In the event Westview requires design of any Section of the Works either fronting on Genstar's lands or on Genstar's lands, Westview will so advise Genstar in writing, prior to Proceeding with such design. Genstar Works as outlined by Westview in writing and Genstar construction drawings Satisfactory to the City for such Section of the Works. In the event Genstar has not so for the Purpose of obtaining the required survey and other relevant engineering design information. Genstar Payment of the same to Genstar. Westview will be entitled to recover any and all monies so expended as Provided in clause 4 Of this Agreement. tn the event the consulting engineer employed by Genstar does the consulting engineer, Providing proof of Payment of the same to Westview. Genstar will be entitled =o recover monies sO expended as Provided in clause 3 << this Agreement. If work performed in accordance with this responsibility of Genstar to pay for such work. Similiarly, if work berformed in accordance with this Paragraph is for the sole benefit of Westview, it is the responsibility of Westview to Pay for such work. All engineering design costs associated herewith shal] be reasonable and determined on the following basis for Clauses 1.6, 1.7, and 1.8: (a) engineering design costs will be 3 and 1/2% of the applicable Construction costs; and