i. addition please find attached division 15 to be added

Michael Pacholok, Director Purchasing and Materials Management Division City Hall, 18th Floor, West Tower 100 Queen Street West Toronto, Ontario M5H 2N2

Joanne Kehoe Manager Professional Services

August 3, 2016 VIA PDF: (1 page + 1 attachment)

ADDENDUM NO. 1

REQUEST FOR TENDER NO. 108-2016

CONTRACT NO. MCP-14-07

For: Construction Services for the Replacement of Aging "Electrical Substation – West" at

Humber Wastewater Treatment Plant

CLOSING: 12:00 NOON (LOCAL TORONTO TIME), AUGUST 24, 2016

Please refer to the above Request for Tender (RFT) document in your possession and be advised of the

following:

I. ADDITION

Please find attached Division 15 to be added to Section 4 of the Tender document – 46 pages

Should you have any questions regarding this addendum contact Candida Charles at [email protected]

or 416-392-7326.

Please attach this addendum to your RFT document and be governed accordingly. Tenderers are to

acknowledge receipt of all addenda in their Tender in the space provided on the Tender Cover Page as per

Section 1 – Tender Process Terms and Conditions, item 8 of the RFT document. All other aspects of the

RFT remain the same.

Robert Nichols

Acting Supervisor

Professional Services

1

mailto:[email protected]

DIVISION 15

MECHANICAL

No. of Pages

15072 Vibration Isolation 3 15075 Mechanical Identification 5 15200 Detailed Piping Specifications 6 15401 Plumbing Specialties and Accessories 6 15766 Unit Heaters - Electric 3 15769 Cabinet Convector Heaters 3 15823 Dampers – Fire and Smoke 2 15851 Louvres, Intake Hoods and Dampers 4 15852 Grilles and Outlets 2 15862 Fans 4 15916 HVAC Controls 2 15950 Testing, Adjusting and Balancing (TAB) of Mechanical Systems 5

2

City of Toronto 15072 Humber Treatment Plant VIBRATION ISOLATION West Substation Upgrades MCP-14-07 Page 1 of 3

1 General

1.1 RELATED SECTIONS

.1 Section 01330 - Submittals.

.2 Section 15950 - Testing, Adjusting and Balancing (TAB) of Mechanical Systems.

1.2 SHOP DRAWINGS

.1 Submit shop drawings in accordance with Section 01330 - Submittals.

.2 Provide separate shop drawings for each isolated system complete with performance and product data.

2 Products

2.1 GENERAL

.1 Size and shape of bases type and performance of vibration isolation to be as indicated.

2.2 ELASTOMERIC PADS

.1 Type EP1 - neoprene waffle or ribbed; 9 mm minimum thick; 50 durometer; maximum loading 350 kPa.

.2 Type EP2 - rubber waffle or ribbed; 9 mm minimum thick; 30 durometer natural rubber; maximum loading 415 kPa.

.3 Type EP3 - neoprene-steel-neoprene; 9 mm minimum thick neoprene bonded to 1.71 mm steel plate; 50 durometer neoprene, waffle or ribbed; holes sleeved with isolation washers; maximum loading 350 kPa.

.4 Type EP4 - rubber-steel-rubber; 9 mm minimum thick rubber bonded to 1.71 mm steel plate; 30 durometer natural rubber, waffle or ribbed; holes sleeved with isolation washers; maximum loading 415 kPa.

2.3 ELASTOMERIC MOUNTS

.1 Type M1 - colour coded; neoprene in shear; maximum durometer of 60; threaded insert and two bolt-down holes; ribbed top and bottom surfaces.

2.4 SPRINGS

.1 Design stable springs so that ratio of lateral to axial stiffness is equal to or greater than 1.2 times the ratio of static deflection to working height. Select for 50% travel beyond rated load. Units to be complete with levelling devices.

3


.2 Ratio of height when loaded to diameter of spring to be between 0.8 and 1.0.

.3 Cadmium plate for outdoor installations.

.4 Colour code springs.

2.5 SPRING MOUNT

.1 Hot-dip galvanized hardware; housings coated with rust resistant paint.

.2 Type M2 - stable open spring: support on bonded 6 mm minimum thick ribbed neoprene or rubber friction and acoustic pad.

.3 Type M3 - stable open spring: 6 mm minimum thick ribbed neoprene or rubber friction and acoustic pad, bonded under isolator and on isolator top plate; levelling bolt for rigidly mounting to equipment.

.4 Type M4 - restrained stable open spring: supported on bonded 6 mm minimum thick ribbed neoprene or rubber friction and acoustic pad; built-in resilient limit stops, removable spacer plates.

.5 Type M5 - enclosed spring mounts with snubbers for isolation up to 950 kg maximum.

2.6 HANGERS

.1 Colour coded springs, rust resistant, painted box type hangers. Arrange to permit hanger box or rod to move through a 30° arc without metal to metal contact.

.2 Type H1 - neoprene-in-shear, moulded with rod isolation bushing which passes through hanger box.

.3 Type H2 - stable spring, elastomeric washer, cup with moulded isolation bushing which passes through hanger box.

.4 Type H3 - stable spring, elastomeric element, cup with moulded isolation bushing which passes through hanger box.

.5 Type H4 - stable spring, elastomeric element with pre-compression washer and nut with deflection indicator.

2.7 ACOUSTIC BARRIERS FOR ANCHORS AND GUIDES

.1 Acoustic barriers: between pipe and support, consisting of 25 mm minimum thick heavy duty duck and neoprene isolation material.

4


2.8 HORIZONTAL THRUST RESTRAINT

.1 Spring and elastomeric element housed in box frame; assembly complete with rods and angle brackets for equipment and ductwork attachment; provision for adjustment to limit maximum start and stop movement to 9 mm.

.2 Arrange restraints symmetrically on either side of unit and attach at centerline of thrust.

3 Execution

3.1 INSTALLATION

.1 Install vibration isolation equipment in accordance with manufacturer’s instructions and adjust mountings to level equipment.

.2 Ensure piping, ducting and electrical connections to isolated equipment do not reduce system flexibility and that piping, conduit and ducting passage through walls and floors do not transmit vibrations.

.3 Unless indicated otherwise, support piping connected to isolated equipment with spring mounts or spring hangers with 25 mm minimum static deflection as follows:

.1 Up to NPS4: first 3 points of support. NPS5 to NPS8: first 4 points of support. NPS10 and over: first 6 points of support. .2 First point of support shall have a static deflection of twice deflection of isolated equipment, but not more than 50 mm.

.4 Where isolation is bolted to floor use vibration isolation rubber washers.

.5 Block and shim level bases so that ductwork and piping connections can be made to a rigid system at the operating level, before isolator adjustment is made. Ensure that there is no physical contact between isolated equipment and building structure.

END OF SECTION

5

City of Toronto 15075 Humber Treatment Plant MECHANICAL IDENTIFICATION West Substation Upgrades MCP-14-07 Page 1 of 5

1 General


.1 Section 09900 – Painting

.2 Section 09910 – Identification of Process Piping

1.2 REFERENCES

.1 Canadian General Standards Board (CGSB).

.1 CAN/CGSB-1.60, Interior Alkyd Gloss Enamel.

.2 CAN/CGSB-24.3, Identification of Piping Systems.

.3 Canadian Gas Association (CGA).

.4 CAN/CSA 149.1.

.2 National Fire Protection Association

.1 NFPA13, Installation of Sprinkler Systems.

.2 NFPA14, Standpipe and Systems.

1.3 PRODUCT DATA

.1 Submit product data in accordance with Section 01330 - Submittals.

.2 Product data to include paint colour chips, all other products specified in this section.

1.4 SAMPLES

.1 Submit samples in accordance with Section 01330 - Submittals.

.2 Samples to include nameplates, labels, tags, lists of proposed legends.

2 Products

2.1 MANUFACTURERS NAMEPLATES

.1 Provide metal nameplate on each piece of equipment, mechanically fastened complete with raised or recessed letters.

.2 Provide valve and equipment identification nameplates in accordance with Regional Municipality of Niagara standards.

6


.3 Indicate size, capacity rating, equipment model, manufacturer's name, serial number, voltage, cycle, phase and power of motors.

2.2 EQUIPMENT, VALVES, SYSTEM AND ROOM/AREA IDENTIFICATION NAMEPLATES

.1 Colour:

.1 Hazardous: red letters, white background.

.2 Elsewhere: black letters, white background (except where required otherwise by applicable codes).

.2 Construction:

.1 3 mm thick, laminated plastic matte finish, square corners, letters accurately aligned and machine engraved into core.

.3 Sizes:

.1 Nameplates to range from 25 x 50 mm through 100 mm x 250 mm depending on equipment to be identified and location of nameplate.

.2 Pumps: 50 mm x 100 mm.

.3 Tanks: 50 mm x 100 mm.

.4 Heating and ventilation: 25 mm x 50 mm.

.5 Room/areas: 200 mm x 200 mm.

2.3 PIPING

.1 Refer to Section 09910 - Painting Pipe and Equipment.

.2 General:

.1 To CAN/CGSB-24.3 and ANSI A13.1.

.2 Identify commodity by lettered legend, classification by background colour and legend colour, and direction of flow by arrows.

.3 All exposed pipes and fittings, other than stainless steel, are to be painted to background colour.

.4 All valves, other than stainless steel, are to be painted to background colour.

.5 All pumps are to be painted to background colour.

.3 Sizes:

.1 Legend: block capitals to following table:

7


Outside Diameter of Pipe or Insulation

Size of Letters (mm)

Length of Colour Field (mm)

19 to 32 13 200

38 to 51 19 200

64 to 150 32 300

200 to 250 63 600

Over 250 88 800

.2 Background colour bands: 50 mm wide, overlapping legend background colour.

.3 Arrows:

.1 Outside diameter of pipe/insulation 75 mm and greater: 150 mm long x 50 mm high.

.2 Outside diameter of pipe/insulation less than 75 mm: 100 mm long x 50 mm high.

.3 Use double headed arrows where flow is reversible.

.4 Material:

.1 Legend markers, arrows and colour bands: pressure sensitive plastic coated cloth with protective over-coating and waterproof contact adhesive undercoating, suitable for one hundred percent (100%) RH and continuous operating temperature of 150ºC. Apply to dry, clean prepared surfaces. Wrap tape around pipe or pipe covering with ends overlapping one pipe diameter.

.2 Waterproof and heat resistant pressure sensitive plastic marker tags: for pipes and tubing 20 mm nominal and smaller.

.3 Acceptable material: W.H. Brady, Seton Nameplate Corp.

.4 Colours:

.1 Refer to Specification 09900 – Painting and 09910 – Identification of Process Piping.

2.4 DUCTWORK

.1 50 mm high black stenciled letters on white background and directional flow arrows 150 mm long x 50 mm high.

2.5 VALVES

.1 Where nameplate tags cannot be affixed, provide plastic tags with 12 mm stamped code lettering.

8


2.6 CONTROLS IDENTIFICATION

.1 Identify all systems, equipment, components, controls and sensors.

.2 Inscription is to identify function and, where applicable, fail-safe position.

3 Execution

3.1 GENERAL

.1 Do identification work in accordance with CAN/CGSB-24.3 and ANSI A13.1, except where specified otherwise.

.2 Provide CSA registration plates, as required by respective agency.

3.2 LOCATION OF NAMEPLATES

.1 In conspicuous location to facilitate easy reading from operating floor and to properly identify equipment, system and/or room/area.

.2 Provide stand-offs for nameplates on hot surfaces and insulated surfaces.

.3 Do not insulate or paint over plates.

3.3 PIPING

.1 Refer to Section 09910 - Painting Pipe and Equipment.

.2 Locations:

.1 On long straight runs in open areas of process areas and equipment rooms, so that at least one (1) is clearly visible from any one (1) viewpoint in operating areas or walking aisles.

.2 Adjacent to all changes in direction.

.3 At least once in each small room through which piping passes.

.4 On both sides of visual obstruction or where run is difficult to follow.

.5 On both sides of any separation such as walls, floors and partitions.

.6 Where piping is concealed in pipe chase, ceiling space, gallery or other confined space, at entry and leaving points and adjacent to each access opening.

.7 At beginning and end points of each run and at each piece of equipment in run.

9


.8 At point immediately upstream of major manually operated or automatically controlled valves. Where this is not possible, place identification as close to valve as possible, preferably on upstream side.

.9 Legend is to be easily and accurately readable from usual operating areas and all readily accessible points.

.10 Plane of legend is to be approximately at right angles to most convenient line of sight with consideration of operating positions, lighting conditions, reduced visibility of colour or legends caused by dust and dirt and risk of physical damage.

3.4 DUCTWORK

.1 Locations of ductwork identification:

.1 On long straight runs in open areas of process areas and equipment rooms, so that at least one (1) is clearly visible from any one (1) viewpoint in operating areas or walking isles.

3.5 VALVES

.1 Where required, secure tags with non-ferrous chains or closed "S" hooks.

END OF SECTION

10

City of Toronto 15200 Humber Treatment Plant DETAILED PIPING SPECIFICATION West Substation Upgrades MCP-14-07 Page 1 of 6

1 General

1.1 DESCRIPTION

.1 This section contains detailed piping specifications.

.2 All valves shall comply with requirements of ANSI/ASME B16.10, Face-to-Face and End-to-End Dimensions of Valves, and ANSI/ASME B16.34, Valves Flanged Threaded and Welding End.

.3 Only proposed general routing and termination points are shown on the drawings for new and/or relocated pipes smaller than DN50 (2”). Contractor is responsible for determining the exact piping arrangement and lay-out on site and do “field runs” after consultation with the Engineer.

.4 Piping shall be clearly marked with labels identifying the media and flow direction. The labels shall be maximum 20 m apart. Follow Section 09910 Identification of Process Piping. Refer to standard CAN/CGSB 24.3, Identification of Piping Systems, or ANSI/ASME A13.1, Scheme for the Identification of Piping Systems.

.5 All piping, fittings and components other than those for general water service, natural and digester gas, and diesel fuel shall comply with requirements of CSA B51, Boiler, Pressure Vessel and Pressure Piping Code. This requirement is applicable to pressure piping systems that operate at pressures 103.45 kPa (15 psig) and above.

.6 All piping, fittings and components other than those for general water service, natural and digester gas, and diesel fuel shall be in accordance with the requirements of ANSI/ASME B31.3 Process Piping Code. This requirement is applicable to pressure piping systems that fall under the jurisdiction of CSA B51.

.7 Building plumbing drainage and venting systems shall be tested in accordance with Ontario Building Code, Part 7, Plumbing, Subsection 7.3.6. Testing of Drainage and Venting Systems.

1.2 PIPING IDENTIFICATION

.1 The lay-out drawings designate the size and line service specification of pipe to be supplied by the Contractor in the following manner:

.1 Line Identification: Line identification is placed on each line in the following manner:

XXX - YYY Where:

XXX Line Size YYY Commodity

11


.2 Commodity Symbols for Line Identification:

.1 DR Drain

.2 SAN Sanitary

.3 VE Vent

.3 Line Codes: The following is a description of the general line code classifications. For specifics, refer to the appropriate Line Code sheet.

Pipe or

Line Codes

Flange Ratings

Basic

Material

Maximum

Design Pressure

Maximum

Design Temp.

Suitable Services

E1

Sch. 80

PVC

1900 kPa @ 22ºC

40ºC

DRN

E2

DWV

PVC

atmospheric

60ºC

SAN, VE

1.3 SUBMITTALS

.1 Provide submittals in accordance with Section 01330 – Submittals.

.2 Contractor shall prepare and submit for review fabrication (weldment) shop drawings of all prefabricated spool pieces prior to commencement of shop fabrication.

.3 Prior to commencement of any fabrication, Contractor shall carry out field measurements to ensure that all the proposed pipe routing shown on contract drawings will fit into the actual physically available space. If any conflict is found, Contractor shall advise the Engineer so any conflicts are resolved before the start of fabrication.

2 Products

2.1 DETAILED PIPING SPECIFICATIONS

.1 As shown on the following Line Code sheets.

12


SERVICE: DR

LINE CODE: E1

PRIMARY FLANGE RATING: Schedule 80

DESIGN PRESSURE: 1900 kPa @ 22ºC (see Note 2)

TEMPERATURE (MAX): 40ºC

CORROSION ALLOWANCE: N/A

ITEM

SIZES

GENERAL DESCRIPTION

Pipe

150 mm & smaller

PVC, Sch. 80, as per CSA B137.3 and ASTM D1785

Fittings

150 mm & smaller

PVC, socket weld, Sch. 80, as per ASTM D2467

Unions Flanges

50 mm & smaller 50 mm & smaller 65 mm to 150 mm

PVC, socket weld, Sch. 80, as per ASTM D2467 PVC, socket weld, Sch. 80, flat face, as per ASTM D2467 and ANSI B16.5, Class 150 PVC, socket weld, Sch. 80, flat face [or Van Stone where necessary (connector hub & flange ring)], ASTM D2467, ANSI B16.5, Class 150 Note: Use PVC spacers between PVC flat face flanges and CS/SS raised face flanges

Gaskets

150 mm & smaller

EPDM (Durometer hardness Shore A: 65 +/– 3), c/w 0.4 mm PTFE or PVDF bonded shell depending on the application; full face, 3.1 mm thick, ANSI B16.21; IPEX

Bolts

All sizes

As per ASTM A193 Grade B8, C1.1; c/w flat s.s. washers

Nuts

All sizes

Semi-finished, hex head, as per ASTM A194 Grade 8; c/w flat s.s. washers

Ball Valves

50 mm & smaller 65 mm to 150 mm

PVC, Teflon seat, Viton seals, socket end Sch. 80, full blocking, Chemline Type 21 or George Fisher equivalent PVC, Teflon seat, Viton seals, flanged ANSI B16.5, Class 150, full blocking, Chemline Type 21 (DN 150 – Series HC) or George Fisher equivalent

Ball Check Valves

50 mm & smaller 65 mm to 100 mm

PVC, ball type, Viton seals, socket end Sch. 80, Chemline BT series or equivalent PVC, ball type, Viton seals, flanged ANSI B16.5, Class 150, Chemline BC series or equivalent

Note 1 PVC material shall be Type 1, Grade 1, cell classification 12454 A, as per ASTM D1784. Note 2: Maximum operating pressure for any PVC flanged system is 150 psi (1035 kPa). Both the pipe pressure rating and

flanged system pressure rating must be reduced as per the following table:

13


Operating temperature

ºC 21 27 32 38 43 46 49 52 54 60

Pipe rating factor

1.00 .90 .75 .62 .50 .45 .40 .35 .30 .22

Flanged system rating

kPa 1035 1035 1035 1035 931 845 759 638 517 345

14


SERVICE: DRN, VT – above ground only

LINE CODE: E2

PRIMARY FLANGE RATING: CSA B181.2 – DWV

DESIGN PRESSURE: atmospheric

TEMPERATURE (MAX): 60ºC

CORROSION ALLOWANCE: N/A

ITEM

SIZES

GENERAL DESCRIPTION

Pipe

40 mm & larger

PVC, DWV to CSA B181.2

Fittings

40 mm to 200 mm

PVC, DWV to CSA B181.2, Type 1, socket ends

Joints

All sizes

Solvent cement to conform to CSA B181.2, as per manufacturer’s recommendations

Note 1: Flame - spread rating of combustible piping (except when concealed in a wall or concrete floor slab) shall be below 25. Note 2: Design standard: IPEX System 15

15


3 Execution

.1 Not Used.

END OF SECTION

16

City of Toronto 15401 Humber Treatment Plant PLUMBING SPECIALTIES AND ACCESSORIES West Substation Upgrades MCP-14-07 Page 1 of 6

1 General

1.1 DESCRIPTION

.1 This section covers the supply and installation of all specified plumbing specialties and accessories, including but not limit to the following:

.1 Floor drains

.2 Roof drains

.3 Cleanouts

.4 Sump pumps

.5 Transfer pump

.2 Contractor shall select plumbing fixtures specified herein as appropriate to the areas of use and submit shop drawings for the Contract Administrator’s review. Refer to the Contract Drawings for required sizes.

.3 Install all plumbing fixtures in accordance with Ontario Building Codes.

.4 Comply with the requirements of Division 1.

1.2 REFERENCES

.1 American Society for Testing and Materials (ASTM)

.1 ASTM A126, Specification for Gray Iron Castings for Valves, Flanges and Pipe Fittings.

.2 ASTM B62, Specification for Composition Bronze or Ounce Metal Castings.

.2 American Water Works Association (AWWA)

.1 AWWA C700, Cold Water Meters-Displacement Type, Bronze Main Case.

.2 AWWA C701, Cold Water Meters-Turbine Type for Customer Service.

.3 AWWA C702, Cold Water Meters-Compound Type.

.3 Canadian Standards Association (CSA)

.1 CSA-B64 Series, Backflow Preventers and Vacuum Breakers.

.2 CSA-B79, Floor, Area and Shower Drains, and Cleanouts for Residential Construction.

.3 CSA-B356, Water Pressure Reducing Valves for Domestic Water Supply Systems.

1.3 SUBMITTALS

.1 Submit shop drawings and product data in accordance with Section 01330 - Submittal Procedures.

17


.2 For shop drawings, indicate dimensions, construction details and materials for individual items.

.3 For product data, indicate dimensions, construction details and materials for items specified herein.

2 Products

2.1 FLOOR DRAINS

.1 General: Floor drains and trench drains shall comply with CSA B79.

.2 Floor Drains:

.1 Lacquered cast iron floor drain with anchor flange, cast iron clamp ring with primary and secondary weepholes for waterproofing membrane, and standard 25 mm thick, 225 mm diameter, ductile iron tractor grate, pipe size DN100 (4”).

.2 Acceptable material: MIFAB Series F1320-C-4 or equivalent from ZURN and Watts.

.3 All floor drains where as shown on the drawings shall be furnished with match size Proset Trap Guard (see www.trapguard.com).

2.2 ROOF DRAINS

.1 Inverted roofing system: cast iron body with aluminum dome, under-deck clamp and sump receiver to suit roof construction, with integral gravel stop and stainless steel drainage grid.

.2 Acceptable material: Zurn No. Z-100-SS-C; Roto-Tech-Smith; Enpoco.

2.3 CLEANOUTS

.1 Stack Cleanouts:

.1 Lacquered cast iron cleanout with large access area and threaded plug.

.2 Acceptable material: MIFAB Series C1460 or equivalent from ZURN or ANCON.

2.4 SUBMERSIBLE SUMP PUMPS

.1 As indicated in the drawings, provide two (2) submersible sump pumps with packaged sump system (Tag # P-4800, P-4801) with the following features:

.1 Capacity of 2.5 L/s at 5 m total discharge head.

.2 Pump Volute and Motor Casing:

.1 Construct pump volute and motor casing of Cast Iron, Class B, designed to allow removal of all rotating parts from the motor end of the submersible pump.

18


.2 The pump shall be painted with waterborne hybrid acrylic/alkyd paint, to provide superior levels of corrosion and chemical protection.

.3 Bearings

.1 B-10 bearing life 50,000 hours minimum.

.4 Sealing

.1 Motor shall be protected by two mechanical seals mounted in tandem with a seal chamber between the seals. Seal faces shall be carbon or ceramic and lapped to a tolerance of one light band. A double electrode shall be mounted in the seal chamber to detect any water entering the chamber through the lower seal. Water in the chamber shall cause a red light to turn on at the control box. The signal shall not stop the motor but act as a warning only, indicating service is required.

.5 Impeller:

.1 Impeller shall be of the two vane enclosed type and be dynamically balanced. A replaceable Buna-N sealing cup shall effect a seal between the volute and impeller in order to maintain high efficiency and prevent recirculation..

.6 Motor and Cable:

.1 Refer to Section 16222 – Electrical Motors 200HP or Less.

.2 Provide motors rated at 600 V, three-phase, 60 Hz.

.3 Motor shall be continuously rated and capable of minimum fifteen (15) starts per hour.

.4 All cable and wiring shall meet the requirements of the Ontario Electrical Safety Code and Division 16.

.5 Electrical equipment shall be CSA approved and meet all of the general requirements detailed in Division 16.

.7 Controls:

.1 Provide duplex control panel with indicating lights.

.2 The panel shall be of NEMA 4 rating.

.3 Four level switches shall be provided to control the pumps. Low level to start one pump, High level to start both pumps, Low-Low level to stop the pumps, and High-High will be alarmed.

.4 Provide Lead-Lag control on the two pumps.

.2 Acceptable products: Myers, ABS, ITT Flygt or approved equivalent

.3 Design based on: Myers 3MW duplex system.

2.5 TRANSFER PUMP

.1 Supply only one (1) submersible pump (P-4802) for occasional transferring ground water with the following features:

19


.1 Capacity of 1.2 L/s at 4 m total discharge head.

.2 Construction:

.1 Single-phase, 60 Hz, 2-pole motor; insulation class B; protection type IP 68. Motor is dynamically balanced with stainless steel shaft. Thermal sensors in the stator switch off the pump in the case of overheating and automatically switch it back on after cooling down.

.2 The stainless steel rotor shaft is supported in lubricated-for-life ball bearings.

.3 Connection chamber with cover and watertight cable inlet and strain relief.

.4 Discharge outlet with internal thread, built-in check valve, and detachable multi-stage hose adaptor.

.5 Shaft sealing is by three lip seals, single at the motor side and double at the medium side, separated and lubricated by a grease chamber.

.6 The medium being pumped flows around the motor housing for optimum heat dissipation.

.7 Built-in automatic level control, with easily removable float cover for cleaning purposes.

.8 Integrated switch for manual operation in transportable applications.

.9 Bayonet clamping allows the screen to be removed by hand in the event an impeller inspection is necessary.

.2 Design standard: ABS Robusta 200.

.3 Acceptable products: Flygt, Myers.

3 Execution

3.1 INSTALLATION

.1 Install in accordance with Ontario Building Code.

.2 Install in accordance with manufacturer's instructions and as specified.

3.2 CLEANOUTS

.1 In addition to those required by code, and as indicated, install at base of soil and waste stacks, and rainwater leaders.

.2 Bring cleanouts to wall or finished floor unless serviceable from below floor.

.3 Building drain cleanout and stack base cleanouts: line size to maximum NPS4.

20


3.3 SUMP PUMPS

.1 Install sump in accordance with the manufacturer’s printed instructions.

.2 Install complete with appropriately sized discharge line, check valve, discharge valve, lifting chains, and start/stop level control system to pump.

3.4 START-UP

.1 General:

.1 In accordance with Division 1, supplemented as specified herein.

.2 Provide continuous supervision during start-up.

3.5 TESTING AND ADJUSTING

.1 General

.1 In accordance with Division 1, supplemented as specified herein.

.2 Timing:

.1 After start-up deficiencies rectified.

.2 After certificate of completion has been issued by authority having jurisdiction.

.3 Application tolerances:

.1 Pressure at fixtures: +/- 70 kPa.

.2 Flow rate at fixtures: +/- 20%.

.4 Adjustments:

.1 Verify that flow rate and pressure meet design criteria.

.2 Make adjustments while flow rate or withdrawal is (1) maximum and (2) 25% of maximum and while pressure is (1) maximum and (2) minimum.

.5 Cleanouts:

.1 Verify covers are gas-tight, secure, yet readily removable.

.6 Commissioning Reports:

.1 In accordance with Section 01751: Pre-Startup, Start-up and Commissioning, supplemented as specified herein.

.7 Training:

.1 In accordance with Section 01820: Demonstrations and Training, supplemented as specified herein.

.8 Demonstrate full compliance with Design Criteria.

21


END OF SECTION

22

City of Toronto 15766 Humber Treatment Plant UNIT HEATERS - ELECTRIC West Substation Upgrades MCP-14-07 Page 1 of 3

1 General

1.1 REFERENCES


.1 CSA C22.2 No.46, Electric Air-Heaters.

1.2 PRODUCT DATA

.1 Submit product data in accordance with Section 01330 - Submittal Procedures.

.2 Submit product data sheets for unit heaters. Include:

.1 Product characteristics.

.2 Performance criteria.

.3 Mounting methods.

.4 Physical size.

.5 kW rating, voltage, phase.

.6 Control voltage.

.7 Cabinet material thicknesses.

.8 Limitations.

.9 Colour and finish.

.3 Manufacturer's Instructions: Provide to indicate special handling criteria, installation sequence and cleaning procedures.

1.3 OPERATIONS AND MAINTENANCE MATERIAL

.1 Provide operation and maintenance data for unit heaters for incorporation into manual specified in Section 01783.

1.4 WARRANTY

.1 All units and component assemblies shall be warranted for a period of one year.

1.5 WASTE MANAGEMENT AND DISPOSAL

.1 Comply with the requirements of Section 01570 – Temporary Environmental Controls.

2 Products

2.1 MANUFACTURERS

.1 Acceptable manufacturers:

.1 Ouellet

.2 Chromalox

.3 CCI Thermal Technologies 23


2.2 REGULAR DUTY FORCED AIR UNIT HEATERS

.1 Unit heater: to CSA C22.2 No.46, horizontal discharge completed with adjustable louvers.

.2 Fan motor: permanently lubricated ball bearing type. Built-in fan motor thermal overload protection. Built-in transformer to provide proper voltage for control circuit. Motor mounted in cold compartment.

.3 Fan delay purges heater of residual heat.

.4 Hangers: wall mounting as per manufacturer’s requirement.

.5 Elements: industrial grade, type 304 stainless steel finned tubular elements with stainless steel fittings.

.6 Cabinet: 18-gauge steel construction with epoxy/polyester finish.

.7 Factory installed disconnect switch with door interlock.

.8 Factory installed contactor.

.9 Factory installed transformer.

.10 Heavy duty, industrial grade, remote wall mounted 5 degrees Celsius to 38 degrees Celsius room thermostat and support controls.

.11 Design standard: Ouellet OAS series.

2.3 SCHEDULE

.1 Refer to contract drawings for equipment schedule.

3 Execution

3.1 INSTALLATION

.1 Mounted unit heaters on side wall as indicated.

.2 Install thermostats in locations as indicated.

.3 Make power and control connections.

3.2 FIELD QUALITY CONTROL

.1 Perform tests in accordance with Division 16.

.2 Test cut-out protection when air movement is obstructed.

24


.3 Test fan delay switch to assure dissipation of heat after element shut down.

.4 Test unit cut-off when fan motor overload protection has operated.

.5 Ensure that heaters and controls operate correctly.

END OF SECTION

25

City of Toronto 15769 Humber Treatment Plant CABINET COVECTOR HEATERS West Substation Upgrades MCP-14-07 Page 1 of 3

1 General


.1 Section 15916 – HVAC Controls.

.2 Section 16010 - Electrical General Requirements.

1.2 REFERENCES


.1 CSA C22.2 No.46 - Electric Air-Heaters.

.2 Underwriters' Laboratories (UL)

.1 UL 1042 - Electric Baseboard Heating Equipment.

1.3 PRODUCT DATA

.1 Submit product data in accordance with Section 01330 - Submittal Procedures.

.2 Submit product data sheets for baseboard convectors. Include:

.1 Product characteristics.

.2 Performance criteria.

.3 Mounting methods.

.4 Physical size.

.5 kW rating, voltage, phase.

.6 Cabinet material thicknesses.

.7 Limitations.

.8 Colour and finish.

.3 Manufacturer's Instructions: Provide to indicate special handling criteria, installation sequence, and cleaning procedures.

1.4 OPERATIONS AND MAINTENANCE MATERIAL

.1 Submit operation and maintenance data for the cabinet convectors in accordance with Section 01783.


.1 Comply with the requirements of Section 01570 – Temporary Environmental Controls.

26


2 Products

2.1 CAPACITY


2.2 CABINET CONVECTOR

.1 Heaters: to conform to CSA C22.2 No.46 standard.

.2 Element: steel tubular heating elements with aluminum fins. Floating heating elements on high-temperature bushings to eliminating expansion noises.

.3 Cabinet: to conform to CSA C22.2 No.46, pre-drilled back for securing to wall.

.1 Front inlet and front outlet.

.2 Panel: 20-gauge steel body, weld assembly for added strength.

.3 Finish: finished with epoxy powder paint, color in metallic charcoal.

.4 Control:

.1 Linear high-limit temperature control with automatic reset

.2 Built in contactor

.3 Built in disconnect

.4 Wall mounted thermostats: to Section 15916 - HVAC Controls.

.5 Terminal block for field wiring

2.3 MANUFACTURERS

.1 Acceptable products:

.1 Ouellet OLA 1508-690;

.2 Chromalox

3 Execution

3.1 INSTALLATION

.1 Install cabinet convector heaters, blank sections and controls.

.2 When wireway is used, remove knock-outs and insert insulating bushing between each unit.

.3 Install grounding wire to maintain ground integrity between heating, blank, and auxiliary sections.

.4 Install thermostats in locations as indicated on the Contract Drawings.

27


.5 Make power and control connections.

3.2 FIELD QUALITY CONTROL

.1 Perform tests in accordance with Section 16010 - Electrical General Requirements.

.2 Ensure that heaters and controls operate correctly.

END OF SECTION

28

City of Toronto 15823 Humber Treatment Plant DAMPERS - FIRE AND SMOKE West Substation Upgrades MCP-14-07 Page 1 of 2

1 General

1.1 REFERENCES

.1 American National Standards Institute/National Fire Protection Association (ANSI/NFPA)

.1 ANSI/NFPA 90A- Installation of Air Conditioning and Ventilating Systems.

.2 Underwriters Laboratories of Canada (ULC)

.1 CAN4-S112- Fire Test of Fire Damper Assemblies.

.2 CAN4-S112.2- Fire Test of Ceiling Firestop Flap Assemblies.

.3 ULC-S505- Fusible Links for Fire Protection Service.

1.2 PRODUCT DATA


.2 Indicate the following:

.1 Fire dampers.

.2 Operators.

.3 Fusible links.

.4 Design details of break-away joints.

1.3 EXTRA MATERIALS

.1 Provide maintenance materials in accordance with Section 01770 - Closeout Procedures.

.2 Provide the following:

.1 6 fusible links of each type.

1.4 CERTIFICATION OF RATINGS

.1 Catalogue or published ratings shall be those obtained from tests carried out by manufacturer or those ordered by him from independent testing agency signifying adherence to codes and standards.

2 Products

2.1 FIRE DAMPERS

.1 Where indicated in the drawings, provide curtain type dynamic fire dampers: listed and bear label of ULC, meet requirements of provincial fire authority and ANSI/NFPA 90A. Fire damper assemblies to be fire tested in accordance with CAN4-S112.

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City of Toronto 15823 Humber Treatment Plant DAMPERS - FIRE AND SMOKE West Substation Upgrades MCP-14-07 Page 2 of 2

.2 Galvanized steel, factory fabricated for fire rating requirement to maintain integrity of firewall and/or fire separation.

.3 Fusible link actuated, weighted or spring-loaded to close and lock in closed position when released or having negator-spring-closing operator for multi-leaf type in horizontal position with vertical airflow. Type B installation.

.4 40 x 40 x 3 mm retaining angle iron frame, on full perimeter of fire damper, on both sides of fire separation being pierced.

.5 Provide factory sleeves and access door.

.6 Acceptable material: Nailor or approved equivalent.

3 Execution

3.1 INSTALLATION

.1 Install in accordance with ANSI/NFPA 90A and in accordance with conditions of ULC listing.

.2 Maintain integrity of fire separation.

.3 After completion and prior to concealment obtain approvals of complete installation from authority having jurisdiction.

.4 Coordinate with installer of firestopping.

.5 Ensure access doors/panels, fusible links, and damper operators are easily observed and accessible.

.6 Install break-away joints of approved design on each side of fire separation.

END OF SECTION

30

City of Toronto 15851 Humber Treatment Plant LOUVRES, INTAKES AND VENTS West Substation Upgrades MCP-14-07 Page 1 of 4

1. General

1.1 DESCRIPTION

.1 This section covers the supply and installation of fixed louvers, stand-alone backdraft and motorized dampers as indicated and as specified.


1.2 REFERENCES

.1 American Society for Testing and Materials (ASTM)

.1 ASTM E90-Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.

.2 Sheet Metal and Air Conditioning Contractors' National Association (SMACNA)

.3 AMCA 500 - Test Methods for Louvers, Dampers and Shutters.

.4 AMCA 511 - Certified Ratings Program for Air Control Devices.

1.3 PRODUCT DATA

.1 Submit product data in accordance with Division 1.


.1 Pressure drop.

.2 Face area.

.3 Free area.

1.4 TEST REPORTS

.1 Submit certified data from independent laboratory substantiating acoustic and aerodynamic performance to ASTM E90.

1.5 CERTIFICATION OF RATINGS

.1 Catalogued or published ratings shall be those obtained from tests carried out by manufacturer or those ordered by manufacturer from independent testing agency signifying adherence to codes and standards.

2. Products

2.1 FIXED LOUVERS

.1 Construction: welded with exposed joints ground flush and smooth.

.2 Material: extruded aluminum alloy 6063-T5. 31


.3 Blade: storm proof pattern with centre watershed in blade, reinforcing bosses and maximum blade length of 1500 mm.

.4 Frame, head, sill and jamb: one piece extruded aluminum, minimum 3 mm thick with approved caulking slot, integral to unit. Depth as indicated.

.5 Mullions: at 1500 mm maximum centres.

.6 Fastenings: stainless steel Society of Automotive Engineers SAE-194-8F with SAE-194-SFB nuts and resilient neoprene washers between aluminum and head of bolt, or between nut, ss washer and aluminum body.

.7 Screen: 12 mm mesh, 1.3 mm diameter wire aluminum bird screen on inside face of louvers in formed U-frame. 23-25 ga. polyester or ss mesh bug screen shall be also provided.

.8 Performance:

.1 Standards - AMCA 500.

.2 Free area - 44 percent

.3 Water penetration – not exceeding 0.01 oz/sq. ft at 1250 fpm.

.4 Pressure drop – not exceeding 6 mm water column at 305 m/min

.9 Finish: factory applied baked enamel.

.10 Colour: to Architect’s approval.

.11 Acceptable manufacturers: Ruskin, Greenheck, Ventex.

2.2 DAMPERS

.1 This part covers motorized insulated dampers and backdraft dampers. Specific damper requirements are as stated on the Contract Drawings.

.2 Where indicated on the Contract Drawings or this specification, provide thermally-isolated and internally insulated control dampers with motorized actuator as specified. Co-ordinate with actuator supplier to furnish actuator or tandem actuator arrangements according to damper torque requirements. Insulated dampers shall meet the following requirements:

.1 Construction: .1 Frame: 102 x 25 x minimum 3.2 mm 6063-T5 extruded aluminum hat-shaped

channel. .2 Blades: Minimum 1.9 mm 6063-T5 extruded aluminium. .3 Action: Parallel. .4 Insulation: Injected with 2-part, high-density, CFC-free, polyurethane foam. .5 Thermal Isolation Gap: Each blade underneath tooled blade edge seal pocket.

Blade gaskets EPDM or silicone. .6 Bearings: Pressure-moulded low temperature Lexan bearings. .7 Linkage: Concealed in equal flanged frame.

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.8 Axles: 13 mm diameter plated steel, hex-shaped, mechanically locked internally into blade.

.9 Provide Belimo ZG-100 Universal Mounting Bracket, appropriate Belimo Crank Arm Adaptor Kit and Belimo Push Rod for MD01, MD02, MD03, MD08 and MD09, for actuator face mounting.

.2 Performance: .1 Total Leakage, AMCA 500: 1.1 m3/min/m2 at pressure differential of 1.0 kPa. .2 Pressure Drop: 0.02 kPa at 305 m/min across 610 x 610 mm damper mounted

in-duct. .3 Acceptable products: Tamco 9000, Ruskin, Ventex.

.3 Damper actuator:

.1 Size actuators to operate dampers at 370 Pa maximum pressure. Use multiple actuators as necessary. .2 CSA C22.2 and UL listed. .3 120 V, 60 Hz, two-position action. .4 Designed to be directly mounted to damper shaft using mounting clamps. .5 Visual position indicators. .6 Built-in auxiliary end limit switches. .7 Spring safe return. .8 Running time < 75 seconds. .9 Adjustable mechanical stop at open position to allow for balancing.

.4 Where indicated in the contract drawings, provide Backdraft Dampers

.1 Backdraft dampers shall be 100mm deep minimum, 2.05 mm (12 ga) extruded aluminum frame and blades, all in welded construction, supplied where indicated on equipment data sheets. .2 Dampers shall be complete with the following features and options:

.1 Shaft: 12 mm diameter CRS

.2 Bearings: Heavy duty self-lubricating nylon, oilite stainless steel bearings

.3 Counterbalance weight: Included .3 Acceptable products: Ruskin, Tamco and Ventex

.5 Where indicated in the Schedule, dampers shall be furnished with OSHA compliant damper guards.

.6 Damper schedule: Refer to contract drawings.

3. Execution

3.1 INSTALLATION

.1 In accordance with manufacturer's and SMACNA recommendations.

.2 Reinforce and brace as indicated.

.3 Anchor securely into opening. Seal with caulking around to ensure weather tightness.

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END OF SECTION

34

City of Toronto 15852 Humber Treatment Plant GRILLES AND OUTLETS West Substation Upgrades MCP-14-07 Page 1 of 2

1. General

1.1 DESCRIPTION

.1 This section covers the requirements for supply and installation of air supply outlets and inlets, supply and return grilles for the ventilation air systems.


1.2 PRODUCT DATA



.1 Capacity.

.2 Throw and terminal velocity.

.3 Noise criteria.

.4 Pressure drop.

.5 Neck velocity.

1.3 SAMPLES

.1 Submit samples in accordance with Section 01330 - Submittals.

.2 Samples are required for following:

.1 Air supply grille

.2 Transfer grille

1.4 CERTIFICATIONS

.1 Catalogued or published ratings shall be those obtained from tests carried out by manufacturer or those ordered by the manufacturer from an independent testing agency signifying adherence to codes and standards.

2. Products

2.1 GENERAL

.1 Supply transfer, supply and return grilles to meet capacity, pressure drop, terminal velocity, throw, noise level, neck velocity as specified.

.2 Frames:

.1 Full perimeter gaskets.

.2 Plaster frames where set into plaster or gypsum board.

.3 Concealed fasteners.

.3 Concealed manual volume control damper operators where specified.

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City of Toronto 15852 Humber Treatment Plant GRILLES AND OUTLETS West Substation Upgrades MCP-14-07 Page 2 of 2

.4 Colour: Aluminum coat.

.5 Acceptable product:

.1 E H Price.

.2 Titus

2.2 MANUFACTURED UNITS

.1 Grilles and outlets of same generic type shall be product of one manufacturer.

2.3 SUPPLY GRILLE (S-1)

.1 Provide industrial louvered adjustable and lockable 2-way deflection supply grilles.

.2 Extruded aluminum construction.

.3 Paint finish in aluminum powder coat colour.

Schedule: Grille no.

Capacity (L/s) Size (mm) Model no. (Based on EH Price)

S-1 On drawing On drawing 152GD/F

2.4 TRANSFER GRILLE

.1 TG1: Provide finely spaced blades for an attractive sightproof appearance and designed for applications in doors or partitions.

.2 Acceptable product: Titus Model CT-700L or equivalent..

.3 Schedule:

.1 TG1, capacity 142 L/s, size 500 mm x 300 mm

3. Execution

3.1 INSTALLATION

.1 Install in accordance with manufacturers instructions.

.2 Install with stainless steel screws in countersunk holes where fastenings are visible.

.3 Bolt grilles and outlets in place.

END OF SECTION

36

City of Toronto 15862 Humber Treatment Plant FANS West Substation Upgrades MCP-14-07 Page 1 of 4

1 General

1.1 DESCRIPTION

.1 This section specifies the provision of ventilation fans, associated dampers included with fans and other specified accessories.

.1 Inline Centrifugal Fan

.2 Inline Cabinet Fan

.2 Fan installer shall submit structural support design drawings to the Contract Administrator review whenever non-manufactured mounting is required for any fan. All fan supports shall be designed to accommodate the equipment weight and dynamic load of the fans in operation.

.3 Equipment lists, presented in these specifications and/or as specified in the drawings, are included for convenience and shall not be construed as complete listings of all equipment, devices, and material to be provided under this Contract.

.4 Any materials not specifically listed or specified, but required to complete the installation shall be provided by the Contractor.


1.2 REFERENCE STANDARDS

.1 Conform to the following reference standards in accordance with Section 01423:

.1 ANSI/AMCA 210, Laboratory Methods of Testing Fans for Rating.

.2 AMCA 99-0401, Spark Resistant Construction.

.3 CSA C22.2 No. 113, Fans and Ventilators.

.4 AMCA 301 – Methods for Calculating Fan Sound Ratings from Laboratory Test Data.

1.3 SUBMITTALS FOR REVIEW

.1 Submit the following information in one complete submittal in accordance with Section 01330:

.1 Dimensions

.2 Acoustical data, fan curves

.3 Motor data

.4 Accessories

.5 Wall, roof and ceiling opening dimensions

37


1.4 SERVICE CONDITIONS

.1 All fans supplied shall be rated for ambient temperatures and rated for elevation 183 m. Ambient temperatures shall range from 0oC to 35oC.

1.5 QUALITY CONTROL

.1 Performance Ratings: AMCA 210 with AMCA Certified Rating Seal.

.2 Sound Ratings: AMCA 301, tested to AMCA 300, with AMCA Certified Rating Seal.

.3 Fabrication: AMCA 99.

2 Products

2.1 GENERAL

.1 Supply products modified as necessary by the manufacturer to provide the specified features and to meet the specified operating conditions:

.2 Statically and dynamically balance fan impellers so no objectionable vibration or noise is transmitted to occupied areas of the building.

.3 Fans are to be capable of accommodating static pressure variations of ±10% with no objectionable operating characteristics.

.4 External static pressure means external to the fan cabinet and all accessories such as backdraft dampers, bug and/or bird screens, mixing boxes, filters and coils, etc. These accessories, if supplied as part of the unit, are considered as internal losses for fan.

.5 Factory mounted & installed disconnect switch should be provided with each fan.

.6 Acceptable supplier/manufacturers:

.1 Greenheck

.2 Loren Cook

.3 Twin City

2.2 PROTECTIVE COATINGS

.1 Prime coat steel fan wheels and housing at factory inside and outside.

.2 Prime coating on aluminum parts is not required.

2.3 INLINE CENTRIFUGAL FAN

.1 Belt drive centrifugal inline fans complete with accessories specified herein. Fans shall bear the AMCA certified rating seals for both sound and performance.

38


.2 Fan construction:

.1 Fan wheel – backward inclined aluminium vane non-overloading wheel, statically and dynamically balanced and securely attached to the shaft.

.2 Housing – heavy gauge aluminium housing with rigid internal support structure, complete with inlet and discharge collars and two access panels on sides. Interior of fan housing shall be lined with a fiberglass duct liner.

.3 Motor – heavy duty industrial motor with TEAO (Totally Enclosed Air Over) cooling arrangement; voltage and phase as indicated; permanently lubricated bearings with minimum (L10) life in excess of 100,000 hours; fan manufacturer shall be responsible to ensure that fan motors have 15 percent power margin at the most arduous operating conditions. Motors to have built-in thermal overload protection.

.4 The fan shall be installed in horizontal hanging arrangement.

.5 Accessories:

.1 Hanging/standing neoprene isolator kits for installation shall be provided;

.2 Motor cover shall be provided.

.3 Auto belt tensioner – provide automatic belt tensioner to maintain proper belt tension.

.4 One (1) set spare belt(s).


.7 Design standard: FN-4800: Greenheck SQ-98-VG .

2.4 CEILING EXHAUST FAN

.1 Provide ceiling mount exhaust fan as indicated on drawings. Ceiling mounted exhaust fan shall be of the centrifugal direct drive type.

.2 Fan construction:

.1 Housing and duct connection – galvanized steel fabrication with integral back draft damper; housing interior lined with sound absorbing insulation.

.2 Motor mount - Resilient vibration isolator. Built-in thermal overload protection.

.3 Fan wheel – Double width, forward curved design, dynamically balanced.

.3 Accessories: C/W Round duct adaptor, Speed Controls.


.5 Design standard: FN-4801: Greenheck CSP-A410

39


3 Execution

3.1 INSTALLATION

.1 Where inlet or outlet is exposed, provide safety screen.

.2 Provide belt guards on belt driven fans complete with tachometer access.

.3 Provide sheaves as necessary for final air balancing.

.4 Do not operate fans for any purpose, temporary or permanent until ductwork is clean, filters are in place, bearings are lubricated and fan has been run under close supervision of unit manufacturer.

3.2 TESTING

.1 Test, adjust and balance in accordance with Division 1.

3.3 COMMISSIONING

.1 Commission equipment in accordance with Division 1.

END OF SECTION

40

City of Toronto 15916 Humber Treatment Plant HVAC CONTROLS West Substation Upgrades MCP-14-07 Page 1 of 2

1 General

1.1 REFERENCES


.1 CSA C22.2 No. 24, Temperature-Indicating and –Regulating Equipment.

1.2 PRODUCT DATA


.2 Submit schematic wiring diagram of the HVAC system.


.1 Comply with the requirements of Section 01570 – Temporary Controls.

2 Products

2.1 WALL MOUNT THERMOSTATS

.1 Wall mount thermostats shall be supplied by the contractor or associated equipment suppliers.

.2 Thermostat to CSA 22.2 No. 24, heavy-duty, line voltage, with:

.1 Full load rating: 16 A at 120 V.

.2 Temperature setting range: 5º C to 30º C.

.3 Thermometer range: 5º C to 30º C.

.4 Markings in 5 degree increments.

.5 Differential temperature fixed at 1.1º C.

.3 All the above thermostats shall operate in automatic mode only, based on the manually set set-point.

.4 Acceptable products:

.1 Honeywell 6051A1057

.2 Approved equivalent

3 Execution

3.1 INSTALLATION

.1 Install control devices.

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City of Toronto 15916 Humber Treatment Plant HVAC CONTROLS West Substation Upgrades MCP-14-07 Page 2 of 2

.2 On outside wall, mount thermostats on bracket or insulated pad 25 mm from exterior wall.

.3 All HVAC system power and control wiring shall be under Division 16.

END OF SECTION

42

City of Toronto 15950 Humber Treatment Plant TESTING, ADJUSTING AND BALANCING (TAB) OF West Substation Upgrades MECHANICAL SYSTEMS MCP-14-07 Page 1 of 5

1 General

1.1 GENERAL

.1 TAB means to test, adjust and balance mechanical systems to perform in accordance with requirements of Contract Documents and to do other work as specified in this section.

.2 Comply with requirements of Division 1.

1.2 QUALIFICATIONS OF TAB PERSONNEL

.1 Names of personnel it is proposed to perform TAB to be submitted to and approved by the Consultant within 90 days of award of Contract.

.2 Certified to accredited program (i.e. AABC/NEB)

.3 At least 5 years of related industry experience

.4 Provide documentation confirming qualifications and successful experience in similar type of work.

1.3 PURPOSE OF TAB

.1 Test to verify proper and safe operation, determine actual point of performance, evaluate qualitative and quantitative performance of equipment, systems and controls at design, average and low loads using actual or simulated loads

.2 Adjust and regulate equipment and systems so as to meet specified performance requirements and to achieve specified interaction with other related systems under normal and emergency loads and operating conditions.

.3 Balance systems and equipment to regulate flow rates to match load requirements over full operating ranges.

1.4 EXCEPTIONS

.1 TAB of systems and equipment regulated by codes, standards to be to satisfaction of authority having jurisdiction.

1.5 CO-ORDINATION

.1 Schedule time required for TAB (including repairs, re-testing) into construction and completion schedule so as to ensure completion before acceptance of Work.

.2 Do TAB of each system independently and subsequently, where interlocked with other systems, in unison with those systems.

43


.3 Coordinate work with Mechanical Contractor and Controls Contractor.

1.6 PRE-TAB REVIEW

.1 Review specified standards and report to Consultant in writing all proposed procedures which vary from standard.

.2 During construction, co-ordinate location and installation of TAB devices, equipment, accessories, measurement ports and fittings.

1.7 START-UP

.1 Follow start-up procedures as recommended by equipment manufacturer unless specified otherwise.

.2 Follow special start-up procedures specified elsewhere in Division 15.

1.8 OPERATION OF SYSTEMS DURING TAB

.1 Operate systems for length of time required for TAB and as required by the Consultant for verification of TAB reports.

1.9 START OF TAB

.1 Notify the Consultant and the Owner 7 days prior to start of TAB.

.2 Start TAB when building is ready for occupancy on the Mandatory Milestone Performance date, including:

.1 Installation of ceilings, doors, windows, other construction affecting TAB.

.2 Application of weatherstripping, sealing, caulking.

.3 All pressure, leakage, other tests specified elsewhere in Division 15.

.4 All provisions for TAB installed and operational.

.3 Start-up, verification for proper, normal and safe operation of mechanical and associated electrical and control systems affecting TAB including but not limited to:

.1 Proper thermal overload protection in place for electrical equipment.

.2 Air systems:

.1 Filters in place, clean.

.2 Duct systems clean.

.3 Ducts, air shafts, ceiling plenums are airtight to within specified tolerances.

.4 Correct fan rotation.

.5 Fire, smoke, volume control dampers installed and open.

44


.6 Coil fins combed, clean.

.7 Access doors installed, closed.

.8 Outlets installed, volume control dampers open, air patterns set.

1.10 APPLICATION TOLERANCES

.1 Do TAB to following tolerances of design values:

.1 HVAC systems: plus 5 %, minus 5 %.

1.11 ACCURACY TOLERANCES

.1 Measured values to be accurate to within plus or minus 2 % of actual values.

1.12 INSTRUMENTS

.1 Prior to TAB, submit to the Consultant list of instruments to be used together with serial numbers.

.2 Calibrate in accordance with requirements of most stringent of referenced standard for either applicable system or HVAC system.

.3 Calibrate within 3 months of TAB. Provide certificate of calibration to the Consultant.

1.13 SUBMITTALS

.1 Submit, prior to commencement of TAB:

.2 Proposed methodology and procedures for performing TAB if different from referenced standard.

1.14 PRELIMINARY TAB REPORT

.1 Submit for checking and approval of the Consultant, prior to submission of formal TAB report, sample of rough TAB sheets. Include:

.1 Details of instruments used.

.2 Details of TAB procedures employed.

.3 Calculations procedures.

.4 Summaries.

1.15 TAB REPORT

.1 Format to be in accordance with referenced standard.

.2 TAB report to show results in SI units and to include:

.1 Project record drawings.

45


.2 System schematics.

.3 Submit 6 copies of TAB Report to the Consultant for verification and approval in D-ring binders, complete with index tabs.

1.16 VERIFICATION

.1 Reported results subject to verification by the Consultant.

.2 Provide manpower and instrumentation to verify up to 30% of reported results.

.3 Number and location of verified results to be at discretion of the Consultant.

.4 Bear costs to repeat TAB as required to satisfaction of the Consultant.

1.17 SETTINGS

.1 After TAB is completed to satisfaction of the Consultant, replace drive guards, close access doors, lock devices in set positions, and ensure sensors are at required settings.

.2 Permanently mark settings to allow restoration at any time during life of facility. Markings not to be eradicated or covered in any way.

1.18 COMPLETION OF TAB

.1 TAB to be considered complete when final TAB Report received and approved by Consultant.

1.19 AIR SYSTEMS

.1 Standard: TAB to be to most stringent of this section or TAB standards of AABC (The Associated Air Balance Council).

.2 Measurements: To include, but not limited to, the following measurements, as appropriate, for the systems, equipment, components or controls: air velocity, static pressure, flow rate, pressure drop or loss, temperatures, duct cross-sectional area, RPM, electrical power, voltage, noise, vibration.

.3 Locations of equipment measurements: To include, but not be limited to, the following as appropriate:

.1 Inlet and outlet of dampers, filter, coil, humidifier, fan, other equipment causing changes in conditions.

.2 At controllers, controlled device.

.4 Locations of systems measurements to include, but not be limited to, the following as appropriate: Main duct, main branch, sub-branch, run-out or grille, register or diffuser.

46


1.20 OTHER TAB REQUIREMENTS

.1 General requirements applicable to work specified this paragraph:

.1 Qualifications of TAB personnel: as for air systems specified this section.

.2 Quality assurance: as for air systems specified this section.

.2 Measurement of noise and vibration from equipment specified in Division 15.

.1 At boundary of the Place of the Work.

.3 Participate in systems checks twice during Warranty Period - #1 approximately 3 months after Substantial Performance and #2 within 1 month of termination of Warranty Period.

.4 Refer to other Division 15 specifications for additional TAB requirements.

2 Products

.1 Not Used.

3 Execution

.1 All motorized dampers have adjustable mechanical stops to set proper normally “fully” open position. These stops shall be used for balancing.

.2 The balancing should first try to throttle one side of every system only (be it either a supply side, or an exhaust side), with the other side of the system fully open. Both sides shall be throttled only if the first try results in high motor currents.

END OF SECTION

47