पांसुशेषेण वास्तुच्छिद्रं राजभवनं वा पूरयेत् ॥ कZ_०२.३.०६ ॥
pāṃsuśeṣeṇa vāstucchidraṃ rājabhavanaṃ vā pūrayet
With the remaining excavated earth, he should fill any gaps/voids in the building-site—or (low areas around) the royal residence.
Efficient public-works administration: minimize waste while simultaneously reducing vulnerabilities (depressions, voids, weak points) near critical assets.