A-1 Landscaping and Construction, Inc. 7/20/2016

I 1 4. Covering or otherwise protecting slopes until permanent erosion-control I 2 measures are working. 3 4 To the degree possible, the Contractor shall coordinate this temporary Work with 5 permanent drainage and erosion control Work the Contract requires. I 6 7 All sediment control devices including, but not limited to, sediment ponds, perimeter silt 8 fencing, or other sediment trapping BMPs shall be installed prior to any ground I 9 disturbing activity. Clearing, grubbing, excavation, borrow, or fill within the Right of Way 10 shall never expose more erodible earth than as listed below: 11 I Western Washington Eastern Washington (West of the Cascade Mountain (East of the Cascade Mountain Crest) Crest) I 17 Acres May 1 through April 1 through October 17 Acres September 30 31 October 1 through April 5 Acres November 1 through 5 Acres 30 March 31 12 13 14 Submittals I 15 16 Section 8-01.3(1)A is revised to read: 17 1 18 (August 3, 2015) 19 A Temporary Erosion and Sediment Control (TESC) Plan consists of a narrative 20 section and plan sheets that meets Ecology's Stormwater Pollution Prevention 21 Plan (SWPPP) requirement in the CSWGP. When the Contracting Agency has 22 developed a TESC Plan for a Contract the narrative is included in the appendix to 23 the Special Provisions and the TESC plan sheets are included in the Contract 24 Plans. The Contracting Agency TESC plan will not include off-site areas used to 25 directly support construction activity. 26 27 The Contractor shall either adopt the TESC Plan in the Contract or develop a new I 28 TESC Plan. If the Contractor adopts the Contracting Agency TESC Plan the 29 Contractor shall modify the TESC Plan to meet the Contractor's schedule, method 30 of construction, and to include off-site areas that will be used to directly support I 31 construction activity such as equipment staging yards, material storage areas, or 32 borrow areas. Contractor TESC Plans shall include all high visibility fence 33 delineation shown on the Contracting Agency Contract Plans. All TESC Plans I 34 shall meet the requirements of the current edition of the WSDOT Temporary 35 Erosion and Sediment Control Manual M 3109 and be adapted as needed 36 throughout construction based on site inspections and discharge samples to I 37 maintain compliance with the CSWGP. The Contractor shall develop a schedule 38 for implementation of the TESC work and incorporate it into the Contractor's 39 progress schedule. 40 I 41 The Contractor shall submit their TESC Plan (either the adopted plan or new plan) 42 and implementation schedule as Type 2 Working Drawings. At the request of the 43 Engineer updated TESC Plans shall be submitted as Type 1 Working Drawings. , 44 45 Erosion and Sediment Control (ESC) Lead 46 I RIVERFRONT DEVELOPMENT NORTH WETLAND COMPLEX 108