Derby's Street Lighting PFI Contract

Lexington Road, Chaddesden

The table below details the lighting along this road as it appeared in 1997.

Seq. No. Lamp Number Location Lamp Type Watt Isolation Point
1 107199 JUNC WINSLOW GR N/A N/A Y
2 107200 OPP SANDERSON RD N/A N/A Y
3 30049 CORNER WINSLOW GRN SXPL2 90  
4 30050 O/S 2/4 SXPL2 35  
5 30051 O/S 7 SXPL2 35  
6 30052 O/S 14/16 SXPL2 35  
7 30053 O/S 25 SXPL2 35  
8 30054 O/S 22 SXPL2 35  
9 30055 O/S 28/30 SXPL2 35  
10 30056 O/S 33/35 SXPL2 35  
11 30057 O/S NOS 43/45 SXPL3 35  
12 30058 O/S 42 SXPL2 35  
13 30059 O/S 71 SXPL2 35  
14 30060 OPP SANDERSON ROAD SXPL2 35  
15 30061 O/S NO 89 SXPL3 35  
16 30062 NEAR NOS 97/99 SXPL3 90  
17 30063 O/S 101 SXPL2 35  
18 30064 CNR LEWISTON RD - NO 103 SXPL2 35  
19 30065 NEAR 107 SXPL2 35 Y
20 30066 O/S KINGFISHER SXPL2 35  
21 106174 O/S KINGFISHER P.H. T 60  

The following photographs were taken on Monday, 7th May 2018.

Thanks to the majority of the above columns supporting 35 W SOX lanterns being replaced with new 6 m columns supporting Thorn Beta 2 55 W SOX lanterns after the above list was produced, the lighting stock along this road was considered too new to warrant replacement under the main PFI work. Amazingly, a much older 8 m column in the section (30049) supporting a Thorn Alpha 1 90 W SOX lantern not only managed to escape replacement for this reason, but was repainted into the standard dark blue of all columns installed as part of the PFI in 2018.

 

The installation is typical of how Derby's Alpha 1s were installed, with the photocell mounted remotely from the lantern, on top of the bracket, in order to simplify the wiring along the length of the bracket outreach. The photocell is a Royce Thompson SC1000/SAV 35 Lux photocell, employed on many Derby installations from 2010 onwards.

 

The lantern's supposedly-sealed 'Opticell' unit shows signs of dirt and water ingress.

 

The fresh coat of paint has done much to make the base of the Stewart & Lloyd column appear far newer than it actually is.

 

A crack is visible at the front of the lantern, which may be the reason for the Opticell no longer being sealed. The sunlight also reveals painted-over rust patches along the length of the bracket.

 

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