Lay brick bats broken bricks minimum 40 mm thick laid to specified slope. Roof slabs constructed either by rc or rcc needs insulation for thermal comfort and waterproofing treatment to prevent leakage of water. Brick bat coba is a truly waterproof process, applied to the terrace floor. Method statement for application of waterproofing membrane. Brick bat coba is very effective method used for waterproofing. In general the waterproofing shall be carried out as per specification of the specialist but duly approved by the engineer. Procedure for carrying out brick bat coba waterproofing various methods and techniques used. Ensure you are using good quality of cement and sand. Brick bat coba shall be provided as specified, however recommended average thickness is 120mm and minimum 65 mm. Chemical brick bat coba waterproofing service, thickness.
The sixth part consisting of providing and filling brickbat coba in cmb 1. The surface should be free from any oil, grease, dust etc. Keep top of finish surface rough to receive tilestone over it. To simplify the task just count the total number of openings. The treatment is carried out layer by layer to make up the desired thickness to achieve the desired slope as specified in the drawing and as directed. Guidelines for waterproofing of underground structures. Traditional methods of waterproofing are just that traditional. Specifications of mechanized autoclave fly ash lime bricks, sewer bricks, burnt clay perforated building bricks and gypsum partition panels incorporated.
Work method statement for various types of waterproofing. Basement waterproofing dwg detail for autocad designs cad. On the above green mortar, a layer of brick bats, soaked. The brick bat coba is used particularly for waterproofing of flat roofs, primarily rcc with some thermal insulation mud phuska in the coastal region. Until now, waterproofing has been done with typical systems, like brickbat coba, lime terracing and the mud fuska. Huge rise in urbanization and need of economic and effective waterproofing solutions have replaced ineffective old conventional methods of waterproofing with new advanced waterproofing. Methodology for brick bat coba water drain out system sr. Fill the sunk slabs with brick bat coba water proofing treatment as described in a. Use, maintenance and inspection of waterproof roofing systems. Also, look for colour variation in the mortar joints to identify problem areas. From simple coatings of asphalt, coaltar pitch, bituminous and cement based.
Terrace waterproofing is very crucial part in building construction. Material cost should include all taxes, such as sales, octroi, excise etc. Fixit torchshield, two products that offer comprehensive waterproofing solutions. Check list for terrace waterproofing works civil4m. The waterproofing of brocat coba is done on rcc slabs.
Best content around union construction selected by the professional constructor central community. Terrace waterproofing we propose to treat the terrace by surface method which starts directly over the rcc slab and includes brickbat coba to provide the necessary gradient for the easy flow of rain water. Apr 09, 2020 while making a quantity survey for doors, merge all similar types and frames and keep an eye so that nothing can be missed. Both these requirements are effectively full fill by brick bat coba treatment, the. Slabs are constructed either by rcc or rc needs insulation for thermal comfort and waterproofing treatment to prevent leakage of water. Remedial measures must be taken to all structural cracks as per standard practice.
How to properly do waterproofing for toilet and utility. Waterproofing plaster in the case of retaining walls should be done for all external surfaces. Counterthrust waterproofing watstop below grade concrete waterproofing bentotelo diajoint restoration of old bituminous membranes oriplast oriplast reflex waterproofing of wet areas bathroom and kitchen acriflex mono to protect to solve to waterproof an appropriate waterproofing will allow your building to live longer without maintenance. It is necessary that all constituent materials in concrete including integral waterproofing compounds for. Waterproofing building waterproofing is a process which is designed to prevent water from penetrating a building. Lay the well burnt pucca brickbat on the edge kadi and not on a flat surface. Furnishing of all labour, materials, services and equipment necessary for the supply and installation of waterproofing systems as described in the boq to concrete. Waterproofing challenges and suggested remedial measures for high rise buildings. Dec 01, 2014 brick bat coba processing on roof by raju singh building waterproofing contractors.
But unfortunately, brick bat coba cannot provide solution for any of it. Methodology for brick bat coba water drain out system. Basement waterproofing techniques procedure internal and. Terraces and roof slabs shall be treated with polymer modified chemical waterproofing coating in two layer or more and nylon. Coba brick waterproofing is the oldest method, the procedure of which involves laying brickbats on the flat concrete roof and grouting the same with waterproofing compound with a slope to drain the surface water. It is also used to give slope rainwater to harvesting pipe and also prevent fungus.
Sep 04, 2015 brick bat coba bbc is believed to be a waterproofing and insulation solutions in buildings. Terrace waterproofing by brick bat coba roof slabs constructed either by rc or rcc needs insulation for thermal comfort and waterproofing treatment to. Brick bat coba treatment surface preparation cleaning the surface from dust, mortar splashes loose materials etc to get a sound concrete surface. All intersections between roof slab and vertical walls should be provided with minimum 3 inches concave coving. Lime mortar made from the lime and fine sand in proportion of 1. Either the toilet slab is casted a foot below the outside slab, then plumbing pipes are laid as designed, then cover the. Waterproofing techniques in construction waterproofing. Work procedure for glazed china mosaic type waterproofing for terrace. Waterproofing of toilets is required to prevent seepage of water from floor slab and walls as toilet involves use of water and has plumbing works.
This standard was, therefore, published in 1964 and was subsequently revised in 1975. Brick bat coba processing on roof by raju singh building waterproofing contractors. Brick bat coba low density filler free download as powerpoint presentation. Work shall be carried out as per the drawing and project specification. You may be able to patch formtie holes or smaller voids with trowelgrade mastic. Brickbat coba waterproofing is an effective way of providing waterproofing, and insulation for thermal comfort for flat rcc roofs to prevent leakage.
Toilets and bathrooms are the most sensitive areas in the structure with regards to waterproofing due to presence of continuous moisture on it. Builtin provision has been taken in the analysis of rates for new construction technology mechanisation. Concrete surface preparation procedure guidelines for the. Heres what i recommend for a surface preparation procedure. How to properly do waterproofing for toilet and utility areas. The measurement shall be taken flat between the parapetsor end to end where parapet wall does not exists.
Description 1 surface preparation cleaning the existing the rcc surface area with wire brushing and washing the same. New technologies in waterproofing have changed construction industry over the years. The objective of this study is to compare the different waterproofing techniques by considering factors such as cost, durability and ease of use. Brick bat coba, which is a type of waterproofing service and heat insulation offered at most reasonable prices. Drawing labels, details, and other text information extracted from the cad file. Work procedureglazed china mosaic type waterproofing for. Brick bat coba waterproofing is an effective waterproofing method applied over the roofs to affectively waterproof the roofs, terraces and basements where chances of water leaving its marks on the inside surface are high. A little information about providing low density filler, in your bath and wc. The covering of parapet wall shall not be measured and paid. Faqs on brick bat coba waterproofing what is coba brick waterproofing. All exterior masonary surfaces susceptible to water ingress.
Waterproofing specification and project requirements carlyle house bank bilding 1 n fairfax st. Roof waterproofing by brick bat coba roof slabs constructed either by rc or rcc needs insulation for thermal comfort and waterproofing treatment to prevent leakage of water. Water proofing with brick bat coba by exposing the rcc slab to its bare surface clearing the surface of all lose particles and dust, carting away of debris and spreading neat cement slurry mixed with waterproofing compound on the cleaned surface, filling up the uneven surface, honey combing etc. Leaking bathrooms not only annoys you but also causes huge inconvenience to your neighbours in the floors below. Waterproofing can be categorized under traditional tarfelt, brick bat coba and advanced coatings, integral waterproofing techniques. A system approach in order to understand the applications of waterproofing it is necessary to have knowledge of the principles of waterproofing below ground structures. Read about company and get contact details and address. After 7 days of curing of mortar joints drive a nail into the joint to test the strength of joints at random. Brick bat coba processing on roof by raju singh building. Both these requirements are effectively full fill by brick bat coba treatment, the details of which are being below. Silt content test ensure you have all the civil tools required for the construction. Toilets, balconies and utilities areas are the most prone areas to water leakage issues and need full attention while being build and waterproofed. All existing treatment, coating on the slab top is removed and surface cleaned by hard wire brush and washed with water.
How to properly do waterproofing for toilet and utility areas read more. Building roofsterraces, parapet, sunshades and exterior vertical walls. It is often considered considered as an expert procedure and is performed by skilled personals from the product suppliers for efficient waterproofing. Top professional constructor central union construction. Earlier recommendations were not available to test these products for their efficacy as waterproof or their effects on other properties of cement.
Both these requirements are effectively full fill by brick bat coba treatment, the details of. This website requires certain cookies to work and uses other cookies to help you have the best experience. It consists of putting brick bats on roofs, to give a slope and then grouting the same with mortar admixed with various proprietary chemicals most in the nature of waterproofing compounds. Dec 03, 2016 below is given a safe work method statement for the installation of foundation waterproofing that can be applicable for safe working for any building or project construction. Safe work method statement for the installation of foundation. Ensure material for water proofing material is approved prior to application. Damp proof can be applied on existing ips, sound brick bat coba or cementatious waterproofing. Terrace waterproofing treatment on terrace brick bat coba.
Surface as required for treating roofs, balconies, terraces etc with brick bat coba. Laying of brick bats 1 procedure of brick coba method. The purpose of this method statement is to describe the measures and ways of the proper application of waterproofing membrane in our project. Brick bat coba system or lime terracing procedure all existing treatment, coatings on roof slab top is to be removed and surface cleaned by hard wire brush and washed with water. Before laying brickbats, soak thoroughly in water for at least half an hour. Jan 18, 2018 slabs are constructed either by rcc or rc needs insulation for thermal comfort and waterproofing treatment to prevent leakage of water. Impressively hand made brick dome construction duration. Why brick bat coba not the correct method for terrace. Usually extensive waterproofing measures are added to a building at the time of construction, to provide moisture control from the start waterproofing may also be done after a building is built, to address problems as they. Basement waterproofing and preventing ingress of water into basement is one the major challenging task in constructing basements. So every effort should be taken at the design stage itself to ensure that a proper protection system has been incorporated. How to calculate number of bricks, cement and sand for.
The coba is finally covered with the waterproof plaster finished smooth trowel in cement colour false square lines 1 0 on the top. In this type of waterproofing on exposed rcc slab, a neat slurry mix of cement and waterproofing compound is spread evenly with brickbats. Specifications of gang saw cut stone, providing and fixing dry stone cladding and structural steel frame work for stone cladding have been added. The brick bat coba is finally covered with jointless waterproofing plaster with waterproofing. Use of overburnt brickbats should be strictly avoided. Brick bat coba waterproofing treatment mohali, zirakpur. Remedial measured by provided to all structural cracks. Roof waterproofing by brick bat coba civil engineering. It is therefore important to develop waterproof roof slabs, which can provide leakproof environment to the interiors of the building. The roof surface before waterproofing shall be cleaned thoroughly and watered and shall be kept wet at least 12 hours prior to carrying out of waterproofing. We are engaged in offering a wide range of brick bat coba waterproofing service to our valued patrons. The major problem with regards to builders, architects and engineers in terms of design is most abide by township and state codes that are not written to assure you a dry basement later on down the line. The recommended areas of application for smartcare damp proof are. Brick bat coba bbc is believed to be a waterproofing and insulation solutions in buildings.
Mortar thickness should not be more than 10 mm between the courses and sides of the bricks. Waterproofing of toilets methods, materials and procedure. Waterproofing challenges and suggested remedial measures. Why is my basement leaking now when it never has before. Brickwork building technology guide concrete technology how to guide work procedures brickbat. All joints, coves, corners and changes of plane are treated with 9235 waterproofing membrane 6 wide fabric. The roughened top coat of brickbat coba is cleaned and washed properly. It is therefore important to develop waterproof roof slabs, which can provide leakproof environment to. Such items may be used in wet environments or under water to specified depths. Due to lack of awareness of available waterproofing chemicals, bbc and other traditional methods like mud fuska or lime terracing are still being used to protect terrace from water. The conventional systems would include box type waterproofing with impervious stone slabs like kota stones red agra stone etc. Casting of slab and plumbing works in toilets are done in following ways. Rcc slabs sometimes develop cracks, which allows for a passage of rainwater.
Waterproofing is the process of making an object or structure waterproof or waterresistant, so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions. The first question nearly every customer asks us is. Check the manufacturers instructions to make sure that whatever material you use for patching is compatible with the waterproofing product. Model curriculum national skill development corporation. Brick bat coba waterproofing procedure, and disadvantages. All existing treatment, coatings on roof slab top is to be. This standard provides useful information on drawing up and implementing a routine maintenance plan for continuous roofing produced using flexible waterproofing membranes.
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