FIRE SPRINKLER DESIGN NOTES

1.0 SCOPE OF WORK RISER DIAGRAM (TYP.) PEX

P
SYS IPE TO

DRAWN BY: RA
CHECKED: RA
N.T.S.

MAY 28, 2025

1. INSTALLATION OF A COMPLETE FIRE SPRINKLER SYSTEM WITHIN A NEW BUILDING.
TEM 6
2. A NEW 1" COPPER-L UNDERGROUND WILL BE TAPPED INTO AN EXISTING 1" METER.
3. ALL CONDUIT PIPE SHALL BE P.E.X. PIPE WITH P.E.X. FITTINGS.
HOUSE SPRINKLER
DRAIN VALVE
4. SYSTEM DESIGN IS PER NFPA-13D, 2019 EDITION, STATE AND LOCAL CODES AND STANDARDS. ROOF OR CEILING SPACE
SYSTEM RISER
5. ALL MATERIAL SHALL BE UL LISTED AND/OR FM APPROVED.
PRESSURE
MINIMUM 6" CLEAR SPACE GAUGE
6. ALL PIPE SIZES SHALL BE 1 INCH NOMINAL DIAMETER UNLESS OTHERWISE SPECIFIED IN THE

CONTRACTOR
FLOW SWITCH
DRAWINGS.

2.0 GENERAL NOTES FOR RESIDENTIAL OCCUPANCIES AS PER DOMESTIC

DECK CONTROL VALVE
NFPA-13D-2019
PRESSURE
SPRINKLERS SHALL BE INSTALLED IN ALL AREAS WITH THE EXCEPTION OF:
MAX. 16' GAUGE 7
1. BATHROOMS UNDER 55 S.F DO NOT REQUIRE PROTECTION PER NFPA-13D 8.3.2.
(N) BACKFLOW MAIN SHUT
2. CLOSETS UNDER 24 S.F DO NOT REQUIRE PROTECTION PER NFPA-13D 8.3.3.
5'-8" PREVENTER OFF VALVE E
3. SPRINKLERS ARE SPACED TO A MAX OF 16'x16' (256 SQ.FT.) SIDEWALL SPRINKLER DETAILS (TYP.) P I P
BEDROOM #3
BATH #3
10'-10" 4. SPRINKLERS SHALL NOT BE REQUIRED IN ATTICS WITH OR WITHOUT STORAGE PER NFPA-13D
N.T.S. (E) DOMESTIC WATER U.G "
METER "L
8.3.5. O P.
12'

C
) 2"
(N
3.0 GENERAL NOTES "

FIRE SPRINKLER PLAN

2
(E)

(E)

PROJECT TYPE
KITCHEN
"

RESIDENTIAL R-2
"K

CIT
1. CODE COMPLIANCE: ALL DESIGN, MATERIALS, AND INSTALLATIONS SHALL COMPLY WITH THE
P.
10'

CO

YM
7'-4" LATEST EDITIONS OF NFPA 13, 13D/13R (AS APPLICABLE), THE MASSACHUSETTS STATE
BUILDING AND PLUMBING CODES, AND REQUIREMENTS OF THE AUTHORITY HAVING

AIN
CL CL
JURISDICTION (AHJ). HYDRAULIC SIZING CRITERIA
11'-10" 2. APPROVED MATERIALS: ONLY NEW, UL-LISTED AND FM-APPROVED RESIDENTIAL SPRINKLERS
HYDRAULIC CALCULATION CRITERIA, USED TO DETERMINE PIPE
AND PEX PIPING LISTED FOR WET PIPE FIRE SPRINKLER SYSTEMS SHALL BE INSTALLED.
SIZES SHALL BE REQUIRED BY THE AUTHORITIES HAVING
DEVICES NOT LISTED FOR FIRE PROTECTION USE ARE STRICTLY PROHIBITED, EXCEPT FOR
JURISDICTION AND SHALL BE CALCULATED AS FOLLOWS:
SUPPORTS, TANKS, AND PUMPS.
7'

BATH #2 1. OCCUPANCY CLASSIFICATION: = LIGHT HAZARD,

3. PEX INSTALLATION STANDARDS: 1" PEX PIPING SHALL BE INSTALLED USING 2. DENSITY = 0.050 GPM/SQ.FT,
BEDROOM #2
MANUFACTURER-APPROVED FITTINGS, SUPPORTS, AND METHODS. PIPING MUST BE 3. CITY WATER PRESSURE ASSUMED FOR DESIGN; HYDRAULIC
5'-3"

PROTECTED FROM UV EXPOSURE, PHYSICAL DAMAGE, AND EXCESSIVE HEAT (DO NOT EXCEED CALCULATIONS CONFIRM SYSTEM MEETS FIRE PROTECTION

PROJECT LOCATION
FLOW AND PRESSURE PER APPLICABLE STANDARDS.

50 PONTIAC STREET
200°F DURING OR AFTER INSTALLATION).

BOSTON, MA 02120
7'-11" 4. SPRINKLER HEAD PLACEMENT: HORIZONTAL SIDEWALL SPRINKLERS SHALL BE INSTALLED PER 4. DIA OF ALL PIPES IS 1" EXCEPT THE CONNECTIONS SERVING
SINGLE SPRINKLER ON MAIN FLOOR. PIPE SERVING SINGLE
MANUFACTURER’S SPECIFICATIONS FOR SPACING, ORIENTATION, CLEARANCE FROM
3'-2"

DN SPRINKLER ON MAIN FLOOR CAN BE OF MINIMUM DIA 3/4"

HALLWAY OBSTRUCTIONS, AND ELEVATION. ESCUTCHEONS MUST BE INSTALLED WHERE PIPING
6'-5"

PENETRATES FINISHED WALLS.

5. COLD CLIMATE PROTECTION: ANY PART OF THE SYSTEM LOCATED IN UNCONDITIONED SPACES
W
16'

OFFICE (E.G., ATTICS, EXTERIOR WALLS) MUST BE PROTECTED FROM FREEZING WITH THERMAL
1'-9" INSULATION, HEAT TRACING (UL-LISTED FOR PEX), OR ENCLOSURE WITHIN HEATED AREAS. CALCULATION:
PIPING MATERIALS
11'-11" FREEZING RISK MUST BE ADDRESSED BY DESIGN. 1. LIGHT HAZARD @ 0.05 GPM/SQ. FT
FIRE SPRINKLER SYSTEM
6. ALTERNATIVE FREEZE PROTECTION: IF FREEZE PROTECTION CANNOT BE FULLY ENSURED, A 2. ACTUAL DESIGN AREA: 2 HEADS CALC PIPING:
TYPE "L" HARD DRAWN COPPER, CONFORMING TO ASTM
UL-LISTED ANTIFREEZE SYSTEM OR DRY SYSTEM MAY BE CONSIDERED, SUBJECT TO AHJ 3. EXCESS AVAILABLE RESIDUAL PRESSURE
B-88. TYPE "K" HARD DRAWN COPPER, CONFORMING TO
∅1-1/4" FROM ASTM B-88.
SECOND FLOOR 1'-9" APPROVAL AND NFPA COMPLIANCE. 4. AT CALCULATED FLOW: 21.65 PSI

CONSTRUCTION
PEX TUBING, CONFORMING TO ASTM F876 AND ASTM F877
12'-4"

7. SYSTEM TESTING: THE SYSTEM SHALL BE HYDROSTATICALLY TESTED AT 200 PSI FOR A 5. TOTAL DEMAND: 30.43 USGPM @ 89.72 PSI

ISSUED FOR
11'-4"

BATH #1 MINIMUM OF 2 HOURS, AND VISUALLY INSPECTED FOR LEAKS AT ALL JOINTS. TESTING MUST BE
CL
WITNESSED BY THE AHJ, WITH AT LEAST TWO BUSINESS DAYS’ NOTICE FOR SCHEDULING
UP
INSPECTIONS.
8. FLUSHING AND COMMISSIONING: UNDERGROUND PIPING SHALL BE THOROUGHLY FLUSHED
1'-11" 2'-1"
6'-8"

BEFORE CONNECTION TO OVERHEAD PIPING. THE ENTIRE SYSTEM MUST BE FLUSHED AND
SPRINKLER HEAD SCHEDULE
CLEANED BEFORE FINAL ACCEPTANCE TESTING AND OCCUPANCY APPROVAL.

HORIZONTAL SIDEWALL
EXTENDED COVERAGE
QUICK RESPONSE (QR)

VERTICAL SIDEWALL
9. SPRINKLER SPARES: A MINIMUM OF THREE SPARE SPRINKLERS OF EACH TYPE, TEMPERATURE

STANDARD (SR) OR
8'-3"

OPERATING TEMP.
5'-2"

NOTE:

FM-APPROVED
RATING, AND ORIFICE SIZE USED IN THE SYSTEM SHALL BE STORED AT THE MAIN RISER, ALONG *ALL FINISHES ARE SUBJECT TO APPROVAL BY

CONCEALED
BEDROOM #1 ARCHITECT.

RECESSED

UL-LISTED
K-FACTOR

PENDANT
UPRIGHT
WITH A COMPATIBLE SPRINKLER WRENCH.

SYMBOL

DRY
10. LABELING AND SIGNAGE: ALL CONTROL VALVES MUST HAVE PERMANENTLY AFFIXED MANUFACTURER

81 OCEANSIDE DRIVE
MODEL NO. FINISH* SIN NUMBER REMARKS

DESIGN BY SAMI LLC.

SCITUATE, MA 02066
PLANS PREPARED BY
IDENTIFICATION SIGNS INDICATING THEIR FUNCTION. ALARM DEVICES MUST PROVIDE A TYCO LFII 5.6 QR 155°F SPRINKLER HEAD COVER PLATE FACTORY-PANTED TY3334 RESIDENTIAL
WHITE.
MINIMUM OF 15 DBA ABOVE BACKGROUND NOISE LEVELS IN ALL SLEEPING AREAS.
TYCO LFII 5.6 QR 200°F SPRINKLER HEAD COVER PLATE FACTORY-PANTED TY3331 RESIDENTIAL
11. FIELD INSPECTIONS: THE SPRINKLER SYSTEM SHALL UNDERGO TWO FIELD INSPECTIONS: (1) WHITE.

DURING ROUGH PLUMBING AND (2) AT FINAL INSPECTION, PRIOR TO OCCUPANCY. BOTH MUST
BE COORDINATED WITH AND APPROVED BY THE LOCAL FIRE PREVENTION OFFICE.
12. WORKMANSHIP AND SAFETY: ALL WORK SHALL BE CONDUCTED IN A SAFE, PROFESSIONAL, AND
CODE-COMPLIANT MANNER. PENETRATIONS SHALL BE PROPERLY SEALED WITH UL-LISTED
FIRESTOP MATERIALS, AND FINAL INSTALLATION SHALL BE DOCUMENTED WITH AS-BUILT

PROPOSED FIRST FLOOR PLAN DRAWINGS AND O&M MANUALS.

SCALE: 1/4" = 1'-0"

SHEET 1 OF 2
 DRAWN BY: RA
CHECKED: RA
MAY 28, 2025
CONTRACTOR
DECK
DECK DECK

DN DN

D5
9'

6'-3"
6'-8"

6'-8"
BATH #4 BATH #4
11'-10"

11'-10"
KITCHEN KITCHEN

BEDROOM #3 9'-10" 9'-10" ROOF 2 1

BEDROOM
BEDROOM #3
11'-9"

FIRE SPRINKLER PLAN

PROJECT TYPE

RESIDENTIAL R-2
11'-9"
7'-4" 7'-4"
13'-4"

13'-4"
CL CL CL CL
CL

BATH #3

33'-8" DORMER
LIVING ROOM LIVING ROOM
11'-11" 11'-10"
11'-11" 11'-10" ∅1" TO
ATTIC FLOOR
6
BEDROOM #2 ∅1-1/4" TO ∅1-1/4" FROM
THIRD FLOOR BEDROOM #2 SECOND FLOOR BATH #2

CL ∅1" FROM
5'-8"

5'-8"
6'-8"

6'-8"
5 3 SECOND FLOOR
Conn.1

PROJECT LOCATION
4
BATH #5 BATH #5

50 PONTIAC STREET
6'-0" DORMER
33"X29"

BOSTON, MA 02120
5'-6"
MECH W/D
Ø1-1/4"

Ø1-1/4"
ROOM/ STACK
MECH BATH #4
4'
33"X29" STORAGE 4'
33"X29" ROOM
W/D W/D /STORAGE

10'-9"
BATH #3 STACK BATH #3 STACK BEDROOM
1'-6"

1'-6"
DN DN 10'-8" DN
5'

5'
2'
6'-5"

6'-5"
16'

16'
step OFFICE step

7'-11" 7'-11" 6'-3"

∅1-1/4" TO
OFFICE FIRST FLOOR
UP UP

CONSTRUCTION
ISSUED FOR
33"X29" BATH #1
W/D
1'-9" 1'-9" STACK
BATH #2 BATH #2

16'-3"
F 2'-3"
CL D1 CL
BEDROOM

9'-7"
CL
BEDROOM #1

BEDROOM #1
15'-6" BATH #1 15'-6" BATH #1
7'-8"

7'-8"

81 OCEANSIDE DRIVE
DESIGN BY SAMI LLC.

SCITUATE, MA 02066
PLANS PREPARED BY
PROPOSED SECOND FLOOR PLAN PROPOSED THIRD FLOOR PLAN PROPOSED ATTIC FLOOR PLAN
SCALE: 1/4" = 1'-0" SCALE: 1/4" = 1'-0" SCALE: 1/4" = 1'-0"

SHEET 2 OF 2