Construction of Two Solar Dryers (8M X 30M) for Sardine and Seaweed Processors in Tanga City

Role: Consultant for solar dryer construction

Location: Tanga City, Tanzania

Deadline: 29 November 2025

Key Requirement: Proven experience in agricultural/food processing infrastructure

Background

Coastal communities in Tanga Region rely significantly on sardine processing and seaweed farming for income generation and food security. Traditional open-air drying exposes products to contamination, weather-related losses, and reduced quality, limiting their competitiveness in local and regional markets.

To address these challenges, Rikolto, in collaboration with partners, intends to construct two (2) climate-resilient solar dryers (each 8m x 30m) equipped with 20 drying racks to improve product hygiene, reduce post-harvest losses, and enhance income for sardine processors and seaweed farmers in Tanga City.

Objective of the Assignment

The objective of this assignment is to engage a qualified consultant/service provider to design, construct, and commission two (2) solar dryers (8m x 30m) with 20 drying racks suitable for sardine processors and seaweed farmers in Tanga City.

Scope of Work / Methodology

Inception and Site Assessment

  • Conduct inception meeting with Rikolto and community representatives.
  • Undertake site assessments in Tanga to evaluate land suitability, drainage, water availability, and accessibility.

Design and Construction of Solar Dryers

  • Develop technical designs for two solar dryers measuring 8m x 30m each.
  • Construct dryers using durable and locally available materials suited to coastal environmental conditions.
  • Install 20 drying racks suitable for sardines and seaweed processing.
  • Ensure proper ventilation, pest-proofing, and weather protection systems.

Quality Assurance and Supervision

  • Supervise all construction works to ensure adherence to specifications and safety standards.
  • Conduct functionality checks and commission completed structures.

Community Training

  • Provide practical training to processors and farmers on dryer operation, maintenance, hygiene, and sustainable management.

Reporting

  • Prepare inception report.
  • Provide technical designs and construction schedule.
  • Submit completion and handover report with photos, user guidelines, and recommendations.

Deliverables

  • Inception and Site Assessment Report
  • Technical Designs for two solar dryers (8m × 30m)
  • 20 Drying racks Installed
  • Completed Construction of two functional solar dryers with 20 drying racks
  • Training Report documenting capacity building sessions
  • Completion and Handover Report with photos and user guidelines

Qualifications and Experience of Consultant

  • Proven experience in constructing agricultural or food processing structures
  • Knowledge of climate-resilient and food safety construction standards
  • Capacity to provide hands-on training to community groups

Submission Requirements

Interested consultants should submit:

  • Technical Proposal (methodology, workplan, team composition)
  • Financial Proposal (detailed cost breakdown)
  • Evidence of similar assignments (with references)
  • Drawings/designs of proposed solar dryers

Application Procedure

Submit proposals via email to:
eastafrica.recruitment@rikolto.org

Deadline

29 November 2025

Indicate: Construction of Two Solar Dryers – Tanga

Engagement duration: 20 days (subject to extension)

If you don’t hear from us after 7 days consider unsuccessful.