How to Design a Retaining Wall Project
From: blockvideos on 02 Sep 2007
Category: Landscaping
Description: Learn how to design your retaining wall (more...)project. This video takes you step-by-step through Allan Block retaining wall design considerations. Some of the topics include: wall height, slopes above and below the wall, surcharges, setback or batter of the wall, gravity walls vs geogrid reinforced walls, patterned walls, terraced walls.For more info, visit www.allanblock.com. (less)
Plumbing - how to install sump pumps
From: PlumberSurplus on 05 Sep 2007
Category: Plumbing
Description: Learn what sump pumps are used for, why (more...)they are important and how they are installed and maintained in this video. This is a perfect educational tool showing an actual replacement installation. (less)