17.6 The following planned ﬁgures for a trenching job are available:Quantity Resources(hours) CostExcavation—second Machines1000 $100,000Hauling Labor 5000 $100,000100,000 cubic yard Trucks 2000 $ 62,500At a particular time during the construction, the site manager realizes that the actual excavation will be in the range of 110,000 cubic yards. Based on the new quantity, he ﬁgures that he will have 30,000 cubic yards left.From the main ofﬁce, the following job information is available:Resources CostMachines 895 hours 85000Labor 6011 work hours 79000Trucks 1684 hours 50140What would concern you as manager of this job? 17.6 The following planned figures for a trenching job areavailable:QuantityResources (hours)CostExcavation-secondMachines 1000$100,000haulingLabor 5000$100,000100,000 cubic yardTrucks 2000$ 62,500JAt a particular time during the construction, the sitemanager realizes that the actual excavation will be in the rangeof 110,000 cubic yards. Based on the new quantity, he figuresthat he will have 30,000 cubic yards left.From the main office, the following job information isavailable:ResourcesCostMachines895 hours85000Labor6011 work hours79000Trucks1684 hours50140What would concern you as manager of this job?

For machine, Given: The actual hours AH is 895. The standard rate SR is 100. Calculation: The…

|At a particular time during the construction, the site manager realizes that the actual excavation will be in the range of 110,000 cubic yards. Based on the new quantity, he figures that he will have 30,000 cubic yards left. From the main office, the following job information is available:

|At a particular time during the construction, the site manager realizes that the actual excavation will be in the range of 110,000 cubic yards. Based on the new quantity, he figures that he will have 30,000 cubic yards left. From the main office, the following job information is available:

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter10: Pricing Excavation And Backfill

Section: Chapter Questions

Problem 4RQ

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Concept explainers

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.

Question

17.6 The following planned ﬁgures for a trenching job are available:

Quantity Resources(hours) Cost

Excavation—second Machines1000 $100,000

Hauling

Labor 5000 $100,000

100,000 cubic yard Trucks 2000 $ 62,500

At a particular time during the construction, the site manager realizes that the actual excavation will be in the range of 110,000 cubic yards. Based on the new quantity, he ﬁgures that he will have 30,000 cubic yards left.

From the main ofﬁce, the following job information is available:

Resources Cost

Machines 895 hours 85000

Labor 6011 work hours 79000

Trucks 1684 hours 50140

What would concern you as manager of this job?

17.6 The following planned figures for a trenching job are
available:
Quantity
Resources (hours)
Cost
Excavation-second
Machines 1000
$100,000
hauling
Labor 5000
$100,000
100,000 cubic yard
Trucks 2000
$ 62,500
JAt a particular time during the construction, the site
manager realizes that the actual excavation will be in the range
of 110,000 cubic yards. Based on the new quantity, he figures
that he will have 30,000 cubic yards left.
From the main office, the following job information is
available:
Resources
Cost
Machines
895 hours
85000
Labor
6011 work hours
79000
Trucks
1684 hours
50140
What would concern you as manager of this job?

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