In order to meet gas and diesel generator maintenance to growth of production and extension of the project we immediate need the bigger capacity of Power Gas Generator Unit. This is why we are interested to improve the 900KW/1125 KVA Gas Generator.
We have significantly increased the production capacity by commissioning the new set of fully Gas and Diesel Generator Maintenance and Semi Auto corrugated board making machine. In addition to this we have added two color Offset printing machinery in our offset printing section. Also turning the offset printing Floor Air condition to meet buyer’s demand. Further, to meet the quality product we will have to commission high capacity Boiler. Know more about Diesel Generator Maintenance Checklist and cost.
I would like to inform you the diesel generator maintenance cost , from the very beginning we found, our Generator has created too much high temperature. Some times Generator has shut off. For that reason, we informed your Engineers to solve this problem but they are unavailing to find out the problem and solve it. Several times our production has hampered. In front of your Engineers we have opened our Generator Heat Exchanger and we’ve found a big size (2.2”X2.2”) round metal pc. GETCO Engineer also agrees with us that this is the main problem for high temperature and also manufacturing fault.
Generator Maintenance Proposal
With due respect would like to inform you that our Generator (GAS) have to servicing after every 1000 hours and also lube oil change. For this reason in next Friday January 21, 2010. from 01.00 pm. to 7.00 pm. want to set for servicing the Generator. So, with beg most respectfully that you will give the permission for servicing the Generator on the above date and time.
Materials/Spare Parts Rate For Gas Generator:
S/L No.
Description Of The Materials/ Spare Parts
Qty
Rate (Tk.)
01
Generator Total Price
02 Pieces
4,00,00,000
02
Engine Oil
01 Liter
425
03
Oil Filter
01 Piece
3,300
04
Air Filter
01 Piece
10,500
05
Air Filter Shoot
01 Piece
1,300
06
Spark Plug
01 Piece
7,433
07
C.W.T-512
01 Kg
330
08
C.W.T-513
01 Kg
352
09
Coolant/Additive
01 Liter
990
10
Gas Bill
01 Month
8,50,000
11
Over Hauling Cost
5,00,000
12
Other Servicing Cost
01 Month
5,000
Life Time = 15 Years
= (15×12) Months
= 180 Months
Generator Maintenance Cost
S/L No.
Description Of The Materials/ Spare Parts
Qty
Rate (Tk.)
Total (Tk.)
01
Generator Price
02 Pieces
(2×2,00,00,000÷180)
2,22,222
02
Back-Up Oil
338 Liters
425
1,43,650
03
Changed Oil
208 Liters
425
88,400
04
Oil Filter
1.5 Pieces
3,300
4,950
05
Air Filter
1.25 Pieces
10,500
13,125
06
Air Filter Shoot
1.25 Pieces
1,300
1,625
07
Spark Plug
3.33 Pieces
7,433
24,752
08
C.W.T-512
10 Kg
330
3,300
09
C.W.T-513
10 Kg
352
3,520
10
Coolant/Additive
10 Liters
990
9,900
11
Gas Bill
01 Month
8,50,000
8,50,000
12
Over Hauling Cost
5,00,000
13
Other Servicing Cost
01 Month
5,000
5,000
Total=
18,70,444
Total Cost per Month for Generator = 18, 70,444 Tk.
Total Cost per Year for Generator = (18, 70,444×12) Tk. = 2, 24, 45,328 Tk.
Total Cost per Day for Generator = (2, 24, 45,328÷365) Tk. = 61,494 Tk.
Total Cost per Hour for Generator = (61,494÷24) Tk. = 2,562 Tk.
Generation Per Day (Average):
Old Caterpillar Gas Generator = 12 MW
New Caterpillar Gas Generator = 12 MW
Total Generation per Day = (12+12) MW
= 24 MW
= (24×1,000) KW
= 24,000 KW
Total Generation per Month = (24,000×28) KW
= 6, 72,000 KW
Per KWH Cost = (18, 70,444÷6, 72,000) Tk.
= 2.78 Tk.
Load Calculation For All Units (Average)
Units Name
Amp.
KWH
Rate/KW (Tk.)
Total Cost (Tk.)
Textile
478
265
2.78
736.70
Generator Room
70
39
2.78
108.42
Utility (Boiler Room)
560
310
2.78
861.80
Washing
158
88
2.78
244.64
E.T.P-2
160
89
2.78
247.42
Knitting
171
95
2.78
264.10
Garments
701
389
2.78
1081.42
E.T.P-1
133
74
2.78
205.72
Embroidery
100
56
2.78
155.68
Per Month Electricity Cost for All Units:
Per Day electricity cost for Textile = (736.70×24) = 17,680.80 Tk.
Per Month electricity cost for Textile = (17,680.80×28) = 4, 95,062.4 Tk.
Per Day electricity cost for Generator Room = (108.42×24) = 2,602.08 Tk.
Per Month electricity cost for Generator Room = (2602.08×28) = 72,858.24 Tk.
Per Day electricity cost for Utility (Boiler Room) = (861.80×24) = 20,683.2 Tk.
Per month electricity cost for Utility (Boiler Room) = (20,683.2×28) = 5, 79,129.6 Tk.
Per Day electricity cost for Washing = (244.64×24) = 5871.36 Tk.
Per Month electricity cost for Washing = (5871.36×28) = 1, 64,398.08 Tk.
Per Day electricity cost for E.T.P-2 = (247.42×24) = 5,938.08 Tk.
Per Month electricity cost for E.T.P-2 = (5,938.08×28) = 1, 66,266.24 Tk.
Per Day electricity cost for Knitting = (264.10×24) = 6,338.4 Tk.
Per Month electricity cost for Knitting = (6,338.4×28) = 1, 77,475.2 Tk.
Per Day electricity cost for Garments = (1081.42×24) = 25,954.08 Tk.
Per Month electricity cost for Garments = (25,954.08×28) = 7, 26,714.24 Tk.
Per Day electricity cost for E.T.P-1 = (205.72×24) = 4,937.28 Tk.
Per Month electricity cost for E.T.P-1 = (4,937.28×28) = 1, 38,243.84 Tk.
Per Day electricity cost for Embroidery = (155.68×24) =3,736.32 Tk.
Per Month electricity cost for Embroidery = (3,736.32×28) = 1, 04,616.96 Tk.
Generator maintenance – Cooling Tower
Ball Valve 1”
Butterfly Valve 4”(with Flange)
Butterfly Valve 6”(with Flange)
Butterfly Valve5”(with Flange)
Centrifuge High lift Pump
Flow rate 120M/H
Head 20M
Suction 6”
Delivery 5”
Expunction Joint 4” (with Flange)
Expunction Joint 5”(with Flange)
Foot Valve 6”(Flange type, with Flange)
MS Elbow 2”
MS Elbow 4”
MS Elbow 5”
MS Elbow 6”
MS Reducer 4”*2”
MS Reducer 4”*5”
MS Ring Flange 4”
MS Ring Flange 5”
MS Ring Flange 6”
MS Simless Pipe 4”
MS Simless Pipe 5”
MS Simless Pipe 6”
MS Simless Pipe 8”
Non return Valve 5”(disk type)
Nut bolt with washer (full thread) 16*120
Nut bolt with washer 16*50
Nut bolt with washer 16*65
Nut bolt with washer 20*50
Nut bolt with washer 20*50
Pressure gauge
Strainer 6” (Flange type, with Flange)
Temperature gauge (0-100,300)
Generator maintenance – Exhaust Gas Line
MS Flange (as per sample)
MS Simless Pipe 12”
Temperature meter (0-500 c)
Generator maintenance – Inlet Gas Line
Ball valve ½”
Ball Valve 4” (Flange type)
Gas Filter 4”(with Generator)
MS Elbow 4”
MS Flange 4”
MS Pipe 4”
MS Reducer ( 4”*3” welded type)
Niddle valve with sypone pipe ½”
Pressure gauge (0-200 PSI)
PRV (Gas regulator Valve3”)
S S Expansion Joint 4” (with flange)
Solenoid Valve 4” (with flange) with Generator
Gas and diesel generator maintenance cost is described in this article
Diesel Generator Maintenance – Preventive – work at every 300 hrs
Lubricating oil & lubricating oil filter change.
Air filter change.
Fuel filters change
Change radiator water and mixed coolant.
Fuel filters water separator change.
Air filters restriction check & correct.
Battery water check or refill.
Diesel Generator Maintenance – Preventive – work at every 450 hrs
Lubricating oil & lubricating filter change.
Air filter clean.
Fuel filters change.
Change radiator water and mixed coolant.
Fuel filters water separator change.
Air filters restriction check & correct.
Battery water check or refill.
Water filters change.
Diesel Generator Maintenance – Preventive – work at every 600 hrs
Lubricating oil & lubricating oil filter change.
Air filter………………………………………Change/ if needed
Fuel filters change
Change radiator water and mixed coolant.
Fuel filters water separator change.
Air filters restriction check & correct.
Battery water check or refill.
Overhead set ………………………………..Adjust
Engine wiring harness………………………Check/replace if need.
Engine cranking breather……….…………..Clean
Ignition system……………………………….Check /Replace
Supplement coolant additive as needed…..Check/add
Diesel Generator Maintenance – Preventive – work at every 750 hrs
Lubricating oil & lubricating oil filter change.
Air filter clean.
Fuel filters change.
Change radiator water and mixed coolant.
Fuel filters water separator change.
Air filters restriction check & correct.
Battery water check or refill.
Ignition fuel system……………………… Check/Replace if needed
Supplemental coolant additive…………..Check / Test
Stator leads connection…………………..Check/Connect if needed
Diesel Generator Maintenance – Preventive – work at every 900 hrs
Lubricating oil & lubricating oil filter change.
Air filter change.
Fuel filters change
Change radiator water and mixed coolant.
Fuel filters water separator change.
Air filters restriction check & correct.
Battery water check or refill.
Fuel injector and fuel system..………Change/replaced if needed
HP fuel pump…………………………. Check/replaced if needed
Fuel pressure maintaining valve……. Check/replaced if needed
Engine Mounts……………………..…..Check/replaced if needed
Engine Protective Devices……………Replace/Check
Starting motor ………………….………Inspect/correction if needed
Water pump (HT & LT)………………….Inspect/correction if needed
Main alternator…………………………Check
L/C for a Diesel Generator
Dated: 08/09 /2010
To
The Manager,
Prime Bank Ltd.
Motijheel Branch,
Dhaka,
Sub: Request to open capital machinery L/C for EUR9O: 1309000.00 taking facilities 10%margin and balance by creating HP loan.
Dear Sir,
We would like to inform that we have already taken a step to produce more with enhancing our factory for new garments order. Now we need to import 1(ONE SET) GENERATOR as our need based. it is mentioning that our previous generator support is not good enough to our factory. To meet current electricity crisis we need to depend to import new one which electricity capacity is 12500KVA WILL BE ADDED OUR PREVIOUS. Now we like to enjoy the said amount HP loan for five years by creating a installments with one year grace period. The loan will be adjusted from our respective export proceed. it may be mentioned that we have already been enjoying a HP limit with your sanction whereas some loan was adjusted as a very short time facing your sanctioned grace period. The supplier details and offer are given as below:-
1) M/S MTU ASIA PTE LTD for EURO: 13088000.00(DIESEL GENERATOR 12850KVA
As such we request to kindly sanction a HP loan for 1373064.00 with taking10% margin from our available fund.
The relevant copy of proforma invoice and other documents are attached herewith for your kind information and necessary action.
Thanking you in anticipation.
Yours faithfully,
Dr. Habib
Certificate As Diesel Generator MaintenanceOperator
This is to Certify that we the supplier of Perkins 2800 Series model 2806C-E16 Diesel Generator have trained Mr. ABUL Hasim Son of Abdul Hannan Hawlader of Village : Baliafag, PO: Khoidfdfrabad PS: Bakergong, District : Barisal. Working in Auto GROUP on operating and troubleshooting of the supplied Generator.
He is found to be active, and has gained knowledge on operating diesel generator maintenance
To ensure the proper storage & uses Generator Cooling Tank Chemicals. Applies to the Maintenance section Generator in Auto Textiles Ltd. Deputy Manager, Jr. Officer, Supervisor, Jr. Supervisor and CFT members are responsible for this jobs
Generator Cooling Tank Chemical Process
Requisition of Generator Cooling tank chemicals to store Section. Then its collect from Chemical store for use. Its done by supervised of a Jr. Officer/ Supervisor.
Here 3 types of chemical are use
Scale & corrosion inhibitor
Biocide for open evaporative system
Biocide for open evaporative system
Dosing system for Scale & corrosion inhibitor chemical.
This chemical is use daily. For dosing chemical we use a container. In this container we put chemical for a day. The chemical dose to cooling tank by dosing pipe. This chemical is use for controlling scale & corrosion of water.
Biocide for open evaporative system.
This chemical is use per half monthly & its drop to the cooling tower directly.
Incase of spillage/Drop chemical in the floor then
Washing this place with water & detergent and drain all washing water in Effluent treatment plant to save our Environment. If use any fabric to wash its store in a Designated area.
When a Running drum chemical is empty then set a new Drum in this system. This chemical Drum cap is airtight so when its shift to open tank then safe for any spillage.
Generator Cooling Tank Chemicals is used in garments industries
To describe the smooth generation, transmission, distribution and preventive maintenance procedure of electrical system for SFL-2. This guideline is applicable for SFL-2 factory, Electrical Engineering personnel who involve in this sector and have a large experience in operation and maintenance of Garments Factory Building. Process: Depend on machine wise.
Safety:
Personal safety: Please don’t carry water, fire/fire box, salt, dust, inflammable materials, chemical and a biological agent at substation that could cause fire hazard or illness. The Engineer/Electrician should wear protective safety gear such as boots, gloves, apron, electrical safety glasses and earplugs to protect him or her from Electric shocks and other environmental hazards.
Machine safety: Please follow the installation/operational manual for particular machine and Locking/unlocking and tagging/un-tagging policy.
Energy Management:
Examples of how it is possible to save energy and costs with the help of maintenance:
Switching to electronic ballast and LED light. Use Energy star product with label.
Load management at launch time. Switching to servo motors machines.
Energy efficient motors to be used with synchronous belt instead of V-belt.
Motor input voltage shall be balanced, well lubrication & ventilation, right alignment, checks motor temperature and ventilation, appropriate load consideration need to be maintained. Use VVVF or VFD at motor for speed control & soft starting. Avoid idle running of any machine and motor.
Insulate pipes, valves and flanges correctly and use steam traps at steam line. Repair steam and compressed air pipe leakage.
Electrical Waste Management:
Place the fluorescent lights/CFL/Battery back into their original containers or the package provided by the recycling company or waste disposal company. Label the box with “CFL/Fluorescent light/battery: hazardous waste.”
Tell everyone to leave the room; open windows, allowing the room to air out for about 15 minutes. Turn off any air conditioning or heat units in the storage area.
Deliver the fluorescent lights/CFL/Battery to Engineering Store/SFL-1 or Call your local recycling company or local hazardous waste Disposal Company and ask if they offer any fluorescent light disposal or recycling programs.
Inquire as to what kinds of fluorescent bulbs they take, as some will only accept bulbs that have burned out. Ask if there are any special boxes or labels you need to turn in your fluorescent tubes.
Methods of Electrical Maintenance:
Electrical Drawing: Update factory’s single line diagram including earthing system, Electrical Drawing of HT, LT, PFI, MDB, SDB & SB. And machine layout drawing with proper dimension for the factory to be update as a when required.
Lightning Protection System: Update & check Lightning Protection system diagram with earth pit after a year.
Earthing System: Ensure only one type of earthing system and also ensure separate earthing connection for Transformer, Generator, and Electrical System for your factory. Check & register earth resistance half yearly for all earth pits.
Electrical Preventive maintenance Log: Keep updating your preventive maintenance log i.g. Emergency & Exit light check monthly, Ceiling fan checking after 04months.
Cables loading: Ensure electrical cable is loaded not more than 75% of its loading capacity and prepare DB schedule half yearly.
Cable Connection/termination: Ensure that all the cable terminations/connections are tightened firmly. LT/MDB/SDB check quarterly. SDB, MDB, LT, HT, PFI, Cable rench/Tray/ladder: keep clean from dust and spider net. Cable trench/Tray/ladder check quarterly.
Electrical tools & Instruments: Ensure calibrated instruments and proper insulation for all the electrical tools used by factory electricians.
Insulation Resistance: Insulation resistance test of all the cables must be performed once every two years cycle and recorded.
Thermo graphic scanning: for entire electrical system must be performed on a biannual basis and recorded
This is the document about electrical safety training system during the maintenance period. Electrical safety training is very crucial for any kind of maintenance person (especially for electricians). Electrical safety training is definite by the process in which P.P.E (Personal Protection Equipment), LOTO (Log Out Tag Out) and de-energized concept, using of engineering tools in sense of the wellbeing, net and clean approach, and high degree of consciousness are exercised during the whole training phase.
P.P.E means personal protective device. Maintenance personnel who are not concern about P.P.E, LOTO & insulated electrical tools may cause serious injury and sometimes it could be the reason of death. (Demerits)
A man who are used to about P.P.E, LOTO and insulated electrical tools, they can avoid the electrical socks, unusual hazards. (Merits)
Before using electrical tools it is too much necessary to check its necessary portions should be insulated. If LOTO device will be ignored by personnel during the maintenance work, serious problem could be occurred so, in sense of LOTO using first, we de-energize the power source (Protective Device). Secondly, Lock the protective device that any one can’t operate it. Thirdly, a Tag should be posted near the spot which understand that maintenance work is going on.
N.B.: Scheme of LOTO and PPE have been Illustrated later.
Training Perception:
“Consciousness” this word too crucial for any maintenance purpose. So, this concept should be worshiped by any maintenance personnel.
LOTO (Log Out Tag Out) device one of the vital concern in the field of maintenance. Be used to about it.
Wearing electrical safety shoes to conduct electrical tasks. (Specially for sub-station room & Boiler room)
Using double insolated hand gloves to perform any electrical maintenance based works.
The exercise of using electrical helmet should be bothered by the maintenance personnel, especially for heavy waited maintenance works.
Only qualified persons may perform testing work on electric circuits or equipment. Remember once again only qualified persons.
Employees may not reach blindly into areas which may contain energize parts. So, be concern about de-energized concept.
Do not attempt to repair electrical equipment unless you are trained, qualified and self-assured. It should be remembered by the relative personnel.
Test instruments and equipment and all associated test leads, cables, power cords, probes, and connectors shall be visually inspected for external defects and damage before the equipment is used.
Practice Procedure:
Electrical safety training system is defined by the process in which P.P.E (Personal Protection Equipment), LOTO (Log out Tag Out) & de-energized concept, using of engineering tools in sense of wellbeing, net and clean approach, and high degree of consciousness are exercised during the training phase. Practice Procedure of Electrical safety training will be performed within ninety (90) calendar days interval on the basis of three aspects listed as follows:
Following safe work practices and do not attempt to repair electrical equipment unless you are trained and qualified.
Make sure lines are de-energized before your work on them.
Wearing any required PPE (double insolated hand gloves, electrical helmet, safety glasses, Safety shoe)
Alert your co-workers of garments to any unsafe work practices.
Report to all problems to your supervisor engineer
Please Know what to do in the event of
Electricity will try to reach ground even if it means going through a person. So, wearing something which make a separation between you and the ground level.
Even the “small” voltage from your home can cause serious injury. Be concerned about it.
Always inspect power tools and cords before each use and do not use them if damaged and Flexible cords shall only be used in continuous lengths, no taps or splices
Always use lockout/tag out procedures to de-energize electrical systems.
Do employees inspect their power tools, extension cords, and damaged insulation, bent/ missing pins, etc. before use?
Test instruments and equipment and all associated test leads, cables, power cords, multi plug, probes, and connectors, pplug shall be visually inspected for external defects and damage before the equipment which is used.
If there is a defect or evidence of damage that might expose the employee to injury, the defective and damaged item shall be removed fully from service, and no employee may use it until repairs and tests necessary to render the equipment safe have been made.
Only qualified persons may perform testing work on electric circuits or equipment.
Employees may not enter spaces containing exposed energized parts, unless illumination is provided that enables the employees to perform the work safely.
Employees may not reach blindly into areas which may contain energized parts.
Conductors and parts of electric equipment that have been DE energized but have not been locked out or tag in accordance with paragraph (below) of this section shall be treated as energized parts
Never use a three prong plug with the third prong broken off.
Keep tool and cords away from heat, oil and harsh objects.
Wearing safety glasses to avoid eye injury. Especially for workshop related works.
Wearing proper foot protection. As an instance: Safety shoe (In accordance of electrical perspective )
Wearing a hard hat (electrical helmet). especially for heavy waited maintenance works
Following the manufacturer’s directions for cleaning/maintaining PPE.
Basic Checkpoints / questionnaires
Does the factory have procedures that provide guidance on electrical safety for the responsible person(s) authorized for maintaining the electrical system at the factory?
Does the factory have procedures that provide the following information for managing lockout/tagout:
A lockout/tagout assessment and identification all the equipment and machines that should be locked or tagged?
Instructions on how each of piece of equipment/ machine should be properly locked and tagged ?
a list of the responsible persons for locking/unlocking and tagging/untagging equipment/ machines;
Do all electrical, mechanical personnel , and relevant operators ( e.g., for elevators, forklift, etc) in the factory hold valid license issued by government authority where applicable?
Does the factory implement procedures regarding unauthorized entry into high voltage electrical stations and/or any other such restricted area ?
Are all electrical lines, control panels and junction boxes provided with safety signs as reqired by local law?
Are electrical junction boxes and control panels properly covered?
Are all electrical switches and control panels accessible and unobstructed?
Are all electrical wirings, insulation, switches and electrical in building/equipment/machinery properly installed, grounded and maintained?
Do these specialty areas have adequate protection?
Does the factory obtain valid equipment inspection certificates as per any applicable local regulations?(e.g. elevators,boiler, air compressor, forklift, pressure vessels, vehicles and etc)
Are safety operating procedures in understandable local language and posted near or next to the machines?
Are machine guards appropriate and functional, including those for exposed or moving mechanical parts ? ( e.g. conveyor belt gears,drive shafts, fan blades, hot surfaces, equipment with lasers)
Is there an emergency shut off mechanism or protective devices (e.g. lifeline, emergency button, automatic device) for machines where necessary?
Are machines regularly inspected according to scheduled preventive maintenance procedures?
Are machines and adjacent surrounding areas regularly cleaned? (e.g. oil leaks and dust)
Are lift/s equipped with adequate safety provisions, signs and valid permit to operate? (e.g. maximum load limit, secondary cable, safety doors, etc.)
Is a hot work permit system followed? (e.g. welding works approved by chief mechanic that the area of hot work is prepared for any eventuality of accidental fire)
Are workers effectively trained to use machines and equipment safely?
Does the factory have procedures that provide the following guidance on electrical safety:
How electrical problems (concerning the building or concerning individual equipment) are addressed, including equipment removal if needed?
Checklist Issues Regarding In the event of an electrical fire
Do not use a Type A, water extinguisher if you know really how to use an fire extinguisher, use a CO2 and dry chemical fire extinguisher
If you are not sure about using a extinguisher, leave the area and close the doors behind you Wait for the Fire Dept. personnel to arrive.
Personal Protective Equipment (P.P.E) Scheme
The purpose of the Personal Protective Equipment Policy (PPE) is to minimize injury to factory maintenance personnel through the proper use and care of personal protective equipment.
Considerations
Application: What part of the body is being protected?
Chemical Resistance: Will material maintain structural integrity and protective qualities.
Strength: Is the material resistant to punctures, tears, and abrasions?
Flexibility: Does PPE provide the necessary dexterity?
Thermal Limits: Does clothing maintain the mobility and protective capacity in temperature extremes?
Cleanable: It Can material be easily reused?
Longevity: It Will clothing resist age?
Electrical Safety Training Tools
Electricity and electrical equipment are used on every site and home, everyone is familiar with it, but not all seems to remember that misuse of electricity/electrical equipment is dangerous. All electrical systems and equipment must be properly selected, installed, used and maintained to avoid accident.
Electrical Safety Training Tools
Electrical equipment used on site, particularly power tools and other portable equipment and their leads, faces harsh condition and rough use, is likely to be damaged and become dangerous. Modern insulated tools are well protected but their leads are still exposed to damage and should be checked regularly before use.
Before The Use of Electricity and Other Electrical Tools
Check that all plugs and cables of the hand-held electrically powered tools are in good condition, inspected and color coded by a competent person.
Ensure that no naked wire is exposed
The plug is in good condition, for example, the casing is not cracked and pins not bent etc.
Ensure that there are no tape or other non-standard joints in the cable
Be sure that the outer case of the equipment (grinder etc) is not damaged or loosed, and all screws are in place.
Ensure that there is no overheating or signs of burn on the plug, cable or equipment.
Check regularly to ensure that all trip-off devices are in good working condition.
Never improvise with electrical equipment (Don’t manage)
Don’t leave trailing electrical cable where they can be damaged or cause tripping hazards, especially on access and walkways, raise cable above head level.
Always assume that cables, plugs, etc. are LIVE
Always disconnect grinders before replacing discs
Never repair electrical tools on your own, call an electrician to carry out repairs for you
Switch off all electrical equipment when not in use
Do not carry grinders and other electrical tools by holding on the leads
Do not leave extension cable and plug inside water
Protect exposed lead and welding terminals (Cover the expose terminal with plastic cover).
Report and remove all faulty electrical equipment and tools immediately
