Acceleration Claims on Engineering and Construction Projects

7/31/2015· Construction

Tower Cranes Warrant Closer Look

By: Thomas Barth

According to statistics, about 125,000 tower cranes are operating worldwide and, on average, are erected in 2 days on various jobsites to build skyscrapers. There are two types of cranes, tower and mobile, which can be purchased or rented depending on the company's scope of work. Mobile cranes are limited because they must be moved from location to location on the jobsite to maneuver materials. Tower cran es can be placed closer toge ther, have a radius of about 140 square meters, and can lift steel, concrete, and a va riable range of building material. Contractors can save 50 percent on the cost of material handling by using self-erecting tower cranes and onsite labor, saving thousands. Due to the flexibility of tower cranes, they are becoming more commercialized and are high in demand.

12/28/2019· Construction

As-Built But-For Schedule Delay Analysis

By: Long International

An As-Built But-For Schedule Delay Analysis (ABBF) is a retrospective CPM schedule delay analysis technique that determines the earliest date that the required mechanical completion activity, project completion activity, or various milestone activities could have been achieved but-for the owner-caused compensable delays that occurred during the project.

7/21/2015· Construction

Elder Abuse - It Isn't Always About Physical Abuse

By: Michael Panish

Having recently testified as the door hardware, lock and security expert witness on a very serious elder abuse case involving the rape of a 93 year old resident of a retirement home, I am intimately aware of the potential for physical violence and neglect aimed directly at senior citizens. The following is about a completely different kind of abuse involving our senior population.