... /4.5-KRotary beam load, kN6009001700Setback load, kN300500900Height of drill floor, m34.54.5Clear height under RT beam, m2. ... 23.43.2SubstructureDZ225/7.5-KDZ315/9-SDZ450/10-SRotary beam load, kN225031504500Setback load, kN120016001600Height of drill floor, m7.5910. ... , Crown Block Assemblies, Substructures At PSL 1 2010/11/28 --- 2013/11/28 API American Petroleum Institute 7K-0221 Rotary Tables ...