Wednesday, March 25, 2009

Inspection and Test Plan

GENERAL
Inspection & Test Plan is a document made by Manufacturer/ Subcontractor or CONTRACTOR for describe the minimum requirements of the quality control activities, Inspection & Test items during fabrication and/or construction phase, reference documents, required acceptance criteria, certifying or verifying documents, and inspection parties involve; its all for assure that the product will be built in accordance with project specifications, code & standard requirements, and meet local government regulations.

Inspection & Test Plan shall be submitted to owner for getting approval prior commences shop fabrication or construction works.


Inspection and Test Plan as a reference for manufacturer data report of fabrication work or mechanical erection acceptance report of construction work.


Inspection and Test Plan will be described in tabulation as illustration of table 1 below.


All inspection and Test required shall be in written procedure in accordance with the owner technical specifications.


The below discussion describes applicable sample of Inspection and Test Plan applied for construction project.



CONTRACTOR and/or its Manufacturer/ subcontractor shall provide all inspection equipment for inspection activities. These activities are to assure themselves that adequate inspection personnel and back up equipment are in place in order to expedite their activities speedily so as not to impact on the construction schedule.


CONTRACTOR and/or its Manufacturer/ Subcontractor shall prepared check sheets and inspection reports for carrying out the required quality control checks according to particular discipline work activities. All inspection and test reports form shall be specific to the activity and items inspected.


CONTRACTOR shall also prepare a detailed inspection and test plan indicating inspection levels (Spot witness, witness, hold point, etc), based on Owner definitions herein. The test inspection plan shall include witness/attendance requirements by Owner/Authorized body and/or THIRD PARTY.


Manufacturer/ Subcontractor shall submit their inspection and test plan based on the CONTRACTOR’S inspection and test plan document for CONTRACTOR or Owner review and approval.


CONTRACTOR shall generate, maintain document, and collate the inspection records, which is done by them or by its Manufacturer. The system employed shall insure full tractability of records including back up in accordance to Owner requirements. CONTRACTOR shall submit the originals of all inspection data and other related documents to Owner, as required by the contract terms.


REFERENCES
The following are related documents as conjunction with this document:

Project Quality Assurance Plan, Quality Control Procedure, Dimensional test Procedure, Visual Examination Procedure, Non Destructive Examination Procedure, NDE Personnel Qualification Procedure, Welding Procedure Specification & Procedure Qualification Record.


INSPECTION LEVEL DEFINITION

Spot Witness (SW)
Spot witnessing inspection point is an activity during fabrication or construction where measuring, witnessing of work or inspection normally takes places. Formal written notification is not required, although oral or informal memo will normally be given. If the discipline inspector does not inspect the work at this point, the work may continue. However inspection data must be recorded, and the CONTRACTOR or Manufacturer are fully responsible to ensure that this is done before continuing the next work step.

For the items marked with “SW” under column “CONTRACTOR” the quality control and inspection will be conducted by CONTRACTOR at their own responsibility. However, OWNER shall have the right to inspect any works done by CONTRACTOR or Manufacturer at any time.

Witness (W)
Witness inspection point is an activity during fabrication or construction, where the inspection and measurement or tests must be done in place and documented. Before performing the inspection, measurement or test; CONTRACTOR is required to give written notice to OWNER and will normally attend the inspection.

On a case by case basis, the inspection witnessing may be waived. In this case, inspection may proceed without attendance. However, inspection data must be recorded and submitted for review and approval. All waivers will be given in writing prior to inspection execution (jointly approved by CONTRACTOR and OWNER).

For the items marked with “W” under column “CONTRACTOR” the quality control and inspection will be conducted by CONTRACTOR at their own responsibility. However, OWNER shall have the right to inspect any works done by CONTRACTOR or Manufacturer at any time.

Hold Point (H)
Hold point is an activity during construction/fabrication, where the inspection, measurement, or test must done in place and having a mandatory attendance by OWNER and where required Authorized body and/or their appointed THIRD PARTY. CONTRACTOR can not proceed with the next work step activity until the inspection, measurement or test has been witnessed and approved by all attending parties. CONTRACTOR shall give written notification to OWNER of the upcoming inspection. CONTRACTOR must give formal written notification to OWNER for their attendance prior the inspection/test done. Inspection conducted under (H) category shall not be waived.

For item marked with “H” under column of OWNER; CONTRACTOR shall notify OWNER in writing of the inspection scheduled date and time. Witnessing shall be jointly performed by CONTRACTOR and OWNER. CONTRACTOR can not proceed the next work step activity until the inspection and measurement or test has been witnessed and approved by all attending parties.

DOCUMENTARY SYMBOLS
Approval (A)

A document or drawing shall be submitted for getting approved prior to proceed the activity.

For item marked with “A” under column “OWNER”; CONTRACTOR shall submit documents, drawings, etc. to OWNER. For item marked with “A” under column “CONTRACTOR”, Manufacturer shall submit documents, drawings, etc. to CONTRACTOR for approval. Inspection shall not be conducted before OWNER approves the required documents.

Review (R)
A document or drawing shall be submitted for comments

For item marked with “R” under column “OWNER”; CONTRACTOR shall submit documents, drawings, etc. to OWNER for review/ comment. For item marked with “R” under column “CONTRACTOR”, Manufacturer shall submit documents, drawings, etc. to CONTRACTOR for review/ comment.

Initial document (X)
A document or drawing shall be created.

For item marked with “X” under column “Manufacturer”; the manufacturer shall create a document and submit it to CONTRACTOR for Review or Approval.

For item marked with “X” under column “CONTRACTOR”; CONTRACTOR shall create a document and submit it to OWNER for review or Approval.

TABULATION OF INSPECTION and TEST
Table 1 – example Inspection and Test Plan



How to fill the tabulation
1. The Header describes about :
- Owner Identifications, such as: Owner Logo (A) & Name (D).
- The Inspection and Test (B) purpose for Shop or Field work.
- Manufacturer Identification, such as: Manufacturer logo & name (C)
- Project identifications: Project title (E), and contract no. (F)
- Manufacturer documents status: Job no. (H), Document no. (I), Revision (J).

2. The Content describes about:
Column 2 – Process Description/ Inspection Activities.
This column describes required supporting engineering documents & Test Procedures; quality control activities that shall be applied of material, fabrication phase or construction work; and dispatch and documentation.
Content of this column shall be described refer to specifications and relevant codes & standards required.

Column 3 – Control Documents
It will refer to Project specifications, data sheets, codes & standards and AFC drawings.

Column 4 – Acceptance Criteria
It will refer to Project specifications; codes & standards; AFC drawings; and local government regulations.

Column 5 – Certifying/ Verifying Documents
It refers to evidence documents shall be published by manufacturer, manufacturer’s documents shall be approved by authorize body, and/ or mill certificates.

Column 6 – Document to be included into QA dossier.
It refers to evidence documents required by specifications, or test procedures.

Column 7 up to Column 10 – Inspection by Involvement parties.
It refers to Documentary Symbols and Inspection Coordination between
involvement parties as required by specifications.

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