City Of Winnipeg Tender

Full Title: pipe Hanger Upgrades And Water Hammer Mitigation - Stage 2 - Winnipeg Police Service Headquarters - 245 Smith Street D2.          scope Of Work D2.1        the Work To Be Done Under The Contract Shall Consist Of Inspection And Upgrades Of Pipe  Hangers In Areas As Shown On Drawings. Installation/replacement Of Water Hammer Arrestors As  Required By Plumbing Code. Inspect And Repair Fire Stopping Through Rated Walls And Add Pipe  Bracing As Required. D2.2        the Major Components Of The Work Are As Follows: (a)   Inspect And Test Each Hanger (see Detail 1/m1.0) As Per Manitoba Plumbing Code In The Project  Areas. Inspection To Include The Following Systems As Shown On Each Floor Plan: (i)     Domestic Water Lines, Including Cold Water Lines, Hot Water Lines, Hot Water Re- Circulate  Lines, Tempered Water Lines, Tempered Water Re-circulation Lines. (ii)     Hydronic Lines, Including Heating Hot Water Supply And Return Lines, Heating Glycol Supply  And Return Lines, And Chilled Water Supply And Return Lines. (iii)     Sanitary And Vent Lines. (b)   For Each System Noted Above Repair All The Deficient Hangers And Add Pipe Bracing As Required  To Ensure Maximum Spacing Of The Pipe Hangers Does Not Exceed That Identified In The Manitoba  Plumbing Code (see Details 2/m1.0 And 3/m1.0). (c)    install Unistrut Bracing To Prevent Lateral Movement Of Domestic Water Lines. Bracing To Be  Spaced At A Maximum Of 50 Feet Apart. (d)   Install A New Water Hammer Arrestor To Each Flush Valve Water Supply Or Group Of Fixtures  Including Water Supply In The Washrooms, Washing Machines, And Humidifiers In The Project Area. In  Some Areas, There Are Existing Installed Water Hammer Arrestors, These Water Hammer Arrestors Shall  Be Replaced With New Ones. Provide Air Chambers As Same Size As Supply Line Or 20mm (3/4”) Minimum. (i)     Pre-charged Hard Drawn Copper Shock Water Hammer Arrestors Complete With Brass Piston, Epdm  O-ring Seals And Threaded Connection. (ii)     Designed To Operate On Domestic Water To Maximum 1034 Kpa (150psi) Working Pressure At  Maximum Temperature 82 °c(180°f). (iii)     Water Hammer Arrestors Shall Be Sized Based On Pdi Standard. (e)   For Hydronic System Only, Weld Pipe Shoes To Pipe On Hot Water Supply And Return Mains.  Remove Insulation To Accommodate Welding And Repair After Complete (see Detail 4/m1.0). (f)    for Sanitary System Only, Add Pipe Hangers As Required To Ensure Cast Iron Piping Has  Hangers Within 6” Of Both Sides At All Mechanical Joints And Fittings (see Detail 5/m1.0). (g)   Inspect All Fire Stopping Of Pipe Penetrations Through Rated Walls Within The Project Areas  And Fix Deficient Fire Stopping (see Floor Plans For Rated Walls). (h)   Contractor To Submit Phasing Plan And Schedule For Review And Confirmation By Contract  Administrator. (i)     In Some Areas, Existing As-built Drawings Are Inaccurate. Contractor Shall Investigate And  Provide A Red Line Mark-up Of The Contract Drawings For Record “as-built” Drawings. Revised As  Required To Show Any Changes From That Originally Shown. D2.3        the Funds Available For This Contract Are $300,000.00.