Lemah Abang

Item	Description
1. Name of Project	Lemah Abang Irrigation Sub-Project
2. Location	(1) General Layout is shown in Figure A-1. (2) Project Location and Administration · Province : West Java · District : Bekasi · Sub-district : Cikarang Timur, Cikarang Utara, Karang Bahagia, and Suka Karya 50 km southeast of Greater Jakarta.
3. Objective	(1) To enhance rice production through water resources development (2) To increase the income of inhabitants in and around the project area (3) To raise the farmers living standard (4) To increase employment opportunity in the area (5) To contribute to the development of the rural socio-economic conditions
4. Type of Development	(1) Rehabilitation of irrigation and drainage systems This project is a part of the command area of Jatiluhur Irrigation Project. This project was selected as a model project for proportional water distribution.
5. Irrigation Development Area	(1) Whole project area : 3,547 ha (2) Target area under PTSL-II : 3,547 ha
6. Water Supply and Water Requirement	(1) Water source: West Tarum main canal through the Cilemah Abang River. The irrigation water is taken from the existing Lemah Abang Barrage constructed in the Cilemah Abang River. (2) Available water supply: as shown in Table A-1 (3) Irrigation water requirement: as shown in table A-2 (4) Design unit water requirement: 1.53 l/sec/ha.

B. Contribution of the Project to Water Resources/Irrigation Development

Item

Description

1. Necessity of the project

Entering the 1990s the self-sufficiency of rice in Indonesia is facing a crisis. Rice production is quite abnormal and irregular compared with the 1980s. The average unit yield of rice stands stationary in the 1990s. The expansion of irrigation area lost momentum in the 1990s, and the rice import resumed from 1994. Under such situation, the Government has adopted a policy of food security and sustenance of self-sufficiency in rice production.

The crop intensity of paddy fields in Indonesia is as low as 119% that indicates a possibility to expand the harvested area and thereby to increase the rice production through the irrigation development. In 1999, there was about 2.1 million ha of rain-fed paddy fields and 1.17 million ha of upland paddy fields in Indonesia, for which the irrigated agriculture can be efficiently introduced without major problems such as transmigration, large-scale land development, social infrastructures, etc.

In order to promote the food security and sustenance of self-sufficiency in rice production, the government is keen to implement the irrigation development being effective for rice production, quick yielding and cost effective

The primary objective of PTSL-II is to enhance rice production through water resources development such as irrigation projects or pond/dam projects, contributing to the self-sufficiency of rice in Indonesia.

2. Beneficiary Area

Most of the project area is served with the irrigation facilities, but due to the deterioration and damages of the existing irrigation and drainage facilities inclusive of on-farm system, even distributed irrigation water is not attained. Especially at the tail end of each canal system, water shortage occurs. The basic development constraint is the damages of irrigation and drainage facilities, and the lack of efficient water management system.

· Irrigated paddy field: 3,547 ha

· Upland: - ha

With the project implementation, the principal benefit of the project is as follows:

· Increase of cropping intensity from 160% to 200%

· Increase of unit yield of crop by introducing the stable water supply system.

C. Project Area

1. Water resources	The irrigation water for Lemah Abang sub-project is supplied by West Tarum Main Canal through the Cilemah Abang river crossing at BTB 29 (No. 29 diversion) of the said main canal, and the water is then caught by the Lemah Abang Barrage which was constructed in 1993. Clarification and confirmation regarding the discharge supplied from Jatiluhur Dam was carried out and Jasa Tirta–II has confirmed the required irrigation demand with the maximum rate of 3.95 m³/s from BTB 30A.
2. Land use	The present land use is as shown below. · Irrigated paddy field: 3,547 ha · Rain-fed paddy field: - ha Result of site visits has revealed that most of farmers are keen to increase the living standard, therefore canal rehabilitation is required to provide a reliable and a continuous supply of irrigation water.
3. Institutional set-up	West Java provincial government has commenced the formation of WUAs. There are 4 WUAs that were established based on new government regulations therefore during implementation stage of this sub-project the formation of WUAs shall be implemented because a continuous supply of water will be provided.
4. Environmental issues	· The construction work for Lemah Abang sub-project area has been completed once in 1979 therefore no countermeasures plan is required for land acquisition. · The area in which the works are to be carried out is one that is already used for agriculture. The area is therefore one in which the flora and fauna has adapted well to a managed agricultural system. · There is no major negative environmental impact because there will be no major change in the appearance of the landscape, no disturbance on the existing natural habitats, and no loss on historical, cultural and religious sites.

D. Project Scope

	Item	Scope of Work
1.	Main Irrigation Canal System
	(1) Rehabilitation of existing secondary canals
	Sukatani secondary canal	14.50 km
	Galongggong secondary canal	6.33 km
	Kahuripan secondary canal	4.15 km
	Kobaklompong secondary canal	3.18 km
	Lemah Abang secondary canal	4.01 km
	Kalenderwak secondary canal	4.65 km
	(2) Construction of secondary irrigation canal
	Kalenderwak secondary canal	0.59 km
	(3) Rehabilitation of irrigation canal related structures
	Intake structure	2 nos.
	Off-take/diversion structure	56 nos.
	Measuring structure	- nos.
	Culvert	16 nos.
	Bridge	4 nos.
	Aqueduct	- nos.
	Cross drain/Drain Culvert	19 nos.
	Drop	- no.
	Foot bridge	7 nos.
	Washing step	2 nos.
	Waste way/Spillway	7 nos.
	Outlet	1 nos.
2.	Drainage Canal System
	(1) Rehabilitation of secondary drainage canals (8 canals)	35 km
	(2) Rehabilitation of drainage canal related structures
	Bridge	- nos.
	Culvert	- nos.
	Drain inlet	- nos.
	Foot bridge	- nos.
	Drop structure	- nos.
3.	On-farm System
	(1) Rehabilitation of tertiary canal system	3,547 ha

After review and finalization of the existing design, the following project works were increased from the original scope:

(1) Canal Lining

The joint walkthrough with the beneficiaries, project office staff and PTSL-II Consultant was conducted to grasp the actual required improvement of existing irrigation and drainage facilities. The project scope was confirmed on the basis of the joint walkthrough resulting in the increase of canal lining.

(2) Tertiary Canal

The tertiary canals, which have been constructed about 20 years ago, are heavily damaged and do not function well. The tertiary canal improvement for 3,547 ha is newly required.

(3) Drainage Canal

Due to insufficient water supply, farmers attempted the water diversion from drainage canals by constructing temporary closures which resulted in the damaged drainage system and sedimentation in the drainage canals. The improvement of drainage canals of 35 km is newly required.

E. Implementation Schedule

The implementation schedule of the project is presented as follows:

(1) The civil work of the main irrigation systems will commence in January 2004 and be completed in July 2006 for a construction period of 30 months.

(2) The civil work of the drainage canal improvement/tertiary system will commence in March 2005 and be completed in February 2007 for a construction period of 24 months.

F. Organization and Management Structure

I. Organization for Implementing the Project

Item	Description
1. Executing Agency	Directorate General of Water Resources, Ministry of Settlement and Regional Infrastructure
2. Implementation Management	Implementation of Lemah Abang Irrigation Sub-project is managed by the sub-project manager of Lemah Abang Irrigation Sub-project/Bag-Pro Wilayah Jatiluhur Barat.
3. Monitoring and Management	· At the sub-project level, the sub-project manager will monitor and control physical and financial control of the project work under the guidance of the West Java Irrigation Project Manager and the Chief of Provincial Water Resources Services. · At the central level, Directorate of Water Resources in Central Region (DWRC) is responsible for monitoring the progress of the project. DWRC will report the progress to Directorate of Technical Guidance (DTG). · DTG will compile the information together with other sub-projects information to prepare the progress report to JBIC. The organization and management structure of the project implementation is as per attached in Figure G-1.
4. Payment Procedure and Monitoring of Financial Progress	· Direct payment is applied to the civil work contractors. · Any payment will be processed with the confirmation of the contents of invoices by the PTSL-II consultant. The flow chart of payment and monitoring procedure for financial progress is as per attached in Figure G-2.

II. Organization of Operation and Maintenance

Appropriate operation and maintenance activities by Water Users’ Associations will be incorporated in O&M of the project through the formation and empowerment of the WUAs on the basis of the Government Regulation of Irrigation Turnover (PKPI).