DRAFT CONCEPT DESIGN REPORT UNIVERSITY OF CALGARY ...

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Two lamp strip lights with wire guards, T5 lamps and electronic ballasts will be used in all service rooms, janitor rooms, and storage rooms. The lecture theatres will be lit with a combination of recessed fluorescent fixtures, compact fluorescent pot lights. The lecture theatre's lights will be controlled by a dimming system lighting control system which will allow preset light switching for different modes of light levels. Where practical, LED fixtures will be utilized for both interior and exterior lighting. Incandescent lamp sources will be minimized and used only where absolutely necessary. The primary lighting control in the offices, classrooms and labs will be occupancy sensors with dimming via daylight sensors. Low voltage switches will also be provided in these areas as an override feature. Occupancy sensors utilized in storage rooms and wash rooms for switching the lights. LED illuminated exit lights at all building exits and as required to provide exit guidance in accordance with the Alberta Building Code. Partial interior lights will available while the building is on emergency power. The facility will utilize a addressable lighting control system such as the “Encelium” Energy Control System, which will be also connected to the building automation system. The lighting control system will include motion sensors, photocells, daylight sensors and override switches. This system will be provided for the zone switching of lighting during normal hours, after hours and daylight sensing. This will provide total flexible lighting control and also aid in reducing energy consumption. The addressable lighting control system will allow the ability of measurement of energy and usage of the lighting. � Grounding & Lightning Protection The grounding system will consist of a ground grid made up of 4-20 mm x 3000 mm copper ground rods connected together with 1-#3/0 bare copper ground wire. From this grid a #3/0 ground wire will be run to a ground bus located in each of the basement electrical rooms The grounding resistance for the electrical power system will have a maximum resistance to ground of 5 ohms. A wall mounted 6 mm by 50 mm and 1 m long minimum copper ground bus will be provided in each electrical room and in the main electrical service rooms. The ground bus will be located in the back of the room. The ground bus will be interconnected with the ground electrode and ground bus in the switchboard as well as the lighting conductors and water pipes. A separate communication ground bus will be provided for the communication and this ground bus will be connected with this main building grounding bus. A central grounding system will be provided for all switchboards. All grounded busses from switchboards, transformers, and panelboards will be connected at a central ground bus in the main electrical room. A separate green ground wire will be provided for all circuits. All transformers, switchgear, motor control centres, and panelboards will be grounded back to the basement electrical room ground bus. Lightning protection will provided for the building. The system will consist of air terminals mounted on the perimeter of the top of the building and ground conductors from the air terminals to ground rods to provide a path for lightning current to travel safely to the ground. � Voice and Data Systems There will be a main communication room for each of the Tower and the Block. These will be located in the basement of the respective buildings and will serve as the primary location for all data/voice entrance cables coming from the tunnel system, backbone distribution and server locations. The rooms will meet all codes and standards outlined by both the University of Calgary and the EIA/TIA 568-A. Cables entering from the tunnel supplying both voice and data links will consist of a 200-Pr. Sealpic/Aircore ATMM voice cable originating from the Administration Building, and two 72 Single Mode cables coming from the Math Science Building and ICT Building respectively. All backbone cable will originate from the main communications rooms located in the basement. For all data applications, 24 Single Mode Optic Cable will be run to the Communication Riser rooms located on each floor and patched into an ADC Fibre Optic Patch Panel. For voice applications, 50-Pr ATMM Category 6A cable will also be run to each Communications Riser room and punched down in either a BIX or 110-Style frame. We feel that these cables will provide the flexibility needed for this building coupled with the support for all present and future applications that may arise in the years to come. Each of the Tower and the Block will have Communication Riser rooms will be located per floor and vertically aligned. Each riser room will have 3 x 4” sleeves located between riser rooms. Extending from this area will be a vertical ladder tray that will connect to a horizontal cable tray for distribution within the riser room. Data and telephone cabling will be proposed Performance Category 6A. Each cable will consist of (4) unshielded twisted pairs (UTP). Together with EIA/TIA 606 and the University of Calgary standards, voice and data jacks will be clearly identified using labels. In addition to this, there will also be a AutoCAD drawing of each floor located in each communication riser room for identification purposes and a clear understanding of the voice/data layout. Offices and work spaces will be provided with (2) tele/data outlets located on opposite walls to allow flexibility of equipment location. Classrooms and theatres be provided with tele/data outlets as required. Wireless access points will be provided throughout the building for complete wireless access in the entire building. Cooling will be provided for the equipment heat loads in the all the communication rooms. Dedicated emergency power receptacles and a signal ground will also be provided in each of these rooms. CONCEPT DESIGN REPORT UNIVERSITY OF CALGARY MacKimmie Tower and Block I Repurposing and Renewal � Fire Alarm System The buildings will be provided with an addressable multiplexed, two-stage, multizone, supervised, annunciated fire alarm system. The system will have addressable manual pull stations, automatic smoke and heat detectors, monitor modules for sprinkler flow and tamper switches, speakers, horns and strobes. An emergency, one way voice communication system and a firefighter's telephone system will be provided. A pre-programmed voice message module (U of C standard message) will also be provided. Manual pull stations will be installed within 3m of all exits and 60m on centres within the building. Smoke detectors will be provided in stairwells, elevator shaft, elevator lobbies, corridors, telecom rooms, and electrical rooms. Duct mounted smoke detectors will be provided on all re-circulating air handling equipment in both the supply and return ducts. A fire alarm annunciator will be installed at the main building entrance. A direct link through a twisted pair cable will be provided between the building fire alarm control panel and the campus fire monitor station. The elevator controllers will be connected to the fire alarm system so that the elevators will return to floor of egress or to an alternate floor in the event of a fire alarm. Magnetic door holders will be provided on fire doors that will normally be held open and released upon a fire alarm. Magnetic door hold devices will be combination hold open/closer type. Control modules will be provided to cause mechanical ventilation equipment to shut down or to function to provide required control of smoke movement. The fire alarm system will have its own built in back up battery emergency supply. The system will be supplied with a printer for hardcopy logging of all alarms and troubles. A separate fire panel approved for suppression control will be provided to monitor and control a pre-action sprinkler system in the main electrical Room. This fire panel will be compatible with the main building fire alarm network. The fire alarm system will have four (4) levels of monitoring: Priority 1 – Fire Priority 2 – Alarm Priority 3 – Supervisory (sprinkle tamper) Priority 4 – Trouble (fire alarm trouble) The fire alarm will meet barrier free codes. 8. CONCEPT DESIGN � Security System Card Access and Door Alarm Monitoring system will be provided throughout the facility on doors where required by a User program. The Card Key and Door Alarm system will be based on a computerized, easily modified system for facilitating the various Users needs. Any additional security measures of more critical building areas such as CCTV, will be provided for the Users in a local area on an as needed basis. 54
8.5 Structural � Overview The McKimmie Library Tower, Block and Link represent three distinct structures due to differences in their original design and construction. The Tower structure is largely able to accommodate a multitude of uses and occupancies while meeting current building codes, but is limited in flexibility with respect to modifications of the existing structure. The Block is similarly able to accommodate a multitude of uses and occupancies to meet current building codes, but is somewhat flexible in accommodating revisions to the existing structure. This may include removal of some columns and floor slabs to created two storey spaces, and relocation of stairs and elevators. Finally, the Link is a much smaller structure that has negligible additional capacity to accommodate revisions to use and occupancy, revisions to the structure, or to meet current building codes. � Tower The McKimmie Library Tower consists of primarily cast-in-place concrete construction. Concrete floor slabs span over concrete beams and joists, which in turn span from perimeter concrete columns to the interior concrete core. This interior core contains the elevator shafts, concrete stairs and mechanical shafts. This central core also provides the lateral load (wind and seismic) resistance of the structure. The perimeter columns protrude beyond the edge of the floor slabs, and taper from larger columns at the base to smaller columns at the top of the building. The concrete construction and the limited number of vertical load carrying elements in the Tower limit the potential for significant structural modification. However, this is largely compensated as the lack of columns does leave an open floor plate that allows flexibility for architectural and interior design. The Tower’s original design loading for a typical floor slab was 7.2 kPa (kilopascals), which is equal to150 psf (pounds per square foot). This is a relatively high loading that was due to the use as a library, and the high floor loading that results from stacking of books. For comparison, a typical design loading for an assembly use is 4.8 kPa, and for administration and office areas a typical design loading is 2.4 kPa. Additionally, it has been proposed that the existing pre-cast concrete exterior panels be replaced with a lighter curtain-wall system. This combination of factors serves to decrease the expected vertical loading on the existing core, columns and foundation piles for a re-purposed Tower when compared to the original design. This reduced loading is important when investigating the lateral stability of the Tower under seismic conditions. The lateral stability of the Tower is provided by the concrete walls that form the central core. Seismic design requirements as specified by National and Provincial design codes have increased significantly in recent editions, and are currently much more stringent that was the case during the original design of the Tower. Increased lateral loading on the Tower structure translates to increased loading on vertical structural elements (columns and core walls). Of particular concern are the foundation piles. The foundations are the lowest loadbearing elements in a structure, and as such vertical loading is compounded to its highest degree. Additionally, foundation piles are very difficult to access should any reinforcing work be necessary. A preliminary lateral stability analysis of the Tower indicates that the increased vertical loads due to seismic loading applied per current building codes is offset by the reduction in gravity loading due to revised use and occupancy and a lighter building envelope. The only seismic upgrading of the Tower structure currently identified would be strengthening the lowest level of the core walls, from the basement level to the underside of the main level. This could be accomplished by either application of external steel bracing, or placing of an additional thickness of concrete adjacent to the existing wall. There is potential that the decrease in vertical loading on the Tower structure as described below may actually cause the structure to rebound from the soil. This would be realized as an upward vertical movement of the structure as load is released from the soil at the foundations, and the soil elastically returns toward its pre-loading location. The actual extent of this rebound would require further investigation at the detailed design phase. However, it is not expected that the overall rebound value would be a significant cause for concern. Of more concern would be the potential for differential rebound. This may be caused by a non-uniform reduction of the loading. This could then cause adjacent structural members to move differentially and cause local structural damage. The best way to accommodate this would be to conduct a carefully sequenced demolition of heavy elements, particularly the existing pre-cast building envelope. The demolition would be sequenced such that the reduction in load occurs uniformly across each foundation pile. The Tower has a structural steel framed mechanical penthouse on the roof level. This penthouse could relatively easily be modified or re-constructed to accommodate new mechanical equipment installed with the re-purposing of the Tower. � Block The McKimmie Block structure consists of structural steel beam, joist and column framing with concrete floor slabs. The current lateral load resisting system of the Block consists of rigid frames formed by the beams and columns. The structural steel construction will allow for simpler and more cost effective removal and replacement of structural members. The proposed re-purposing of the Block includes some significant structural revisions, including removal of existing stair and elevator shafts and removal of some columns to allow for larger classroom areas. As discussed above with regards to the Tower, the Block will also be subject to higher lateral loads due to seismic events as specified by current codes when compared to the original structural design. This will likely require an upgrade to the lateral load resisting system. It is proposed that this be accomplished by installation of structural steel cross-bracing. This cross-bracing would consist of relatively slim steel members, which would have some flexibility in its layout and location. The bracing may be placed at the Block’s perimeter, forming part of a new building envelope, or placed within interior walls. The interior walls at the large lecture theatres and the mechanical shafts are likely locations. This upgrade of the existing lateral load resisting system would allow for the removal and relocation of elevator and stair shafts, as their lateral stability properties could be made redundant. The existing shafts could be infilled with a typical floor slab structure to become useable space. CONCEPT DESIGN REPORT UNIVERSITY OF CALGARY MacKimmie Tower and Block I Repurposing and Renewal 8. CONCEPT DESIGN Generally, columns can not be removed from exisiting buildings as the resultant span between remaining columns will increase, often to double the initial span. This requires an increased floor beam depth and strength. Additionally, this applies a higher load on the remaining columns and foundations. The removal of columns for the large classrooms in the Block is made possible by two primary factors. The first is the reduction of the design live load on the floor slabs due to use and occupancy. Similar to the Tower as discussed previously, the Block was originally designed for a relatively high live loading of 8.1 kPa. It is expected that this may be reduced to 4.8 kPa for academic and student areas. The second factor is that the large classrooms will essentially be two stories in height. This would result in the removal of large portions of the existing second and third floors. Therefore, the longer spans resulting from the removal of some columns are generally offset by the combined reduction in live load and floor area. However, removal of the columns will require replacement of the floor beams, both to accommodate the increased span and the slope of the classroom theatre. From preliminary analysis, this is expected to be either a steel beam or truss, approximately one metre in depth. Refer to Figures 55
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DRAFT CONCEPT DESIGN REPORT UNIVERS
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The preparation of this Concept Des
Page 5 and 6: 1.1 PROJECT DESCRIPTION Stantec Arc
Page 7 and 8: View of Mackimmie Library Tower, Li
Page 9 and 10: Swan Mall looking South West Pedest
Page 11 and 12: 2.4 Climate Average daily temperatu
Page 13 and 14: Open Space and Connections Redesign
Page 15 and 16: 4.1 Purpose of the Report The first
Page 17 and 18: 5.1 Workplace Test/Fit - MLT (Tower
Page 19 and 20: 5.2 Academic Space Test /Fit - MLT
Page 21 and 22: 6.2 Process Phase 1 - Define Progra
Page 23 and 24: 7.2 Site Concept Plan The proposed
Page 25 and 26: 7.3 Town Square - precedent images
Page 27 and 28: 7.4 Academic Block � Student Spac
Page 29 and 30: 7.4 Academic Block � Transparency
Page 31 and 32: 7.5 Administration Tower � Level
Page 33 and 34: 7.6 Roof � Green Roof The block r
Page 35 and 36: 7.8 Sustainability Sustainable Desi
Page 37 and 38: 7.9 Mechanical Systems � Introduc
Page 39 and 40: 8.1 Architectural Design - Concept
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Page 43 and 44: 8.1 Architectural Design - Building
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Page 51 and 52: 8.2 Sustainability ( Reference Appe
Page 53 and 54: window shades located in the inters
Page 55: 8.4 Electrical � Overview The des
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DRAFT CONCEPT DESIGN REPORT UNIVERSITY OF CALGARY ...

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