Low Carbon Business Breakfast

Energy Aspects of Footprint Project

Neil Francis Buro HappoldCharles Curnock Bath Abbey 15th September 2015

Roman temple, three churches, a monastery and a convent

Community – local, national

and international

A sense of place

Footprint - what are the main needs?

• Stabilise, repair and refurbish the Abbey floor

• Use heat from the out-flow of the Roman Baths for a new heating

system

• Provide flexible seating for the nave

• Reduce the impact on the fabric of large numbers of visitors and events

• Provide the necessary support spaces and ancillary services required

by Bath’s most significant building and venue

• Improve the interpretation of the nationally significant heritage

…...detailed in the 43 page Statement of Need…….

Footprint will provide:

• Repaired floor and environmentally friendly heating and lighting within the Abbey

• Cloister style gathering space

• Rehearsal spaces for choirs & the schools’ singing programme

• Interpretation & learning facilities

• Contemporary refectory

• Retail space

• Landscaped public space

• Meeting rooms, new vestries and an administrative hub

• Modern kitchens and catering facilities

• Toilets, cloakrooms and baby changing facilities

BATH ABBEY

PAROCIAL CHURCH COUNCIL (PCC)

Chair, Edward Mason

PCC Members

Churchwardens

Clergy Team

APPEAL BOARD Chair, Colin Skellett

Jeremy Key-Pugh

Lady Evelyn Strasburger

Trevor Osborne

Matthew Butler

Margaret Roper Nick Hood

John Everitt

Richard Hall

Robert Hamilton

Valentine Morby

FOOTPRINT EXECUTIVE

Edward Mason

Charles Curnock

Laura Brown

Sue Criddle

PROJECT ADVISORY PANEL

Chair, Sir Peter Spencer

English Heritage Commissioner

Project Management Advisor

Interpretation Advisor

Head of B&NES Heritage Services

Representatives of:

Diocesan Advisory Committee

Churches Building Council

Parochial Church Council

CDM

Roy Short Gleeds

Interpretation

Consultant

to be named

Quantity Surveyor

Duncan Ball

Victoria Smith

Synergy Group -

Bare Leaning and

Bare

Structural Engineer

John Mann

Spencer Fereday

Mann Williams

Architects & Design

Team Leader

Geoff Rich

Fergus Connolly

Matt Somerville

Lee Holcombe

FCB Studios

Retail and

Catering

Consultants

to be named

M & E

Engineer

Amy Wade

Neil Francis

Simon Wright

Buro Happold

Surveyor A B Surveys

Performance

Carr & Angier

Acoustics

Fleming & Barron

Archaeology

Kim Watkins

Historic Furniture

and Architecture

Arch History Practise

Fundraising

Valentine

Morby

Lighting Designer

Mark Sutton Vane

Sutton Vane

Associates

Design

Team

Other

Consultants

STATUTORY AUTHORITIES Diocesan Advisory Committee

Church Building Council

B&NES Council

English Heritage

Georgian Group & Victorian Society

Ancient Monument Society

Society for Protection of Ancient Buildings

STAKEHOLDER GROUPS Friends of Bath Abbey

Abbey User Groups

B&NES Council

Bath Preservation Trust

Urban Regeneration Panel

Abbey Residents Association

Furniture

Designer

Luke Hughes

Energy

Carbon Catalyst

Group

35˚C

45˚C40˚C

A renewable heat source

Footprint – Building work to date

• Trial excavations – early 2011 and early 2012

• Chandeliers overhaul – early 2013

• Floor trial repair & south west entrance renewal – late 2013

Trial excavations 2011

The floor

South Aisle (TH2) South Transept (TH1)

Skidmore designed chandeliers as installed by George Gilbert Scott in about

1870

Floor Trial

Floor Trial works

Footprint – Other Energy Related Issues

• Wall & roof insulation

• Possible double glazing

• LED lighting throughout

• Possible solar panels

Kingston Buildings as existing

BATH ABBEY

PAROCIAL CHURCH COUNCIL (PCC)

Chair, Edward Mason

PCC Members

Churchwardens

Clergy Team

APPEAL BOARD Chair, Colin Skellett

Jeremy Key-Pugh

Lady Evelyn Strasburger

Trevor Osborne

Matthew Butler

Margaret Roper Nick Hood

John Everitt

Richard Hall

Robert Hamilton

Valentine Morby

FOOTPRINT EXECUTIVE

Edward Mason

Charles Curnock

Laura Brown

Sue Criddle

PROJECT ADVISORY PANEL

Chair, Sir Peter Spencer

English Heritage Commissioner

Project Management Advisor

Interpretation Advisor

Head of B&NES Heritage Services

Representatives of:

Diocesan Advisory Committee

Churches Building Council

Parochial Church Council

CDM

Roy Short Gleeds

Interpretation

Consultant

to be named

Quantity Surveyor

Duncan Ball

Victoria Smith

Synergy Group -

Bare Leaning and

Bare

Structural Engineer

John Mann

Spencer Fereday

Mann Williams

Architects & Design

Team Leader

Geoff Rich

Fergus Connolly

Matt Somerville

Lee Holcombe

FCB Studios

Retail and

Catering

Consultants

to be named

M & E

Engineer

Amy Wade

Neil Francis

Simon Wright

Buro Happold

Surveyor A B Surveys

Performance

Carr & Angier

Acoustics

Fleming & Barron

Archaeology

Kim Watkins

Historic Furniture

and Architecture

Arch History Practise

Fundraising

Valentine

Morby

Lighting Designer

Mark Sutton Vane

Sutton Vane

Associates

Design

Team

Other

Consultants

STATUTORY AUTHORITIES Diocesan Advisory Committee

Church Building Council

B&NES Council

English Heritage

Georgian Group & Victorian Society

Ancient Monument Society

Society for Protection of Ancient Buildings

STAKEHOLDER GROUPS Friends of Bath Abbey

Abbey User Groups

B&NES Council

Bath Preservation Trust

Urban Regeneration Panel

Abbey Residents Association

Furniture

Designer

Luke Hughes

Energy

Carbon Catalyst

Group

Solar Panels?

Abbey Comfort & Efficiency – Existing Situation

16-19˚C

Abbey Comfort & Efficiency – Proposed Heating Solution

Abbey Underfloor Heating Trial

35˚C

45˚C40˚C

A renewable heat source

Bath Abbey

Footprint

Roman Baths

Complex

Great

Drain

River Avon

Hot Spring Water Energy Potential

45°C

+35°C

45°C +35°C

Hot Spring Water Potential Heat Extraction Locations

2/ Hot spring water ‘open

loop’ system including

pump, filter and heat

exchanger (HX).

3/ Heat pump ‘closed loop’

including pump blending

vessel and electric heat pump

(HP).

4/ Distribution ‘closed loop’

to Abbey and other building

heating systems.

1/ Great Drain hot spring water

3-4°C temp drop with 160kW

of heat energy removed.

HPHX

150-200kW

42m3/hr

(11.7 l/s)

40-45°C

50-55°C25-35°C 20-30°C

35-40°C

Note hot spring water does not

circulate through buildings as this is

separated by heat exchanger.

Heat Extraction & Heat Pump Principle

Hot Spring Water Use Challenges

Hot Spring Water Investigations

Energy Blades ‘Closed Loop’ Heat Exchanger

Energy Blades in Great Drain in York Street

Hot Spring Water Heat Recovery Summary

Next Steps – Optimisation, Trials, Approvals….

Heat consumption

Fri 01/01/16Sun 01/11/15Tue 01/09/15Wed 01/07/15Fri 01/05/15Sun 01/03/15Thu 01/01/15

Hea

t [M

W]

0.62

0.6

0.58

0.56

0.54

0.52

0.5

0.48

0.46

0.44

0.42

0.4

0.38

0.36

0.34

0.32

0.3

0.28

0.26

0.24

0.22

0.2

0.18

0.16

0.14

0.12

0.1

0.08

0.06

0.04

0.02

0

0

50

100

150

200

250

300

350

kW

Archway Abbey Underfloor Roman Baths Footprint (Abbey Vaults) Abbey Trench Heating

We are planning far less than Gilbert Scott did.….