Derby's Street Lighting PFI Contract
Rutherford Rise, Oakwood
The equipment being removed consisted of the following items in 1997:
|Seq. No.||Lamp Number||Location||Lamp Type||Watt||Isolation Point|
|1||99916||OS NO 3||SXPL2||35|
|2||99917||OS NO 7||SXPL2||35|
|3||99918||ADJ NO 11||SXPL2||35|
The following photographs were taken on Sunday, 24th October 2010; the three outgoing columns installed on this short cul-de-sac all supported early 1980s' Thorn Beta 5 lanterns.
A small pool of green slime had gathered in the lowest part of this Beta 5's bowl.
By comparison, the Iridium is rated to IP66; in theory, this means that even strong jets of water should be unable to enter the lantern.
The second Beta 5 was in an altogether better condition. Just visible here is the internal identification label - this shows that the lantern is actually a Thorn EMI product, rather than just Thorn.
The Philips logo is visible in the centre of the Iridium's chassis.
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