Changes

| style="vertical-align:top;" | 24. To perform night work if required || The Contractor shall carry on by night work any of the work which the Engineer may call upon him so to do without his being entitled to any additional payment for such night work.

| style="vertical-align:top;" | 30. The Company to pay as follows. || The Company shall, and in manner hereinafter mentioned, pay to the Contractor for the work done under this Contract, such prices and sums of money as are hereinafter provided.

| style="vertical-align:top;" | 31. Monthly Certificates of the work done | | The value of the works as they proceed shall be estimated every month by the Engineer and a Certificate of the amount due in respect of work done shall thereupon be granted by the Engineer to the Contractor and in granting such Certificate, the Engineer shall be at liberty, if in his absolute discretion he shall think proper so to do, to add to the amount thereof any further sum which he may think proper in respect of the value of any materials or plant brought by the Contractor on to the ground. Any assistance or labour which the engineer may require for the purpose of enabling him to make such Estimate and all stakes, posts, poles and other articles which may, in his opinion be required for setting out or taking measurements of the works, or for any other purpose whatever shall be found by the Contractor.