(1) Find out the distribution of surrounding underground facilities and pipelines in advance and make records; If new pipelines are found during excavation, they shall be reported in time; (2) When the depth exceeds, anti-falling measures and warning signs should be set at the edge, and monitoring personnel should be equipped; Signal lights should be set during construction at night; (3) Control the excavation slope of the trough section, and the special supporting operation shall conform to the design scheme to ensure the supporting effect; (4) Effective drainage measures should be set during foundation pit and roadway construction, and dewatering outside the pit should be adopted for deep foundation pit to prevent water accumulation; (5) After the rain, the soil quality and supporting conditions of the slope should be checked first, and the slope should be reinforced when necessary; (6) Clean up the periphery of the excavated pit, leaving enough redundancy to prevent the earth and stone from falling back and hurting people; Manual cleaning shall be carried out according to relevant regulations. blasting operation
(1) Before blasting operation, clear signs must be set up, warning areas should be delineated, and special personnel should be arranged to patrol to prevent pedestrians from passing; (2) Smoking and kindling are strictly prohibited within the operation scope; (3) Ensure that blasting operators hold relevant certificates and operate according to regulations; (4) The blasting operation process must be confirmed for the second time, and the safety zone shall be set up according to the regulations; (5) Strengthen the inspection of drilling and charging to ensure the correct position and reasonable dosage; (6) Determine the blasting network and initiation sequence, and conduct simulated explosion test first. mechanical equipment
(1) It is forbidden for heavy vehicles to pass and park near the pit 1m; (2) Fixed measures should be taken for suspended equipment parts to prevent falling from high altitude; (3) Earthwork construction should be at least 2m away from high-voltage lines; (4) The vehicles entering the site can only be used after passing the inspection, and they should be maintained regularly; (5) Set up construction signs and protective facilities, and regularly check and reinforce them by special personnel. Construction electricity consumption
(1) The neutral protection system must be adopted for the directly grounded power lines, and the metal shell of the electrical equipment must be connected with the special protection neutral line, and the electrical equipment must adopt the neutral protection; (2) The circuit switch box is equipped with a leakage protector, and the electrical equipment is equipped with a leakage protection device at the head end of the equipment load line, and each equipment implements the system of "one machine and one brake"; (3) Lamps and lanterns should be protected by fuses, and outdoor lighting should be protected by waterproofing; (4) The incoming and outgoing lines of the distribution box shall be protected by protective covers, doors and locks, and maintained and managed by special personnel to ensure that electricians hold relevant certificates; (5) The lighting voltage must be controlled below 36V in humid environment. stock control
(1) In order to eliminate fire hazards, it is necessary to set up obvious fire warning signs, strengthen fire prevention education, and designate the person responsible for fire prevention; (2) For inflammable and explosive articles (such as explosives, paints, oils, paints, isolators, etc.). ), should set up a special warehouse for storage, establish and improve the system of custody, storage, collection and recycling; (3) Ensure good ventilation. Forced ventilation is needed in bad conditions.
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