rock ecavation cost blasting versus hydraulic hammer per

Construction Specification 421 – Excavation

is defined as the excavation of all hard, compacted, or cemented materials that require blasting or the use of ripping and excavating equipment larger than defined for common excavation. The excavation and removal of isolated boulders or rock fragments larger than 1 cubic yard encountered in materials otherwise conforming to the definition of ...

Typical Contract Language in Specifications of a Public ...

Typical Contract Language in Specifications of a Public Works Construction Job . J. David ... If a unit price item for rock excavation is not provided in the bid form, the extra cost for excavation of rock shall be treated as a change order. G ... Fly rock from blasting shall be contained within the project site and shall not represent a hazard ...

DRAFT Production Rates - Federal Highway Administration

CFL PRODUCTION RATES Unit Rock excavated by ripping EA Underdrain PRODUCTION RATES - ENGLISH ... Rock excavation by hammer Rates from RS Means. Use on jobs with minor rock cuts or where blasting is not permitted ... Consider traffic volume. Under average conditions, assume 1 installation per day per crew. Reduce rates for sliver fills, deep ...

How Much Does Rock Excavation Cost? | HowMuchIsIt.org

Aug 09, 2018· How much does rock excavation cost? Depending on the type of rock, the size of the job, placement, contractor rates, the equipment being used, and geographical location, most rock excavation jobs will cost $5 to $35 per cubic yard if a blasting method is used, but this price could be much higher if it were a public bid job. Because all jobs will be so unique, highly consider a free quote ...

Ledge - Excavation & Site Work - Contractor Talk

Apr 13, 2012· If it is a public job you have to bid by the CY. Here I have seen it go from 80/cy to 3000/cy. it all depends what method you can use to remove the rock. We have a lot of places you can not blast and hammers wont even scratch the rock. As for hammering I get about 1200 for thr mini with a 900lb hammer and 2000 for excavator with 4000lb hammer.

Drilling and blasting - Wikipedia

Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation. It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction. The result of rock blasting is often known as a rock …

5. Rock Excavation Tools - The National Academies Press

Rock excavation tools disintegrate and remove the rock from boreholes and tunnels by four basic mechanisms: thermal spalling, fusion and vaporization, mechanical stresses, and chemical reactions, as shown in Figure 5.1. ''Novel" or "advanced" drilling tools utilize exotic systems such as lasers or ...

Drill, blast or break - rock quarries have a choice ...

Sandy materials at the site have been removed using a trailing suction dredger but for the rock excavation, excavation contractor Trani Scavi from Trani, near Bari, used two Indeco hydraulic breakers, an HP 5000 mounted on a 325D excavator and an HP 7000 mounted on a 330D, to remove some 40,000m in about four months.

Construction Attachments Excavator Hydraulic Breakers

A useful tool, a hydraulic breaker is a powerful percussion hammer fitted to an excavator for demolishing concrete structures or rocks. The hydraulic breaker is powered by a hydraulic feed from the excavator, and is also known as a Rock Breaker, Hydraulic Hammer, and a Hoe Ram.

Prepared for: MeMO 2016 - Reducing Mining Costs and Value ...

Input Unit Costs Generate Total Services Cost per Blast ton. Operating Cost -Basis ITH Supply Drill Costs Stope Size –24,000 tonnes Total Drill Footage –6500 metre Drill Tools (bits, steel, hammer, etc.) –(total per stope or foot) - $3.00/ft Equipment Cost –(based on $/hr) $4.00/ft ... Surface Rock Handling Hoisted waste rock tonnes ...

View topic - Rock excavation!!!! How much would it cost ...

Apr 30, 2018· Just like oils ain't oils not all rock excavation is rock even if rock comes out. There are standards for measurement of building works that define what is and isn't excavation in rock. Many new home owners and many on this forum have paid thousands for excavation in rock that is not a valid claim and other PS items that are invalid claims.

A Revolution in Rock Excavation - Interempresas

A Revolution in Rock Excavation ... where drilling and blasting with explosives is not permitted for safety or environmental reasons. ... The Xcentric® Ripper widely exceeds the hydraulic hammer ...

Frequently asked questions - Rock breaking and Rock excavation

The risk of fly rock and blast damage is a persistent problem in excavations and blasting in built up areas or near sensitive infrastructure. Royex offers a solution where the intended result of using explosives can be obtained without the risk of blast damage, fly rock and ground vibration.

Excavation in Construction from Construction Knowledge.net

Breaking of rock by a hydraulic hammer bit mounted on an excavator is used when the rock quantity is small or blasting is not feasible. If blasting is required for rock excavation, the Construction Supervisor should be assured that the work is performed by a licensed blaster and that the proper permits have been obtained.

Rate Analysis of Excavation in Earthwork -Calculate Cost ...

Rate analysis of excavation in earthwork is the measure of quantity of excavation to be carried out, the cost of equipment, machineries and labors required for the same. The cost of excavation depends on the depth of excavation, type of soil, method of excavation to be carried out and the distance ...

Rock Breaking, Cracking, Splitting and Excavating | Dexpan ...

Easy and cost effective rock breaking, cracking, splitting and excavating with Dexpan Non-Explosive Expansive Demolition Agent. ... Project R008: Rock Excavation using Chemical Demolition Agent (7 Photos) ... Project R016: Demolition Grout vs Hydraulic Hammer Breaker ...

hoe ramming rock excavation price per cubic meter ...

May 12, 2013· Construction & Contractors: Rock Excavating, rock excavation, rock … A large hoe-ram will often cost … contract that rock excavation would be charged at $1500 per day … hoe-ram will not, usually, have an hour-meter but … rock excavation cost blasting versus hydraulic hammer per …

Owning Hydraulic Breakers - Five Important Points ...

Sep 28, 2010· Most important is the hydraulic system on the loader or excavator because the system powers the breaker. Hydraulic breakers are demanding on compact loader and excavator hydraulic systems, which is why some manufacturers recommend that routine hydraulic system maintenance is cut in half when breakers are used on these carriers.

Cost of Blasting - Earthwork/grading engineering - Eng-Tips

Oct 15, 2003· Does anyone have a cost for blasting of hard rock in small quantities (say up to 1000m3) as oposed to rock breaking. I need some comparative costs only, so cost ... Besides blasting and using a hydraulic ram, there are also rock-drill/splitter methods and chemical methods that can, at times, be cost effective. ... To run a hammer it costs about ...

| Hydraulic Hammers for Skid Steers, Excavators ...

® hydraulic hammers make short work of your demolition, construction, quarry and production breaking needs. Hammers are high performance breakers, designed to help you get the most from your equipment.

Bulk Excavation - Methvin

Methvin is a leading provider of online applications for the construction industry and our evolution is rooted in our commitment to offer only the most functional, flexible and easy to use cloud-based estimating and tendering solution since 2002.

Hydraulic Hammers & Rock Breakers For Sale & For Rent ...

No one knows hydraulic hammers better then us. We maintain our own fleet of 12 excavators with hydraulic hammers on them. Our experience is unparalleled in the heavy construction / demolition equipment industry. We sell hydraulic hammers, and we rent them out. We have for you new and used hydraulic hammers.

IMPACT OF ROCK HARDNESS ON FRAGMENTATION BY …

the open pit have a more significant impact. The rock blocks extracted by blasting which are larger than the opening of the primary crusher are usually fragmented by hydraulic hammer. The paper presents the results of the testing of impact of rock hardness on fragmentation of rocks by means of hydraulic hammer

Difference between DTH(Down the Hole) Drilling and Top ...

Dec 15, 2017· Does the real job = breaking the rock. Produced by rock drill or hammer's impact energy and frequency. Typically between 1500 to 3600 hits per minute. Compared to pneumatic drills, hydraulic drills are capable of higher percussion power and faster penetration rates. Percussive drill rig is built around the hammer or rock drill

Surface Tophammers Rock Drills & Rock Drilling Machines ...

surface top hammer drill rigs are renowned for their exceptional reliability even in the toughest conditions. Between their excellent fuel economy and low operating costs, these diesel-powered, self-propelled drill rigs are designed not only to operate at low costs, but are fully equipped to provide your staff with the highest levels of comfort and safety.

Xcentric Ripper - Comparison with Hydraulic Breaker ...

Aug 22, 2012· At the same time one of their divisions are performing large rock excavation and trenching projects in the North of Spain. ... difficult projects much faster and much more cost efficient ...

TUNNELS: EXCAVATION WITH HYDRAULIC BREAKERS

FOCUS ON. A Guide to the methods and advantages of using hydraulic rock breakers to excavate tunnels Indeco is publishing the first issue in the "Focus On" series of guidebooks, designed to provide the industry with indications on how to use its excavation technology.