1. Attached is a copy of addendum #4 issued by Diamond Schmitt Architects, dated

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1 REQUEST FOR TENDER WILDLIFE HEALTH CENTRE RFT # 47 ( ) ADDENDUM # 4 This addendum shall be incorporated into, and form part of RFT # 47 ( ) and take precedence over all requirements of the previously issued bid documents including plans. This addendum must be signed by the bidder (signing officer) in the appropriate space and must be attached to the Form for submission by the bidder. This Addendum consists of one (1) page and the documents listed below. 1. Attached is a copy of addendum #4 issued by Diamond Schmitt Architects, dated Receipt of the Addendum shall be acknowledged as part of your submission. The Board of Management of the Toronto Zoo reserves the right to reject any or all Quotations or to accept any quotation, should it deem such action to be in its interests. If you have any queries regarding this matter, please contact Mr. Peter Vasilopoulos, Supervisor, Purchasing & Supply, at Yours truly, Peter Vasilopoulos Supervisor, Purchasing & Supply I/we hereby acknowledge receipt of this addendum and make allowance in my bid. Signed (Must be Signing Officer of Firm) Name of Firm Date:

2 To: Toronto Zoo 361A Old Finch Avenue Scarborough, Ontario M1B 5K7 Attention: Leona Mitchell ADD. No: 4 Project No: 1029 File No: Date: Pages (with cover): x11 pages, 1 36 x48 sheet To lmitchell@torontozoo.ca Project: Toronto Zoo Wildlife Health Centre Delivery: by The following information supplements and/or supersedes the bid documents issued on This Addendum forms part of the contract documents and is to be read, interpreted and coordinated with all other parts. The cost of all contained herein is to be included in the contract sum. The following revisions supersede the information contained in the original drawings and specifications issued for the above-named project to the extent referenced and shall become part thereof. Acknowledge receipt of this Addendum by inserting its number and date on the Tender Form. Failure to do so may subject the bidder to disqualification. 1.0 Title 1.1 Addendum No References 2.1 Section 1 Instruction to Bidders, RFT# 47, dated Section 2 Forms, RFT# 47, dated Section 3 General Conditions RFT# 47, dated Section 4 Volume 1 Architectural, Structural, and Landscape Specifications and Schedules Issued for Bid, dated Section 4 Volume 2 Mechanical and Electrical Specifications Issued for Bid, dated Section 5 Toronto Zoo Wildlife Health Centre Construction Drawings Issued for Tender, dated Section 6 Available Project Information Issued for Bid, dated Addendum No. 1 dated Addendum No. 2 dated Addendum No. 3 dated H.H. Angus Electrical Addendum No. 2, copy attached 3.0 Description 3.1 General Bidders are to acknowledge receipt of this addendum by signing the addendum and attaching the signed addendum to their Tender Submission Refer to attached H.H. Angus Electrical Addendum No Section 1 - Instruction to Bidders y:\2010 projects\1029 toronto zoo health\6-packages issued\6-2 tender packages\6-2-1 tender pkg 01\addenda\addendum no. 4\toronto zoo wildlife health centre - addendum no. 4.docx

3 3.3 Section 2 - Forms 3.4 Section 3 General Conditions 3.5 Section 4 Volume 1 and Volume 2 Specifications 3.6 Section 5 Construction Drawings 3.7 Section 6 Available Project Information 3.8 Response to Bidders Questions End of Addendum Per: Copied: Eric Lucassen Jon Soules DSAI File y:\2010 projects\1029 toronto zoo health\6-packages issued\6-2 tender packages\6-2-1 tender pkg 01\addenda\addendum no. 4\toronto zoo wildlife health centre - addendum no. 4.docx 2

4 To: Toronto Zoo 361A Old Finch Avenue Scarborough, Ontario M1B 5K7 ADD. No: Electrical Addendum #2 Project No: 1029 File No: Attention: Leona Mitchell Pages (with cover): x11 pages, 1 36 x48 sheet To lmitchell@torontozoo.ca Project: Toronto Zoo Wildlife Health Centre Delivery: by The following information supplements and/or supersedes the bid documents issued on This Addendum forms part of the contract documents and is to be read, interpreted and coordinated with all other parts. The cost of all contained herein is to be included in the contract sum. The following revisions supersede the information contained in the original drawings and specifications issued for the above-named project to the extent referenced and shall become part thereof. Acknowledge receipt of this Addendum by inserting its number and date on the Tender Form. Failure to do so may subject the bidder to disqualification. Date: 1. TITLE HH ANGUS ELECTRICAL ADDENDUM #2 2. QUESTIONS AND ANSWERS 1. Q: Section item requests a verification of the new DGP in its interim location. Code requirements state that when verifying a new DGP we must conduct a ULC/CAN S536 on the existing field devices being tied into the new DGP. We will need the existing field device counts in order to price this properly. Perhaps a copy of the existing annual inspection report covering these areas will provide the device counts needed to price this portion of the work. A: Bidders are responsible for examining existing site conditions and ensuring their tender submissions encompass existing conditions. 2. Q: Please provide a location for PP-WHC-EAA. A: Refer to Drawing Section of this Addendum. 3. Q: Please provide a location and a panel schedule for LP-WHC-EF. It is shown on Dwg. E012. A: Refer to Drawing Section of this Addendum. 4. Q: In the Specs section , Roller Shades, you ask for motorized roller shades. The electrical drawing E201 doesn t have electrical power for those. Could you please clarify? A: Refer to Drawing Section of this Addendum. 5. Q: Please confirm the UPS rating. Specifications detail an 80kVA UPS. Drawing indicates a 50kVA UPS. A: Refer to HHA Electrical Addendum #1, the drawing was updated to match the specifications. y:\2010 projects\1029 toronto zoo health\6-packages issued\6-2 tender packages\6-2-1 tender pkg 01\addenda\addendum no. 4\electrical\toronto zoo wildlife health centre - electrical addendum no. 2.docx

5 3. SPECIFICATIONS 3.1. Reference Specification Section Addressable Fire Alarm System (not re-issued): Refer to clause Input (Alarm Initiating Circuits). Add: or separate MICC cable following via a separate conduit. Revise second sentence to read: Provide a conduit or MICC cable run from the Respective control panel to the first and last device on the loop Refer to clause Wiring. Revise sentence to read: Main trunk wiring shall be two hour rated MICC cables Add clause as follows: Where initiating circuits pass through one or more zones before reaching the zone that they monitor, the wiring that passes through the other zones shall be two hour rated MICC cable Add clause as follows: Where signal circuits pass through one or more zones before reaching the zone they serve, the wiring that passes through the other zones shall be two hour rated MICC cable Reference Specification Section Appendix B - EXISTING FIRE ALARMS ZONE GRAPHIC BY ANNUNCIATOR (issued herewith): Existing graphic by annunciator is attached for reference purposes Reference Electrical Panel Schedule LP-WHC-C (not re-issued): Circuit 69 to be 20A, 1P breaker for motorized blinds in Radiology WH Circuit 71 to be 20A, 1P breaker for motorized blinds in Treatment WH Circuit 73 to be 20A, 1P breaker for motorized blinds in Surgery WH DRAWINGS 4.1. Reference Drawing E004 Electrical and Communication Room Details Power and Systems (not re-issued) and Sketches ESK-E004.3 (issued herewith): Revise Detail 4, as per the attached Sketch Reference Drawing E011 Interim Single Line Diagram (not re-issued) and Sketches ESK- E011.2, and ESK-E011.3 (issued herewith): Revise drawing, as per the attached Sketches Reference Drawing E012 New Single Line Diagram (not re-issued) and Sketches ESK-E012.5, ESK-E012.6, ESK-E012.7 and ESK-E012.8 (issued herewith): Revise drawing, as per the attached Sketches Reference Drawing E041 Fire Alarm Riser Diagram, Schedules and Details (re-issued herewith): Revise detail 1, fire alarm riser diagram, as per re-issued drawing Reference Drawing E101 Level 1 Ground Floor Plan Lighting Layout (not re-issued) and Sketch ESK-E101.5 (issued herewith): Revise drawing, as per the attached Sketch Reference Drawing E102 Level 2 Second Floor Plan Lighting Layout (not re-issued) and Sketches ESK-E102.1 and ESK-E102.2 (issued herewith): Revise drawing, as per the attached Sketches. y:\2010 projects\1029 toronto zoo health\6-packages issued\6-2 tender packages\6-2-1 tender pkg 01\addenda\addendum no. 4\electrical\toronto zoo wildlife health centre - electrical addendum no. 2.docx 2

6 4.7. Reference Drawing E201 Level 1 Ground Floor Plan Power Layout (not re-issued) and Sketch ESK-E201.2 (issued herewith): Revise drawing, as per the attached Sketch Reference Drawing E301 Level 1 Ground Floor Plan Systems Layout (not re-issued) and Sketches ESK-E301.5 and ESK-E301.6 (issued herewith): Revise drawing, as per the attached Sketches Reference Drawing E302 Level 2 Second Floor Plan Systems Layout (not re-issued) and Sketches ESK-E302.5, ESK-E302.6, ESK-E302.7 and ESK-E302.8 (issued herewith): Revise drawing, as per the attached Sketches Reference Drawing E401 Penthouse Lighting, Power and Systems Layout (not reissued) and Sketch ESK-E401.1 (issued herewith): Revise drawing, as per the attached Sketch. y:\2010 projects\1029 toronto zoo health\6-packages issued\6-2 tender packages\6-2-1 tender pkg 01\addenda\addendum no. 4\electrical\toronto zoo wildlife health centre - electrical addendum no. 2.docx 3

7 Toronto Zoo Wildlife Health Centre HH Angus & Associates Ltd. Project No.: 1029 Appendix B EXISTING FIRE ALARM ZONES Appendix B Page 1 October 30, 2014 APPENDIX B EXISTING FIRE ALARM ZONES GRAPHIC BY ANNUNCIATOR See following documents. END OF SECTION Issued For Tender

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9 EXIST ELECTRICAL ROOM HHAngus & Associates Limited Consulting Engineers 1127 Leslie Street, Toronto, ON, M3C 2J6 Canada ELECTRICAL ROOM I.T. CLOSET

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16 CONTRACTOR MUST CHECK & VERIFY ALL DIMENSIONS ON THE JOB. DO NOT SCALE DRAWINGS. ALL DRAWINGS, SPECIFICATIONS AND RELATED DOCUMENTS ARE THE COPYRIGHT PROPERTY OF THE ARCHITECT AND MUST BE RETURNED UPON REQUEST. REPRODUCTION OF DRAWINGS, SPECIFICATIONS AND RELATED DOCUMENTS IN PART OR IN WHOLE IS FORBIDDEN WITHOUT THE WRITTEN PERMISSION OF THE ARCHITECT. THIS DRAWING IS NOT TO BE USED FOR CONSTRUCTION UNTIL SIGNED BY THE ARCHITECT. ISSUED No Date Issued Animal Healthcare Consultant 455 Arden Road, Columbus, Ohio, USA Tel: TORONTO ZOO WILDLIFE HEALTH CENTRE 361A OLD FINCH AVENUE TORONTO, ONTARIO FIRE ALARM RISER DIAGRAM, SCHEDULES AND DETAILS

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