QAQC in Construction

Types of Waterproofing the Building Need & Importance It is a dream for everyone to own a house of their own, even better when one can witness the foundation being laid and see it take shape in front of them. But there is a common problem for all – water seepage due to bad waterproofing. It hollows the whole structure of the building, causes long term problems ultimately affecting the life of the overall construction. This blog is a one stop solution for all types of waterproofing. It will guide you through all the precautionary process, products and procedures of the types of waterproofing in construction of your dream house. Foundation Waterproofing Basement Waterproofing Bathroom/Kitchen/Balcony/Chajja Waterproofing Terrace -Garden/Swimming Pool Waterproofing Building Foundation Waterproofing The foundation is the most important aspect in a building structure, one should take all possible measures to ensure its  longevity. The construction is built upon

1. Natural Sources of Sand: The sand particles consist of small grains of silica (SiO 2 ). It is formed by the decomposition of sand stones due to various effects of weather. According to the natural sources from which the sand is obtained, it is of the following three types: (1) Pit sand (2) River sand (3) Sea sand. (1) Pit Sand: This sand is found as deposits in soil and it is obtained by forming pits into soils. It is excavated from a depth of about 1 m to 2 m from ground level. The pit sand consists of sharp angular grains which are free from salts and it proves to be excellent material for mortar or concrete work. For making mortar, the clean pit sand free from organic matter and clay should only be used. When rubbed between the fingers, the fine pit sand should not leave any stain on the fingers. If there is any stain, it indicates the coating of oxide of iron over the sand grains. (2) River Sand: This sand is obtained from banks or beds of rivers. The river

1. Scope 1.1 This Method Statement describes a proper work procedure shall be carried out during the excavation stage as per specification and contract drawings. 2. References 2.1 General Specification – Excavation & Earthworks 3. Materials 3.1 Natural Soil 4. Tools & Equipment 4.1 Excavator 4.2 Pay Loader 4.4 JCB / Poclain 4.5 Six Wheel Truck 4.6 Bob-Cat 4.7 Shovel 4.8 Total Station 4.9 Meter Tape 5. Work Procedure 5.1  Site Preparation 5.1.1 Existing Services – [Company] construction team would conduct an investigation and acquire information about site services might have been placed/embedded below the ground. Services, wherever found shall be rerouted and protected to place will not affect site activities. 5.1.2 Setting out – [Company] surveyor would conduct the site survey to mark/stake-out the lines and levels of the objective excavation for foundations as per indicated in the approved drawing. 5.2  Excavation 5.2.1 The area to be excavated sha