What subprojects are eligible for funding under the PRDP? What are the corresponding standard specifications and unit costs?

Date Published: June 7, 2017

Under the I-BUILD Component, the following are the eligible subprojects:


  • FMRs
  • Bridges
  • CISs/CIPs
  • PWS
  • Other types of rural infrastructures needed to enhance the productivity and give value-added qualities to products in the agri-fishery industries in the priority value chains, i.e., (i) production facilities, postharvest facilities, marketing facilities, fish landings, fish sanctuaries, tramlines, greenhouses, solar dryers, watchtowers, nursery watchtowers and slope stabilization works; and (ii) cold storage facilities and trading posts.


The abovementioned subprojects must follow the allowed specifications and the indicative costs serve as reference as stated below:


Farm-to-Market Road and Bridge

Type of Subproject Indicative Cost
Concreting of existing roads (5 meters [m] carriageway) P10,000,000.00/km
Concreting of new road or new road opening P 12,000,000/km
Single-lane bridges (4.6 linear meter) P 350,000.00/linear meter
Two-lane bridges (5.6 linear meter) P 500,000.00/per linear meter


Geometrical Design and Specifications

Road Classification (FMR) Geometrical and Design Specifications
and Scheme
Pavement Type Portland Cement Concrete Pavement (PCCP)
Width Minimum of 5 m for two lanes
Minimum[1] width maybe relaxed in mountainous terrain.
Thickness Minimum of 150 millimeters (mm) or 6 inches. Higher thickness is allowed but shall be verified from pavement design analysis using AASHTO method. The sub-base or base course is 200 mm in thickness.
Shoulder Minimum of 1.5 m and gravel surfacing
Cross Slope 1.5% for PCCP and 3% for gravel surfacing
Radius of Horizontal Curve Minimum of 30 m
Length of Tangent between Reverse Curve Minimum length of 30 m
Length of vertical curve Minimum length of 60 m
Design Speed 30 km/hour for all terrain
Longitudinal Grade Minimum of 0.5% on cut section and maximum of 12% on fill/cut section. The maximum grade[2] maybe relaxed in mountainous terrain up to 15% for short distances below 100 m and up to 18% for short distances below 50 m.

[1]The adoption of specifications below 5-meter carriageway (exemption sought by CAR region) must be technically assessed on a per-subproject basis along with the following: (i) type of traffic and (ii) degree of environmental degradation with cost of mitigating measures, i.e., slope protection works outweighing the benefits or resulting EIRR below the hurdle rate of 15%.
[2] Exemptions sought for mountainous terrain


Road Classification (FMR) Geometrical and Design Specifications
and Scheme
Side Slope Ratio (H:V) • Cut slope of 1.5:1 to 1:1 for common materials
• Cut slope of 0.5:1 to 1:1 for rippable rock
• Cut slope of 0.25:1 to 0.5:1 for hard/solid rock
• Minimum fill slope of 1.5:1
Road Drainage • Box Culvert – design for 25-year flood with sufficient freeboard to contain 50-year flood
• Pipe Culvert – design for 15-year flood with sufficient freeboard to contain 25-year flood. Minimum pipe size of 910 mm in diameter.
Bridge Structure Geometrical and Design Specifications and Scheme
Bridges • Permanent structure must be concrete or steel
• DPWH DO No. 30 Series of 2011 prescribing concrete structures for short bridges in he following schedule: use flat slab bridge for span length of 6–12 m; RCDG for span length of 13–20 m; and PSCG for span length of 21–30 m.
Design Structural design based on AASHTO HS15-44, using 0.4 g ground acceleration coefficient for seismic analysis and 50-year flood frequency for hydraulic analysis.
Carriageway Width • Use 4.6 m (for 4.0-m roadway width) under footnote 3.
• Use 5.6 m (for 5.0-m roadway width)


Communal Irrigation System/Project

Type of Subproject Indicative cost
CIS Rehabilitation P100,000/ha
CIP Construction P150,000/ha


Geometrical Design and Specifications

Component Geometrical and Design Specifications
and Scheme
A. Diversion works Run-of-river type adopting ogee or trapezoidal sections or check gate or teruvian-type intake or other schemes as may be deemed appropriate by the design engineer
B. Main canals, laterals
and sub-laterals
Trapezoidal section with side slopes (SS) of
1–1/2:1 for most earth canals and 1:1 or 1:0 (rectangular) for lined canals;

Earth canals shall have a permissible velocity of not less than 0.30 m per second (m/sec) and not more than 1.00 m/sec.
Canal freeboard shall be 40% of designed water depth but not less than 0.3 m;

Canal top width shall be as follows:
– without operating equipment:
canal top width = 0.60 m;
– with operating equipment:
canal top width = 6.00 m (main canal);
canal top width = 4.00 m (lateral/sublateral)
Note: Canal concrete lining shall not be allowed unless justified by measurement of water losses or other valid reasons.

C. Structures
– Parshall flume

– Water level control
– Distribution control
– Thresher crossing

-1 unit located at 50 m downstream of diversion works along the main canal
-As needed
-As needed
-1 unit for every 500 m in the absence of road crossings along main canals, laterals and sub-laterals
D. Road and drainage
As dictated by actual canal alignment and terrain


Potable Water System

Type of Subproject Indicative cost
PWS Rehabilitation P12,000/household
PWS New Construction P16,000/household


Geometrical Design and Specifications

Scheme Geometrical and Design Specifications
A. Level II, deep well
Rainwater harvester (supplemental water source)
Adopt minimum of 150-mm diameter of casing with 50-mm diameter suction pipe and 10-mm diameter of gravel packing materials.

Cisterns/reservoir could be made of concrete or food-grade plastic containers, stainless steel or as maybe appropriate. The roof paint for catchment facilities are of food grade materials.

B. Level II, spring development Farthest house shall not be more than 25 m from the nearest communal faucet;
Designed to deliver at least 60 liters per person [capita] per day (lcpd);
Communal faucet to serve an average of 4 to 6 households;

Spring intake box made of concrete shall conform to a concrete strength of 3,000 pounds per square inch (psi) or 21 megapascal (MPa) with water proofing compound;

Ground distribution reservoir shall be located on high ground and if made of concrete, it should attain a 3,000 psi (21 MPa) concrete mix strength with water proofing compound;

Main pipeline shall be properly designed to withstand the static pressure and can be galvanized iron pipe or plastic pipe (unplasticized polyvinyl chloride or polyethylene) materials. The residual head at tapstand level must not be less than 3 m or pressure of 4.26 psi.

All pipes shall be rated for use of water at 23C and at a minimum working pressure of 1.10 MPa.

All plastic pipes shall be embedded at a minimum depth of 50 cm below natural ground. Communal faucets shall be of heavy-duty brass type provided with concrete apron.


Eligible subprojects under the I-REAP Component fall under two subcomponents as follows:

I. Rural Agri-fishery Enterprise and Productivity Enhancement

  • Production and productivity activities for crops (e.g. vermicast production, nursery establishment, etc.), livestock (e.g., multiplier farms, community-based feed mixing facility, etc.) and fisheries (e.g., seaweeds nursery and production, fish cages facility and aquaculture facility development, etc.)
  • Postharvest and processing equipment and facilities such as mills, warehouses and solar dryers, among others
  • Marketing facilities such as slaughterhouses and trading posts, among others
  • Natural Resources Management (NRM) – On-the-ground Investments such as fish sanctuaries, marine protected areas, agroforestry, stream bank stabilization, etc.


II. Technology and Information for Enterprise and Market Development

  • Research and development extension system (e.g., tissue culture, enhancement of breeder stocks production, development of climate-smart technologies, etc.)
  • Capacity-building or training (e.g., Good Agricultural Practices (GAP), Good Manufacturing Practices (GMP), Hazard Analysis and Critical Control Points (HACCP), product standards, business planning, and enterprise development and management, etc.)
  • Market development services (e.g., market promotion through trade fairs/caravans/cross visits, shelf-life testing of products, accreditation to enhance market access, etc.)


Global Environment Facility (GEF)-supported activities include:

  • Conservation and implementation investments
  • Coastal and marine ecosystem management implementation
  • Technical and operational capacities of stakeholders’ enhancement which includes strategic awareness campaign, stakeholders’ facilitation to pursue co-management arrangements, and knowledge generation and sharing


I-REAP enterprises can also be categorized into micro, small and medium enterprises (MSMEs). Adopting the definition of MSMEs as defined in RA 9501 or the Magna Carta for Micro, Small and Medium Enterprises, the following are the type of I-REAP subprojects by amount:

1. Microenterprise subproject – not be more than P3,000,000
2. Small enterprise subproject – P3,000,001–P15,000,000
3. Medium enterprise subproject – P15,000,001–P50,000,000



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