Productivity and Technology in Construction
Efforts are concentrated on the identification, quantification, and characterization of the technology change that has occurred in the highway sector of the U.S. construction industry...

Shadow Prices: An Evaluation Technique

Energy Conservation: Long-Overlooked Cheap Source of Energy
With a well-organized conservation program, the U.S. could slash present energy consumption 30% to 40% — while still maintaining present living standards. But, to date, the U.S. has failed...

Predicting Water Use Considering Conservation

Population, Resources and Environment: A Global Perspective
The interrelation of the major problems facing the world — population, food, energy, and raw materials — is examined. The magnitude of these problems vary widely from nation to nation....

Mineral Resource Depletion at the Turn of the Century
Declining U.S. production of petroleum and natural gas and greater reliance on foreign sources for various raw materials have revived the debate about mineral resource adequacy. Some view...

Optimal Bid Prices for Unit Price Contract
In this type of contract, the work is broken down by the owner into bid items with an estimated work quantity for each item. In preparing a bid, a contractor estimates the direct cost...

TSM: Tinkering Superficially at the Margin—
This paper summarizes the findings of a 2 yr. evaluation of the Transportation System Management (TSM) program of the U.S. Department of Transportation. The study assessed both the technical...

Old Roads Never Die, They are Just Recycled
The cost of repairing roads has increased as asphalt is dependent on the constantly growing price of petroleum. One answer to keeping down costs is asphalt recycling. This article takes...

Air Pollution Control — Progress at a Price

Public Utility Pricing and Pollution Control

Engineering Management Seminar—A Continuing Education Experience
The Illinois Section of ASCE has conducted on a local basis two continuing education seminars — both related to management. In this paper, the approach, organization, and observation regarding...

Expected Profit Selling Goods of Variable Quality
The expected profit of a supplier of goods (contractor) is analyzed for the general situation where renumeration is a function of the quality of the goods and this quality cannot be precisely...

Portfolio Theory: Applications in Construction
Portfolio theory and bid strategy models are used to select construction projects and determine bid prices. Probabilistic estimates of cost of existing projects are used to generate the...

Paying the Price for Construction Risk
The amount that a contractor charges an owner is the expected cost of performing the work plus a price for accepting the risk plus a markup. The prices that different contractors should...

Solid Waste Generation and Service Quality
Models to show at a planning level the expected change in the amount of solid waste collected due to a change in the quality of service provided are presented. Level of service indicators...

Variable Fuel Tax Models
Four variable fuel tax models are investigated with respect to Alabama Highway Department operations. The Fixed Percentage Fuel Tax Model establishes the state gasoline tax as a constant...

Sand and Gravel — Don't Take Them for Granted
One assumes the supply of sand and gravel is inexhaustible. In fact, at certain times and places it is not. At least not at today's relatively low prices. This is particularly...

Small Hydro-Electric Units — Where to Find Them
A consulting firm explored the possibility of small hydro-electric units. A table lists manufacturers contacted and their responses. In general, the number of suppliers for small hydro...

Precast Liners May Cut Tunnel Cost 25%
On the Bureau of Reclamation's Buckskin Mountain's Tunnel in Arizona, the low bid was for $58,000,000, about $21,000,000 less than the low bid for design using...

 

 

 

 

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