Rain Water Harvesting Project for DACOE Campus

Abstract

This abstract details a rain water harvesting project implemented in DACOE Campus designed to enhance water security and sustainability. The project focuses on collecting rainwater from the rooftops of main college buildings, non construction area and directing it to a storage tank for later use, primarily for gardening and other utility purposes. The project aims to reduce reliance on groundwater, conserve water resources, and promote sustainable water management practices. We use advanced technology such as drone, total station, GIS software to conduct survey of DACOE college campus for making contour map for finding reduced level of campus to know the cross drainage for layout of the pipe and to know the location of water tank. We decide parking area as a location of water tank by using survey map. The topography of DACOE campus has steep slope. Hence, we collect rainwater near the parking. The soil in campus is rocky in nature. So, constructing water tank near parking area for capacity of 10 lakh liter with construction cost 3 lakh RS. This project will be useful to fulfil the water demands in dry period and to make sustainable use of water resource. This stored water can fulfil the demands.

Introduction

1. Project Overview

The project involves implementing a rooftop rainwater harvesting system at DACOE, Karad, to address seasonal water scarcity, recharge groundwater, and provide a sustainable water source for non-potable uses such as construction and gardening.

2. Project Objectives

• Calculate catchment area of the DACOE campus

• Estimate rainwater harvesting potential and water demand

• Design and construct a storage tank

• Enhance groundwater recharge and reduce dependence on surface water

• Store water for future use

3. Methodology

• Rainfall data collected from the Meteorological Department

• Topographical and total station surveys to measure catchment areas

• Catchment area calculated:

  • Constructed area: 12,792.07 m²

  • Non-constructed area: 22,819 m²

• Water collection calculations based on:

  • Rainfall: 200 mm annually

  • Roof runoff and evaporation coefficients applied

4. Water Harvesting Potential

• From constructed areas: ~912,760 liters annually

• From non-constructed areas: ~1,739,721 liters annually

• Total potential: ~2.65 million liters/year

5. Water Demand (for 1,580 people)

• Daily demand: 76,680 liters/day

• Public use target: 10% = 7,668 LPCD

• 6-month water need (public use): ~1,380,240 liters

• Planned storage capacity: ~700,000 liters

6. Water Tank Design

• Volume: 700 m³

• Dimensions: Height = 5.2 m, Diameter ≈ 14 m

• Includes freeboard of 0.2 m for overflow prevention

7. Site Survey

A contour map of the campus was generated using drone surveying for accurate planning and tank placement.

Conclusion

Hence, conclusion can be made saying that this study mainly on the designing of the rooftop rainwater harvesting structures for the campus of DACOE by the adoption and installation of the system or structure the water source could be increased that mainly facilitates in fulfilling the water needs demands for various utilizations in the campus area. The design of tank for rainwater harvesting systems is been carried or its adoption are been done since ancient times. The technique is simple but it very much fulfill done is or demand of the scarcity of water. Hence the adoption and installation of this technique of Design of tank for Rain water harvesting system place a vital role.

References

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Copyright

Copyright © 2025 Gauri Kadam, Simran Mulani, Pradnya Salunkhe, Chaitrali Sawant, Samruddhi Shewale, Prof. M. B. Kumtekar. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.