Introduction – Project and Partners Background – Steve Poole Funding (E.On) – Rupert Butt ...

Nottingham Royal Concert

Hall

Introduction – Project and Partners Background – Steve Poole

Funding (E.On) – Rupert Butt

Design Challenges (DES) – Paul Fisher

Project Hardware (Projection) – Steve Poole

Outcome – (NRCH) – Dave Guy

Facts and Figures (Projection) – Steve Poole

Conclusions and Questions

Nottingham Royal Concert Hall

Background◦ Project Scope

Replace existing Tungsten light source with LED Retain the existing lighting points Recreate exactly the same lighting feel Compatible with existing DMX control system Seamless dimming to zero Viable ROI


A program of works where the capital cost is recovered through energy savings which are guaranteed by E.ON

£

£

£

£

£

£

£

£

£

Imp

lem

en

tati

on

costs

(in

cl.

fi

nan

cin

g)

Ongoing

savings

Guaranteed savings period

Guaranteed savings

p.a.

Savings in the early

years repay the

initial capital

investment thereby limiting

client risk

Client net

benefit

Energy Performance Contracting

Nottingham Energy Performance Contract • E.ON secured a contract under the RE:FIT Framework

to deliver an EPC for Nottingham City Council.

• £1.2M Investment to deliver a 26% energy saving

across 8 buildings, including Leisure Centres, Care

Homes and a Sports Stadium.

• All savings guaranteed for 7 years in order to pay back

the original investment.

• One of the 8 Buildings is the Royal Concert Hall.

Design Challenges (DES)◦ The issues that needed to be resolved

Sourcing suitable product Existing light fittings

Consistent and effective dimming Control interface The building Emergency Lighting Commissioning


Design Challenges (DES)


Existing Fittings (High Level) 300W Par Lamps

Design Challenges (DES)


The Building

Project Hardware – AlphaLED


◦ High Level Lighting (20m+ Height)

60 x Bespoke fittings created Mechanical Interface

2700 CCT – To match tungsten “feel”

3000Lm 28° Beam For punch and penetration. Replaced 300W R95 lamps

Project Hardware – AlphaLED


◦ Low Level Lighting

458 Down lighters Across 4 levels.

2700 CCT Match tungsten feel 700lm @ 11.5 TCW. Replaced 75W Lamps

AlphaLED Attributes◦ Initial Colour Consistency

1 x 2 step SDCM specification. Consistent wall washing

◦ Colour Consistency Guaranteed No colour shift over life (5 years, 50,000 hrs)

◦ Low Lumen Depreciation L95 50,000 hrs capability


Control Gear◦ DMX Capable – Dim to Zero Light level

EldoLED Powerdrive.


Nottingham Royal Concert Hall• Outcome – Theatre Prospective

• LED/energy saving houselights and dimming, the bottom 10%

• Maintenance and consumable savings (700 bulb changes a year previously)

• Audience reaction to the change

Facts and Figures


Nottingham Royal Concert Hall - Energy Usage

Power (W) Qty Total W Total kW

Existing Fittings / Lamps Removed

300W Par 56 300 60 18000 18

75W R95 75 458 34350 34.35

Total 52.35

New AlphaLED Product Installed

Bespoke Atrium 28 Deg Beam

3000lm CRI80+ 2700K 46.1 60 2766 2.766Atrium with astral bezel

700lm CRI80+ 2700K 11.5 458 5267 5.267

8.033

KW Saving 85% saving 44.317

Facts and Figures◦ The comparison is made assuming the lighting is

used in the same way as the existing lighting.


In Use Energy Consumption kW Hrs / Day No Days Total Kwh

Existing 52.35 14 345 252850.5

New Lighting 8.033 14 345 38799.39

Kwh Saving 214051.11

Use control for further energy savings◦ Tungsten to LED – saves 85% energy

Further energy Savings are possible:◦ LED with DMX allows for various dimming profiles◦ Set 100% for Theatre Customer use◦ Set 65% for cleaning◦ Set 50% at other times

◦ These are examples only


Possible to double the saving

◦ Don’t forget to consider use and control


In Use Energy Consumption kW Hrs / Day No Days Total Kwh

Existing 52.35 14 345 252850.5

New Lighting 100% Level 8.033 4 345 11085.54



Total 14 27021.00

Kwh Saving 225829.50

Additional Saving with dimming profile 187030.11

Original Saving 214051.11

Total saving 401081.22

Conclusions◦ Substantial Energy Savings are possible◦ Light Quality can be matched◦ Day to day maintenance eliminated◦ Further substantial savings with controls◦ Hardware guaranteed 5 years 50,000hrs


Any questions ?Thank You


AlphaLED

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Introduction – Project and Partners Background – Steve Poole Funding (E.On) – Rupert Butt ...

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