Military Engineer Services Tender

M&L for seven stage cleaning and sterlization inside the Underground/semi under ground sump of 150000 Gallons capacity through bacterological treatment by using TERBAC G5, TERBAC G65 and UV RAY by involving the following seven (7) stages of cleaning process including cleaning the external surfaces, structure for all scales and other particles any algae, hives and any type of vegetation or any other type of unwanted matters and repairs to internal/external cracks, small holes with cement and sand mortar (1:4) and applying one coat of white wash to internal surface when became dry and two coat of white wash to external 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 dewatering system. (b) Second stage is cleaning all the algae formation inside the tank removing all scale, dirt, mud inside the tank by using TERBACK G5 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 completely. (d) Fourth stage is first bacteria screening i.e. de-germification by using TERBACK G5 chemical complete. (e) Fifth stage is Cleaning the floor of the water tank by heavy duty industrial vaccum cleaner and sludge sucker maximum 1200W with suitable heavy duty rugged motor to make sump free of any foreign and loose particles of any nature.

(f) Sixth stage is second bacteria screening and sterlisation method by using UV RAYS by heavy duty UV radiation which shall have 360 degree of sterlization with in the tank to kill 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 screening is to sterilize the floor and wall of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65 or equivalent any non toxic biodegradable 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. (iii) ''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 for 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-G5, TERBAC-G65. (v) All the cleaning & sterilization staffs should be under accidental insurance coverage.

All as per item No 1.00 (here- in- before) but of capacity 50000 Gallons.