Manhole Cover

S.G.G. Cement Product Private Limited is the single name, well-known in Northern India for “ISI” Marked RCC Pipes, especially for reliable service and competitive business with customers.

We have our motive to achieve a highly integrated business by building public relations with our customers by producing best quality and timely execution of supplies which is an essential part of any project to complete it within the cost limits.

S.G.G. Cement Product Private Limited is the single name, well-known in Northern India for “ISI” Marked RCC Pipes, especially for reliable service and competitive business with customers.

We have our motive to achieve a highly integrated business by building public relations with our customers by producing best quality and timely execution of supplies which is an essential part of any project to complete it within the cost limits.

S.G.G. Cement Product Private Limited is the single name, well-known in Northern India for “ISI” Marked RCC Pipes, especially for reliable service and competitive business with customers.

We have our motive to achieve a highly integrated business by building public relations with our customers by producing best quality and timely execution of supplies which is an essential part of any project to complete it within the cost limits.

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

Vertical watertight structure used to connect pipelines, to change direction and/or level, to permit access for personnel and/or equipment for inspection and maintenance and to allow aeration and ventilation.

 

In other terms, it is an opening by which a man may enter or leave a drain, a sewer or other closed structure for inspection, clean and other maintenance operations, fitted with a suitable cover.

 

Precast Manhole is straight in lower portion and narrows down at the top opening matching with internal diameter of precast manhole cover, using various components. The diameter of precast manhole depends upon the depth of manhole and the inlet and outlet pipe diameter.

Diameter of Precast Manhole Chamber