INVITATION TO TENDER ( ITT ) NO. PS SKYLIGHT REPLACEMENT: VANCOUVER CITY HALL & ART GALLERY LOBBY ADDENDUM NO. 1

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1 FINANCIAL SERVICES GROUP Supply Chain Management May 5 th, 2016 INVITATION TO TENDER ( ITT ) NO. PS SKYLIGHT REPLACEMENT: & ART GALLERY LOBBY ADDENDUM NO. 1 RE: PART A Appendix 3 Specifications PLEASE ADD: 1. Abbreviated scope of work (1 page) 2. City Hall Drawings A106-A109 (4 pages) This Addendum must be completed, and attached to your Tender form. If you have already submitted your Tender, this Addendum shall be submitted to the Purchasing Services Office, City of Vancouver, 453 West 12 th in an envelope clearly marked ADDENDUM No. 1 to ITT No. PS Skylight Replacement: Vancouver City Hall & Art Gallery Lobby before the closing time of 3:00:00 P.M. Vancouver Time on Thursday, May 12, 2016 Avenue, Vancouver, British Columbia, Canada, V5Y 1V4. NAME OF VENDOR SIGNATURE OF AUTHORIZED SIGNATORY Contracting Specialist Dino Goundouvas DATE City of Vancouver, Financial Services Group Supply Management 453 West 12th Avenue Vancouver, British Columbia V5Y 1V4 Canada tel: fax: website: vancouver.ca

2 Skylight Well at 3 rd Floor Office Area Abbreviated scope of work: This work includes all labour and materials necessary to build a skylight well in the 3 rd floor office space. The work includes: Remove and dispose of drop ceiling components in the affected area Supply and install min. 20 ga. Steel studs, struts and tracks to frame skylight well. Anchor to concrete soffit with powder actuated fasteners with metal top hat washer (Hilti X-S16-P8TH) or approved equivalent. Finished skylight well can be approximately ¾ inch lower than the adjacent drop ceiling to provide a small reveal at the drop ceiling to skylight well interface if required by site conditions. Supply and install ½ inch Gypsum Wall Board (GWB) to form skylight well and returns. Mud, tape, corner bead, sand, prime and paint GWB. Paint colour and sheen to be selected by owner. Relocate electrical, data and related wires and cables to bypass finished skylight well. All work to be completed with qualified trades. Junctions to be completed in compliance with relevant by-laws, codes and best practice. All services to be un-interrupted during normal working hours. Existing sprinkler to remain in place. Relocation not required. Paint pipe to blend into skylight well. Prepare and paint all exposed concrete and trim to match skylight well. Clean existing light diffuser panels on both sides. Reinstate drop ceiling. Ensure ceiling tile sizes are adjusted to provide an aesthetically acceptable finish.

3 S01 A107 REVISIONS: EXISTING ROOF SYSTEM NEW 1x6" PAINT GRADE WOOD TRIM NOTCH TO SUIT SITE CONDITIONS NEW 3 5/8 " DIAGONAL METAL 24" O.C. NEW 1/2" GWB MISC. CABLES, CONDUITS, ELECTRICAL & DATA EXISTING ELECTRICAL CONDUIT S03 A108 EXISTING SPRINKLER PIPE TO REMAIN & PAINT EXISTING SPRINKLER TO REMAIN & PAINT A108 S02 EXISTING PARTITION WALL SKYLIGHT A106

4 REVISIONS: EXISTING ROOF SYSTEM NEW 3 5/8 " DIAGONAL METAL 24" O.C. NEW 3 5/8 " METAL STUD FRAMED STRUCTURE NEW 1/2" GWB NEW 1x6" PAINT GRADE WOOD TRIM NOTCH TO SUIT SITE CONDITIONS SKYLIGHT - SECITION 01 A107

5 REVISIONS: EXISTING ROOF SYSTEM NEW 3 5/8 " DIAGONAL METAL 24" O.C. NEW 1/2" GWB SKYLIGHT - SECITION 02 A108

6 REVISIONS: NEW 3 5/8 " METAL STUD FRAMED STRUCTURE. EXTEND BEYOND SKYLIGHT EDGES TO ALLOW ROOM FOR NAILING NEW 1x6" PAINT GRADE WOOD TRIM NOTCH TO SUIT SITE CONDITIONS SKYLIGHT - SECTION AT REFLECTING CEILING PLAN A109