 – 120 t
90%
10%
* Primarily Dubai, Singapore
13 of 59
DHT40 Machinery
WS Hoist
Two Main Hoists
One Extended Trolley
Complex Dual Head Blocks
Special Operator Controls
14 of 59
LS Hoist
Extended Trolley
Waterside
Sheaves
Two HB
Power
Cable
Reels
Landside
Sheaves
15 of 59
DHT 40 Head Blocks
16 of 59
Operator’s Controls
Left Console
Console
17 of 59
8 Foot Switches
Right
DHT Head Blocks
Landside
18 of 59
Waterside
Waterside Headblock
Separating Cylinder
Pitch Cylinder
Yaw Cylinder
19 of 59
Landside Headblock
Ball clamp extended
20 of 59
Ball clamp retracted
Headblock Relative Motion
Translation
Vertical offset
500 mm
Separation and Relative Skew
Control
21 of 59
DHT40 Challenges
22 of 59
DHT40 Challenges
23 of 59
DHT40 Challenges
24 of 59
DHT40 Challenges
25 of 59
DHT40 Challenges
26 of 59
DHT40 Challenges
27 of 59
Head Block Stowage
28 of 59
DHT40 – Headblock Stowage
For single hoist operation, unused
headblock and spreader “two blocked” to
trolley
29 of 59
DHT40 Challenges
30 of 59
DHT40 Challenges
31 of 59
DHT40 Challenges
32 of 59
DHT40 Challenges
33 of 59
DHT Operations
34 of 59
Ship Side
35 of 59
Landside
Ideal Ship Stow
36 of 59
Ideal Land Side Operations
Bomb carts in position
Extra bomb carts in line
behind
Evenly stacked deck
containers
Same height containers
37 of 59
Not an Ideal World
Efficient headblock uncoupling and re-coupling is required
38 of 59
Bomb cart landing
39 of 59
Simultaneous Entry
Entry
40 of 59
Staggered
Head Block Coupling
Spreaders
closecylinder
together
Hydraulic
andused
levelto
while
handling
accommodate
two containers
of the same
container geometry
and
size space
and working
within
the spreaders
cell guides
41 of 59
Spreaders spread apart
Spreaders
repositioned
and not
level while handling
while
handling
two containers of differing
two containers
of differing
size and spotting
containers
size
onto yard chassis
Productivity Potential
DHT40 is expected to be at least 50%
more productive than a single lift
crane.
Crane Type
Single-Lift
Dual-Hoist
FEU Potential
25 – 30
35 – 45
FEU – Forty-foot Equivalent Container
Moves per Hour; Single Cycle
42 of 59
Productivity Challenge
1.
2.
3.
4.
Efficient Head Block Coupling
Operator’s controls
Operator training
Terminal infrastructure
43 of 59
Design Considerations
44 of 59
Fatigue Design Criteria – Single
Hoist
Lift Capacity 61 t
Fatigue Load 38 t
45 of 59
Fatigue Design Criteria – DHT40
Lift Capacity
60 t – Landside
40 t – Seaside
Fatigue Load
38 t – 4 x 106 Cycles; Landside
or
50 t – 2 x106 Cycles; Total
46 of 59
Fatigue Spectrum
Single Cycles
Waterside
Double Cycles
47 of 59
Snag Load
Head block and empty
spreader traveling at
high speed striking the
cell guide
48 of 59
Summary – DHT Cranes
Predominantly 80 t Capacity
Landside 60 t, Seaside 40 t
Premium Over Single Hoist
Weight
30%
Wheel Loads
30% – 40%
Potential Productivity Increase50%
49 of 59
What is Next?
Triple 40
50 of 59
Triple 40
100 t Total
51 of 59
Triple 40
52 of 59
Terminal Operations
Circa 1960
53 of 59
Summary
Twin 40 Cranes are Here
Primarily Used for Trans-shipment Hubs
Twin 40 Content Average 20%
Increase over Single Hoist Crane
Weight – 30%
Wheel Loads – 35%
54 of 59
Summary
DHT40 Crane Design still Evolving
Productivity Potential 50%
Operator Training
Infrastructure Planning
Is the DHT40 Crane For
You?
55 of 59
Your Comments
56 of 59
Acknowledgements
Engineering and Operations Personnel
Hutchison Port Holdings
Yantian Int’l Container Terminals
Modern Terminals Limited
Dachan Bay Container Terminals
ZPMC
McKay International Engineers
57 of 59
Thank You
This presentation is
available for download
on our website:
www.liftech.net
58 of 59
Liftech Consultants Inc. file data:
N:\Papers & Presentations\!Working\2007_AAPA_T40/AB tandem.ppt
Copyright 2007 by Liftech Consultants Inc. All rights reserved.
This material may not be duplicated without the written consent of Liftech Consultants Inc., except in the form
of excerpts or quotations for the purposes of review.
The information included in this presentation may not be altered, copied, or used for any other project without
written authorization from Liftech Consultants Inc. Anyone making use of the information assumes all liability
arising from such use.
Quality Assurance Review:
Author: Arun Bhimani
Editor: Teresa Ferguson
Principal: Arun Bhimani
59 of 59