Mechanical Addendum M-1

117 Pages·2016·0.78 MB·English

Mechanical Addendum M-1
DATE: July 7, 2016
PROJECT: Douglas Park Comm Ctr - HVAC / Boiler
PROJECT NO: 151366.000

To: Bruce Stad
Company: City of Vancouver
Address: 515 West 10th Avenue Ground Floor
Vancouver, BC V5Z 1K9

Email: [email protected]

This Addendum forms part of the Contract documents and is to be read, interpreted and coordinated with all other parts. The cost of all work
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.

This Addendum contains 1 pages.

The following items form part of the Scope of Work document issued [date]:

1.1 New boiler 2 port control valves to be installed complete with end switches and monitored on the DDC.
1.2 Updated mechanical specification attached. AHU and controls specification updated.
1.3 Provide VFD for AHU-2 fan. VFD to be provided by controls contractor including enable/status/control/alarm/VFD
feedback through DDC.

END

SEALED

Integral Group | Suite 180 - 200 Granville Street, Vancouver, BC V6C 1S4
+1.604.687.1800 | Integralgroup.com
SPECIFICATION
of
MECHANICAL WORK
for
Douglas Park Community Centre Boiler Replacement
801 West 22nd Avenue
Vancouver, BC
for
City of Vancouver

ARCHITECT MECHANICAL CONSULTANT
Integral Group
Suite 180 – 200 Granville Street
Vancouver, BC V6C 1S4

PROJECT NO: 151366.000

ISSUED FOR TENDER

ISSUE DATE: June 3, 2016

SEALED
Table of Contents

Section Description
22 05 00 Common Work Results for Plumbing
22 05 20 Thermometers and Pressure Gauges for Plumbing
22 05 29 Hangers and Supports for Plumbing Piping and Equipment
22 05 48 Vibration Isolation for Plumbing Piping Equipment
22 05 49 Seismic Restraint Systems for Plumbing Piping and Equipment
22 05 53 Identification for Plumbing Piping and Equipment
22 05 93 Testing, Adjusting and Balancing for Plumbing
22 07 16 Plumbing Equipment Insulation
22 07 19 Plumbing Piping Insulation
22 08 00 Commissioning of Plumbing
22 11 00 Facility Water Distribution and Equipment
22 16 00 Facility Natural Gas Piping
23 05 00 Common Work Results for HVAC
23 05 13 Common Motor Requirements for HVAC Equipment
23 05 20 Thermometers and Pressure Gauges
23 05 29 Hangers and Supports for HVAC Piping and Equipment
23 05 48 Vibration Isolation for HVAC Piping and Equipment
23 05 49 Seismic Restraint Systems for HVAC Piping and Equipment
23 05 53 Identification for HVAC Piping and Equipment
23 05 93 Testing, Adjusting and Balancing for HVAC
23 07 19 HVAC Piping Insulation
23 08 00 Commissioning of HVAC Systems
23 11 23 Facility Natural Gas Piping
23 21 13 Hydronic Piping, Valves and Fittings
23 21 14 Hydronic Specialties
23 21 23 Hydronic Pumps
23 25 00 HVAC Water Treatment
23 51 00 Breeching Chimneys and Stacks
23 52 00 Heating Boilers
23 73 10 Air Handling Units - Commercial
25 05 01 Integrated Automation (Direct Digital Controls)
25 30 01 BACnet Controls
25 90 01 Systems Sequences of Operation
25 90 02 Control Points List
Integral Group Common Work Results for Plumbing Section 22 05 00
Project No: 151366.000 June 3, 2016
Issued for Tender Page 1 of 3

1. GENERAL
1.1 General
.1 This Specification Section forms part of Contract Documents and is to be read, interpreted and coordinated with
other parts.
.2 General Conditions, Supplements, Amendments and this section shall govern plumbing sections (i.e. 22 00 00 to
22 99 99 sections) of work (read in conjunction with the Instructions to Tenderers or Bidders). This section covers
items common to 22 00 00 series sections and is intended only to supplement the requirements of Division 1.
.3 Plumbing drawings are diagrammatic and approximately to scale. They establish scope of plumbing work and
general location and orientation of plumbing facilities. Plumbing facilities shall be installed generally in locations
and generally along routings shown, close to building structure with minimum interference with services. Piping
shall be concealed within walls, ceilings or other spaces and shall be routed to maximize head room and
intended use of space through which they pass, unless specifically noted otherwise.
.4 Coordinate with the Electrical Contractor for all required electrical connections to plumbing equipment and
accessories. Where alternate or substituted equipment requires an electrical connection, the contractor shall
include all costs to provide a complete operating system.
1.2 Codes, Standards and Approvals
.1 Installation, workmanship and testing shall conform to the following standards:
.1 City of Vancouver’s Building By-Law Latest Edition.
.2 Canadian Gas Association, CGA B149.1-M10, Natural Gas and Propane Installation Code.
.3 British Columbia Gas and Safety Branch Bulletins.
1.3 Shop Drawings
.1 Shop drawings are required for all materials and equipment including, but not limited to, the following:
.1 Hot water tanks and heaters.
.2 Pumps and controls.
.3 Valves.
.4 Fire stopping.
1.4 Maintenance Data
.1 Refer to Section 23 05 00 Common Work Results for HVAC.
.2 Comprehensive description of operation of systems, including function of each item of equipment within systems.
.3 Lubrication schedule indicating recommended lubricants and grades (grease or oil) for lubricated equipment
components.
1.5 Record Drawings (As Built Drawings)
.1 Section 23 05 00 Common Work Results for HVAC shall apply to Plumbing Systems.
.2 In addition, as a minimum, during the construction period, keep on site clean set of drawing marked up, IN
COLOUR, to reflect as built state, for examination by Consultant on regular basis. Include elevations, rough-in
details and details and detailed locations of hidden services, including locations of maintenance items and their
associated identification code (i.e. Values). Underground services and/or concealed piping shall be dimensionally
located and noted (use gridlines or structure as the reference).
.3 At the time of ‘Substantial Completion’ submit to Consultant one complete full sized COLOUR photocopy of
Record Drawing information produced as per above section.
1.6 Temporary Usage of Plumbing Equipment
.1 Plumbing equipment and systems shall not be used without written permission of Consultant and under no
circumstances shall be used prior to testing and inspection.
1.7 Seismic Protection
.1 Refer to Section 22 05 49 Seismic Restraint Systems for Plumbing Piping and Equipment.
Integral Group Common Work Results for Plumbing Section 22 05 00
Project No: 151366.000 June 3, 2016
Issued for Tender Page 2 of 3

1.8 Building Operation during Construction
.1 To minimize operational difficulties for building’s staff, Contractor shall cooperate with Owner throughout entire
construction period and particularly ensure that noise and service disruptions are minimized.
.2 Convenient access for staff and public to building must be maintained. Minor inconveniences and interruption of
services will be tolerated, provided advance notice is given, but Contractor shall coordinate his work with Owner.
1.9 Existing Services
.1 Protect existing services encountered. Every effort has been made to show known existing services, however,
removal of concealing surfaces may reveal other existing services. Work with Owner’s staff to trace. Obtain
instructions from Consultant when existing services require relocation or modifications.
.2 Arrange work to avoid shut-downs of existing services. Where shut-downs are unavoidable, obtain Owner’s
approval of timing and work to minimize any interruptions.
.3 In order to maintain existing services in operation, temporary relocations and/or bypasses of piping may be
required.
.4 Be responsible for any damages to existing system by this work.
.5 Owner reserves right to withhold permission for reasonable period with respect to shut-downs, if shutting off of
service will interfere with important operations.
.6 Provide temporary means for domestic hot water and heat as required.
2. PRODUCTS
2.1 Hangers and Supports
.1 Refer to Section 22 05 29 for Hangers and Supports for Plumbing Piping and Equipment.
3. EXECUTION
3.1 Pressure Piping Installation
.1 General
.1 Install piping straight, parallel and close to walls and ceilings, with fall of not less than 1:50 for gravity piping
and with slope to drain cocks, fixtures or equipment for pressure piping, unless otherwise indicated on
drawings. Use standard fittings for direction changes. Provide drain cocks as required.
.2 Install groups of piping parallel to each other, spaced to permit application of insulation, identification and
service areas, on trapeze hangers.
.3 Where pipe size differs from connection size to equipment, install reducing fitting close to equipment.
Reducing bushings are not permitted.
.4 Brass and copper pipe and tubing shall be free from surface damage. Replace damaged pipe or tubing.
.5 Ream ends of pipe and tubes before installation.
.6 Install copper pipe to not contact with dissimilar metal and not be crimped or collapsed. Joints on cast or
ductile iron pressure service piping shall be made electrically conductive.
.7 Install flanges or unions and shut-off valves to permit removal of equipment without disturbing piping
systems.
.8 Clean ends of pipes or tubing and recesses of fittings to be jointed. Assemble joints without binding.
.9 Install piping to connections at fixtures, equipment, outlets and other appurtenances requiring service. Trap
and vent waste connections to fixtures. Grade all vents to drain back to waste piping.
.10 Plug or cap pipe and fittings to keep out debris during construction.
.11 Joint material shall be compatible with type of pipe used.
.12 Non-corrosive lubricant or Teflon tape shall be applied on male thread of threaded joints.
.13 Flush and clean out piping systems after testing.
Integral Group Common Work Results for Plumbing Section 22 05 00
Project No: 151366.000 June 3, 2016
Issued for Tender Page 3 of 3

.2 Equipment Drainage:
.1 Install drain valves at low points.
.2 Extend equipment drain piping to discharge into floor or hub drain.
3.2 Hangers and Supports
.1 Refer to section 22 05 29 for Hangers and Supports for Plumbing Piping and Equipment.
3.3 Testing and Inspection
.1 Refer to Section 22 05 93 – Testing, Adjusting and Balancing for Plumbing.
.2 Furnish labour, materials, instruments, etc. necessary for required tests. Work shall be inspected by local
plumbing inspector and review by Consultant.
.3 Correct leaks by remaking joints. Retest systems until no leaks are observed.
.4 Do not cover any plumbing system before being inspected and approved by Plumbing Inspector.
.5 If plumbing system or part thereof is covered before being inspected or approved, Contractor will uncover system
upon the direction of the Plumbing Inspector or Consultant.
3.4 Project Photographs
.1 Provide digital photographs of all systems prior to covering.
.2 Provide digital photographs in “jpeg” format to Consultant complete with text description of each photograph,
including date, system type, materials used, and location/direction for sections of underground piping prior to
backfilling. Submit photographs via email and/or disc as requested by Consultant. Individual email sizes not to
exceed 7MB in size.
.3 Provide additional digital photographs of work as requested by Consultant to assist in resolution of RFIs, prior to
covering work.
3.5 Substantial Completion Requirements
.1 The following items must be completed, with documentation, prior to the date of Substantial Completion:
.1 All pipe expansion compensators and flexible connections checked by Supplier with an inspection report
submitted to the Commissioning Agent and this Consultant.
.2 Seismic restraints reviewed and inspected by the Suppliers/Contractors’ British Columbia Registered
Professional Engineer, with a report submitted to the Commissioning Agent and this Consultant, with
supporting Schedule S/Schedule C Letters of Assurance.
.3 Potable water systems have been cleaned, flushed, chlorinated, and copies of final chlorination and water
quality tests have been submitted to the Commissioning Agent and this Consultant.
.4 All backflow prevention stations and devices have been tested, with test reports submitted to the
Commissioning Agent and this Consultant.
.5 All domestic hot water recirculation systems have been balanced and maximum wait time at fixtures verified,
with written balancing report submitted to the Commissioning Agent and this Consultant.
.6 Final plumbing Inspectors sign-off to be submitted to this Consultant.
.7 Final gas inspection sign-off to be submitted to this Consultant.
.8 Final As-built Record drawings have been submitted for review to this Consultant.
END OF SECTION 22 05 00
Integral Group Thermometers and Pressure Gauges for Plumbing Section 22 05 20
Project No: 151366.000 June 3, 2016
Issued for Tender Page 1 of 1

1. GENERAL
1.1 Related Work
.1 This Specification Section forms part of Contract Documents and is to be read, interpreted and coordinated with
other parts.
1.2 Scope of Work
.1 Refer to Section 23 05 19 Meters and Gauges for HVAC Piping. Comply with requirements of Section as related
to general requirements, products and execution.
.2 In addition to piping, equipment and systems listed in Section 23 05 20, provide thermometers and pressure
gauges complying with requirements of Section 23 05 20, on plumbing piping systems and equipment including
the following:
.1 Domestic cold water
.2 Domestic hot water and recirculation.
.3 Domestic tempered water and recirculation
.4 Natural gas.
.5 Tanks, pumps compressors, vacuum units and all other equipment.
.3 Provide thermometers in brass or stainless steel wells at heat exchangers, water heaters, and other equipment
intended to change temperature of fluid.
.4 Provide pressure gauges complete with isolation ball valves on both sides of pressure reducing valves, backflow
prevention stations, pumps, compressors and other equipment intended to change pressure of fluid. Provide
snubbers for pressure gauges located adjacent to pumps or compressors. Provide vacuum gauges at vacuum
units.
END OF SECTION 22 05 20
Integral Group Hangers and Supports for Plumbing Piping and Equipment Section 22 05 29
Project No: 151366.000 June 3, 2016
Issued for Tender Page 1 of 1

1. GENERAL
1.1 Related Work
.1 This Specification Section forms part of Contract Documents and is to be read, interpreted and coordinated with
other parts.
.2 Refer to Section 22 05 48 Vibration Isolation for Plumbing Piping and Equipment, and Section 22 05 49 Seismic
Restraint Systems for Plumbing Piping and Equipment.
1.2 Scope of Work
.1 Refer to Section 23 05 29 Hangers and Supports for HVAC Piping and Equipment. Comply with requirements of
Section as related to general requirements, products and execution.
.1 Acceptable Products: Hubbard Enterprises – Holdrite Systems.
.2 In addition to piping, equipment and systems listed in Section 23 05 29 provide hangers and supports complying
with requirements of Section 23 05 29 on plumbing piping and equipment including:
.1 Domestic cold water
.2 Domestic hot water and recirculation.
.3 Sanitary waste and venting.
.4 Natural gas.
.5 Tanks, pumps compressors, vacuum units and all other equipment.
END OF SECTION 22 05 29
Integral Group Vibration Isolation for Plumbing Piping Equipment Section 22 05 48
Project No: 151366.000 June 3, 2016
Issued for Tender Page 1 of 1

1. GENERAL
1.1 Related Work
.1 This Specification Section forms part of Contract Documents and is to be read, interpreted and coordinated with
other parts.
.2 Refer to Section 22 05 49 Seismic Restraint Systems for Plumbing Piping and Equipment.
1.2 Scope of Work
.1 Refer to Section 23 05 48 Vibration Isolation for HVAC Piping and Equipment. Comply with requirements of
Section as related to general requirements, products and execution.
.2 In addition to piping, equipment and systems listed in Section 23 05 48 provide vibration isolation complying with
requirements of Section 23 05 48 on plumbing piping and equipment including the following:
.1 Domestic cold water
.2 Domestic hot water and recirculation.
.3 Sanitary waste and venting.
.4 Natural gas.
.5 Tanks, pumps compressors, vacuum units and all other equipment.
END OF SECTION 22 05 48
Integral Group Seismic Restraint Systems for Plumbing Section 22 05 49
Project No: 151366.000 Piping and Equipment June 3, 2016
Issued for Tender Page 1 of 1

1. GENERAL
1.1 Related Work
.1 This Specification Section forms part of Contract Documents and is to be read, interpreted and coordinated with
other parts.
.2 Refer to Section 22 05 48 Vibration Isolation for Plumbing Piping and Equipment.
1.2 Scope of Work
.1 Refer to Section 23 05 49 Seismic Restraint Systems for HVAC Piping and Equipment. Comply with
requirements of Section as related to general requirements, products and execution.
.2 In addition to piping, equipment and systems listed in Section 23 05 49 provide seismic restraints complying with
requirements of Section 23 05 49 on plumbing piping and equipment, including the following:
.1 Domestic cold water
.2 Domestic hot water and recirculation.
.3 Sanitary waste and venting.
.4 Natural gas.
.5 Tanks, pumps compressors, vacuum units and all other equipment including flush tank urinal tanks.
1.3 Document Submittals
.1 Provide Letters of Assurance signed and sealed by Contractor’s specialist Registered Professional Engineer.
.2 Submit Schedule B Letters of Assurance or in accordance with Vancouver Building Bylaw to Consultant and local
Authority Having Jurisdiction at time of shop drawing submission.
.3 Submit ‘Schedule C-B: Assurance of Professional Field Review and Compliance’ in accordance with Vancouver
Building Bylaw to Consultant and to local Authority Having Jurisdiction minimum of 10 working days prior to
Occupancy.
END OF SECTION 22 05 49