MECHANICAL CLEANING AND STERILIZATION OF OVERHEAD RESERVOIR AND UNDERGROUND SUMP AND SUPPLY OF CHEMICAL FOR WATER TREATMENT FOR VARIOUS PUMP HOUSES UNDER AGE E/M NO-1 OF GE (UTILITY) SECUNDERABAD

Amount

M&L for cleaning of under mentioned RCC over head reservoir, under ground sump/semi under ground sump of any size and any height of staging by using mechanical means and scientific cleaning by carry out the following stages of cleaning process for disinfection of surfaces:- (a) First stage is drian out the water by using exit valve or or own high capacity dewatering system. (b) Second stage is cleaning all the algae formation inside the tank by using TERBAC G10 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump with pressure 5 PSI.. (d) Fourth stage and first bacteria screening is Sterilization by using TERBAC-G5 a Laboratory certified branded halogen compound, test certificate of TERBAC-G5 from government laboratory mentioning suitability for sterilization should be submitted to the office before using for sterilization .. (e) Fifth stage is cleaning the floor of the water tank by heavy duty industrial vacuum cleaner.

(f) Sixth stage is the second bacteria screening and sterilizing method by using ultra violet ray Ejector covering 360 degree with in the tank and kills all suspended bacteria. (g) Seventh Stage of cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agent TERBAC- G65.Test certificate of Terbac- G65 From Government Laboratory mentioning suitability for sterilization should be submitted to the office before using for Sterilization (h) The wire mesh of ventilaters of the tank shall be replaced with new GI wire mesh. Note : - Company will submit Government laboratory test certificate of Terbac-G5, Terbac-G65, Fix the sticker mentionning the date of cleaning & Name of site and also provide certificate confirming the completion of sterilization of water tanks mentioning the name of station and date of cleaning. all the cleaning & Sterilzation staffs should be under accidential insurance coverage.

Over head tank of 150000 Gallons capacity at 2TB , Mohidur Line , Haig Line & Kargil line.

Over head tank of 50000 Gallons capacity at Depta & Kowkoor Area and Trishul Line

Over head tank of 350000 Gallons capacity at Golf Course.

Semi under ground sump of 11000 Gallons capacity at 10 Engr Regt /Lake Line.

Semi under ground sump of 5500 Gallons capacity at various location of 4 TB, Haig Line/Lake Line.

Under Gound Sump of 350000 Gallons capacity at Haig Line Pump House.

Under Gound Sump of 500000 Gallons capacity at Trishul Line Pump House.

Under Gound Sump of 1450000 Gallons capacity at Trishul Line Pump House.

Over head tank of 150000 Gallons capacity at Sarvatra lines and umroi line

Over head tank of 250000 Gallons capacity at Napier Line

Over head tank of 25000 Gallons capacity at 2 Lancer , 174 Md Regt

Over head tank of 50000 Gallons capacity at 8 Fd .

Over head tank of 2500 Gallons capacity at 8 Fd,

Semi /under ground sump of 25000 Gallons capacity at various location of Sarvatra lines, 174 Md Regt

Semi /under ground sump of 50000 Gallons capacity at various location of 2nd Lancer, 8 Fd

Over head tank of 10000 Gallons capacity at Avatar Line

Over head tank of 16000 Gallons capacity at 54 Arty Bde

M&L for RCC Over head reservoir water proofing by Epoxy coating of any size and any height of staging by using mechanical means by carry out the following stages of water proofing by epoxy coating process for disinfection of surfaces:- (a) Cutting of the construction joints in 'V' shaped grooves. (b) Drilling of holes in the honeycomb portions. (c) Fixing of PVC nozzles for grouting with quick setting compound admixed with cement. (d) Next Stage of Grouting to Inject the cement mixture with intraplast EP through the nozzle by high pressure injection pump. All these operations are made from inside/outside of the Reservoir and arrange all necessary scaffolding needed to complete the entire procedure (e) Water testing of the tanks by filling the tanks with water and for successfully prevention of the water leakage switch over to the next level for expoxy coating otherwise follow step 4&5 where required. (f) Now the water to be made empty and a water proofing coating to be made in 2 coats in the inner wall and floor of the tank with Tank Coat Epoxy Coating (Potable Water grade).

Over head tank of 150000 Gallons capacity

Dismantling and taking out existing old water level guage/indicator installed for 0.5 Lakh Gallon,1 Lakh Gallon 1.5 Lakh Gallon and 2.5 Lakh Gallon Overhead Tank, 0.25 Lakh Gallon, 0.16 lakh Gallon, 0.1 Lakh gallon with old wire rop, roll wheel, float valve, load weight, replacemnt of old wire guage, wheel guage, float valve, load weight, paste the level guage scale of radium tape with different colour after painting with red oxide primer and enemelled paint of suitable for 0.5 Lakh Gallon,1 Lakh Gallon 1.5 Lakh Gallon and 2.5 Lakh Gallon O/H tank as directed make serviceable complete.

M&L for Semi/UG reservoir water proofing by Epoxy coating of any size and any height of staging by using mechanical means by carry out the following stages of water proofing by epoxy coating process for disinfection of surfaces:- (a) De water the tanks and drying it up. (b) Make suitable scaffolding as needed for the work (c) Preparing the walls by scrubbing by wire brush where it is needed. (d) Patching the the uneven surface with Aqua Arm Top Guard a two component cementitious acrylic polymer dispersion based protective coating. (e) Apply first Coat of water base potable water grade resin based epoxy Aqua Arm Tank Coat at the inner surface of the tank. (f) Make it dry for 24 hrs (g) Apply second coat of water base potable water grade resin based epoxy Aqua arm Tank Coat on the same surface. And left the surface for next 24 hours for drying it up. Total 910 SQ.M

Supply only Calcium Hypochlorite calcium based high strength granular chlorine having 65%- 70% chlorine content packed in 45Kgs PVC sealed container, superior quality suitable for treatment of drinking water and swimming pool (Much more stable than chlorinegas, bleaching power and sodiumhy pochlorite) all as specified and directed. NOTE:- Approval of chemical (calciumhypochlorite) shall be given after verifaction of test certificates of chemical of various manufactures and other factores like chemical and safety and health hazard aspects of usage of chlorination. Make of the chlorination of chemical must be stated in production of certificate duly certified by govt laboratory conforming compliance of specification suitable for drinking water with a declartion from the laboratory that from the technical strengh stability health safety and operation point of view, this productis used for drinking water applications for consumption by humans and the brand /make of calcium hypochlorite is suitable for drinking water chlorination and its sample has been tested by Govt Laboratory.

M&L for ladder for replacement of existing unserviceable ladder at OHT and underground sump as per existing specification with Cross-arms, Bracings, Supports, Clamps and Back Plates fabricated from Structural Steel Sections including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated or directed and inclusive of water proof (fully submersible capabilities ) One Coat of Aluminium Primer, One Under Coat and One Finishing Coat of Aluminium Paint, for complete all as specified and as directed.

L and S ENTERPRISES

sree venkateswara enterprises

Srinivash Engineers

Mavee Syndicate