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Drainage gradient

Drainage gradient (DG) is a term in road design, defined as the combined slope due to road surface cross slope (CS) and longitudinal slope (hilliness). Although the term may not be used, the concept is also used in roof design and landscape architecture.If the drainage gradient is too low, rain and melt water drainage will be insufficient. This results in water pooling on the road surface, thereby increasing the risk for hydroplaning and wet-pavement vehicle crashes.

Drainage gradient

  • Practical Action Consulting Limited

    Type: 
    Organisation
    Knowledge partner
    Country of registration:
    United Kingdom
    Relation to CTCN:
    Network Member
    Knowledge Partner

    Practical Action Consulting (PAC) is the consulting arm of Practical Action, an international non-governmental organisation that uses technology to challenge poverty in developing countries. Through technology PAC enables poor communities to build on their skills and knowledge to produce sustainable and practical solutions - transforming their lives forever and protecting the world around them. Every year PAC uses technology to help over 1 million people out of poverty.

     

  • Wind energy solutions

    Type: 
    Product

    Israwind is a leading small wind turbines manufacturer. We design manufacture and sell small wind turbines provide comprehensive package of technical support for system integration installation and maintenance including integration of hybrid Wind-Solar - Diesel-generator power generation equipment power storage and inverters in Israel. Israwind hybrid wind -solar systems are techno-economically viable for rural electrification. Our ComSpin C wind power solutions are designed to power a different types of telecom sites at grid-connected and off-grid locations worldwide.

  • 10 Questions to Ask about Distrubuted Generation

    Type: 
    Publication
    Publication date:

    This paper provides a framework for stakeholder engagement regarding the common questions and challenges that arise in the context of planning for and implementing distributed generation (DG) options to address the electricity access gap. The questions addressed in the framework shed light on the key considerations necessary for the long-term sustainability of DG projects. The key considerations are presented as questions with short explanations of their relevance.

  • DG Consulting Ltd

    Type: 
    Organisation
    Country of registration:
    Georgia
    Relation to CTCN:
    Network Member

    DG Consulting limited is  a professional consulting company, focusing on consultancy services  in development and  construction in  water and environment sector in Georgia and Worldwide.The Company has very specific experience working with mineral and fresh water, beverages and soft drink producer companies for water related issues, inclusive of   water treatment, initial water preparation, removal of specific components, QA/QC etc.In water sector, company is providing full cycle of consultancy services to private clients, development banks, international financial institutions etc.

  • National Monitoring Systems for Adaptation (Spanish)

    Type: 
    Publication
    Publication date:
    Objective:

    En este informe identificaremos, analizaremos y compararemos buenas prácticas internacionales de diseño e implementación de indicadores para sistemas de monitoreo y evaluación para la adaptación al cambio climático. El primer capítulo ofrece una introducción al contexto y la terminología clave en el tema de adaptación al cambio climático e indicadores de M&E para la adaptación. El segundo capítulo analiza los enfoques de M&E existentes, mientras que el capítulo 3 ofrece un panorama general de los enfoques de M&E para la adaptación al cambio climático.

  • Development of a business plan for rural electricity generation (DG) system based on biomass

    Type: 
    Publication
    Publication date:
    Objective:
    Sectors:

    Background

    To develop a commercial model for biomass distributed electricity generation based on an assessment of development needs namely technology financing mechanisms capacity building at local level for establishing RESCOs.

    Purpose

    Create and manage a web site during the project period

    Implementor

    DSCL Energy Services Limited