The dry creek bed assembly spans four to six feet in width with a variable profile mimicking a naturalistic form. A subgrade layer supports a base of landscape fabric topped with a four-inch layer of pea gravel under one-half inch in size. Class II and III riprap boulders weighing at least 150 pounds each are embedded one-third of their depth into the pea gravel subgrade.
4" 4' - 6' WIDTH VARIES NOTES: 1. WIDTH OF DRY RIVER BED CAN VARY BETWEEN 4'-6'. BORDERING ROCK PLACEMENT SHOULD MIMIC A NATURALIST FORM. 2. OWNER'S REPRESENTATIVE TO APPROVE BOULDERS BEFORE THEY ARE BROUGHT TO PROJECT SITE. 3. CREEK BED PEA GRAVEL SHOULD BE UNDER 1 2 " IN ORDER TO PREVENT VANDALISM OR THROWING. 4. BOULDERS SHOULD BE AT LEAST 150 POUNDS EACH AND PROPERLY BURIED IN ORDER TO PREVENT VANDALISM OR THROWING. CLASS II AND III RIP RAP BOULDERS 1 3 OF BOULDER SHOULD BE BURIED IN PEA GRAVEL SUBGRADE PEA GRAVEL LANDSCAPE FABRIC
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