We do everything from meeting with the inspector to determine what needs to be fixed, to pulling the permit and completing the work with a final inspection. We make it easy for you. Q & A Q: Can you grind the sidewalk or does it need to be replaced? A: Generally if the offset in the concrete is over 1 inch we will need to remove the panel and ...
view moreDecorative Concrete Of New York - Grinding & Polishing Dust collection and control systems that permit clean work • Advances in diamond grinding materials that allow polishing to mirror levels of reflectivity • Variety of ...
view moreFeb 12, 2011· I may need to do some grinding on a concrete floor to take down a couple of high spots. I looked at a 4 1/2" Makita variable speed angle grinder and a diamond cup wheel for it. I have an old Ryobi angle grinder but wondering if variable speed would be good to control the grinding and the dust collection. The Makita has a bit more power too.
view moreNote: no permit is required for grinding, gap filling, and mudjacking work IF the sidewalk can remain open at all times while you are making the repairs. A permit to close the sidewalk as well as barricades are required for concrete removal/replacement and flagstone removal/replacement and re-leveling due to the nature of the work.
view moreJan 25, 2017· How Does Concrete Grinding Work? Grinding is the most conventional and effective way to prepare your concrete for finishes and stains. A concrete grinding contractor will have all the tools necessary, including a grinder with diamond grinding pads, floor buffer, dust shroud, and power washer. The process is very straightforward: after cleaning ...
view moreNeed to ensure the concrete surface is flat? Need to leave your concrete with a polished finish? Grinding concrete is the process used to remove high spots and imperfection on the concrete surface. The Diamond Tool Store Carries some of the most aggressive Cup wheels and Concrete grinding segments in the market.
view moreConcrete grinding is one method used to remove "stub toes" that are 1 inch high or less and perpendicular to the flow of pedestrian traffic. Verify with the posting Sidewalk Inspector to determine if grinding would be an acceptable repair method. ... A permit to work, in the City right-of-way, requires permit holders to erect freestanding ...
view moreMar 05, 2012· 12 Tips for Bidding Concrete Polishing Jobs ... you will have minimal edge work," Mackenzie says. "But if walls are in you will have to consider the extra edge work .
view more5 Things I Learned When Grinding Concrete for the First Time. ... This is not a helpful trait to have when grinding concrete, especially when you are removing glue that is tough to get off the floor. At the beginning of the job, I was taking my time and getting all the glue off in one pass. ... but it is tedious work.
view moreIf your sidewalk is constructed with concrete, DOT may make repairs or replacement with concrete. If you do the work privately, you must obtain a permit from the Landmarks Preservation Commission. For more information, dial 311 and request a Landmark Building Alteration Permit. Vaults. The City will not repair sidewalks over vaults or other ...
view moreMar 13, 2012· This video shows you how to use a concrete grinder. Grinders are suitable for removing paints, glues, membranes, screeds, epoxies and other floor coverings from concrete, terrazzo and natural stone.
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view moreC-8 - Concrete Contractor. California Code of Regulations Title 16, Division 8, Article 3. Classifications. A concrete contractor forms, pours, places, finishes and installs specified mass, pavement, flat and other concrete work; and places and sets screeds for pavements or flatwork.
view moreMar 13, 2013· How to grind a Concrete Trip Hazard, Fix Raised Concrete, Repair Crack Grinding concrete repair how to video, lifted concrete repair. Category Howto & Style
view moreConcrete grinding produces silica dust. If the dust is breathed in over a period of time, it can lead to a disease called silicosis or scarring of the lungs. This was such a common problem for grinder operators in years past that one of its common names was 'grinder's asthma'.
view moreHowever, we have approx. 13 grinding machines outside of the designated area. The grinding machines are equipped with proper ventilation for the machine. So my question is: do the operators for the grinding machines need hot work permits? The designated area for hot work is too small to include the other grinders in it. Any help is great ...
view moreConcrete Grinding. Causes of Trip & Fall Hazards Tree Roots, natural shifting or settling of ground, or concrete replacement where previous level was not matched can be the cause of a raised sidewalk or concrete pathway.
view moreNov 19, 2018· Creating a permit to work. Due to the level of risk posed by hot work, preparing a permit to work is mandatory. According to BS 9999: "A hot work permit procedure, which may be part of an overarching safe system of work/permit to work procedure, should be followed before any hot work is allowed in or near a building.
view moreWork that could produce sparks such as grinding, concrete cutting or pile driving. 2.2 Identifying Hot Work Areas An initial survey and risk assessment shall be performed at all operational areas to identify: ... Hot Work Permits in the work location associated with the permit.
view moreWith grinding diameters of 5 inches or less, these tools can't replace walk-behind surface preparation machines for profiling large areas of concrete. But they work easily in tight areas where the larger units can't maneuver, such as in corners and close to walls.
view moreWhen flammable materials are not present, industrial processes such as grinding and drilling become cold work processes. In some countries, such as the UK and Canada, a hot work permit is required for hot work. The purpose of a hot work permit is to effect "the employer's written authorization to perform hot working operations".
view moreApproximate the potential cost . You've probably seen different sources with different quotes on the costs of concrete grinding. For instance, one reliable source recently mentioned that you could have your concrete floor ground for as little as $2 per square foot which translates to about $21.5 per square metre.
view morePlanning to have some concrete work done around your property? Great. Will you need to pull a permit? It's complicated. Building permit requirements vary according to where you live, so it's essential to check out the laws that apply to your geographical location.
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