| 1 | M&L for mixing of approved bio-culture / bio-enzymes (HSN Code : 30029030) for improvement of biological treatment process in MBBR / aeration tanks Sewage Treatment Plants (STP's) of any capacity, including MBBR / aeration tanks complete all as specified, directed and comprising the following:
a) Supply of high-quality, non-pathogenic, eco-friendly bio-culture suitable for sewage treatment and compatible with existing STP process (MBBR / Activated Sludge / Aeration system).
b) Deployment of experienced and technically qualified STP/bio-treatment expert to visit the site, assess existing STP performance parameters (BOD, COD, MLSS, DO, pH, etc.) and decide suitable dosage.
c) Mixing and dosing of bio-culture directly into aeration tanks / MBBR media zones, including proper dilution, circulation and uniform distribution as per manufacturer s recommendation.
d) Continuous monitoring during dosing period to ensure effective activation of biomass, improvement in microbial activity and stabilization of treatment process.
e) Ensuring successful performance of STP, achieving treated effluent parameters within prescribed limits as per PCB norms.
f) Item includes all materials, labour, tools, consumables, expert supervision, testing, monitoring and incidental charges, complete all as specified and as directed.
Note : Quoted rate included with visits, supervision, testing or re-dosing required to achieve desired results | 200.00 | Kg |
| 2 | M&L for Intensive cleaning of swimming pool of Size 26m X 12.5m with high pressure jet to remove stains, algae, and build-up in pools and Complete drain and refill. The work includes the following Services:
(a) Removal of sludge using sludge machine and disposal of same out of defence land
(b) scrubbing of internal surfaces using industrial vacuum machine and applying of anti bacterial
sterlization spray to walls, floors and ceilings
(c)Tile and wall scrubbing to remove stains, calcium deposits, and algae.
(d) Pressure cleaning for heavy dirt and tough stains.
(e) Detailed filter and pump cleaning.
(f) Full chemical treatment for deep sanitization.
(g) Advanced stain remover if necessary
(h) The Rate quoted by the contractor is deemed to include provision stickering of date of
cleaning on the existing board letter / figures ( Block, Roman, Italic or Indian) in White or Black
colour and size as per existing font. (Date of Cleaned in formate of (DD/MM/YY) | 2.00 | Each Job |
| 3 | M&L for seven stage cleaning and sterilization of for of inside UG Sump of capacity 25000 gallons capacity Sump at Swimming Pool through bacteriological treatment by using a govt certifed suitable chemical compound.
(a) First Stage is to drain out the water by using exit valve or high capacity dewatering system.
(b) Second stage is cleaning all the algae formation inside the tank by using a laboratory tested branded chemical compound and scrubbing the walls of the tanks.
(c) Third strage is fresh water cleaning by high speed jet pump.
(d) Fourth stage and first bacteria screening is decertification by using a Govt Laboratory certified brannded halogen compound.
(e) Fifth stage is cleaning the floor of water tank by industrial vaccum cleaner.
(f) Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within 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.
| 1.00 | Each Job |
| 4 | M&L for cleaning of fountain tank and associated system and the work includes the following Services:
1.Dewatering the fountain tank using portable submersible pumps to remove all water and settled dirt/sludge.
2.Manual removal of algae, dirt, and sludge from tank walls, floor, and corners using nylon brushes and soft scrubbers to avoid damage to surface finishes.
3.Cleaning of fountain nozzles, pipeline network, strainers, and pumps to remove any scaling, blockages, and biological growth.
4.Checking and cleaning of lighting fixtures (if provided) in the fountain tank to ensure no algae or deposits on covers/glasse
5.Disinfection of the tank and pipelines with a 5% Sodium Hypochlorite solution or equivalent approved chemical.
6.Complete removal and transportation of sludge, debris, and waste material outside the premises as per local environmental norms. Contractor shall be fully responsible for safe disposal.
7.After cleaning, painting the cleaned date and contractor details (white letters on black background, 75 mm size) on a visible location of the fountain
8.Contractor shall arrange all labour, materials, chemicals, tools, equipment, safety gear, and transport required to execute the work all as specified and as directed by the Engineer-in-Charge. | 2.00 | Each Job |
| 5 | M&L for Cleaning of aeration tanks at MES STP and the work includes the following Services:
1.Dewatering the tank using a suitable submersible pumps/mud pumps of adequate capacity to pump out all sewage and sludge water.
2.Mechanical removal of settled sludge and solid waste from aeration tank using suction pumps, sludge pumps, jetting machines, vacuum tankers or other approved mechanical means without manual handling, complete all as specified and directed.
3.Deploying adequate skilled manpower including qualified supervisors trained in STP operation and confined space safety procedures for supervision and operation of mechanical cleaning equipment.
4.Thorough scrubbing and washing of tank walls, floor, and corners using hard nylon brushes and high-pressure jet cleaning machines to remove stains, algae, and deposits.
5.Disinfecting with a 5% Sodium Hypochlorite solution (min 50Ltrs) or other approved equivalent disinfectant for sterilization of internal surfaces.
6.Complete removal and transportation of sludge, silt, and debris to a designated disposal site outside the defence area. Disposal of sludge is the entire responsibility of the contractor.
7.After cleaning, painting the cleaned tank date in white letters on a black background (letter size 75 mm), including date of cleaning.
8.Final flushing of tank with potable water and ventilating for at least 8 hours before reuse.
9.The contractor shall arrange all materials, labour, tools, plants, chemicals, safety equipment, and transportation necessary to complete all as specified and as directed by the Engineer-in-Charge. | 1.00 | Each Job |
