Repair Exhaust Systems, Bowling Center HomeRepair Exhaust Systems, Bowling Center

Repair Exhaust Systems, Bowling Center

Federal Construction Group, Inc. is tasked to provide a completely new kitchen exhaust hood, with automatic wet chemical agent fire suppression system, to replace the existing kitchen exhaust system at Bldg. 01092, Bowling Center.

GENERAL REQUIREMENTS:
A. Mechanical equipment, materials, workmanship, installation shall meet requirements specified by latest editions of International Mechanical Code (IMC), Fire Protection Association documents, ASHRAE 154 and manufacturer’s instructions.
B. All materials shall be on site prior to the start of construction. Coordinate all work to minimize disruption to the customer and downtime of kitchen.
C. Provide all materials, hardware and labor required to have a complete and useable kitchen exhaust and fire suppression systems.
D. Provide access and clearance for maintenance of equipment and components as required by NFPA 96, manufacture’s requirements and IMC.
E. Provide dielectric unions, as required, between pipe connections or equipment.
F. Perform leakage testing of grease ducting system to determine all welded joints and seams are liquid tight in accordance with latest edition of NFPA 96.
G. Electrical shall comply with NFPA 70.H. Mounting hardware shall not penetrate grease duct walls.
I. Exhaust air velocity shall be based on 1500 FPM and.
J. New fire extinguishing system(s) shall meet UL 300.
K. Clearance/distance between lower edge of new hood and griddle cooking surface shall comply with the latest edition of ANSI/ASHRAE Standard 154.
L. All work and shop drawings shall be in accordance with NFPA 96, NFPA 17A UFGS 11 44 00, UFGS 21 23 00.00 20 and UFGS 23 28 13.
M. All roof penetrations shall be leak proof and weather tight.
N. Building materials have not been tested for asbestos. Assume that the roofing mastic and floor tiles under the existing grilling equipment has asbestos.
O. Provide shop level drawings for review and approval by NAVFAC SW FPE. Shop drawings shall comply with latest edition of NFPA 96.

SCOPE OF WORK:
1. Replace existing kitchen hood extinguishing system with a complete new canopy Type I wet chemical pre-engineered Commercial Kitchen Grease Exhaust Hood System, without exhaust damper. Provide and installation shall be NICET certified and be a manufacturer’s certified
representative for the type of suppression system installed. System shall include, but not limited to the following:
a. Hood construction, where exposed, shall be 18 gauge 430 stainless steel.
b. Reusable & serviceable type grease filters for medium duty grease applications.

c. Grease filter removable tool.
d. Galvanized roof curb, with attached curb seal for kitchen type applications.
e. Leak proof fan housing.
f. Hinged curb cap kit with cables.
g.NEMA-4 factory installed electrical disconnect switch, thermal overload, junction box mounted and wired.
h. Wiring pig tail, external, nine (9) foot from unit of metallic liquid-tight.
i. Fan bearings shall have grease zerk type fittings.
j. UL 300 Listed pre-engineered, automatic wet chemical agent fire suppression system with fixed nozzle agent distribution network.
k. Fusible link(s).
l. Lighting, switching and fittings per the latest edition of NFPA 70 and NFPA 96.
2. Remove existing hood chase, and repair wall with either stainless steel backsplash or to match existing.
3. Repair ceiling tile, as required for the installation of the new kitchen hood system, to match existing.

4. Provide new floor tile, as required for the installation of the new stainless steel table and kitchen hood system
5. Provide insulated stainless steel backsplash, behind the griddle and deep fryer, on exposed wall behind cooking area.
6. Provide a stainless steel equipment stand/table, with adjustable feet, to match the height of the existing prep table/counter, for the placement of the existing griddle and deep fryer.
7. Provide access for duct fire suppression nozzles and equipment, as required by NFPA 96.
8. Provide remote manual pull station. Pull station shall be located 48” above finish floor within a path of egress and minimum 10’ from new exhaust hood system.
9. Provide audible alarm and visual indicator to indicate that the automated fire suppression system has been activated, per the latest edition of NFPA 96.
10. Provide and install a Class K fire extinguisher, in accordance with the latest edition of NFPA 10 and NFPA 96.

11. New Exhaust Hood System shall meet a flow rate of at least 400 acfm/linear feet of hood area, as describe in the ACGIH Vent Manual. Testing procedure will be provide, upon request, by the China Lake Branch Medical’s Department of Industrial Hygiene.
12. Notify the Contracting Officer in writing when the system is ready for final acceptance testing. Submit request for test at least 15 calendar days prior to the test date. Perform testing in accordance with applicable codes and standards and manufacturer’s recommendations. The final tests will be witnessed by NAVFAC SW FPE and China Lake Branch Medical’s Department of Industrial Hygiene Personnel.

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