U.S. economic outlook--1999
The U.S. Economy will grow in 1999, not a lot, but it will grow. With low inflation, low unemployment, and a budget surplus, our economy will remain the envy of the world. The U.S. economy more subdued...
View ArticleVAV modular diffusers still working after 13 years
SHREVEPORT, LA.-Thirteen years ago, Arkla, a division of Houston Industries, was having trouble keeping things cool in its executive suites. One of the major utility and pipeline companies supplying...
View ArticleChemical company installs no-weld piping system
BOUND BROOK, N. J.-Union Carbide Corp., a worldwide chemicals and polymers company, recently updated the HVAC and utility water systems for its extensive corporate research and development complex in...
View ArticleCondensation-induced waterhammer
This is the type of waterhammer that kills operators.l It can easily be 100 times more powerful than conventional waterhammer driven by steam flow, yet few engineers and operators understand its cause...
View ArticleBACnet interface simplifies large DDC fume hood application
Phoenix Controls, Metasys Integration Right Mix For SC Johnson Professional The design team for the new home of S.C. Johnson Commercial Markets, Inc. in Sturtevant, Wis., was faced with a daunting...
View ArticleOPC raising the bar in factory, office interoperability
It's a long way from the mechanical equipment room to the boardroom in most buildings, but the distance is shrinking because of the efforts of several industry leaders in an independent, non-profit...
View ArticleFree markets, no free lunch
Deregulation of electricity means bargains for those willing to pay the price. As electricity moves toward the free market, energy managers have cause to remember: be careful what you wish for - you...
View ArticleDiamler-Benz' U.S. plant driven by excellence
In early 1993, Germanbased Daimler-Benz AG embarked on its Mercedes-Benz M-Class project as part of a globalization strategy. The enormous task included the development and production of a new vehicle,...
View ArticleManaging rooftop units with networked controls
HVAC/R engineers can now network rooftop units together to specify network-based variable air volume (VAV) systems serving multiple zones instead of constant volume air delivery While constant volume...
View ArticleHonolulu International Airport ties comfort control to arrivals, departures
Many people think of Hawaii as paradise on earth. Those in the airport business may feel the same way, but they also see it as a melting pot of airlines. Honolulu International Airport is open 24 hours...
View ArticleUnleashing the power of networks
The shifting economy pulls building control into era of integration BY JAY S. BAYNE, PH.D. If you still doubt the world's economy has changed fundamentally, you have only to look back upon Tuesday,...
View ArticleThe health of the industry
1999 will be a time of transition, uncertainty, and mixed messages. Buckle your seatbelts for a soft landing on soft markets. The U.S. economy The U.S. economy reacted to international economic crises...
View ArticleTips for a productive project Website
Project Websites seem to be the logical direction the accessibility of the Internet and massive global collaboration have taken us and our project teams. The introduction of the Web and its...
View ArticleHydronic radiant system heats headquarters
OAKVILLE, ONTARIO, CANADA-In 1996, Danish pump manufacturer Grundfos expanded its Canadian presence by moving out of its leased building to a new, more spacious Oakville, Ontario, headquarters. The...
View ArticleHVAC design for green buildings
A practical (and provocative) overview for HVAC designers, installers, and operators HPAC and other trade journals have provided increasing coverage on whole building design, sustainable design,...
View ArticleDual recovery
Oh, my aching back! This phrase has long been uttered by man. During World War II, it was at times associated with a "goldbricker," using it as a reason to go on sick call and avoid time from the...
View ArticleThe new ARI Standard 550/590-98 for Water Chilling Packages using the vapor...
The Air-Conditioning & Refrigeration Institute recently issued an updated, combined Standard that effects how chillers are rated and tested The newly published ARI Standard 550/590-98 combines two...
View ArticleGreen Chiller Case Study II: Queen Mary utilizes U.S. EPA award-winning chiller
LONG BEACH, CALIF.-Recent updates to the Hotel Queen Mary's air conditioning system are helping to ensure that the ship's guests are kept comfortable while providing the hotel owners with efficiency...
View ArticleGreen design is growing
Green design is growing; green buildings are being built here and there around the world. In Austin, Tex., green building codes for residential and commercial buildings have been in effect for years,...
View ArticleBoilers reduce fuel bills at military base
MADISON, WIS.-Spot an F16 fighter soaring over the peaceful farm land of central Wisconsin, and chances are it is based at the Truax Field Air National Guard facility in the state capitol of Madison....
View ArticleA guide to efficient laboratory ventilation
A discussion of laboratory ventilation design methodology and equipment It is fair to say that most people actively involved in the design or execution of laboratory ventilation systems-especially, the...
View ArticleOpen for discussion
Variable frequency drives Maybe the article Should Drives Be Specified in Division 15 or 16? in the October 1998 issue of HPAC should have been titled, Why VFDs Should Not Be Installed in Motor Control...
View ArticleCost-effective redundancy developed for brewery refrigeration controls
MEMPHIS, TENN.-A low-cost, highreliability automation system for brewery refrigeration equipment has been developed by the Coors Brewing plant in Memphis, Tenn. Centerpieces are two, small modular...
View ArticleGreen Chiller Case Study I: School's HVAC system serves as working model for...
ATLANTA, GA.-A sophisticated heating, ventilation, and air conditioning (HVAC) system that provides energy efficiency and state-of-the-art control is serving as part of a full-scale, working model of...
View ArticleCauses of action
Libel. Slander. State court. Federal court. RICO. Pro se representation. Res judicata. All of these elements were part of a cause of action brought by a mechanical contractor and its president against...
View ArticleEnvironmental systems lower maintenance costs
UPSTATE N.Y.-ince 1985, Frontier Cellular has provided innovative wireless products and services for customers and businesses across Upstate New York. These include traditional analog wireless service...
View ArticleIndustrial dehumidification: Water vapor load calculations and system...
Accurately calculating water vapor loads in industrial environments helps size and select systems with minimal operating costs The need to control the amount of water vapor in the air is felt in all...
View ArticleIntegrated commissioning avoids IAQ pitfalls through quality construction
Indoor air quality (IAQ) is one of the major concerns of the modern building owner. The increasing complexity of buildings coupled with the use of new building materials and the continued stress on the...
View ArticleA healthier smoker/non-smoker environment
COLUMBIA, Mo.-A recent study conducted by Georgia Tech Research Institute indicates that it is possible to accommodate smokers and non-smokers economically in a shared work place environment using...
View ArticleAvoiding IAQ litigation
I read with interest your November 1998 article, Avoiding Litigation Arising from IAQ Complaints, directed toward the health care institution as seen through the eyes and experience of attorney Janet...
View ArticleBetter communications enable the HVAC/R industry to grow
When I became publisher* tt of Heating/Piping/Air Conditioning in 1986, one of my first tasks was to find new ways to facilitate the flow of information to you, our readers. Events were quickly...
View ArticleRehabilitation facility undergoes HVAC rehab
Radiant-panel heating and cooling systems serving patient rooms are made new again. The refurbishing and re-use of many of the original panels save owner $200,000. The Rehabilitation Institute of...
View ArticleStrategies for design and documentation of large EMS projects
Retrofitting the U.S. Navy Public Works Center with a large-scale energy management system bred innovative time-saving techniques affecting all phases of the project. Large HVAC projects represent a...
View ArticleRIT & K.J.: A partnership in savings
ROCHESTER, N.YWhat did 50,704,402 KwH of electricity cost in fiscal years 1997-98? According to Lou Boyon, director of energy at Rochester Institute of Technology (RIT), about $4,883,722 for its...
View ArticleMuseum keeps artifacts cool with humidification system
HAMMONDSPORT, N.Y.-As a creature bound to Earth by gravity, man has always had a fascination with the ability to fly. The Glenn H. Curtiss museum is dedicated to preserving the history of flight with...
View ArticleHospital controls humidity with dehumidifiers
RENO, NEv.-Washoe Medical Center, located in Reno, was founded as a result of a smallpox outbreak over 125 years ago. Today, it's a wellknown facility for providing health care to the people of...
View ArticleVSDs used in Microsoft headquarters expansion
REDMOND, WASH.-The booming technology industry has led to incredible growth and a need for additional offices and research centers for many computer software manufacturers. The world's leading software...
View ArticleRental dehumidifiers improve chemical quality consistency
Rental dehumidifiers improve chemical quality consistency NATURAL BRIDGE STATION, VA.Recently, a leading chemical manufacturer upgraded one of its production processes by installing a dehumidification...
View ArticleTemperature conditioning of stored newsprint
A description of the heat transfer analysis used to help determine the temperature conditioning requirements for stored newsprint at a Midwest printing plant and the warehouse heating configuration...
View ArticleExpansion joints solve pipe-guiding dilemma for hotel
CHICAGO, ILL.-First there was a leak. And then, upon closer inspection, there was a bigger problem. The leak brought to light the fact that the 4-pipe riser system at the 10-year-old, 40-story Chicago...
View ArticleAn improved algorithm for humidity control
Dew point temperature as a control parameter is an inexpensive quality-improvement solution for space humidity control Using a dew point temperature instead of relative humidity for the control of...
View ArticleScope of a comprehensive business insurance policy
It is not unusual for a group of workers to meet after a day's toil and partake of a few libations in a neighborhood bar. Trouble may arise, however, if the "few" turn into "many" and the revelry...
View ArticleNew HVAC/R equipment: AHR exposition review
For those who missed this year's AHR Expo in Chicago, HPAC put together a synopsis of innovative products demonstrated at the show Thirty-five thousand visitors blew into the windy city to attend the...
View Article3D design reduces cost of boiler by 10 percent
WALNUT CREEK, CALIF.-Working in 3D allowed a large engineering group to prevent interferences between piping and steel in a new boiler design. This technology reduced construction costs by...
View ArticleSelecting through-penetration firestops
A review of the roles of building construction designers and contractors, selection concepts, and tips for easy and successful selection of through-penetration firestops Penetrations through rated fire...
View ArticleErratum
In the March 1999 issue of HPAC, the article, "Industrial Dehumidification: Water Vapor Load Calculations and System Descriptions," by William Acker, listed the incorrect number to contact the author....
View ArticleWhat's new in atrium smoke management?
Innovative design and technology solutions to atrium smoke management and potential changes to future NFPA guidelines All atrium smoke management approaches depend on the buoyancy of hot smoke. During...
View ArticleTroubleshooting five common problems with variable speed drives
A practical and useful guide to identifying and preventing VSD problems in the field The AC inverter, or variable speed drive (VSD), is an electronic device that converts fixed alternating current (AC)...
View ArticleEfficient laboratory ventilation
My comments on Jerry Koenigsberg's February 1999 article, A Guide to Efficient Laboratory Ventilation, are related to seal leakage and fan placement. The total energy wheel has a set of seals designed...
View ArticleClearing the air in China
I just got back from a oneweek trip to China where I toured the plant and system installations of a Chinese chiller manufacturer. Half of the trip was spent in Beijing, the other half in a much smaller...
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