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the Example of an estimation of environmental safety of the gas station on a basis mnogokriterialnogo the analysis of factors (for Voronezh)


The environmental safety estimation has been spent for the gas station, raspoyolozhennoj to the address: Voronezh, street on January, 9th, 104 (drawing of Century 1, Century 2).

Drawing of Century 1 - the General view of the gas station and an adjoining apartment house

Drawing of Century 2 - the Plan of housing of the gas station with distance to a residential construction

Originally we carry out the analysis of criteria of the estimation influencing on rasyoprostranenie of harmful substances from the gas station (table 5.2). According to the available information on housing and gas station exploitation, we select variants sootyovetstvija and we define magnitude of pocketed points (the table of Century 1).

The table of Century 1 - Criteria of an estimation of environmental safety of the city gas stations

Criterion designation

(Nki)

The criterion name Variant of conformity with explanatories KolicheYOstvo points
The personal computer factor - Prirodno-climatic max 30
N ∏κι Speed of a dominating wind (quantitative stimulating agent) - 2,1-5 km/s

(Average speed for of Voronezh - 3,3 km/s)

3
N∏K2 Direction of a dominating wind (qualitative stimulating agent) - The dominating wind is directed from the gas station to a residential construction under a corner 90 ° (a dominating direction of a wind for Voronezh - western) 7
N ∏κ 3 Frequency of presence of fogs

(A quantitative stimulating agent)

- 31-60 days in a year

(For Voronezh - 53 days in a year)

2
N∏K4 Rainfall amount

(A quantitative stimulating agent)

- 501-1000 mm a year

(For Voronezh - 657 mm a year)

2
N∏K5 Frequency of a calm and temyoperaturnoj inversions (a quantitative stimulating agent) - 41-60 days in a year

(For Voronezh - 42 days in a year)

2
N ∏κ 6 Lay of land (qualitative stimulating agent) - The gas station and residential construction range on plain 4
Factor Gr - G radostroitelnyj max 48
Nrpi The gas station location

(A qualitative stimulating agent)

- Residential area 7
Nrp2 Magnitude of sanitary rupture between the gas station and a residential construction (a quantitative stimulating agent) - 51-75 m

(Distance to a residential construction 60)

4
Nrp3 Presence of barriers between the gas station and a residential construction (a qualitative stimulating agent) - Green planting (height from 10 to 20 m in width of planting less than 15) 10
Nrp4 Density of an arrangement of the gas station (in radius of 1 km from the gas station) (a quantitative stimulating agent) - No 3


Ntλ4 Competence and professionalism of workers of the gas station (qualitative stimulating agent) - Unexperienced workers with an operational experience from 2 years

(On the given introduced gas stations)

2
Factor Tn - Technical max 34
tt ι Technical condition of the equipment (qualitative stimulating agent) - Corresponds technical normatiyovam, there are failures oboyorudovanija, planned actions are spent out of time (on the given introduced gas stations) 3
NT »2 Equipment lifetime (quantitative stimulating agent) - 7-10 years (on the given introduced gas stations - 8 years) 2
Ntu3 Quantity of toplivno-distributing columns (quantitative stimulating agent) - 3-4 BROADCASTING COMPANY

(3 BROADCASTING COMPANY)

5
N »4 Total amount of tanks

(A quantitative stimulating agent)

- 200-400 м3

(On the given introduced gas stations -

250

7
Мтн5 Type of housing of tanks (qualitative stimulating agent) - The underground 7
The factor To - Qualitative max 15
N κι Presence of background concentration (qualitative stimulating agent) - No

(According to the spent gaugings)

2
Nk2 Kind of realised fuel (qualitative stimulating agent) - Gasoline and diesel fuel 1
Nκ3 Quality of realised fuel (qualitative stimulating agent) - Corresponds to norms

(On the given introduced gas stations)

3
Nr4 Throughput of the gas station (quantitative stimulating agent) - 251-500 cars a day (natural observation have shown proyopusknuju ability of the gas station - 350 avtoyomobilej a day) 5

The received values are brought in the estimated map (the table of Century 2)

The table of Century 2 - the Estimated map of the factors influencing environmental safety of the gas station

Criteria of an estimation Factors N Received result
N ∏κ Na N ⅛ N. N κ
1 3 7 3 7 3 2 25
2 7 4 2 7 2 1 23
3 2 10 2 3 5 3 25
4 2 3 1 2 7 5 20
5 2 7 9
6 4 4
Total 20 24 8 19 24 11 К=106
The greatest possible quantity of points Т=182

Under the formula (5.2) we define an indicator of environmental safety of the gas station:

By means of table 5.3 we establish a class ecological bezopasyonosti the gas station - Century

Let's offer protective measures which probably to introduce at the considered gas station, from the list offered in table 5.4:

- Filling of tanks to carry out with application gazouravniyotelnoj systems;

- Installation of filters, fences, decorative protections;

- Increase of level of competence and qualification of workers of the gas station;

- Carrying out of planned surveys and repairs, application oborudovayonija, corresponding to technical specifications;

- Replacement of the old equipment by the new;

- Decrease in speed of refuelling of the car;

- Change of the form of a roof of objects and corner of an inclination of a canopy over Broadcasting Company.

Taking into account the offered protective measures it is estimated vozmozhyonyj a class of environmental safety of the gas station, (the table of Century 3)

The table of Century 3 - the Estimated map of the factors influencing on ecological

Safety (taking into account protective measures + points)

Criteria of an estimation Factors N Received result
N ∏κ ZHr Na N ι⅛ N ι⅛ N κ
1 3 7 3 7+8 3+2 2 25+10
2 7 4 2 7 2+3 1 23+3
3 2 10+4 2+3 3+2 5 3 25+9
4 2 3 1 2+1 7 5 20+1
5 2 7 9
6 4 4
Total 20 24+4 8+3 19+11 24+5 11 TO = 106+23
The greatest possible quantity of points Т=182

We define an indicator of environmental safety of the gas station:

Having applied protective measures, could reach assignments sleyodujushchego an environmental safety class - And.

The developed technique of an estimation of environmental safety of the city gas stations, on a basis mnogokriterialnogo the analysis and the estimated map of the factors influencing distribution of harmful substances from sources of emissions at the gas station, allows to define degree of influence of the gas station on an urban environment and to pocket a class of environmental safety of the gas station. Depending on a class of environmental safety of the gas station recommendations on ekoloyogicheskoj can be given reconstruction of the gas station and the set of protective measures is defined, poyozvoljajushchih to raise a class of environmental safety of the gas station.

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A source: GARMONOV CYRIL VALEREVICH. the TECHNIQUE of the ESTIMATION of ENVIRONMENTAL SAFETY of CITY GASOLINE STATIONS. The dissertation on competition of a scientific degree of a Cand.Tech.Sci. Voronezh - 2019. 2019

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  1. CHAPTER 5 OF THE RECOMMENDATION ABOUT MAINTENANCE OF ENVIRONMENTAL SAFETY OF THE CITY GAS STATIONS ON THE BASIS OF mnogokriterialnogo THE ANALYSIS OF THE FACTORS INFLUENCING DISTRIBUTION OF HARMFUL SUBSTANCES FROM SOURCES OF EMISSIONS
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  6. GARMONOV CYRIL VALEREVICH. the TECHNIQUE of the ESTIMATION of ENVIRONMENTAL SAFETY of CITY GASOLINE STATIONS. The dissertation on competition of a scientific degree of a Cand.Tech.Sci. Voronezh - 2019, 2019
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