1, watering cost per square meter; There is 1t of water every year, and the water fee (plus sewage charge) is 2.5 yuan /t, then every m2; Watering cost: 1*2.5=2.5 yuan/year.
2. The cleaning of residual flowers, fallen leaves and green garbage accounts for 15% of the basic work, with a per capita management of 4000m2. If an annual salary of a green worker is 8,400 yuan, the cost of cleaning up fallen leaves and green garbage is 8,400/4,000 *15% = 0.315 yuan/year.
3. The clothing cost is shared equally to two sets of work clothes, each set of 70 yuan, each person manages 4000m2, and the clothing cost is 70*2/4000=0.035 yuan/m2;
4. The annual average working space (4000m2) is calculated by 500 yuan tools, and the tool fee is: 500/4000=0. 125 yuan/year.
5. The accident handling fee (4000m2) for each work area is machine-team (350 yuan) meters per year, with an average of m2; The treatment fee is: 350/4000=0.0875 yuan/year.
6. If the sum of the first five items is multiplied by 20%, the replanting and other expenses are: (1)+(2)+(3)+(4)+(5) * 20% = 0.6124 yuan/year.
7. Total basic expenses (1)+(2)+(3)+(4)+(5)+(6) = 3.6749 yuan/(year; )
Second, the pruning costs:
Average time per square meter; Pruning cost = basic cost *5%=3.6749*5%=0. 1837 yuan (times/m2; )。 Prune 6 times a year, and the annual pruning cost is 0.1837 * 6 =1.1022 yuan (times/m2; )。
Third, the cost of fertilization:
Generally in m2; Each time 30g compound fertilizer is calculated as 5.5 yuan/kg and each time 30g compound fertilizer is calculated as 5.5 yuan/kg, the cost is 5.5×0.03=0. 165 yuan/(m2/time). If the fertilizer is applied three times a year, the cost is 0. 165*3=0.495 yuan/(㎡/time).
Fourth, the cost of loosening soil and weeding.
Calculated by 10% of the basic fee, the annual fee is 3.6749× 10%=0.36749 yuan/(m2/year).
Five, pest control fees
The average cost is 0. 184 yuan (㎡/year) at 5% of the basic fee, and the cost is 0.184× 6 =1.104 yuan/(㎡/year).
Intransitive verb tax
If the tax rate is 5.2%, then the tax = (1+2+3+4+5) * 5.2% = 0.3507.
Yuan/(㎡/year).
Seven. profit
Taxed at 5%, the profit = (1+2+3+4+5+6) × 5% = 0.3547 yuan/(㎡/year).
Eight, the total cost
The total cost is the sum of the above items, that is, 7.45 yuan/(㎡/year).
Basic data:
1. Total green area of contracted maintenance area: m2;
These include:
2. Number of trees: trees
3. Number (or area) of shrub plants: plant (m2; )
4. Number of lawn and ground cover plants: m2;
Calculation method of total cost of greening maintenance contract;
1, arbor maintenance cost = 10 yuan/plant. Year × number of trees.
2. Shrub maintenance cost = 4 yuan/plant (m2. Year × number of shrubs (or area).
3. Maintenance cost of lawn and ground cover = 5.5 yuan /m2. Year × area.
4. Profit =[( 1)+(2)+(3)] × 5%
5. Total cost =( 1)+(2)+(3)+(4)
Simple and fast calculation method:
Maintenance cost of residential greening: 7- 12 yuan /mp2. Year.
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