CLEANING OF SERVICE TANKS, SWTs AT AFS HAKIMPET UNDER GE (AF) HAKIMPET

Amount

M&L for cleaning and degermination inside of RCC/PVC water storage tanks capacity not exceeding 500 Ltr of any description and in any position comprising following seven stage cleaning and sterilization of water tanks through bacteriological treatment by using Trebac G5/Inchlor-5/NB-10/ Sodium hypochloride, Terbac G65/Inoxi-60/NB-69 and ultra violet rays complete all as specified and as directed.

(a) First stage is to drain out the water by using exit valve or our own high capacity dewareing systems or any other suitable method approved by Engr-in-Charge. (b) Second stage is cleaning all the algae formation inside the tank by using Terbac G 10/Sodium hypochloride/ Inchlor-5/NB-10, a laboratory tested barnded 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 PSL. (d) Fourth stage and first bacteria screening is Sterilization by using Terbac G5/Tank san/Inchor-5/ NB-10, a Laboratory certified branded halogen compound, test certificate of TerbacG5/Tank san/ Inchor-5/ NB-10, from government laboratory mentioning suitability for sterilization. (e) Fifth stage is cleaning the floors of the water tank by heavy duty industrial vaccum 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 agend TerbacG65/Inoxi-60/NB-69/ Pottasium permanganate.

Note:-(i) Test certificate of Terbac G65/Inoxi-60/NB-69/Sodium hypochloride/Tank san/ Pottasium permanganite from Government Laboratory mentioning suitability for sterilization should be submitted to the office before using for Sterilization. (ii) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scale and the same shall be reconnected after cleaning the OHT and the quoted rate is deemed to include for this provision. (iii) Contractor will be responsible for rectification of complaints occurred during cleaning of tank i.e. No water in tank/ Over flow due to broken of float valve/blockage of Outlet lines due to silt and rectification cost will be deemed to be included in quoted rate. Note for all items: The entire tank/Sump/OHT cleaning work shall be carried through specilized agency Rays Cleantech ( Mob - 7278790295) /Supreme Cleaning Agency ( Mob - 9742846464/9845042340) or other agency as approved by GE.

All as per Item No.1.00 here in above but capacity of tank exceeding 500 ltrs and not exceeding 1000 ltrs

All as per Item No.1.00 here in above but capacity of tank exceeding 1000 ltrs and not exceeding 5000 ltrs

M&L for seven stage cleaning and sterilization inside the Underground/semi underground sump of 200000 Gallons capacity throughbacterological by using TERBAC G5, TERBAC G10, TERBAC G65, SODIUM HYPOCHLORIDE and UV RAY by involving the following seven (7) stages of cleaning process including cleaning the external surfaces, structure for scales and other particles any algae, hives and any type of vegetation or any other type of unwanted matters and repairs to internal/eaternal cracks, small holes with cement and sand motar (1:4) and applying one coat of white wash to internal surface when became dry and two coat of white wash to external surface and making good the disturbed surface in CM 1:4 including finishing the surface to match with existing surface complete all as specified and as directed by Engr-in-Charge.

Seven (7) stages of cleaning process (a) First stage is to draining out the reserved water by using exit valve or high capacity pump of dewareing system. (b) Second stage is cleaning all the algae formation inside the tank removing all the scale,dirt,mud inside the tank by using TERBAC G10/ SODIUM HYPOCHLORIDE Chemical complete. (c) Third stage is scrubbing the walls and floor with mechanized scrubber & fresh water cleaning by high speed jet pump (rotary & flat) to remove all scaling, algae and other formed particles on internal surfaces of the tank completeley. (d) Fourth stage is first bacteria screening i.e. de-gernification by using TERBAC G5/ TANK SAN chemical complete. (e) Fifth stage is cleaning the floors of the water tank by heavy duty industrial vaccum cleaner and sludge sucker maximum 1200W with suitable heaby duty rugged motor to make the sump free of any foreign and loose particles of any nature. (f) Sixth stage is the second bacteria screening and sterilisation method by using UV RAYS by heavy duty UV radiation which shall have 360 degree of sterlization with in the tank and kills all suspended bacteria.(The radiation shall portable and effective for sterlization of drinking water tanks for dimination of floating and suspended bacteria) (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor and wall of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65/ POTTASIUM PERMANGANITE or equivalent any non toxic bio-degradable eco-friendly anti-bacterial agent certified by a Govt approved laboratory to disinfect the tank from all harmful pathogans.

Note:-(i) Entire T&P should be arranged by the contractor at their own.Only electric power & water shall be supplied by MES at all stipulated rate.(ii) "Date of cleaning" should be written over the outer surface of tank by synthetic enamel paint with lettering not less than 100mm height. (iii) All safety equipments required like safety helmets, Gumboots, safety belt, mask, safety googles and necessary insurance of safety of working labours to execute the work is responsibility of the contractor and rates quoted shall be deemed to be inclusive of the same.(iv) Contractor will submit Govt laboratory test certificate of TERBAC-G%, TERBAC-G10 and TERBAC G65, SODIUM HYPOCHLORIDE, TANK SAN, POTTASIUM PERMANGANITE.

All as per Item No.4.00 here in above but capacity 1,20,000 Gallons.

All as per Item No.4.00 here in above but capacity 1,00,000 Gallons.

All as per Item No.4.00 here in above but capacity 30,000 Gallons.

All as per Item No.4.00 here in above but capacity 25,000 Gallons

All as per Item No.4.00 here in above but capacity 10,000 Gallons.

All as per Item No.4.00 here in above but capacity 5,000 Gallons.

All as per Item No.4.00 here in above complete but for RCC/PS Overhead Reservoir up to 30 ft high staging of 50000 Gallons capacity.

All as per Item No.4.00 here in above complete but for RCC/PS Overhead Reservoir up to 30 ft high staging of 36000 Gallons capacity.

All as per Item No.4.00 here in above complete but for RCC/PS Overhead Reservoir up to 30 ft high staging of 25000 Gallons capacity.

All as per Item No.4.00 here in above complete but for RCC/PS Overhead Reservoir up to 30 ft high staging of 20000 Gallons capacity.

All as per Item No.4.00 here in above complete but for RCC/PS Overhead Reservoir up to 30 ft high staging of15000 Gallons capacity.

All as per Item No.4.00 here in above complete but for RCC/PS Overhead Reservoir up to 30 ft high staging of 10000 Gallons capacity.

All as per Item No.4.00 here in above complete but for SWT of 20000 Gallons capacity.

All as per Item No.4.00 here in above complete but for SWT of 10000 Gallons capacity.

Supply and fix in repairs PVC float valve set complete including ball, cock, connecting rod with nut bolts and GI fittings required for fixing of following sizes:-

25 mm dia

20 mm dia

15 mm dia

Supply and fix PVC cover lead to match the existing PVC water tank for following capacity:-

250 ltrs and upto 500 Ltrs capacity tank

500 ltrs above and upto 1000 Ltrs capacity capacity tank

1000 ltrs above and upto 5000 Ltrs capacity tank

Supply and fixing of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) of capacity 500 litres hoisted and fixed in position complete all as specified and directed by Engr-in-charge.

Supply and fixing of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) of capacity 1000 litres hoisted and fixed in position complete all as specified and directed by Engr-in-charge.

Supply only Calcium based Chlorine granuals disinfectant for water treatment in 45 kg plastic drums having concentration of clorine 60% to 70% complete all as specified and directed. Make : All Makes approved by E-in-C Branch.

Haasith constructions (BID ID -3054226)

sandhya enterprises (BID ID -3057504)

kaushikbrothers (BID ID -3055891)

Srinivasa Consructions (BID ID -3057729)