Sanamiento de

Arraijan y Burunga Panama

Arraijan, Panama

The Project

This sanitary sewer project, being constructed by the Panama Sanitation Program in the district of Arraiján Cabecera, aims to improve the sanitary and environmental conditions of the communities in this sector of Panamá Oeste Province through the construction of a wastewater collection, treatment, and final disposal system. Currently, wastewater is discharged without prior treatment into rivers and streams.

At present, the project is 52% complete. Work carried out includes earthmoving activities, pipeline installation, construction of inspection manholes, restoration work, and installation of residential service connections in areas near the Cáceres River and in communities within Arraiján Cabecera.

Supply Challenge

For this sanitary sewer project in Arraiján Cabecera, the primary supply challenge centered on the corrugated HDPE pipe requirements. The customer needed multiple non-standard lengths — 42” x 14.24’, 42” x 15’, 42” x 18.3’, 24” x 18.3’, and 24” x 14.24’ — in order to properly interface with the various precast chambers specified in the design.


The complication was that manufacturers typically produce this pipe in a single standard 20-foot length. Procuring the required dimensions was not simply a matter of ordering material; it required a coordinated technical and logistical solution.

AVEM Solution

At AVEM Water, we began by working closely with the project team to review the plans and perform a detailed material takeoff. From there, we helped identify each required pipe size and developed a clear allocation system so the contractor could easily track which pipe length corresponded to each chamber type in the field.


Leveraging our position as a major exporter of HDPE pipe, we negotiated a special production run with the factory to manufacture the specified custom lengths. In parallel, we structured the shipping plan to telescope the pipe efficiently, significantly reducing the number of containers required.


The result was a measurable cost benefit across the board — savings in material waste, reduced field labor adjustments, improved installation efficiency, and lower freight and logistics expenses.

Supply Solution

+ Complete Support

  • Products Recomendations

    Products Recomendations

    Leveraging our position as a major exporter of HDPE pipe, we negotiated a special production run with the factory to manufacture the specified custom lengths. In parallel, we structured the shipping plan to telescope the pipe efficiently, significantly reducing the number of containers required.

  • Container Loading

    On this project, we began by conducting a detailed review of the construction drawings and specifications to develop a precise material takeoff. Rather than defaulting to standard production lengths, we analyzed each chamber detail and invert elevation to determine the exact pipe lengths required for proper fit and alignment. This allowed us to quantify the specific 42” and 24” sections needed and eliminate unnecessary field cutting and material waste.


    Once quantities and lengths were confirmed, we engineered a loading strategy designed around telescoping the pipe. By coordinating custom production runs and grouping compatible diameters and lengths, we were able to nest the smaller-diameter pipe inside the larger-diameter pipe and optimize container cube utilization. This approach maximized payload per container and reduced the total number of shipments required.

    The combined result of precise takeoff calculations and strategic telescoping was a meaningful reduction in freight costs, improved logistics efficiency, and tighter overall project cost control.

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