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Foam Testing Contract, Qatar

Enquiry:

Duration of Contract – Five Calendar years

Tentative Start Date of Contract- 01.03.2022

We will provide Sample at your Lab, specify quantity of the sample required for test.

Test to be carried out on Foam Concentrate as below requirements:-

a. Visual Appearance

A visual inspection provides the first indication of whether the foam is synthetic (clear amber liquid) or protein-based (dark brown liquid). Visual observation shall be indicated in the report.

b. Specific Gravity (SG)

The SG of a foam concentrate is calculated as its density divided by the density of water. It is a useful test for identifying the category of foam and is measured using a hydrometer or density bottle. The result depends on the temperature of the foam concentrate and so the test is to be carried out at 20°C. SG does not have a unit. Typical values for synthetic detergent- based foams are 0.99 to 1.05 and protein-based foams 1.08 to 1.18. Significant variation from these values indicates that evaporation or accidental dilution may have occurred. Test results shall be indicated in the report.

c. pH

The pH is a measure of the acidity or alkalinity of a foam concentrate on a scale of 1 to 14. Neutral is 7. Acidic is less than 7. Alkaline is greater than 7. The pH of a foam concentrate to be measured at 20°C with a pH meter. Foam concentrates should be as neutral as possible to prevent corrosion of foam tanks, pH values to be highlighted in the foam test report.4

d. Sediment

Sediment (also called sludge or undissolved solids) comprises microscopic particles of solid material in a foam concentrate. It is present in all foams at low levels and does not normally cause a problem. However, high levels may be reached if the foam is contaminated or subjected to extreme temperatures. Severe sediment may affect the flow of the foam concentrate in a proportioning system or reduce its fire fighting efficiency.

The foam sample to be put into a graduated tube and separated by centrifuge until any sediment is packed firmly into the bottom of the tube. The volume of the sediment is measured as a percentage of the foam concentrate in the tube. Sediment should not exceed 1.0%. The percentage of sediment shall be indicated in the report.

e. Surface tension

Surface tension measured with a torsion balance provides an indication of foam category. Typical values for Protein are 40 to 45; FluoroProtein 20 to 40; FFFP (Film Forming Fluoro Protein) and AFFF (Aqueous Film Forming Foams) less than 20. Units are milli Newtons per meter (mNm-1) at a given temperature. Test results to be indicated in the report.

f. Foam Properties

The properties of aerated foam made from the foam concentrate are tested because it is aerated foam that is applied to a fire. Good expansion and drainage rates are essential for producing an effective fire fighting foam blanket. The properties of any foam vary depending on the foam equipment used and the operating conditions. Thus, the foam shall be tested in accordance with US Military Specification Test for AFFF’s or the UK Ministry of Defense Standard 42-40.

Foam expansion refers to the increase in volume of a foam solution when it is aerated. The “expansion ratio” of the foam is the ratio of aspirated foam volume to the original foam solution volume. For example, the weight of an aspirated foam sample in a full 1600 ml drainage pan is 180 grams. Since 1 gram of foam solution occupies a volume of essentially 1 ml, the total volume of foam solution contained in the given sample is 180 ml. The expansion ratio is therefore calculated as 1600 divided by 180 to give a result of 8.9. To pass, a sample must exhibit a value greater than 7.0. Test results shall be indicated in the report.

The drainage rate test to be performed on the same sample as used to measure the expansion ratio. Dividing the weight of the foam sample by 4 gives the 25% volume, in ml, of solution contained in the foam. The time required in minutes for this volume of foam solution to drain from the aerated foam is called the “25% drainage time”. It provides an important indication of the stability of the foam, and is also a reliable indicator of foam category. FluoroProteins that achieve a Superior Pass must demonstrate extra long drainage rates. Test results shall be indicated in the report.

g. Alcohol Burn back Test

This test identifies alcohol resistant foams that are suitable for use on fires involving polar solvents as well as hydrocarbons. A small sample of aerated foam is applied to an isopropyl alcohol fire and simultaneously subjected to a heat source. If the time taken for the foam blanket to collapse is greater than 45 seconds then the foam is classified as Alcohol Resistant. Test results shall be indicated in the report.

h. Petrol Tolerance Fire Test

This test differentiates between Protein and Fluoro Protein foams. The foam solution is mechanically mixed with unleaded petrol to simulate forceful foam application such as base injection. The contaminated foam blanket is ignited and the time taken for extinguishment is recorded. Protein foam fails to extinguish the fire. A Fluoro Protein extinguishes the fire in less than 2 minutes 40 seconds. Fluoro Proteins that achieve a Superior Pass must extinguish the fire in less than 2 minutes. Test results shall be indicated in the report.

i. Spreading Coefficient

If the foam is film-forming, then its spreading coefficient measured against cyclohexane will be greater than zero. This value is calculated from measurements of surface and interfacial tensions of the foam solution and a known reference of cyclohexane. Test results shall be indicated in the report.

j. Interpreting the Results

The test results to be reported as found and an interpretation shall given as follows:

1. FAIL: One or more critical properties were not acceptable. Immediate replacement is recommended.

2. PASS WITH CAUTION: One or more properties only just meet minimum acceptable standards for the foam category. Replacement should be considered. A re-test is recommended after six months.

3. PASS: The sample has passed all the tests for the foam category.

4. SUPERIOR PASS: Applies to Fluoro Proteins only. The sample has demonstrated enhanced stability and fuel tolerance properties.

k. How to Get The Foam Test

One or two liter sample (depending on the laboratory requirements) of foam concentrate in a new clean polythene container, the sample bottles are to be supplied by CONTRACTOR to QatarEnergy Fire & Rescue Services in RLIC. RLIC Fire & Rescue will arrange for the samples to be collected and the filled bottles will be made available for the CONTRACTOR to collect from RLIC for testing. This includes the samples for Halul. Samples of foam concentrate should be representative of the parent stock.

A foam drum should be rolled or agitated to produce a homogeneous mix before drawing a sample from the top. For bulk foam storage tanks, circulate the contents to produce a homogeneous mix before taking a sample. Alternatively, draw samples from the top, middle and base. Use a hollow tube to take a sample from the middle. For the base sample use a side-exiting outlet pipe or alternatively run-off about 25 liters of foam first to remove any accumulated sediment. This run-off may be returned to the top of the tank. Several samples may be mixed equally to produce a single composite sample.

Samples should be clearly labeled with origin, contact numbers etc. foam type, unique sample identification number and recommended induction rate. All samples should be packed securely with a completed Foam Testing Service Form and sent to the agent. The agent will forward the samples, by air courier if necessary, to the appointed testing laboratory. Results shall be sent directly to — Representative by Fax and e-mail.

ItemDescriptionQtyUnitUnit Rate (QR)Amount (QR) 
1Testing and providing test results on foam concentrate samples in accordance with Clause2. of Appendix A – Scope of ServicesSamples   
       

One of our highly competent laboratory would be taking over this project.

Frozen Shrimp Testing in Qatar

Enquiry:

Please send us your quotation for the testing of our Frozen Shrimp in Qatar.

Below are the complete product description and test parameters for your reference, please do advise the collection charges as per the given collection address.

Description:

                Item No. 1 – Farm Raised IQF Frozen White Shrimp HLSO Ez Peel 16-20/lb

                Item No. 2 – Farm Raised IQF Frozen White Shrimp HLSO Ez Peel 21-25/lb

                Item No. 3 – Farm Raised IQF Frozen White Shrimp HLSO Ez Peel 31-35/lb

                Item No. 4 – Farm Raised IQF Frozen White Shrimp PD Tail On 21-25/lb

                Item No. 5 – Farm Raised IQF Frozen White Shrimp PD Tail Off 41-50/lb

Test Parameters:

1.       – Organoleptic

2.       – Volatile basic nitrogen (TVB-N)


One of our ISO certified and competent lab for seafood and non-seafood testing would be carrying out this analysis.

Oily Water Testing in Qatar

Enquiry:

With reference to subject inquiry, we request you to submit your competitive offer for the scope defined below.


Scope of Work

  1. Oily Water Sample Analysis – 2 samples

Parameters to be analysed

S.NoDescription
1Temperature
2Color
3PH
4Electrical Conductivity
5TDS
6Caustic-Alkalinity
7BOD (5Days)
8COD (Oil Layer)
9COD (Water layer)
10BOD (Oil Layer)
11BOD (Water layer)
12Oil & Grease ( oily layer )  
13Oil & Grease (water layer )
14Total SS
15Chloride(as Cl)
16Sulphate(as SO4)
17Sulphide(as Sulphur)
18Cynide(as CN)
19Detergent(LAS as MBAS)
20Grease & Oil (Total)
21Grease & Oil (Hydrocarbon)
22Grease & Oil (Non-Hydrocarbon)
23Arsenic(as As)
24Barium(as Ba)
25Tin(as Sn)
26Iron(as Fe)
27Beryllium(as Be)
28Boron(as B)
29Manganese(as Mn)
30Phenolic compounds
31Fluoride(as F)
32Cadmium(as Cd)
33Chromium(as Cr), (Trivalent and Hexavalent)
34Copper(as Cu)
35Lead(as Pb)
36Mercury(as Hg)
37Nickel(as Ni)
38Selenium(as Se)
39Silver(as Ag)
40Zinc(as Zn)
41Metals in Total
42Chlorine(as Cl2)
43Phosphate(as PO4)
44Calcium(as Ca)
45Magnesium(as Mg)
46Nitrate(as NO3)
47Sulfide         
48Phenol  

One of our ISO certified laboratory would be conductin this oil mixed water testing.

Lube Oil Testing in Doha, Qatar

Enquiry:

We would like to request a quotation for oil analysis with categories as follows:

Item #CategoryTestQty
1Fluid propertiesViscosity, acid/base number, elemental analysis1 lumpsum
2ContaminationParticle counts, moisture analysis, elemental analysis
3Wear DebrisElemental Analysis

If you have clarification please don’t hesitate to contact me to clear any of your inquiries.


One of our ISO certified and accredited laboratory in Qatar would be dealing with this analysis.

Oil Quality Test for Petroleum Company, Doha

Enquiry:

Please note that we would like to know if the analysis facility for Oil Quality is available in your laboratory for the below listed parameters, as we need to know the price of each test as under :

  1. Membrane Patch Colorimetry ( MPC Varnish ).
  2. Oil Cleanliness.
  3. Ruler test.

One of our ISO certified and accredited lab in Qatar would be taking over this job.

Contract Water Testing in Qatar

Enquiry:

Please find the following table for your kind consideration. Kindly quote us your best price with a delivery date for the following.

See attached specs

  1. Comprehensive contract for water quality test including chemical supply

Please provide the following terms and conditions:

  • Quotation to be valid for 90 days.
  • The delivery period to be mentioned.

FOLLOWING AREA’S ANDNUMBER OF TEST POINTS ARE:
A. HOSPITAL BUILDING – WATER TESTING AND RECOMMENDATIONS AS FOLLOWS:
(TOTAL OF 136 TEST POINTS)

  1. MONTHLY AND QUARTERLY TEST
    • LEGIONELLA = 73 points
    • PSEUDOMONAS = 29 points
    • E. COLI / TOTAL COLIFORM = 4 points
    • AND DOMESTIC WATER CHEMICAL TEST = 4 POINTS
  2. QUARTERLY TEST
    • TBC = 29 points
    • HETEROTROPHIC PLATE COUNT (HPC). = 1 point
    B. SERVICE BUILDING – MONTHLY WATER TESTING WITH RECOMMENDATIONS
    INCLUDING SUPPLY ANDDELIVERY OF RECOMMENDED CHEMICAL ( TOTAL OF 9
    TEST POINTS):

• STEAM BOILER
• HOT WATER (HEAT EXCHANGER) CHEMICALS
NOTE:
LEGIONELLA – 1 SAMPLE POINT IS EQUAL TO 1 LITER VOLUME OF SAMPLE
PSEUDOMONAS – 1 SAMPLE POINT IS EQUAL TO 500 ML. VOLUME OF SAMPLE
C. SAMPLING BOTTLES AND PPE’S SHOULD BE SUPPLY BY THE CONTRACTOR.
D. WATER SAMPLE COLLECTED SHOULD BE SENT TO LABORATORY AFTER 2 HOURS
FROM TIME OF COLLECTION FOR TESTING.
E. LABORATORY TESTING COMPANY SHOULD BE APPROVED BY MOPH FOR TESTING
OF LEGIONELLA AND PSEUDOMONA

One of our ISO certified lab would be taking over this contract as per Muncipality specifications & ISO standards.