Terms of reference: Supply and install, and commission twenty-one (21) nipple drinker
Tenders
- World Vision
- Expires 26 Jan 2026
- Harare
- Full Time
Job Description
Terms of reference
Scope of Work – Supply and install, and commission twenty-one (21) nipple drinker lines, each
measuring 60 metres, complete with a Dosatron medicator panel. Fowl Run size is 60 metres x
10metres.
Project Title:
Supply, delivery, installation & commissioning of twenty-one (21) nipple drinker lines, each
measuring 60 metres, complete with a Dosatron medicator panel in Tongogara Refugee Settlement
which is 165km from Mutare and 420km from Harare in Chipinge District.
Implementing Partner:
World Vision Zimbabwe – Tongogara Refugee Settlement
Target Beneficiaries:
70 participating farmers for the poultry project
1. Project Objective.
The intervention aims to improve availability of clean water at all the times to the birds both at day
and night.
1.1 Improved Water Hygiene
• Modern drinkers (such as nipple drinkers) minimize water contamination because birds
cannot step into or spill water.
• Reduces the risk of bacterial growth and disease transmission, leading to healthier flocks.
1.2. Reduced Water Wastage
• Nipple drinkers and medicator systems deliver water directly to the bird’s beak, preventing
spillage.
• Saves water costs and reduces wet litter problems, which can cause ammonia buildup and
footpad dermatitis.
1.3 . Consistent Water Supply
• Automated drinker systems ensure birds have continuous access to clean water.
• Supports optimal growth and feed conversion rates, especially in large-scale operations.
1.4. Labor Efficiency
• Less time spent cleaning and refilling traditional troughs or open drinkers.
• Allows staff to focus on other critical tasks like monitoring flock health and feed
management.
1.5. Better Litter Quality
• Dry litter reduces odor, ammonia, and disease risks.
• Improves bird comfort and reduces culling due to foot problems.
1.6. Medication and Supplement Integration
• Modern systems often include medicator panels (e.g., Dosatron) for easy administration of
vitamins, vaccines, or treatments through water.
• Ensures accurate dosing and uniform distribution across the flock.
1.7. Scalability and Automation
• Suitable for climate-resilient poultry houses and large fowl runs.
• Can be integrated with automated monitoring systems for water pressure and flow.
1. Project Overview
The purpose of this assignment is to supply, install, and commission twenty-one (21) nipple drinker
lines, each measuring 60 metres , complete with a Dosatron medicator panel, pressure regulation
systems, and a fully functional manual winch and pulley mechanism for height adjustment. The
system must support efficient water delivery, medication dosing, and optimal poultry house
management.
Duties and Responsibilities
N/A
Qualifications and Experience
2. Detailed Technical Requirements
2.1 Nipple Drinker Lines
The contractor shall supply and install:
21 units of 60-metre nipple drinker lines
Standard nipple spacing not exceeding 0.27 m
High-quality, corrosion-resistant pipes designed for poultry environments
Nipple drinkers suitable for broiler/layer production, ensuring consistent flow rates
2.2 Dosatron Medicator Panel
Each line shall be connected to a fully integrated Dosatron medicator panel, featuring:
Dosing pump compatible with poultry medication and supplements
Mixing chamber and inlet filtration unit
Pressure-stabilising components
Bypass and isolation valves for ease of maintenance
Calibration and testing prior to commissioning
2.3 Pressure Regulation & End Sets
All supplied drinker lines must include:
Pressure regulators suitable for maintaining consistent flow along 60 m lines
End sets including:
o End caps
o Flush valves
o Air release valves
Fully fitted connectors and fittings for seamless integration into the existing water system
2.4 Manual Winch and Pulley System
Each drinker line shall be equipped with:
A manual winch device
A pulley system designed for:
o Smooth height adjustment
o Easy raising and lowering of drinker lines during cleaning, maintenance, and bird
growth stages
Galvanised or stainless-steel components to ensure durability and corrosion free.
3. Installation Requirements
The contractor shall:
Conduct on-site measurements and confirm compatibility with existing structures
Install all equipment according to manufacturer specifications
Ensure proper alignment and spacing of drinker lines
Test pressure levels, flow uniformity, and dosing accuracy
Provide protective housing for medicator panel if required
Conduct a full system flush and operational verification
4. Commissioning & Handover
Upon completion, the contractor shall:
Demonstrate full operation of all drinker lines, regulators, end sets, and winch systems
Provide training to farm staff on:
o Operation of nipple drinker systems
o Use and calibration of the Dosatron medicator
o Routine maintenance and troubleshooting
Submit:
o Operation & Maintenance Manuals
o Warranty documents
o As-built layout drawings
5. Warranty
The contractor must provide:
Minimum 12-month warranty on all mechanical, dosing, and structural components
Warranty covering defects in materials, installation workmanship, and system performance
6. Deliverables
21 fully installed and tested 60 m nipple drinker lines
Operational Dosatron medicator panel
Complete accessory sets (pressure regulators, end sets, winches, pulleys)
Training and documentation package
Final commissioning report
7. Compliance
How to Apply
All supplied equipment must:
Meet relevant poultry production standards
Comply with manufacturer installation requirements
Be new, genuine, and free from defect
Contacts & Clarifications: Questions must be submitted in writing to:wvzprocurement-
harare@wvi.org.
Closing Date & Time:
Monday, 26 January 2026 at 1200 hours
Submission Instructions:
The tender should be clearly labelled with the tender description.
Submit in the tender box located at:
World Vision Zimbabwe National Office
59 Joseph Road, Mount Pleasant, Harare
World Vision Zimbabwe reserves the right to accept or reject any tender in whole or in
part without assigning any reason
