Sindh Chief Minister Syed Murad Ali Shah has said that the construction of LBOD Syphons and Espinal Escape regulator at RD-210 has revived old and natural waterways intending to protect the lands of Badin, Mirpurkhas, Sanghar, and Nawabshah from deterioration.This he said while presiding over a meeting to review the revival of natural routes of old and natural waterways here at the CM House on Friday.
Minister Irrigation Jam Khan Shoro, Advisor to CM AhsanMazari, Chief Secretary AsifHyder Shah, PSCM Agha Wasif, Secretary Irrigation ZarifKhero and others attended the meeting. Minister of Irrigation, Jam Khan Shoro, briefed the CM, stating that the Left Bank Outfall Drain (LBOD) Syphons have been constructed to restore the natural old waterway route from DhoroPuran to ShahkooDhandh. Additionally, he mentioned the benefits of diverting the MM Drain and DigriDhoro discharge into DhoroPuran via a siphon at RD 275, connecting to HakroDhoro.
The CM said that during the heavy rainfall of 2022, PangrioDhoro posed a significant threat to the LBOD system and its vicinity. He observed that the siphon would manage the higher discharge from PangrioDhoro by diverting it into DhoroPuran, which ultimately outfalls into Shakoor Lake, thus mitigating the risk and enhancing the system’s capacity. Minister Irrigation told the CM that during monsoon 2022, the spinal gauges have risen over to its ever-maximum gauges of 2011.
The spinal was designed for passing 4600 causes, whereas at present about 12000 causes water passing through it to sea. Murad Ali Shah said that the two major breaches in PuranDhoro occurred in RD-7 & 8 on August 28, 2022, out of which the breach of RD-8 of PuranDhoro was closed on the very next day while the efforts for the closing breach of RD-7 PuranDhoro became successful at the fifth attempt.
“After the construction of syphons this issue would be resolved,” he said. Rehabilitation of LBOD Spinal Drain: Secretary of irrigation ZareefKhero told the CM that after the revival of natural Dhoras through the construction of siphons and the rehabilitation of the LBOD system, the excess load on the spinal drain will be alleviated. This will lower the spinal drain levels, providing unimpeded access to the main drains of the LBOD system, including the drainage networks of Nawabshah, Sanghar, Mirpurkhas, and Badin. The High Flood Level (HFL) of the Spinal Drain recorded in 2022 was 27.53 feet. The top level has now increased by 4 feet, reaching 31.53 feet.
