Control 1 and 2 OSH option 7 (PGUPS)

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Uploaded: 17.09.2013
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Examination 1.
5. Factors affecting the degree of electric shock (duration, gender, frequency)
11. Requirements for use of lifting machinery.
26. The main measures against noise in the workplace. The formulas for the calculation.
31. The fire control of the railways in the USSR.
Target 10
To calculate the lightning plant (depot traction substation).
Initial data:
Category enterprise lightning - 1
Building Data: height - 11 m
Width - 16 m
Length - 9 m

Target 12
To determine the efficacy zvukopoglaschayuschih facing walls and ceiling and bench - a machine shop. The shop was built of bricks and plastered, concrete ceiling, the floor - wooden. The walls are painted with glue paint. Double windows in wooden bindings. The sound equipment in the shop to make.
Initial data:
Areas: floor - 145
Ceiling - 145
Steen - 200
The area occupied by oknami- 48%

Examination 2
Objective 2.5
Calculation of protection against electric shock
Notes to the problem:
1. Based on the IO and on the basis of a given variant chosen method of protection against electric current - protective ground or vanishing.
2. Following the table. 2.5.2 or Table. 2.5.3 and using the methodological guidelines IO, calculate the required security settings.
3. In the case of the variant with vanishing developed wiring diagram power consumers to the network, in the case of options with a protective ground - sketch of the protective earth
Initial data:
Output Power - 50 KW
Mains voltage lines / phases - 220
Characteristics of Neutral - isolated
Characteristics of the network - wired

Task 2.6
Calculation of occupational injuries.
Notes to the problem:
1. Calculate the indicators of occupational injuries in accordance with an assignment
2. Create a report on the distribution of the number of injured in accidents related to the production, by main causes (appendix to the form of the 7-TVN)
Initial data:
Average number of employees -1000
The number of injuries - 11
The number of disability days - 60
The main causes of accidents:
Structural defects of machines, equipment, devices and tools - 1.
Faulty machines, equipment - 1.
Poor technical condition of the buildings, structures and their elements - 1.
Imperfection processes - 1
Violation of technological processes - 1
Violation of traffic rules - 1
Poor organization of work - 1.
Non-use of personal protective equipment - 1.
Deficiencies in training and instructing employees on safe methods of work - 1.
The use is not working at the specialty - 1.
Other causes - 1.

Task 2.9
Calculation of fire extinguishers
Notes to the problem:
Guided by the original data table. 2.9.1:
1. Determine the category of production facility explosion hazard
2. Determine the necessary to ensure the production of this category of fire resistance, the number of floors and the permissible area and clarify whether they specified object.
3. Determine which group flammability must comply with basic building construction object and fire resistance of each.
4. Calculate the capacity of the fire pond object
5. For each object was placed to select the type, make and calculate the required number of fire extinguishers
6. Develop a fire alarm object: Select the receiving station, the type of fire detector, to calculate the number of each room and to chart the fire alarm object.
Initial data:
Floors object - 1
Placing an object 1, 2, 3, 4
What floor is the room - 1, 1, 1, 1.
Area - 120, 100, 75, 90
The substances used in the manufacture of the premises - kerosene
The presence of electrical - -, -, +, -


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