Review Observations on Highway Material Source Approval
Review observations on source approvals: This content pertains to the review observations on various highway material source approvals. These observations of IE follows the concessionaire’s submission of the material source and test results. These tests were conducted in-house by the contractor or a third-party test laboratory. And notify the concessionaire through a letter about the IE findings and observations.
About the Processes of Material Source Approval in Highway Projects
The material supplier must confirm that he is fully aware of the contract requirements of the project highway. And he can supply the material in accordance with. A synopsis of the material “Pathway” is
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The concessionaire obtains source approval; the IE is informed of proposed potential suppliers.
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Other necessary documentation is to be obtained and provided.
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Material arrives “on site”—an established procedure implemented by the EPC contractor or concessionaire.
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Material goes to the work site; established procedures are implemented by the EPC contractor or concessionaire.
About the material approval procedure for highway projects
No materials will be used without the formal approval of the independent engineer. All materials approved must be traceable and physically locatable at all times. Approval of construction materials shall be based on the following:.
Test reports for materials
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The tests may be done at the site laboratory, at the manufacturer’s premises, or at an independent testing laboratory.
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Tests must be conducted by the contractor in the presence of the independent engineer.
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Manufacture’s certificates of approved suppliers for certain materials, such as steel, cement, and admixtures.
The procedure for approval may be as follows:
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The EPC contractor shall submit the method statement for the use of the material to the concessionaire for consideration.
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Thereafter, it is submitted to the IE, incorporating the concessionaire’s comments.
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The EPC contractor or concessionaire will request that the IE give them time to arrange for suitable inspection and testing.
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The IE will inspect and test the material in accordance with all relevant codes, standards, specifications, and regulations.
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Additional information may be requested from the concessionaire or EPC contractor before the inspection and test can be completed.
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On successful completion of the inspection and test, approval will be given by the IE. Approval may include further conditions.
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All materials approved must be physically identifiable and traceable at all times.
Review observations on source approval letter
The following are the sample review observations on various highway material source approvals.
Review observations on source approval of cement
Case-1: Source approval of cementTo The Concessionaire Subject: Subject: Source approval of cement Dear Sir, With reference to your submission and the test results accompanied, the cement has been reviewed by us, and we found that the following deficiencies are in your submission:. 1. A factory visit has to be done. 2. Your in-house laboratory test reports are not enclosed. 3. Manufacturer’s test reports are not enclosed. 4. The cement manufacturer’s brochure and detailed information related to their uses in nationally reputed projects are not being provided. So, you are being requested to submit the above reports as soon as possible for early disposal of the matter. Thanking you, Case-1A: Source approval of cementTo The Concessionaire Subject: Source approval of Nagarjuna and JSW Cement. Dear Sir, With reference to your submissions related to the Concrete Mix Designs of M35, M40 Grades as per point No 1, schedule D, page 240 of concession agreement and clause 8.2 of Manual for specification and standards for four Laning of Highways, we have reviewed the source approval for cement and our comments as below: 1. Laboratory test reports conducted at site were not enclosed. 2. Credentials were not available regarding the material supplied to other High way projects. 3. Factory visit have to be done 4. Supporting documents showing scarcity of cement for already reviewed sources ie 1. Rassi cement, 2. Deccan cement 3. Sagar cement and 4 Penna cement, This is for your information and compliance. Case-2 : Source approval of cement subject too comply the certain conditionsSir, With reference to your above letters and the document submitted by you, the same have been scrutinized by us and we would like to intimate you, that we have no objection if you procure cement from xxxxx Cements Ltd, and xxxxx Cements Ltd. However in this connection we would like to instruct you to comply the following:
Thanking you |
Review observations on source approval of sand quarries
Case-1: Found deficiencies in submissionTo The Concessionaire Subject: Review observations on source approval of sand quarries Dear Sir, With reference to your above letters and the test results for the sand quarry of the XX River at XX village submitted by you, we have reviewed them and found the following deficiencies:. 1. Clay content test; results not included. 2. Water absorption and specific gravity test results are not included. 3. A location map for the sand quarry on the Krishna River is not being provided. So, you are being requested to submit the above reports as soon as possible for early disposal of the matter. Thanking you Case-2 (Approval): Source approval of sand quarry-reg.To The Concessionaire Subject: Review observations on source approval of sand quarries Dear Sir, With reference to your submission related to the Sand Quarry approval, we have reviewed the same and have no objection to using the same from: (a) XX river at XX village (b) XX river at XX village. Subject to the following conditions: (1) A test should be carried out for each truck load received at the site, and the results must comply with specifications. (2) Joint sampling and testing of material with our representatives as per the required frequency must be done. Thanking you, |
Review observations on water sources for Section II.
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To The Concessionaire Subject: Review observations on water sources Dear Sir, With reference to your above letters and the test results for the water submitted by you, we have reviewed them and found that the water samples can be suitably used for the concrete works for this project. Thanking you, |
Review observations on source approval of stone quarry
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To The Concessionaire Subject: Review observations on source approval of stone quarry Sir, With reference to your submission related to the stone quarry approval, we have reviewed the same and have no objection to using the same from the following quaries: Subject to the following conditions: 1. Submit a copy of the NOC for blasting operations before the commencement of mining. 2. Submit quarry operation methodologies. 3. The lease agreement for item ‘e’ must be submitted to us. These are for your information and necessary compliance. Thanking you, |
Note to a visitor about the review observations on source approval of highway material
It is that a few important and mandatory aspects are only discussed herewith. Kindly note that the above review observations are considered examples. You may adopt the gist of the subject and change it to suit the current need. And before using this content in your letter drafting, you need to ensure the specific material, other aspects, etc.
Also suggested to Read the following
Bituminous material source approval letter
Road material Source approval letter.
Road Safety material approval letter
Construction chemicals approval letters
Bridge material source approval letters
You can find various sample draft formats for highway operation and maintenance.
Additionally, you can find various sample draft formats for highway construction.
