October 8, 1998
Ms. Novina Wong
Clerk
City of Toronto
Station 1071, 7th Floor
Metro Hall
55 John Street
Toronto, Ontario
M5V 3C6
Dear Ms. Wong:
At its meeting on Wednesday, October 7, 1998, the Commission considered the attached report entitled, "Replace
McBrien Building Switchboards."
The Commission approved the Recommendation contained in the above report, as listed below:
"It is recommended that the Commission approve:
1)Proceeding with the replacement of McBrien Building Switchboards at a total cost of $290,000,
2)Forwarding this report to the City of Toronto Council advising them of a scope change, and
3)Staff to proceed with this expenditure and hold in TTC accounts, pending City Council Project Approval."
The foregoing is forwarded to City of Toronto Council for the necessary project approval, as detailed in the report.
Sincerely,
Vincent Rodo
General Secretary
1-64
Attachment
TORONTO TRANSIT COMMISSION
REPORT NO. 18
MEETING DATE :October 7, 1998
SUBJECT:REPLACE MCBRIEN BUILDING SWITCHBOARDS
RECOMMENDATION
It is recommended that the Commission approve:
1)proceeding with the replacement of McBrien Building Switchboards at a total cost of $290,000,
2)forwarding this report to the City of Toronto Council advising them of a scope change, and
3)staff to proceed with this expenditure and hold in TTC accounts, pending City Council Project Approval.
FUNDING
Due to lower costs than anticipated for surface vehicle hoist in Project 3.2, sufficient funds are available in 1998 for this
unbudgeted expenditure within Project Program 3.2 - Equipment of the 1998-2002 Capital Program as approved by City
Council on April 29,1998. This item has been included in the proposed 1999-2003 Capital Program under 3.2 -
Equipment.
BACKGROUND
The existing primary electrical distribution system (switchboard), located in the basement of the McBrien building,
receives, controls and directs power to the entire building. The switchboard is approximately 40 years old and does not
meet present Ontario Hydro code requirements for short circuit capacity. On July 28, 1998, the CGM approved funds in
the amount of $46,000 to commence design work.
DISCUSSION
Following maintenance work to the switchboard in March 1998, Ontario Hydro approved power re-connection with the
understanding that upgrade of the major internal components will be carried out within approximately one year.
The main concern with the switchboard is the fact that the 50,000A short circuit capacity of the existing main breakers is
significantly lower than the recently upgraded Toronto Hydro service, which has a short circuit capacity of 100,000A. As
a result of this incompatibility, there exists the potential for damage to the building facilities in the event of a short circuit
fault. The switchboard could be destroyed creating a power blackout in the entire building for an extended period of time.
JUSTIFICATION
The work identified is to be completed in late 1998 or early 1999, in order to address the high risk of damage to the
McBrien Building electrical distribution systems, computer systems and heating and ventilation systems, and to return this
facility to a state of good repair and safety. Project approval will provide the necessary funds to complete this project this
year and thereby comply with the Electrical Code.
September 10, 1998
85-21-21
190384
STAFF SUMMARY SHEET
ENGINEERING & CONSTRUCTION BRANCH |
PREPARED BY: P. AndersonDEPARTMENT HEAD - T.G. Middlebrook
EXTENSION: 4075GENERAL MANAGER - J.A. Sepulis
USER ID: Panderso |
COMMISSION REPORT RE:REPLACE MCBRIEN BUILDING SWITCHBOARDS
DISCUSSION:
FUNDING:
(If Applicable)
RECOMMENDATIONS:
|
# |
ROUTING |
CONCUR |
NON-CONCUR |
DATE |
ATTACHMENT(S) |
2 |
GM - ENG & CONST |
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|
- Commission Report
|
6 |
GM - EXECUTIVE |
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4 |
GM - OPERATIONS |
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3 |
DEPUTY GM - SUBWAY |
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|
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|
DEPUTY GM - SURFACE |
|
|
|
|
DEPUTY GM - CORPORATE CORP |
|
|
|
ACTION REQUIRED BY CHIEF GENERAL MANAGER |
|
GENERAL COUNSEL |
|
|
|
9 SIGN AGREEMENT
9 RECEIVE FOR INFORMATION
9 APPROVE
: APPROVE FOR SUBMISSION TO COMMISSION
9 APPROVE FOR SUBMISSION TO CHAIR
__________________________________________
SIGNATUREDATE
|
5 |
CHIEF FINANCIAL OFFICER |
|
|
|
|
MGR - HUMAN RES |
|
|
|
|
MGR - M&P |
|
|
|
1 |
CHIEF ENGINEER |
|
|
|
|
|
|
|
|
|
|
|
|
|
190384
|