SPRINGPORT - BP#2 - ADDENDUM No 03.pdf

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©2026 Tower Pinkster Titus Associates, Inc.

ADDENDUM NO. 3

DATE OF ISSUANCE: September 30, 2026

PROJECT: Springport BP2 Elementary

300 W Main St

Springport, MI 49284

OWNER: Springport Public Schools

ARCHITECT’S PROJECT NO.: 24-139.020

ORIGINAL BID ISSUE DATE: August 28, 2026

SCOPE OF WORK

This Addendum includes changes to, or clarifications of, the original Bidding Documents and any previously issued addenda, and shall be included in the Bid. All of these Addendum items form a part of the Contract Documents. The Bidder shall acknowledge receipt of this Addendum in the appropriate space provided on the Bid Form. Failure to do so may result in disqualification of the Bid.

DOCUMENTS INCLUDED IN THIS ADDENDUM

This Addendum includes two (2) pages of text and the following documents:

• Bidding Documents: None

• Contract Conditions: None

• Specification Sections: 21 1000

Drawings: None

CHANGES TO PREVIOUSLY ISSUED ADDENDA

None.

CHANGES TO BIDDING REQUIREMENTS

None

CHANGES TO CONTRACT CONDITIONS

9.30.2026 Addendum No. 3 // Springport High School & Elementary School // 24-139.020 2

©2026 Tower Pinkster Titus Associates, Inc.

CHANGES TO SPECIFICATIONS

ADD-3 No S-1 - Updated 21 1000

See updated specification section 21 1000

CHANGES TO DRAWINGS

END OF ADDENDUM.

PROJECT NO. 024139.020 WATER BASED FIRE SUPPRESSION SYSTEMS

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 1

SPRINGPORT PUBLIC SCHOOLS AUGUST 28, 2026

© 2026 Tower Pinkster Titus Associates - All Rights Reserved

SECTION 21 1000 – WATER BASED FIRE SUPPRESSION SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following fire-suppression piping inside the building:

1. Wet-pipe sprinkler systems.

2. Preaction sprinkler systems.

B. Related Sections include the following:

1. Division 28 Section "Fire Detection and Alarm" for alarm devices not specified in this Section.

1.2 SYSTEM DESCRIPTIONS

A. Wet-Pipe Sprinkler System: Automatic sprinklers are attached to piping containing water and that is connected to water supply. Water discharges immediately from sprinklers when they are opened.

Sprinklers open when heat melts fusible link or destroys frangible device. Hose connections are included if indicated.

B. Preaction Sprinkler System: Automatic sprinklers are attached to piping containing air. Actuation of fire-detection system in same area as sprinklers opens deluge valve, permitting water to flow into piping and to discharge from sprinklers that have opened.

1.3 PERFORMANCE REQUIREMENTS

A. Standard Piping System Component Working Pressure: Listed for at least 175 psig.

B. Fire-suppression sprinkler system design shall be approved by authorities having jurisdiction.

1. Maximum Protection Area per Sprinkler: Per UL listing, NFPA, and manufacturers specifications.

1.4 ACTION SUBMITTALS

A. Product Data: For the following:

1. Piping materials, including flexible connections and sprinkler specialty fittings.

2. Valves, including listed fire-protection valves, unlisted general-duty valves, and specialty valves and trim.

3. Air compressors, including electrical data.

4. Sprinklers, escutcheons, and guards. Include sprinkler flow characteristics, mounting, finish, and other pertinent data.

5. Alarm devices, including electrical data.

B. Shop Drawings: Diagram power, signal, and control wiring.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 2

1. Sprinklers shall be referred to on drawings, submittals and other documentation, by the sprinkler identification or Model number as specifically published in the appropriate agency listing or approval. Trade names or other abbreviated designations shall not be allowed.

2. Grooved joint couplings and fittings shall be referred to on drawings and product submittals, and be identified by the manufacturer’s listed model or series designation.

C. Approved Sprinkler Piping Drawings: Working plans, prepared according to NFPA 13, that have been approved by authorities having jurisdiction, including hydraulic calculations, if applicable.

1.5 INFORMATIONAL SUBMITTALS

A. Field quality-control test reports.

B. Field Test Reports and Certificates: Indicate and interpret test results for compliance with performance requirements and as described in NFPA 13. Include "Contractor's Material and Test Certificate for Aboveground Piping" and "Contractor's Material and Test Certificate for Underground Piping."

1.6 CLOSEOUT SUBMITTALS

A. Operation and maintenance data.

1.7 QUALITY ASSURANCE

A. Installer Qualifications: Installation and alterations of fire protection piping, equipment, specialties, and accessories, and repair and servicing of equipment shall be performed only by a qualified installer experienced in such work; with a minimum of 5 previous projects similar in size and scope to this project;

be familiar with all precautions required; and has complied with all the requirements of the authority having jurisdiction.

1. Installer's responsibilities include designing, fabricating, and installing fire-suppression systems and providing professional engineering services needed to assume engineering responsibility. Base calculations on results of fire-hydrant flow test.

a. Engineering Responsibility: Preparation of working plans, calculations, and field test reports by a qualified professional engineer or NICET Level III or IV certified layout technician.

B. NFPA Standards: Fire-suppression-system equipment, specialties, accessories, installation, and testing shall comply with the following:

1. NFPA 13, "Installation of Sprinkler Systems."

C. All grooved couplings, fittings, valves, and specialties shall be the products of a single manufacturer.

Grooving tools shall be of the same manufacturer as the grooved components.

D. All castings used for couplings housings, fittings, or valve and specialty bodies shall be date stamped for quality assurance and traceability.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 3

1.8 COORDINATION

A. Coordinate layout and installation of sprinklers with other construction that penetrates ceilings, including light fixtures, HVAC equipment, and partition assemblies.

1.9 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Sprinkler Cabinets: Finished, wall-mounting, steel cabinet with hinged cover, with space for minimum of six spare sprinklers plus sprinkler wrench. Include number of sprinklers required by NFPA 13 and sprinkler wrench.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product selection:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the manufacturers specified.

2.2 DUCTILE-IRON PIPE AND FITTINGS

A. Mechanical-Joint, Ductile-Iron Pipe: AWWA C151, with mechanical-joint bell end and plain end.

1. Mechanical-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

2. Glands, Gaskets, and Bolts: AWWA C111, ductile- or gray-iron gland, rubber gasket, and steel bolts and nuts.

B. Push-on-Joint, Ductile-Iron Pipe: AWWA C151, with push-on-joint bell end and plain end.

1. Push-on-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

2. Gaskets: AWWA C111, rubber.

C. Grooved-End, Ductile-Iron Pipe: AWWA C151, with factory- or field-formed, radius-cut-grooved ends according to AWWA C606.

1. Grooved-Joint Piping Systems:

a. Manufacturers:

1) Victaulic Co. of America.

b. Grooved-End Fittings: ASTM A 536, ductile-iron casting with OD matching ductile-iron-pipe

OD.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 4

c. Grooved-End-Pipe Couplings: AWWA C606, gasketed fitting matching ductile-iron-pipe OD. Include ductile-iron housing with keys matching ductile-iron-pipe and fitting grooves, rubber gasket with center leg, and steel bolts and nuts.

d. Grooved-End-Pipe Transition Coupling: UL 213 and AWWA C606, gasketed fitting with end matching ductile-iron-pipe OD and end matching steel-pipe OD. Include ductile-iron housing with key matching ductile-iron-pipe groove and key matching steel-pipe groove, rubber gasket listed for use with housing, and steel bolts and nuts.

2.3 STEEL PIPE AND FITTINGS

A. Steel Pipe: ASTM A 53/A 53M, ASTM A 135, or ASTM A 795.

1. Main and line piping NPS 2 and larger to be Schedule 10 grooved.

2. Line piping NPS 1-1/2 and smaller to be Schedule 40 threaded.

a. If hydraulically proven, NPS 1-1/4 and NPS 1-1/2 may be Schedule 10.

B. Steel Pipe Fittings:

1. Cast-Iron Threaded Flanges: ASME B16.1.

2. Malleable-Iron Threaded Fittings: ASME B16.3.

3. Gray-Iron Threaded Fittings: ASME B16.4.

4. Steel Threaded Pipe Nipples: ASTM A 733, made of ASTM A 53/A 53M or ASTM A 106, Schedule 40, seamless steel pipe. Include ends matching joining method.

5. Steel Threaded Couplings: ASTM A 865.

6. Locking-Lug Fittings: UL 213, ductile-iron body with retainer lugs that require one-quarter turn to secure pipe in fitting.

7. Steel Welding Fittings: ASTM A 234/A 234M, and ASME B16.9 or ASME B16.11.

8. Steel Flanges and Flanged Fittings: ASME B16.5.

C. Grooved-Joint Piping Systems:

1. Grooved-End Fittings: UL-listed, ASTM A 536, ductile-iron casting with OD matching steel-pipe OD. In applicable sizes, fittings shall be short pattern, with flow equal to standard pattern fittings.

Basis of Design: Victaulic FireLock.

a. Installation-Ready™ fittings for Schedule 40 grooved end steel piping in fire protection applications sizes NPS 1-¼ thru 2½ (DN 32 thru DN 65). Fittings shall consist of a ductile iron housing with Installation-Ready™ ends, prelubricated Grade “E” EPDM Type ‘A’ gasket, and ASTM A449 electroplated steel bolts and nuts. UL listed for a working pressure of 300 psi (2065 kPa) and FM approved for working pressure 365 psi (2517kPa).

2. Grooved-End-Pipe Couplings: UL 213 and AWWA C606, rigid pattern, unless otherwise indicated;

gasketed fitting matching steel-pipe OD. Include ductile-iron housing with keys matching steel-pipe and fitting grooves, pre-lubricated rubber center-leg gasket listed for use with housing with pipe stop to ensure proper groove engagement, alignment, and pipe insertion depth, and ASTM A449 electroplated steel bolts and nuts.

a. Rigid Type: Housings cast with offsetting, angle-pattern, bolt pads to provide system rigidity and support and hanging in accordance with NFPA-13, fully installed at visual pad-to-pad offset contact. (Couplings that require exact gapping at specific torque ratings are not permitted.). Installation-Ready for complete installation without field disassembly. Basis of Design: Victaulic Style 009N and 107N.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 5

b. Flexible Type: For use in locations where vibration attenuation and stress relief are required: Basis of Design: Victaulic Installation-Ready Style 177.

3. Gaskets: Material, thickness, and type suitable for intended service and design system temperatures and pressures.

2.4 SPRINKLER SPECIALTY FITTINGS

A. Sprinkler specialty fittings shall be UL listed or FMG approved, with 175-psig minimum working-pressure rating, and made of materials compatible with piping.

B. Outlet Specialty Fittings:

1. Manufacturers:

a. Anvil International, Inc.

b. Ductilic, Inc.

c. JDH Pacific, Inc.

d. National Fittings, Inc.

e. Shurjoint Piping Products, Inc.

f. Southwestern Pipe, Inc.

g. Victaulic Co. of America.

h. Ward Manufacturing.

2. Mechanical-T and -Cross Fittings: UL 213, ductile-iron housing with gaskets, bolts and nuts, and threaded, locking-lug, or grooved outlets.

3. Snap-On and Strapless Outlet Fittings: UL 213, ductile-iron housing or casting with gasket and threaded outlet.

4. Basis of Design: Victaulic Style 920 / 920N.

C. Sprinkler Drain and Alarm Test Fittings: Cast-bronze or ductile-iron body; with threaded, grooved, or locking-lug inlet and outlet, test valve, and orifice and sight glass.

1. Manufacturers:

a. Fire-End and Croker Corp.

b. Viking Corp.

c. Victaulic Co. of America.

2. Basis of Design: Victaulic 747.

D. Sprinkler Branch-Line Test Fittings: Brass body with threaded inlet, capped drain outlet, and threaded outlet for sprinkler.

1. Manufacturers:

a. Elkhart Brass Mfg. Co., Inc.

b. Fire-End and Croker Corp.

c. Potter-Roemer; Fire-Protection Div.

E. Sprinkler Inspector's Test Fitting: Cast-bronze or ductile-iron housing with threaded or grooved inlet and drain outlet and sight glass.

1. Manufacturers:

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 6

a. AGF Manufacturing Co.

b. G/J Innovations, Inc.

c. Triple R Specialty of Ajax, Inc.

2. Basis of Design: Victaulic Style 720 TestMasterTM II

F. Drop-Nipple Fittings: UL 1474, adjustable with threaded inlet and outlet, and seals.

1. Manufacturers:

a. CECA, LLC.

b. Merit.

G. Flexible, Sprinkler Hose Fittings:

1. Manufacturers:

a. Victaulic Co.

2. Standard: UL 2443 and FM 1637.

3. Type: Fully stainless steel flexible hose with captured coupling Style 108 for connection to sprinkler, and with one-piece open-gate "Series AB1" bracket for connection to ceiling grid. Bracket to allow for installation before ceiling tile is in place.

4. Hose: UL approved Series AH2 or AH2-CC braided hose with a bend radius to 2 Inch (53 mm) for proper installation in confined spaces.

5. Pressure Rating: 175-psig (1200-kPa) minimum.

6. Size: Same as connected piping, for sprinkler.

7. Basis of Design: Victaulic Vic-Flex.

8. In lieu of threaded steel piping systems, the Victaulic FireLock IGS System with “Installation-

Ready™ fittings and couplings may be used for NPS 1 (DN 25) Schedule 10 and Schedule 40 carbon steel pipe in fire protection applications. System rated for a working pressure to 365 psi (2517 kPa).

a. Groove: IGS “Innovative Groove System” groove with shortened “A” dimension and tapered groove backside for ease of installation.

b. Grooving Tool: Victaulic RG2100, with IGS Confirmation Gauge.

c. UL listed and FM approved rigid coupling to join sprinklers with IGS profile grooved ends to matching 1” IGS outlets; Coupling consists of two cast copper-alloy housing segments for connection of ½”, ¾”, and 1” sprinklers. Coupling includes an EPDM Type A gasket, with zinc-plated cap screws conforming to ASTM F835, and nylon insert locknut. Installation-ready, for direct push installation without field disassembly. Rated for a working pressure to 175 psi (1205 kPa). Victaulic Model V9.

2.5 LISTED FIRE-PROTECTION VALVES

A. Valves shall be UL listed or FMG approved, with 175-psig minimum pressure rating.

B. Ball Valves: Comply with UL 1091, except with ball instead of disc.

1. NPS 1-1/2 and Smaller: Bronze or brass body with threaded ends.

2. NPS 2 and NPS 2-1/2: Bronze body with threaded ends or ductile-iron body with grooved ends.

3. NPS 3: Ductile-iron body with grooved ends.

4. Manufacturers:

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 7

a. NIBCO.

b. Victaulic Co. of America.

C. Butterfly Valves: UL 1091.

1. NPS 2 and Smaller: Bronze body with threaded ends.

a. Manufacturers:

1) Milwaukee Valve Company.

2. NPS 2-1/2 and Larger: Bronze, cast-iron, or ductile-iron body; wafer type or with flanged or grooved ends.

a. Manufacturers:

1) McWane, Inc.; Kennedy Valve Div.

2) Mueller Company.

3) NIBCO.

4) Pratt, Henry Company.

5) Victaulic Co. of America.

b. Basis of Design: Victaulic Series 608N and Series 705.

D. Check Valves NPS 2 and Larger: UL 312, swing type, cast-iron body with flanged or grooved ends.

1. Manufacturers:

a. AFAC Inc.

b. American Cast Iron Pipe Co.; Waterous Co.

c. Clow Valve Co.

d. Crane Co.; Crane Valve Group; Crane Valves.

e. Crane Co.; Crane Valve Group; Jenkins Valves.

f. Firematic Sprinkler Devices, Inc.

g. Globe Fire Sprinkler Corporation.

h. Hammond Valve.

i. Matco-Norca, Inc.

j. McWane, Inc.; Kennedy Valve Div.

k. Mueller Company.

l. NIBCO.

m. Potter-Roemer; Fire Protection Div.

n. Reliable Automatic Sprinkler Co., Inc.

o. Stockham.

p. United Brass Works, Inc.

q. Venus Fire Protection, Ltd.

r. Victaulic Co. of America.

s. Watts Industries, Inc.; Water Products Div.

2. Basis of Design: Victaulic Series 717.

E. Gate Valves: UL 262, OS&Y type.

1. NPS 2 and Smaller: Bronze body with threaded ends.

a. Manufacturers:

1) Crane Co.; Crane Valve Group; Crane Valves.

2) Hammond Valve.

3) NIBCO.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 8

4) United Brass Works, Inc.

2. NPS 2-1/2 and Larger: Cast-iron body with flanged ends.

a. Manufacturers:

1) Clow Valve Co.

2) Crane Co.; Crane Valve Group; Crane Valves.

3) Crane Co.; Crane Valve Group; Jenkins Valves.

4) Hammond Valve.

5) Milwaukee Valve Company.

6) Mueller Company.

7) NIBCO.

8) Red-White Valve Corp.

9) United Brass Works, Inc.

3. Basis of Design: Victaulic Series 771.

F. Indicating Valves: UL 1091, with integral indicating device and ends matching connecting piping.

1. Indicator: Indicator: Electrical, 115-V ac, prewired, single-circuit, supervisory switch.

2. NPS 2 and Smaller: Ball or butterfly valve with bronze or brass body and threaded or grooved ends.

a. Manufacturers:

1) Milwaukee Valve Company.

2) NIBCO.

3) Victaulic Co. of America.

b. Basis of Design: Victaulic Series 728.

3. NPS 2-1/2 and Larger: Butterfly valve with cast- or ductile-iron body; wafer type or with flanged or grooved ends.

a. Manufacturers:

1) Central Sprinkler Corp.

2) Grinnell Fire Protection.

3) McWane, Inc.; Kennedy Valve Div.

4) Milwaukee Valve Company.

5) NIBCO.

6) Victaulic Co. of America.

b. Basis of Design: Victaulic Series 705.

2.6 UNLISTED GENERAL-DUTY VALVES

A. Ball Valves NPS 2 and Smaller: MSS SP-110, 2-piece copper-alloy body with chrome-plated brass ball, 600-psig minimum CWP rating, blowout-proof stem, and threaded ends.

B. Check Valves NPS 2 and Smaller: MSS SP-80, Type 4, Class 125 minimum, swing type with bronze body, nonmetallic disc, and threaded ends.

C. Gate Valves NPS 2 and Smaller: MSS SP-80, Type 2, Class 125 minimum, with bronze body, solid wedge, and threaded ends.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 9

D. Globe Valves NPS 2 and Smaller: MSS SP-80, Type 2, Class 125 minimum, with bronze body, nonmetallic disc, and threaded ends.

2.7 SPECIALTY VALVES

A. Sprinkler System Control Valves: UL listed or FMG approved, cast- or ductile-iron body with flanged or grooved ends, and 175-psig minimum pressure rating.

B. Sprinkler System Control Valves: UL listed or FMG approved, cast- or ductile-iron body with flanged or grooved ends, and 175-psig minimum pressure rating. Control valves shall have 250-psig minimum pressure rating if valves are components of high-pressure piping system.

1. Manufacturers:

a. AFAC Inc.

b. Firematic Sprinkler Devices, Inc.

c. Globe Fire Sprinkler Corporation.

d. Reliable Automatic Sprinkler Co., Inc.

e. Venus Fire Protection, Ltd.

f. Victaulic Co. of America.

g. Viking Corp.

2. Alarm Check Valves: UL 193, designed for horizontal or vertical installation, with bronze grooved seat with O-ring seals, single-hinge pin, and latch design. Include trim sets for bypass, drain, electrical sprinkler alarm switch, pressure gages, and fill-line attachment with strainer.

a. Drip Cup Assembly: Pipe drain with check valve to main drain piping.

b. Valve internal components shall be replaceable without removal of valve from installed position.

c. Basis of Design: Vicatulic Series 751 (with Series 752 retarding chamber).

C. Pressure-Regulating Valves: UL 1468, brass or bronze, NPS 1-1/2 and NPS 2-1/2, 400-psig minimum rating. Include female NPS inlet and outlet, adjustable setting feature, and straight or 90-degree-angle pattern design as indicated.

1. Manufacturers:

a. AFAC Inc.

b. Elkhart Brass Mfg. Co., Inc.

c. Fire-End and Croker Corp.

d. GMR International Equipment Corporation.

e. Potter-Roemer; Fire Protection Div.

f. Zurn Industries, Inc.; Wilkins Div.

D. Automatic Drain Valves: UL 1726, NPS 3/4, ball-check device with threaded ends.

1. Manufacturers:

a. AFAC Inc.

E. Universal Manifold Check Assembly:

1. 1. Manufacturers:

a. Globe Fire Sprinkler.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 10

2. Standard: UL Listed and FM Approved.

3. Pressure Rating: Universal manifold check valve shall be rated for use at the maximum service pressure of 300 psi.

4. Type: Horizontal or Vertical installation.

5. Body Material: Ductile iron construction, incorporating a control valve, check valve, flow switch, test

& drain assembly, adjustable relief valve, and system gauges in one compact body/footprint, and shall be manufactured for “right” and “left”-hand orientations. The test & drain assemble shall contain an adjustable relief valve, with a range of 175 to 310 psi.

6. End Connections: Threaded or Grooved.

7. Basis of Design: Globe Model UMC.

F. Universal Manifold Assembly:

1. Manufacturers:

a. Globe Fire Sprinkler.

2. Standard: UL Listed and FM Approved.

3. Pressure Rating: Universal manifold check valve shall be rated for use at the maximum service pressure of 300 psi.

4. Type: Horizontal or Vertical installation.

5. Body Material: Ductile iron construction, incorporating a control valve, flow switch, test & drain assembly, adjustable relief valve, and system gauges in one compact body/footprint, and shall be manufactured for “right” and “left”-hand orientations. The test & drain assemble shall contain an adjustable relief valve, with a range of 175 to 310 psi.

6. End Connections: Threaded or Grooved.

7. Basis of Design: Globe Model UM.

2.8 MANUAL CONTROL STATIONS

A. Manual Control Stations: UL listed or FMG approved, hydraulic operation, with union, NPS 1/2 pipe nipple, and bronze ball valve. Include metal enclosure labeled "MANUAL CONTROL STATION" with operating instructions and cover held closed by breakable strut to prevent accidental opening.

2.9 CONTROL PANELS

A. Description: Single-area, two-area, or single-area cross-zoned type control panel as indicated, including NEMA ICS 6, Type 1 enclosure, detector, alarm, and solenoid-valve circuitry for operation of deluge valves. Panels contain power supply; battery charger; standby batteries; field-wiring terminal strip;

electrically supervised solenoid valves and polarized fire alarm bell; lamp test facility; single-pole, double-throw auxiliary alarm contacts; and rectifier.

1. Panels: UL listed and FMG approved when used with thermal detectors and Class A detector circuit wiring. Electrical characteristics are 120-V ac, 60 Hz, with 24-V dc rechargeable batteries.

2. Manual Control Stations: Electric operation, metal enclosure, labeled "MANUAL CONTROL STATION" with operating instructions and a cover held closed by breakable strut.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 11

2.10 SPRINKLERS

A. Sprinklers shall be UL listed or FMG approved, with 175-psig minimum pressure rating.

B. Manufacturers:

1. Tyco.

2. Globe Fire Sprinkler Corporation.

3. Reliable Automatic Sprinkler Co., Inc.

4. Venus Fire Protection, Ltd.

5. Victaulic Co. of America.

6. Viking Corp.

C. Automatic Sprinklers: With heat-responsive element complying with the following:

1. UL 199, for nonresidential applications.

2. UL 1767, for early-suppression, fast-response applications.

D. Sprinkler Types and Categories: Nominal 1/2-inch orifice for "Ordinary" temperature classification rating, unless otherwise indicated or required by application.

1. Open Sprinklers: UL 199, without heat-responsive element.

a. Orifice: 1/2 inch, with discharge coefficient K between 5.3 and 5.8.

b. Orifice: 17/32 inch, with discharge coefficient K between 7.4 and 8.2.

E. Sprinkler types, features, and options as follows:

1. Extended-coverage sprinklers.

2. Pendent sprinklers.

3. Quick-response sprinklers.

4. Recessed sprinklers, including escutcheon.

5. Sidewall sprinklers.

6. Upright sprinklers.

F. Sprinkler Finishes: Chrome plated, bronze, and painted.

G. Special Coatings: Wax, lead, and corrosion-resistant paint.

H. Sprinkler Escutcheons: Materials, types, and finishes for the following sprinkler mounting applications.

Escutcheons for concealed, flush, and recessed-type sprinklers are specified with sprinklers.

1. Ceiling Mounting: Chrome-plated steel, one piece, flat.

2. Sidewall Mounting: Chrome-plated steel, one piece, flat.

I. Escutcheons and guards shall be listed, supplied and approved for use with the sprinkler by the sprinkler manufacturer.

J. Sprinkler Guards: Wire-cage type, including fastening device for attaching to sprinkler.

K. Use of flexible drop sprinklers is acceptable upon approval of product specification.

1. Braided lines required for FMG protects.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 12

L. Wrenches shall be provided by the sprinkler manufacturer that directly engage the wrench boss cast in the sprinkler body.

2.11 ALARM DEVICES

A. Alarm-device types shall match piping and equipment connections.

B. Horn Strobe Alarm:

1. The horn strobe shall be listed to UL 1971 and UL 464 suitable for outdoor mounting and shall be approved for fire protective service. The horn strobe shall be wired as a primary-signaling notification appliance and comply with the Americans with Disabilities Act requirements for visible signaling appliances, flashing at 1Hz over the strobe’s entire operating voltage range.

2. The horn strobe shall mount to a standard back box with a universal mounting plate. The notification appliance circuit wiring shall terminate at the universal mounting plate.

C. Water-Flow Indicator: UL 346, electrical-supervision, paddle-operated-type, water-flow detector with 250-psig pressure rating and designed for horizontal or vertical installation. Include two single-pole, double-throw circuit switches for isolated alarm and auxiliary contacts, 7 A, 125-V ac and 0.25 A, 24-V dc;

complete with factory-set, field-adjustable retard element to prevent false signals and tamperproof cover that sends signal if removed.

1. Manufacturers:

a. ADT Security Services, Inc.

b. ITT McDonnell & Miller.

c. Potter Electric Signal Company.

d. System Sensor.

e. Viking Corp.

f. Watts Industries, Inc.; Water Products Div.

D. Pressure Switch: UL 753, electrical-supervision-type, water-flow switch with retard feature. Include single-pole, double-throw, normally closed contacts and design that operates on rising pressure and signals water flow.

1. Manufacturers:

a. Potter Electric Signal Company.

b. System Sensor.

c. Viking Corp.

E. Valve Supervisory Switch: UL 753, electrical, single-pole, double-throw switch with normally closed contacts. Include design that signals controlled valve is in other than fully open position.

1. Manufacturers:

a. McWane, Inc.; Kennedy Valve Div.

b. Potter Electric Signal Company.

c. System Sensor.

F. Indicator-Post Supervisory Switch: UL 753, electrical, single-pole, double-throw switch with normally closed contacts. Include design that signals controlled indicator-post valve is in other than fully open position.

SPRINGPORT HIGH SCHOOL & ELEMENTARY SCHOOL - BP#2 21 1000 - 13

1. Manufacturers:

a. Potter Electric Signal Company.

b. System Sensor.

2.12 PRESSURE GAGES

A. Manufacturers:

1. AGF Manufacturing Co.

2. AMETEK, Inc.; U.S. Gauge.

3. Brecco Corporation.

4. Dresser Equipment Group; Instrument Div.

5. Marsh Bellofram.

6. WIKA Instrument Corporation.

B. Description: UL 393, 3-1/2- to 4-1/2-inch- diameter, dial pressure gage with range of 0 to 300 psig.

1. Water System Piping: Include caption "WATER" or "AIR/WATER" on dial face.

2. Air System Piping: Include retard feature and caption "AIR" or "AIR/WATER" on dial face.

PART 3 - EXECUTION

3.1 PREPARATION

A. If a flow test at the nearest outside fire hydrant is older than two (2) years from the date of the calculations, perform a new fire-hydrant flow test according to NFPA 13 and NFPA 291.

B. Report test results promptly and in writing.

3.2 PIPING APPLICATIONS, GENERAL

A. Shop weld pipe joints where welded piping is indicated.

B. Do not use welded joints for galvanized-steel pipe.

C. Flanges, flanged fittings, unions, nipples, and transition and special fittings with finish and pressure ratings same as or higher than system's pressure rating may be used in aboveground applications, unless otherwise indicated.

D. Piping between Fire Department Connections and Check Valves: Galvanized, standard-weight steel pipe with cast- or malleable-iron threaded fittings and threaded joint; or grooved-end fittings, pipe couplings;

and grooved joints.

E. Underground Service-Entrance Piping: Ductile-iron, mechanical-joint pipe and fittings and restrained joints or ductile-iron, grooved-end pipe and fittings; grooved-end-pipe couplings; and grooved joints.

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3.3 SPRINKLER SYSTEM PIPING APPLICATIONS

A. Standard-Pressure, Wet-Pipe Sprinkler System, 175-psig Maximum Working Pressure:

1. NPS 2 and Smaller: Black steel pipe with any of the following joints:

a. Cast- or malleable-iron threaded fittings; and threaded joints.

b. Locking-lug fittings; and twist-locked joints.

c. Grooved-end fittings; grooved-end-pipe couplings; and grooved joints.

2. NPS 2-1/2and Larger: Black steel pipe with any of the following joints:

a. Cast- or malleable-iron threaded fittings; and threaded joints.

b. Steel welding fittings; and welded joints.

c. Grooved-end fittings; grooved-end-pipe couplings; and grooved joints.

3.4 VALVE APPLICATIONS

A. Listed Fire-Protection Valves: UL listed and FMG approved for applications where required by NFPA 13.

1. Shutoff Duty: Use ball, butterfly, or gate valves.

B. Unlisted General-Duty Valves: For applications where UL-listed and FMG-approved valves are not required by NFPA 13.

1. Shutoff Duty: Use ball, butterfly, or gate valves.

2. Throttling Duty: Use ball or globe valves.

3.5 JOINT CONSTRUCTION

A. Refer to Division 21 Section "Common Work Results for Fire Suppression" for basic piping joint construction.

B. Threaded Joints: Comply with NFPA 13 for pipe thickness and threads. Do not thread pipe smaller than NPS 8 (DN 200) with wall thickness less than Schedule 40 unless approved by authorities having jurisdiction and threads are checked by a ring gage and comply with ASME B1.20.1.

C. Twist-Locked Joints: Insert plain-end piping into locking-lug fitting and rotate retainer lug one-quarter turn.

D. Grooved Joints: Assemble joints with listed coupling and gasket, lubricant, and bolts in accordance with the manufacturer’s latest published instructions.

1. Ductile-Iron Pipe: Radius-cut-groove ends of piping. Use grooved-end fittings and grooved-end-pipe couplings.

2. Steel Pipe: Square-cut or roll-groove piping as indicated. Use grooved-end fittings and rigid, grooved-end-pipe couplings, unless otherwise indicated.

3. Gaskets shall be molded and produced by the grooved coupling manufacturer.

4. Grooved coupling manufacturer’s factory trained field representative shall provide on-site training for contractor’s field personnel in the proper use of grooving tools, application of groove, and installation of grooved piping products. The factory trained representative shall periodically visit the jobsite to ensure best practices in grooved product installation are being followed. Contractor shall remove and replace any improperly installed products.

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3.6 SERVICE-ENTRANCE PIPING

A. Connect fire-suppression piping to water-service piping of size and in location indicated for service entrance to building.

B. Install shutoff valve, backflow preventer, pressure gage, drain, and other accessories at connection to water-service piping as required by authorities having jurisdiction.

3.7 PIPING INSTALLATION

A. Refer to Division 21 Section "Common Work Results for Fire Suppression" for basic piping installation.

B. Locations and Arrangements: Drawing plans, schematics, and diagrams indicate general location and arrangement of piping. Install piping as indicated, as far as practical.

1. Deviations from approved working plans for piping require written approval from authorities having jurisdiction. File written approval with Architect before deviating from approved working plans.

C. Install underground ductile-iron service-entrance piping according to NFPA 24 and with restrained joints.

D. Use approved fittings to make changes in direction, branch takeoffs from mains, and reductions in pipe sizes.

E. Install unions adjacent to each valve in pipes NPS 2 and smaller. Unions are not required on flanged devices or in piping installations using grooved joints.

F. Install flanges or flange adapters on valves, apparatus, and equipment having NPS 2-1/2 and larger connections.

G. Unions or flanges for servicing and disconnect are not required in installations using grooved joint couplings.

H. Install "Inspector's Test Connections" in sprinkler system piping, complete with shutoff valve, sized and located according to NFPA 13.

I. Install sprinkler piping with drains for complete system drainage.

J. Install ball drip valves to drain piping between fire department connections and check valves. Drain to floor drain or outside building.

K. Install alarm devices in piping systems.

L. Hangers and Supports: Comply with NFPA 13 for hanger materials.

1. Install sprinkler system piping according to NFPA 13.

M. Install pressure gages on riser or feed main, at each sprinkler test connection, and at top of each standpipe. Include pressure gages with connection not less than NPS 1/4 and with soft metal seated globe valve, arranged for draining pipe between gage and valve. Install gages to permit removal, and install where they will not be subject to freezing.

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N. Fill wet-pipe sprinkler system piping with water.

3.8 VALVE INSTALLATION

A. Install listed fire-protection valves, unlisted general-duty valves, specialty valves and trim, controls, and specialties according to NFPA 13 and authorities having jurisdiction.

B. Install listed fire-protection shutoff valves supervised-open, located to control sources of water supply except from fire department connections. Install permanent identification signs indicating portion of system controlled by each valve.

C. Specialty Valves:

1. Alarm Check Valves: Install in vertical position for proper direction of flow, including bypass check valve and retarding chamber drain-line connection.

3.9 SPRINKLER APPLICATIONS

A. Drawings indicate sprinkler types to be used. Where specific types are not indicated, use the following sprinkler types:

1. Rooms without Ceilings: Upright sprinklers.

2. Rooms with Suspended Ceilings: Recessed sprinklers.

3. Wall Mounting: Sidewall sprinklers.

4. Special Applications: Extended-coverage, flow-control, and quick-response sprinklers.

5. Sprinkler Finishes:

a. Upright, Pendent, and Sidewall Sprinklers: Chrome plated in finished spaces exposed to view; rough bronze in unfinished spaces not exposed to view; wax coated where exposed to acids, chemicals, or other corrosive fumes.

b. Recessed Sprinklers: Bright chrome, with bright chrome escutcheon.

3.10 SPRINKLER INSTALLATION

A. Install sprinklers in suspended ceilings in center of acoustical ceiling panels and tiles.

B. Install institutional sprinklers with retaining flange.

C. Do not install sprinklers that have been dropped, damaged, show a visible loss of fluid, or a cracked bulb.

D. The sprinkler bulb protector shall be removable by hand, without tools or devices that may damage the bulb.

3.11 CONNECTIONS

A. Drawings indicate general arrangement of piping, fittings, and specialties.

B. Install piping adjacent to equipment to allow service and maintenance.

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C. Install ball drip valves at each check valve for fire department connection. Drain to floor drain or outside building.

D. Connect piping to specialty valves, specialties, fire department connections, and accessories.

E. Connect air compressor to the following piping and wiring:

1. Pressure gages and controls.

2. Electrical power system.

3. Fire alarm devices, including low-pressure alarm.

F. Electrical Connections: Power wiring is specified in Division 26.

G. Connect alarm devices to fire alarm.

H. Ground equipment according to Division 26 Section "Grounding and Bonding for Electrical Systems."

I. Connect wiring according to Division 26 Section "Low-Voltage Electrical Power Conductors and Cables."

J. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A and UL 486B.

3.12 LABELING AND IDENTIFICATION

A. Install labeling and pipe markers on equipment and piping according to requirements in NFPA 13.

3.13 FIELD QUALITY CONTROL

A. Perform the following field tests and inspections and prepare test reports:

1. Leak Test: After installation, charge system and test for leaks. Repair leaks and retest until no leaks exist.

2. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

3. Energize circuits to electrical equipment and devices.

4. Start and run air compressors.

5. Flush, test, and inspect sprinkler systems according to NFPA 13, "Systems Acceptance" Chapter.

6. Coordinate with fire alarm tests. Operate as required.

7. Verify that equipment hose threads are same as local fire department equipment.

B. Report test results promptly and in writing to Construction Manager and authorities having jurisdiction.

3.14 CLEANING AND PROTECTION

A. Clean dirt and debris from sprinklers.

B. Remove and replace sprinklers with paint other than factory finish.

C. Protect sprinklers from damage until Substantial Completion.

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3.15 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain specialty valves. Refer to Division 01 Section "Demonstration and Training."

END OF SECTION 21 1000