Attachment 4 - Questions and Answers.pdf
PDF 175 KB Posted
- Attached to
- 99 CES Exhaust Systems Cleaning
- Solicitation number
- F3G3CE3180AW01
About this file
This document contains questions and answers related to solicitation number F3G3CE3180AW01 for exhaust systems cleaning services at Nellis Air Force Base. The services include monthly, quarterly, and semiannual cleaning of kitchen exhaust systems across various facilities such as the child care center and officer's club per NFPA 96 inspection frequency guidelines. Technicians are required to have at minimum a CECT or equivalent certification approved by the Nevada State Fire Marshal. Incumbent contract information can be found at FPDS using the provided contract number. Inspections after cleaning involve measuring grease depth with a gauge comb and ensuring surfaces are cleaned to a standard of 0.002 inches or less of residue.
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Other files
| File | Type | Posted |
|---|---|---|
| Combined Synopsis Solicitation.pdf | ||
| Attachment 1 - Bid Schedule.xlsx | XLSX spreadsheet | |
| Attachment 2 - PWS 99 CES Exhaust Systems Cleaning.pdf | ||
| Attachment 3 - Base Pass Request Form.xlsx | XLSX spreadsheet |
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Text version
99 CES Exhaust Systems Cleaning
Questions & Answers
1) What is being cleaned in Bldg. 2966, Child Care Center, semi-annually?
Grill
2) If the contractor has certifications higher than the CECT but not the CECT certification, is that ok or do they have to have CECT certification no matter what?
Cleaning technicians should have, at a minimum, the CECT certification or an equivalent certification approved by the Nevada State Fire Marshall.
3) What is the name of the current incumbent, contract number, and the contract value?
Please search contract FA486119PA001 at https://www.fpds.gov/fpdsng_cms/index.php/en/ for requested information.
4) How many hoods will we have access to clean in one night?
This will be based on the availability of each facility. Typically, the current contractor can complete all monthly cleanings within 2-3 nights.
5) Can you provide a list of the number and style of kitchen exhaust fans per building?
The only kind of “list” we maintain is based off the bid schedule.
6) Can you detail how the roof of each facility is accessed?
The ladders located within the mech rooms.
7) If there will be no further site visits, how can prospective bidders ensure these systems are accessible for proper cleaning?
All facilities have access points for proper cleaning.
8) How was the frequency of each cleaning determined?
Per the Base Fire Marshal: Frequency is IAW NFPA 96, 2021—Section 12.4
Systems serving solid fuel cooking operations: Monthly Systems serving high-volume cooking operations: Quarterly Systems serving moderate-volume cooking operations: Semiannually Systems serving low-volume cooking operations: Annually *High-volume cooking operations include 24-hour cooking, charbroiling, & wok cooking *Low-volume cooking operations include churches, day camps, seasonal businesses, & senior centers.
https://www.fpds.gov/fpdsng_cms/index.php/en/
9) In building 294, both item 000101 / AA and 000102 / AA are connected to a single upblast fan.
NFPA 96 12.6.1 states that, “If, upon inspection, the exhaust system is found to be contaminated with deposits from grease-laden vapors, the contaminated portions shall be cleaned…” If 000102 / AA is found contaminated each month, will it be required to be cleaned or only when the quarterly service becomes due?
Per the base Fire Marshal, it will only be required to be cleaned during the quarterly service unless abnormal buildup is observed and then it will require cleaning out of the normal cycle.
10) If other exhaust hoods listed on this bid schedule are found to be interconnected on the same exhaust system, what is the procedure to modify the cleaning schedule?
That decision will be made by the base Fire Marshal.
11) During the site inspection, it was apparent that parts of the exhaust system at the Officer Club has not been cleaned to the standards in Attachment 2. Section 1.2 of Attachment 2 references a Fire Inspector will perform an inspection post service. What does that inspection entail?
Per the base Fire Marshal: IAW NFPA 96, 2021-Section 12.6.1.1 - 12.6.2, along with pictures taken from cleaning company.
12.6.1.1 - A measurement system of deposition shall be established to trigger a need to clean when the exhaust system is inspected at the frequencies in Table 12.4.
12.6.2 - Hoods, grease removal devices, fans, ducts, and other appurtenances shall be cleaned to remove combustible contaminants prior to surfaces becoming heavily contaminated with grease or oily sludge.
NFPA 96, 2021 Edition
12.4* Inspection for Grease Buildup.
The entire exhaust system shall be inspected for grease buildup by a properly trained, qualified, and certified person(s) acceptable to the authority having jurisdiction and in accordance with Table 12.4.
Table 12.4 Schedule of Inspection for Grease Buildup Type or Volume of Cooking Inspection Frequency
Systems serving solid fuel cooking operations Monthly *Systems serving high-volume cooking operations Quarterly Systems serving moderate-volume cooking operations Semiannually †Systems serving low-volume cooking operations Annually *High-volume cooking operations include 24-hour cooking, charbroiling, and wok cooking.
†Low-volume cooking operations include churches, day camps, seasonal businesses, and senior centers.
12.6.1.1 https://link.nfpa.org/publications/96/2021/chapters/12#ID000960000604 https://link.nfpa.org/publications/96/2021/annexes/A/groups/12#ID000960000929 https://link.nfpa.org/publications/96/2021/chapters/12#ID000960000605
A measurement system of deposition shall be established to trigger a need to clean when the exhaust system is inspected at the frequencies in Table 12.4.
12.6.1.1.1 Hoods, grease removal devices, fans, ducts, and other appurtenances shall be cleaned to remove combustible contaminants to a minimum of 0.002 in. (50 μm).
12.6.1.1.2 A grease depth gauge comb as shown in Figure 12.6.1.1.2 shall be placed upon the surface to measure grease depth.
Figure 12.6.1.1.2 Depth Gauge Comb.
12.6.1.1.3 Where a measured depth of 0.078 in. (2000 μm) is observed, the surfaces shall be cleaned in accordance with 12.6.1.
12.6.1.1.4 Where a measured depth of 0.125 in. (3175 μm) is observed in a fan housing, the surfaces shall be cleaned in accordance with 12.6.1.
12.6.2 Hoods, grease removal devices, fans, ducts, and other appurtenances shall be cleaned to remove combustible contaminants prior to surfaces becoming heavily contaminated with grease or oily sludge.
12) The International Kitchen Exhaust Cleaning Association issues certifications independently of the Nevada State Fire Marshal. Which certifications are required?
Per the base Fire Marshal: We will accept IKECA, or an equivalent certification approved by the Nevada State Fire Marshall.
13) Should the prime contractor or subcontractor provide the active Certified Exhaust Cleaning Technician (CECT) certification?
Cleaning technicians should have, at a minimum, the CECT certification or an equivalent certification approved by the Nevada State Fire Marshall.
https://link.nfpa.org/publications/96/2021/chapters/12#ID000960000604 https://link.nfpa.org/publications/96/2021/chapters/12#ID000960000932 https://link.nfpa.org/publications/96/2021/chapters/12#ID000960000608 https://link.nfpa.org/publications/96/2021/chapters/12#ID000960000608
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