Subject: WATER TANK CLEANING AND DISINFECTION Dear Sir, Reference to the above mentioned subject, we are pleased to quote the rates for your kind consideration and approval. Water Tank Cleaning And Disinfection (Main Over-head and Ground Tanks) : Rs............? Per Cubic Feet (will be quoted on request) Water Tank Cleaning And Disinfection (Domestic and small Water Tanks) : Rs............? Per Cubic Feet (will be quoted on request) PAYMENT SCHEDULE · 25% at the time of order · 75% after completion the job PROCESS OF WATER TANK CLEANING AND DISINFECTION Removal of sediments. Physical cleaning of water tanks. Physical cleaning of walls/beds (with wire brushes). Cleaning of Tanks with plain water. Chlorination of all walls/beds. Disinfection of all walls/beds. Will be left for one hour for dry out. CHEMICAL USED (Mixer) Alum Chlorination Sodium Hydro-oxide Potassium Per Magnate (if available) We are available 9 am to 9 pm for any further assistance/ clarification w