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This Subunit Implementation Plan (SIP) elaborates on the Feasibility Study that was done in 2013 at the level of the (hydrological) subunit. It assesses the development options with regard to Water infrastructure, Operation & Maintenance, Agriculture, Fisheries, and Income generation, and gender. It also considers safeguards in respect of indigenous people, the poor and vulnerable, and the environment.


The subunit area is located in the SW part of the Rajbari District and is spread over Rajbari Sadar and Baliakandi Upazila under Rajbari Dist. and Modhukhali Upazila under Faridpur Dist.  Administratively the area is covered by 4(Four) unions namely Basontapur, Sultanpur, Jamalpur, and Gazna within Rajbari Sadar, Baliakandi  Upazila and Modhukhali Upazila.  It comprises 3072 hectares, 4 WMGs with 10 villages. There are 1,751 households with a population of 9,694.

Water management

The water infrastructure will benefit from a major overhaul: rehabilitation of two structures and re-excavation of khals/rivers over a total length of 38.07 km will reduce flooding and drainage congestion and thus benefit agricultural production. The cost of rehabilitation is estimated at some Tk.1635.96 lac.

Operation and Maintenance

The Water Management Association of the subunit will sign an Agreement with the XEN-BWDB about sharing O&M responsibilities. The operation of the infrastructure will be decided by the Water Management Association at the subunit level.

A Maintenance Plan for the subunit-IV has been formulated where responsibilities have been delineated and costs for maintenance worked out. The total cost of preventive and periodic maintenance for subunit-IV has been estimated as Tk. 45 lac per annum of which WMA share would be Tk. 15 lac with BWDB bearing Tk. 30 lac. The WMA/ WMG share comes to Tk.260/ ha/ year. The cost of WMO training has been estimated at about Tk. 8 lac.


The gross area of the Rajapur Scheme (SIP-4) is 3072 ha. And net cultivable area is 2,283 ha. The present cropped area is 5,609 ha. with a Cropping Intensity of 246%. The future total cropped area has been estimated at 6,155 ha. with a Cropping Intensity of 270%. Production of cereal crops will be increased by 4,269 metric tons (68%) and other crops by 1,636 metric tons (12%) with an overall increase in production by 5,906 metric tons (29%) after rehabilitation of the Sub-project. Rice production has been estimated to be increased from 5,883 to 9,796 MT per year with an additional increment of 3,913 MT representing an estimated added value of Tk 880.42 lac. The average yield of rice has been estimated to be increased from 3.42 ton per ha. to 4.51 ton per ha.

To improve the existing agricultural conditions and to transfer the modern technology to the farmers’ level Training, Demonstration, Farmers’ Field School (FFS), Workshop, Fair, and Motivational Tour have been planned for implementation by the project. The cost of agricultural development (enhancement) activities of the SIP has been estimated at Tk. 18.36 lacs for the entire project period.


There are about 400 ha of fisheries resource in the subunit area among them 91 ha in culture fisheries and rest of 309 ha in capture fisheries, and the estimated total production is 287 MT/year (Table-01, Annex -4). Culture fish production can be increased from 248 MT to 369 i.e by 121 MT but capture fish production will be decreased from 39 MT to 19 MT i.e by 20 MT, after rehabilitation of this subunit area and the total annual incremental benefit would be Tk. 88 lac (Table-3, Annex-4).

Financing of the fisheries activities would require both beneficiary and project contributions. Beneficiaries will be responsible for all direct inputs cost required for fisheries production, both culture and capture because they will manage the activities through CAPs. The project will bear the cost of demonstration, basic training, refreshment training and motivational tour. The training cost (excluding the preparation of modules) amount to some TK. 17 lac (Table-4, Annex-4)

Socio-economics and gender

The SIP-IV area comprises 10 villages and 4 Unions partly or fully, under Rajbari and Kaluakhali  Upazila of Rajbari district. The total gross area of Subunit- IV is 3072 ha. The land per household is 0.22 ha, which is much lower than the national average of 0.8 ha. The percentage of farmers is 31.42%. The river Horai River follows at the middle side of the SIP-IV area. Hazarkhali Khal, Hazarkhali BR-I, Hazarkhali BR-2, Goalanda Chitra khal, Mashalia khal, and other small khals crossed the SIP-IV area, which is connected with the Horai river. Two union parishads are located inside the boundary of SIP-IV. The total households of the surveyed area of SIP-IV is 1751 and the population is 9694. The sex ratio is defined as the number of males per 100 females. In Horai River SIP-IV, it is 53% male against 47% female. The average household size of the surveyed households is 3.97. The age group 18-45 of the population is 47.79%, followed by children <17 years 32.70%, The population who are in between  18-60 years considered as a working-age group or productive population. The data shows that the working-age group of the surveyed population is about 62.14%. The percentage of female-headed and male-headed households is 4.11% and 95.89% respectively. No national data is available to compare male and female-headed household percentage of the sub-project. However, the result is consistent with other sub-projects where the percentage is less than 10%. Farming is the main occupation of all categories of farmers 31.42%, followed by business 25.41%, service 19.98%. The other occupation is 15.59%, which includes; daily wage laborers, fishermen, hawkers, traders. The wage laborers are mostly found in landless, marginal, and small farm families. Fish farming, trading, and business as a family occupation is found in all level farmers. The actual fisherman is very exceptional. Landless, marginal, and small addition there are households who have zero assets and they are called extremely vulnerable or destitute. On average there are 2-3 persons per village. A total of Tk.2915000 has been allocated for the improvement of the poor and vulnerable people of the SIP-4 of the Horai River subproject area.

WMO formation  and development: 

WMO formation process commenced with mobilizing Facilitators (CFs &SFs) and awareness creation. Union-level consultation was conducted and consent for rehabilitation work has been obtained from the communities. As the population has increased significantly since the Feasibility Study (FS) time, the project “re-demarcated WMG areas”. Consequently, 04 # of WMG's was planned during the Feasibility Study (FS) which could not be extended due to the existence of LGED. Elections were held and all the WMG's have been formed.

Participatory mechanisms will be adopted for developing and reaching consensus on “WMG-wise water and land use plans”, mainly for crops, fishery, and other IGAs. Facilitators guided by ISPMCs and PMO staff will assist WMGs to implement these Plans. Sub-committees are established “focussed attention” on specific tasks of WMO. There will be O&M Agreements between WMA and BWDB.

The Subunit Implementation Plan should have practical implementing mechanisms to establish “horizontally and vertically integrated WMO Network”, with WMG as the “Base” organization. WMO Network (WMG-WMA) would be utilized by line agencies like BWDB, DAE, DoF, and other line agencies (in their Extension and Input Services).  WMO's need to be equipped with appropriate technology. WMO's should organize Collective Action, CA for effective O&M, to provide WMO-managed input-output services to members in agriculture, fishery, and other income-generating activities and value-addition. WMO's will also develop partnerships with the Private Sector and undertake business ventures.


Lastly, a monitoring plan is given in order to monitor the progress of WMO formation and development, as well as the outcome (results) of the Subunit Implementation Plan.

Proposed civil work under the SIP described below-

SIP- 4 /WMA- 4

(gross area )

No. of WMGs

Type of Infrastructure



3072 ha


Regulator/ Pipe Sluice

Rajapur Reg. 8v-1.5x1.8m

1 nos.


Hazrakhali 1v-1.5x1.8m

1 nos.




Horai River

9.43 Km

Silted up

Horai River Branch-1 Khal

3.3 Km

Silted up

Horai River Branch-2 Khal

2.40 Km

Silted up

Mora Kumar River

13.185 Km

Silted up

Masalia Khal

1.50 Km

Silted up

Goalondo/Chitra Khal

4.25 Km

Silted up

Hazrakhali Khal

4.00 Km

Silted up

Total Khal

38.07 km

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