SCOPE OF WORK IN MAINTENANCE OF WATER WORKS

Annexture – I

Scope of work:

Normal scope of work :

1. The plant will be manned by our operators, 1 nos and 1 helper in each shift of 8 hours,1 chemist cum superviser, 1 plumber, 1 electrician. Work schedule of the unit operators are if already available, you will provide us with the same.

.2. All minor maintanance work will be done by us. But any replacement of the machinery to be carried out by you or the charge will be borne by you..

3. Electricity to the plant will be supplied by you .Hours of avalability of power,break downs, and upset conditions etc will be notified by you well in advance.Log book of power meter will be maintained by us.
4. Supply of diesel to the generator set will be provided by you.Any repair to the DG set will be done by you. Records will be maintained
5. The required chemicals will be supplied by you.Jar test for optimum alum dosing will be done.
6. Auto dosers for alum will be set from time to time depending upon the needs.
7. Daily Inhouse testing of the water will be done by our chemist to check the efficiency of the Treatment Plant. Complete record of bacteriological and chemical analysis of water at inlet and outlet point of the works will be maintained by us. Charts will be prepared for important parameters and any change compared to standards must be taken note of.But all outside/official testing charges as and when required will be borne by you.
8. You have to provide all the drawings and O&M manual of each of the components of the works.
9. Any spare required for replacement should be made available by you at any time for the maintenance. We can provide you with a preventive maintenance report for the purpose.
10. Chart for inspection of machinery and lubricating schedule will be maintained by us.

Other works done by us on regular basis will be----

1.SCREEN:

Hand cleaned screens should be cleaned as often as required to prevent backing up of water in the inlet mains.Daily record of operation should be maintained to show frequency of cleaning.

If any mechanical part is there in the screen , oiling and greasing is to be done.

2.FLASH MIXER:

Daily record of chemical dosing by auto dosers should be maintained .

3. AERATION TANK:

In the aeration tank the following tanks are to be strictly monitored for efficient functioning of the system

i) Rate of flow of water .ii) Air supply by cascading. This is monitored by checking DO level .Min DO should be 1 ppm.iii) Maintain records

5.CLARIFIER TANK:

i) Sludge: Sludge removal should be sufficiently frequent .Continuous removal reduces floating scum and results in a thick sludge.Chokagaes in the sludge line is to be observed regularly.

The mechanical sludge scrapper should be run continuously or at a predetermined intervals as designed.The wheel of the scrapper is to be replaced immediately if worn out.

ii)Algae and other solids, oil ,grease etc are to be regularly atleast once a week to be removed by brushing and hosing them without disturbing the tank contents. Inlet and out let channels should be kept clean atleast once a week.Paint regularly to avoid corrosion.

iv) Keep records of cleaning

6. Rapid Gravity Filter :

It requires regular backwash. Otherwise problems like air binding, incrustation of media etc. Backwash should be done at the designed pressure, not at low pressure for a long duration as is done as shortcut method.The time and duration of backwsh is depended upon the turbidity of wasted water. You should provide us with the backwash manual given to you by the consultant.

7.POLISHING TANK:

The dosing of Sodium hypo chlorite is to be monitored and adjusted properly.Residual chlorine is measured.Maintain records.

 

8. MECHANICAL AND ELECTRICAL EQUIPMENTS:

i) Lubricating schedule

ii) Cleaning and painting schedules

iii)Prompt detection of Leaks and wear and tears and remedial measures

iv) All pumps including standby are to be operated in rotation to avoid unneccesary overlaod in a single pump. Bearings, motors and electrical control equipments are to be inspected for any overheating

 

9. Safety in the plant:

i) All workers should be compelled to observe personal hygiene such as washing after work as well as washing before taking food.

ii) Immediate first aid for any cuts or burns.

10. Establishment of inhouse laboratory:

It is very important to have an inhouse testing lab . Only then the different parameters can be regularly tested and proper functioning of the plant can be gauranteed. We have our own analyst to do the testing works if you have a lab. If you do not have the lab , we can help you to set it up.

 

Annexture- II

Contract value

The monthly contract value for the above job shall be Rs. _____ Payments will be made on the 7th day of each month by cheque.

Termination clause :

In the event of termination of the contract from either side , one month notice is to be served .

Please sign this contract as token of your acceptance.

Thanking You

for SYED ENVO PROTECT (I) PVT LTD

 

(SALEEM ASRAF)

Director