Super Conical Chamber

A round manhole built from stacked precast rings: a base slab, rings from Ø900 to Ø1800 and an eccentric cone that narrows to the access neck, closed by a round frame and cover. Used for cable routes and for drainage.

Features

• Base slab: Ø2050 × 200 slab; the first ring seats 50 mm into it.
• Ring with an entry arch: Ø1750 outside, Ø1500 inside, 1000 high, with an R160 arch opening for the pipe or the cables.
• Riser ring: A 500 mm ring sets the depth; add rings for deeper lines.
• Eccentric cone: 1150 high, narrowing to an Ø810 neck with an Ø560 opening; one side stays vertical, so step irons run straight down.

Applications

• Pull-pits on a cable route: Cables enter through the arch, turn and leave; the neck gives access from the top.
• A manhole on a drain line: Under the road, on the line, with a cover on the neck.

What it prevents

• Days in an open excavation: Rings are stacked by crane in hours.
• Leaking brick courses: Rebated ring joints, sealed.

Installation

1. Base: Set the base slab on a levelled bed.
2. Rings: Stack the ring and risers on their rebates; seal the joints.
3. Cone: Set the cone with the vertical side over the step irons.
4. Cover: Fit the frame and cover on the neck; backfill.

Frequently asked questions

What is the Super Conical Chamber?

A round manhole built from stacked precast rings: a base slab, rings from Ø900 to Ø1800 and an eccentric cone that narrows to the access neck, closed by a round frame and cover. Used for cable routes and for drainage. It is made by Super Cement Articles (SCA), a precast and prestressed concrete manufacturer established in 1982 with six plants in Nashik (Maharashtra) and Unnao / Lucknow (Uttar Pradesh).

Where is the Super Conical Chamber used?

Pull-pits on a cable route, Cables enter through the arch, turn and leave; the neck gives access from the top. A manhole on a drain line, Under the road, on the line, with a cover on the neck.

What are the key specifications of the Super Conical Chamber?

Dia 900 to 1800 mm · Cables and water · Stacked rings, rebated joints · Round frame and cover. The full specification table is on the product page and in the downloadable data sheet.

What problems does the Super Conical Chamber prevent?

Days in an open excavation: Rings are stacked by crane in hours. Leaking brick courses: Rebated ring joints, sealed.

How is the Super Conical Chamber installed?

1. Base, Set the base slab on a levelled bed. 2. Rings, Stack the ring and risers on their rebates; seal the joints. 3. Cone, Set the cone with the vertical side over the step irons. 4. Cover, Fit the frame and cover on the neck; backfill.

Who manufactures the Super Conical Chamber in India?

Super Cement Articles (SCA), Nashik and Lucknow, 40+ years in precast, 3,50,000+ tonnes a year, BIS IS:12592 and ISO 9001 / 14001 / 45001 certified, designs to IS with Japanese precision in the detailing. Supplied pan-India.

How do I get a price for the Super Conical Chamber?

Send the size, quantity and site location through the enquiry form on the page (drawings and CAD files can be attached), call +91 98502 25049 (Nashik) or +91 97941 80000 (Lucknow), or email info@supercementarticles.in. SCA replies within one working day.