Concepts of Incident Command System for the Caribbean Region. A Manual for Participants

The Incident Command System (ICS) is a management tool for coordinating incidents or events that may exceed the daily capacity to respond. Most Caribbean countries have adopted the ICS as their standard for emergency response and operational deployment. It is critical to provide training for all first responders (i.e., law enforcement, fire, or emergency medical services personnel) who may be called upon to function in an ICS environment. The need for training extends to NGOs as well.

Testing of MTF replacement dynamic model for model example

The article is devoted to testing of economic and mathematical model for reequipment of machine-tractor fleet (MTF) of agricultural enterprise using the model example simulating real technological and economical processes used at the enterprise. Moreover, the daily capacity of machines, schedule of optimum agrotechnical terms for operations, etc. are given as basic examples of the technological process in the model example. Moreover, the algorithm for correction of optimum solving consisting of eight steps is given in the research. The value of the next controlled variable by its rounding to the integer value is recorded at each step of the algorithm.

Containment of future waves of COVID-19: simulating the impact of different policies and testing capacities for contact tracing, testing, and isolation

We used multi-agent simulations to estimate the testing capacity required to find and isolate a number of infections sufficient to break the chain of transmission of SARS-CoV-2. Depending on the mitigation policies in place, a daily capacity between 0.7 to 3.6 tests per thousand was required to contain the disease. However, if contact tracing and testing efficacy dropped below 60% (e.g. due to false negatives or reduced tracing capability), the number of infections kept growing exponentially, irrespective of any testing capacity. Under these conditions, the population’s geographical distribution and travel behaviour could inform sampling policies to aid a successful containment.

Justifying the parameters of dredging in various types of stopes and massive productive strata

Introduction. Due to a wide variety of placer dredging conditions, traditional methods of dredging parameters calculation do not always take into account all aspects of productive strata mining. It is first of all true for deep placers operation and mining with side cuts. Research aim is to improve the methods of calculating dredging parameters and the capacity of pilesupported bucket chain dredgers. Methodology. Existing methods of calculating dredging parameters and dredgers capacity do not take into account the applied mining method, stope type, and upper stope cave-in conditions. The indicated factors greatly influence the parameters of productive strata excavation and washery refuse disposal. Taking these ISSN 0536-1028 «Известия вузов. Горный журнал», № 3, 2020 13 factors into account makes it possible to forecast the indicators of the pile-support dredgers more accurately. Results. Investigation of some aspects of dredging trenches and side cuts has made it possible to establish the dependence of dredger maneuvering angle in pit face and capacity on cutting depth when mining massive productive strata; spoil dumps parameters dependence on the type of stoping; the interrelation between the daily capacity and the width of the front bank under various vertical distribution of rock. The indicated dependences allow to determine dredging parameters and indicators for particular conditions. Summary. The proposed approach, which calculates dredging parameters when using side cuts and when mining deep placers with non-uniform thickness of sands, makes it possible to calculate the chips size, buckets filling ratio and sand fragmentation ratio in a more substantiated way; it makes it possible to more effectively manage the process of sand mining, thus increasing the capacity of dredges.

Determination of the load in different operation in sewing model of woman shirt

Quality control is a set of steps or guidelines designed to guarantee that a product or service meets certain performance standards. Quality control in textiles is concerned with being certain a product meets performance standards and customer expectations. In this paper one model of woman shirt is observed. For this model a working plan was made and the time that is required to perform the operations of sewing the model was also defined. The total time for each operation, the daily production capacity, the daily capacity per worker and the tact of the group were also calculated. The percentage of load per operation was also defined. The observation in the term of choosing the right operation for the operators was also done.

Kajian pemanfaatan arang sekam padi aktif sebagai pengolah air limbah gasifikasi

The study of rice husk charcoal utilization as gasification waste water treatment Our laboratory works showed that activated char with a specific surface area of 145 m2/g and adsorption capacity of 1.35 mg/g could be prepared by activating rice husk char using 0.5 M of NaOH solution, at 92 oC (boiling point at atmospheric pressure) for 3 hours. Using this simple process, a cheap activated char could be produced, so that the cost of wastewater treatment might be reduced. Base on common rice mill capacity of 6 tonnes/day in north part of West Java, a production of activated char with a daily capacity of 480 kg might be expected. With assumptions of a plant life time of 8 years, an activated char price is IDR 5,000/kg, and an investment of IDR 545 millions, a production unit of activated char based on rice husk was found to be economically attractive with estimated Net Present Value of IDR 1.22 billions and Return on Investment of 27%. Keywords: Rice Husk, Activated Char, Wastewater, Phenol Adsorption, Economic Feasibility AbstrakAdsorpsi dengan arang aktif merupakan salah satu cara pengolahan air limbah yang mengandung senyawa-senyawa turunan fenol. Pemanfaatan sekam padi diharapkan dapat menghasilkan arang aktif yang murah, sehingga penggunaannya dapat mengurangi biaya operasi di dalam pengolahan air limbah industri. Prosedur pembuatan arang aktif sederhana telah dikembangkan di laboratorium, yaitu aktivasi arang sekam padi dengan larutan NaOH 0,5 M, pada titik didih atmosferik dan selama 3 jam. Arang aktif yang diperoleh memiliki luas permukaan spesifik 145 m2/g dan kapasitas adsorpsi fenol sekitar 1,35 mg/g dari air limbah gasifikasi yang mengandung fenol antara 39-44 mg/L. Laju adsorpsi fenol sesuai dengan persamaan pseudo-orde 1 Lagergren, sehingga diduga proses adsorpsi yang dominan dalam percobaan ini adalah adsorpsi fisik. Atas dasar hasil percobaan ini, sebuah unit usaha kecil/menengah diusulkan untuk dikembangkan bersamaan dengan unit penggilingan gabah yang banyak terdapat di pantai utara Jawa Barat. Unit produksi ini dirancang untuk menghasilkan arang aktif dengan kapasitas 480 kg/hari atas dasar kapasitas penggilingan gabah 30 ton/hari. Dengan asumsi umur pabrik 8 tahun, harga arang sekam aktif sebesar Rp 5.000/kg, investasi sebesar Rp 545 juta menghasilkan NPV sebesar Rp 1,22 miliar dan ROI sebesar 27%. Kata Kunci: Sekam Padi, Arang Aktif, Air Limbah, Adsorpsi Fenol, Kelayakan Ekonomi

THE CHOICE OF GRAIN CLEANING-AND-DRYING UNITS IN AREAS WITH HIGH GRAIN HUMIDITY

Grain cleaning-and-drying units for agricultural enterprises in the zones of Western Siberia with high grain humidity are substantiated. Such zones include part of the Northern forest-steppe lowlands, part of the forest-steppe foothills, taiga and subtaiga zones of lowlands and foothills. Grain cleaning-and-drying systems in these zones should provide the possibility of both single and double drying of grain. In order to achieve this, they are recommended to be equipped with two dryers or one dryer with two shafts with the possibility of parallel or sequential operation. Three sizes of systems have been identifi ed with the daily capacity of 100, 200 and 400 tons. Alternative versions of technological schemes of the units have been developed, technical and economic evaluation carried out and the boundary conditions of their application defi ned. It has been established that the choice of the unit will be mainly determined by the level of fi nancial or labor resources available. In the units with the capacity of 100 tons/day, the preferable way of grain handling is by the fl ow line method, which requires some additional capital investment. For the units with the capacity of 200 and 400 tons/day, the most effective option is grain processing and reserving it in the operating silo. The best technical and economic performance is achieved by units with a higher daily capacity.