Three-Chamber Septic Tank System
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RCP’s Three-Chamber Septic Tank System is a proven solution for sustainable wastewater management, combining structural integrity, treatment performance, and operational simplicity.
Recommended Use Cases:
- Clustered housing units
- Schools and small institutions
- Shared compound homes
- Rural health centres or guest lodges
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Description
Description
RCP’s Three-Chamber Septic Tank Systems are designed for efficient, gravity-based separation of solids, liquids, and scum – delivering cleaner effluent and significantly reducing the frequency of tank emptying. These systems are ideal for residential compounds, schools, estates, and commercial premises requiring reliable, standalone sanitation infrastructure.
Each unit is a complete precast concrete system comprising a sealed base chamber, baffle ring, and modular tank rings, topped with a heavy-duty cover slab. Built with C25 concrete and optional reinforcement, these tanks are designed to resist internal waste corrosion and external soil pressure while supporting long-term hygiene and environmental safety.
- Three-Chamber Design
Sequential settling of waste in three stages improves solid-liquid separation and reduces effluent turbidity.
- Durability
Precast C25 concrete construction with watertight integrity and long service life.
- Set Composition
- 1x Septic Tank Chamber with base
- 1x Baffle Ring
- 3x Septic Tank Rings
- 1x Precast Cover Slab
- Optional Extension Rings
Available to increase vertical capacity
Product Variants - Sizes / Dimensions:
Description | Internal Ø (mm) | External Ø (mm) | Height (mm) | Volume (m³) | Weight (kg) |
STCBR, 2m | 2,000 | 2,200 | 500 | 1.42 | 1,050 |
STCR, 2m | 2,000 | 2,200 | 500 | 1.57 | 790 |
STR, 2m | 2,000 | 2,200 | 300 | – | 745 |
CS 2m w. Ext. | 2,000 | 2,200 | 2,800 | 5.70 | 5,675 |
Complete Set | Includes all above components, preconfigured for installation |
Note: Sizing is typically based on 1.5 m³ per person. Actual configuration may vary based on usage intensity and local regulations.
Reduces Emptying Frequency
Improved Effluent Quality
Compact & Modular
Ready-to-Install
What Are Septic Tank Systems & Sewage Pits?
RCP’s Septic Tank Systems and Sewage Pits are precast concrete solutions tailored for onsite wastewater treatment and underground waste containment, especially in areas not connected to a central sewer network. Engineered for performance, safety, and flexibility, these systems are used extensively across residential developments, institutions, commercial properties, and remote installations.
Manufactured using high-strength, minimum C25 concrete and with options for reinforced covers and chambers, our systems are built to withstand environmental pressures, soil loads, and internal hydraulic activity. Whether you need a compact solution for individual households or a multi-chamber system for larger capacity, Regimanuel delivers modular, scalable, and maintenance-friendly units to meet diverse sanitation needs.
RCP Septic & Sewage Solutions
With RCP Septic & Sewage Solutions, you gain control over waste management with minimal maintenance, superior hygiene, and long-term durability - whether for a standalone building or a scalable community sanitation system.
Precast & Pre-Engineered
Speeds up site installation and ensures quality consistency
Expandable Systems
Modular rings and chamber configurations allow for later capacity upgrades
Durable & Watertight
Resistant to cracking, infiltration, and corrosive waste conditions
Compact Footprint
Designed for space-constrained environments
Flexible Use Cases
From rural homes to large compound sanitation systems
Need a custom specification?
We also produce tailored aggregates to meet your exact project requirements.
System Options
Three-Chamber Septic Tanks
Two-Chamber Septic Tanks
Sewage Pits
Common Applications
Private homes & gated communities
Schools, clinics, and public toilets
Estates & real estate developments
Temporary worker camps or site offices
Remote hospitality, agriculture, or industrial projects
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Frequently Asked Questions
- A septic tank is a closed, precast concrete chamber that treats domestic wastewater through sedimentation and anaerobic digestion. It’s ideal for residential homes, small estates, and remote facilities.
- A sewage pit, or soakaway pit, is typically an unlined or partially lined underground cavity used to dispose of untreated or pre-treated effluent. It is used in conjunction with septic systems or in temporary setups.
RCP supplies durable precast concrete septic tanks and custom-engineered sewage pits to meet the sanitation needs of residential, institutional, and light industrial developments across Ghana.
We offer a range of standard and custom precast septic tanks, with typical capacities from 1,500 litres to 10,000 litres or more. Each tank is made with C30/37 concrete and internal reinforcement for long-term structural integrity.
Available in:
- Single-compartment tanks for basic use
- Two- or three-compartment tanks for improved waste treatment
We also fabricate tanks with access manholes, ventilation points, and baffle walls to improve retention and flow.
Yes. All our septic tanks are designed to meet Ghana Environmental Protection Agency (EPA) guidelines and Ghana Standards Authority (GSA) sanitation regulations. We also follow international codes such as BS EN 12566 for prefabricated treatment systems
- Excavate pit to required depth with a compacted base.
- Place tank using crane or forklift.
- Connect inlet and outlet pipes (typically 4″ or 6″).
- Backfill carefully with sand or granular fill.
- Install access slab or cover for maintenance and pumping.
RCP provides installation guides or can assist with professional referrals.
- Desludge every 2–5 years depending on usage.
- Inspect baffles and manhole covers annually.
- Avoid flushing chemicals, grease, or non-biodegradable items.
Proper maintenance extends tank life and prevents groundwater contamination.
Yes. We design and fabricate soakaway chambers, leach fields, and combined effluent systems based on your site conditions and soil percolation rates. Our technical team can assess your site and recommend appropriate dimensions and configurations.
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Prices vary depending on tank capacity, custom features, and delivery location. For an accurate quotation, including transport to Accra, Kumasi, Takoradi, or elsewhere in Ghana, please contact us for pricing (Phone: +233 27 776 2259).
- Private homes and estates (where municipal sewerage is unavailable)
- Schools, churches, and clinics in peri-urban or rural areas
- Temporary construction sites and mining camps
- Guesthouses, hotels, and fuel stations
Our precast sanitation systems offer a reliable and hygienic solution where sewer infrastructure is limited or absent.
Delivery Info
- Standard and Express delivery services are available for all items.
- Shipping costs are calculated at the checkout page (after delivery option & destination confirmation).
- Tracking is available for all delivery options.
- Items are delivered during standard business hours.