Method and apparatus for plastic duct bank manufacture

A method of forming a duct bank comprising:

• providing a set of rectangular templates;
• providing an array of circular holes in each rectangular template of the set of rectangular templates, arranged in a rectangular pattern;
• arranging a set of pipes, in the array of circular holes, in a first plurality of columns;
• arranging a set of blocks in a second plurality of columns;
• wherein each column of the first plurality of columns is positioned between at least two columns of the second plurality of columns;
• securing the set of pipes and the set of blocks, in the set of rectangular templates, with a set of bands arranged in a concentric pattern with a first band of the set of bands inside a second band of the set of bands;
• wherein the set of blocks comprises:
• a first block, a second block, a third block, a fourth block, a fifth block, a sixth block, a seventh block, and an eighth block;
• wherein the set of bands comprises:
• the first band, the second band, a third band, and a fourth band;
• wherein the set of pipes comprises:
• a first pipe, a second pipe, a third pipe, a fourth pipe, a fifth pipe, a sixth pipe, a seventh pipe, an eighth pipe, and a ninth pipe;
• wherein the set of rectangular templates comprises:
• a first template, spaced apart from a second template;
• providing the first block, the second block, the third block, the fourth block, the fifth block, the sixth block, the seventh block, and the eighth block made of wood;
• retaining the second pipe, the fifth pipe, and the eighth pipe, of the set of pipes, with the first band;
• retaining the first block and the second block, with the first band;
• retaining the first block adjacent the second pipe, the fifth pipe, and the eighth pipe;
• and,
• retaining the second block adjacent the second pipe, the fifth pipe, and the eighth pipe, opposite the first block.