Local Philips 'Iridium' SGS 252/3/4s.

The Iridium first appeared here in 2002 when a length of St Alkmund's Way was refurbished as part of the 'Connecting Derby' scheme. These used 250 W SON-T lamps but since then, other wattages have appeared; from 70 W-150 W SON and CDM and more recently with various CPO-TW 'Cosmopolis' Lamps as a result of Derby's street lighting PFI. Both side-entry and post-top examples are used. The related "Mini" Iridium can also be seen in Derbyshire; click here for details.

This Iridium running a 45 W CPO-TW lamp has been retrofitted to a DW Windsor 'Oxford' heritage column on a footpath in Markeaton Park - previously a somewhat vandalised DW Windsor 'Windsor' lantern had been fitted - this was more in-keeping with the style of the column! A blue-cone Royce Thompson SC1000 is employed here.

West Drive in Mickleover saw the installation of Iridiums running 60 W CPO-TW lamps in 2006.

'Cosmo' Iridiums are being installed in Mackworth Village as well now - these columns originally supported Thorn Beta 2s. An article regarding the previous lanterns (and the previous lanterns to them!) can be read here.

These post-top CDM-TT Iridiums were used to relight Onslow Rd in Mickleover in early 2003. The previous lighting consisted of various 35 W SOX lanterns on sleeved concrete columns.

Onslow Road at night.

 

Cosmopolis Iridiums have also been trialled in the wider County of Derbyshire - this 140 W example is in Grassmoor.

This Iridium is on St Alkmund's Way - just beside the bridge supporting the A6.

This installation is just around the corner from the previous one however a longer bracket is employed due to the wide pavement below.

For many pictures of Iridiums installed under the Derby Street Lighting PFI, click here.


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