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Precast Manhole Chambers are an integral component of any modern sewer system. A properly designed and installed precast concrete manhole system provides superior watertight performance compared with competing methods and materials. A typical precast concrete manhole could be installed 500 feet deep and more because lateral forces act equally around the periphery, which places the section in pure compression- the ideal state for concrete. Manufactured in the controlled environment of a plant, these vital infrastructure components will stand strong for decades of trouble-free service.


Strength:
Precast concrete strengthens with time, while other materials can deteriorate, experience creep and stress relaxation, lose strength and/or deflect over time. The load-carrying capacity of precast concrete manhole is derived from its own structural qualities and does not rely on the strength or quality of the surrounding backfill materials. Studies have shown that precast manhole has AA Class Loading Capacity.


Easy Installation:
Precast Manholes are easy to install. Precast Manholes can be easily installed on demand and immediately backfilled- there is no need to wait for concrete or mortar to cure at the job site. The degree of soil compaction around the manhole chamber and remaining trenches is never a problem, making installation easier. Most contractors are familiar with how to handle precast concrete manholes and can install them with a small crew and crane.


Reduced Weather Dependency:
Precast Manhole increases efficiency because weather will not delay production of the manholes. In addition, weather conditions at the job site do not significantly affect the schedule because less time is required to install precast manhole compared with other construction materials, such as case-in-place concrete or brick.


Uses:
Precast Circular Manholes are used in sanitary sewer and storm drain systems for access, observation and junctions.
Access to the System for Maintenance.

• Observation Points
• Changes in Pipe Size
• Changes in Pipe Shape
• Changes in Direction of Pipe
• Junctions for Multiple Pipes

Backed by rich industry experience and market understanding, we have developed a new range of Road Side Precast Inspection Chamber to give our clients an ease in the installation of new drainage/water connection. Precast Road Side Inspection Chamber is highly efficient as compared to the conventional way of building up a new drainage connection in a house/society. It also saves Time and Labour Cost.

Box Culverts are a perfect answer for waste courses with wide stream and low pressure driven head. SGG precast solid box courses are additionally reasonable for troublesome site conditions as establishment requires insignificant exhuming and inlay.