Reinforced Concrete Septic Tank Design

The walls and floor of the tank are 10 cms 4 inches thick reinforced concrete providing sufficient strength to withstand water pressure and a reasonable amount of earth movement.

Reinforced concrete septic tank design.

Septic tank should be watertight and constructed of bricks masonry stone masonry or sometimes concrete. Concrete strength reinforcing steel placement and openings shall also be considered in the design. These reinforced concrete septic tanks are manufactured in compliance with csa b66. The following design characteristics have a critical impact on the performance of on site wastewater tanks.

The physical design requirements include. The tanks can be made in different shapes usually circular and rectangular shapes are mostly used. 2009 parts i iv. Structural design of the septic tanks shall be by calculation or by performance.

Unlike steel or high density polyethylene septic tanks concrete septic tanks gradually strengthen with time and are able to withstand extreme load conditions with low susceptibility to damage during backfill. We are the largest manufacturer of septic tanks in the western united states. Capacity shape compartments influent and effluent pipes baffles and outlet devices and openings in top slab. Some septic tank design has 2 chambers while others have 3.

The septic tank used in conjunction with one of the many treatment and dispersal options comprises a complete onsite wastewater. Procast products concrete septic tanks are constructed as required in california as a two compartmented vessel and meets the uniform plumbing code requirements in most counties. Septic tanks are the first vital element of an onsite wastewater treatment system. The reinforcing steel is a mesh of 8 mm diameter reinforcing bars spaced 15 cms 6 inches apart and built into a mesh box.

The design of reinforced concrete water tank is based on is 3370. Generally two compartments are provided with a partition wall at a distance of 2 3 rd of the inlet. A wall with openings between the floor and roof of the tank separates the chambers. It is rectangular in plan and length is 2 4 times of breadth.

Rice concrete limited produces both one and two section septic tanks ranging in size from 2840 litres 625 gallons to 4800 litres 1056 gallons in both standard and low profile design. The design depends on the location of tanks i e. Septic tank design it has one end connected to an inlet from the toilets and sometimes an outlet connected to the drain field. Concrete mix design concrete must have a minimum compressive strength of 4 000 psi at 28 days.

The tanks can be made of reinforced concrete or even of steel.