Derby's Street Lighting PFI Contract

Wilmore Road, Sinfin

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

Seq. No. Lamp Number Location Lamp Type Watt Isolation Point
1 37281 O/S SINFIN GARAGE SXPL2 135  
2 37282 OPP SINFIN GARAGE SXPL2 135  
3 37283 O/S NEI CAR PARK SXPL2 135  
4 37284 OPP NEI BIKE SHEDS SXPL2 135  
5 37285 O/S NEI AT REAR SXP1 90  
6 37286 OPP NEI AT REAR SXP1 90  
7 37287 O/S NEI AT REAR SXP1 90  
8 37288 OPP NEI AT REAR SXP1 90  
9 37289 O/S NEI AT REAR SXP1 90  
10 37290 OPP NEI CAR PARK SXP1 90  
11 37291 O/S NEI CAR PARK SXP1 90  
12 37292 OPP NEI CAR PARK SXP1 90  
13 37293 ADJ NEI ENTRANCE SXP1 90  
14 37294 O/S EME SUBSTATION SXP1 90  
15 37295 OP SINFIN GOLF CSE SXP1 90  
16 37296 FP TO THACKERAY ST SXP1 90  
17 37297 OP GOLF COURSE SXP1 90  
18 37298 OPP GOLF COURSE SXP1 90  
19 37299 OPP GOLF COURSE SXP1 90  
20 37300 OPP GOLF COURSE SXP3 90  
21 37301 OPP GOLF COURSE SXP1 90  
22 37302 OPP GOLF COURSE SXP1 90  
23 37303 OPP GOLF COURSE SXP1 90  
24 37304 OPP GOLF COURSE SXP1 90  
25 37305 OPP GOLF COURSE SXP1 90  
26 37306 OPP GOLF COURSE SXP1 90  
27 37307 O/S ROLLS ROYCE SXP1 90  
28 37308 O/S ROLLS ROYCE SXP1 90  
29 37309 O/S ROLLS ROYCE SXP1 90  
30 37310 O/S FIELD SXP1 90  
31 37311 O/S ROLLS ROYCE SXP1 90  
32 37312 OP R/R ENTRY RD SXP1 90  
33 37313 O/S ROLLS ROYCE SXP1 90  
34 37314 OP R/ROYCE OFFICES SXP1 90  
35 37315 OPP R/ROYCE ENTRY SXPL1 90  
36 37316 O/S CASTING FACILITY SXP1 90  
37 37317 OS CASTING FACILITY SXP1 90  
38 37318 IN BUS LAY-BY SXP1 90  
39 37319 BY BUS SHELTER SXP1 90  
40 37320 O/S CASTING FACILITY SXP1 90  
41 37321 OPP CASTING FACILITY SXP1 90  
42 37322 OPP CASTING FACILITY SXP3 90  
43 37323 ON BEND/OS FIELD SXPL3 90  
44 37324 ON BEND,OS FIELD SXPL3 90  
45 37325 ON BEND, OS FIELD SXPL3 90  
46 37326 ON BEND, NR PYLONS SXP1 90  
47 37327 UNDER PYLONS SXP1 90  
48 37328 UNDER PYLONS SXPL3 90  
49 37329 NR STYLE,U/N PYLON SXPL3 90  
50 37330 B/H CRASH BARRIER SXPL3 90  
51 37331 AftER LEVEL XING SXPL3 90  
52 37332 O/S FARM SXPL3 90  
53 37333 OS FARM, U PYLONS SXPL3 90  
54 37334 OS FIELD, NR PYLON SXPL3 90  
55 37335 O/S FIELD, BY PYLON SXPL3 90  
56 37336 O/S FIELD, NR GATE SXPL3 90  
57 37337 O/S FIELD SXPL3 90  
58 37338 O/S FIELD SXPL3 90  
59 37339 O/S FIELD SXPL3 90  
60 37340 BEFORE RND-A-BOUT SXPL3 90  
61 102928 JUNC SINFIN LN FL 11  
62 102929 JUNC SINFIN LN FL 11  
63 102930 JUNC VICTORY RD FL 11  
64 102931 JUNC VICTORY RD FL 11  

The following photographs were taken on Sunday, 27th March 2011.

Wilmore Road was lit in two phases - the first is documented in the following video:

The second is pictured below:

Numerous overhead high voltage electricity transmission lines exist at the Merrill Way end of Wilmore Road. Owing to the close proximity of these lines to the street lighting apparatus, most of the new columns are base-hinged, in order to allow maintenance on the lanterns to be undertaken from ground level. The columns around the Victory Road roundabout are only 5 m in height; anything taller would not leave sufficient clearance between the lantern and the lines.

 
 
 

The outgoing columns here were 8 m in height, and mostly supported integrally-geared Philips MA 90 90 W SOX lanterns. Not all of the new columns are hinged or are of a truncated height, as this 10 m unhinged column proves.

 
 
 

 

The new lanterns run 150 W SON-T lamps.

 
 

 

An identical setup existed for the next installation, although the old and new columns are spaced more closely together here.

 
 

 

A close-up of the two lanterns reveals that a bowl clip is not fastened on the MA 90, and a Philips-made lamp is employed in the Iridium.

 
     

 

The following new installation marked the end of "standard" column use, as the overhead lines again came into close proximity with the lighting.

 
 

 

At least this MA 90's bowl is fully secured!

 
 

 

While the outgoing columns remained at 8 m in height, the new columns are now 6 m. Incidentally, the outgoing columns along here date from 1971, and originally supported Atlas/Thorn Alpha 3 MBF lanterns but may later have supported GEC Z9454 90 W SOX lanterns.

 
 
 
 

 

The Iridium's optics are such that additional bracketry (to locate the lighting centre correctly) is not required.

 
 

 

These Iridiums each run 100 W SON-T, and incorporate flat glass covers; possibly as a way of reducing glare. I happened to pass by the columns while the lanterns were being fitted, the day before these photographs were taken. Unusually, GE-made SON lamps are employed here; at least this will prevent the column hinge mechanisms from seizing up...

 
     

 

The difference in column height is clearly demonstrated below:

 
 

 

The new lanterns were not yet operational at the time of photographing.

 
 

 

The inside of this MA 90 looked particularly grubby.

 
 

 

Looking back along the installations, we can see that each of the new hinged columns is spaced about halfway between two outgoing columns.

 
 

 

This Thorn Alpha 4's canopy looked somewhat weathered.

 
 

 

One final comparison photograph of an MA 90 and its replacement.

 
 

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