According to official sources, 5,000 PDFs are ready to be moved currently and the number is set to increase once the financial and compensation obligations are met by the government.
The process began with the removal of the temporary bund at the approach channel to divert water from the river.
The secretary also reviewed the preparatory measures being taken by the state for the ensuing flood season.
Jagan asks officials to visit New Delhi, says govt sanctioning money in advance despite financial difficulties as it is a high priority project
The approach channel, the spill channel and the pilot channel are also being readied for diversion of floods.
The officials said that each power pack unit could be used to operate two radial gates.
In 2020-21, the budge estimate was Rs 4,804 crore and the revised estimate at end of the fiscal stood at Rs 1,328 crore.
The technical evaluation of the bids will be done on Wednesday, followed by commercial/financial evaluation on Wednesday before going for reverse tendering, the officials said.
An interdepartmental meeting, to be chaired by chief secretary Aditya Nath Das, is likely to be held shortly to review the land acquisition, rehabilitation and resettlement (LARR) aspects.
It said that judicial interpretation was needed to see if acquisition of additional land for the dump yard meant change in scope of the project.
A senior official said that the works in reach three in the upstream will be launched after the water from Sileru, which is a supply for Godavari delta, is stopped for a brief period.
Officials say works worth Rs 799 crore were added to scope due to changes in designs
It approved Rs 7,192.02 crore as against the earlier approval (Sept 8, 2016) of Rs 5,535.41 crore.
After incorporating necessary modifications, the department will float the tender for the works with an estimated cost of Rs 683 crore.
According to information, about 50 per cent works of the 12,963 houses sanctioned are completed.