36C24419B0044-019.docx
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36C24419B0044 Attachment 18 - 21 13 13 Wet Pipe Sprinkler Systems.docx
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Text version
06-01-15
SECTION 21 13 13
WET-PIPE SPRINKLER SYSTEMS
PART 1 - GENERAL
1.1 Description
A. Design, installation and testing shall be in accordance with
NFPA 13.
B. Modification of the existing sprinkler system as indicated on the drawings and as further required by these specifications.
1.4 submittals
| 1. | Qualifications: |
| a. | Provide a copy of the installing contractors state contractor’s license. |
| b. | Provide documentation showing that the installer has been actively and successfully engaged in the installation of commercial automatic sprinkler systems for the past ten years. |
| 2. | Manufacturer’s Data Sheets: Provide data sheets for all materials and equipment proposed for use on the system. Include listing information and installation instructions in data sheets. Where data sheets describe items in addition to those proposed to be used for the system, clearly identify the proposed items on the sheet. |
1.5 QUALITY ASSURANCE
| A. | Installer Reliability: The installer shall possess a valid State of DE contractor's license. The installer shall have been actively and successfully engaged in the installation of commercial automatic sprinkler systems for the past ten years. |
| B. | Materials and Equipment: All equipment and devices shall be of a make and type listed by UL or approved by FM, or other nationally recognized testing laboratory for the specific purpose for which it is used. All materials, devices, and equipment shall be approved by the VA. All materials and equipment shall be free from defect. All materials and equipment shall be new unless specifically indicated otherwise on the contract drawings. |
1.6 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this 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 Systems |
| 25-14 | Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems |
| 101-15 | Life Safety Code |
| 170-15 | Fire Safety Symbols |
| 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 shear bolts are not permitted. |
| 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 Schedule 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 diameter or 1-inch and a maximum length of 6-feet. |
2.2 SPRINKLERS
A. All sprinklers shall be FM approved quick response except “institutional” type sprinklers shall be permitted to be UL Listed quick response. Provide FM approved quick response sprinklers in all areas.
2.3 PIPE hangers, SUpports and Restraint of System PIping
Pipe hangers, supports, and restraint of system piping shall be in accordance with NFPA 13.
2.4 WALL, FLOOR AND CEILING PLATES
Provide chrome plated steel escutcheon plates.
PART 3 - EXECUTION
3.1 INSTALLATION
| A. | Installation shall be accomplished by the licensed contractor. Provide a qualified technician, experienced in the installation 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 measurements established by the installer and work into place without springing or forcing. In any situation where bending of the pipe is required, use a standard pipe-bending template. Concealed piping in spaces that have finished ceilings. Where ceiling mounted equipment exists, such as in operating and radiology rooms, install sprinklers so as not to obstruct the movement or operation of the equipment. Sidewall heads may need to be utilized. In stairways, locate piping as near to the ceiling as possible to prevent tampering by unauthorized personnel and to provide a minimum headroom clearance of 2250 mm (seven feet six inches). Piping shall not obstruct the minimum means of egress clearances required by NFPA 101. Pipe hangers, supports, and restraint of system piping, shall be installed accordance with NFPA 13. |
| C. | Provide escutcheon plates for exposed piping passing through walls, floors or ceilings. |
| D. | Firestopping shall be provided for all penetrations of fire resistance rated construction. Firestopping shall comply with Section 07 84 00, FIRESTOPPING. |
| E. | Repairs: Repair damage to the building or equipment resulting from the installation of the sprinkler system by the installer at no additional expense to the Government. |
| F. | Interruption of Service: There shall be no interruption of the existing sprinkler protection, water, electric, or fire alarm services without prior permission of the Contracting Officer. Contractor shall develop an interim fire protection program where interruptions involve occupied spaces. Request in writing at least one week prior to the planned interruption. |
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