SOW 24FEB25- 150-Pound Wheeled Fire Extinguisher Maintenance.pdf

CUI//FEDCON

Statement of Work (SOW) February 14, 2025

150-Pound Wheeled Fire Extinguisher Maintenance

GENERAL

1. SUMMARY

a. This document includes a general description, functional requirements, and requirements for thirty (30) 150-pound wheeled Fire Extinguishers to be serviced located at Butts Army Heliport, 3410 Airfield Road, Building 9662, Fort Carson, CO 80913. The main objective of the Statement of Work is to establish requirements of work to be performed.

b. Inspections will be conducted in accordance with the manufacturers listed installation, maintenance manuals, and National Fire Protection Association (NFPA) standards 10-17A- 96.

2. PERIOD OF PERFORMANCE: 60 Days After Date of Contract

3. PLACE OF PERFORMANCE: Butts Army Heliport, 3410 Airfield Road, Building 9662, Fort Carson, CO

80913

4. HOURS OF OPERATION: 7:30AM -4:00PM MST

5. REQUIREMENTS

a. Dispatch / Service Charge (per pickup /delivery)

b. 150# Dry Chemical Recharge

c. Wheeled Unit Hydrostatic Test

d. Wheeled Unit Hose Hydrostatic Test

e. Nitrogen Cylinder Hydrostatic test (If needed)

f. Nitrogen Cylinder Recharge (If needed)

g. Parts to Rebuild Wheeled Unit/Hose

h. Provide full assessment report to the US Army, Butts Army Heliport, Fort Carson CO.

i. Able to pass background check for access to Fort Carson.

j. Contractor must be able to pick up and drop off each Fire Extinguisher at the place of performance in paragraph 3 above and within the hours of operation in paragraph 4.

i. MAINTENANCE

ii. [NFPA-10] At least once a year or more frequently if circumstances require, maintenance should be performed. Maintenance is a "thorough check" of the extinguisher. It is intended to give maximum assurance that a fire extinguisher will operate effectively and safely. It includes a thorough examination for physical damage or condition to prevent its operation and any necessary repair or replacement. It will normally reveal if hydrostatic testing or internal maintenance is required.

iii. MAINTENANCE – SERVICE PROCEDURE

iv. NOTE: THIS PROCEDURE WILL BE BEST ACCOMPLISHED WITH THE EXTINGUISHER

IN AN UPRIGHT POSITION AND ON A LEVEL SURFACE.

v. 1. Clean extinguisher to remove dirt, grease or foreign material. Check to make sure that the instruction nameplate is securely fastened and legible. Inspect the cylinders for corrosion, abrasion, dents or weld damage. If any damage is found, hydrostatically test to factory test pressure 500 psi (3448 kPa), using the proof pressure method, in accordance with instructions in C-6 and NFPA 10. See proper method of depressurizing and reclaiming chemical in Recharge procedures.

vi. NOTE: WHEN CLEANING, AVOID USE OF SOLVENTS AROUND THE PRESSURE

GAUGE. THEY COULD SERIOUSLY DAMAGE THE PLASTIC GAUGE FACE.

vii. 2. Inspect the extinguisher for damaged, missing or substitute parts. Only factory replacement parts are approved for use on Amerex fire extinguishers.

viii. 3. Weigh the extinguisher and compare with weight printed in the "Maintenance" section on the nameplate (label). Recharge extinguisher if weight is not within indicated allowable tolerances.

ix. 4. Check the date of manufacture printed on the extinguisher label (nameplate) or on the agent cylinder dome. The agent cylinder must be hydrostatically tested in accordance with DOT requirements to the test pressure indicated on the nameplate 500 psi (3448 kPa).

x. 5. Visually inspect the pressure gauge:

xi. a. If bent, damaged or improper gauge, depressurize and replace.

xii. b. If pressure is low, check for leaks.

xiii. 6. Check ring pin for freedom of movement. Replace if bent, or if removal appears difficult.

xiv. 7. Visually inspect, without removing, the agent fill plug for damage or distortion.

Replace as necessary only after proper depressurization procedures have been performed (see complete Maintenance – Six Year Teardown instructions).

xv. 8. WARNING: ALWAYS OPEN THE SHUTOFF NOZZLE HANDLE SLOWLY. ANY

EVIDENCE OF AGENT IN THE NOZZLE INDICATES THAT THE UNIT MAY HAVE BEEN

USED AND THE USE NOT REPORTED. BE PREPARED FOR A POSSIBLE DISCHARGE

AND NOZZLE RECOIL.

xvi. Check the nozzle shutoff lever for freedom of movement (open and close several times). If the operation is impeded, disassemble the nozzle, replace parts and/or properly lubricate as necessary. Make sure that the nozzle tip is clear and unobstructed.

xvii. 9. After making sure that there is no residual pressure in the discharge hose, disconnect it from the operating valve. Blow air through the hose and nozzle assemblies to insure that the passage is clear of foreign material. Check the couplings, hose and hose gasket for damage or deterioration – replace as necessary.

xviii. 10. Inspect the valve assembly for corrosion or damage to hose thread connection.

Replace valve assembly or component parts as necessary following the proper depressurization and recharge procedures. If valve removal is necessary, complete all steps in the Complete Maintenance Procedure.

xix. 11. Reconnect the hose to the agent cylinder. Properly coil the hose on the rack and install the nozzle (with the lever in a closed position) on the mount.

xx. NOTE: WHEN ASSEMBLING THE HOSE TO THE AGENT CYLINDER OR NOZZLE TO THE

HOSE, TIGHTEN THE COUPLING ¼ TURN AFTER CONTACTING THE HOSE GASKET.

xxi. 12. Inspect the wheels on Models 488, 489 or 490 to insure they rotate freely.

Lubricate as required. On stationary models, check mountings to insure that they are securely fastened.

xxii. 13. Check carriage assembly for loose nuts, bolts, frame distortion or damage. Check welds for damage or corrosion. Replace damaged parts or make repairs as necessary.

xxiii. 14. Install new lockwire (tamper) seal and record service data on the extinguisher inspection tag.

xxiv. 15. If the extinguisher has been moved to perform service, make sure that it is returned to its proper location.

xxv. COMPLETE MAINTENANCE – SIX YEAR TEARDOWN

xxvi. [NFPA-10] Every six years, stored pressure extinguishers that require a 12 year hydrostatic test shall be emptied and subjected to the applicable maintenance procedures. When the applicable maintenance procedures are performed during periodic recharging or hydrostatic testing, the six year requirement shall begin from that date.

xxvii. NOTE: Some states have legislation which requires "Complete Maintenance" on an annual basis. Please contact your local Amerex Distributor to see if these requirements apply to you. NFPA 10 recommendation requires that a "verification of service" external collar tag be installed on the extinguisher whenever a Six Year Maintenance is performed. The "verification of service" tag can only be installed if the operating valve has been removed.

xxviii. 1. Discharge chemical and pressure into a "closed" dry chemical recovery system (several are commercially available). Make sure that the extinguisher is completely empty and depressurized.

xxix. CAUTION: These extinguishers operate at 240 psi. Some recovery systems may require that the pressure be reduced to safely discharge the chemical and pressure into the system. Use the pressure bleeder valve on the extinguisher valve to reduce the pressure to a point registering just below the green operable area on the pressure gauge. Discharge extinguisher into recovery system. Repressurize the extinguisher (to no more than 200 psi) to exhaust any chemical remaining in the extinguisher.

xxx. NOTE: A "closed recovery system is designed to prevent loss of the chemical "fines" Loss of the "fines" could result in reduced extinguisher efficiency.

xxxi. 2. Clean extinguisher to remove dirt, grease or foreign material. Check to make sure that the instruction nameplate is securely fastened and legible. Inspect the cylinder for corrosion, abrasion, dents or weld damage. If any of these conditions are found and you doubt the integrity of the cylinder, hydrostatically test to factory test pressure marked on the nameplate (label) in accordance with CGA C-1 and NFPA 10 and DOT regulations.

xxxii. NOTE: When cleaning, avoid use of solvents around the pressure gauge. They could seriously damage the plastic gauge face.

xxxiii. 3. Inspect the extinguisher for damaged, missing or substitute parts. Only factory replacement parts are approved for use on Amerex fire extinguishers.

xxxiv. 4. Check the date of manufacture on the extinguisher dome. Cylinder must be hydrostatically (proof pressure) tested every 12 years (first time), every 7 years thereafter, to the test pressure indicated on the nameplate (500 psi [3448 kPa]).

Cylinder may be hydrostatically tested every 12 years using the water jacket method.

xxxv. 5. Visually inspect the pressure gauge – if bent, damaged or improper gauge replace with the proper Amerex pressure gauge (see Parts List).

xxxvi. 6. Check ring pin for freedom of movement. Replace if bent or if removal appears difficult.

xxxvii. 7. Verify that no pressure remains in the extinguisher. (Operating valve and nozzle shutoff in open position and there is no discharge). Remove and inspect the agent fill cap for damage or distortion.

xxxviii.

xxxix. 8. Check the nozzle shutoff lever for freedom of movement (open and close several times). If the operation is impeded, disassemble the nozzle, replace parts and/or properly lubricate as necessary. Make sure that the nozzle tip is clear and unobstructed.

xl. 9. Disconnect the discharge hose from the operating valve. Blow air through the hose and nozzle assemblies to insure that the passage is clear of foreign material.

Check the couplings, hose and hose gasket for damage or deterioration – replace as necessary. The discharge hose should be hydrostatically tested to 300 psi (2068 kPa) every twelve years.

xli. 10. Inspect the wheels to insure they rotate freely. Lubricate as required.

xlii. 11. Check carriage assembly for loose nuts, bolts, frame distortion or damage. Check welds for damage or corrosion. Replace damaged parts or make repairs as necessary.

xliii. 12. WARNING: Valve removal and/or valve part replacement should be made only after completing the depressurizing procedures listed in Step 1 of the Complete Maintenance section.

xliv. Remove operating valve assembly. Inspect for corrosion or damage to hose thread connection.

xlv. 13. Complete steps 2 through 15 of Recharge Procedure.

xlvi. RECHARGE xlvii. WARNING:

xlviii. a. Before attempting to disassemble, be sure the extinguisher is completely depressurized.

xlix. b. Never have any part of your body over the extinguisher while removing the valve assembly.

l. c. Use a protective shield between you and the pressure gauge while charging an extinguisher. Do not stand in front of the gauge if a shield is not available.

li. d. Use a regulated pressurizing source of dry nitrogen only with a minimum dew point of minus 70ºF (minus 57ºC). Set the regulator to no more than 265 psi (1827 kPa).

lii. e. Check and calibrate regulator gauge at frequent intervals. The regulator gauge should be used to determine when the intended charging pressure has been reached. Do not use the extinguisher gauge for this purpose.

liii. f. Never leave an extinguisher connected to a regulator of a high pressure source for an extended period of time. A defective regulator could cause the cylinder to rupture due to excessive pressure.

liv. g. Do not mix types of dry chemicals in extinguishers, recharge or recovery systems. Mixing ABC (acidic base) with Regular, Purple-K, Super-K or Monnex (alkaline base) dry chemicals may result in a chemical reaction capable of developing a dangerous pressure buildup.

lv. RECHARGING PROCEDURE lvi. 1. Perform steps 1 through 12 of the "Complete Maintenance (Six Year Teardown)" section.

lvii. 2. Thoroughly clean all parts of the disassembled valve with a soft bristle brush or soft cloth. Blow the valve out with air or nitrogen. Inspect spring and downtube assembly, and replace parts if worn or damaged. Install a new valve stem and collar o-ring after lightly lubricating with Visilox V-711 (do not lubricate the valve stem seal).

lviii. 8 lix. 3. Reassemble the valve assembly, including downtube and set aside.

lx. 4. Remove any chemical remaining in the cylinder and check the condition. Properly dispose of any chemical that is contaminated or caked.

lxi. 5. Inspect the cylinder interior following CGA Visual Inspection Standard C-6.

lxii. 6. Using an accurate scale, fill cylinder with the correct amount and type of dry chemical specified on the label (nameplate). Use Amerex chemical which has been kept free of moisture and contamination. See Warning (g) – DO NOT MIX TYPES OF

CHEMICALS.

lxiii. 7. Clean cylinder collar o-ring seat and collar threads with a small brush and then wipe off surfaces with a clean cloth to remove dust. Lightly brush the collar o-ring seat with Visilox V-711.

lxiv. 8. Install "verification of service" external collar tag. Install discharge valve assembly and attach pressurizing adapter (P/N 06160) to discharge port.

lxv. 9. With the extinguisher properly secured in an upright position, connect your nitrogen pressurizing line with a quick connect to the nitrogen charging adapter.

Rotate the extinguisher operating valve lever to the open position and pressurize extinguisher with dry nitrogen to 240 psi. When the desired pressure has been reached, rotate the operating lever to the closed position. Shut off nitrogen supply and remove the quick connect.

lxvi. CAUTION: Pressurizing the extinguisher in this manner will allow for proper aeration of the chemical through the downtube. Do not use the "bleeder" valve to pressurize the extinguisher.

lxvii. 10. Check extinguisher for leaks by applying detecting fluid or a solution of soapy water to the nitrogen charging adapter orifice, around the collar o-ring sealing area, cylinder welds and gauge. Remove the pressurizing adapter.

lxviii. 11. Reconnect the hose to the operating valve. Properly coil the hose on the rack and install the nozzle (with the lever in a closed position) on the mount.

lxix. NOTE: When assembling the hose to the agent cylinder or nozzle to the hose, tighten the coupling ¼ turn after contacting the hose gasket.

lxx. 12. Install ring (safety) pin and lockwire (tamper) seal. Record recharge date and attach new recharge tag.

lxxi. 13. Weigh assembled extinguisher and confirm that the total weight is within the allowable tolerances indicated in the Maintenance section of the nameplate (label).

lxxii. 14. Return extinguisher to its proper location. Mountings for stationary extinguishers should be properly secured.

6. GENERAL CONDITIONS

a. Access to Fort Carson requires security check and search of vehicle.

b. The contractor shall perform work in a manner that will minimize disruptions to normal fort

Carson Army Heliport operations.

c. Any interruptions of service will be coordinated through Butts Army Heliport.

7. Anti-Terrorism/Operational Security requirements.

a. All contractor employees, including subcontractor employees, requiring access to Army installations, facilities, and controlled access areas shall complete AT Level I awareness training within 30 calendar days after contract start date or effective date of incorporation of this requirement into the contract, whichever is applicable. The contractor shall submit certificates of completion for each affected contractor employee and subcontractor employee to the COR or to the contracting officer, if a COR is not assigned, within 30 calendar days after completion of training by all employees and subcontractor personnel. AT Level I awareness training is available at the following website: http://jko.jten.mil.

b. Contractor and all associated subcontractor employees shall provide all information required for background checks to meet installation access requirements to be accomplished by the installation Provost Marshal Office, Director of Emergency Services, or Security Office. Contractor workforce must comply with all personal identity verification requirements (CFR clause 52.204-9, Personal Identity Verification of Contract Personnel) as directed by DoD, HQDA and/or local policy. In addition to the changes otherwise authorized by the changes clause of this contract, should the Force Protection Condition (FPCON) at any individual facility or installation change, the Government may require changes in contractor security matters or processes.

c. Contractor and all associated subcontractor employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (Army Directive 2014-05/ AR 190-13); applicable installation, facility and area commander installation and facility access and local security policies and procedures (provided by Government representative); or, at OCONUS locations, in accordance with status-of-forces agreements and other theater regulations.

d. The contractor and all associated subcontractors shall brief all employees on the local iWATCH Army program (training standards provided by the requiring activity ATO). This locally developed training will be used to inform employees of the types of behavior to watch for and instruct employees to report suspicious activity to the COR. This training shall be completed within 30 calendar days of contract award and within YY calendar days of new employees commencing performance, with the results reported to the COR NLT 30 calendar days after contract award.

http://jko.jten.mil/

e. For contracts that require OPSEC Training. Per AR 530-1, Operations Security, the contractor employees must complete Level I OPSEC Awareness training. New employees must be trained within 30 calendar days of their reporting for duty and annually thereafter.

8. QUALIFICATION

a. Shall be well adverse with Army Regulation 420-1

b. Shall be well adverse with NFPA codes and UFC 3–600–02

c. Shall be well adverse with the F&ES ARFF equipment and response time requirements

d. Shall be well adverse with the OWNERS SERVICE MANUAL NO. 05608 INSTALLATION, OPERATING & SERVICING INSTRUCTIONS

e. Shall be well adverse with specify the service interval IAW National Fire Protection

Association (NFPA) standards 10-17A-96

f. Worked with DoD previously.

9. FUNCTIONAL POC

Terri Lamblin

Butts Army Heliport

Supply Specialist

719-526-2224

Terri.lamblin.civ@army.mil