PAYMENT ON INTERMEDIATE CERTIFICATE TO BE REGARDED AS ADVANCES. No payments shall ordinarily be made for work estimated to cost less then Rs. 1,000/- (Rs. One Thousand) till after the whole of the works shall have been completed and certificate of completion given but if intermediate payment during the course of execution of works is considered desirable in the interest of works, the contractor may be paid at the discretion of the Officer-in-charge But in the case of works estimated to cost more then rupees one thousand, the contractor shall on submitting the bill therefore be entitled to receive a monthly payment proportionate to the part thereof then approved and passed by the Officer-in-charge whose certificate of such approval and passing of the sum so payable shall be final and conclusive against the contractor. But all such intermediate payments shall be regarded as payments by way of advance against the final payment for works actually done and completed and shall not preclude the requiring of bad unsound and imperfect or unskillful work to be removed and taken away and reconstructed or erected or be considered as an admission of the due performance of the contract or any such part thereof, in any respect, or the accruing of any claim, nor shall it conclude determine, or affect in any way the powers of the Officer - in-charge under these conditions or any of them as to the final settlement and adjustment of the accounts or otherwise or in any other way vary or affect the contract. The final bill shall be submitted by the contractor within one month of the date fixed for completion of the work, otherwise the Officer- in-charge’s certificate of the measurement and of the total amount payable for work accordingly shall be final and binding on all parties. "A bill shall be submitted by the contractor by 15th day of each month for all works executed by him till the end of previous month less the gross amount received by him till the last previous month. This bill must be supported by records of detail measurement of quantities of all executed items of work along with true copies of record and result of all tests conducted in the previous month (date wise). The Commissioner/CMO shall take or cause to be taken the requisite measurement for purpose of having the same verified/checked by the sub Engineer/Assistant Engineer/Commissioner/CMO concern for quantity, quality and specification and examining all the "test results" and record the same in the Departmental measurement, book. Based on above record measurement bill s...