Derby's Street Lighting PFI Contract

Cumbria Walk, Mickleover

Columns being removed on this footpath were:

Seq. No. Lamp Number Location Lamp Type Watt Isolation Point
1 60377 OS NOS 3/5 SXPL3 35  
2 60378 OS NO 11 SXPL3 35  
3 60379 OS NO 33 SXPL3 35  
4 60380 OPP NO 40 SXPL1 35 Y - Isolates 60381
5 60381 REAR NO 21 SXPL3 35  
6 60382 REAR NOS 347/349 SXPL3 35  
7 60383 SIDE NO 351 LADYBANK RD SXPL3 35  

One particular Thorn Gamma 6 on this network of footpaths is fitted with a half blacked-out bowl. I am not sure whether this is an in-service modification, or whether this type of bowl was available from Thorn. The design of the Gamma 6 is not particularly suited to narrow footpaths, as the majority of the light output ends up being cast into neighbouring gardens and windows. This has obviously caused discomfort for the resident whose property stands adjacent this column, and so the blacked-out bowl has been fitted in order to try to reduce light trespass entering through the windows. (This resident is particularly unlucky, as another column (both outgoing and new) stands right outside the front of their property as well! However, the outgoing lantern here is a Philips XGS 103, albeit with the front of the bowl (facing the property) sprayed black!) Occasionally, after being repaired, the Gamma 6's bowl would become slightly out of line, causing the light to shine once again through the windows - this was always quickly rectified!


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