This type of data from past projects is one of the main ways contractors estimate equipment productivity
What is Historical Data
This everyday consumable is used at 0.06–0.07 gallons per horsepower per hour for gas engines.
What is fuel?
This ownership cost spreads the purchase price of equipment over its useful life.
What is depreciation?
Diesel engines typically consume this many gallons per horsepower per hour.
What is 0.04–0.06 gallons?
This option provides flexibility and reduces the risk of owning unused equipment.
What is leasing?
This analysis breaks down how long each step of an equipment operation takes.
What is cycle‑time analysis?
These items include oil, grease, hydraulic fluid, and transmission fluid.
What is lubrication?
This cost represents the money tied up in owning equipment rather than investing it elsewhere.
What is interest?
This type of fluid keeps hydraulic systems functioning smoothly.
What is hydraulic fluid?
The main disadvantage of leasing is that it is usually this.
What is more expensive?
This determines the overall productivity of a crew.
What is the lowest‑producing piece of equipment?
These components must be replaced regularly to keep contaminants out of equipment systems.
What are filters?
These costs include property obligations and legal requirements for operating equipment.
What are taxes and licensing?
Labor for this task must be included when calculating lubrication and filter costs.
What is servicing the equipment?
This option is best for short‑term equipment needs.
What is renting?
This method evaluates how quickly work is being completed over time.
What is rate‑of‑progress analysis?
Tire repair typically costs this percentage of tire depreciation.
What is 15%?
This ownership cost protects equipment from loss, damage, or liability.
What is insurance?
These four fluids are commonly replaced during routine maintenance.
What are oil, grease, hydraulic fluid, and transmission fluid?
These small items like shovels, hoses, and wheelbarrows typically have a life of less than a year.
What are miscellaneous tools?
Productivity is often limited by this type of equipment in a multi‑machine operation.
What is the bottleneck equipment?
This fund is set aside to cover future overhauls, wear‑and‑tear repairs, and damage.
What are repair reserves?
This cost is incurred even when equipment is not being used and simply stored.
What is storage?
This cost category includes both the materials and labor needed to keep equipment running daily.
What are operating costs?
The cost of miscellaneous tools is often estimated by multiplying labor hours by this value.
What is the cost per labor hour?