local.xml

    <catalog_product_view><!-- product view -->
        <reference name="root">
            <action method="setTemplate"><template>page/1column.phtml</template></action>
        </reference>
        <!-- <reference name="my-related-products">
            <update handle="catalog.product.related" />
        </reference> -->

        <update handle="my_related_products" /> 
    </catalog_product_view>

     <my_related_products>
        <reference name="root">
            <block type="catalog/product_list_related" name="catalog.product.related" before="-" template="catalog/product/list/related.phtml"/>
        </reference>
    </my_related_products>