Which of the following conditions are true for using plastic method of analysis as per IS 800?

• A. members shall not be hot-rolled or fabricated using hot-plates
• B. yield stress of steel should not be greater than 450MPa
• C. cross section should be unsymmetrical about its axis perpendicular to axis of plastic hinge rotation
• D. cross section of members not containing plastic hinges should be plastic and those members containing plastic hinges should be compact