36C77018R9601-0003003.pdf

Tucson CMOP SAVAHCS Storage Mezzanine Tucson, AZ

21 13 13 - 1

WET-PIPE SPRINKLER SYSTEM

SECTION 21 13 13

WET-PIPE SPRINKLER SYSTEMS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Design, installation and testing shall be in acc ordance with

NFPA 13.

B. The design and installation and modification of the existing sprinkler system as indicated on the drawings and as further required by these specifications.

1.2 DESIGN CRITERIA

A. Design Basis Information: Provide design, materi als, equipment, installation, inspection, and testing of the automa tic sprinkler system in accordance with the requirements of NFPA 13.

1. Perform hydraulic calculations in accordance wit h NFPA 13 utilizing the Area/Density method. Additionally, the calculat ed demand

(including hose stream requirements) shall fall no less than 10 percent below the available water supply curve. Do not restrict design area reductions permitted for using quick re sponse sprinklers throughout by the required use of standard response sprinklers in the areas identified in this section.

2. If the Sprinkler system modifications required b y the new construction necessitate re-calculation of the exis ting system sprinkler system, the Contractor shall perform that work as part of this project.

3. Sprinkler Protection: Sprinkler Hazard Classific ations for new work shall be Extra Hazard, Group 1 (storage racks excee ding 12’ in height), Class IV. Confirm hazard classification wi th the CMOP

Project Manager prior to starting design.

4. Water Supply: See Drawings for the Flow Test dat a the original

Sprinkler System was based upon. Contact CMOP Proj ect Manager for recently performed Flow Test data.

1.3 SUBMITTALS

A. The Fire Protection drawings indicate the approx imate level of work on this project. Submit as one package, detailed worki ng drawings that are signed by a NICET Level III or Level IV Sprinkler T echnician or stamped by a Registered Professional Engineer licensed in t he field of Fire

Protection Engineering. The installer remains respo nsible for the Fire

21 13 13 - 2

Protection design and installation, including corre cting any conflicts with other trades and/or building construction that arise during installation. Partial submittals will not be accept ed. Material submittals shall be approved prior to the purchase or delivery to the job site. Provide submittal items in PDF format. S ubmittals shall include, but not be limited to, the following:

1. Qualifications:

a. Provide a copy of the installing Contractors Com mercial Fire

Sprinkler license.

b. Provide a copy of the NICET certification for th e NICET Level III or Level IV Sprinkler Technician who prepared and s igned the detailed working drawings unless the drawings are s tamped by a

Registered Professional Engineer licensed in the fi eld of Fire

Protection Engineering.

c. Provide documentation showing that the installer has been actively and successfully engaged in the installati on of commercial automatic sprinkler systems for the past ten years.

2. Drawings: Submit detailed 1:100 (1/8 inch) scale (minimum) working drawings conforming to the Plans and Calculations c hapter of NFPA

13. Drawings shall include graphical scales that al low the user to determine lengths when the drawings are reduced in size. Include a plan showing the piping to the water supply test lo cation.

3. Manufacturer’s Data Sheets: Provide data sheets for all materials and equipment proposed for use on the system. Inclu de listing information and installation instructions in data s heets. Where data sheets describe items in addition to those proposed to be used for the system, clearly identify the proposed items on the sheet.

4. Calculation Sheets:

a. Submit hydraulic calculation sheets in tabular f orm conforming to the requirements and recommendations of the Plans a nd

Calculations chapter of NFPA 13.

5. Final Document Submittals: Provide as-built draw ings, testing and maintenance instructions. In addition, submittals shall include, but not be limited to, the following:

a. A complete set of as-built drawings showing the existing installed system interconnections with the new syst em.

21 13 13 - 3

b. Material and Testing Certificate: Upon completio n of the sprinkler system installation or any partial sectio n of the system, including testing and flushing, provide a c opy of a completed Material and Testing Certificate as indic ated in NFPA

13. Certificates shall be provided to document all parts of the installation.

1.4 QUALITY ASSURANCE

A. Installer Reliability: The installer shall posse ss a valid State of

Arizona Commercial Fire Sprinkler Contractor's lice nse. The installer shall have been actively and successfully engaged i n the installation of commercial automatic sprinkler systems for the p ast ten years.

B. Materials and Equipment: All equipment and devic es shall be of a make and type listed by UL or approved by FM, or other n ationally recognized testing laboratory for the specific purpose for whi ch it is used. All materials, devices, and equipment shall be approved by the CMOP Project

Manager. All materials and equipment shall be free from defect. All materials and equipment shall be new unless specifi cally indicated otherwise on the contract drawings.

1.5 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of thi s specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. National Fire Protection Association (NFPA):

13-13...................Installation of Sprinkler S ystems

25-14...................Inspection, Testing, and Ma intenance of Water-

Based Fire Protection Systems

C. Underwriters Laboratories, Inc. (UL):

Fire Protection Equipment Directory (2011)

D. Factory Mutual Engineering Corporation (FM):

Approval Guide

PART 2 - PRODUCTS

2.1 PIPING & FITTINGS

A. Piping and fittings for sprinkler systems shall be in accordance with

NFPA 13.

1. Plain-end pipe fittings with locking lugs or she ar bolts are not permitted.

21 13 13 - 4

2. Piping sizes 50 mm (2 inches) and smaller shall be black steel

Schedule 40 with threaded end connections.

3. Piping sizes 65 mm (2 ½ inches) and larger shall be black steel

Schedule 10 with grooved connections. Grooves in S chedule 10 piping shall be rolled grooved only.

4. Plastic piping shall not be permitted except for drain piping.

5. Flexible sprinkler hose shall be FM Approved and limited to hose with threaded end fittings with a minimum inside di ameter or 1-inch and a maximum length of 6-feet.

2.2 VALVES

A. General:

1. Valves shall be in accordance with NFPA 13.

2. Do not use quarter turn ball valves for 50 mm (2 inch) or larger.

2.3 SPRINKLERS

A. All sprinklers shall be FM approved quick respon se type.

B. Temperature Ratings: In accordance with NFPA 13.

C. Provide sprinkler guards in accordance with NFPA 13 and when the elevation of the sprinkler head is less than 7 feet 6 inches above finished floor. The sprinkler guard shall be UL lis ted or FM approved for use with the corresponding sprinkler.

2.4 SPRINKLER SYSTEM SIGNAGE

Rigid plastic, steel or aluminum signs with white lettering on a red background with holes for easy attachment to piping .

2.5 PIPE HANGERS AND SUPPORTS OF SYSTEM PIPING

Pipe hangers and supports of system piping shall b e in accordance with

NFPA 13.

2.6 WALL, FLOOR AND CEILING PLATES

Provide chrome plated steel escutcheon plates.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Installation shall be accomplished by the licens ed contractor. Provide a qualified technician, experienced in the installa tion and operation of the type of system being installed, to supervise the installation and testing of the system.

B. Installation of Piping: Accurately cut pipe to m easurements established by the installer and work into place without spring ing or forcing. In

21 13 13 - 5 any situation where bending of the pipe is required , use a standard pipe-bending template. Concealed piping in spaces t hat have finished ceilings. Where ceiling mounted equipment exists, i nstall sprinklers so as not to obstruct the movement or operation of the equipment. Sidewall heads may need to be utilized. Piping shall not obs truct the minimum means of egress clearances required by NFPA 101. Pi pe hangers and supports of system piping shall be installed accord ance with NFPA 13.

C. Welding: Conform to the requirements and recomme ndations of NFPA 13.

D. Drains: Provide drips and drains, including low point drains, in accordance with NFPA 13. Pipe drains to discharge at safe points outside of the building or to sight cones attached to drains of adequate size to readily carry the full flow from e ach drain under maximum pressure. Do not provide a direct drain con nection to sewer system or discharge into sinks. Install drips and d rains where necessary and required by NFPA 13. The drain piping shall not be restricted or reduced and shall be of the same diameter as the drain collector.

E. Inspector's Test Connection: Install and supply in accordance with NFPA

13, locate in a secured area, and discharge to the exterior of the building.

F. Provide escutcheon plates for exposed piping pas sing through walls, floors or ceilings.

G. Sleeves: Provide for pipes passing through mason ry or concrete. Provide space between the pipe and the sleeve in accordance with NFPA 13. Seal this space with a UL Listed through penetration fir e stop material.

Where core drilling is used in lieu of sleeves, als o seal space with UL

Listed fire stop material.

H. UL Listed Firestopping shall be provided for all penetrations of fire resistance rated construction.

I. Sprinkler System Signage: Provide rigid sprinkl er system signage in accordance with NFPA 13 and NFPA 25.

J. Repairs: Repair damage to the building or equipm ent resulting from the installation of the sprinkler system by the install er at no additional expense to the Owner.

K. Interruption of Service: There shall be no inter ruption of the existing sprinkler protection, water, electric, or fire alar m services without prior permission of the Owner. Contractor shall dev elop an interim fire

21 13 13 - 6 protection program where interruptions involve occu pied spaces; request in writing at least one week prior to the planned i nterruption.

3.2 INSPECTION AND TEST

A. Preliminary Testing: Flush newly installed syste ms prior to performing hydrostatic tests in order to remove any debris whi ch may have been left as well as ensuring piping is unobstructed. Hy drostatically test system, including the fire department connections, as specified in NFPA

13, in the presence of the CMOP Project Manager or his designated representative.

B. Final Inspection and Testing: Subject system to tests in accordance with NFPA 13, and when all necessary corrections ha ve been accomplished, advise the CMOP Project Manager to sc hedule a final inspection and test. Furnish all instruments, labor and materials required for the tests and provide the services of the installation foreman or other competent representative of the in staller to perform the tests. Correct deficiencies and retest system a s necessary, prior to the final acceptance.

- - - E N D - - -