As for the term “critical lift”, though there is no universally-accepted single definition or industry standard used for categorization, there are a number of items that are common to various agencies and rigging industry associations. In the crane and rigging industry, a critical lift is a rigging activity in which a comprehensive plan is necessary to minimize risk of crane failure or catastrophic loss. With over 75 years of experience in the demolition and dismantlement industry, we have performed numerous selective demolition projects. Baker & Son All Industrial Services provides industrial and commercial demolition services throughout the State of New Jersey (NJ) as well as nationwide, Puerto Rico and Canada. We are proficient in performing projects in any occupied or vacant environment, such as office buildings, pharmaceutical plants, laboratories, manufacturing facilities and hospitals. We take pride in our ability to perform selective and total interior demolition projects. Baker & Son is considered one of the top experts in the industrial dismantling industry. With over 80 years of experience in the demolition and dismantling industry, we have performed numerous successful and safe selective demolition projects. We approach each technical and standard selective demolition project with attention to safety, detail and schedule. Baker and Son provides selective demolition contractor services for both interior and exterior projects.
We are also a Minority and Women-Owned Business Enterprise (M/WBE). We take great pride in our exceptional safety record, expert trained employees and our fleet of specialized demolition heavy equipment. After multiple truckloads of fill material, the crane was set up for a safe and successful lift.R.
prior to the lift they were able to provide the appropriate professionals with enough information to determine there was a hazard and engineer a safe solution. However, because the client contacted Maverick Inspection Ltd. Had the crane lift proceeded on the assumption that there were no subsurface hazards, then a serious accident would likely have ensued. It appeared that some water leakage had caused a significant washout void in this area in the years since the concrete pad and the sewer catch basin had been installed, and in exactly the spot planned for one of the crane outriggers. The area surrounding the likely voiding showed significant water saturation signatures, and the abnormal signal was several meters across. The data from the area immediately surrounding the catch-basin showed significant indications of voiding. The unusual returns centered on an open-topped storm sewer catch-basin. The complete results of the inspection were therefore provided to the client’s qualified engineering staff months prior to the critical lift, allowing for ample time to alter lift-plans or correct deficiencies.ĭuring the inspection, Maverick noted some significantly unusual radar signal returns. A report was generated within one or two business days. workstation, using a combination of our experience and sophisticated computerized interpretation methods. The data was then re-interpreted on a Maverick Inspection Ltd. Enough data was gathered in a half-day to provide the safety-critical information required by the client. Specifically, attention would be paid to signatures in the data related to the existence of subsurface saturations, voids or other subsurface movements. The plant site called Maverick, who suggested the use of GPR to examine the area ahead of time. A ground failure could cause a serious accident which could result in major injuries or deaths along with millions of dollars in damage and hundreds or thousands of hours of unplanned downtime. Because of the weight and positioning of the lift it was imperative that key information be known regarding the underground stability prior to trusting the concrete pad to handle the weight. It had been years since the concrete pad had been installed. The critical lift was planned for the following shutdown, a few months ahead of time. In order to accommodate this expansion, a 65 tonne crane lift was planned to remove a vessel from an existing unit, and replace it with a newer technology. An industrial complex in the middle of Alberta’s industrial heartland was expanding.
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