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Posts Tagged ‘Demolition’

Super Heavy Duty Demolition Grade skid steer loader grapple. Great for demolition, forestry, brush, scrap and recycling industries. Designed for larger machines and heavy jobs. Contact High Rock Skid Steer Attachments for more info.

Some science fiction writers envisioned a world overrun with robots by now. Well, that’s hardly the case, unless you’re talking about specialized areas of industry, including robots that have helped with the safety and overall effectiveness in demolition projects.

For more than three decades, robotic equipment increasingly has been used in demolition and construction projects around the globe. There has been no need for a man vs. machine contest of superiority. Nor has there been fear of a robot rampage as in the science fiction film, “I, Robot.” Rather, people and machines work together as humans operate remote controlled machines in cutting, breaking, crushing and other demolition tasks.

While the popular image of demolition is the implosion of buildings with explosives, this is hardly what happens in the vast majority of all demolition projects. The National Demolition Association reports implosions account for less than 1 percent of all demolition work.

Demolition mostly involves the step-by-step destruction of an entire building or partial structure in often hazardous conditions, whether the wrecking ball or robotic demolition equipment is used.

“Demolition practices today are not only quicker but safer and more cost-effective,” according to the National Demolition Association, which represents more than 1,000 U.S. and Canadian companies that offer standard demolition services as well as a full range of demolition-related services and products.

In 2008, BBC reporter Steven McKenzie explained how a small army of robots was deployed in the clean-up of a Scottish nuclear complex. He said “like WALL-E,” the star of the Pixar animated film set in a waste-covered Earth of the future, the machines in Scotland were tackling manmade waste.

“The real-life robots have been working in highly radioactive areas of Dounreay in Caithness in the Highlands,” he said.

A spokesperson for the project said: “Using remote tools such as the Brokk 180 can complete some physical decommissioning tasks more quickly than human workers, and without exposing them to the hazards. The Brokk was used in smashing down walls. For a person to do that they would have to wear an airline suit and a sledge hammer.”

Benefits of using robotic demolition machines include:

Remote Controlled: Safer to operate
Electric Power: No Fumes
Compact Size: Accessibility to tight spaces
Light weight: Easy on floors
Multiple tools: Always jobs for machines

In June of 2009, Construction News Portal reported R. Baker & Son All Industrial Services Inc., a specialized demolition contractor, completed an eight-phase, highly technical, demolition and environmental remediation project at Kings County Hospital located in Brooklyn, N.Y.

“Demolition crews utilized various hand tools to accomplish the demolition as well as specialized demolition equipment which included skid steers with demolition hammer and bucket attachments and Brokk 90 hydraulic breakers,” Construction News Portal said.

Find out more about Brokk robotic demolition equipment at www.brokkinc.com.

Universal Wrecking Corp., a premier demolition, scrap metal recycling and wrecking contractor that operates on a nationwide basis, recently completed the demolition of concrete aggregate plant in Hazelton, PA.  The property needed to be razed in order to make way for redevelopment.  The client selected Universal Wrecking Corp. (UWC) based upon their attention to safety, professionalism and ability to meet the project’s budget.

The main goal of the demolition project was to demolish the buildings and structures on the 20 acre site.  There were two (2) large buildings utilized for repair and storage which were constructed of steel and block.  There was also a large one story office building constructed of wood and block.

Prior to demolition activities, an environmental survey was conducted along with a review of the client’s existing documentation on Asbestos Containing Materials (ACM) and other possible hazardous materials. ACM had been abated by the client prior to their mobilization and no additional ACM was found. The other environmental concerns were oils and greases contained in the equipment and gearboxes.  These oils and greases were properly drained and containerized for offsite recycling at an approved facility.

UWC also needed to confirm that all the site utilities were deactivated.  Water, gas, sewer, electric, phone, cable, etc. were all confirmed to be cut, capped and de-energized.

As there were still several pieces of re-useable equipment remaining at the facility, UWC utilized their rigging and salvage crews to carefully remove the used equipment for resale. A 60 ton crane and manlift along with a skilled rigging crew were used to salvage the saleable equipment.

To perform the demolition services, UWC mobilized a large crew of trained employees and well as numerous pieces of demolition equipment from its expansive fleet.  Heavy equipment mobilized to the site included a Cat 330L Excavator with a hydraulic hammer attachment, a Cat 330 Excavator with LaBounty Grapple attachment, a Cat 350 Excavator with LaBounty MSD 100 Shear attachment, a Cat 345 Excavator with LaBounty 3000 Rotating shear, two (2) Bobcat 773 Skid Steers with demo grapple and hammer attachments and numerous site support vehicles.  The average crew size on the project was eight (8) employees which consisted of laborers, foremen, a site supervisor and site safety officer.

Scrap metal recycling was very important on the project as the proceeds were utilized to help offset the demolition costs.  In order to maximize the return on the scrap metals, UWC carefully sorted the metals into non ferrous and ferrous piles.  Once the materials were sorted, UWC then processed, cut and stripped the materials so that the materials were clean and prepared in order to obtain the highest scrap metal prices.  UWC also utilized one of their 70 foot long portable truck scales onsite to ensure proper weight verification on all trucks leaving the facility. In all, over 1200 tons of scrap metal were recycled from the demolition operation.

From start to finish, the work was completed in two (2) months without incident or injury.

www.demolition-and-bobcat-service-simi-valley.com Demolition and bobcat service Simi Valley uses Bob cat equipments in our daily operations. Bob cat services cover the leasing out of heavy equipment such as skid steer loaders, compact excavators, compact tractors, compact utility vehicles and other hydraulic equipment manufactured by the Bobcat Company. These types of equipment are used in demolition, excavation, grading and hauling services. www.demolition-and-bobcat-service-simi-valley.com We want to be the best Bobcat and Demolition Company in the area. For More info – 805-367-3202 Our mailing address 2470 Stearns St #216, Simi Valley, CA 93063 www.demolition-and-bobcat-service-simi-valley.com

Universal Wrecking Corp., a premier demolition, scrap metal recycling and wrecking contractor that operates on a nationwide basis, completed the demolition of a large facility in Virginia.

The goal of the demolition project was to demolish the buildings and structures on the site in a safe and controlled manner.  Special attention was given to environmental hazards which consisted of chemical contamination.  All demolition crews worked in Level C PPE during all phases of demolition.

Prior to demolition activities, an environmental survey was conducted along with a review of the client’s existing documentation on Asbestos Containing Materials (ACM) and other possible hazardous materials. ACM had been abated by the client prior to their mobilization and no additional ACM was found. The other environmental concerns were oils and greases contained in the equipment and gearboxes.  These oils and greases were properly drained and containerized for offsite recycling at an approved facility. As stated previously, previous use of the facility mandated that all works were in Level C PPE.

UWC also needed to confirm that all the site utilities were deactivated.  Water, gas, sewer, electric, phone, cable, etc. were all confirmed to be cut, capped and de-energized.
The demolition work was conducted in distinct phases. Phase I consisted of the preparation of the buildings which included gut out and cutting of beams. This work structurally weakened the building for the intended implosion of the building. Phase II consisted of the strategic placement of charges for the implosion of the building.  For Phase III, the implosion of building was completed in a safe and efficient manner.  The final phase included the cleanup of building steel and debris.

To perform the demolition successfully, UWC utilized the following heavy equipment:

• A Cat 330L Excavator with a hydraulic hammer attachment
• A Cat 330 Excavator with LaBounty Grapple attachment
• A Cat 350 Excavator with LaBounty MSD 100 Shear attachment
• A 110 hydraulic crane
• Bobcat 773 Skid Steer with demo grapple
• Bobcat 773 Skid Steer with hammer attachment
• Various support equipment

In addition, a total of eight (8) employees consisting of operators and laborers were utilized.

The project was completed in 1 month without incident or injury.

R. Baker & Son All Industrial Services, a specialized contractor providing total plant dismantlement, demolition and decommissioning services, recently completed an eight (8) phase, highly technical, demolition and environmental remediation project at Kings County Hospital located in Brooklyn, New York.

R. Baker & Son All Industrial Services, Inc. (R. Baker & Son) was contracted by the client to provide a complete turn-key package which consisted of the complete remove of asbestos containing materials, demolition of three (3) multi-story buildings (one 5-story 100,000 sf building and two 1-story 20,000 sf buildings), removal of all piping, conduit and other related services from underground utility tunnel, demolition of all concrete slabs and foundations, removal of one underground storage tank and one above ground storage tank and then restoration and backfilling of the area.

Prior to any work being performed several pre-demolition and abatement tasks needed to be completed. All utilities were disconnected from the buildings and temporary electric and water lines were installed to facilitate the work.  An OSHA engineering survey was completed, notifications were submitted and all permits were obtained. Universal wastes (mercury switches, ballasts, fluorescent light tubes, etc.) were collected, characterized, containerized and the shipped offsite for proper recycling.  Proper sidewalk bridges, barricades and fencing were installed to protect the surrounding public and structures.  Scaffolding was also installed around the entire 5 story building, including the penthouse. The scaffolding consisted of double plank wood members with 2 ply debris netting.

Demolition and abatement means and methods were carefully evaluated based on several technical factors.  Due to the close proximity of surrounding buildings (less than 40 feet) as well as public sidewalks, the building needed to be carefully taken down by hand demolition methods.  In addition, there was asbestos flashing that went thru the walls as well asbestos containing waterproofing on the spandrel beams.

In order to evaluate the safest and most efficient means to complete the project, R. Baker & Son utilized the services of a licensed Professional Engineering firm to perform several engineering analysis tasks.  The engineer evaluated the structural integrity of the building with respect to the proposed method of demolition as well as an evaluation of floor loading for various pieces of demolition equipment (skid steers and Brokk robotic demolition machines).  Utilizing the engineering report as well as input from R. Baker’s internal demolition and asbestos abatement experts, it was decided to perform the work in a phased approach starting from the top and working down.  This top down phased approach was also in compliance with NYC variances and ensured that the building was stable throughout the process and did not require any temporary bracing or shoring.

The phased approach to the work was closely coordinated and allowed abatement and demolition to be conducted simultaneously.  Working down from the roof, the demolition crews removed all loose items from the floors including desks, cabinets, partitions, etc.  Once a floor was completed, the abatement crew would then enter and perform abatement of all non friable asbestos containing materials (ACM).  The demolition crew would then come back to remove all sheetrock and drop ceiling so that the abatement personnel could come back in to properly abate the friable asbestos materials (mostly pipe insulation).   The wrecking personnel then came back to remove all remaining items and expose the building beams which had ACM waterproofing which then needed to be abated.  Finally, once all ACM was properly abated, the demolition work crews went back to the top of the building to manually demolish each floor.

Demolition crews utilized various hand tools to accomplish the demolition as well as specialized demolition equipment which included skid steers with demolition hammer and bucket attachments and Brokk 90 hydraulic breakers.  Material was removed from the building via elevator shaft and debris shoots on the outside of the building. 

As per NYC rules, Mechanical demolition commenced once the structure had been hand demolished to under two stories in height.  R. baker & Son utilized several large 100,000 + hydraulic excavators with demolition attachments (hammers, grapples, pulverizers) to demolish the remaining portions of the main building as well as the two smaller 1 story buildings.  Dozers, skid steers and front end loaders were also utilized to facilitate the demolition, sorting and loading efforts.

Once the building was demolished to grade, the slabs and foundations of the subfloor of the main building was also demolished.  Care had to be taken to not demolish the sidewalls as these concrete structures needed to remain to provide support for surrounding soils (nearby structures or sidewalks could have been undermined if the soils gave way).  Once the slab and foundation were removed, geotextile was then installed with a layer of pea gravel.  The remaining portion of the subfloor was backfilled and compacted with clean fill materials back to original grade.

The one UST and one AST were also demolished and removed from the site.  The tanks were properly drained and cleaned prior to excavation or removal.  The tanks were then cut up on site utilizing an excavator with shear attachment and then sent offsite for scrap metal recycling.

The project was completed in 12 months without incident or injury.

About R. Baker & Son All Industrial Services, Inc.

R. Baker & Son All Industrial Services is the premier specialized contractor for dismantlement, decommissioning and demolition in the United States, Canada and Puerto Rico.  The veteran owned company has been in business since 1935, has over 100 employees, an exemplary safety record (We have actively participated in 4 projects that received VPP OSHA safety awards) and is financially strong (bonding capabilities over $10 Million).  Capabilities include total plant and facility dismantlement, decommissioning, demolition, plant relocations and re-installations as well as heavy equipment rigging and machinery moving, millwright services and onsite concrete crushing.

Universal Wrecking Corp., a premier demolition, scrap metal recycling and wrecking contractor that operates on a nationwide basis, recently completed the last phase of a the demolition of a large manufacturing and warehousing facility in Pennsylvania.

After a major fire severely damaged a large section of this one million square foot facility, Universal Wrecking Corp. (UWC) was awarded the first phase of the project which was to perform emergency demolition services.  UWC was contracted to remove the collapsed bays of the building and clean up the fire damaged debris and steel members. This needed to be done in a controlled demolition manner in order to preserve structures and bays that were designated to be salvaged.

Prior to demolition activities, an environmental survey was conducted along with a review of the client’s existing documentation on Asbestos Containing Materials (ACM) and other possible hazardous materials. No ACM was found due in part to the age of the building construction. The other environmental concerns were minimal and addressed in a proper manner.

To perform the selective demolition services, UWC mobilized numerous pieces of demolition equipment from its expansive fleet.  Heavy equipment mobilized to the site included several Caterpillar excavators with demolition attachments (shears, grapples), skid steers with demolition bucket attachments, several manlifts and a crane.  A crew of ten experienced demolition employees including laborers, foremen, site supervisor and site safety officer were also mobilized.

UWC utilized surgical demolition techniques to cut away the damaged sections from sections the Client’s engineer deemed to be structurally sound. This was accomplished utilizing a coordinated effort between manual and machine demolition techniques.  Laborers on manlifts with torches first isolated the fire damaged sections from the structurally sound sections by torch cutting away beams and structural members to isolate the areas.  Once the areas were separated, excavators with shears and grapples were utilized to carefully remove the section of each bay.  The damaged sections and bays of the warehousing facility were systematically demolished in this manner until all fire damaged areas were demolished. 

Following this first phase work, the client’s engineer did further structural analysis on the remaining sections and bays of the building. The client determined that it would be more cost effective to demolish the remaining sections of the building and rebuild then try to repair and retrofit to get the facility back up to code.

The client contacted UWC to come back and demolish the remaining 700,000 square feet of standing facility.  Demolition was down to top of concrete slab.  UWC was able to offset a substantial amount of the cost of demolition with the value of the scrap metal salvage.  With their extensive business relationships in the scrap recycling industry, UWC was able to obtain top dollar for the scrap metals which helped the client with their demolition budget costs.  

UWC utilized the following equipment and skilled manpower for this demolition project:
• A Cat 330L Excavator with a hydraulic hammer attachment
• A Cat 330 Excavator with LaBounty Grapple attachment
• A Cat 350 Excavator with LaBounty MSD 100 Shear attachment
• A Cat 345 Excavator with LaBounty 3000 Rotating shear
• A 110 hydraulic crane
• Bobcat 773 Skid Steer with demo grapple
• Bobcat 773 Skid Steer with hammer attachment
• Various support equipment
• 8 employees consisting of operators and laborers

From start to finish, the work was completed in 4 months without incident or injury.

www.QuickSpadeS.com 877-224-4899 DEMOLITION BOBCAT SKID STEER LOADER FORK GRAPPLE ATTACHMENT FOR FARM OR CONSTRUCTION The Quick SpadeS

There are special contractors that provide demolition, excavation, grading, hauling and bob cat services for civil engineering and construction needs. It is best to hire such a contractor that provides comprehensive services to ensure that all your needs are covered in a convenient manner and at the lowest possible cost. Dealing with only one contractor for all these services will simplify the process and make things progress faster. Getting a package deal could also result in huge savings for you.

Bob cat services cover the leasing out of heavy equipment such as skid steer loaders, compact excavators, compact tractors, compact utility vehicles and other hydraulic equipment manufactured by the Bobcat Company. These types of equipment are used in demolition, excavation, grading and hauling services. Sometimes, similar equipment are called bob cat services even if they are not actually manufactured by the Bobcat Company.

Contractors that provide bob cat services are responsible for ensuring that all the safety demands of each particular piece of heavy equipment used are properly observed by its operators. All operators have to be properly trained and knowledgeable in the hazards and dangers posed by the equipment and how to ensure safety for all concerned.

Demolition services involve wrecking or tearing down structures. This is sometimes done to remove unsafe or unwanted structures, and usually to prepare for new construction. This includes the tearing down of multi-storey buildings and even just the removal of concrete foundations, footings and paving if these are all that remain of an old or condemned building. Special heavy equipment such as hammers, shears, and multiprocessors are necessary for the demolition of concrete structures reinforced with high strength steel and steel beams. Demolition may include something like swimming pool removal, although this may need excavation services, as well

Excavation services involve removing soil, rock or other materials that have to be dug from the ground using heavy equipment for earthmoving. This includes hydraulic compact excavators, cranes and backhoes. Tree removal, for example, necessitates excavation. Site excavation is often necessary as one of the first steps in the construction of buildings, roads, bridges, ditches, landscapes and other infrastructure. Excavating a site prepares it for grading and for the establishment of construction foundations. Unnecessary structures or materials are removed to make way for the new construction. There are also times when site excavation is done to check on the quality of materials under the ground in order to ensure that it is appropriate for the proposed construction. Site excavation varies in depth depending on what is to be built on the site.

Grading services involve levelling the ground for construction or civil engineering work such as setting a foundation for a building, road or railway, using heavy equipment such as graders, scrapers, vibratory compactors and bulldozers. Sometimes, grading may be sloped slightly. Grading may be needed for the construction of single homes and sprawling subdivisions alike, or commercial sites of one to hundreds of acres.

Hauling services involve debris removal from the site of demolition, excavation, grading or construction. Bob cat services are also need for hauling. At times, though, these materials could be reclaimed for use at the same site. For instance, a crusher may be used to process concrete debris and separate the steel from it. Only the steel will need to be hauled away since the crushed concrete could be used as landfill at the site. As a result, the client achieves savings from hauling costs and from costs of filling materials.

To centralize your demolition, excavation, grading, hauling and bob cat services for civil engineering and construction needs, hire a single contractor that can ably provide you with all these.

Demolition, excavation, grading and hauling contractors provide demolition, excavation, grading and hauling services for civil engineering and residential and commercial construction needs. They most often also provide bob cat services for use in these procedures.

Bob cat services refer to heavy equipment manufactured by the Bobcat Company that are leased by the contractor to clients. These include hydraulic equipment, compact excavators, compact tractors, skid steer loaders and compact utility vehicles for demolition, excavation, grading and hauling. The renting out of the same types of equipment manufactured by other companies are also often referred to as bob cat services.

When demolition, excavation, grading and hauling contractors offer bob cat services, they should ensure that their operators and all personnel involved are properly trained in all the safety requirements of each piece of equipment. They should be aware of the hazards and dangers posed to them and to others on site if any of these safety procedures are not observed to the letter.

Demolition service contractors wreck and tear down structures such as single storey or multiple storey buildings, concrete foundations and footings, concrete vaults and paving. It could even include swimming pool removal but this particular demolition will also need excavation. Demolition is done in order to remove existing structures that have already been condemned as unsafe or are no longer wanted. Usually, this is done because a new construction is about to begin in the same site. Since demolition will have to deal with steel beams and concrete structures that are often reinforced with high strength steel, special types of heavy equipment have to be used. These may include hammers, shears, and multiprocessors.

Excavation service contractors dig out and remove soil, rocks and other materials from the ground of a site with the use of heavy earthmoving equipment such as backhoes, cranes and hydraulic compact excavators. Excavation services can be used for tree removal, for instance. In fact, one of the preliminary steps in construction projects such as the building of edifices, roads, ditches, bridges, landscapes and other developments is site excavation. Excavating procedures prepare the site for grading, after which the foundations of the project can be installed. Through excavation, structures and materials embedded on site but no longer necessary are eliminated in order for new construction to begin. Sometimes, excavation has to be done to investigate the characteristics or quality of the materials underneath the soil and determine if this is suitable for the new construction. The depth of the excavation will depend on the type of construction project to be done on the site.

Grading service contractors level the ground in preparation for construction projects such as a single house, a subdivision, a commercial building, a mall or even an entire resort. Sometimes the grading may involve a slight slope as in the case of golf courses.

Hauling service contractors accomplish debris removal after demolition, excavation or grading services, or during construction. They also use bob cat services for hauling. A good hauling service contractor will also have the necessary equipment to process debris so that the parts that could be used for landfill onsite could be reclaimed, thereby saving on costs.

It is recommended that you hire demolition, excavation, grading and hauling contractors that provide bob cat services so that you do not have to coordinate with many different contractors for these different services. Remember that demolition, excavation, grading and hauling are often interrelated and even if you were only intending to get one service, you may find out midway that you will also need another or even more. Dealing with just one entity would be far simpler and much more convenient. It will make your project run faster and will also mean more savings since packaged deals are usually cheaper.