This drawing represents a steel support structure for four elevated water tanks, each with a capacity of 2000 liters. The design ensures the tanks are securely elevated to allow gravity-fed water distribution, while maintaining stability and safety. The structure uses different sizes of square and rectangular hollow steel sections to provide strength, durability, and ease of fabrication.
Detailed Explanation
1. Overall Structure and Purpose
The frame is built to support 4 × 2000 L water tanks at a total capacity of 8000 liters (8 m³), which weighs around 8 tons when filled with water, not including the structure's own weight. Elevating the tanks allows for water pressure through gravity without the need for continuous pumping. The design incorporates a ladder for maintenance access and a top platform with guardrails for safety.
2. Material and Pipe Specifications
The main load-bearing members are square steel pipes 4"×4", providing strong vertical and horizontal support. The rectangular 4"×2" pipes are used where less load is applied but stiffness is still required, such as platform beams. Square 2"×2" pipes are used for secondary supports like railings and braces, optimizing weight and cost without compromising safety. All material is specified as SS400, a common structural steel grade with good weldability and strength.
3. Dimensions and Height Layout
Base Width: 3100 mm (outer dimension), 2900 mm (inner frame dimension).
Total Height: 7550 mm from ground to top guardrail.
Tank Platform Height: 6000 mm from ground, made up of 3000 mm lower frame + 3000 mm mid-frame, with a 550 mm base clearance from the ground.
Guardrail Height: 1000 mm above platform.
4. Structural Design Features
Cross Bracing: Diagonal members between vertical supports ensure lateral stability against wind and seismic loads.
Ladder Access: Welded steel ladder fixed to one side, providing access to the platform for inspection and cleaning.
Platform Decking: Steel members arranged to support tank bases evenly and distribute load to the main frame.
Guardrails: Installed on all sides of the platform to prevent falls during maintenance.
Short Summary:
This is a steel elevated water tank stand designed to hold four 2000 L tanks at a height of 6 m for gravity-fed water supply. Built with 4"×4", 4"×2", and 2"×2" steel pipes (SS400), it features cross-bracing for stability, a ladder for maintenance, guardrails for safety, and precise fabrication tolerances. The design supports over 8 tons of water plus the structure’s own weight, ensuring strength, durability, and ease of maintenance.
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