What the heck is a DAS / BDA System DC/MD/VA Automatic Fire Alarm - - PowerPoint PPT Presentation

▶
what the heck is a das bda system
SMART_READER_LITE
LIVE PREVIEW

What the heck is a DAS / BDA System DC/MD/VA Automatic Fire Alarm - - PowerPoint PPT Presentation

Feb 14, 2024 248 likes •890 views

What the heck is a DAS / BDA System DC/MD/VA Automatic Fire Alarm Association (AFAA) Presented by, Raymond Skjold BearCom Lets get the acronyms correct There interchangeable terms DAS BDA ERRCS Signal Booster

slide-1
SLIDE 1

What the “heck” is a DAS / BDA System

DC/MD/VA Automatic Fire Alarm Association (AFAA) Presented by, Raymond Skjold BearCom

slide-2
SLIDE 2

Let’s get the acronyms correct

  • There interchangeable terms
  • DAS
  • BDA
  • ERRCS
  • Signal Booster
  • They are all terms used to describe..
slide-3
SLIDE 3
slide-4
SLIDE 4

Two Types of DAS / BDA Systems

  • Public Safety
  • Cellular
slide-5
SLIDE 5

BDA / DAS / ERRCS / Signal Booster

  • Provide in-building two-way radio coverage for first responders.
  • The system takes the radio signals from outside of the building, and

distributes them to internal areas of the building, and vice a versa.

  • The signals are boosted by an in-building amplifier.
slide-6
SLIDE 6
slide-7
SLIDE 7
slide-8
SLIDE 8
slide-9
SLIDE 9
slide-10
SLIDE 10

Other reasons for the lack of First Responder Radio coverage

  • New Public Safety Radio Spectrum, 700 MHz, does not travel as far as

Legacy Radios.

  • Sub-Grade Floors, Basements
  • Metal Foil Back Insulation
  • Legacy Buildings. Strong, Industrial, Heavy Duty
  • RF Shielded Areas
  • Stairwells
  • Elevators
  • Important during search & rescue operations
slide-11
SLIDE 11

Other reasons for the lack of First Responder Radio Coverage

  • As a Rule…
  • The Greener it gets (LEEDS) ….. The more difficulty the Radio Signal

has of penetrating the Building’s outer Skin.

slide-12
SLIDE 12
slide-13
SLIDE 13

Which Public Safety Agency primarily needs In-Building Radio coverage

  • Police
  • EMS
  • FIRE
  • Fire Departments are search & rescue operations
slide-14
SLIDE 14

Where are BDA / DAS’s Systems Installed

  • Large Public & Private Venues
  • Stadiums
  • Malls
  • Schools
  • Hospitals
  • Distribution Centers
  • Manufacturing Plants
  • Airports
  • Senior Living Facilities
slide-15
SLIDE 15

Stop teasing us… what does a BDA System look like?

slide-16
SLIDE 16
slide-17
SLIDE 17
slide-18
SLIDE 18

Who decides if a Building needs a BDA / DAS System

  • Municipal Ordinance
  • Authority Having Jurisdiction (AHJ) ultimately defines the

requirements.

  • Installation and approval of the BDA may be required before issuing a

Certificate of Occupancy (CO).

  • New Construction or Buildings under Major Renovation
  • Lack of Radio Communication in existing Building
  • May only apply to Building over a certain Height & Size
  • Ambiguity. Determined by the Building Inspector
slide-19
SLIDE 19

Local Ordinances. Jurisdictions requiring In- Building BDA / DAS Systems

  • Montgomery County, MD
  • Alexandria, VA
  • Arlington, VA
  • Richmond, VA
  • Washington, DC
  • Anne Arundel County, MD
slide-20
SLIDE 20
slide-21
SLIDE 21

What’s the Specification?

slide-22
SLIDE 22
slide-23
SLIDE 23
slide-24
SLIDE 24
slide-25
SLIDE 25
slide-26
SLIDE 26
slide-27
SLIDE 27
slide-28
SLIDE 28
slide-29
SLIDE 29
slide-30
SLIDE 30
slide-31
SLIDE 31
slide-32
SLIDE 32
slide-33
SLIDE 33
slide-34
SLIDE 34
slide-35
SLIDE 35
slide-36
SLIDE 36
slide-37
SLIDE 37
slide-38
SLIDE 38
slide-39
SLIDE 39
slide-40
SLIDE 40
slide-41
SLIDE 41
slide-42
SLIDE 42
slide-43
SLIDE 43
slide-44
SLIDE 44
slide-45
SLIDE 45
slide-46
SLIDE 46

Let’s put it all together

slide-47
SLIDE 47
slide-48
SLIDE 48

We Love Alarms!!

slide-49
SLIDE 49
slide-50
SLIDE 50
slide-51
SLIDE 51
slide-52
SLIDE 52
slide-53
SLIDE 53

Deployment – 3 Phases

  • Assessment
  • System Design
  • Installation
slide-54
SLIDE 54

Assessment, Pre-Survey

  • What’s the Code or Ordinance
  • AHJ’s involved
  • Confirm Radio Frequencies
  • Floor Plans / Digital Blueprints
  • Non-Union or Union Job
  • Low Voltage Permit required?
slide-55
SLIDE 55

Assessment – Site Survey

  • Location of Roof Penetration / Weather Head for Donor Antenna
  • Antenna Placement on the Roof
  • Location of the BDA. Power & Plywood Backboard Requirements.

Usually in a Telephone or IDF Closet.

  • Location of Vertical Risers / Chases
  • Are there any open Conduits in the Riser?
  • Who is the ESUB on-site?
  • Who is the Fire Alarm Contractor on-site?
slide-56
SLIDE 56

System Design – Data Analysis

  • Review of the Code or Ordinance
  • Review of the Site Survey Information
  • Testing Requirements
slide-57
SLIDE 57

System Design – Floor Plans

  • iBwave – Floor Plans are imported into a software radio modeling tool

used to determine indoor two-way radio coverage.

  • Develop Bill of Materials (BOM) from the iBwave design.
  • Import iBwave design to CAD File for exact system layout in customers

environment

slide-58
SLIDE 58
slide-59
SLIDE 59

System Design – Equipment Pricing

  • Price out BOM
  • Obtain ESUB Cable Quotation
  • Obtain quote from Specialized BDA Integrator for system

Commissioning, AHJ Acceptance Testing & Cable Sweep Test

slide-60
SLIDE 60

Installation

  • Orient Roof Top Antenna toward Public Safety Tower
  • Cable Installation
  • BDA, Battery Backup & Annunciator Panel
  • Inside Antenna, Plenum Cable, Antenna Splitters & Couplers
  • Ground Kits
  • Make connections to the Fire Alarm System
  • Punch List Resolution
slide-61
SLIDE 61

Commissioning

  • Sweep Test of Cable
  • Some Codes require a PIM Test
  • Coordinate BDA Turn up with AHJ
  • Balance BDA levels & settings
  • Initial radio coverage test
  • Coordinate Acceptance Testing with AHJ
  • Pass Acceptance Test and obtain documentation for CO
slide-62
SLIDE 62

Choosing a knowledgeable Partner

  • Must know RF
  • Knowledge of Codes & AHJ requirements
  • Factory Certified Manufacturers Representative & Service Provider
  • Experienced and successful History of BDA Deployments
  • Must be able to provide iBwave Design and As-Built Documentation
slide-63
SLIDE 63

Thank You

Raymond Skjold BearCom Raymond.Skjold@BearCom (201) 258-0030