Approved by the order of the Minister of Emergency Situations of the Republic of Kazakhstan of October 29, 2008 No. 189
Content
1. These Requirements of industrial safety extend to designing, construction, repair, conclusion from operation of tailings dams and shlamokhranilishch (further - the tailings dam) the mining and nonmetallic organizations in the territory of the Republic of Kazakhstan.
These Requirements do not extend to constructions of systems of sewage treatment, stores of industrial drains, transportation systems and stacking of the dehydrated tails.
1-1. For the purpose of ensuring accident-free and safe operation of GTS it is provided in projects: equipment of settlers and thickeners devices or mechanisms for their clearing, washing in the cases of zashlamovaniye excluding application of manual work and damage of designs; self-flowing pulpovod (trays) taking the condensed pulp from thickeners to the pulponasosny station have the biases excluding their zashlamovaniye and press fitting.
1-2. Tunnels in which pulpovoda are laid are equipped with ventilation, emergency lighting and have passes by m 0,8 width for service personnel.
1-3. For the tailings dam of the stores which are not providing acceptance of flood drain during all useful life constructions on its acceptance and branch out of store limits are provided.
1-4. Creation of network of the observation wells for control of level and composition of underground waters is provided in projects of the tailings dam of stores of waste and sewage.
2. Stacking of tails is made according to the project and, annually approved technical lead of the organization, the schedule (plan) of alluvium and filling of the tailings dam.
3. In the organization operating tailings dams and shlamokhranilishch regulations on production supervision, production schedules and the liquidation plan of accidents are developed.
4. For the projectible, under construction and operated storages effects of destruction of their protecting and water waste constructions, borders of zone of possible flooding of the territory, pollution of underground and surface water are determined.
Within zone of possible flooding construction of facilities, not connected with operation of the tailings dam is not allowed.
4-1. If in zone of possible flooding such objects are located, actions for their protection, or carrying out on the safe place are carried out.
5. Changes are brought in the technology scheme, hardware registration, systems of antiemergency protection of the tailings dam in the presence of the project documentation.
6. Commissioning of the tailings dam which construction is not complete according to the project is not allowed.
7. Operation of the tailings dam is allowed only in the presence of the operating devices of the alarm system, blocking provided by the project, protection against the overloads, the control instrumentation, instrumentations, means of communication and lighting which underwent complex approbation in the operational mode and the signed act of inspection.
Metal parts of instrumentations are protected from corrosion. Numbering of kontrolnoizmeritelny devices is applied on the protective caps or roofs of wells acting over the Earth's surface with indelible paint.
For maintenance in operating state piezometers are protected from contamination by the closed covers, and from damage - the metal or steel concrete pipes of bigger diameter driven in the earth.
8. To all objects of the tailings dam the entrance of vehicles and mechanisms is provided at all seasons of the year. Width and structure of the carriageway of roads are determined by the project. Access roads are marked up by route signs and contain in good repair. Schemes of access roads, movements of people and transport are hung out in the division servicing the tailings dam. Drivers of all vehicles involved at works on object study the traffic pattern.
Entrance of foreign motor transport on the territory of the tailings dam is not allowed.
9. Movement of people in the territory of the tailings dam is allowed only on the walking paths intended for this purpose, passes, ladders and platforms.
10. For each tailings dam the liquidation plan of accidents (further - PLA) and the passport of the tailings dam, according to Recommendations of content and procedure for creation of the passport of the tailings dam is constituted (appendix 1).
10-1. Each worker in case of detection of violations in technical condition and work of the constructions, defects of the equipment and protection devices constituting danger to people, the equipment or the environment reports person of control and takes measures for elimination of violations, according to production schedules, the liquidation plan of accidents.
11. Means of communication, technical and appliances for implementation of actions for rescuing of people and accident elimination in necessary quantity shall be operational and is in the provided liquidation plans of accidents places.
12. In case of change of engineering procedures, schemes of communications, replacement of the equipment before implementation of changes in production the corresponding amendments are introduced in the liquidation plan of accidents and production schedules.
13. For the purpose of ensuring readiness for actions for localization and mitigation of consequences of accidents on tailings dams the operating organization involves the professional militarized rescue services in scheduled maintenance on the prevention of accidents.
14. In case of production of construction and special construction works observe requirements of Construction Norms and Regulations 3.2.5 labor protection and safe engineering in construction.
15. Repair of constructions, networks and the equipment is made according to the schedules of scheduled preventive maintenance which are annually approved by the technical lead of the organization
Emergency and recovery repairs are carried out in the shortest possible time from the moment of emergence of accident, and the damages creating threat for life of people or to emergence of emergency situations - are eliminated immediately.
16. Buildings and constructions of tailings dams are provided with fire protection according to requirements of the existing fire safety regulations.
17. For ensuring operation of the tailings dam is available:
1) production schedules (appendix 3);
2) project and executive construction documentation (appendix 4);
3) materials of tool observations of constructions and geoengineering supervision;
4) executive acts of acceptance on laying of reference points, brands, piezometers;
5) reports on the engineering researches executed for creation of the project, working documentation and other purposes;
6) reports about scientifically - research works;
7) acceptance acts of constructions in operation;
8) passports and factory instructions for operation of the equipment;
9) declaration of safety of object;
10) passport of the tailings dam, technical data sheets of constructions;
11) materials on monitoring of safety of the tailings dam (appendix 5).
17-1. On GTS of the store safety monitoring is conducted.
17-2. Commissioning of GTS which construction is not complete according to the project and not accepted in accordance with the established procedure is not allowed.
17-3. Movement of people in the territory of the store is allowed only on the walking paths intended for this purpose, passes, ladders and platforms.
17-4. On alluvial stores, after the first five years of operation, and then at least through 10 m of building-up, within the project length of persistent prism, engineering geological examination, for the purpose of confirmation of conformity of physicomechanical characteristics of the tails (waste) washed in persistent prism to requirements of the project is conducted.
If the received values of characteristics are lower set in the project, receive the expert opinion on possibility of further operation of the store.
Check of stability of dams of bulk stores, extraordinary inspection of stability of dams of alluvial stores is carried out according to the decision of the commissions with participation of representatives of the organization which developed working documentation on construction (reconstruction) of object, and the organizations, executed the expert opinion on safety of GTS.
18. Prior to the beginning of every year the plan and the schedule of filling of the alluvial tailings dam, the schedule according to plan - precautionary repairs of constructions and the equipment affirms.
19. Irrespective of their type, it is necessary for safe operation of tailings dams:
1) to make stacking of tails, according to annually approved by the plan and the schedule, to observe the fillings accepted by the project the scheme, methods of release of pulp, technology of stacking of tails and intensity of alluvium. Unauthorized and unorganized stacking of tails is not allowed;
To support 2) in the tailings dam the water amount provided by the project, to keep daily account of amount of the water arriving and taken away from the tailings dam (especially in case of 100% water recirculation). Reduction of amount of water is lower minimum and increase in amount is higher maximum, set by the project, it is not allowed;
3) to exercise control of condition of constructions and not to allow exceeding of the criteria of safe operation of constructions set by the project;
4) timely to perform repair work and actions for elimination of the arisen violations in operating mode of hostokhranilishch and its constructions;
5) to carry out all nature protection actions and measures for prevention of dusting of tails provided by the project.
20. In case of input of the tailings dam in operation I will eat around the water which is saved up in it no more than an amount, the first start-up complex of production, sufficient for turnover water supply. Accumulating of excessive amount of water is allowed in case of reasons in the project.
21. In settling pond of the tailings dam, in the place, convenient for observation, the water-measuring lath from non-deformable material with centimetric division for observation of water level in the tailings dam is established. Zero lath become attached to basic reference point. The critical mark of water level in pond is applied on water-measuring lath. The lath is established irrespective of availability of devices of remote control of water level.
22. Exceeding of mark of crest of dam of bulk tailings dams or mark of the surface beach at riding slope of dam of ridging of alluvial tailings dams over water level corresponds to the project during all useful life and at least 1,5 of m is provided.
In some cases, proceeding from the sizes of pond, water amounts in it and specific service conditions of object, reduction of the specified values of excess of crest of dam over water level in pond is proved in the project.
23. Length of the surface beach during all useful life of the alluvial tailings dam corresponds set by the project for each tier of alluvium, proceeding from general and filtrational stability of local slope of dam. In case of absence in the project of controlled length of the surface beach, it is established within 20 - 50 m, depending on local conditions.
24. In case of release of pulp on the beach for modulation exception on crest and local slope of dam, exceeding of crest of primary dam and dams of ridging at riding slope over the beach it is provided in the amount of diameter of pulpovypusk, but m 0,5 suffices.
25. Dumping into the tailings dam, the sewage which is not provided by the project, warehousing of materials, accumulating of excessive amount of water in comparison with data in the project, is not allowed.
Dumping of water from the store in natural reservoirs without cleaning with neutralization is not allowed.
26. In case of operation of the tailings dam and in case of building-up of the protecting dams soil cut, the device of pits and ditches in the lower byef and on local slope of dam, in tailings dam bed within project mark of filling are not allowed. Development of soil on these sites is allowed in case of reasons in the project.
27. Opportunity and conditions of carrying out explosive works around arrangement of the tailings dam are established by the project.
Lump of explosives and separate steps of delay is determined by calculation, proceeding from permissible seismic loads for this tailings dam.
28. Circulation on the territories of the tailings dam of strangers, bathing in settling ponds, use of water from pond for the economic and drinking purposes and watering place of animals is not allowed.
29. In places of entrances and possible approaches to tailings dams posters are established: "Danger area. Pass and entrance is prohibited strangers!"
30. Entrances on berma and crest of dam of the tailings dam settles at least, than through 2 km on its length, at the same time on dam (dike) at least two entrances are arranged.
31. Use of crest and berm dams (dikes) for regular journey of motor transport and construction machines, except the cases provided by the project is not allowed.
32. The possibility of journey of vehicles and circulation of people is determined by the beach by production schedules.
33. The protecting dikes, dams, channels, drainages, tunnels and distribution pulpovoda have the signs noting popiketno length of constructions, places of their crossing with the communications hidden underground or under water (cables, conduits and to that similar).
34. Dams (dike) on which there pass pressure head pulpovoda have artificial lighting.
35. The watercrafts which are available on the tailings dam have text with indication of load-carrying capacity, rescue means (lifebuoys or spheres, hempen rope) and scoops for water taking out.
Works on water are performed according to the work permit.
36. During the winter period without preliminary approbation pass on ice of ostoyny pond, on insufficiently frozen surface deposits of tails is not allowed. Pass on ice less than 10 cm thick is not allowed.
Before work or crossing measurements of thickness of ice are performed. The distance between the next holes in the planned alignments is accepted within 10 m Promerochny holes on places are designated by milestones.
37. Movement of personnel and the organization of crossings for ice of the tailings dam is allowed at thickness of ice specified in table 1.
Table 1
+-------------------------------+-------+----------------+-----------+ | Объект |Масса, |Толщина ледяного|Минимальное| | | тонн |покрова (см),|расстояние | | | |безопасная при|между тран-| |
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The document is cancelled since December 4, 2015 according to Item 1 of the Order of the Minister of Internal Affairs of the Republic of Kazakhstan of December 4, 2015 No. 993