预防性保养计划 meaning in Chinese

preventive maintenance program

The department operates a preventive maintenance programme whereby the public drainage system is regularly inspected and desilted both before and during the rainy seasons . these preventive measures ensure that stormwater will be discharged effectively , and prevent blockages and overflows which may cause flooding and nuisance to the public
渠务署推行预防性保养计划，在雨季前及雨季期间定期检查、疏浚和维修公共雨水渠系统，确保雨水排放畅通，使市民免受水浸滋扰。