MTU Onsite Energy Projects. 1  Oceanic Time Warner Cable Hawaii - Oceanic Time Warner currently uses MTU Onsite energy for its backup power and power generation systems. Currently, Time Warner Cable has about 15 MTU Onsite Energy 50, 250, and 350 kW diesel gen-set and transfer switches for location on Oahu and the Big Island.
The concrete calculator is calibrated to exactly 23.60 kN/m3 unit weight per concrete volume. Which is, as Internationally defined, how heavy is normal reinforced concrete. In USCS units (United States Customary System units), its weight comes to ~150lb/ft3 and ~2,400 kg/m3 if measured in Metric SI system.
As far as I'm aware,8x8x16 blocks of cement or concrete, weigh at least 42 lbs. 6s and 4s are less of course. I know someone who broke a truck axle with these from miscalculation like that. Actually block are made by mixing sand and stone with cement and water and are a dry cast product.