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Brasch Environmental Technologies Gas Detection and Alarm
 
         
SECTION 28 42 15
 
         
GAS DETECTION AND ALARM
 
         
 
         
Copyright 2020 - 2020 ARCAT, Inc. - All rights reserved

          ** NOTE TO SPECIFIER ** Brasch Environmental Technologies; gas detection systems.
This section is based on the products of Brasch Environmental Technologies, which is located at:
140 Long Rd. Suite 101
Chesterfield, MO 63005
Tel: 314-291-0440
Fax: 314-291-0646
Email: request info
Web: https://braschenvtech.com
[ Click Here ] for additional information.
Brasch Environmental Technologies, formerly Brasch Manufacturing, has been a leading designer and manufacturer of quality gas detection systems for over 25 years. Brasch gas detectors are trusted by industry professionals and can be found installed in a variety of buildings from firehouses to parking garages all across the United States and beyond. Our mission is to help make the environment a safer and more comfortable place by protecting people from harmful gases. When customers install Brasch Environmental Technologies equipment, they have confidence they have the best products available, products that will far outlast their expectations.
Brasch Environmental Technologies is committed to providing products and services that exceed customer requirements and applicable standards. Every product we make goes through extensive calibration and testing to ensure we deliver the highest quality products on the market. We guarantee our products free from material and workmanship defect for one year and will continue to provide support for the life of the product. It is important to us to produce gas detection systems that are reliable, durable, and long-lasting. We want your next Brasch gas detector to be the only gas detector you will ever need to purchase.
 
          PART 1GENERAL
 
          1.1SECTION INCLUDES
          ** NOTE TO SPECIFIER ** Delete items below not required for project.
 
          A.Gas Detection and Alarm components of the following types:
          1.Standalone Detectors.
          2.Multi-Zone Control Panels.
          3.Remote Transmitters.
 
          B.Accessories.
 
          1.2RELATED SECTIONS
          ** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
          A.Division 16 - Electrical.
 
          1.3REFERENCES
          ** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
          A.Intertek ETL (ETL).
 
          B.National Electrical Manufacturers Association (NEMA):
          1.NEMA 1 - Enclosures constructed for indoor use.
 
          C.Underwriters Laboratory (UL):
          1.UL 248 - Low Voltage Fuses.
 
          1.4SUBMITTALS
 
          A.Submit under provisions of Section 01 30 00 - Administrative Requirements.
 
          B.Product Data:
          1.Manufacturer's data sheets on each product to be used.
          2.Preparation instructions and recommendations.
          3.Storage and handling requirements and recommendations.
          4.Typical installation methods.
 
          C.Shop Drawings: Include details of materials, construction and finish. Include relationship with adjacent construction.
 
          1.5QUALITY ASSURANCE
 
          A.Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum five years documented experience.
 
          B.Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.
 
          C.Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
 
          1.6PRE-INSTALLATION CONFERENCE
 
          A.Convene a conference approximately two weeks before scheduled commencement of the Work. Attendees shall include Architect, Contractor and trades involved. Agenda shall include schedule, responsibilities, critical path items and approvals.
 
          1.7DELIVERY, STORAGE, AND HANDLING
 
          A.Store and handle in strict compliance with manufacturer's written instructions and recommendations.
 
          B.Protect from damage due to weather, excessive temperature, and construction operations.
 
          1.8PROJECT CONDITIONS
 
          A.Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
 
          1.9WARRANTY
 
          A.Manufacturer's Warranty: Provide manufacturer's standard limited warranty.
 
          PART 2PRODUCTS
 
          2.1MANUFACTURERS
 
          A.Acceptable Manufacturer: Brasch Environmental Technologies, which is located at: 140 Long Rd. Suite 101; Chesterfield, MO 63005; Tel: 314-291-0440; Fax: 314-291-0646; Email: request info; Web: https://braschenvtech.com
          ** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
          B.Substitutions: Not permitted.
 
          C.Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
          ** NOTE TO SPECIFIER ** Delete Article if not required.
 
          2.2STANDALONE DETECTORS
 
          A.Performance Requirements:
          1.Standards Compliance:
          a.ETL Listed.
          b.NEMA 1 rated housing.
          2.Accuracy: Accurate within plus or minus 5 percent.
 
          B.General Features:
          ** NOTE TO SPECIFIER ** Delete power requirements option not required.
          1.Power Requirements: 24 VAC, 0.500 A, 50/60 Hz.
          2.Power Requirements: 120 VAC, 0.125 A, 50/60 Hz.
          3.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          4.Operating Humidity: 10 to 90 percent.
          5.Size (WxHxD): 9.44 x 6.29 x 3.54 inches (240 x 160 x 90 mm).
          6.Weight: 3 pounds (1.4 kg).
          7.Housing: Gray polycarbonate.
          8.Alert Levels: 7 field selectable choices.
          9.Delay Times: 0 to 7 minutes.
          10.Internal Alarm: 106 dB at 3.7 KHz.
          11.Indicators:
          a.Power: Green LED.
          b.Low Alert Relay: Red LED.
          c.High Alert Relay: Red LED.
          d.Alarm: Red LED.
          e.Sensor Active: Yellow LED.
          f.Concentration: Four-digit LCD.
          12.Microprocessor control.
          13.Electrochemical sensor.
          14.Factory calibration. Expected calibration lifetime of 2 years, minimum.
          15.Static discharge protection.
          16.Power loss fail-safe.
          17.Low and high alert levels.
          18.Temperature and humidity compensation.
          19.Selectable low level setpoint.
          20.Adjustable alert time delay.
          ** NOTE TO SPECIFIER ** Delete basis of design options not required.
 
          C.Basis of Design: Carbon Monoxide Detector; GSE-CM; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete sensors options not required.
          1.Sensors: 1 local sensor.
          2.Sensors: 1 remote sensor.
          3.Sensors: 1 local sensor, 1 remote sensor.
          4.Sensors: 2 remote sensors.
 
          D.Basis of Design: Nitrogen Dioxide Detector; GSE-ND; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete sensors options not required.
          1.Sensors: 1 local sensor.
          2.Sensors: 1 remote sensor.
          3.Sensors: 1 local sensor, 1 remote sensor.
          4.Sensors: 2 remote sensors.
 
          E.Basis of Design: Oxygen Detector; GSE-OX; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete sensors options not required.
          1.Sensors: 1 local sensor.
          2.Sensors: 1 remote sensor.
          3.Sensors: 1 local sensor, 1 remote sensor.
          4.Sensors: 2 remote sensors.
 
          F.Basis of Design: Combination Detector, Nitrogen Dioxide and Carbon Monoxide; GSE-NCM; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete sensors options not required.
          1.Sensors: 2 local sensors.
          2.Sensors: 1 local sensor, 1 remote sensor.
          3.Sensors: 2 remote sensors.
 
          G.Basis of Design: Combination Detector, Oxygen and Carbon Monoxide; GSE-OCM; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete sensors options not required.
          1.Sensors: 2 local sensors.
          2.Sensors: 1 local sensor, 1 remote sensor.
          3.Sensors: 2 remote sensors.
 
          H.Basis of Design: Combination Detector, Oxygen and Nitrogen Dioxide; GSE-OND; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete sensors options not required.
          1.Sensors: 2 local sensors.
          2.Sensors: 1 local sensor, 1 remote sensor.
          3.Sensors: 2 remote sensors.
          ** NOTE TO SPECIFIER ** Delete Article if not required.
 
          2.3MULTI-ZONE CONTROL PANELS
 
          A.Performance Requirements:
          1.Standards Compliance:
          a.ETL Listed.
          b.NEMA 1 rated housing.
 
          B.Basis of Design: Multi-Zone Control Panel; GDCP-A; as manufactured by Brasch Environmental Technologies.
          1.Maximum Sensors: 20.
          2.Maximum Zones: 6.
          3.Input Power: 120 VAC, 50/60 Hz.
          4.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          5.Operating Humidity: 10 to 90 percent.
          6.Size (WxHxD): 14.00 x 10.25 x 5.00 inches (356 x 260 x 127 mm).
          7.Weight: 14 pounds (6.36 kg).
          8.Housing: Gray powder-coated, heavy-gauge steel. Corrosion resistant locking enclosure with keys.
          9.Internal Alarm: 110 dB at 3.7 KHz.
          10.Control: Microprocessor.
          11.Readout: LCD, 4 line, 20 character.
          12.Keypad: 5 embossed keys with tactile feedback.
          13.Timing: Real-time clock with output for minutes, hours, day-of-week day, month, and year.
          14.Electrically isolated.
          15.Electrochemical sensor.
          16.Static discharge protection.
          17.Low voltage wiring for daisy chaining sensors.
          18.Power loss fail-safe.
          19.Battery backup for memory and clock.
          20.Full factory calibration.
          ** NOTE TO SPECIFIER ** Delete Article if not required.
 
          2.4REMOTE TRANSMITTERS
 
          A.Performance Requirements:
          1.Standards Compliance:
          a.ETL Listed.
          b.NEMA 1 rated housing.
          ** NOTE TO SPECIFIER ** Delete basis of design options not required.
 
          B.Basis of Design: Remote Transmitter, Carbon Monoxide; GSE-CM-TRA; as manufactured by Brasch Environmental Technologies.
          1.Works with GDCP-A Multi-Zone Control Panel.
          2.Input Power: Supplied by GDCP-A.
          3.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          4.Operating Humidity: 10 to 90 percent.
          5.Size (WxHxD): 3.25 x 5.00 x 2.75 inches (82.5 x 127 x 69.8 mm).
          6.Weight: 1.2 pounds (0.54 kg).
          7.Housing: Gray powder-coated, heavy-gauge steel.
          8.Control: Microprocessor.
          9.Electrically isolated.
          10.Electrochemical sensor.
          11.Static discharge protection.
          12.Low voltage wiring for daisy chaining sensors.
          13.Full factory calibration.
 
          C.Basis of Design: Remote Transmitter, Nitrogen Dioxide; GSE-ND-TRA; as manufactured by Brasch Environmental Technologies.
          1.Works with GDCP-A Multi-Zone Control Panel.
          2.Input Power: Supplied by GDCP-A.
          3.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          4.Operating Humidity: 10 to 90 percent.
          5.Size (WxHxD): 3.25 x 5.00 x 2.75 inches (82.5 x 127 x 69.8 mm).
          6.Weight: 1.2 pounds (0.54 kg).
          7.Housing: Gray powder-coated, heavy-gauge steel.
          8.Control: Microprocessor.
          9.Electrically isolated.
          10.Electrochemical sensor.
          11.Static discharge protection.
          12.Low voltage wiring for daisy chaining sensors.
          13.Full factory calibration.
 
          D.Basis of Design: Remote Transmitter, Carbon Monoxide; GSE-CM-TRNS; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete power requirements option not required.
          1.Power Requirements: Plus or minus 25 VDC, 0.200 A.
          2.Power Requirements: 24 VAC, 0.200 A, 50/60 Hz.
          3.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          4.Operating Humidity: 10 to 90 percent.
          5.Size (WxHxD): 4.80 x 4.72 x 2.16 inches (122 x 120 x 55 mm).
          6.Weight: 1 pounds (0.5 kg).
          7.Housing: Gray polycarbonate.
          8.Control: Microprocessor.
          9.Electrochemical sensor.
          10.Static discharge protection.
          11.Low voltage wiring.
          12.Power loss fail-safe.
          13.Full factory calibration.
 
          E.Basis of Design: Remote Transmitter, Nitrogen Dioxide; GSE-ND-TRNS; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete power requirements option not required.
          1.Power Requirements: Plus or minus 25 VDC, 0.200 A.
          2.Power Requirements: 24 VAC, 0.200 A, 50/60 Hz.
          3.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          4.Operating Humidity: 10 to 90 percent.
          5.Size (WxHxD): 4.80 x 4.72 x 2.16 inches (122 x 120 x 55 mm).
          6.Weight: 1 pounds (0.5 kg).
          7.Housing: Gray polycarbonate.
          8.Control: Microprocessor.
          9.Electrochemical sensor.
          10.Static discharge protection.
          11.Low voltage wiring.
          12.Power loss fail-safe.
          13.Full factory calibration.
 
          F.Basis of Design: Remote Transmitter, Oxygen; GSE-OX-TRNS; as manufactured by Brasch Environmental Technologies.
          ** NOTE TO SPECIFIER ** Delete power requirements option not required.
          1.Power Requirements: Plus or minus 25 VDC, 0.200 A.
          2.Power Requirements: 24 VAC, 0.200 A, 50/60 Hz.
          3.Operating Temperature: 5 to 104 degrees F (minus 15 to 40 degrees C).
          4.Operating Humidity: 10 to 90 percent.
          5.Size (WxHxD): 4.80 x 4.72 x 2.16 inches (122 x 120 x 55 mm).
          6.Weight: 1 pounds (0.5 kg).
          7.Housing: Gray polycarbonate.
          8.Control: Microprocessor.
          9.Electrochemical sensor.
          10.Static discharge protection.
          11.Low voltage wiring.
          12.Power loss fail-safe.
          13.Full factory calibration.
          ** NOTE TO SPECIFIER ** Delete Article if not required.
 
          2.5ACCESSORIES
          ** NOTE TO SPECIFIER ** Delete products not required.
 
          A.External Audible Alarm:
          1.Basis of Design: Vibratone Horns, Model 350; as manufactured by Federal Signal.
          2.Operating Temperature: Minus 65 to 150 degrees F (minus 54 to 66 degrees C).
          3.Weight: 1.4 pounds (0.6 kg).
          4.Size (WxHxD): 4.06 x 4.06 x 2.19 inches (103 x 103 x 55.6 mm).
          ** NOTE TO SPECIFIER ** Delete model option not required.
          5.Model 350-024-30:
          a.Power Requirements: 24 VAC, 0.90 A, 50/60 Hz.
          b.Decibels: 100 at 10 feet (110 at 1 M).
          6.Model 350-120-30:
          a.Power Requirements: 120 VAC, 0.18 A, 50/60 Hz.
          b.Decibels: 100 at 10 feet (110 at 1 M).
 
          B.External Strobe:
          1.Basis of Design: Visalert Strobe Light, Model VALS; as manufactured by Federal Signal.
          2.Operating Temperature: Minus 31 to 150 degrees F (minus 35 to 66 degrees C).
          3.Weight: 0.1 pounds (0.06 kg).
          4.Size (WxHxD): 3.94 x 3.95 x 1.6 inches (100 x 100 x 40.6 mm).
          5.Flash Rate: 80 per minute.
          6.Candela Peak: 108,000.
          7.Mounting: Surface.
          ** NOTE TO SPECIFIER ** Delete model option not required.
          8.Model VALS-024:
          a.Power Requirements: 24 VAC, 0.08 A.
          9.Model VALS-120:
          a.Power Requirements: 120 VAC, 0.06 A, 50/60 Hz.
 
          C.Fuse:
          1.Basis of Design: Radial Lead Fuse, 374 Series, TR5 Fuse, Time Lag; as manufactured by Littelfuse.
          2.Compliance: UL 248.
          3.Halogen free and lead-free.
          4.Reduced PCB space requirements.
          5.Low internal resistance.
 
          D.Ventostat:
          1.Basis of Design: Ventostat Wall Mount CO2, Humidity, and Temperature Transmitters; as manufactured by Telaire.
          2.Non-dispersive infrared absorption sensing.
          3.Power Requirements: 18-30 VAC, 50/60 Hz.
          4.Operating Temperature: 32 to 122 degrees F (0 to 50 degrees C).
 
          PART 3EXECUTION
 
          3.1EXAMINATION
 
          A.Do not begin installation until substrates have been properly constructed and prepared.
 
          B.If substrate preparation is the responsibility of another installer, notify Architect in writing of unsatisfactory preparation before proceeding.
 
          3.2PREPARATION
 
          A.Clean surfaces thoroughly prior to installation.
 
          B.Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
 
          3.3INSTALLATION
 
          A.Install in accordance with manufacturer's instructions, approved submittals, and in proper relationship with adjacent construction.
 
          3.4FIELD QUALITY CONTROL
 
          A.Field Inspection: Coordinate field inspection in accordance with appropriate sections in Division 01.
          ** NOTE TO SPECIFIER ** Include if manufacturer provides field quality control with onsite personnel for instruction or supervision of product installation, application, erection or construction. Delete if not required.
 
          B.Manufacturer's Services: Coordinate manufacturer's services in accordance with appropriate sections in Division 01.
 
          3.5CLEANING AND PROTECTION
 
          A.Clean products in accordance with the manufacturer's recommendations.
 
          B.Touch-up, repair or replace damaged products before Substantial Completion.
 
         
END OF SECTION