Pit & Quarry articles from January 2000

Pit & Quarry archives from January 2000

Wire.
January 1, 2000... * The major features of MSHA's final noise standard include an action level of 85 dBA; a Permissible Exposure Limit consisting of an 8-hour, time-weighted average of 90 dBA; a maximum exposure ceiling of 115 dBA; and the establishment of the...

Red Flags.
January 1, 2000... * The American Conference of Governmental Industrial Hygienists has adopted a recommendation by its TLV Committee lowering the crystalline silica TLV to 0.05 mg/m3, and classifying crystalline silica as an A2 Carcinogen, Suspected Human...

We do it to ourselves.
January 1, 2000... Three pieces of carbon paper were a disappointing Christmas present for a young boy. They were given to him in a letter-sized box by a little old lady. The box was light and the contents made a mysterious soft rustling sound. When he got...

Employment roundup.
January 1, 2000... The following cases, while not directly about aggregates or mining companies, illustrate workplace legal challenges that you should all be aware of. - Ed. The U.S. Circuit Court of Appeals for the 10th Circuit recently applied the legal...

Northeast report.
January 1, 2000... Stone producers in the Northeast region of the United States are enjoying stable market conditions, absent the roller-coaster rides present during much of the 1990s. Production, however, appears to be slackening. The industry has largely filled...

Critical trends and topics for stone producers.(includes information on various corporate operations)(Brief Article)(Statistical Data Included)
January 1, 2000... * The U.S. Geological Survey reports that aggregates production barely registered an increase in the third quarter of the year. An estimated 450 million metric tons of crushed stone were shipped, an increase of 0.1 percent over the year...

Stock Watch.
January 1, 2000... (at press time) This Month Last Month Centex Construction Prod. 37 51/416 36 111/416 Florida Rock Industries 32 11/48 31 11/48 Hanson Plc 41 51/48 39 31/48 Lafarge Corp. 26 51/48 29 11/44 Martin...

Essential Econimics.(construction contracts for Sept.-Oct. 1999)(Brief Article)(Statistical Data Included)
January 1, 2000... Monthly Construction Contract Value Seasonally Adjusted Annual Rates, in Millions October 1999 September 1999 % Change Nonresidential Building $158,052 $154,964 2 Residential Building 174,877 184,179 -5...

Inside Information.(CIT Group's forecast on aggregates production)(Brief Article)
January 1, 2000... * Some industry analysts are questioning the recent economic forecast released by The CIT Group, which predicts a leveling off of aggregates production as early as next year. The gripe about the forecast is that it is too conservative and...

Millennium Materials: The Plant of the Future.
January 1, 2000... What will the aggregates industry of tomorrow look like? Will we mine the moon using undreamed-of new technologies - or will we just get better at the things we are already doing? As we leap into the next millennium, there is much media...

Mining in the 21st Century.(Brief Article)
January 1, 2000... According to the National Mining Association, in its report: "The Future Begins With Mining," in the 21st Century, mining will: * Be highly productive, with low production costs and significantly fewer work-related accidents and health...

Predictions & Projections: Rolling Stock.(mining industry forecasts)(Brief Article)
January 1, 2000... Tomorrow's machines are definitely going to be Electro-X. Electro-X means electro hydraulic, electro mechanical, electro pneumatic. Electronics will be used to control the hydraulics, used to control the mechanical items, and used to control...

Predictions & Projections: Blasting.(Brief Article)
January 1, 2000... Blasting technology will center around more engineering skills as new technologies evolve. We have been able to gather information, and we are just starting to use it to do our jobs properly. People will have to approach blasting as a...

Predictions & Projections: Crushing.(Brief Article)
January 1, 2000... Computers and on-the-fly adjustments will be the waves of the future. The mindset that computers just cannot hold up in the environment is being proven false, and manufacturers are beginning to accept that. Portability is also going to grow. We...

Looking Back.(mining forecasts from October 1966)(Brief Article)
January 1, 2000... In the October 1966 issue of Pit & Quarry, the editors made a few predictions about the future. Here is a sample: * There will be larger, but fewer, producing plants. This may obviate part of the problem concerning diminishing areas of...

Unit provides automatic particle size analysis.(Pavement Technology's Real-Time Quality Control Device)(Brief Article)
January 1, 2000... As tighter product specifications become more and more commonplace, producers need equipment to monitor and control product quality. The Real-Time Quality Control device (RTQC) for aggregate processing plants has been under development for...

High production at Fullen Dock in Memphis.(with use of a Komatsu America Intl. Co. hydraulic excavator)(Brief Article)
January 1, 2000... At one time, the Fullen Dock Co. on the Memphis banks of the Mississippi River used cranes to unload limestone onto conveyor belts. As demand increased, owner Jimmy Wood saw an opportunity to better production by utilizing the advanced...

Recording working time of heavy equipment.(TRW time recorder)(Brief Article)
January 1, 2000... Manufactured and used for many years in Australia, the Mechanical Time Recorder TRW measures the working and idle times of aggregate equipment. Now distributed in the United States by R&B Manufacturing Inc., Riverside, Mo., the TRW time...

Electric motors designed for aggregates industry.(by Toshiba International Corp.)(Brief Article)
January 1, 2000... Specifically designed and manufactured in Houston for the aggregates industry, Toshiba International Corp.'s Quarry Duty Electric Motors feature grade 25 cast iron frames and end bells, design "C" locked rotor and break down torque, bearing...

TECH EXTRA.
January 1, 2000... TECH EXTRA: QC means Quality Control * RTQC takes a product sample directly from the belt. * Conducts a particle size analysis. * Optional equipment allows for automatic adjustment of crushers or bins. TECH EXTRA: Saving...

Working with nonintervention.
January 1, 2000... Paul D.Q. Campbell is a technology columnist, author and mechanical designer. He can be reached via e-mail at: techpubs@ix.netcom.com My economics professor was always fond of saying, "Work smarter, not harder." The thrust of the comment...

To Articulate or Not to Articulate? A head-to-head comparison of articulated and rigid-frame haul trucks.
January 1, 2000... Choosing the right hauling system can mean the difference between making or losing money on a job. When choosing the proper truck, it boils down to productivity - which option is going to get the most done, in the shortest time, with lowest...

Spec Sheet: Rigid Frame Haul Trucks.
January 1, 2000... A comparison of key specifications. Make/Model GVW (lb.) Payload (lb.) Engine/Cylinders Power Speed Fuel Tank Caterpillar 777D 235,000 136,860 3412E/12 725 hp 41 mph 185 gal. Caterpillar 775D 235,000...

The Shape of Stone to Come - Superpave specs are strict, and aggregates producers must be able meet the requirements.
January 1, 2000... This is the first in a two-part series on using crushing technology to meet Superpave specs. - Ed. Superpave is the nationwide improved asphalt pavement system developed by the Strategic Highway Research Program (SHRP). SHRP was a...

Change is Good! Tough Products for a Tough Market.
January 1, 2000... BTI also manufacturers other types of equipment: DS Series Mine Scalers BTI's DS Series Mine Scalers are engineered to provide a thorough, economic method of mine scaling. They offer the flexibility to deal with virtually all scaling...

Equipment with a Reputation for Superior Productivity.
January 1, 2000... Super-Efficient, Reliable Breakers BTI proves a streamlined design can yield the best results. Its hydraulic breakers are constructed with only two internal moving parts. The result is fewer total parts and fewer problems. The patented...

People Who Have Earned Your Trust.
January 1, 2000... BTI has a worldwide network of experts knowledgeable in every facet of the company's markets: Frank Cargould, President Tom Witt, Director of Sales Bill Mitchell, Mining/OEM Sales Manager Don Frase, Service Bud Moore,...

Pro-Growth vs. Anti-Sprawl.
January 1, 2000... We have all heard of the emerging Anti-Growth and Urban Sprawl movement that seeks to derail construction and roadbuilding projects all over the country. Fighting this movement is a high priority as we kick off a new year and a new decade. ...

High-Tech Permitting - Using automated tools for permit preparation can save quarry operations time and money.
January 1, 2000... This is the first part of a two-part series on using technology to streamline the permitting process. This paper was prepared for, but never presented at, the National Stone Association's 1999 Environmental, Safety and Health Forum in Houston....

MSHA reaches out: Series of Part 46 skull sessions help operators comply.
January 1, 2000... I think it's an excellent training program. I was particularly impressed by the fact that there were a lot of questions generated by the presentation. I think that's an indication of the overall level of interest and the desire to do the proper...

Legal Briefs.(Brief Article)
January 1, 2000... Extending life of sand and gravel pits When the reserves of sand and gravel at any pit mine run out, the need to move out and move to a new location is not always immediately called for. The pit has a triple, profitable use that more and...

PRODUCER NEWS - Oglebay Norton to acquire Michigan Limestone Operations.(Brief Article)
January 1, 2000... Oglebay Norton Co. says it has reached an agreement to acquire Michigan Limestone Operations Limited Partnership (MLO). The transaction, which is subject to regulatory approvals and due diligence, is expected to close in April 2000. Terms were...

NSA names About Face quarries of the year winners.(Brief Article)
January 1, 2000... Vulcan Materials Co.'s Norcross (Ga.) Quarry, Rogers Group Inc.'s Sieboldt Quarry (Springville, Ind.) and Vulcan's Rabun Quarry (Rabun Gap, Ga.) are, respectively, the recipients of the National Stone Association's Large, Medium and Small...

Blue Circle expands Alabama plant.(Brief Article)
January 1, 2000... Blue Circle Cement plans to expand its Calera, Ala., cement- manufacturing plant with a state-of-the-art cement manufacturing operation. The $230 million investment will have an annual capacity of 1.4 million tons. Expansion of the facility is...

RMC U.S. subsidiary on acquisition trail.(Brief Article)
January 1, 2000... British aggregates and concrete producer RMC Group Plc says its U.S. subsidiary RMC Industries Corp. has made several acquisitions for a total 21 million pounds ($34 million). RMC Industries has bought Commercial Products Inc., which...

A Concrete Profit Center - There are a number of compelling reasons to add concrete recycling to your business plan.(Brief Article)
January 1, 2000... Recycling concrete, asphalt rubble and demolition debris can be a good sideline profit maker for a quarry operation and can offer other benefits as well. A compact, relatively inexpensive, road-portable recycling system (impactor crushing plant...

Doing double duty.(Brief Article)
January 1, 2000... Innovative Crushing & Recycling, Louisville, Ky., found that investing in a portable plant gave the company the ability to crush concrete rubble - and limestone as well. "We wanted a primary impactor plant for recycling," says Jim Bierman,...

Grease is the Word - A Connecticut producer reduces greasing frequency by switching to a severe-duty product.(Brief Article)
January 1, 2000... O&G Industries Inc., a quarry operation and construction company based in Torcington, Conn., wanted to save money in its heavy-equipment greasing operations. To accomplish this, the company switched to a new, all-purpose, heavy-duty equipment...

A lease on grease.(Brief Article)
January 1, 2000... Mobil Delvac Xtreme Service Grease is a NLGI (National Lubricating Grease Institute) Grade 2 product. Its conventional base oil has approximately twice the viscosity of other greases commonly used in construction and over-the-road trucking....

An O&G snapshot.(Brief Article)
January 1, 2000... O&G Industries Inc. is a quarry operator and sand and gravel producer, as well as a heavy/highway contracting company, industrial commercial builder and building-materials supplier. The company produces ready mix concrete, asphalt and masonry...

Mobil Oil Corp.(Brief Article)
January 1, 2000... Mobil's newly reformulated CM Series of greases, specially designed for the construction and mining industries, provide superior results by allowing equipment to stand up to the heaviest loads while staying put in even the dirtiest...

Simplicity Engineering.(Brief Article)
January 1, 2000... Simplicity Engineering's grizzly feeder is typically used in the feeding and scalping of run-of-quarry and run-of-mine material prior to crushing and conveying. The heavy-duty grizzly feeder is particularly strong in applications involving...

Baldor Electric Co.(Brief Article)
January 1, 2000... Baldor's crusher duty motor line is available in 100 through 300 hp, 1,780 or 1,180 rpm in NEMA frames of 405T through 449T. Features include high-torque designs, cast-iron construction, corrosion and moisture resistance, Class F tropicalized...

Kolberg-Pioneer.(Brief Article)
January 1, 2000... Kolberg-Pioneer offers two new models in its existing line of vertical- shaft impact crushing plants. The 1500 Ultra-Spec and the 4500 Ultra- Spec can produce cubical product at higher production rates and at an economical cost-per-ton....

W.S. Tyler.(Brief Article)
January 1, 2000... Ty-Max is a newly designed tensionable polyurethane screen section that has increased open areas. Wear life is not sacrificed - it has 10 to 30 times the wear life of wire mesh. Ty-Max screen sections allow quick changeover and no modifications...

Continental General Tire.(Brief Article)
January 1, 2000... Continental General Tire offers its series of off-highway haul-truck tires. The E-3 series are used for haul trucks and scrapers in mining and construction applications. The E-4 series has deeper tread patterns for good resistance to wear and...

Washing sieves.(Brief Article)
January 1, 2000... ATM Corp. offers a complete line of deep-frame washing sieves for hand washing of fine powder samples. The product line features heavyweight, seamless brass frames and stainless steel wire cloth. Washing sieves are available in 8-in. diameter...

Particulate filters.(Brief Article)
January 1, 2000... Nett Technologies Inc. offers diesel particulate filters for diesel equipment operating underground. Nett particulate filters have been designed for heavy-duty mining equipment such as LHD loaders and haul trucks, which are the largest...

Compact variable frequency drive.(Brief Article)
January 1, 2000... Weg Electric Motors Corp. offers a compact variable frequency drive, the Model CFW-08. It can handle motors up to 2 hp. The unit features four programmable isolated 12 V digital inputs, a programmable differential analog input of 0 to 10 V, 0...

Self-cleaning screen cloth.(Brief Article)
January 1, 2000... Major Wire Industries' Flex-Mat Series screen cloths combine long- lasting, abrasion-resistant polyurethane with individual, highly flexible oil-tempered carbon or stainless steel wire. This self- cleaning screen cloth has been proven in more...

Wheel/undercarriage wash system.(Brief Article)
January 1, 2000... Global Equipment Marketing Inc. offers Powerwash, an automated, water- efficient, self-cleaning, wheel-cleaning system designed to operate in a wide range of site situations on any vehicle type. Wash times last from 10 sec. to 3 min. and are...

On-board weighing systems.(Brief Article)
January 1, 2000... Scale-Tron Inc. offers a range of mobile, on-board weighing systems that can be retrofitted to any form of hydraulic loader. Sensors feed the cab-mounted display unit, which uses intelligent software for self- learning calibration, automatic...

Reference station software.(Brief Article)
January 1, 2000... Trimble offers its reference station software (TRS). TRS is designed for a broad range of global positioning system (GPS) applications including surveying, construction, mapping and geographical information system (GIS). The software provides...

Sieve shaker.(Brief Article)
January 1, 2000... CSC Scientific Co. Inc.'s Powermatic sieve shaker is designed to meet the needs of the road, aggregate and construction industries. The Powermatic sieve shaker is able to handle large amounts of sample and heavy weights with its two offset...

Protection gear.(Brief Article)
January 1, 2000... Gemtor Inc. offers free, a comprehensive 24-page color catalog of equipment for fall protection and confined space rescue. Featured products include full-body harnesses, energy absorbers, rope grabs, lifelines (including vertical, horizontal...

Motorized conveyor pulley manual.(Brief Article)
January 1, 2000... Sparks Belting Co.'s Technical Manual describes the company's Dura- Drive Plus line of motorized conveyor pulleys and shows how to incorporate these compact, powerful drives into existing and new belt- conveyor systems. The Dura-Drive Plus...

Operating techniques.(Equipment Training Resources' Operating Techniques for the Tractor Loader Backhoe text)(Brief Article)
January 1, 2000... Equipment Training Resources tractor-loader-backhoe training text, Operating Techniques for the Tractor Loader Backhoe, has been released in a revised edition. The revised edition is expanded to provide even more detailed information for...

Clean air fact book.(from United Air Specialists Inc.)(Brief Article)
January 1, 2000... United Air Specialists Inc., manufacturer of Smog-Hog air cleaning systems and Dust-Hog dust-collection systems, announces the availability of a free Clean Air Fact Book. The 20-page booklet is designed to provide resourceful information...

Trucks and tractors.(Sterling Truck Corp.'s Acterra medium truck line)(Brief Article)
January 1, 2000... Sterling Truck Corp.'s Acterra is a complete line of vehicles consisting of four models spanning from Class 5 medium-duties to mid- range Class 8. Production of the new line begins in April 2000, with additional Acterra features and...

Dump trailer.(Mertz Stone Master LT dump trailers)(Brief Article)
January 1, 2000... Mertz Inc. has expanded its patented trailer line of end dump trailers with the addition of the Stone Master LT. Stone Master's patented design is a semi-circular shell that takes the place of the conventional dump trailer box. Parabolic ribs...

Variable-speed drive.(from Roberts Electric)(Brief Article)(Product Announcement)
January 1, 2000... Roberts Electric offers a 20-hp variable-speed drive. By replacing your existing one-speed motor with this unit, you will be able to operate limited-speed machinery at any speed from 0 to 800 rpm in either direction, according to the company....

Urethane repair solution.(Devcon launches Flexane FC rubber repair liquid)(Brief Article)(Product Announcement)
January 1, 2000... Devcon offers Flexane FC rubber repair liquid and putty, a fast-curing urethane-based repair solution. It can be utilized to mend torn conveyor belts, belt splices, holes in rubber belting, as well as to fill expansion joints and control joints...

Automatic lubricator.(Brief Article)
January 1, 2000... Perma USA offers the Perma STAR Control, a machine-controlled electromagnetic automatic lubricator. Equipped with a transparent lubricant cartridge and temperature-independent reusable drive unit, the lubricator may be set for automatic...

Haulage dust-control system.(Brief Article)
January 1, 2000... Philippi-Hagenbuch Inc.'s sealed body system is designed to tackle handling requirements at operations where extremely fine material is hauled. Custom engineered, the unit offers an effective solution for reducing airborne dust and dust...

Online trend analysis.(Brief Article)
January 1, 2000... Rockwell Automation - Dodge/Reliance offers a solution for the on-line monitoring of bearings, gear reducers, motors, and other mechanical components. EZlink can help avoid sudden failures by checking temperature, vibration and speed. By...

Static mixers.(Brief Article)
January 1, 2000... ConProTec Inc. offers its MC line of static mixers for use in the construction industry. Used with large-cartridge dispensing systems, these economical, polypropylene mixers are available in a variety of sizes and will mix virtually any...

Nordberg acquires Helser Division of ANI Minerals Processing.(Brief Article)
January 1, 2000... Nordberg Group, the rock and mineral processing group of Metso Corp.'s Machinery business area, has acquired the assets and operations of the Helser Division of ANI Minerals Processing Inc., a crusher parts, refurbishment work and service...

John Deere enters new markets.(Brief Article)
January 1, 2000... At a special Dec. 1, 1999 press event held in Moline, Ill., John Deere introduced four articulated dump trucks (ADTs), two large excavators and an internet-based customer service program. Pit & Quarry was there as the company announced its...

Thurston Manufacturing enters side-dump market.(Brief Article)
January 1, 2000... Thurston Manufacturing Co., maker of agricultural equipment, has acquired Circle R. Inc., So. Sioux City, Neb. Circle R builds a side dump semi-trailer that is used in the construction and reclamation industries. It is produced with tandem and...

Caterpillar receives Prazen Award.(Brief Article)
January 1, 2000... The National Mining Hall of Fame selected Caterpillar to receive its 1999 Prazen Award for promoting greater public awareness o\f mining. Glen Barton, chairman and CEO, accepted the award for Caterpillar. "Caterpillar's on-going commitment...

People.(Brief Article)
January 1, 2000... FMI, management consultants to the construction industry, announced the following additions to its staff: Steven A Davis to the company's Tampa office; and Jim Short and John Laird to the Merger's & Acquisitions Group. m Hendrickson, a...

Manufacturer News Briefs.(Brief Article)
January 1, 2000... 8 Philippi-Hagenbuch Inc., Peoria, Ill., recently celebrated 30 years of excellence in off-highway truck attachment manufacturing. Since its formation on November 4, 1969, the company has developed and produced equipment for unique off-highway...

Rock N' Dirt program puts customers in driver's seat.
January 1, 2000... More than 150 customers from throughout North America attended the semi-annual Rock N' Dirt Program sponsored by Kenworth Truck Co. and Caterpillar Inc. The event, designed for construction companies and other vocational truck users, was held...

Western States News Bureau.(Brief Article)
January 1, 2000... P&Q has aggregates producers in the Western United States covered. Our Western States News Bureau in Denver is your local outlet for news, plant updates and story ideas. Contact Chad Dorn at 303-477-3370; or e- mail him at cdorn@bwn.net

Letters to the Editor.(Brief Article)
January 1, 2000... P&Q encourages feedback from our readers. If you liked or disliked something you read, or have a suggestion for future articles, write to: Letters to the Editor, Pit & Quarry, 7500 Old Oak Blvd.,Cleveland, OH 44130. You can also e-mail us at:...

We'll add a link to your Web site.(Brief Article)
January 1, 2000... P&Q would like to hear from any aggregate producer that has a Web site. We will add you to our extensive list of producers at Quarry World. If you do not currently have a Web site, we will create a basic one for you free-of-charge. For...

Request product information online.(Brief Article)
January 1, 2000... P&Q has added "LeadNet" to the list of online services available at its Web site. The service allows Pit & Quarry readers to instantly request information about products seen in the print edition. LeadNet is essentially an online version of the...

Did you know?(Brief Article)
January 1, 2000... P&Q can supply you with back issues of our magazine. If you would like to inquire about a specific issue, call customer service at 888-527- 7008. Mike Barber Energetic Solutions Philip R. Berger Jr. Geosonics Inc. Gene...

Member.(Brief Article)
January 1, 2000... * National Stone Association * National Aggregates Association * National Ready Mixed Concrete Association * Publications in Construction Association * National Asphalt Pavement Association * Construction Industry...

Join Forces.(Brief Article)
January 1, 2000... P&Q is proud to recognize these state associations for their affiliation with our Partnership for Information Exchange (P.I.E.) Program. * Arizona Rock Products Association * Colorado Rock Products Association * Construction...

Coming in February.
January 1, 2000... * Truck Scales * Screening * Loading/Excavating * Dust Control * Drilling/Blasting