| SR.NO | COMPARISON PARAMETERS | ZINCALUM STEEL WATER STORAGE TANKS | CONCRETE WATER TANKS |
|---|---|---|---|
| 1 | EXPECTED LIFE | 50 TO 60 YEARS | 20 YEARS |
| 2 | WATER LEAKAGE | ZERO LEAKAGE OR WASTAGE. | SIGNIFICANT WATER LOSS DUE TO CRACKS. |
| 3 | COST OF CONSTRUCTION | ECONOMICAL (1/6TH TO 1/10TH THE PRICE OF EQUAL CAPACITY CONCRETE TANK) | EXPENSIVE |
| 4 | INSTALLATION TIME | 500,000 LITER STEEL TANK NEEDS 7 DAYS TO BE MANUFACTURED 5 DAYS TO BE INSTALLED. | 500,000 LITER CONCRETE TANK NEEDS 60TO 80 DAYS FOR CONSTRUCTION AND CURING. |
| 5 | CIVIL FOUNDATION | LIGHT WEIGHT TANKS, CAN BE PLACED EASILY AS OVERHEAD TANKS, ON ROOF, IN THE BASEMENT OR UNDERGROUND ON SIMPLE AND ECONOMICAL RING BEAM FOUNDATION. | EXPENSIVE AND TIME-CONSUMINGCIVIL FOUNDATION. |
| 6 | LABOUR COST | ONE SUPERVISOR AND 6 UNSKILLED LABOR CAN INSTALL A 500,000 LITER STEEL TANK IN 5 DAYS. | LARGE TEAM OF LABORS REQUIRED FOR APPROXIMATELY 60 TO 80 DAYS. |
| 7 | TRANSPORTATION COST | ECONOMICAL DUE TO LIGHT WEIGHT AND MODULAR / BOLTED STRUCTURE. | NOT APPLICABLE, ALTHOUGH RAW MATERIAL TRANSPORTATION ATTRACTS SIGNIFICANT COST. |
| 8 | MAINTENANCE / REPAIR | EASILY REPAIRABLE, MODULAR/ BOLTED STRUCTURE. | DIFFICULT TO REPAIR CONCRETE CRACKS, INEEFCTIVE. |
| 9 | RELOCATION | CAN BE RELOCATED / SHIPPED EASILY IN TERMS OF STEEL SHEETS AFTER UNBOLTING. | RELOCATION IS NOT POSSIBLE. |
| 10 | FLEXIBLE CAPACITY | CAPACITY CAN BE INCREASED OR DECREASED AT ANY POINT OF TIME EASILY, DUE TO MODULAR / BOLTED STRUCTURE. | DIFFICULT TO INCREASE OR DECREASE CAPACITY. |
| 11 | RETURN ON INVESTMENTIF SCRAPPED | IF SCRAPED, HAS RETURN VALUE ON STEEL OR CAN BE RE-SOLD. | NO RETURN VALUE ON SCRAP, CAN’T BERE- SOLD. ATTRACTS EXTRA COST TO BE SCRAPPED. |
| 12 | STRUCTURE | HIGH TENSILE STEEL STRUCTURE FITTED WITH PVC/EPDM INSIDE LINER/MEMBRANE, WATER AND STEEL HAVE NO DIRECT CONTACT. | HEAVY CONCRETE STRUCTURE AND WATER AND CONCRETE WALL HAVE DIRECT CONTACT. |
| 13 | CONTAMINATION | NO CHANCE OF CONTAMINATION, WATER IS STORED INSIDE EPDM/FOOD GRADE CHEMICALLY STABILIZED LINER, WATER AND STEEL HAVE NO DIRECT CONTACT. | HIGH CHANCE OF CONTAMINATION, WATER AND CONCRETE WALL HAVE DIRECT CONTACT. |
| 14 | DAMAGE / CRACKS | MOVEMENT OF HEAVY VEHICLE NEREBY OR EARTH MOVEMENT MAKES NO DAMAGE. | MOVEMENT OF HEAVY VEHICLE NEREBYOR EARTH MOVEMENT MAKES CRACKS. |
| 15 | VARIABLE PROJECT COST | SUPPLY ON PRE-DECIDED COST | LONG CONSTRUCTION TIME, WEATHER, INCONVENIENT CONSTRUCTION AREA INFLUENCE THE COST. |
The tank's design is determined by its intended use, size, and capacity. The tank must also meet the relevant standards and regulations.The tank's construction material is selected based on factors such as cost, durability, and resistance to corrosion.The tank's components are cut and shaped according to the design using tools such as saws and shears.The components are welded together to form the tank's body. This process requires skilled welders and specialized equipment.The tank's interior and exterior surfaces are coated with a suitable material to prevent corrosion and prolong its lifespan.The tank is tested to ensure it meets the required standards and can withstand its intended use.The tank is transported to the installation site and installed according to the manufacturer's instructions.
Select a location that is flat, stable, and capable of supporting the weight of the tank when its full of water. Ensure there is enough clearance around the tank for easy maintenance and access. Prepare a level and stable foundation for the tank. This may involve clearing the area of debris, leveling the ground, and adding a layer of sand or gravel to ensure even weight distribution.Carefully position the tank on the foundation, ensuring it's level and stable. Use suitable lifting equipment and follow the manufacturers instructions.Install the inlet and outlet pipes and connect them to the tank. This may involve drilling holes in the tank and using suitable fittings to ensure a watertight.Install the overflow pipe to ensure excess water is safely directed away from the tank.Once the system is tested and fully operational, backfill the foundation around the tank and compact the soil to ensure the tank remains stable and level.
Clear the site of any debris or obstacles and ensure that the ground is level and stable. The site should also be easily accessible to construction equipment. Use a crane or other lifting equipment to lift the tank components and place them in the appropriate position. Follow the manufacturers instructions for lifting and handling the components to ensure safety.Once the components are in place, assemble the tank using bolts or welding. Follow the manufacturers instructions for proper assembly, and ensure that the tank is level and plumb.Install any necessary accessories, such as ladders, platforms, and fittings. Make sure that they are securely fastened and properly aligned.Apply a suitable coating to protect the tank from corrosion and prolong its lifespan. Follow the manufacturers instructions for applying the coating, and ensure that it is evenly applied.
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