In order to ensure the safety of blasting operation and put an end to blasting accidents, the following regulations are formulated: 1. Blasters must be trained and qualified before taking up their posts with certificates. 2. Before blasting, obstetrics should do a good job in blasting design and report to the competent leader for approval. 3. In the process of construction, site operators should strictly implement the design specifications. 4. Before blasting, the obstacles affecting blasting must be evacuated in time or safety protection measures must be taken. 5, blasting, blasting workers should strictly control the blasting quality, in strict accordance with the rules of construction. 6. The blasting network shall be connected by the blaster himself, and the connection quality of the blasting network shall be guaranteed. 7. After the initiation network is connected, other middle-level personnel in the underground must evacuate to the ground, and the blaster should carefully check whether there is any missing connection. 8, alert personnel should strictly implement the provisions of the technical operation procedures about alert, it is forbidden to personnel and equipment into the danger zone. The warning distance to personnel is as follows: deep hole loose blasting: 250 m; Shallow hole blasting 300 m; Bare blasting 400 m; Blasting water100m; Expanding blasting100m. After charging, the remaining explosives and detonating cord must be sent back to the underground explosive magazine in time. 10, before blasting, it is necessary to check whether the workers in the middle underground are evacuated to the ground. 1 1, personnel unrelated to blasting are prohibited from entering the blasting area, and offenders are hell to pay. 12. Smoking and naked flame are strictly prohibited in the blasting area, and offenders will be severely punished. 13, the blaster can only enter the blasting area to check whether there is any misfire after the safety is confirmed to be up to standard. If there is any blind shooting, those that can be dealt with in time should be dealt with immediately, and those that cannot be dealt with in time should be marked and reported to the leaders. 14, in the blasting danger zone, when the operator can't leave due to equipment repair or other reasons, the blaster shall not detonate, and shall designate a special person to guard it, and shall not detonate until the personnel or equipment are repaired and withdrawn. 15, when receiving explosives, it is forbidden to transport explosives and detonating cord in the same car. 16, the blaster should keep records of each blasting operation. F: Rules for the use of underground loading containers and cutting method of detonating cord: Rules for the use of underground loading containers: 1. The shell of the loading container shall be made of corrosion-resistant conductive material. 2, drug delivery tube must use semiconductor tube. 3. The loading container must be well grounded, and the grounding resistance of the whole favorite is not more than 65438+ million ohms. 4, drug delivery wind pressure shall not exceed the upper limit of the rated wind pressure. Cutting method of detonating cord: 1. Cut off the detonating cord with a sharp knife, and cut off 5cm at both ends of each detonating cord. 2. When cutting detonating cord, one end of each detonating cord should be vertical. Both ends of each detonating cord should be cut into vertical planes.
The above procedures for medium-long hole blasting are collected and sorted by Zhong Da Consulting Company.
For more information about project/service/procurement bidding, and to improve the winning rate, please click on the bottom of official website Customer Service for free consultation:/#/? source=bdzd