4.1 Subject to Condition 3.1 the Company will supply the Services to the Client in accordance with:
4.1.1 any services Specification set out in the Quotation;
4.1.2 any operations and maintenance manuals included in the Quotation; and
4.1.3 reasonable care and skill.
4.2 The Company will use reasonable endeavours to provide the Services on the estimated performance date set out in the Quotation, but time for provision of the Services will not be of the essence. Any performance dates given by the Company are estimates only.
4.3 The Company reserves the right, as it determines in its sole discretion, to make an improvement, substitution or modification to any element or part of the Services at any time provided that such improvement, substitution or modification will not have a material detrimental impact on the Services.