The document provides details of the construction project for a new data centre in Hayes, London, including: - The project will construct two five-story buildings and an electrical substation covering a total area of 236,806 square feet. - Key milestones include starting construction on July 4th, 2022 and completing the first 6MW phase by the end of 2023. - The scope of work for phase one includes civil works, MEP works, installing special equipment, and obtaining utility connections. - Drawings are provided outlining the proposed layout and works to be completed on each level of the main building.

1. Colt Hayes
Planning Approach
Vo 220121

2. Salient Features
Description Remarks
Project ID 281528
Project Name Construction of Data Centre
Project Sponsor Colt Data Centre Services UK Ltd
Project Contractor
Project Budget
Project Start Date 23rd August 2021
Project Duration 23rd Aug, 2021 ~ 22nd Dec, 2023
Project Location Hayes London

3. Project Scope
02 x Five Storey Buildings and 01 x Electrical Substation
Covered Area: 236,806 sft
Civil Works
MEP Works
Installation of Special Equipment
Obtaining of Utilities Connections
Testing & Commissioning

4. Project Stakeholders
Internal External
Concert
Nicholas Webb Architects (NWA)
Faithful & Gould
Linesight
ARUP
Black & White Engineering

5. Requirement Description Compliance
Y/N
Evidence / Comment
Detail Logic Linked Construction Programme including:
Pre-Construction Activities
Procurement Milestone Dates
Critical Path for Phase 1 (Building 1 incl: Shell & Core, Fit –out (6MW) and all associated External Works,
Connections Etc,
Critical Path Commentary
The programme is also to consider the remaining DH Fit –out Works post phase 1 Handover I’e’ on a 6MW
rolling basis up to 28.5MW (Total IT Capacity of Building 1).
The Contractor shall provide their proposed programme showing the sequence and timescale of
operations to achieve Completion of the Works on or before Q4 2023 taking due account of the
Employer's specific sequencing/programming requirements
Float Time
Target Handover Date
The Programme shall include a Design Programme (Stage 4B & Stage 5) with sufficient time for the
Employer and Third Parties to comment on design information.
A schedule of matters on which the Employer must or requires to comment, make decisions, approve
material samples etc., and the approximate dates when such information shall be available for the
Employer's comments etc. The schedule shall indicate the latest date when final comments, choices etc,
are required from the Employer. The Contractor must allow within the programme a minimum of 10
working days for the Employer to comment
PROGRAMME REQUIREMENTS

6. Requirement Description Compliance
Y/N
Evidence / Comment
The Programme should consider at high-level the following constraints which will be the responsibility
of the Contractor to manage:
• Construction Logistics
• Neighbourly Matters / Constraints Imposed by Adjoining Owners & Stakeholders
• Limitation of Working Hours
• Schedule of Conditions for Adjoining Property
The Programme is to consider the following Constraints and Client Milestones:
• Planning Committee (19/01/22)
• Planning - Clear of Judicial Review & S106 (Apr-22)
• Completion of Enabling Works (21/04/22)
• Complete Discharge of Pre-Commencement Conditions (Jun – 22)
• Start on Site (04/07/22)
• Substation Completion (SOS August-22) (27/03/23)
• Completion / RFS 6MW (Q4 – 2023)
PROGRAMME REQUIREMENTS

7. Key Dates
Description Completion Date
Customer Complete Demo & Enabling - Early Access, Start Surveys 21st Apr, 2022
Start on Site 04th July, 2022
Ground Breaking Ceremony 04th July, 2022
Substation Complete by Others 27th March, 2023
Instruct Phase Two 23rd June, 2023
UG Services: Fibre Branch complete 17th July, 2023
Water supply for flushing 31st Aug, 2023
UG Services: Electrical Branch complete 05th Sep, 2023
Electrical power required 15th Sep, 2023
UG Services: Water Branch complete 15th Sep, 2023
PC - 6MW 22nd Dec, 2023
Instruct Phase Two Demo 05th Feb, 2024

8. 2022 2023
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
MEP Works
04/07/22
Start on Site
04/07/22
Ground Breaking Ceremony
23/06/23
Instruct Phase Two
27/03/23
Substation Complete by Others
17/07/23
UG Services: Fibre Branch complete
31/08/23
Water supply for flushing
31/08/23
UG Services: Electrical Branch complete
31/08/23
UG Services: Electrical Branch complete
15/09/23
UG Services: Water Branch complete
5/09/23
Electrical Power Required
Surface Water
Surveys
21/04/22
Customer Complete Demo &
Enabling - Early Access, Start Surveys
Mechanical - Lead-in periods
Electrical - Lead-in periods
Fire - Lead-in periods
Programme
22/12/23
PC

9. PRINCIPLE Programme Constraint Dates

10. Imtech Phase 1 works:-
• MV distribution including plant and UPSs. Generators. LV distribution including
plant, cables and busbars. Primary and secondary containment systems. Small
power. Lighting. Emergency lighting including static inverters. External lighting.
Lighting controls. Power management system. Energy management system.
Integration of EMS and PMS to BMS. Fire alarm. CCTV. Access control. Disabled
systems. Specialist earthing systems. Earthing systems. Lightning protection. Data
and communications network. Ventilation - including AHUs, water source heat
pump energy recovery systems on AHUs, ductwork, VCDs, grilles & diffusers,
attenuators and smoke dampers. Smoke extract - cold smoke extract in data hall
and stairs. Chilled water system - Chillers, pipework, insulation, pumps and large
buffer vessels. VRF / DX cooling system with condensate pipework. Process water
system. Water softening system. Main incoming cold water. Sprinkler system.
Gaseous suppression systems. Fire hydrant mains. Domestic water systems - point
of use hot water heaters. Above ground drainage. Rainwater harvesting to WCs.
Fuel and Urea pipework systems for the generators. Electrical heating to selected
areas. BMS. Trace heating. Testing and commissioning.

11. Phase 1 Scope of Works (SoW) Matrix
Definition of Catagories By Main
Contractor
By
Others
Shell &
Core
Fit Out Comments
Utilities
UT HV Power to Site (HV Sub-Station) X P P
UT Water Connection P X P
UT Fibre Connection P X P
UT Telecoms Connection P X P
UT Sewer / Drainage Connection P X P
External Works:
External Landscaping:
EXT Hard & Soft Landscaping P X P
EXT Bin Stores, Cycle Shelter, Smoking Shelters P X P
External Security:
EXT Perimeter Fence and Gates P X P
EXT Visitor Reception Centre P X P
EXT Below ground ducts to external security equipment locations P X P
EXT Poles for CCTV cameras P X P
EXT Bollards P X P
EXT Rising Blockers P X P
External Below Ground Services:
EXT Drainage - Foul & Surface P X P
EXT Water Services & Fire Main P X P
EXT MV/LV Ducts P X P
EXT Security ducts P X P
EXT Zero Cable Vaults P X P

12. Phase 1 Scope of Works (SoW) Matrix
Definition of Catagories By Main
Contractor
By
Others
Shell &
Core
Fit Out Comments
External Below Ground Services: continued
EXT Comms ducts X P P
External Above Ground Services:
EXT External lighting P X P
Data Centre Building (Building 1):
Building Envelope.
DC Steel / concrete frame to building P X P
DC Steelwork to Cooling Plant gantry P X P
DC Metalwork - Handrails to Cooling Plant Gantry P X P
DC Metalwork - mesh flooring in risers P X P
DC External walls - brickwork, cladding, living walls. P X P
DC External walls - Penetrations/Openings for Cooling Plant P X P
DC External walls - feature vertical fins / Punched Metal P X P
DC External walls - penetrations for M&E Services P X P
DC External screening - to roof plant (admin / core plant) P X P
DC External screening - to roof plant (DC plant) P X P
DC External Doors P X P
DC Roof - Flat roof system P X P
DC Roof -penetrations for M&E Services P X P
DC Roof - PV Cells P X P
Stair Cores and Risers:
DC Staircases
DC Balustrades and Handrails.
DC Stair core and riser walls.

13. Phase 1 Scope of Works (SoW) Matrix
Definition of Catagories By Main
Contractor
By
Others
Shell &
Core
Fit Out Comments
Stair Cores and Risers: Continued
DC Core doors from stair cores, with ironmongery. X P P
DC Riser Doors. P X P
Internal Fit-Out:
DC Internal walls to data halls and plant rooms. P X P
DC Internal doors to data halls and plant rooms P X P
DC Floor finishes. P X P
DC Wall finishes. P X P
DC Ceiling finishes. P X P
DC Electronic Security installation P X P
M&E Services Fit-Out:
DC Temporary lighting P X P
DC Temporary fire alarm P X P
DC Transformers P X P
DC LV Switchgear P X P
DC Primary Containment P X P
DC Secondary MEP containment in data halls P X P
DC Secondary Data containment in data halls P X P
DC Busbar to Cabinets P X P
DC Hot Aisle Containment P X P
DC Lighting P X P
DC Small Power P X P
DC Control Cabling P X P
DC Earthing, generally P X P

14. Phase 1 Scope of Works (SoW) Matrix
Definition of Catagories By Main
Contractor
By
Others
Shell &
Core
Fit Out Comments
M&E Services: Continued
DC Cabinet earthing Cu tape fixed to IT basket P X P
DC Fire Alarm & Sprinklers generally P X P
DC ire Alarm & Sprinklers (To Data Halls and data cabinet containment). P X P
DC PMS P X P
DC BMS P X P
DC BWIC, including bunding. P X P
Admin Areas and Core Building:
Building Envelope:
AACB Steel frame to building P X
P X
P X P
P X P
P X P
P X P
P X P
P X P
P X P
P X P
P X P
P X P
P X P

15. Total Floor G Floor 01 Floor 02 Floor 03 Floor 04 Roof
Gantry
Total Area Building 1 23,401 3984 3955 3968 3939 3921 3634
External Gantry Area Building 1 6,775 1242 1419 1420 1431 1263 0
Building 1 Total Floor G Floor 01 Floor 02 Floor 03 Floor 04 Roof
Data Hall (Standard) 4x932m² 8,829 981 1962 1962 1962 1962
Technical (M&E) 3,412 1108 576 575 577 576
Office 2,723 796 516 517 473 421
Storage (General)
Storage (Tenant)
Storage (COLT) 1,071 165 223 223 223 237
Storage (COLT Alternative)
Circulation 2,670 647 481 500 511 531
Circulation (Vertical) 915 146 155 149 151 152 162
Loading bay 99 99
Riser 211 43 42 42 42 42
Undercroft -
External Gantry 10,247 1242 1419 1420 1431 1263 3472
Phase 1 Scope of Total Area of the Works

16. Phase 1 Drawing
:Level 00
DCS20109-NWA-DC-01-00-DR-A-25200
List of Works
Cooling units
FLS Riser
BMS Server Room
Stairs
Fibre Riser
Elec Room
BMS Server Room
Corridor

17. Phase 1 Drawing
:Level 01
DCS20109-NWA-DC-01-01-DR-A-25210
List of Works
Cooling units
FLS Riser
BMS Server Room
Stairs
Fibre Riser
Elec Room
BMS Server Room
Corridor

18. Phase 1 Drawing
:Level 02
DCS20109-NWA-DC-01-02-DR-A-25220
List of Works
Cooling units
FLS Riser
BMS Server Room
Data Hall 4 & 5
Fibre Riser
Elec Room
BMS Server Room
Corridor

19. Phase 1 Drawing
:Level 03
DCS20109-NWA-DC-01-03-DR-A-25230
List of Works
Cooling units
FLS Riser
BMS Server Room
Data Hall 6 & 7
Fibre Riser
Elec Riser
BMS Server Room
Corridor

20. Phase 1 Drawing
Level 04
DCS20109-NWA-DC-01-04-DR-A-25240
List of Works
Corridor
Cooling Unit
BMS Server Room
Fibre Riser
Store
Elec Riser
BMS Server Room
Corridor

21. Phase 1 Drawing
:Level Roof
05-01
DCS20109-NWA-DC-01-05-DR-A-25250
List of Works
Cooling units
FLS Riser
BMS Server Room
Fibre Riser
Fibre Riser
Elec Room
BMS Server Room
Corridor

22. Phase 1 Drawing
Level Roof
05 02
DCS20109-NWA-DC-01-06-DR-A-25260
List of Works
Cooling Gantry

23. 2002 - HH4 - Hemel Hempstead
Consolidation
Centre
Gen FAT Test
France
Gen Pod FAT Test
England
HV Switch Gear
FAT Test
HV Switch Pod
FAT Test
Ship Ship
LV Switch Gear
FAT Test
LV Switch Pod
FAT Test
Controls FI
FAT Test
Life Safety FI
FAT Test
Project Delivery LON
Free Issue Components
For incorporation into Pods
Ship
Programme – Consolidation Testing