Jansen Inc 6/10/2019 - Laserfiche WebLink

I 1 8-01.3(1)C5 Water Management for In-Water Work Below Ordinary High Water Mark 2 (OHWM) 3 Work over surface waters of the state (defined in WAC 173-201A-010) or below the OHWM I4 (defined in RCW 90.58.030) must comply with water quality standards for surface waters of 5 the state of Washington. 6 1 7 8-01.3(1)C6 Environmentally Acceptable Hydraulic Fluid 8 All equipment containing hydraulic fluid that extends from a bridge deck over surface 9 waters of the state or below the OHWM, shall be equipped with an environmentally I10 acceptable hydraulic fluid. The fluid shall meet specific requirements for biodegradability, 11 aquatic toxicity, and bioaccumulation in accordance with the United States Environmental 12 Protection Agency (EPA) publication EPA800-R-11-002. Acceptance shall be in 11 13 accordance with Section 1-06.3, Manufacturer's Certification of Compliance. II 14 15 The designation of environmentally acceptable hydraulic fluid does not mean fluid spills are 16 acceptable. The Contractor shall respond to spills to land or water in accordance with the I17 Contract. 18 19 8-01.3(1)C7 Turbidity Curtain I20 All Work for the turbidity curtain shall be in accordance with the manufacturer's 21 recommendations for the site conditions. Removal procedures shall be developed and used 22 to minimize silt release and disturbance of silt. The Contractor shall submit a Type 2 I23 Working Drawing, detailing product information, installation and removal procedures, 24 equipment and workforce needs, maintenance plans, and emergency repair/replacement 25 plans. 26 27 Turbidity curtain materials, installation, and maintenance shall be sufficient to comply with 28 water quality standards. I29 30 The Contractor shall notify the Engineer 10 days in advance of removing the turbidity 31 curtain. All components of the turbidity curtain shall be removed from the project. I32 33 8-01.3(1)C1 Disposal of Dewatering Water 34 This section is revised to read: I35 36 When uncontaminated groundwater is encountered in an excavation on a project it may be 37 infiltrated within vegetated areas of the right of way not designated as Sensitive Areas or 38 incorporated into an existing stormwater conveyance system at a rate that will not cause I39 erosion or flooding in any receiving surface water. 40 41 Alternatively, the Contractor may pursue independent disposal and treatment alternatives I42 that do not use the stormwater conveyance system provided it is in compliance with the 43 applicable WACs and permits. 44 1 45 8-01.3(1)C2 Process Wastewater 46 This section is revised to read: 47 a48 Wastewater generated on-site as a byproduct of a construction process shall not be 49 discharged to surface waters of the State. Some sources of process wastewater may be 50 infiltrated in accordance with the CSWGP with concurrence from the Engineer. Some City of Everett Page AM-69 Amendments Everett Downtown Streetscape Improvement March 22, 2019