SUBMITTED BY:-GAURI RAJSWATI GOEL

BUILDING SPECIFICATIONWHITE WASH AND COLOUR WASH

WHITE WASHING

Scaffolding It shall be erected on double

supports tied together by horizontal pieces over which scaffolding shall be fixed. Scaffolding shall rest on the surface which is been white washed.

Scaffolding should be sound and strong.

For ceiling proper stage scaffolding shall Be erected.

Preparation of surface Then surface shall be thoroughly brushed free from mortar droppings and foreign material.In case of old surface the surface should be thoroughly scraped of and holes in plaster shall be filled up with mortar.The surface shall then be allowed to dry for at least 48hrs before white washing is done.

PREPARATION OF LIME WASHThe lime wash shall be prepared from fresh white lime stone the lime shall be thoroughly slaked ,mixed, stirred with sufficient water to make a thin cream.Now shall be allowed to stand for 24hrs then shall be screened through a clean course cloth.40 gram of gum dissolved in hot water, shall be added to each 10 cubic decimeters of the cream.Approx quantity: 5:1 where 5 is water 1 is for 1kg of lime.Indigo up to 3gm per kg of lime is dissolved in water and stirred well. Water shall then be added at a rate of about 5 liters/kg of lime.

APPLICATION White wash shall be applied with moonj brushes. The operation for each coat shall consist of stroke

given from top downwards and other from bottom upwards over the first stroke and similarly one stroke horizontally from right and another from the left before it dries.

for new work 3 or more coats shall be applied till the surface presents a smooth and uniform finish.

For old work single coat or 2 or more coats shall be applied.

COLOUR WASH

The mineral colors shall be added to white wash. No color wash shall be done un till a sample of color wash of

the required tint or shade has been got approved from the interior in charge.

Color shall be even over the whole surface. For new work 2 or more coats: smooth surface For old work: repairing of surface: two or more coat surface

shall present a uniform finish. For new work the priming coat shall be of white wash The rate shall be for a unit of 1 sq.m