Wednesday, 15 September 2021
Wednesday, 1 September 2021
I. Picturized Safety Guide for Riggers
1. Before giving the signal to lift, the Signalman to be checked with the rigger that the load is ready for lift.
Tuesday, 31 August 2021
Monday, 30 August 2021
Saturday, 28 August 2021
SOP – Safe Operating Procedure for Controlled Blasting
(All accidents are preventable)
Precautions
to be followed by employees and workers during blasting work
|
S.No |
Precautions |
Photographs |
|
1 |
Before start the job,
conducted the safety tool box talk meeting and get blasting permit. Prior permission must be obtained from the District
collector or District Magistrate. |
|
|
2 |
Before start the job, ensure all workmen should wear
all Personal Protective Equipment’s i.e Safety Helmet, Reflection Jacket,
Safety Shoe, Ear Muff, Hand Gloves and Goggles. |
|
|
3 |
Check the explosives license and allow only the explosive license holder to check the connection of explosives and detonate explosives. |
|
|
|
Before light-up for blasting, barriers should be placed around the work area. |
|
|
5 |
Smoking and alcohol consumption must be avoided
completely. Flammable materials should not be allowed inside. |
|
|
6 |
No person entering the blast area should be allowed to carry items such as phones, pagers, appliances, cigarettes etc. |
|
|
|
Vehicles
should be used only after inspection of Plant & Machinery Officer and Safety
Officer. |
|
|
|
The depth of the two holes should not be more than
the depth of the empty place of the side. |
|
|
9 |
During
drilling wooden / MS plate dummy to be used to all drilled holes for avoid
misfire and unwanted soil refilling. Gelatin cartridge to be filled in to the
hole, after completion of drilling work only. |
|
|
10 |
Only the same type of explosives should be used. (Gelatin sticks, electric detonators). |
|
|
11 |
During
work, Gelatin cartridge filling and explosion to be ensured all extra
explosive materials are kept in safe place or explosive Vehicle. |
|
|
12 |
Do not
allow explosive work during thunder and lightning. |
|
|
13 |
Always
test four or five EDs (Electric Detonators) with a series connection test
device and select the correct ED to explode. As per the site condition,
explosive license holder and site engineer will decide to how many holes will
be exploded. |
|
|
14 |
After
attaching the electric detonators to the gelatin sticks, cover with soft
sand. |
|
|
15 |
After cover with soft stand, then cover with 150mm
rubber mat and keep required number of sand bags on rubber mat. |
|
|
16 |
After
checking all the connections, the public should be made aware through the
loudspeaker before exploding. Flagmen to be placed on all passage to observe
public people and give all clear for explode. Red flag and whistle to be
provided to flagmen. |
|
|
17 |
After
fixing all types of connections should be detonated at a distance of 70m-100m
from the blast site. During explode all site workmen stayed in safe place and
blaster also do blasting activity under the safe shelter. |
|
|
18 |
Follow
below instructions after finish the firing; 1. Only the person holding the explosives license
should be allowed to inspect the explosive site. 2. If found any miss fire, cover all the way with
barrier boards. |
|
|
19 |
3. Misfire gelatin cartridge to be
removed by using of Compressor Air Blower. 4. If not able remove by Air Blower, Soak in soap solution for three days and remove unexploded ordnance. Hard Barricading to be done around the misfire location. |
|
|
20 |
Wash
your hands thoroughly after blasting work and before eating. |
|
|
21 |
Upon completion of the blasting
work, the blasting work permit should be returned to the concerned officer
and give all clear siren. |
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