Two-Chamber Septic Tank Systems
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Ideal For:
- Private homes with medium to large occupancy
- Staff accommodation blocks
- Schools, clinics, and small institutions
- Resorts, lodges, or agricultural sites without municipal sewer service
If you need a low-maintenance, structurally sound, and scalable onsite treatment system, RCPl’s Two-Chamber Septic Tanks offer an unbeatable combination of performance and practicality.
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Description
Description
RCP’s Two-Chamber Septic Tank Systems offer a streamlined and effective solution for onsite blackwater treatment. Engineered to handle moderate to high daily loads, these systems are ideal for private residences, small commercial units, and institutions that require efficient and expandable sewage treatment without a central sewer connection.
Like the three-chamber version, these systems use gravity-based separation, allowing solids to settle in the first chamber while the second chamber clarifies and stores the effluent. The use of precast concrete (min. C25) ensures each component offers structural durability, watertight performance, and resistance to corrosive waste environments.
- System Composition
- 1x Precast Septic Chamber with Base
- 1x Baffle Ring
- 3x Septic Tank Rings
- 1x Reinforced Cover Slab
The tanks are factory-moulded for precision fit and fast assembly on-site, with provisions for future vertical expansion using additional rings.
Product Variants - Sizes / Dimensions:
Description | Internal Ø (mm) | External Ø (mm) | Height (mm) | Volume (m³) | Weight (kg) |
STR, 2.5m | 2,500 | 2,720 | 500 | 2.33 | 1,180 |
STCR, 2.5m | 2,500 | 2,720 | 500 | 2.45 | 980 |
CS 2.5m, w. Ext. | 2,500 | 2,720 | 2,800 | 9.32 | 7,075 |
CS 2.5m Base Ring | 600 | 2,720 | 300 | – | 1,375 |
Complete Set | Includes full configuration for installation |
All units are designed to work with standard inlet/outlet pipe diameters and can be integrated with soakaways or percolation fields.
Efficient Waste Separation
Expandable Capacity
Rapid Installation
Low-Maintenance
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.