Derby's Street Lighting PFI Contract

Brick Street, City Centre

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

Seq. No. Lamp Number Location Lamp Type Watt Isolation Point
1 98407 OS NO 15A SXPL2 35 Y
2 24716 OS NO 5 SXPL2 35  
3 24717 OS NOS 10/11 SXP2 135 Y
4 106429 JUNC FRIAR GT FL 8  
5 106430 SPLT JUNC FRIAR GT FL 11  
6 106431 SPLT JUNC FRIAR GT FL 8  
7 106432 SPLT JUNC FRIAR GT FL 11  

The following photographs were taken on Sunday, 7th August 2011:

A 10 m column supporting a Thorn Alpha 4 135 W SOX lantern was first from Friar Gate. The replacement 6 m column here is dwarfed by its taller outgoing equivalent!

     

Happily, the Alpha 4 was saved, and now resides in another collection.

The replacement Iridium runs a 60 W CPO-TW lamp.

 

The next new column was installed opposite the next outgoing column.

 

 

A top-entry Thorn Beta 5 35 W SOX lantern was attached to this column.

 

Although a NEMA photocell socket was fitted to this lantern, it had been blanked off, out of use.

 

The final new and old columns on this road returned to being installed alongside each other. The Beta 5 was dayburning at the time of photographing.

 

Again, this lantern featured a disconnected NEMA socket; suggesting that both this and the previous installation were group-switched from elsewhere.

 

The new lighting is individually switched, however. One of the two grub screws used for securing this lantern to the column either appeared to be missing entirely, or had been screwed against nothing but thin air.

 

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