10300 1ST PL W 2016-01-01 MF Import

' Public Utility District No. 1 Technical � of Snohomish County Specification No. 1317 I � + Everett, Washington 98201 April 16, 1990 � Page 20 of 76 . I �� SITE PREPARATION - OLIVIA PARK SUBSTATION iI I 4.0 TEMPORARY EROSION.�ND SEDIMENTATION CONTROL � � 4.1 GENERAL . A. The CUNTRACTOR shall furnlsh all labor, materials and equipment to hydro-seed, and install and maintain temporary � erosion and sedimentation control facilities. Al1 measures required to protect the wetland area sha11 be considered ' { incidental to temporary erosion and sedimentatlon control work and shatl be provided at no additionai cost to the DISTRICT. � � B. Provlde and maintain temporary sedimentation collection � facillties to insure sediment-laden water does not enter the i. natural dralnage system. These facilities shall be in operation prior to clearing and construction, and satisfactorily maintained until the Contract is completed. Restoration of the on-site or downstream temporary facilittes I� and seeded areas after a heavy storm shall be the respons- i ibitity of the CONTRACTOR and considered incidental to the ; Contract. , i 4.2 MATERIALS i I A. TEMPORARY FACILITIES AND STRUCTURES j kai•erials sha11 be in accordance with City Standards and include but are not 1lmited to fllter fabric fence, straw bale dams, riser and gravel filters, riprap channels, lnterceptor swales, siltation ponds, and a temporary � constructlon entrance. B. HYDRO-SEEDING MATERIALS 1 . Seed Grass seed shatl be 98 percent pure certified quality seed with a minimum germination rate of 90 percent. Provide the following: . ix r X ba Weiaht Inaredient t00X Creeping Red Fescue Total xeed seed for mixture shall not exceed one percent. - (344X) �