Rock Excavation definition

Rock Excavation means the excavation of on-Site rock materials required by the Contract Documents that, in an unfrozen state, cannot be ripped into individual detached masses smaller than 1.5 m3 in size with a single tooth ripper mounted on a Caterpillar D8 or equivalent Group 10 Crawler Tractor as outlined in the Alberta Roadbuilders and Heavy Construction Association Equipment Rental Rates Guide or boulders larger than 1.5 m3 in size.

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Rock Excavation means excavation of all material, if not fractured and removable by mechanical excavator, with a sonic density of 2500.

Rock Excavation means removal of solid rock in place, or boulders and chunks of old concrete and stone masonry sized not less than one cubic yard which requires drilling and blasting to allow removal by conventional earthmoving equipment.

Examples of Rock Excavation in a sentence

Rock Excavation: Excavation of any hard natural substance which requires the use of explosives or special impact tools such as ▇▇▇▇ hammers, sledges, chisels or similar devices specifically designed for use in cutting or breaking rock, but exclusive of trench excavating machinery.
Where specific items for Rock Excavation are included in the Bill of Quantities, the Contractor shall not be entitled to be paid for excavation in rock unless, at the time the excavation is open and visible, the Contractor shall give notice in writing to the Engineer’s Representative that he claims to be paid for excavation in rock.
Unless specific items for Rock Excavation are included in the Bill of Quantities, earthwork will not be classified in accordance with the hardness of the excavated material and all excavation will be deemed to consist of Common Excavation, as defined hereafter, regardless of the actual hardness of the excavated material.
Installation is to conform to OPSS 412: Construction Specification for Forcemain Installation in Open Cut, OPSD 802.010: Flexible Pipe, Embedment and Backfill, Earth Excavation and OPSD 802.013: Flexible Pipe, Embedment and Backfill, Rock Excavation.
Rock Excavation shall mean any rock that cannot be removed with an 80,000 pound excavator after multiple good faith attempts as reasonably approved by the Town or Developer, necessitating such rock to be hammered, blasted or sawed in an attempt to construct the Improvements as designed including but not limited to keeping the width of the trench for deep utilities as close to four (4) feet wide as possible.
Trench excavation excludes all material defined as Rock Excavation and Unsuitable Soil.
Quantity Estimated Unit Price Estimated Total Amount 1 Clearing/ Grubbing m² 15000 $2.50 $37,500.00 2 Stripping m² 5000 $10.00 $50,000.00 3 Rock Excavation m³ 5500 $50.00 $275,000.00 4 Earth Excavation m³ 900 $53.00 $47,700.00 5 Granular B, Type II (300mm) tonne 9500 $15.00 $142,500.00 6 Granular A (150mm) tonne 5400 $16.00 $86,400.00 7 Asphalt (50mm) tonne 1000 $100.00 $100,000.00 Stormwater Management 8 600mm dia.
This Agreement is known as the SPECIALIST TUNNEL EXCAVATION GROUP (VIC) PTY LTD and the CFMEU (Victorian Construction and General Division) Subcontractors Specialist Rock Excavation Enterprise Agreement 2020-2023 (the Agreement).
The Contractor shall comply with all Requirements of Law regarding the use of explosives (including OPSS 515 – Construction Specification for Rock Excavation for Pipelines and Associated Structures in Open Cut (Latest Revision) for Rock Blasting Procedures, available upon request).
In the event Contractor believes Rock Excavation is necessary on any portion of the project, the Contractor shall provide the Town and Developer notice of such change and obtain approval from Town for Rock Excavation related to Town Improvements or Developer for Rock Excavation related to Developer Improvements.

More Definitions of Rock Excavation

Rock Excavation means excavation of a natural material that is so hard

Rock Excavation means the excavation and disposal of igneous, metamorphic or sedimentary rock that cannot be removed by rippers or other mechanical methods and, therefore, requires drilling and blasting. Excavation of rock or other materials that can be removed by rippers or other mechanical methods shall not constitute “Rock Excavation” or a “Reasonably Unforeseen Condition,” even if such rock or other materials are not shown on any soils report or other information available to Contractor.