blasting and painting procedure pdf

Blasting And Painting Procedure Pdf

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Abrasive Blasting- Types and Applications

Views 4 Downloads 0 File size KB. Blasting and Painting Procedure 1. Logistic coordinator shall be responsible for coordinating with the Painting team and Production Manager for prioritizing the Spool release from paint shop. QC shall be responsible for conducting surveillance and inspection of all painting works to confirm the Project Specification Requirements.

The Painting materials shall be stored in a location meeting temperature and storage conditions specified by the manufacturer.

For the full project all different painting components of the system shall originate from the same supplier, in view of guarantee considerations, this will minimize the technical risk of compatibility problems between successive coats, i. The surfaces to be protected are covered by strong adhesive tapes 9. Surface preparation All surfaces to be coated shall be free from oil and grease. Carbon steel piping and steel structures shall be blasted to SA 2.

Stainless Steel Surfaces shall be water cleaned and any rust stains shall be removed by light blasting or stainless steel wire brushing. Blasting activity shall be performed under the following conditions: - Dry weather condition - Substrate temperature is at least 30C above the dew point temperature.

Blasting process: Manual Blasting Abrasive shall be dry, silica safe material with sharp angular particles for carbon and low alloy steel surfaces. ARC presently uses grit as blasting medium. Breathing air purifier system ultra-filter , which supplies air free from CO2, should be used by the blaster. Standard Air fed blaster mask are used at ARC. Blasting machine will be lbs. Rogue peaks are acceptable up to a maximum of microns. All paints are mixed by stirring with cleaned rotary mixers with flat blades.

Painting activity shall be performed under the following conditions: - Dry weather condition. Substrate temperature is between C and C. Substrate temperature is at least 30 C above the dew point temperature. No oxidation of blasted surface is permitted. It shall be applied by an airless spray unit with constant agitation of the paint. Any such paint and also the paints that exceeded the specified expiry date shall be return to the paint manufacturer or disposed suitably.

The wet film thickness shall be spot-checked as an initial indication of the expected dry film thickness, using wet film thickness gauges of a relevant scale. The dry film thickness of individual coats and the total coating system shall be checked at random over areas representative of the work in hand by the painting foreman.

The number of selected areas needs to be assessed for each work. There shall be at least one area each for horizontal, vertical and curved surfaces. QC will take random readings as cross check. Additional readings shall be taken if there is any change in personnel application equipment, spray nozzle size, thinning of the paint, etc. DFT shall be measured using a coating thickness gauge, suitable for the given type of coating, thickness range and substrate material magnetic or non magnetic 7.

Coating thickness shall be verified using digital thickness gauge and to ensure that the thickness achieved as per the requirements specified in the earlier sections of this method statement. RH, Dew point etc. These aluminium tags covered by strong adhesive tape before blasting and painting to protect the identification number punched on the aluminium tags.

Painting area shall be restricted from smoking - In the mixing area, paints shall be kept away from naked flames. Home Blasting and Painting Procedure. Blasting, Coating and Painting Procedure Doc. Blasting and Painting 8 0 KB Read more. Your name. Close Submit. Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data.

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sand blasting procedure on concrete surface cleaning pdf

Views 4 Downloads 0 File size KB. Blasting and Painting Procedure 1. Logistic coordinator shall be responsible for coordinating with the Painting team and Production Manager for prioritizing the Spool release from paint shop.

In addition, coating material shelf life shall be checked for expiry date. Under no circumstances shall it contain clay particles or any other extraneous matter. Where specifications contained herein conflict with manufacturers recommendations the conflict shall be referred to OWNER for written clarification prior to the commencement of work.

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA. Home current Explore. Words: 1, Pages: 6.

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Add: No. NACE and Ra. I hope this will clear your queries on Blasting and surface preparation.. The extent of sand blasting ranges from light cleaning to a deep cutting operation that exposes aggregates to around 2 cm.

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