शासकनिर्यामकदात्र रश्मिग्राहकोत्सेचकाधिष्ठिताश्च महानावो हेमन्तग्रीष्मतार्यासु महानदीषु प्रयोजयेत्क्षुद्रिकाः क्षुद्रिकासु वर्षास्राविणीषु ॥ कZ_०२.२८.१३ ॥
śāsakaniryāmakadātra raśmigrāhakotsecakādhiṣṭhitāśca mahānāvo hemantagrīṣmatāryāsu mahānadīṣu prayojayet kṣudrikāḥ kṣudrikāsu varṣāsrāviṇīṣu
Large boats, staffed with an overseer, a pilot/steersman, oarsmen (or handlers), rope-handlers, and bailers, should be operated on great rivers in winter and summer; smaller boats on minor rivers and on rain-swollen streams during the monsoon.
It codifies operational accountability and safety functions (steering, securing, dewatering), reducing accidents and improving service reliability.
To match vessel capacity and risk controls to hydrological conditions—an early form of season-based infrastructure governance.