No. 

Component 

1.                                                     

Water production cost

2.                                                           

Distribution cost

3.                                    

Routine maintenance and other contracts

4.                        

Repair work by staff and private maintenance contracts

5.                                   

Water quality monitoring at plant level

6.  

Tariff collection cost (vendors) (not more than 20% of the total tariff)

7.

Replacement cost (20% of the total sum of items 1 to 6)

8.                           

Rehabilitation and expansion (5% of the total sum of items 1 to  6)

9.                                                

Sanitation fund (8% of the total sum of items 1 to 6)

10.

Contingency (2% of the total sum of items 1 to 6)

No.                                                                 

Item

1.                                     

Staff and casual labor working on production including

a. salaries before tax

b. Social security contributions,

c. Staff medical expenses,

d. Expenses on safety equipment, and

e. welfare

2.                                   

Chemicals for dosing of water and cleaning of treatment units

3.

Electricity

4.                                                 

Fuel and lubricants

5.

Any other production expenses

No.                                                                     

Item

1.                                                          

Staff and casual labor working on distribution including

a. salaries before tax

b. Social security contributions,

c. Staff medical expenses,

d.  Expenses on safety equipment, and

e.  welfare

  2.                        

Chemicals like bleaching powder used for cleaning out storage tanks and distribution network pipes, among others.