Codes & Standards: Lighting

Lighting October 1, 2001

The Right Mix

The invention of the air-side economizer was a great boon to the HVAC industry as it made it possible to circulate large volumes of outdoor air when the conditions are favorable. The technology saved huge amounts of mechanical cooling energy, and money, in temperate climates and is a feature now required in most energy codes.

By Eugene DeJoannis, P.E., Technical Associate, VanZelm Heywood & Shadford, West Hartford, Conn.
Lighting October 1, 2001

Champs

We publish this issue with great sorrow. The gentlemen gracing our cover are some of New York's finest engineers, and indeed New York was the host of the "Law and Firm Management" roundtable that we feature in this issue. It was with great anticipation that we looked to unveil the story. Instead, it comes to light in the wake of one the darkest moments of our era—the murder of thous...

By Jim Crockett, Editor-in-Chief
Lighting September 1, 2001

BACnet 1 2 3

The ASHRAE-devised communications protocol is undergoing more specifier-friendly changes, but in the meantime GSA's guide is a useful tool in specifying systems using BACnet

By Eugene DeJoannis, P.E., Technical Associate, van Zelm Heywood & Shadford, West Hartford, Conn.
Lighting September 1, 2001

New products & literature – 2001-09-01

Plate-and-frame heat exchangers provide more efficient and cost-effective heat transfer than shell-and-tube and other traditional types of heat exchangers. With three times higher "U" values, the equipment's turbulent-flow design results in lower fouling. (Superchanger by Tranter PHE, Inc.)Circle 1Integrated life-safety platform offers emergency voice communication; a remote system annunc...

By Staff
Lighting June 25, 2001

LEDs and Laser Diodes Head for a Boom

The global market for light-emitting diodes, optocouplers, photodetectors and laser diodes is projected to dramatically increase from $1.97 billion in 1999, to $10.11 billion by 2006, according to the market research firm, Frost & Sullivan.

By Staff
Lighting June 18, 2001

Energy-Efficient Compressed-Air Energy-Storage System Under Development

An innovative new type of compressed-air energy-storage (CAES) system that offers greater energy-efficiencies is now under construction in Norton, Ohio.

By Staff
Lighting June 1, 2001

Web Hosts Call for Warp Speed

Internet hotels and Web-hosting centers are springing up in unusual places and are being built under nearly impossible schedules. The need for these facilities has been spurred by the explosion of Internet-service providers and e-commerce companies that require new facilities to maintain a competitive advantage.

By Peter Oliveri, P.E., Principal, Einhorn Yaffee Prescott Mission Critical Facilities Group, White Plains, N.Y.
Lighting June 1, 2001

New Products & Literature – 2001-06-01 – 2001-06-01

A roundup of new products from our June issue.

By Staff
Lighting June 1, 2001

AC or DC—or Both?

In the past, telecommunications and data-communication operations were distinctly different entities. Housed in separate departments within a firm, each had its own unique power needs—and its own way of meeting those needs. But with the development of computer networks and the Internet, telecom and datacom centers have converged.

By Staff
Lighting June 1, 2001

New products & literature – 2001-06-01

Luminaries for industrial, retail and public facilities feature die-cast aluminum electrical enclosures, a heat/shock-resistant glass optical chamber and a corrosion-resistant finish. These lamps can be used both indoors and outdoors and can reduce refractor uplight to approximately 15 percent for diffuse downlight.

By Staff