HMA Construction Program HMA Construction Program

Module 4 – HMA Delivery Module 4 – HMA Delivery

Module 4 – ObjectivesModule 4 – Objectives

• State the objective of HMA delivery State the objective of HMA delivery

• Four production rates needing Four production rates needing coordinationcoordination

• Types and capacities of haul trucksTypes and capacities of haul trucks

• Dis/Advantages of each typeDis/Advantages of each type

• Proper loading of haul trucksProper loading of haul trucks

• Proper haul truck operating techniquesProper haul truck operating techniques

• Important areas of truck maintenanceImportant areas of truck maintenance

Balancing ProductionBalancing Production

TruckingTrucking CompactionCompaction

PavingPavingHMA HMA FacilityFacility

Extenuating CircumstancesExtenuating Circumstances

What kind of situations What kind of situations

have you experienced? have you experienced?

Scheduling Problem Scheduling Problem

How do you determine the How do you determine the

number of trucks needed tonumber of trucks needed to

balance production rates?balance production rates?

Incorrect

Correct

312

2 1

1

Not recommended for segregation prone mixesNot recommended for segregation prone mixes

5 42 13

Continuous drop while truck moves forward

StartFinish

Topping Off Topping Off

Overloading Overloading

Dealing with Dealing with Crusted MixCrusted Mix

Module 4 - Review ObjectivesModule 4 - Review Objectives

• State the objective of HMA delivery State the objective of HMA delivery

• Four production rates needing Four production rates needing coordinationcoordination

• Types and capacities of haul trucksTypes and capacities of haul trucks

• Dis/Advantages of each typeDis/Advantages of each type

• Proper loading of haul trucksProper loading of haul trucks

• Proper haul truck operating techniquesProper haul truck operating techniques

• Important areas of truck maintenanceImportant areas of truck maintenance