The Condron Concrete Works Perfect Manhole System
Perfect Manhole System can be installed in minutes rather than the traditional labour intensive method. Save time and money.
The Perfect Manhole System is available in 1200mm, 1350mm. 1500mm, 1800mm and 2100mm diameters and comprises of:
- A monolithic precast concrete bases (available pre-benched in any configuration within just days of requisition).
- A sealed chamber ring.
- A rubber joint or butyl sealant strip (using both is recommended for high water tables or near a water course).
- A sealed cover slab which is supplied with your required access ope.
- A sealed pipe connection for various pipe types.
The exfiltration test shall be carried out before backfilling of the Manhole in compliance with Uisce Eireann Code of Practise 4.10
This unique system of products combines to form the Perfect Manhole system. Designed and manufactured to last a minimum of 120 years. This is a sealed manhole system that gives up to 40% savings on greenhouse gases compared to traditional manhole construction and eliminates the need of ready mixed concrete to form the traditional base and chamber benching.
The Perfect Manhole can be installed in as little as 25 minutes, reducing the need to work in confined spaces, helping safe site practice, and eliminates the need for wet trades resulting in rapid construction compared to traditional methods as well as a reduction in the time the excavation is open.
The Perfect Manhole complies with ISEN 1917:2002 and I.S.6:2025 and has been accepted for use by all major UK and Irish companies.
Benefits of the Perfect Manhole System
Safer Construction
- No requirement to work in confined spaces.
- No requirement to form a concrete surround around base.
- Reduction of open excavation.
- Cast in lift anchors for safe and secure handling.
GHG Savings
- Up to 40% savings on GHG emissions compared with traditional build.
Fast Installation
- Eliminates the need for wet trades resulting in rapid construction compared to conventional methods.
- No need to surround in concrete unless specifically required – Min 130mm base wall thickness.
- Anchor system ensures speedy and precise positioning.
Available at Short Notice
- Our modern methods of production enables the delivery of all components including monolithic bases at short notice.
Design Freedom
- All designed monolithic perfect base characteristics such as location of the inlets and outlets and invert configuration can be manufactured individually and exactly in accordance to the wishes of the specifier and client.
Perfect Hydraulics
- Everything flows. Optimised flow characteristics by customised base configuration of all inlets and precise drop in channels and pipe connections.
Watertight
- Watertight and durable connection seals for plastic, concrete and day pipes.
- The combination of a thicker wall and butyl seal or rubber joints ensures a watertight structure.
- A water tight homogenous base section is achieved once the base is lifted into position.
- Elastomeric joint seals in compliance to EN681. Butyl sealant strips also available as a seal option. Use of both are recommended where high water table or near a water course.
No Water Ingress into Sewerage Network Reduces Treatment Costs
- The combination of a minimum 130mm wall and sealed rubber joint is guaranteed to withstand a minimum of 5m / head pressure.
Combined Seal Includes Load Distributor
- Load distribution ensures even distribution of vertical loads.
Allows Joint Inspection
- Correct installation can be visually confirmed.
Efficient Construction
- Available in varying depths for efficient construction.
Base Options
- Available pre-benched or plain bottom with or without inlet/outlets.
Flexible Connections
- The perfect manhole can connect to plastic, clay or concrete giving you a larger choice.
Fully Tested under Factory Conditions
- The whole system from base to cover slab is subject to testing.
Kite Marked Solution Manufactured under Factory Conditions
- Complies with the requirements of ISEN 1917 and IS420
Concrete for Life
- Built to last. High quality durable concrete with a minimum 120 year design life.
Online:
To order please print this PDF and E-mail to Perfectbase@condronconcrete.com we will then send product detail and quote for your final approval.
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