Section 3(3)(xix) in The Punjab State Agricultural Marketing Board (Engineering Wing) Execution of Works Rules, 1979
(xix)[ to ensure that the work of all field surveys, levelling, collection of field data, etc. required for the preparation of estimates for works is carried out by the Sectional Officer or the Assistant Engineer correctly and proper checks are exercised by different officers in the field and otherwise to ensure the accuracy of the date on which the estimates are based ; and [See Legislative Supplement Part III dated 23rd June, 1989.]