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| 1 | M&L for seven stage cleaning and sterlization inside the Underground/semi under ground sump/Over head tank of 175000 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. |
| 2 | Item No 1.00 Continue(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. |
| 3 | All as per item No 1.00 (here- in- before) but of capacity 150000 Gallons. |
| 4 | All as per item No 1.00 (here- in- before) but of capacity 100000 Gallons. |
| 5 | All as per item No 1.00 (here- in- before) but of capacity 50000 Gallons. |
| 6 | All as per item No 1.00 (here- in- before) but for RCC Overhead Reservoir up to 20 mtr high staging of 150000 Gallons capacity. |
| 7 | All as per item No 1.00 (here- in- before) but for RCC Overhead Reservoir up to 20 mtr high staging of 100000 Gallons capacity. |
| 8 | All as per item No 1.00 (here- in- before) but for RCC Overhead Reservoir up to 20 mtr high staging of 75000 Gallons capacity. |
| 9 | All as per item No 1.00 (here- in- before) but for RCC Overhead Reservoir up to 20 mtr high staging of 50000 Gallons capacity. |
| 10 | All as per item No 1.00 (here- in- before) but for PS Overhead Reservoir up to 20 mtr high staging of 20000 Gallons capacity. |
| 11 | All as per item No 1.00 (here- in- before) but for PS Overhead Reservoir up to 20 mtr high staging of 10000 Gallons capacity. |
| 12 | All as per item No 1.00 (here- in- before) but for PS Overhead Reservoir up to 20 mtr high staging of 5000 Gallons capacity. |
| 13 | M & L for cleaning of pump houses /OH /UG sump surrounding area by suface excavation upto 2 CM depth including removing shrubs, grass, miniplants, small bushes, branches of trees and other unwanted materials/stones etc and levelling complete all as specified and as directed. |
| 14 | M & L for complete removal of exisiting treatmnent of old plastered or unplastered external surface, preparation of surfaces and applying two coats of cement base paint complete all as specified and as directed with and including writing the date of cleaning in white paint over black back ground paint for space marking of arrows for all raising/delivery/washout/overflow pipes and necessary form work and scaffolding complete (up to height 20 mtr) for capacity of 50,000 Glns RCC OH Tanks. |
| 15 | All as per item No 13.00 (here- in- before) but for 75,000 Glns RCC OH Tank. |
| 16 | All as per item No 13.00 (here- in- before) but for 1,00,000 Glns RCC OH Tank. |
| 17 | All as per item No 13.00 (here- in- before) but for 1,50,000 Glns RCC OH Tank |
| 18 | M & L for complete removal of existing surfaces, preparation of old painted plastered or unplastered surfaces internally (inside storage) of RCC OHT of different sizes with and including applying two coats of hygienic bituminous paint suitable for drinking water and necessary form work and scaffolding complete (up to height 20 mtr) for capacity 50,000 Glns RCC OH Tanks complete all as specified and as directed. |
| 19 | All as per item No 17.00 (here- in- before) but for 75,000 Glns RCC OH Tanks |
| 20 | All as per item No 17.00 (here- in- before) but for 100,000 Glns RCC OH Tanks |
| 21 | All as per item No 17.00 (here- in- before) but for 150000 Glns RCC OH Tank. |
| 22 | M & L for preparation of old painted /new steel surfaces by scraping including painting of PS Overhead tanks external surface by applying two coats of Aluminium paint over and including one coat of red oxide primer complete all as specified and as directed, including writing of date of cleaning in white paint over black back ground paint for space marking of arroows for all raising/delivery/washout/overflow pipes and necessary form work and scaffolding complete for verious capacity of PSOH tank complete all as specified and as directed. |
| 23 | All as per item No 21.00 (here- in- before) but for 5000 Glns PSOH Tanks. |
| 24 | All as per item No 21.00 (here- in- before) but for 10,000 Glns PSOH Tanks |
| 25 | All as per item No 21.00 (here- in- before) but for 20,000 Glns PSOH Tanks |
| 26 | M & L for preparation old painted steel surfaces of PS OHT/UG Sumps of different sizes internally (inside storage) including applying two coats of hygienic bituminous paint over a coat of red oxide zinc chrome primer and sealing surface previous treated with tar bituminous compositions with one coat of knoting in preparation for painting suitable for drinking water complete all as specified and as directed. |
| 27 | M & L for preparing of old painted surfaces of steel or iron of any description not otherwise described over 10 cm width or girth of UG SUMP and applying two coats of synthetic enamel paint first quality of different colours complete all as specified and directed by Engr-in-Charge. |
| 28 | S&F mild steel framed work such as angle iron for supporting of ladder, MS sheets for covering man hole of RCC over head tanks, angle iron support of ventilation & tank covers for including cutting/welding, bending, drilling holes, welding etc complete all as specified and as directed. (NOTE:- Size of angle iron shall be 65mm x 65mm x6mm or 50mm x 50mm x6mm thick.) |
| 29 | Supply and fix hexagonal shape type MS nuts, bolts length up to 5 to 10 cm long of all sizes complete all as specified and as directed. |
| 30 | Supply of alumina ferric Gde-4 confirming to IS 299 : 2012 for purification of water complete all as specified and directed.Make : (a) Raipur Rasayan Udyog, 410/A 411B sector C, Urla Industrial area, Raipur (Chattisgarh), (b) Kay Bee Alums (P) Ltd. G-13 to 16, RICO industrial area, Kapasan Chittorgarh (Rajasthan), (c) Sri Lakshmi Madhavi Alums Pvt Ltd. or equivalent as approved. Please Enable Macros to View BoQ information |