ADDENDUM # T32 OC Transpo Orleans Transitway Station Drivers Facility Renovations Date: 18 September 2013

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1 City of Ottawa Supply Branch 100 Constellation Drive 4 th Floor, West Tower Ottawa, Ontario K2G 6J8 Fax: (613) Telephone: (613) Ville d Ottawa Gestion de l approvisionnement 100, promenade Constellation 4e étage, tour Ouest Ottawa, Ontario K2G 6J8 Téléc: (613) Téléphone: (613) ADDENDUM # T32 OC Transpo Orleans Transitway Station Drivers Facility Renovations Date: 18 September 2013 Please note the following additions/ clarification to the above noted Contract as prepared by GRC Architects dated 17 September All other terms and conditions remain the same. This addendum forms part of the Request for Tender. Please acknowledge in your Tender submission receipt thereof. Failure to do so may result in rejection of the Tender submission. For further questions, please contact Louise Amyotte-Baker, Purchasing Officer, Supply Branch at (613) extension Page 1 OCA

2 grc architects 47 Clarence Street, Suite 401, Ottawa, Ontario K1N 9K1 t: , f: Tender Addendum 002 Project: PLACE D ORLÉANS TRANSITWAY, 1231 PLACE D ORLÉANS DR Issued: September 17, 2013 Owner: City of Ottawa GRC Project No.: 0513 Objective: This Addendum alters, amends, deletes, substitutes, supplements and/or supersedes components in the contract documents. Distribution: Project Manager Structural Mechanical Electrical Robert Lafontaine Halsall & Associates Ltd McKee Engineering Ltd. McKee Engineering Ltd. The following items form part of the Contract Documents: 1. Attachments: Architectural 1. Specification Acoustical Ceiling Systems, 2 pages, dated September 2013, prepared by GRC Architects 2. Drawing ASK A100 1, dated September 16, 2013, prepared by GRC Architects 3. Drawing ASK A500 1, dated September 16, 2013, prepared by GRC Architects 4. Drawing ASK A600 1, dated September 16, 2013, prepared by GRC Architects 5. Drawing ASK A700 1, dated September 16, 2013, prepared by GRC Architects 6. Drawing ASK A700 2, dated September 16, 2013, prepared by GRC Architects 7. Drawing ASK A700 3, dated September 16, 2013, prepared by GRC Architects 8. Drawing ASK A700 4, dated September 16, 2013, prepared by GRC Architects Structural 1. SA01, dated September 16, 2013, prepared by Halsall & Associates Ltd. Mechanical 1. M001, dated September 17, 2013, prepared by McKee Engineering Electrical 2. E001, dated September 17, 2013, prepared by McKee Engineering Page 1 of 21

3 grc architects 47 Clarence Street, Suite 401, Ottawa, Ontario K1N 9K1 t: , f: Tender Addendum Description: 1) Specifications 1. Section MODIFIED BITUMINOUS MEMBRANE ROOFING 1. Add new clause 2.05, "Vapour Barrier:" with the following new sub clause: 1. Sopravap'R membrane by Soprema 2. Add new clause to read, "Adhere vapour barrier to prepared existing concrete substrate in accordance with manufacturer's recommendations 2. Section GLAZED ALUMINUM CURTAIN WALLS: 1. Add new clause , "Framing System:" with the following new sub clauses: 1. Mullion system: 1. Horizontal and vertical members: interior framing approximately 50mm wide x 50mm deep with 25mm interior exposure. Exterior caps approximately 50mm wide x 25mm deep. Sizes and profiles to match existing mullion system 2. Thermally broken with interior tubular section insulated from exterior pressure plate 3. Matching stops and pressure plates to provide adequate bite on glass for 25mm thick glazing units 1. Only dry interior and exterior glazing gaskets are permitted 4. Drainage holes, deflector plates and internal flashings to accommodate internal weep drainage system 3. Section Tiling: 1. Revise to read, "Tile selections as indicated on drawings" 2. Delete , and and all sub clauses in their entirety 4. Section Acoustical Ceiling Systems: 1. Add this section in its entirety 2) Drawings Architectural 1. Reference Drawing ASK A100 1 a. Delete trench from proposed Unisex Washroom to Men s Washroom b. Revised notes regarding new opening between Photo Room and Ticket Office c. Revised note regarding removal of windows and doors. 2. Reference Drawing A100 Detail 2 a. Remove dimension between MW 2 and exterior concrete curb in Inspector s Room Reference Drawing A300 Detail 9 a. Batt insulation to be used instead of spray foam insulation. 4. Reference Drawing A300 Detail 10 a. Batt insulation to be used instead of rigid insulation. 5. Reference Drawing ASK A500 1 a. Revised illustration of door opener and provided mounting height. Page 2 of 21

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5 Place D Orléans Transitway Section Place D Orléans Dr, Ottawa, ON. ACOUSTICAL CEILING SYSTEMS City of Ottawa Project No. CR Page 1 of 2 1 GENERAL 1.01 REFERENCES.1 American Society for Testing and Materials International (ASTM).1 ASTM C , Specifications for the Manufacture, Performance and Testing of Metal Suspension Systems for Acoustical Tile and Lay-In Panel Ceilings..2 ASTM C , Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-In Panels DESIGN REQUIREMENTS.1 Maximum deflection: 1/360th of span to ASTM C635 deflection test WASTE MANAGEMENT AND DISPOSAL.1 Separate and recycle waste materials in accordance with Section Waste Management and Disposal STORAGE AND HANDLING.1 Store materials inside, level, under cover. Protect from weather, damage from construction operations and other causes, in accordance with manufacturer's printed instructions..2 Handle materials to prevent damage to edges or surfaces. Protect metal accessories and trim from being bent or damaged. 2 PRODUCTS 2.01 ACOUSTICAL CEILING PANELS.1 Acoustic units.1 Edge type: square..2 Colour: white..3 Size nominal 600 x 1200 x 15 mm thick..4 Acceptable products:.1 Dune #1773 by Armstrong.2 Olympia ClimaPlus Micro SQ by CGC.3 Sand Micro-Trim by Certainteed 2.02 ACOUTICAL SUSPENSION.1 Intermediate duty system to ASTM C Basic materials for suspension system: commercial quality cold rolled steel, zinc coated..3 Suspension system: non fire rated, two directional exposed tee bar grid. grc architects Inc September 2013

6 Place D Orléans Transitway Section Place D Orléans Dr, Ottawa, ON. ACOUSTICAL CEILING SYSTEMS City of Ottawa Project No. CR Page 2 of 2.4 Exposed tee bar grid components: shop painted satin sheen, white colour. Components die cut. Main tee with double web, rectangular bulb and 25mm wide rolled cap on exposed face. Cross tee with rectangular bulb; web extended to form positive interlock with main tee webs; lower flange extended and offset to provide flush intersection..5 Hanger wire: galvanized soft annealed steel wire, 3.6 mm diameter for access tile ceilings..6 Hanger inserts: purpose made..7 Accessories: splices, clips, wire ties, retainers and wall moulding flush, to complement suspension system components, as recommended by system manufacturer. 3 EXECUTION 3.01 INSTALLATION OF SUSPENSION SYSTEM.1 Installation: in accordance with ASTM C636 except where specified otherwise..2 Do not erect ceiling suspension system until work above ceiling has been inspected by Consultant.3 Secure hangers to overhead structure using attachment methods suitable to accommodate imposed dead and seismic loads.4 Install hangers spaced at maximum 1200 mm centres and within 150 mm from ends of main tees..5 Lay out system according to reflected ceiling plan..6 Install wall moulding to provide correct ceiling height..7 Completed suspension system to support super-imposed loads, such as lighting fixtures diffusers and grilles.8 Support at light fixtures diffusers with additional ceiling suspension hangers within 150 mm of each corner and at maximum 600 mm around perimeter of fixture..9 Interlock cross member to main runner to provide rigid assembly..10 Finished ceiling system to be square with adjoining walls and level within 1: INSTALLATION OF ACOUSTIC PANELS.1 Install acoustical panels and tiles in ceiling suspension system..2 Co-ordinate ceiling work to accommodate components of other sections, such as light fixtures, diffusers, speakers, sprinkler heads, to be built into acoustical ceiling components. END OF SECTION grc architects Inc September 2013

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14 Addendum SA01 Issued to: GRC Architects September 16, 2013 Project: OCTRANSPO ORLEANS STATION RENOVATION, OTTAWA, ON Project No.: 113Y A Owner: OCTRANSPO The following clarification and revision items are noted, as they relate to the specifications and drawings previously issued. STRUCTURAL ITEMS 1. Title: SA01 2. Attachments:.1 3 Sketches: SA01.01 through SA Description:.1 Provide new concrete curb as per SA01.01 and SA Unless noted otherwise provide support at top of new block walls as per SA Delete typical new underslab piping. The requirement for in slab or under slab trenching is removed from project Prepared By: Ian Fuller, P.Eng. END OF BULLETIN Page 1 of 1

15 S200 PLOTTED BY: IJF PLOTTED FOR: SA01 PLOT DATE & TIME: :57:57 AM PLOT SCALE: 1:1 AT 8.5"x11" SHEET SIZE. READ DRAWING ACCORDINGLY. FILE: P:\Y160\2013\13Y A - OCTRANSPO ORLEANS STATION RENOVATION\DRAWINGS\STRUCT\13Y A.S200.DWG NEW NON-LOAD BEARING BLOCK WALL INFILL AT STAIRS PL1 PLATE REFER TO PROJECT DETAIL FOR REINFORCING NEW NON-LOAD BEARING BLOCK WALL 2013 HALSALL ASSOCIATES UNAUTHORIZED USE IS PROHIBITED halsall.com 5 S200 NEW CONC, REFER TO SECTION EXISTING CONC CURB TO REMAIN PL2 PLATE REFER TO PROJECT DETAIL FOR REINFORCING SA GLADSTONE AVE., SUITE 4001, OTTAWA, ON CANADA K2P 0Y6 PHONE: THIS DRAWING TO BE READ IN CONJUNCTION WITH S200 OC Transpo Orleans Station Renovation Structural Addendum No.1 REVISED PART EXISTING GROUND FLOOR PLAN FAX: K Date: Scale: 2013/09/12 1:50 Drawn by: Checked by: PDM IJF Project No. 13Y A Drawing No. SA01.01

16 TO MATCH EXISTING PLOTTED BY: IJF PLOTTED FOR: SA01 PLOT DATE & TIME: :58:38 AM PLOT SCALE: 1:1 AT 8.5"x11" SHEET SIZE. READ DRAWING ACCORDINGLY. FILE: P:\Y160\2013\13Y A - OCTRANSPO ORLEANS STATION RENOVATION\DRAWINGS\STRUCT\13Y A.S200.DWG 15@200H PROVIDE MATCHING DWLS EACH END WITH CLASS B LAP DRILL AND EPOXY WITH 200 EMBED NEW CONC CURB DRILL & EPOXY 15@200 WITH 200 EMBED 2013 HALSALL ASSOCIATES UNAUTHORIZED USE IS PROHIBITED 5 S200 SCALE 1:20 TO MATCH EXISTING REFER TO ARCH SA01 halsall.com EXISTING CONC SLAB ON GRADE OC Transpo Orleans Station Renovation Structural Addendum No.1 REVISED PART EXISTING GROUND FLOOR PLAN/S GLADSTONE AVE., SUITE 4001, OTTAWA, ON CANADA K2P 0Y6 PHONE: THIS DRAWING TO BE READ IN CONJUNCTION WITH S200 FAX: Date: Scale: 2013/09/12 1:20 Drawn by: Checked by: PDM IJF Project No. 13Y A Drawing No. SA01.02

17 12Ø DCA 25 DEFLECTION GAP 5 BENT PLATE ( o/c. WIDTH TO SUIT WALL THICKNESS SA01 PLOTTED BY: IJF PLOTTED FOR: SA01 PLOT DATE & TIME: :56:46 AM PLOT SCALE: 1:1 AT 8.5"x11" SHEET SIZE. READ DRAWING ACCORDINGLY. FILE: P:\Y160\2013\13Y A - OCTRANSPO ORLEANS STATION RENOVATION\DRAWINGS\STRUCT\13Y A.S100.DWG 2013 HALSALL ASSOCIATES UNAUTHORIZED USE IS PROHIBITED 12Ø DCA EACH CLIP L THIS DRAWING TO BE READ IN CONJUNCTION WITH S101 OC Transpo Orleans Station Renovation Structural Addendum No GLADSTONE AVE., SUITE 4001, OTTAWA, ON CANADA K2P 0Y6 PHONE: NEW PROJECT DETAIL PD02 halsall.com FAX: Date: Scale: 2013/09/12 NTS Drawn by: Checked by: PDM IJF Project No. 13Y A Drawing No. SA01.03 CLIP L102x76x6.4 (LLV) o/c EACH SIDE STAGGERED SPACING 25 DEFLECTION GAP 38 LATERAL SUPPORT OF NON-BEARING INTERIOR MASONRY PARTITIONS PD02 SEPT

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