Most road tasks have a choice of technology
E.G.
CONSTRUCTION OF NEW ROAD BASE LAYER FROM EXISTING BASE & BITUMINOUS SURFACING
TECHNOLOGY OPTIONS FOR EACH OPERATION: TRACTOR OPTIONS SHOWN EMBOLDENED & HIGHLIGHTED
1. BREAK UP
2. BREAK DOWN 3. APPLY BITUMEN 4. MIX EMULSION & 5.SHAPE MIXED 6. ROLL ROAD BASE
EXISTING
PAVEMENT
EMULSION
RECYCLED
MATERIAL TO FORM LAYER
PAVEMENT
MATERIAL TO
PAVEMENT
NEW ROAD BASE
ACCEPTABLE SIZE
MATERIALS
LAYER
Labour with picks,
mattocks,
sledgehammers,
crowbars, shovels
Labour with
Labour using fixed
sledgehammers, volume containers
stone hammers and per unit area
steel mesh
Wheeled tractor Labour with rakes
with heavy duty disc and shovels
harrow
Labour with twin
drum pedestrian
vibrating roller
Labour with
compressor and
breaker tools
Wheeled tractor
with ripper
attachment
Wheeled tractor Labour with one
with adapted towed barrel hand lance
roller
Wheeled tractor Wheeled tractor
with pulverising / with towed/
milling attachment attached bitumen
distributor
Wheeled tractor
with reciprocating
harrow
Wheeled tractor
with heavy towed
grader
Wheeled tractor
with heavy towed
grader
Motor grader
Wheeled tractor
with towed
deadweight roller
Wheeled tractor
with towed
vibrating roller
Wheeled tractor Self propelled
Truck mounted
with pulverising / pulverising /milling distributor
milling attachment equipment
Motor grader
Self propelled
deadweight roller
Tracked tractor with
ripper attachment
Self propelled
vibrating roller
Self propelled
milling attachment
Source: Agricultural Tractors in Road works by R C Petts
rob@intech-consult.demon.co.uk