Waste and Waste Disposal Management

1. Reducing waste at the source by changing the size of concrete cube molds, which helps reduce the amount of concrete needed for testing and decreases concrete waste by up to 70%
2. PIPE FITTING Innovation: Inventing and developing an innovative method for installing steel fire pipes, moving away from the traditional method that required numerous joints and metal welding at every connection point. This new technique involves connecting pipes without using joints. This method not only increases work efficiency but also reduces resource consumption, such as welding wire, and decreases pollution generated from the metal welding process. Currently, this innovation has been further applied to three additional projects: Supalai Sense Srinakarin, Supalai Blu Sathorn Ratchaphruek, and Supalai Tyme Charoen Nakhon.
3. Use of saddle clamps for PPR (Polypropylene Random Copolymer) pipe connections by Using saddle clamps instead of tee joints to reduce pipe connections PPR, also reducing the chance of leaks and saving working time.

1. Creating a road subbase layer from concrete waste

Transforming concrete waste from construction into valuable materials by utilizing concrete scraps from three main sources: concrete waste from flushing sediment from drilled pile holes, concrete waste from cleaning concrete mixer trucks, and scraps from concrete cubes and slump test work, which often contain soil mixtures. All resulting waste is adapted into "Soil Cement" to form a reinforced subbase layer and protect the subgrade of road works. This technique not only reduces waste volume but also lowers the cost of purchasing crushed rock and decreases the number of trips required to transport waste off-site. Furthermore, it strengthens the soil in the area, reducing problems of road cracking due to soil subsidence.

2. Pouring concrete to flush out sediment from the bottom of drilled pile holes

During drilled piling, concrete is poured to overflow from the steel casing to flush out sediment and soil remaining at the bottom of the hole, preventing it from mixing with the main concrete body of the pile. This technique thus reduces the amount of concrete waste that needs to be transported off-site by up to 120 cubic meters, equivalent to 8 truckloads for off-site disposal.

3. PVC pipe scrap management process

PVC pipe scraps are often generated in large quantities from cutting pipes to the required sizes in plumbing and sanitary systems. These short pipe scraps are often considered valueless waste that must be landfilled or disposed of. To elevate waste management according to Circular Economy principles, the project has adopted the concept of Repurpose, applying it to various sizes. All sizes of pipe scraps, whether small or large, can be reused by adapting them into equipment for other tasks as appropriate for the worksite. This reduces the import of new materials and minimizes waste generation from the source, for example, by using pipe scraps to make sleeves for phones or other devices, thereby transforming waste materials into functional support equipment.

4. Reusing plastic pallets in transportation and construction processes

Plastic pallets are used to replace wooden pallets in material transportation, serving as supports for materials throughout the project, such as lightweight bricks, floor tiles, wall tiles, and other construction materials. This allows for multiple reuses. Additionally, plastic pallets are used as primary material supports for the entire project, covering both architectural and structural works, leading to an efficient material management system. Once materials on a pallet are used up, the pallet is stored and immediately returned for new materials. As of 2025, this has been implemented in 10 projects.

For construction materials whose packaging cannot yet be switched from wooden pallets to plastic pallets, the Company has repurposed wooden pallets into multi-purpose trays to extend their lifespan and maximize the utility of waste materials

1. Reprocessing concrete waste into new products

In addition to using concrete waste for temporary roads to reduce waste disposal from testing processes, the Company has repurposed excess concrete from compression strength test samples into new functional and decorative products. These are utilized and distributed to internal and external communities, such as plant pots, office supply boxes, and paving slabs for public works.

Small brick scraps that cannot be made into products are processed through crushing to be used as a component in potting soil. Due to their lightweight and high porosity, when mixed with soil, lightweight bricks help improve soil structure, making it airy, loose, and well-draining. pH measurements of the soil have shown it to be more suitable for cultivation.

1. Management of excess soil from condominium construction projects

The Company manages excess soil from high rise projects by utilizing it in low rise projects to reduce waste volume, minimize the need for soil disposal, and promote efficient resource circulation. This helps reduce the need to source soil from external suppliers for nearby low rise projects, decreases transportation, saves costs, and reduces pollution from fuel for long-distance transportation. It also represents sustainable excess soil management and efficient resource utilization, reducing environmental impact.

2. Management of drilled pile head waste

In the condominium construction process, the drilled piling stage generates excess concrete waste (pile heads) that is extracted, crushed, and transported off-site, representing both a loss of resources and increased management costs. The project therefore developed the "Life of Pile" innovation, transforming pile head waste into valuable material. This was tested by arranging all pile head scraps to form a retaining wall around Victoria Pond, replacing the need to construct an entirely new retaining wall. This also reduced the work process from the original 57 days for crushing, transporting, and rebuilding. Through this innovative use of circular resources in the project, the work time was reduced to 26 days. Furthermore, it reduced waste management costs and the construction of retaining walls using the traditional system, which would have cost approximately 2 million baht, to only hundreds of thousands of baht. This resulted in efficient waste management, reduced pollution from transportation, and decreased the amount of waste sent to landfills.

1. Waste management in construction projects

The Company systematically manages waste within the project, with designated waste bins for each waste type, totaling 8 bins with labels clearly defined waste types to support proper waste segregation and management behavior for employees, workers, and contractors. Each waste bin type includes food waste, plastic, plastic bottle caps, glass bottles, foam, paper, cans, and hazardous waste. This enhances waste management efficiency, reduces waste contamination, and promotes greater utilization of waste.

2. Segregation of construction material waste

The Company prioritizes the segregation of construction material waste generated from construction work, aiming to minimize waste sent to landfills. This is achieved through systematic segregation by type, categorizing materials that can be reused, materials that can be recycled (e.g., scrap metal, formwork, PVC pipes, and various packaging), and construction materials that cannot be reprocessed within the project, such as those used to produce alternative fuels, which are then sent to certified buyers or disposal companies for appropriate management.

3. Food waste management

The Company encourages employees and construction workers to digest and compost food waste from construction sites and worker camps into fertilizer to reduce the amount of waste that needs to be disposed of outside the project. This is done by adapting used paint buckets from within the project into food waste composting bins. This process yields compost used to nourish and improve soil quality within the project area, which also supports a space for growing vegetables for the workers.

1. Gypsum board waste management in collaboration with TOA Paint (Thailand) Co., Ltd.

The project manages gypsum board waste through two main strategies in collaboration with its partner, TOA Paint (Thailand) Public Company Limited, 1) Waste Reduction by ordering custom-sized gypsum boards to fit actual usage areas instead of standard sizes, coupled with 2) Recycling by segregating waste materials from the construction site and returning them to the factory to minimize gypsum board waste. This reduces the amount of gypsum board waste, allowing it to be reused. It addresses the problem of gypsum, which is a construction waste with a high volume of up to 3,950 kg, helping to reduce waste materials by 37.5%. It also reduces joints and working time by 20%, enabling the circulation of over 15.14 tons of material. This is considered an environmental impact reduction and an increase in economic efficiency by lowering material and time costs, and fostering social and environmental responsibility collaboration for sustainable, eco-friendly business operations.