CivilTech Studio blog
Tanks, septic & rainwater — IS 3370 / ACI 350. Worked examples checked against the CivilTech Studio engines.
#rainwater-harvesting#recharge-pit#cgwb
Rainwater harvesting pit design step by step: annual harvest, rational-method storm inflow, recharge pit size from filter porosity and soil infiltration, and the 24-hour drain-down check, with a 150 m² roof worked example.
12 min read
#is-2470#septic-tank#sanitation
Septic tank design calculation as per IS 2470 (Part 1): sewage flow, detention, digestion and sludge volumes, Table 5/6 minimum sizes and L × B × depth, worked through for a 10-user house with a size table for 5 to 150 users.
12 min read
#is-3370#water-tank-design#liquid-retaining
Water tank design to IS 3370 step by step: hydrostatic load, hoop tension and base moment in circular walls, γH³/6 cantilever walls, permissible stresses, minimum steel and crack checks, with an 8 m × 4 m worked example.
16 min read
