Nortrax
190 David Manchester Road, Ottawa
21 May 2014
Project: 13-104-070
25 40 00
CARBON MONOXIDE DETECTION & CONTROL SYSTEM
PART 1 GENERAL .......................................................................................................................... 1
1.1.
WORK INCLUDED ................................................................................................................................ 1
1.2.
REFERENCE STANDARDS ................................................................................................................. 1
PART 2 PRODUCTS ....................................................................................................................... 1
2.1.
(TRUCK DOCK) AREA .......................................................................................................................... 1
2.2.
PARKING GARAGE SYSTEM .............................................................................................................. 1
PART 3 EXECUTION ....................................................................................................................... 3
3.1.
INSTALLATION ..................................................................................................................................... 3
3.2.
STARTUP .............................................................................................................................................. 3
INDEX

Nortrax
190 David Manchester Road, Ottawa
21 May 2014
Project: 13-104-070
PART 1 - GENERAL
25 40 00
CARBON MONOXIDE DETECTION & CONTROL SYSTEM
Page 1
1.1. WORK INCLUDED
.1 Comply with Division 1, General Requirements and all documents referred to therein.
.2
.3
Provide all labour, materials, products, equipment and services to provide the carbon monoxide and hydrocarbon detection and control systems indicated on the Drawings and specified in this Section of the Specifications.
Meet requirements of Control Diagram CD-____ Section 25 50 00.
1.2. REFERENCE STANDARDS
.1 Meet Ontario Building Code and Ministry of Labour requirements.
PART 2 - PRODUCTS
2.1. (TRUCK DOCK) AREA
.1 Packaged, compact, self-contained instrument with electro chemical sensor for monitoring ambient air for carbon monoxide CO, and providing output signal to exhaust fan start/stop relay, output alarm to ECMS and power input 120/1/60. Provide equipment complete with audible and visual alarm, and CO indicating meter.
.2 Meet the following requirements:
.1
.2
.3
Range - 0 to 100 ppm CO in air
Audible Alarm - 85 db, 2.8 kHz tone
Field adjustable setpoints factory preset at 25 and 50 ppm CO SPECIFIED
PRODUCT: MSA Toxguard Model C
.3 Provide Type 1 Calibration Kit, including one {0.2 cubic metre} [7 cu.ft.] disposable container of calibration gas and all necessary fittings and regulator.
2.2. PARKING GARAGE SYSTEM
.1
.2
Two systems required, one each for:
Parking Northeast - 1st floor, 1st basement, 2nd basement
.3
.4
.1 Parking South West and East - 1st basement, 2nd basement
Sample from indicated points on each system with a time sequence of 12 seconds per point.
Provide complete systems containing the following components:
.1 Non-dispersive infrared analyzer:
.1 principle of operation - non-dispersive
.2
.3 infrared NDIR spectroscopy speed of response -90% of final reading in 5 seconds

Nortrax
190 David Manchester Road, Ottawa
21 May 2014
Project: 13-104-070
.4
25 40 00
CARBON MONOXIDE DETECTION & CONTROL SYSTEM
Page 2 warmup time -30 minutes
.5
.6
.7 noise level - less than 1% of full scale zero drift - less than 1% of full scale in 24 hours typically less than 2%
FS/week span drift - less than 1% of full scale in 24 hours typically less than 2%
FS/week repeatability - +0.5% of full scale .8
.9 linearity - without linearization option normally + to +10% non-linear
.10 temperature effect - instrument is operable over a temperature range from 0 to 50 o
C
.11 power requirements - 100V A, 120V AC, 60 Hz, field selectable - 105V, 120V or 220V AC
.12 outputs - millivolt - field selectable 0-10 or 0-100 mV, voltage 0-5V dc
.13 controls - push and latch lighted power switch
.2
.3
.4
.14 precision multiturn potentiometer with lockable counting dials for zero and span
.15 meter - {415 mm} [16"] analog meter with mirror scale, sealed type with pivot and jewel movement
.16 purge - fittings for case purge provided
.17 span check - front panel push button switch activates an electrical circuit to simulate presence of sample gas
.18 calibration - 0-500 ppm CO
.19 ranges - triple range with secondary ranges up to 10x the primary range
Alarm unit:
.1 with three alarm points adjustable from 0-100% full scale
Sampling System:
.1 A completely integrated highly rugged sampling system designed to include solenoid valves for sample switching, rugged pump with bypass for continuous sample flow, with all necessary hardware such as flowmeters, restrictor valves, in-the-line and end-of-line filters, low pressure regulators, etc. Fittings and tubing shall be brass and polytubing.
Timing Control and Alarm System:
.1 The sequencing time shall provide the switching of solenoids and sample light indication every 12 seconds total sample time for 30 points = 360

Nortrax
190 David Manchester Road, Ottawa
21 May 2014
Project: 13-104-070
25 40 00
CARBON MONOXIDE DETECTION & CONTROL SYSTEM
Page 3 seconds. Six actuation timers, adjustable from 6-60 minutes shall be responsible for ventilation levels and sample pickup points.
.5 Set up the following operation modes:
.1 Actuate one exhaust fan and one makeup air unit in the event of the carbon monoxide concentration reaching 50 ppm at any sample point of this zone.
.6
.2
.3
Actuate all zone exhaust fans and makeup air units in the event the carbon monoxide concentration reaches 100 ppm at any of the sample points.
Actuate an audible and visual alarm common to all sample points when the carbon monoxide reaches 150 ppm CO. Provide a pushbutton switch to silence the horn.
Provide dry contacts for ECMS high alarm indication.
.4 Automatically reset the system if the carbon monoxide falls below the preset limits.
Provide a selector switch to override the timer to select individual sample points, automatic mode as well as zero and span.
Provide free standing cabinet(s) to contain all above components, completely wired and piped. Provide louvred rear door which opens from left to right. Cabinet dimensions not to exceed {2035 mm high x 740 mm wide x 660 mm depth} [80" x 30" x 26"].
.7
.8
.9
Power Requirements: 95 to 135V AC, 60 Hz, 20 amp, single phase.
Provide calibration equipment.
Provide sample lines using soft copper in exposed locations and {10 mm} [3/8"] dia. fire retardant polytubing for concrete embedded installations. SPECIFIED PRODUCTS: System
Components - MSA Infrared Analyzer - MSA Model 3000
PART 3 - EXECUTION
3.1. INSTALLATION
.1
.2
Meet manufacturers requirements.
Vacuum clean sample lines.
.3 Embed sample lines in concrete structure.
3.2. STARTUP
.1 Provide complete commissioning service by manufacturer's authorized representative and include –
.1
.2 physical and electrical checkout startup, test and calibrate equipment
.2
.3
.4 functional checkout operator training
Adjust times to the allowable fan motor starts per hour.

Nortrax
190 David Manchester Road, Ottawa
21 May 2014
Project: 13-104-070
.3
25 40 00
CARBON MONOXIDE DETECTION & CONTROL SYSTEM
Page 4
Provide calibration curves and maintenance manuals for inclusion in operation maintenance manual.
END OF SECTION