Derby's Street Lighting PFI Contract

Chartwell Drive, City Centre

The equipment being removed consisted of the following items in 1997:

Seq. No.	Lamp Number	Location	Lamp Type	Watt	Isolation Point
1	97142	O/S MERTRUX	SXPL2	90
2	97143	O/S MERTRUX	SXPL2	90

The following photographs were taken on Saturday, 13th November 2010:

The two outgoing columns on this short road ended their days with GEC Z9464 90 Watt SOX lanterns fitted. However, I believe that alternative lanterns (possibly Thorn Alpha 1s) were fitted when new. The columns are probably made to an imperial height, as they are definitely taller than an 8 m column (and a 25 ft column, for that matter), so are probably 30ft in height - about 9 m in "modern money".

The lanterns are fitted with their own photocells, meaning that the original column-mounted cells have lain disused since the Z9464s were fitted. In the case of this installation, the older photocell appears to be a 1970s' Fisher Karpark SS9 part-night device.

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