Terms of Reference
Supply and installation of Deep Tube Wells
Nepal Water Supply Corporation - Lahan branch office and Dada tole Water Supply and Sanitation Users Committee (WSUC) in Lahan Municipality, Lahan Municipality
WaterAid is an international not-for-profit organization, established in 1981, determined to make clean water, decent toilets and good hygiene normal for everyone, everywhere within a generation. We change millions of lives every year, working in 28 countries to provide clean water, decent toilets and good hygiene.
Since we started in 1981, we’ve remained resolutely focused on tackling these three essentials that transform people’s lives. Without all three, people can’t live dignified, healthy lives. With all three, they can unlock their potential, break free from poverty, and change their lives for good. Children grow up healthy and strong, women and men get to earn a living, whole communities start to thrive. It sounds normal and it should be.
By inspiring people and sparking chain reactions we help deliver lasting change in what’s normal. By working closely with partners internationally and on the ground in some of the toughest places in the world, we help achieve widespread change. Millions of people have already taken control of their lives and built better futures.
WaterAid has been working in Nepal since 1987. Our work in Nepal spans across 9 districts. We team up with local partners, technical experts, governments and communities to support the delivery of integrated WASH services in hard-to-reach communities, helping to transform lives.
WaterAid Nepal is currently implementing the Project entitled “The Beacon Project: Municipality Wide equitable WASH Services in Lahan: A joint initiative of Anglian Water, their Alliance partners, WaterAid, and Nepal Water Supply Corporation (NWSC)” in Lahan municipality, Siraha District of Nepal. The overall objective of the project is to support Nepal to achieve the Sustainable Development Goal for water and sanitation by implementing the WASH sector plan. The specific objectives are to:
1) Model a municipal-wide approach in Lahan as part of the district-wide model for Siraha district.
2) Support the efficiency and expansion plans of NWSC in Lahan with a focus to reach marginalized and poor communities
3) Leverage the model in Lahan for district and national benefit.
With the changes in time, context and need, WaterAid as a development agency also needs to align with the changes and pave the path accordingly to move ahead. In the current context of Nepal, where majority of the rural areas are in transition to transform to the small towns of municipal towns, their needs are also changing accordingly. In these contexts, the unsystematic and unsupervised borehole drilling and construction that were done in the past years needs to be changed and come up with new mode of thinking technically and systematically. In this regard, WaterAid visualized that the technical endeavours in borehole drilling and its supervision is of paramount importance if one thinks of their sustainability and appropriateness technically.
Beacon project aims to support technically to NWSC to increase the efficiency of the existing tube well system network and add two more deep tube wells to supply the chlorinated water to the increasing population of Lahan Municipality and also support one of the Water user committee named Dada tole WSUC with one borehole to build a resilience in their system.
One of the integral components of this project being Water Resources. This component aims to ensure the improved water production, monitoring and prevention of possible contamination. This can be attained with the greater functionality and sustainability of water sources which in Lahan mostly are boreholes. Under this component, Beacon project aims to support technically to NWSC in the construction of model boreholes in Lahan municipality for its replication and scalability to other branches and within Lahan as well.
It is crucial that boreholes are delivered in a cost-effective manner. Cost effectiveness means getting the long-term best value for money invested, i.e. boreholes continue to function through the lifespan of 20 to 50 years. One of the best ways to tackle the poor borehole construction is to improve the quality and professionalism of water well drilling including supervision (Rural Water Supply Network (RWSN), 2014). In addition, ensuring compliance with the relevant Nepal standards and/or Indian standards regarding the material quality also ensures the standardised product. Thus, it is desired to bring the competitive and excellent drilling company to undertake drilling and construction of Deep tube well for NWSC Lahan and also in one of the water user committee at ward 24 as part of support from Beacon project.
NWSC currently have ten functional boreholes as their key production & stand by sources located at different locations. As per the increase in population, additional boreholes need to serve for the municipality.
Increasing population and adverse climatic conditions in the years to come may create water stress. Therefore, the need of water per household needs to decide the number of future tube wells. So, additional tube well needs for increasing population and rehabilitation of the existing well, could be the reasonable solution.
Two new boreholes are proposed for NWSC Lahan and one for the Dada tole WSUC located at ward 24. As all the current NWSC boreholes are located at Northern side of the highway and no boreholes are present in Southern side of the highway. This is huge risk for both NWSC and the consumers from the water security perspective. For instance, the highway expansion project along the section in Lahan will eventually disrupt the NWSC network connectivity between the Highway south and Highway North resulting in huge challenge in coping with the water stress situation for the currently serving 953 NWSC connected Household (Approx. 4726 population) at the highway South. Thus, to improve the water security and build the resilience of the NWSC system to operate from Highway south as well, new boreholes are very important. For this, the land at the highway south in the Adharbhut Vidhyalaya Singrahi, Matiarwa has been approved by the School Management committee (SMC) and letter has been circulated to NWSC for borehole construction on 15 August 2023.
The overall objective of the work is to establish new boreholes to supplement the current and future drinking water demand of NWSC Lahan and Dada tole Water user committee. The specific objectives of the work will be to:
Supply and install additional two deep tube wells in two locations of NWSC Lahan facilities. (Refer Annex I - Detail technical specification and Bill of Quantities)
Supply and install additional one deep tube wells in one locations Dada tole water users committee – ward no24. (Refer Annex II - Detail technical specification and Bill of Quantities)
Develop well and perform pumping test/recovery test as per the technical specification.
For detailed ToR please "CLICK HERE"
For Annex_1 BOQ Please "CLICK HERE'
For Annex 2_BOQ Please "CLICK HERE"
For Final Annex 1 please 'CLICK HERE"
For Final Annex 2 please "CLICK HERE'
For Annex V Drawing Map please 'CLICK HERE'