RENDERING (EXTERNAL PLASTERING) – ITP

This post explains the necessary Inspections and testing during rendering (plastering on the external surface) activity. The Indian standards (IS Code) related to this activity is 2402. This is only a summary and a full customizable ITP with the required checklist in word format can be downloaded from the link given at the bottom.

RENDERING (EXTERNAL PLASTERING)

WHAT IS AN INSPECTION AND TEST PLAN OR ITP

Inspection and Test plans and checklists are an integral part of quality management systems not only in construction but in almost every industry where Quality Management systems are in place. It is considered to be master documents through which different parameters and actions of a process or activity would be monitored and recorded which play a vital part during the verification later or in simple terms during auditing.

In the construction industry, where there are a lot of activities, for a variety of trades such as structural, Finishes, Façade, Electrical, Mechanical, Plumbing, etc. are to be completed spanning across excavation for the foundation to handing over the stage, thereby Preparation and implementation of different inspection test plans form the most crucial part of the project management system.

To read more about ITP and how to prepare one CLICK HERE and refer to the last picture in this post to get a quick understanding of ITP’s structure and how to structure it as per the project requirements

Inspection and Test Plan For Rendering Work

SECTION 1 – DOCUMENTATION REVIEW

This part deals with the review and approval requirements of necessary documents pertaining to the plastering works. These shall be mainly drawings showing the finished schedule, materials (cement, sand, metal laths, or accessories) as detailed in the project specifications or the standards mentioned in the contract, Method Statement mainly.

SECTION 2 – INSPECTION OF INCOMING MATERIALS

This part deals with the inspection of materials procuring for the plastering activity based on the approved material details. The storage of materials also shall be checked whether it is followed the guidelines or standards applicable.

SECTION 3 – PRE WORK INSPECTION (INSPECTION PRIOR TO START RENDERING)

Pre-rendering inspection is important as there are many aspects that shall be checked. Some project owners or consultants will insist to make a sample of plastering to be applied on a small area – this may be separate for the separate bases like plastering on blockwork, plastering on a concrete surface, etc. The workmanship, the finish, etc will be assessed before proceeding with the work on site. Once the sample is approved it shall be kept as a reference and will be marked for the same.

The first point is the Check on the surface of Block works or concreting for plastering – The approval of the finished blockwork is mandatory before proceeding with it. All joints to be raked.

The rest of the points during pre plastering inspection are

Check on plastering guide spot/dabs
Check on chicken mesh/metal laths
Check on scaffolding
Check on surface for plastering
Protection of Adjacent Work
Check for MEP clearance of area
SECTION 4 – WOK IN PROGRESS INSPECTION

This section includes the testing of

Check for mixing of plaster.
Check on use of mixed mortar
Check during application
Check on control/expansion joints
Check for finishing
Check for floated finish for external finish
Check for floated finish for internal finish
Check for neat cement finish
SECTION 5 – POST WORK INSPECTIONS

Curing is to be monitored after the plastering for as many days as specified. When the plastered surface is offered for inspection it shall be checked for plumb, straightness, square, crack, and overall smoothness of the wall.

Refer to the picture at last to learn tips on How to Customize the ITP based on Project Requirements

Download full customizable ITP for Rendering Work

QUICK LEARNING ON ITP AND ITS CONTENTS
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