The nine members of a building refer to the nine key positions of a construction enterprise, including project manager, safety officer, quality engineer, material engineer, mechanic, service engineer, budget engineer, standard engineer and surveyor. These positions play a vital role in construction engineering, so it is very necessary for people engaged in this industry to obtain corresponding qualification certificates.

The pass rate of the ninth floor officials' textual research varies with regions, training institutions and personal abilities. Generally speaking, because the examination contents of these certificates involve professional knowledge and practical experience, the pass rate is not high. Statistics show that the average pass rate of nine construction officials is around 30%. This means that for every 10 people who take the exam, about 3 people can pass it smoothly.

However, this does not mean that it is very difficult to obtain the certificates of nine members of the building. In fact, it is entirely possible for candidates to pass the exam as long as they have certain professional knowledge and practical experience and carefully prepare for the exam. In addition, choosing a qualified training institution for training will also help to improve the passing rate of the exam.

In a word, the pass rate of nine people in the building is not high, but it is not insurmountable. Candidates have a great chance of successfully obtaining these certificates as long as they make enough efforts and master professional knowledge and practical experience. These certificates are of great significance for improving personal professional quality and competitiveness and obtaining better development opportunities in the construction industry.