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

Date Published: October 25, 2016

Under the Infrastructure Development Component, the following are the eligible subprojects:


  • Farm-to-market Roads (FMRs)
  • Bridges
  • Communal Irrigation System/Project (CIS/CIP)
  • 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/marine protected areas, tram lines, green houses, solar driers, watch towers, nursery watch towers and slope stabilization works; and ii) municipal/provincial roads, cold storage facilities and trading posts but need prior concurrence from the NPCO and the World Bank.


The abovementioned subprojects must follow the allowed specifications and indicative cost stated below:


FMRs and Bridges


Type of Subproject

Indicative cost

 Concreting of existing roads (5 meters [m] carriageway) P10,000,000/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 per 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 width[1] 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 mmz 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.
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



·      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 meters; RCDG for span length of 13–20 meters; and PSCG for span length of 21–30 meters.

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)

[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 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.



Communal Irrigation System/Project


Type of Subproject

Indicative cost

CIS Rehabilitation P 100,000/ha
CIP Construction P 150,000/ha


Geometrical Design and Specifications



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 meters 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/sub-


Note:  Canal concrete lining shall not be allowed unless justified by measurement of water losses or other justifiable 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 roadcrossings 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 per household
PWS New Construction P16,000 per household


Geometrical Design and Specifications



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 23°C 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 Enterprise Development Component fall under two sub-components as follow:


  1. Rural Agri-fishery Enterprise and Productivity Enhancement

  • Production and productivity activities for crops (e.g., vermicast production, establishment of nurseries, 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, 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.


  1. The Technology and Information for Enterprise and Market Development

  • Research and development extension system (e.g.s 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


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