<h1><mark>Piling Note</mark></h1> <p><mark>List of codes <p><mark>• IS 2911 (Part 1/ Section 2): Code of practice for design & construction of Pile foundations. (Bored Cast in-situ piles)</p> <p><mark>• IS 14593: Design & construction of bored Cast in-situ piles founded on Rocks.</p> <p><mark>• IRC 78: Standard specifications & code of practice for Road Bridges.</p> <p><mark>• IS 16172: Reinforcement couplers for Mechanical splices bars in Concrete-Specification.</p> <p><mark>• IS 4082: Stacking and Storage of Construction Materials and Components at Site- Recommendations.</p> <h2><mark>Tolerances for Foundation Pile<mark></h2> <p><mark>• Piles should not deviate more than 75 mm or D/6 whichever is less (75 mm or D/10 whichever is more in case of piles having diameter more than 600 mm) from their designed positions at the working level.</p> <p><mark>• In the case of single pile under a column the positional deviation should not be more than 50 mm or D/6 whichever is less (100 mm in case of piles having diameter more than 600 mm). <p><mark>• For vertical driven or bored cast-in-situ piles an angular deviation of 1.5 percent and for raker piles an angular deviation of 4.0 percent should not usually be exceeded except exceptional cases. <p><mark>• cross-sectional dimensions = +50 mm, -10 mm <p><mark>• Tilt = 1 in 150 <p><mark>• Pile top level = ± 25 mm.</p> <h2><mark>Bentonite Slurry for Piling<mark></h2> <p><mark>•Density of fresh bentonite slurry: 1.05-1.10 g/cc as per subsoil condition <p><mark>•Density of return bentonite for pile (boring only): below 1.12 g/cc <p><mark>•Marsh cone viscosity = 30 to 40 second <p><mark>•pH value = 9.5 and 12 for bentonite slurry <p><mark>•The silt content: < 1% for fresh bentonite slurry <p><mark>•The sand content of return bentonite (boring only): below 2.5%.<p><mark>•Liquid limit of bentonite: > 400%.
Piling Note
<h1><mark>Cube Mould casting</mark></h1> <p><mark> • Grade of concrete <p><mark> • Structure ID <p><mark> • Date of casting
Cube
Mountains
Pier Note
Mountains
Aggregate Note
Lights
Piling Note
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