4211 Yonge Street Suite 500 Toronto Ontario M2P 2A9 416 487 8151 f 416 487 9104 smithandandersen.com
ELECTRICAL SCHEMATIC DESIGN BRIEF
FOR
CENTRE FOR BIODIVERSITY GENOMICS NEW TWO STOREY BUILDING
UNIVERSITY OF GUELPH
TO
HOK GROUP INC.
720 KING STREET WEST, SUITE 505 TORONTO, ONTARIO
M5V 2T3
OUR PROJECT NUMBER:
09237.000
DATE:
1. INTRODUCTION
1.1. A proposed mixed use building with a Group D and a Group F Division 3 occupancy classification located in Guelph, Ontario.
1.2. The facility is to be owned and operated by the University of Guelph
1.3. Building is to be approximately 3,310 square meters, three stories tall with two above grade and one storey below-grade. It will be approximately 10 meters tall.
1.4. The facility includes the following unique features.
1.4.1. Server Farm
1.4.2. Green Atrium
1.4.3. Ethanol/Reagent (Sample storage)
1.4.4. Building Link
2. DESIGN STANDARDS
2.1. The Electrical systems will be designed in accordance with the current edition of the following Codes and Standards:
• Ontario Building Code
• Ontario Electrical Safety Code
• National Fire Protection Authority (NFPA)
• Ontario Fire Code
• Local Ordinances and Authorities
• Institute of Electrical and Electronic Engineers (IEEE) standards
• LEED
• Illumination Engineering Society (IES) Standards
• ASHRAE 90.1 “Energy Efficient Design of New Buildings”
• National Electrical Safety Code
• The Uptime Institute – Tier Classifications
• The Model National Energy Code For Buildings (MNECB) and shall meet or exceed the minimum requirements of the Commercial Building Incentive Program (CBIP).
• National Electrical Manufacturer’s Association (NEMA) Standards
• Telecommunication Industries Association (TIA)
• CAN-ULC-S524 – Standard for the Installation of Fire Alarm Systems.
• CAN-ULC-S536 – Inspection and Testing for Fire Alarm Systems.
2.2. University of Guelph Standards
3. NORMAL POWER DISTRIBUTION
3.1. The building will be serviced from the University of Guelph owned 13.8kV, 3 phase, 3 wire distribution system.
3.2. The primary utility feeders will come below ground in a concrete duct-bank off the local UofG campus loop distribution system. The University of Guelph electrical distribution system has multiple high voltage loops with the high voltage feeders running throughout the campus to supply power to the various buildings. This building will be added to the nearest campus loop, loop #3, which also feeds the existing Biodiversity Bldg, #138. Two new duct banks would be required, one to the manhole adjacent to the Biodiversity Bldg #138 high voltage substation and the second to an existing manhole by E.C Bovey Bldg #081.
3.3. There will be three 13.8kV load break switchgear located in the main electrical room located in the basement of the building. Two of the cells will be the loop switches with no fusing the third switch will be a fused switch to supply the single ended substation for the building. Space will be provided to install an additional switch on the end of the switchgear line-up to supply future building via a radial feed.
3.4. Lightning arresters will be provided on the load break switch feeding to the transformer. 3.5. The building will house a 500kVA, 13.8kV to 600V delta-wye transformer in the
basement electrical room that will supply a secondary switchboard directly coupled to the transformer. The distribution through
3.6. Our design will be based on power density calculations as required by the Ontario Electrical Safety Code rule 8-210 for ‘other types of occupancies’ and OBC for lighting power densities with the data centre load taken in addition to the base load.
3.7. The primary distribution voltage, throughout the facility will be 600V with localized 600-120/208V transformers. The basement and ground floor will be supplied from the main electrical room with the second floor being supplied from the penthouse. 120/208V electrical panels will be located throughout the building.
3.8. Main electrical rooms will have a 2-hour fire rating. All sub-electrical rooms and closets are to have a minimum 1-hour fire rating.
3.9. All electrical equipment is to be sprinkler proof.
3.10. All electrical conductors are to be copper. All equipment to be copper bus.
3.11. In general all conductors are to be cable in conduit unless otherwise noted. High voltage feeders to be 15kV, Teck90, single conductor copper cables.
4. ESSENTIAL POWER DISTRIBUTION
4.1. A new 100A essential power feed will be run from the essential panel located in Chamber ‘F’ in the tunnel system that is being supplied from the Science Complex essential power plant. This feeder will be routed through a new duct bank installed from the new building to manhole #68 located North West of the proposed new building. The existing duct bank will be utilized to manhole 67 located North of manhole #68. A new duct bank will be installed from manhole #67 to chamber F where the essential feeder will terminate into an existing 400A distribution panel.
4.2. The main service will terminate in a splitter and will feed the following automatic transfer switches:
• 60A transfer switch for Life Safety Loads
• Essential lighting systems with exit signage
• Fire Alarm network panels
• 60A transfer switch for non-Life Safety Loads
• Essential power for specific lab equipment such as freezers
• Building Automation control panels
• General exhaust fans
• Sanitary pumps
• Storm water pumps
• Sump pumps
• Security System
• Telephone system
• Domestic hot water system
• Domestic cold water pumps
4.3. Emergency power has NOT been included for the following systems:
• Uninterruptable Power Supply (UPS) systems
• Server Farm
If this equipment is required to be on essential power then an alternate price should be identified to install a dedicated diesel generator set for this building located on the east side of the building on grade. The generator will be 250kW standby rated. Generator will be housed in a suitable weather-proof, sound attenuated enclosure. The generators will be specified to meet Tier III emission standards.
4.4. Emergency power will meet the minimum operation requirements for a period of no less than 30 minutes.
4.5. All emergency wiring is to be wire in conduit or multi-conductor cables.
4.6. The emergency transfer switch will be 3 phase, 3-pole, contactor style, with electronic controller, bypass-isolation, generator start signal and load-dump relays
5. FIRE ALARM
5.1. The building will be provided with an addressable single stage fire alarm system with battery charger and standby batteries.
5.2. The main fire alarm control panel will be located in north entrance to the building. 5.3. All fire alarm detection and addressable loop wiring will be class A. All output device
wiring will be Class B.
5.4. Horns will be provided throughout the building with combination horn-strobes used where a strobe is required.
5.5. Visual strobes will be installed in public corridors and in floor areas where public may congregate in Group A occupancy.
5.6. Visual strobes will also be utilized in areas of high ambient noise including all mechanical rooms and as required by code.
5.7. Primary means of detection will be via manual pull stations and the sprinkler system. Smoke and heat detectors will be provided where required by Ontario Building Code. 5.8. The fire alarm will monitor the following systems:
• Standby emergency generators (Trouble/running) – If applicable
5.9. All magnetic locks will be release upon activation of the evacuation signal on the fire alarm.
5.10. Duct-type smoke detectors will be supplied in air handling systems that serve more than one storey or fire separation. Air handling equipment will be designed to shut down upon activation of its dedicated duct detector or the fire alarm system.
5.11. The sprinkler system will be electrically supervised via flow switches and supervised valves.
5.12. All computer room areas with raised floor will be fitted with a suitable double-interlocked pre-action sprinkler system with cross-zoned smoke detection both above and below the raised floor.
5.13. An elevator recall system is being provided. The floor of egress is the ground floor. Smoke detection will be provided on all floors.
5.14. The complete fire alarm system will be tested and verified as per the requirements of the Ontario Building Code and CAN-ULC-S536 – Inspection and Testing for Fire Alarm Systems.
6. LIGHTING
6.1. High efficiency luminaires will be provided as per the recommendations of the IES. 6.2. Lighting will be designed to OBC and as per LEED requirements
6.3. Primary interior lighting will be provided by recessed fluorescent fixtures equipped with 2-T8 lamps and K12 acrylic prismatic lenses. Lamps will be 32 watt complete with matching dimmable energy electronic ballasts.
6.4. Laboratory areas shall be illuminated with recessed fluorescent fixtures equipped with 3-T8 lamps aligned with the laboratory benches. Fixtures shall be enclosed and gasketted with a prismatic lens and stainless steel housing and UL listed for wet locations. All lighting fixtures shall be sealed at perimeter and all penetrations. The fixtures will be controlled with local switches.
6.5. Average Light Level Table
Area Average Maintained Lux as per IES standards
Offices & Building Support
Enclosed Private
Lobbies, Lounges and reception areas Conference / Meeting Rooms
Corridors & Circulations Secondary Corridors Locker
Washrooms
Storage (small items) Storage (large items)
Mechanical / Electrical Rooms Telecommunications/Server Rooms Computer Labs Laboratory Labs Equipment Corridors 300 [500 w/ task lights] 300 [500 w/ task lights] 200 – 250 200 50 50 50 100 300 100 300 500 300 500 [700 w/ task lights] 500 300
6.9. Service rooms will be lit with chain hung, direct parabolic fluorescent luminaries with wire guards.
6.10. Stairwells will be illuminated by fluorescent light fixtures equipped with T8 lamps. 6.11. Emergency lighting will be provided to meet building code and will be provided in
electrical and mechanical services rooms. Battery packs will be installed in LAN rooms, main electrical rooms and main mechanical rooms.
6.12. Emergency lighting will be provided by the essential power distribution system throughout.
6.13. Exterior lighting:
6.13.1. Walkway lighting will be mounted on 12 foot poles and similar to Kim Lighting SET Entablature series.
6.13.2. Exit doors will be similar to Gardco lighting, mini sconce or super sconce.
6.13.3. Canopy lighting will be similar to Gardco semi flush canopy fixture 220/221 series. 6.13.4. Bollards and other landscape lighting may be introduced
6.14. Exit lights will be energy efficient LED type.
6.15. Lamps shall be TCLP compliant with a minimum CRI of 85 and from one manufacturer: GE, Philips or Osram Sylvania. Ballasts shall be electronic and manufactured by General Electric, Advance, Magnatek or Osram Sylvania.
6.16. Decorative lighting will be provided for any art work on display or architectural features.
7. LIGHTING CONTROL
7.1. A low voltage lighting control system will be provided for the facility, including LV switches, occupancy sensors, photo sensors and time-clocks.
7.2. In areas with natural lighting, luminaires will be controlled by daylight sensors to make maximum use of natural light.
7.3. Mechanical and electrical room lighting shall be controlled by standard wall switches. Other service rooms that do not house electrical or mechanical equipment shall have PIR motion sensor lighting control.
7.4. Washrooms, storage rooms, office areas will be provided with ceiling or wall mounted occupancy sensors utilizing dual infrared/ultrasonic sensing technology and will not be affected by the master switches.
7.5. Exterior lighting shall be automatically controlled capable of turning off exterior lighting when sufficient daylight is available or when the lighting is not required during night time hours.
8. GROUNDING SYSTEM
8.1. An AC grounding system will be provided in the main electrical room. All transformer neutrals will be connected to the grounding bar and a common cable connected back to the system ground.
8.2. Grounding will be provided following IEEE 1100 and Electrical Safety Code Section 10 standards.
8.3. Separated communication ground will be provided off of the main building ground system.
8.4. Ground all elevators and equipment in the elevator pits.
9. SERVER FARM
9.1. Electrical distribution system will be designed to tier two as defined by The Uptime Institute with the capacity of being expanded in the future to tier three.
9.2. The server farm is estimated to have approximately 10 to 15 server racks. Each server rack is estimated to have a load of 4kW.
9.3. Raised floor will be grounded as per the Ontario Electrical Safety Code.
9.4. An equipment grounding bar will be provided under the raised floor on two sides of the room.
9.5. Fire alarm for this room will be a double interlock sprinkler system and the smoke detectors will be cross zoned as mentioned under the fire alarm section in this document. A dedicated zone on the fire alarm panel will be allowed for this room. 9.6. Air conditioning units will only be shut down upon activation of its dedicated duct
detector or smoke detectors within room.
9.7. Parabolic fluorescent fixtures equipped with 2-T8 lamps and a wire guard will be hung using rods and will provide an average light level of 350lux..
9.8. Emergency lights connected to the emergency system and will be of the same type as mentioned above.
10. GREEN ATRIUM
10.1. Day light harvesting will be provided throughout the “Green Atrium”.
10.2. Decorative lighting will be provided in the “Green Atrium” for any art work on display or architectural features.
11. ETHANOL/REAGENT (SAMPLE STORAGE)
11.1. This room will be designed in accordance to section 18 and 20 of the Ontario Electrical Safety Code.
11.2. Light fixtures will be explosion proof. 11.3. All conduits will be explosion proof.
12. BUILDING LINK
12.1. This link will connect the existing Biodiversity building to the new Genomics building. The link will be considered part of the new Genomics building.
12.2. The link would be approximately 140 square meters. 12.3. The link will be illuminated to an average of 50lux. 12.4. Convenience receptacles will be supplied.
13. EMI CONSIDERATIONS
13.1. All wiring will be in conduit. All major normal power feeds will be in totally enclosed metal bus duct.
13.2. Routing of power cables and bus duct will be selected to minimize the effect of magnetic fields on other equipment.
13.3. Single conductor Teck or armoured cable will be avoided.
14. COMMUNICATIONS
14.1. Rough in conduit and junction box system will be provided for the communication system by the Electrical Contractor. All wiring, devices and installation will be provided by others.
14.2. Communications room for telephone/internet/CATV will be provided in the basement along with a 3m x 3m room on each floor.
14.3. Typical distribution for buildings: 14.3.1. Sleeves in walls to serve floor
14.3.2. Cable tray will be provided to circle the floor 14.3.3. ¾” drops from cable tray to a double gang box
15.2. All security devices will be connected as per the security consultant’s drawings. Infrastructures will be installed by electrical contractor to support this.
15.3. Doors contacts, electric strikes and security cameras will be roughed in by the electrical division as directed by the Owner.
15.4. Include an allowance for security devices such as CCTV system and Door Access Control System.
16. CO-ORDINATION OF MECHANICAL AND ELECTRICAL AND OTHERS
16.1. All starters, fire alarm shutdown, pressurization control, smoke evacuate control, motor control centres, and power wiring shall be by the electrical division except for units with starters as part of a package or for VFDs.
16.2. All power wiring shall be by the Electrical contractor including power wiring from variable speed drives to motors. VFDs to be mounted on or near the equipment and VFD cable will be run from the VFD drive to the motor with no disconnect between them.
16.3. All control wiring and controls shall be by Mechanical contractor. 15A, 120V, 1 phase breakers will be provided in electrical panels on each floor for the controls contractor to extend the circuits to the equipment.
16.4. All fire alarm wiring shall be by Electrical contractor.
17. LIGHTNING PROTECTION
17.1. Lightning protection will be designed and installed in accordance to CAN/CSA-B72; Installation Code for Lightning Protection Systems.
17.2. Intercepting conductor shall be installed on the entire roof perimeter at the highest part of the roof and as close to the edge as possible but never more than 0.5m from the edge of the roof.
17.3. Air terminals to be located within 0.5m of the outside corner of the roof spaced on intervals not exceeding 8m around the perimeter.
17.4. An intercepting conductor connected at both ends and at least every 50m shall be installed within the perimeter so that no point on the roof is more than 5m away from a conductor.
17.5. Every stack, and other objects located on the roof susceptible to strikes will have air terminals.
17.6. Conductor cables will interconnect air terminals and offer a multiple path to ground. Down lead conductors will be placed every 30m around the perimeter of the building (but never less than two), run down exterior columns, and terminate in a ground rod
