Sunday 20 March 2022

Tips on hot work in hazardous area

Explore alternate method: Whenever possible, hot work should be avoided in hazardous industry or in chemical factory Analysis of hazard of hot work:
Analysis of hazard should be carried out before staring of hot job like welding, grinding, drilling etc. Identify potential of hazards, consequence and its control. Conduct surrounding test: Conduct gas test in the work area and its surround using a Calibrated gas detector prior to and during hot work activities, even in areas where a Flammable atmosphere is not anticipated. During entire welding job, monitor continuously in the vicinity of storage tanks and other containers. Stop another operation activity of chemical transfer or handling There is chance of leakage or flow of chemical during nearby operation and may lead flammable gas or liquid. Valid Permits Ensure that qualified personnel familiar with the specific site hazards is doing hot work and issue permits specifically identifying the work to be conducted and the required precautions. Provide training Short training should be arranged periodically covering the topic hot work policies/procedures, proper use and calibration of combustible gas detectors, safety equipment, and job specific hazards in a language understood by the welder/technician. Supervisor Supervisor should be motivated and deployed for contract workers. Supervisor should be sensitized about site-specific hazards including the presence of flammable materials Carry out tool box talk weekly or when new job starts. Convey to analyze and understand the situation and to prepare them to take preventive action before it could occur.

Saturday 5 March 2022

Measurement of Earth resistivity

Earth tester is used for the measurement of resistivity. As shown, instrument reads the resistance directly. The most frequently used earth tester is the four point method .The resistivity is calculated from equation as given below:
P=2πSR, where • P = Resistivity of soil in ohm-meter • S = Distance between successive electrodes in meter. • R = earth tester reading in ohms. The Four electrodes are driven into the earth along a straight line in a chosen direction at equal spacing (formula may not be successful on unequal spacing). The depth of electrodes in the ground is taken generally 6”.The earth tester is placed on even surface. The link between terminals P1 and C1 is opened and the four electrodes are connected to the instrument terminals. An approximate range on the instruments is then selected to obtain clear readings, avoiding the two ends of the scale as far as possible. Reading are taken and averaging is done using the formula.

to integrate renewable energy with conventional energy of European countries.

1. Name of the project: Conceptual plan to integrate all renewable energy with conventional energy of all European countries.
2. Background: Efficient, clean and green energy is the dream of world today. Of course, it is the same with European countries. Energy reliability and energy security is the vital amplitude of for the countries. The depletion of crude and coal which are the main conventional main source of the energy has worried the whole world. In 2019, the European Unions (EU-27) gross electricity production was nearly 2900 terawatt-hours. The biggest producer of energy was Germany, generating 607 terawatt-hours. The alternate source of energy is- 1. Solar thermal 2. Solar photovoltaic 3. Wind power 4. Hydro 5. Biomass 6. Geothermal The above energy may be used as green energy with minimal carbon emission. The continuity of power will be more important for country member. 3. European Grid Centre (EGC): European grid centre will be located at central place to coordinate among all countries. Expenditure not incurred by country member will be borne by EGC. Expenditure done in pool will be monitored in the ratio of MWH. 4. MIS: EGC will generate MIS (monthly information sheet) for all country members to view and take corrective action accordingly time to time. Software will be developed to view the data by members sitting remotely. 5. Administration: Bulk energy consumer may be head. From other members will be sub head and executive members. 6. Annual publication: EGC will publish annual data/magazine in which data of all country members will be published like energy generated carbon saved per MWH, cost of energy ETC. 7. Annual Summit Annual summit will be held every year. The country member will share their input like saved carbon emission, case study, failure and intuitive taken etc. A trophy will be provided to the country where carbon save is higher per MWH. 8. Centralized Energy Audit Energy manager and auditor will be required for audit of individual country member. Auditor will fine the gap analysis and recommend for corrective action and country member will comply them. Motivation drive should be run for energy conservation in the industry, manufacturing unit and other commercial places. 9. Challenge: There will be challenges in recycling after the useful life of equipments. we have to list out the sources of renewable energy , waste material component for recycle to make the environment clean and green. a) Waste management: Normally two types of waste metal and e-waste will be generated where recycling will b required. A cell under EGC will remain functioning to overcome this problem. b) E-waste: semi conductor wafer is the big challenge for the world. We have to research on it. LEAD produced is the major element that pollute water thereby danger produced for human and water animal. 10. Research: Our strategy should be to establish research and lab to keep track in the world how to cultivate green and efficient eco-environment energy. In the research lab, candidate should be nominated from all country members and selection should by interview. it should be on deputation basis for 3-4 years. 11. Transmission methodology A team under research will study the trend and latest development in the word. The team will formulate voltage profile, safe operation and maintenance. Topic should cover the distribution with low cost, high reliability and long life. 12. Tariff: Tariff should be decided if it is more than generation of the country member. the metering system should be installed at EDC working as Centralized Data Centre. 13. Energy storage: Energy storage should be also a part of research team. Energy storage methodology like aluminium air or lithium cell is some new development. We have to find more efficient and eco-environment green energy more durable with optimal cost. 14. International solar alliance (ISA) EDC may be the member of such energy oriented organization to track and make changes as and when required. 15. Import/export of energy Future requirement or surplus energy can be studied. ti-up can be explored to maintain power continuity. 16. Pollution control board: EDC may provide its observation to individual country PCB and PCB will make regulation as it finds convenient.

One Nation, One electrical License

Electrical contractors are facing license problem when they bid for another state. Generally they are entitled to do work in particular stat...