as per TDS
PSWSC-0958 INSTALLATION OF 104 NOS DTW-100MMX38MM WITH 1-HP SUBMERSIBLE PUMP 1000 L WATER TANK AND STRUCTURE AT BOALKHALI UPAZILA CHATTOGRAM UNDER PSWSC PROJECT BY DPHE CHATTOGRAM.IT IS TO BE NOTED THAT QUOTED BORING RATE SHOULD BE INCREASED PROPORTIONATELY ACCORDING TO THE DEPTH OF THE WELL OTHERWISE TENDERER WOULD BE CONSIDERED NON-RESPONSIVE WITHOUT ACCEPTABLE CLARIFICATION