Siltation Study of Storage Reservoir at Ordinance Factory, Khamaria, Jabalpur, M.P. Using Hydrographic Survey System—A Case Study
摘要
The storage reservoir in Ordinance factory Khamaria (OFK), Jabalpur, M.P. is a natural pond having area of 200 m × 200 m and average depth of 4.00 m is located near Gate no. 3 in OFK campus. This storage pond has been catering to the need of water supply needed for day to day activity in the ordinance factory. The Joint General Manager, Ordinance factory Khamaria (OFK), Jabalpur, Government of M.P. requested CWPRS, Pune to work out the modalities for carrying out hydrographic survey for siltation study of their storage reservoir. The study was required for planning of desilting, digging, and augmentation of storage reservoir for enhancing their capacity. Consequently, the CWPRS team carried out hydrographic survey of storage pond located at OFK, Jabalpur in April 2022. The hydrographic survey was carried out to estimate the reservoir storage capacity and other parameters such as sedimentation and depth capacity curve. Accordingly, the hydrographic survey was conducted by using single beam dual frequency (210 and 33 kHz) echo-sounder and Differential Global Positioning System. The studies were conducted using Integrated Bathymetric System (IBS) with 10 m grid interval covering an area of 40,000 m2. For data analysis, contours of reservoir bed at 0.5 m interval, live capacity of the reservoir, and reservoir capacity of the reservoir were plotted. The analysis was carried out using software such as Hypack, Eiva-Navisoft, Surfer, [1] Google Earth, and Auto-CAD [2]. The contour @ 0.5 m interval was prepared till FRL. It was found that the present storage capacity of storage pond was 115,057.7 m3 at survey level and at maximum water level (i.e., 0.5 m more than surveyed level) it was 138,839 m3 which was found to be 13% loss in the storage capacity of the pond with respect to original storage capacity.