Rodarte Construction Inc Everett Station Parking Expansion

I 1 control methods according to Section 8-01 shall be used to protect the bare soil 2 until seeding conditions improve. 3 4 8-02.3(9)B Seeding and Fertilizing 5 The Contractor shall prepare the seeding area in accordance with Section 8- 6 02.3(5)A and apply seed at the rate and mix specified in the Special Provisions. 7 The Contractor shall notify the Engineer within 5 days in advance of any seeding 8 operation and shall not begin the Work until areas prepared or designated for 9 seeding have been accepted. Following the Engineer's acceptance, seeding of 10 the accepted ground surfaces shall begin immediately. 11 12 Seeding shall not be done during windy weather or when the ground is frozen, or 13 excessively wet. 14 15 When seeding by hand, the seed shall be incorporated into the top 1/4 inch of soil 16 by hand raking or other method that is allowed by the Engineer. 17 18 Seed applied as a separate operation using a hydroseeder shall have a tracer 19 added to visibly aid uniform application. The tracer shall be HECP Short-Term 20 Mulch applied at a rate of 200 to 250 pounds per acre and the tracer shall carry 21 the measured specified seeding rate. 22 23 8-02.3(9)C Seeding with Fertilizers and Mulches 24 When the Proposal includes any variation of seeding, fertilizing, and without 25 mulching, the seed and fertilizer shall be applied in one application followed by 26 mulching. West of the Cascade Mountains, seed, fertilizer, and mulch may be 27 completely applied in one application. East of the Cascades, seeding, fertilizing, 28 and mulching shall not be applied as a single application unless allowed by the 29 Engineer in writing prior to application. The fertilizing and mulching shall meet the 30 requirements of Sections 8-02.3(6) and 8-02.3(11). 31 32 8-02.3(9)D Inspection 33 Seeded areas will be inspected upon completion of seeding, fertilizing, and 34 mulching. The Work in any area will not be measured for payment until a uniform 35 distribution of the materials is accomplished at the specified rate. Areas that have 36 not received a uniform application of seed, fertilizer, and mulch at the specified 37 rate, as determined by the Engineer, shall be re-seeded, re-fertilized, or re- 38 mulched prior to payment for seeding within a designated area. 39 40 8-02.3(9)E Protection and Care of Seeded Areas 41 The Contractor shall install and establish a stable and weed free stand of grass as 42 specified within all designated permanent seeding areas. A stable stand of grass 43 shall meet the following requirements: III 44 45 1. A dense and uniform canopy cover, 70% for Western Washington and 46 50% for Eastern Washington, of specified species covers all seeded 47 areas after 3 months of active growth following germination during the 48 growing season. Canopy cover is defined as the cover of living and 49 vigorous grass blades, leaves, and shoots of specified species. Volunteer 50 species, weeds, woody plants, or other undesirable vegetation shall not I City of Everett Page AM-96 Amendments Everett Station 80 Stall Parking Expansion June 2019 I