CLEANING OF OVER HEAD TANKS, SLUICE VALVE, VALVE PIT CHAMBER, EARTHING AVIATION LIGHT, BLDG LIGHTS AND POINT WIRING AT SOUTH AREA UNDER GE (U) MEERUT.

Excavation in trenches in soft/lose soil n.exc. 1.5M wide & n exc 1.5M deep for laying of GI/CIDI pipe lines & getting out including forming bottom surface all as specified and directed.

Returning, filling in, trenches including spreading, levelling, watering and well ramming in layer n.exc. 250 mm in any type of soil after the pipe laid & tested complete all as specified and directed.

Removing excavated surplus soil to a distance n.exc. 50mtr and depositing where directed at a level n.exc. 1.5 m above the starting point all as specified and directed

M&L for seven stage cleaning and sterilization, overhead tank of capacity of 20000 gallon through bacteriological and fungal treatment by using sodium hypochlorite, potassium permanganate complete all as specified and directed.

All as per item No 04 above but the capacity of the tank is 25000 gallon

All as per item No 04 above but the capacity of the tank is 50000 gallon

All as per item No 04 above but the capacity of the tank is 100000 gallon

All as per item No 04 above but the capacity of the tank is 200000 gallon

All as per item No 04 above but for the UG Sump of capacity 20000 to 25000 gallon up to 5.0 meter depth.

Note for item no 4 to 9 :-(a) First stage is to drain out the water by using high capacity pump of dewatering system. (b) Second stage is cleaning all the stage formation inside the tank by using sodium hypochlorite a laboratory tested branded chemical as recommeded by Engr-in-Charge. (c) Third stage is scrubbing the walls and floor with mechanised scrubber and fresh water cleaning high speed jet pump (Rotary & flat) to remove all scalling algae and other formed particles on internal surfaces of the tank completely. (d) Fourth stage and first fungal screening is sterilization by using potassium permangate (KMNO4), Laboratory certified chemical and as recommended by Engr -in-Charge, test certificate from govt laboratory monitoring suitability for sterilization should be submitted to the office before using sterilization. (e) Fifth stage is cleaning the floor of water tank by heavy duty industrial vaccume cleaners and sludge succor having maximum 1200 watt with suitable heavy duty rugged motor to free any foreign and loose particles of any nature. (f) Sixth stage is providing UV radiation which shall have 360 degree off sterilization with in the tank to kill all suspended bacteria (The radiation shall portable and effective for sterilization of drinking water tanks for diminetion of floating and suspended bacteria.) (g) Seventh stage of cleaning is to sterlize the floor of the water tank by using branded strong oxidizing agent non toxic bio-degredable eco-friendly anti-bacterial agent (high potency sodium hypochlorite) certified by a Govt. approved laboratory to disinfect the over head tank from all harmful pathogens. (h) Cleaning of, lid wall of the tank, structure for all scales and other particles any algae, hives and any type of vegetation of any other unwanted matters.