46. Duties of ventilation officer.–
(1) The ventilation officer shall-
(a) ensure the observance of all regulations and orders concerning ventilation, spontaneous heating, fire, gas and coal dust including dust suppression and shall advise the manager, if any alteration is required in the ventilation system to ensure adequacy of ventilation in compliance with these regulations or orders;
(b) advise the manager on day to day problems of ventilation, gas, coal dust, spontaneous heating and fire;
(c) maintain close liaison with the assistant managers and other officials, and assist them in their day-to-day ventilation problems;
(d) carry out ventilation surveys of the mine and undertake any other special work relating thereto as may be directed by the manager from time to time;
(e) take such steps as are necessary to ensure compliance with the ventilation standards required in terms of these regulations or otherwise;
(f) check the speed of main mechanical ventilator, amperage drawn by its electric motor, and fan drift water gauge at least once in a day and he shall investigate any unusual change in the water gauge and report to the manager;
(g) determine the efficiency of the main mechanical ventilator once at least in every three months and get the fan blades and the fan drift cleaned when necessary;
(h) ensure that copies of standing orders in the event of stoppage of the main mechanical ventilator are posted at conspicuous places at the mine, and also ensure that the persons concerned understand the instructions contained therein;
(i) ensure the correct siting and installation of auxiliary and booster fans belowground; (j) examine at frequent intervals all ventilation appliances like doors, brattices, air crossings, regulators, stoppings, booster and auxiliary fans, ventilation ductings and other devices of ventilation control in the mine and report any defect in the same to the manager;
(k) take necessary steps to stop any leakage through any of the devices and ensure that the ventilation appliances are maintained in good order;
(l) ensure that sufficient quantity of good air is coursed into all working places and reaches all workings belowground, and for this purpose, shall -
(i) see that the ventilation stoppings, brattices, etc., are constructed as per specifications and are kept extended sufficiently;
(ii)see that measurements of air quantity, temperature and humidity are regularly taken as specified and bring up-to-date the entries on the check boards provided at each air measurement station;
(iii) determine the Ventilation Efficiency Quotient (VEQ);
(iv) see that mine air samples are properly collected at the appointed time and place, and analysed within forty-eight hours of taking thereof; and
(v) make observations for inflammable and any other harmful gases;
(m) maintain separate tracing of the ventilation, rescue, stone dusting and the dust sampling plans and bring them up-to-date;
(n) bring to the notice of surveyor any changes in the ventilation system or ventilation appliances and shall ensure that all old markings on the ventilation and rescue plans are corrected and new ventilation circuits are shown forthwith;
(o) regularly check the barometer provided at the mine and report any unusual change in barometric pressure to the manager for appropriate actions;
(p) take care of the instruments and apparatus used in the mines for environmental monitoring and ensure that all such instruments are maintained in good order and calibrated at specified intervals;
(q) regularly visit returns of working districts and old workings including fire stoppings, if necessary, for symptoms of spontaneous heating and fire and report to the manager forthwith any such symptoms observed by him and shall himself take such steps as may be immediately necessary for the safety of the workers;
(r) check the fire fighting measures and take necessary steps by regular rehearsals to ensure that all fire fighting equipment's are maintained in working order and the concerned staff are fit and conversant with their duties in the event of a fire in the mine;
(s) take necessary steps for proper cleaning, treatment and suppression of coal dust in the mine and see that the arrangements for wet-cutting at the faces and water spraying at and within ninety meters of the working places are properly installed and function satisfactorily;
(t) ensure that the stone dust barriers are correctly sited, properly constructed and maintained in accordance with the statutory requirements or otherwise; and bring the entries on the check boards up-to-date from time to time;
(u) ensure that samples of mine roadway dust and of airborne dust (if required by the manager) are regularly taken in the specified manner;
(v) collect air samples from sealed off areas, exhaust gases from diesel vehicles and from such other places as may be required by the manager;
(w) ensure that all records and reports relating to ventilation, spontaneous heating, fire, gas and coal dust are kept up-to-date and entries are made regularly in the check boards for ventilation and stone dust barriers: Provided that nothing contained above shall exempt the manager, assistant manager, surveyor, overman, sirdar or any other competent person concerned, from any corresponding duties and responsibilities specified for them in these regulations or any orders made thereunder; and
(x) assist the manager in any matter relating to the ventilation of the mine.
(2) No duties other than those specified above shall be assigned to the ventilation officer except in an emergency.
(3) The ventilation officer shall maintain, in a bound paged book, a detailed record of the work performed by him every day.
Regulation no. 46
Q. underground mines me ventilation survery kon karega?
Ans-
Ventilation officer
Q. ventilation officer week me kitne din MMV ke speed evam water gauge ki janch karega?
Ans-
Pratidin kam se kam ek baar
Q. water gauge ke difference me koi changing hone per ventilation officer kisko report dega?
Ans-
Manager
Q. ventilation officer MMV ki efficiency kab-kab gyaat karega?
Ans-
Prataik 3 mahine me kam se kam 1 din
Q. ventilation officer MMV ke blade or fan drift ko kab-kab saaf karayega?
Ans-
Jab jaroori ho tab
Q. MMV ke band hone ke condition me banaya gaya standing order mines ke kis jagah per lagaaya jayega?
Ans-
Conspicuous places [sabse Jayda nazar padne wale jagaho par]
Q. underground mines ke praitaik AMS par lagaye gaye checkboard ko up to date rakhne ki jimmevari kiski hai?
Ans-
Ventilation officer
Q. mines me liye gaye air sample ko kitne din ke andar analysis kar liya jayega?
Ans-
· Condition 1: - within 48 hours (all gases) – as per regulation no. 46
· Condition 2: - parantu regulation 169 ke anusaar yadi kisi ventilation district me electric energy use kiya jata hai or uss air sample me kawal methane (CH4) ki partishat (percentage) determine karni ho to liye gaye air sample ko 3 dino ke andar analysis kara liya jayega.
Ans-
Manager or surveyor ko
Q. ventilation officer dwara kha-kha se air sample liya jayega ?
Ans-
· Sealed off area
· Diesel vehicle ke exhaust se
· Waise jagaho par jaha manage nirdesh de
Note : - iske alawa
· Old working me
· Main return me
· Working place se
· Goaf edge se
 | underground mines me ventilation survery kon karega? | ventilation officer week me kitne din MMV ke speed evam water gauge ki janch karega? | water gauge ke difference me koi changing hone per ventilation officer kisko report dega? | ventilation officer MMV ki efficiency kab-kab gyaat karega? | ventilation officer MMV ke blade or fan drift ko kab-kab saaf karayega? | MMV ke band hone ke condition me banaya gaya standing order mines ke kis jagah per lagaaya jayega?| underground mines ke praitaik AMS par lagaye gaye checkboard ko up to date rakhne ki jimmevari kiski hai?| mines me liye gaye air sample ko kitne din ke andar analysis kar liya jayega? | mines ke ventilation circuit / system me yadi koi changing kiya jata hai to ventilation officer kise inform karega ? | ventilation officer dwara kha-kha se air sample liya jayega ? ){kind=link}
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