चतुरशीत्यङ्गुलो व्यामो रज्जुमानं खातपौरुषं च ॥ कZ_०२.२०.१७ ॥
caturaśītyaṅgulo vyāmo rajjumānaṃ khātapauruṣaṃ ca
Ang vyāma ay 84 na aṅgula; ito ang sukat na lubid (rajju-māna) at ginagamit din bilang pamantayang “taong panghukay” (khāta-pauruṣa).
Rope standards enable repeatable site checks; officials cannot easily inflate excavation lengths/depths to overbill the treasury.