Beca Carter Hollings & Ferner (SE Asia) Pte Ltd

1. Beca Carter Hollings & Ferner(SE Asia) Pte Ltd Singapore Power Project Green DC Concept Presentation 2 September 2014

2. Agenda • The project team • Project Schedule • Architectural • Cost Consultant • IT • Structural • M&E & Data Centre • Greenmark • ISO 50001 and SS564 • DFE and GREET Grants • Risk Mitigation

3. Beca Team – Singapore Power

4. Project Schedule

5. Project Schedule Con’t

6. Early Cost Plan – Day 1 Cost • Day 1 Budgetary for 0.3MW IT loads with 800 sqm office fit-out amount at $8,360,000 • Reinstatement Budgetary Cost to Existing 111 Somerset road at $250,000 • Extended 5 years service and preventive maintenance at $700,000 • Cost Exclude • GST, Contingency, soft cost, professional/consultants’/design fees, IT costs, migration cost, fluctuations of material/labour costs, diversion of existing facilities/services, landlord/authorities’ connection charges, extended warranties, any unknown project specific preliminaries and general items and etc

7. Early Cost Plan – Day 2 • High level cost model based on facility level benchmarking ($/m2) or ($/MW), plus any additional project specific abnormals • Budgetary End State Cost for 0.6MW IT loads with 800 sqm office fit-out amount at $13,400,000 • Reinstatement Budgetary Cost to Existing 111 Somerset road at $250,000 • Extended 5 years service and preventive maintenance at $800,000

8. Procurement Strategy and Route • The Long Lead Equipment (LLE) and Main Contractor (M&E/Builders/Architectural packages’ list) had been established among the consultant team for Singapore Power (SP) consideration, 4 bidders/tenderers will be short-listed and approved by SP for each Long Lead Equipment package and 7 bidders/tenderers for Main Contractor Package before RFP/Tender document is issued for competitive bid. • All packages will be awarded as Direct Contract with SP, shall adopt SP General Conditions of Contract for Engineering (Project Works). • All M&E, Builders, Architectural works shall be procured directly by the Main Contractor as Domestic Sub-contractors, however preferred vendors’/suppliers’ list can be specified within tender document. • SP confirmed that other Direct Contract package (DC) shall be procured separately SP shall be only IT Package. All DC packages will be listed in the Main Contract Tender as Employer’s Direct Contract Packages for Main Contractor to provide necessary attendance.

9. Identified Tenderer’s Lists • 4 Tenderers selected for Long Lead Equipment for 2000kVA Diesel Generator • 7 Tenderers selected for Main Contractor Packages

10. Scope of Works – Main Contract • Inclusion and Exclusion Scope of Works for Consideration

11. Scope of Works - Main Contract • Inclusion and Exclusion Scope of Works for Consideration (cont’d)

12. Architectural Concept • Issued questionnaire for office space requirements. • Review response to questionnaire • Developed multiple test fits based on response to questionnaire and other input. • Revise layouts to office based on user feedback. • 122 racks for DC layout + 3 rows of rack storage

13. Architectural Concept

14. Architectural Next Steps… • Finishes to office area • Reflected Ceiling Plan • Workstation design • Chair Selection • Furniture finishes • Tender Drawings

15. 4th Storey & Roof Loading Plan • Floor Load for Future Roof Terrace 7.5KN/m2 • Floor Load for Office & Production area 10KN/m2

16. Roof Generator Load Width 3 (m) Length 8 (m) Plan View Elevation View

17. Data Centre Load Width Grid Spacing 7 (m) Length Grid Spacing 14 (m)

18. Underground Fuel Tank • Proposed location on site plan • Preliminary Drawings for Fuel Tank • Scope needs to be confirmed by SP and Landlord

19. Data Centre Office Requirements • Data Centre size – 800m2 • Office Space – 800m2 • Data Centre White Space to be approximately 400m2. • Day 1 to be 100 racks @ 300kW • Day 2 to be 180 racks @ 3.3kW/rack • Utilisation of White space to be approx 2.5m2/rack to 3m2/rack subject to final layout • Total IT load to be approx 600kW • Approx 50+ office space

20. IT Requirements • Approx 180 racks • High Density zone to be provided for Future. • 2 rows of network racks • Refer to appendix for Network racks requirements • All racks to be provided with 2xPDU and 2x Ceeform • For Network rack requirements, refer to appendix • Cable Support only • Schematic of the tap offs from building MDF to data centre to be issued shortly

21. Design Considerations • Reliability The architecture of Electrical Distribution is able to reach: • Tier III • Uptime Institute • Preventative maintenance without Data Center shutdown • Efficiency Electrical architecture and components choice contribute to obtain : • Power Usage Effectiveness (PUE) range : 1.54 (Depending on base building chiller system) • Note with General office area, PUE approx 1.65 • Scalability & expansion capacity • Electrical and mechanical equipment to grow with the business

22. Day 1 Preliminary Load Summary

23. Day 2 Preliminary Load Summary

24. Prelim Load Calc for Discussion only

25. Electrical Single Line Diagram

26. Generator Board Configuration

27. UPS Mainboard Single Line Diagram

28. Typical Final Distribution for IT Load UPS UPS Rack ATS PS1 Single Power Supply Equipments PS2 PS1 PDU 1 PDU 2 Dual Power Supply Equipments

29. Electrical for Mechanical Configuration • Concurrent Maintainability on the Mechanical boards • Fuel system boards is also concurrently Maintainable • Single board for office only

30. Generator Fuel System • Fuel system is very important and is normally overlooked in Tier 3 DC • Final Space and scope to be confirmed with Landlord

31. Electrical Design • 2x1600Amp tap off and 1x1200amp and 1x1000amp supply from landlord • From different HT feeders • From MSB 5 and MSB 6 • Batteries based on 15mins 5 year end of life • Separate technical earth shall be provided for IT equipment

32. Recommended Illuminance

33. Maximum Permissible Lighting Load

34. Securityl • 2 factor authentication. • Able to read our existing proximity card w/ pin and palm scan for entry to Operations room, or any reliable biometrics system. • CCTV camera system must be integrated with door access to capture before and send an immediate alert notification and sounding an alarm, etc. • Vendors working on long-term projects are issued temporary proximity cards. • Card accesses to lock/unlock racks for security reasons. All accesses must be logged and auditable.

35. Security and CCTVl SecuritySystem In general, the Security System is comprised of CCTV Camera, Network Video Controller(NVR) and accessories, EM-locks, door contacts, card readers and emergency release button. The CCTV system will required to be compatible with the existing security system used by SPPG. Cameras (IP System) CCTV cameras will be placed unobtrusively at strategic points throughout the building. In general, cameras will be installed at selected location inside the premises of SPPG Office. Depending on the area coverage, either the fixed or motorised cameras will be selected accordingly.

36. Mechanical Day 2 Load Calc

37. Cooling System Topology • Tier III • Concurrentlymaintainable

38. Cooling System • Dual Coil Chilled water air cooled CRACs, N+1 • Primary source will be chilled water, Secondary source to be air cooled DX to meet Tier 3 • Landlord to confirm the energy efficiency of the base building chilled water system. Require to be at least 0.75kW/RT • The new chilled water system to have necessary metering and monitoring for the purposes of measurement and verification • Cooling through raised floor plenum for base building • Temperature and humidity to recommended envelope of TC9.9

39. Cooling System • Raised floor to be 800mm high and used as cooling plenum • Bund wall to be provided to contain water spill • Leak detection in drip tray directly below CRAC • Landlord will require to commission the new chilled water system to enable the full testing and commissioning and IST by end April. Else the IST will not be tested with the new chilled water system.

40. ASHRAE TC9.9 Thermal Guildelines 2011

41. Supply via raised floor and Hot Aisle Containment with Ducted Return

42. External Static Pressure for supply via raised floor and Hot Aisle Containment with Ducted Return ESP IS APPROX 180PA

43. Supply Air through raised floor and Cold Aisle Containment, Return via room

44. External Static Pressure through raised floor and Cold Aisle Containment, Return via room ESP IS APPROX 60PA

45. Mechanical Ventilation and Office AC • Gas purging system to be provided at 2 AC for areas served by gas suppression • Gas purging system to have ducting dropped to floor level where possible • Office area to be served by FA • Data Centre to be provided with fresh air pressurisation to 0.5AC • All critical plant AC to be configured N+1 • Office area FCU to be provided with FCU for cooling • Isolation room to be provided with own air conditoning

46. Humidity Control • Method of treating the outdoor air and at the same time to control the relative humidity within the data centers.

47. Munters HCU Unit • Precooled chilled water Fresh Air uses 14kW, $15,000 • Munters HCU uses 5kW, $33,000 • Savings 76,000kWHr per year • Pay Back approx 1-2 years.

48. Fire Protection Strategy • The fire fighting system will be configured to respond to the following number of prerequisites for a critical facility:- • A fire detection system to provide early warning at an initial fire condition. • Suitable fire fighting equipment to extinguish the fire in its premature stages • To have suitable trained staff on site on a 24 hour basis to respond to such situations.

49. Fire protection services system • Fire resistance wall, and doors • Fire Fighting Philosophy • 7x24 Internal Monitoring system • External Fire station APC by Schneider and Partners

50. Fire Protection Strategy AUTO PAGING SYSTEM MAIN FIRE ALARM PANEL VERY EARLY WARNING SMOKE DETECTION SYSTEM OR SL SL BELL ALERT STAGE 1 N2 Argonite Or Novec GAS DISCHARGE SIGN EVACUATE AREA IMMEDIATELY S S S TIMER POINT SMOKE DETECTOR MANUAL RELEASE BUTTON DECAM SYSTEM SOUNDER & STROBE LIGHT ABORT SWITCH STAGE 2 GAS SUPPRESSION PRE – ACTION SPRINKLER S S S PHOTO ELECTRIC POINT SMOKE DETECTOR PRE-ACTION SRINKLER STAGE 3