Ventilation plans must be maintained by all underground mines and show the mine's ventilation system, including air flow direction, ventilation controls, equipment, and infrastructure. The plan must be updated whenever changes are made and meet specific regulatory requirements to ensure accurate representation of the mine's ventilation. Maintaining an up-to-date ventilation plan is important for mine safety by documenting the ventilation infrastructure and design.

1. • Ventilation Plan

2. Ventilation plan
Q-What is ventilation plan and what is its
objectives-
Ventilation plans have to be maintained by all
belowground mines. Regulation 65(1)(d) of
Coal Mines Regulations 2017 stipulates that
the owners, Agents or Managers shall keep a
ventilation plan and section where necessary,
showing the system of ventilation in the mine ,
and in particular –

3. Ventilation plan…contd
(i) The general direction of air current
(ii) Every point where the quantity of air is
measured
(iii)Every air-crossing, ventilation door, stopping
and every other principal device for the
regulation of distribution of air.
(iv)Every fire-stopping and its serial number
(v) Every room used for storing inflammable
material

4. Ventilation plan…contd
(vi)The position of every fire fighting equipment
(vii)Every water-dam with dimensions and other
particulars of construction
(viii)Every pumping, telephone and ambulance
station
(ix)Every haulage and travelling roadway
(x) Every auxiliary and booster fan
(xi)Every stone dust barrier

5. Ventilation plan…contd
(xii) Surface contour lines drawn at vertical
intervals not exceeding five meters (or ten
meters in the case of a mine where there are
no working belowground or in cases of mines
situated in hilly terrain, such other interval as
the Regional Inspector may permit by an
order in writing and subject to such
conditions as he may specify) over the whole
area lying within 200m of any part of the
workings.

6. Ventilation plan…contd
Regulation 163 of CMR 2017 stipulates that
the manager shall ensure that as soon as any
alteration is made in the ventilation of a mine
involving erection or removal of an air-
crossing or stopping or alteration in the
position or installation of a ventilator or fan
belowground, the erection, removal,

7. Ventilation plan…contd
alteration or installation, as the case may be,
is notified to the surveyor who shall
forthwith make necessary alterations on the
ventilation plan maintained under
Regulation 65.
Regulation 64(2) stipulatesthat while preparing
the ventilation plan, the convention shown in
the schedule shall be used.

8. Ventilation plan…contd
Regulation 64(1) stipulates that the ventilation
plan should
(i) Specify the name of the mine and of the
owner and purpose for which it is prepared
(ii) Show the true north or the magnetic
meridian and the date of the later
(iii)Specify a scale of the plan at least
25centimeters long and suitably subdivided.

9. Ventilation plan…contd
(iv) Be on a scale having a representative factor
of 2000:1 or 1000:1.
(v) Be properly inked in on a durable paper,
tracing cloth or on a polyester film and be
kept in good condition
(vi) The plans and sections required shall be
maintained corrected up-to-date which is not
earlier than three months.