Port of St Helens SIA Aircraft Hanger Scappoose, OR AUTOMATIC FIRE SPRINKLER SYSTEM REVISION 2 MARCH 12, 2018 Scope: Furnish and install foam and water fire protection system including underground entrance 5 outside building. A new fire supply line will be installed as part of the civil site work. The stated hydraulic requirements may not be currently available at the site location. A water system improvement project is in progress. This will increase available flow and reduce pressure loss. Reference Lower Columbia Engineering Code Summary Sheet 1. The Building Occupancy is S- 1, Group II Hanger. The following design has conceptual approval from the State Fire Marshall and BCD. The hanger will be protected in accordance with NFPA 13 and 409, with overhead wet sprinklers and low-density foam, floor level nozzle discharge, manually activated, as follows: 1. Overhead Sprinklers: Overhead sprinklers shall be 0.17 gpm/sf over 5,000 sf minimum area in accordance with NFPA 409. 2. Foam System: Shall be horizontal low expansion foam in accordance with NFPA 409. 3. Zones: Foam system zones shall cover the entire hanger area and consist of 2 to 4 zones where the required flow rate of 0.10 gpm/sf will be for coverage of one-half the hanger or approximately 14,000 sf. 4. Actuation: Manual activation is allowed per OSSC 412.4.6 Exception 3. Manual activators will be provided at four building exits and include visual and audible zone reference at each activation station. 5. Flame Detection: Flame detection shall be installed in each zone which will activate an audible and visual alarm at each activation point and report to the local fire alarm station. During bid design, the contractor shall bring to the engineer s attention any information concerning additional hazards or potential acceptable alternatives to these design criteria. Prepared By: Walter L. Cook PE, License #OR 10001 Licensed December 1978 Renews January 2020
PART 1- GENERAL 1.1 SUMMARY SECTION 21 13 13 FIRE PROTECTION SPRINKLER SYSTEMS A. Provide the following for Port of St Helens Aircraft Hanger as described on page 1 and in detail hereinafter. 1. Wet-pipe ceiling sprinkler system with low level low expansion foam. 2. Provide audible and visual annunciator and manual activation for foam system. 3. Connection to private fire service main 5 outside of building, and piping to the inlet connection inside the building. Provide required valves, backflow preventer, vaults, and appurtenances in accordance with the City of Scappoose and Fire District. B. Provide tamper, flow, and pressure switches. Coordinate location and type of tamper, flow, and pressure switches with the fire alarm system. C. Provide all costs for electrical connections and wiring as required for a complete and operable system. D. Refer to Architectural and Civil Drawings for additional information relating to the fire sprinkler system including trench drains. E. Following is a list of abbreviations generally used in Division 15: 1. AHJ Authority Having Jurisdiction 2. AWWA American Water Works Association 3. NFPA National Fire Protection Association 4. FM FM Global 5. OSSC Oregon Structural Specialty Code 6. OIFC Oregon International Fire Code 1 P a g e B i d S e t
7. UL Underwriters Laboratories Inc. 1.2 QUALITY ASSURANCE A. Qualifications: Company specializing in sprinkler systems of similar type and scope with at least 3years experience. B. Construction Drawings and sway brace calculations to be signed by a registered engineer in the State of Oregon. Construction drawings shall be complete and show all information required by NFPA 13. C. Codes: Provide system per the requirements of the following, except as specifically modified herein. Apply edition as enforced by AHJ unless otherwise stated. Comply with state amendments. 1. OSSC as adopted by AHJ. 2. OIFC as adopted by AHJ. 3. NFPA 13, 2013 Edition, Standard for the Installation of Sprinkler Systems. 4. NFPA 24, Latest Edition, Standard for the Installation of Private Fire Service Mains and Their Appurtenances. 5. NFPA 25, Latest Edition, Standard for inspection, Testing and Maintenance of Water-Based Fire Protection Systems. 6. Listed Components: Provide components UL listed and FM Global approved, except modified herein. 7. NFPA 20, Foam Concentrate Pumps 8. NFPA 30, Flammable and combustible liquids code handbook. 9. NFPA 409, Aircraft Hangers and other associated NFPA Standards for hangers. D. Sway brace calculations shall meet minimum requirements of NFPA 13 and OSSC Chapter 16, Section 1621 and ASCE 07. 2 P a g e B i d S e t
1.3 SUBMITTALS A. Submit the following for review. Include in operations and maintenance manual. 1.4 EXTRA STOCK 1. Shop drawings, hydraulic calculations, sway brace calculations, and component manufacturer s data sheets (as one complete standalone package) to AHJ, Owner s Insurance underwriter, and Engineer. Provide proof of approval by AHJ of installed sprinkler system to Engineer on completion of work. Coordinate sprinkler system design with all other building systems. 2. Project Record Documents indicating record conditions (three prints and one digital). 3. Test Reports: Underground and above ground piping hydrostatic test, water supply flow test; Code-required acceptance tests; and manufacturer s operation and maintenance data. Include written maintenance data on components of system, servicing requirements, and Record Drawings. 4. Operations and Maintenance Manual: Provide three sets of O&M manuals that Include Record Drawings, hydraulic calculations, sway brace calculations, manufacturer s data sheets and operation and maintenance instructions, servicing requirements, test reports and certificates, and current copy of NFPA 25. A. Provide extra sprinklers as required by NFPA 13. Provide suitable wrenches for each sprinkler type and a metal storage cabinet in location designated. 1.5 SYSTEM DESCRIPTION A. Design Parameters: 1. Building Area: Aircraft Hanger. i. Occupancy Classification S-1 Group II Hanger: Overall building area shall be protected in accordance with NFPA 409 7.2, with ceiling level sprinklers with upright heads at 0.17 gpm per sf/ 5,000 sf density. Use K 5.6 or K 8.0 upright sprinkler heads. Foam shall be in accordance with NFPA 409 7.4 with a minimum application rate of 0.1 gpm/sf over each zone. 3 P a g e B i d S e t
ii. Extend sprinklers into restrooms using Lt Hazard Group protection with pendant heads for drop ceiling. iii. Notify engineer of any new information concerning storage of hazardous commodities including flammables. iv. Outside Hose Allowance: 250 GPM or as required in OIFC and NFPA 409. v. All applicable NFPA 409 Chapter 7 requirements and other applicable sections. vi. Provide Class I Division 1 trench drains to convey up to 2,500 gpm. Provide trench drain layout to capture runoff from each zona as well as trench drains for all flow generated in the entire hanger area per the standards and requirements of NFPA 409. General contractor to provide the trench drain construction and implementation under his scope of work. A. Sprinkler system design to include a 10 percent safety factor between system demand point and available water supplies. B. Develop cost-effective designs that may include the use of extended coverage sprinklers and design area reductions as allowed by NFPA 13. 1.6 FLOW TEST Contact local fire district to request a hydrant flow test. If not available conduct a standard fire flow test and report the following: A. Flow: GPM. B. Static Pressure: psig C. Residual Pressure: psig D. Location of Pressure Hydrant: Closest hydrant to building E. Location of Flow Hydrant: F. Date: 4 P a g e B i d S e t
G. Information provided by: H. If required provide labor and material for new water supply test on closest nearby hydrant per NFPA 13. I. Use nominal reduction of test results if required by Fire District 1.7 GUARANTY A. Guaranty all systems against defective equipment, materials and workmanship for a period of 1 year after Owner s acceptance. PART 2- PRODUCTS 2.1 PIPE AND FITTINGS A. General: Provide per AHJ requirements, and as a minimum per below. B. Materials: Per NFPA 13 standards and requirements 2.2 SPECIALTIES 1. Buried Piping: Ductile iron Class 52, AWWA C151 or PVC, AWWA C900. 2. Above Ground Inside Building Piping: i. Pipe Size 2-Inch Diameter and Smaller: ASTM A53, ASTM A135, ASTM F442, or ASTM A795; minimum CRR of 1.00 per UL listing or FM Global approved. UL listed or FM Global approved. Allied BLT/XL (Schedule 5) is not permitted. (Schedule 10 & 40 is permitted.) ii. Pipe Size 2-1/2-Inch Diameter and Larger: ASTM A53, ASTM A135, or ASTM A795; wall thickness greater than Schedule 5 (Schedule 5 not permitted). UL Listed or FM Global approved. (Schedule 10 & 40 is permitted.) iii. Mechanical Couplings: UL Listed and FM Global approved; Victaulic, Gruvlok, or equivalent. A. Fire Department Connection: Free standing type; ductile iron; brass finish; thread size to suit fire department hardware; two-way threaded dust cap and chain of same material and finish, marked Sprinkler Fire Department Connection. Provide method of draining for piping subject to freezing. 5 P a g e B i d S e t
B. Waterflow Detector: Vane-type with SPOT Switches and adjustable time delay (0 to 75 seconds) GEM VSR-F; Viking VSR-F; Potter VSR-F, or equivalent. C. Tamper Switches: Provide to mount on applicable valve (OS&Y gate, butterfly, or PIV), with SPOT switches to match requirements of fire alarm system. D. Backflow Prevention Device (when required): 1. Two check valves in series with OS&Y gate valves at each end. Provide detector if required by local utility. Entire assembly must be UL listed or FM Global approved for fire protection service. Approved by local and state authorities. 2. Utility Vault: Precast concrete underground sized to enclose the backflow prevention device and the fire department connection check valve, with adequate clearance around these items to allow maintenance. Provide a drain sump in the vault bottom, suitable for insertion of a sump pump. Provide sump pump or gravity drain and drain piping to approved discharge locations required by local code officials. Provide all costs for electrical connection and wiring as required for a complete and operable system. Provide all electrical penetrations watertight. Provide all piping penetrations with rubber links, which seal watertight by tightening compression bolts, or equivalent watertight pre-manufactured pipe penetration system. Provide extensions as required for proper depth, and round access manway access with cover, and ladder. Coordinate with Civil and Electrical Drawings. E. Inspector s Test Connection: TESTanDRAIN, AGF Manufacturing Inc. or equivalent. F. Outside Horn and Strobe: Viking or equivalent, location to be determined by AHJ. G. Lock Box: Location to be determined by AHJ. H. Flame Detectors: Viking or equivalent, location to be determined by AHJ. I. Foam Manual Activation: Viking or equivalent, location to be determined by AHJ. J. Foam System Components: Viking or equivalent, location to be determined by AHJ. 2.3 VALVES, GENERAL A. OS&Y Gate: 1. 2-1/2 Inches and Larger: Nibco F-607-0, or equivalent. 2. 2 Inches and Smaller: Nibco T-104, or equivalent. 6 P a g e B i d S e t
B. NRS Gate: Non-rising stem with post indicator. Nibco M/F-609 with NIP1A or equivalent for yard use and Nibco NIP2 or equivalent for wall use. C. Swing Check: Iron body, rubber and bronze faced checks. Nibco F-908-W, or equivalent. D. Water Check: Iron body, rubber seat, spring actuated. Nibco W-900-W, or equivalent. E. Butterfly Valves: Ductile iron body, Nibco WD3510-8 with factory-installed tampers switches or equivalent. Use lug body next to pumps, LD-3510-6 or equivalent. 2.5 SYSTEM ALARM VALVES Per NFPA13 2.6 HOSE STATION A. Provide distribution piping for hose stations if required by the Fire District. Sprinkler system design and hydraulic calculations to indicate point of connection to sprinkler piping. PART 3- EXECUTION 3.1 INSTALLATION A. Coordinate the work of this Section with other trades and building systems. B. General: 1. Provide post indicator on buried shutoff valves. 2. Provide listed backflow assembly at sprinkler system water source connection. Coordinate with local utility; conform to their installation requirements. 3. Fire Department Connection: Locate with sufficient clearance from walls, obstructions, or adjacent Siamese connections to allow full swing of fire department wrench handle. Locate within 40 of a public hydrant or as shown on plans. Coordination location with local fire department. 4. Install pipe runs to minimize obstruction to other work. 5. Install piping in concealed spaces above finished ceiling. Architect and Engineer shall approve any exposed piping in tenant improvements. 6. Center sprinklers in the middle or quarter points of suspended ceiling tile. 7. Apply strippable tape or paper cover to ensure sprinklers do not receive field paint finish. Remove upon completion of painting. 7 P a g e B i d S e t
3.2 SYSTEM TESTS 8. Provide seismic restraints per NFPA 13 and applicable building codes. 9. Coordinate support of sprinkler pipe 4 inches and larger with structural engineer. 10. Provide clearances around piping per NFPA 13, Par. 4-14.4.3.4.1. 11. Sprinkler system control valves to be wall post indicator valves. 12. Route water supply flow test connections to a location which can accept the flow under wide-open flow and pressure for a sufficient time to assure a proper test, and which will not cause damage, including to landscaping. 13. Provide access panels for all, manual foam activation, test valves, test drains and low point drains concealed by structure or finish. 14. Provide zone demarcation as approved by the AHJ using color-coded zone identification including marking concrete floor surfaces. 15. Provide submittal for foam system including identification of all components and installation methods. 16. Provide system O&M manuals, ongoing maintenance schedules and system training. A. Test entire system per code and AHJ. Provide, arrange and pay for all testing required by code or AHJ to obtain complete and final acceptance. Tests to be witnessed by AHJ and Engineer. Notify AHJ and Engineer 2 weeks prior to test. 3.3 FIELD SERVICES A. Instruct the Owner in the operation of the sprinkler system, including main valve position (open or closed) recognition, system drainage, system testing and the relation to the fire alarm system. END OF SECTION 8 P a g e B i d S e t