(i) the estimated revenues of the project or the monies of the corporation will be sufficient to cover all probable costs of operation and maintenance, all fixed charges and operating reserves and depreciation reserves if any;
(ii) the plans and specifications conform to the requirements of all laws applicable thereto and assure light, air, sanitation and fire protection;
(iii) the project is in conformity with an approved urban renewal plan, as defined in article fifteen of the general municipal law.