225 lines
4.5 KiB
Markdown
225 lines
4.5 KiB
Markdown
---
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id:
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aliases: []
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tags:
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- systems/fire-alarm
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---
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# Fire Alarm
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## Sequence
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### 1. Estimate preparation
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1. Initial the OneNote
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2. Read about the project specifications and construction type
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3. Find Fire Alarm plans (if present)
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4. Locate the following rooms:
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* Fire Command Center (FCC)
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* Generator Room
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* Fire Pump Room
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* Elevator Control Rooms
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* Elevator Shafts
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* Stairwells
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### 2. Takeoff
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#### Riser
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##### Fire Command Center
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{Building Type} Head End CA.30.23.X
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##### Generator Room
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CA.30.22.2
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##### Fire Pump Room
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CA.30.22.4
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##### FACR to Elevator Shafts
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Elevator Shafts (CA.30.22.8)
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FACR TO ELEV SHAFT 1 ½" (CA.30.22.10/11)
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Measure Length from the most distant points of the FACR and each shaft.
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Input adder length to reach the bottom of the pit
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(Minimum 15ft adder).
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```
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| 1 shaft | 2 shafts |
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| || +--------+ +--------+ || | || +--------+ || +--------+ || |
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| || | Elev 1 | | Elev 2 | || | || | Elev 1 | || | Elev 2 | || |
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| || +--------+ +--------+ || | || +--------+ || +--------+ || |
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| ||=======================|| | ||============||============|| |
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| | |
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```
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##### FACR to Elevator Control Rooms
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Elevator Control Room (CA.30.22.6)
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FACR/FCC TO ELEV CONTROL ROOM (CA.30.22.13/14)
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* Measure the Horizontal and Vertical Distance from the FACR to the ECR.
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* Use Typicals for the vertical riser. (Ex// 10' per floor)
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##### FACR to Stairwells
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FACR TO STAIRWELLS 1" PVC (CA.30.22.17)
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* Measure from the furthest end of FACR to the furthest end of the stairwell to find length
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* This is for the Flow/Tamper modules in the stairwells
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##### Terminal Cabinets
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TERMINAL CABINETS (2) 2" EMT/PVC (CA.30.26. __)
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Horizontal:
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* Measure from the Fire Command room to all electrical rooms
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Vertical:
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* Use 10ft Riser in Typical
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* GA or HD - 1" conduit / HR - (2) 2" conduits)
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##### Annunciator Panels
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* Fire Alarm Annunciator (FAA),
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* Fire Alarm Annunciator Panel (FAAP)
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ANNUNCIATORS (CA.30.27.2/3)
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Remote Serial Annunciator, LCD Display - PVC
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* Measure from the Fire Command Room to FAA or Lobby
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##### Sleeving
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#### Devices
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1. Takeoff floor plans in order
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2. Takeoff enlarged drawings
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##### Smoke Detectors
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_Design Build:_
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Count every stairwell at every level.
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##### Pull Stations
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_Design Build:_
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Count every stairwell at every level
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and every exterior exit.
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##### Flow-Tamper Switches
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No free air. if wood frame, take off as EMT.
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_Design Build:_
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Count every stairwell at every level.
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##### Magnetic Door Holders
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Mech Connection - PVC AL Flex - 20 A
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_Design Build:_
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Count every set of double doors.
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(Typical of elevator lobbies and corridors)
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##### Speaker Strobes
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_Design Build:_
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* Count every 75 ft,
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* measure with circles on Bluebeam
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* or divide relevant SF area by 4415
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* $\pi(\frac{75}{2})^2 \approx 4415$
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* every elevator lobby,
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* and every BOH room on the first floor and garage levels.
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#### Fire Smoke Dampers (FSD's)
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Take off both FA and Electrical
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* Misc Assemblies
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#### Area of Refuge (AoR) / Two-Way
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PROPOSAL "STAND ALONE SYSTEMS"
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CA.31.27. 4/7
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##### Horizontal
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Take off once
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* Length:
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* If shown on Plans (FA/Systems/ etc.)
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* based on FCR to Elevator Lobbies & FCR to Stairwells* (Whichever is longer)
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* Count: Number of boxes run to. If not shown, use the largest count between Elev. & Strwlls.
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##### Vertical
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Typical on all floors
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* Length: 15ft x per count
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* Count: match Horizontal
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#### Responder Radio / DAS
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##### FACR to Every Elev. Shaft
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FACR TO ELEV PIT = 2" PVC40
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CA.28.31.5
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Match Fire Alarm takeoff Length and Count
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##### FACR to Every Staircase
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FACR TO STAIRWELL = 2" PVC40
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CA.28.31.8
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Match Fire Alarm takeoff Length and Count
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##### Stairwell Riser Every 2 Floors
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STAIRWELL RISER EVERY 2 FLRS = 1 1/2" EMT (20') W/ 16X16X6 BOX
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CA.28.31.12
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Create a Stairwell typical on every other floor
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##### FACR to Electric Room
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FACR TO 2HR-RATED RM = 2" PVC40
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CA.28.31.14
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Match Fire Alarm takeoff Length
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##### Electric Room Riser to Every Floor
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2HR-RATED RM RISER TO EVERY FLR = 2" EMT (15') W/ 16X16X6 BOX
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CA.28.31.18
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Takeoff in every Electric Room
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##### Top 2H Rated Room To Roof
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FACR TO ROOF = 2" EMT W/ RMC WEATHERHEAD & IMC STUB
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CA.28.31.18
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Use 15' or Height of ceiling on last building level
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##### Horizontal
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CORRIDORS EMT OH = 1 1/2" EMT W/ 16X16X6 BOX EVERY 80'
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CA.28.31.23
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CORRIDORS DECK = 1 1/2" PVC40, STUBBY, FLEX W/ 16X16X6 BOX EVERY 80'
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CA.28.31.21
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1-1/2 through corridors w/ 16x16x6 J-Box
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Length for every corridor/garage
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### 3. Extension (Review and Checking)
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* Sleeving
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