fire alarm narrative_salem smoke/
24 Denby Rd #011 Allston MA Date.9/27/19
617.981.2539 FAX 6117.830.0117
Jmcaruso.com MA LIC21084A/
-----------------------------------------------------------------------------------------------------------------
Fire Alarm Systems Narrative
Attn; Salem Fire Department
Re Location
1 Lafayette St Salem MA
This document addresses the specific fire alarm system aspects of the renovation of an existing unit located 1 Lafayette St Salem MA
and generally addresses the site access conditions.
1. Basis of Design, Sequence of Operation and Testing Criteria
A) Basis of Design
1) Building description
a) Mixed use 1 story building
b) Construction isolated to (1) retail space split into 2 sides.
2) Scope of Construction
a) Add new addressable pull station (at exit6) and Smoke detector (in utility) tied into buildings FACP
b) swap existing Horn/Strobes thought-out unit (9 total) with new
c) New device locations shall comply with CMR 780, 8th Edition for Group
.
3) Applicable Laws, Regulations and Standards
a) Salem Fire Department
b) The Massachusetts General Laws (Chapter 148: Fire Prevention)
c) The International Building Code 2009 with amendments in the Massachusetts
State Building Code (8th Edition - 780 CMR Chapter 4 and 9)
d) Board of Fire Prevention and Regulation (527 CMR Chapter 24: Fire Warning
Systems Installed in Buildings within the Commonwealth of Massachusetts)
e) NFPA 72
4) Sprinkler system
a) the building is fully sprinklered (excising to remain)
5) Fire Protective Signaling System
a) The design of the fire alarm system shall be based on engineering criteria as
defined by the Massachusetts State Building Code, CMR 780, and NFPA 72.
b) The fire alarm system for the area shall be new and fully addressable with
horn/strobe evacuation
c) The fire alarm system shall be powered by the building power supply and fully supported by a secondary battery supply capable of supporting 60 hours of full supervisory operation
followed by 15 minutes of alarm.
d) The renovation shall be protected by a fire alarm system in all areas of the
1) The audible/visible notification appliances shall have a sound level of at
least 15 dBA above the average ambient sound level, or 5 dBA above the
maximum sound level having a duration of at least 60 seconds. All
audible/visible notification appliances are to be mounted 80 inches above
the finished floor.
2) Storage rooms will be protected with system type smoke detectors.
3) There will be system horn/strobes and strobes in all common areas of the tenant space.
4) Manual pull stations will be located within five feet of each exit.
e) Each initiating device shall have full analog detection capabilities and will
identify its exact location.
B) Sequence of Operation
1) The operation of a manual station or activation of any automatic alarm initiating
device (system smoke, system heat detector, water flow, pulls) shall initiate a system wide
response according to established response procedures and as follows:
a) Initiate the transmission of the alarm directly to the Municipal Fire Station by a
connection to an approved central station via digital dialer.
b) Upon activation of the evacuation tone, all visual signals shall activate
throughout the evacuation area. Visual notification shall be synchronized in
accordance with applicable code requirements and NFPA 72 guidelines.
c) Flash an alarm LED and sound an audible signal at the existing FACP and
remote annunciator. Upon Acknowledgment, the alarm LED shall light steadily
and the audible shall silence. Subsequent alarms shall re-initiate this sequence.
d) Visually indicate the alarm initiating device type and location via the LCD
display at the existing FACP.
e) Release all electrified door latches.
f) All system events shall be stored in an event history file. System events shall be
reported to designated building staff and emergency response personnel via
email/pager notification as described herein.
g) Activate the existing exterior weatherproof beacon.
2) The operation or activation of other device designated to initiate a system Supervisory
condition shall cause the following to occur:
a) Flash a Supervisory LED and sound an audible tone at the existing FACP. Upon Acknowledgment, the LED shall light steadily and the audible shall silence.
Subsequent Supervisory conditions shall re-initiate this sequence.
b) Initiate reporting of the event to the Municipal Fire Department via Central
Station and to designated staff members via email notification as required and
described herein.
c) Visually indicate the device type and location via the LCD display located at the existing FACP.
d) Visually annunciate the type of initiating device and its zone, floor or area as
required on all existing system annunciators. In addition, a Supervisory LED and
an audible tone will sound. Upon Acknowledgment, the LED shall light steadily
and the audible shall silence. Subsequent Supervisory conditions shall re-initiate
this sequence.
e) Record the event in the event history log and print a record of the event on the
system printer where applicable. All restorations shall likewise be recorded.
3) In the event of any System Trouble condition such as a device removed, loss of AC Power or wiring fault, a system Trouble condition shall occur as follows:
a) Flash a Trouble LED and sound an audible tone at the existing FACP. Upon Acknowledgment, the LED shall light steadily and the audible shall silence.
Subsequent Trouble conditions shall re-initiate this sequence.
b) Initiate reporting of the event to the Municipal Fire Station via Central Station
and to designated staff members via email notification as required and described
herein.
c) Visually indicate the device type and location via the LCD display located at the existing FACP.
d) Visually annunciate the type of initiating device and its zone, floor or area as
required on all existing system annunciators. In addition, a Trouble LED and an
audible tone will sound. Upon Acknowledgment, the LED shall light steadily
and the audible shall silence. Subsequent Trouble conditions shall re-initiate this
sequence.
e) Record the event in the event history log and print a record of the event on the
system printer where applicable. All restorations shall likewise be recorded.
C) Testing Criteria
`1) General
a) The contractor shall be responsible for the coordination of all required
acceptance testing and shall schedule a meeting with the fire inspector for review
and verification at least five days in advance of the test acceptance date.
b) All fire protection systems applicable to the building shall be pre-tested for
proper operation.
c) The fire protection systems shall be tested as a system with all equipment ready
for operation.
d) The following personnel shall be on site on the day of the test with one set of the individual as-built drawings of the specific fire protection systems:
(i) General contractor and electrical contractor
(ii) Fire protection engineer or P.E.
(iii)Fire alarm contractor
e) The Fire Department shall direct and witness all testing.
f) The following tests shall be performed with all equipment and devices to be
tested:
(i) Fire alarm system including: each device, wiring supervision, wiring
connection. Proper mounting of equipment, notification appliance, and
related control features, dialer connection shall be checked.
(ii) Verification of fire stopping
(iii)Verification of equipment function signs, charts, tags
(iv) Verification of lock box, with keys to all building access doors and
emergency equipment rooms.
2) Fire Protective Signaling System
a) All fire protection systems shall be tested with all equipment ready for operation..The following tests shall be performed with all equipment and devices to be
tested:
(i) Control Equipment
(ii) Batteries
(iii)Control Panel Trouble Signals
(iv)Conductors
(v) Initiating Devices
(vi)Alarm Notification Devices
End Of Narrative