Laserfiche WebLink
I <br /> 1 <br /> 2 8-02.2(9-14.5(2)).OPT3.DOCX <br /> I3 (******) <br /> 4 If the HECP contains a dye to facilitate placement and inspection of the <br /> I <br /> 5 material, it shall be nontoxic to plants, animals, and aquatic life and shall <br /> 6 not stain concrete or painted surfaces. <br /> 7 <br /> I <br /> 8 The HECP shall not be harmful to plants, animals, and aquatic life. <br /> 9 <br /> 10 8-02.2(9-14.5(3)).DOCX <br /> Ii 1 12 Bark or Wood Chip Mulch <br /> Section 9-14.5(3) is revised to read: <br /> 13 <br /> 14 8-02.2(9-14.5(3)).OPT1.DOCX <br /> I <br /> 15 (******) <br /> 16 Arborist Wood Chip Mulch (AWCM) shall be coarse ground wood chips <br /> I17 (approximately 1/2" to 6" along the longest dimension) derived from the <br /> 18 mechanical grinding or shredding of the above-ground portions of trees. It <br /> 19 may contain wood, wood fiber, bark, branches, and leaves, but may not <br /> I <br /> 20 contain visible amounts of soil. It shall be free of weeds and weed seeds. <br /> 21 <br /> 22 Including but not limited to plants on the Snohomish County Noxious Weed <br /> I 23 list available at: <br /> 24 https://snohomishcountywa.qov/750/Noxious-Weeds-List <br /> 25 <br /> I <br /> 26 and shall be free of invasive plant portions capable of re-sprouting, including <br /> 27 but not limited to horsetail, ivy, clematis, knotweed, etc. It may not contain <br /> 28 more than 1/2% by weight of manufactured inert material (plastic, concrete, <br /> I 29 ceramics, metal, etc.). <br /> 30 <br /> 31 AWCM, when tested, shall meet the following loose volume gradation: <br /> 32 <br /> 111 Percent Passing <br /> Sieve Size Minimum Maximum <br /> 2" 95 100 <br /> Ii" 70 100 <br /> 5/8" 0 50 <br /> No. 4 0 30 <br /> I 33 <br /> 34 At the Engineer's request, prior to delivery the Contractor shall provide the <br /> 35 following: <br /> I <br /> 36 37 1. The source of the product and species of trees included in it; <br /> 2. A sieve analysis verifying the product meets the above size <br /> 38 gradation requirement; <br /> 39 3. A five-gallon sample of the product, for the Engineer's approval. <br /> 40 <br /> 41 The Engineer may specify the following chipped woody materials, meeting <br /> 42 the above size gradation, weed-free, and inert material requirements. <br /> I43 a) Chips derived from whole tree grinding ("hog fuel"); <br /> I <br /> MAPLE HEIGHTS BRIDGE SEISMIC RETROFIT PAGE 97 OF 106 SPECIAL PROVISIONS—Addendum 1 <br /> I <br /> WORK ORDER#3693 MAY 4,2020 FEDERAL AID#BHM-2776(008) <br />