11.—(1) The person responsible for work on the building or construction where a lift is to be installed and the installer of the lift shall—
(a)keep each other informed of the facts necessary for, and
(b)take the appropriate steps to ensure,
the proper operation and safe use of the lift: in particular it shall be ensured that shafts intended for lifts do not contain any piping or wiring or fittings other than that necessary for the operation and safety of that lift.
(2) Where, in the case of a lift, for the purposes of regulation 8(2)(b) the appropriate conformity assessment procedure is one of the procedures set out in regulation 13(2)(a), (b) or (c), the person responsible for the design of the lift must supply to the person responsible for the construction, installation and testing all necessary documents and information for the latter person to be able to operate in absolute security.
(3) A copy of the declaration of conformity referred to in regulation 8(2)(d) or 9(2)(d) shall—
(a)in the case of a lift, be supplied to the Commission, the member States and any other notified bodies, on request, by the installer of the lift together with a copy of the reports of the tests involved in the final inspection to be carried out as part of the appropriate conformity assessment procedure referred to in regulation 8(2)(b); and
(b)be retained, by the person who draws up that declaration, for a period of 10 years—
(i)in the case of a lift, from the date on which the lift was placed on the market; and
(ii)in the case of a safety component, from the date on which safety components of that type were last manufactured by that person.