23.1 Maintenance
The Contractor shall ensure on a continuing basis that at all times its maintenance and operating procedures are sufficient to ensure that:
23.1.1 the Services are continuously available in accordance with the Output Specification;
23.1.2 it can maintain the design intention of the Dwellings [and Properties] to achieve their full working life [as set out in the Output Specification] for the duration of the Contract Period;
23.1.3 [the Dwellings [and Properties] are kept in good structural and decorative order (subject to fair wear and tear) [in accordance with the Output Specification]]182
23.1.4 the Dwellings [and Properties] are handed back to the Authority on the Expiry Date, or if earlier on a Termination Date, in a condition complying with the Handback Standard.183
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182 The need for this clause will depend upon whether this issue is adequately dealt with by the Output Specification and payment mechanism.
183 This sub-clause will not be relevant in non-HRA projects whether the Contractor owns and operates the Dwellings.