as per PPR-2025(Updated) and as per TDS.
PSWSC.-983 Installation of 67 Nos 38mm dia Shallow Tube-well with No.6 Hand Pump, 80 Nos Shallow Tubewell (100mm*38mm) with Submersible Pump and 20 Nos (75mm*38mm) dia Shallow Tara Tube well (Non-Extractable) at Different Upazila in Cox's Bazar District Under Project for Safe Water Supply Through Out The Country of Department of Public Health Engineering.