motorway construction, project execution plan
TRANSCRIPT
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David H Moloney
Nov 2016
Motorway Construction, Project Execution PlanDetails of how a Motorway is constructed, and how the progress, safety and quality will be monitored and controlled. Also the measures to ensure that the site is environmentally friendly.
Brief Description
The purpose of this presentation is to give an understanding of the Methods, Plant and Sequence to construct a Motorway.
This presentation can be used to engage Stakeholders and to get the Site Teams commitment to the programme. Also can be used for Induction Training and as a way to capture and share knowledge.
Project Execution Plan (PEP) details how aproject will be executed, monitored and controlled.
High in Educational Value and easily understood. Recommended for Continuing Professional Development (CPD)
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Contents
ⓒ David H Moloney
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EarthworksE
art
hw
ork
s
IncludesExcavations, filling, compaction, disposal and landscaping.
Cut through hills
Fill in low areas
Strip Vegetation &Topsoil
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Mass Haul DiagramE
art
hw
ork
s
The mass haul diagram shows the fill and excavation volumes plotted against chainage along a road. It is used to provide an indication of the haul distances and to ensure that haul distances are minimised.
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Outputs - Excavate & Load, Cart, Tip & Return
Brief Description
Cycle Time for 7km haulage distance using an Excavator 45 tonne weight and Dumper with a 40 tonne capacity, the cycle time is 34 minutes
Ea
rth
wo
rks
7 minutes
14 minutes
3 minutes
14 minutes 7 km
7 km
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Outputs for Excavate & Load, Cart, Tip & Return E
art
hw
ork
s
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Rock - Excavability
The excavability of rock depends mainly on the rock strength and the layer thickness. This diagram shows excavation methods for rock of various strengths and thicknesses, with a free face.
ⓒ David H Moloney
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Outputs for Rock breaking E
art
hw
ork
s
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Rock Cut E
art
hw
ork
s
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Trench - Safety Measures H
ealth,
Safe
ty &
Envir
onm
ent
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Existing Underground Utilities
ⓒ David H Moloney
Brief Description
Before digging establish the
location and route of
underground utilities.
Locator to find Utilities
Spray Paint to mark pavement
Health,
Safe
ty &
Envir
onm
ent
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Roads & PavingsR
oads &
Pavin
gs
IncludesSub-base, base and surfacing, kerbs, footpaths, traffic signs and markings.
Signs & Markings
Asphalt pavement
Median Barrier
Basecourse
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CABC ( Crushed aggregate base course )R
oa
ds
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CABC ( Crushed aggregate base course )E
art
hw
ork
s
Mixing Plant
Testing Compaction
Site Trial
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Crushed Aggregate Basecourse
ⓒ David H Moloney
Pa
vin
g
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Asphalt Paving
ⓒ David H Moloney
Pa
vin
g
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Asphalt Paving
ⓒ David H Moloney
Pa
vin
g
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Insitu Concrete Barrier
ⓒ David H Moloney
Pa
vin
g Slipform central median barrier, the moving formwork allow for the simultaneous extrusion and finishing of the concrete. Powerful vibrators compact the semi-dry concrete.
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Steel Traffic Safety Barrier
ⓒ David H Moloney
Pa
vin
g
The barriers are designed to keep vehicles within their roadway and prevent vehicles from colliding with dangerous obstacles such as bridges, buildings, walls or large storm drains.
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Pavement MarkingP
avin
g
Road surface markings are used on paved roadways to provide guidance and information to drivers and pedestrians. They can be used to delineate traffic lanes.
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Road Signs
ⓒ David H Moloney
Pa
vin
g
Road signs are signs erected at the side of or above roads to give instructions or provide information to road users.
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BridgesB
rid
ge
s
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Bridge Construction
ⓒ David H Moloney
Co
ncre
te
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Bridge Construction
ⓒ David H Moloney
Co
ncre
te
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Reinforced Wall Construction Sequence
ⓒ David H Moloney
Co
ncre
te
Brief Description
The sequence to construct a reinforced concrete wall is as
follows:
Tie the reinforcement.
Erect stop-ends and the wall shutters.
Pour and vibrate the concrete mix.
Remove the shutters after the concrete has hardened.
.
Cycle Time Pour per Day
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Reinforced Wall Construction Sequence
ⓒ David H Moloney
Co
ncre
te
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Concrete MixG
en
era
l It
em
s
A concrete mix contains 5 major
elements: cement, water, coarse
aggregates, fine aggregates (sand) and
air in different proportion. Additional
elements such as pozzolanic materials (fly
ash, silica fumes or slag) and chemical
admixtures can also be incorporated to
the mix to increase its properties.
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Vibrating Concrete
ⓒ David H Moloney
Co
ncre
te
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Culvert Construction
ⓒ David H Moloney
Co
ncre
te
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Piling Insitu Concrete
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Piling Construction - Vertical PilesP
ilin
g
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Piling Construction - Raking PilesP
ilin
g
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Su
rve
yin
g &
se
ttin
g O
ut
Survey & Setting Out
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Setting out & Surveying
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Setting out & Surveying
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Site Facilities & Temporary WorksS
ite
Fa
cili
tie
s &
te
mp
ora
ry W
ork
s
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Site Facilities S
ite
Fa
cili
tie
s &
te
mp
ora
ry W
ork
s
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Welfare Facilities
ⓒ David H Moloney
Ge
ne
ral It
em
s
Toilets – Washing
Canteen, Drying Room, Toilet & Generator
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Site Hoarding examples
ⓒ David H Moloney
Ge
ne
ral It
em
s
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Wheel Wash Drive-through
ⓒ David H Moloney
Ge
ne
ral It
em
s
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Temporary Electricity Supply & Tower Lights
Generators
Ge
ne
ral It
em
s
Used so construction work can continue effectively and safely in periods of insufficient natural light.
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Dewatering
ⓒ David H Moloney
Ge
ne
ral It
em
s
Brief Description
Construction dewatering is the removal or drainage of
groundwater and or surface / rain water usually by
pumping to keep the works dry.
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Concrete Batching Plant David H Moloney
ⓒ David H Moloney
Concrete batching plant comprises - concrete mixer, control cabin, silos for cement and fly ash, aggregate bins and conveyor belt system to feed the mixer. Also aggregate storage bays and water storage tanks. The mixing is computer controlled and has a dynamic screen display, showing the process. Material storage capacity to match two days concrete production
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Concrete Batching Plant Yard G
en
era
l It
em
s
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Quarry & Aggregate Production
3D image to show Sequence, Method & Plant.
ⓒ David H Moloney
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Quarry Operations
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Reinforcement Cutting & Bending Yard David H Moloney
ⓒ David H Moloney
Reinforcement in 12 m lengths. Delivery in 3 ton Bundles Reinforcement cut to length by Shearing Machine
Reinforcement Bent to Shape by Bending Machine Reinforcement that is cut and bent is Bundled for delivery to work site
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Asphalt Batching Plant
The plant is used for the manufacture of asphalt. Aggregates, sand and a filler (such as stone dust), in the correct proportions, are heated, and coated by mixing with a binder, bitumen based. The temperature of the finished asphalt mix must be sufficient to be workable after transport to the final destination.
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Health, Safety & EnvironmentalH
ea
lth
, sa
fety
& e
nvir
on
me
nta
l
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Emergency Phone Numbers & Response
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HSE Monitoring & Reporting - Dashboard Dashboard is a single page, graphical representation of
current HSE Issues and historical trends
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Safety Training Matrix M
isce
llan
eo
us
The purpose of safety training is to provide the knowledge necessary to
perform a job safely
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Personal Protective Equipment (PPE)H
ealth,
Safe
ty &
Envir
onm
ent
Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer from injury or infection
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Safety Precautions
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Site Safety Posters examples
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Environmentally Friendly Site Air, Noise, Water & Soil Pollution
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Hazardous Substances Symbols H
ealth,
Safe
ty &
Envir
onm
ent
COSHH stands for the Control of Substances Hazardous to Health
Shown are the new hazard symbols
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Water Pollution PreventionG
en
era
l It
em
s
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Segregation of Waste H
ealth,
Safe
ty &
Envir
onm
ent
Segregation of waste for proper disposal and recycling. Less waste goes to landfill and hazardous waste is treated to make it safe.
Colour Code for Skips & Bins
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Putting Waste Concrete to use
ⓒ David H Moloney
Health,
Safe
ty &
Envir
onm
ent
Precast bases for signs and hoarding, Precast blocks for walls.
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Quality AssuranceQ
ua
lity A
ssu
ran
ce
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Quality Assurance Dashboard Dashboard is a single page, graphical representation of
current statistics and historical trends
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Laboratory
ⓒ David H Moloney
Asp
ha
lt P
avin
g
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AdministrationA
dm
inis
tra
tion
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Organogram
Brief Description
Shown are the line and
lateral relationships
between the various team
members and their relative
position in the site
organisation.
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Staff Responsibility Matrix
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Staff Directory
Brief Description
List of staff and their
contact details
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Daily Work Record
Brief Description
Daily Work Records showing the
allocation of resources, materials and
work activities carried out daily.
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Quotations Comparison Sheet
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Filing System
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Programme & Progress MonitoringP
rog
ram
me
& P
rog
ress M
on
ito
rin
g
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Progress Monitoring & Reporting - Dashboard
ⓒ David H Moloney
Dashboard is a single page, graphical representation of current progress and historical trends
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Histogram Charts for Resources & Outputs
Manpower per Discipline Concrete per Location
Numbers for each month of the Project Quantity for each month of the Project
ⓒ David H Moloney
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Plant & Equipment List & Worker’s Job Titles
ⓒ David H Moloney
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Time Chainage Diagram
Brief Description
The chart has two axis: one for time and the other for location
A legend explains meaning of the colours, symbols and line types
Legend
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End