Kamins Construction Inc Pacific Ave to Interurban Trail Bicycle Safety

I 1 173-201A, to manage erosion and water quality in accordance with these Specifications 2 and as shown in the Plans or as designated by the Engineer. III 3 4 The Contracting Agency may have a National Pollution Discharge Elimination System 5 Construction Stormwater General Permit (CSWGP) as identified in the Contract Special111 6 Provisions. The Contracting Agency may or may not transfer coverage of the CSWGP to 7 the Contractor when a CSWGP has been obtained. The Contracting Agency may not have 8 a CSWGP for the project but may have another water quality related permit as identified 9 in the Contract Special Provisions or the Contracting Agency may not have water quality 10 related permits but the project is subject to applicable laws for the Work. Section 8-01 11 covers all of these conditions. 12 13 This section is supplemented with the following new subsection: 14 15 8-01.1(1) Definitions I 16 1. pH Affected Stormwater 17 18 a. Stormwater contacting green concrete (concrete that has set/stiffen but is still 19 curing), recycled concrete, or engineered soils (as defined in the Construction 20 Stormwater General Permit (CSWGP)) as a natural process 21 22 b. pH monitoring shall be performed in accordance with the CSWGP, or Water 23 Quality Standards (WQS in accordance with WAC 173-201A (surface) or 173- 24 200C (ground)) when the CSWGP does not apply 25 26 c. May be neutralized and discharged to surface waters or infiltrated 27 28 2. pH Affected Non-Stormwater 29 30 a. Conditionally authorized in accordance with CSWGP Special Condition S.1.C., 31 uncontaminated water contacting green concrete, recycled concrete, or 32 engineered soils (as defined in the CSWGP) 33 34 b. Shall not be categorized as cementitious wastewater/concrete wastewater, as 35 defined below 36 37 c. Shall be managed and treated in accordance with the CSWGP, or WQS when 38 the CSWGP does not apply 39 40 d. pH adjustment and dechlorination may be necessary, as specified in the CSWGP 41 or in accordance with WQS when the CSWGP does not apply 42 43 e. May be neutralized, treated, and discharged to surface waters in accordance 44 with the CSWGP, with the exception of water-only shaft drilling slurry. Water-only 45 shaft drilling slurry may be treated, neutralized, and infiltrated but not discharged I 46 to surface waters (Refer to Special Conditions S1.C. Authorized Discharges and 47 S1.d Prohibited Discharges of the CSWGP) 48 3. Ceimentitious Wastewater/Concrete Wastewater cvv'a�cr 50 51 a. Any water that comes into contact with fine cementitious particles or slurry; any 52 water used in the production, placement and/or clean-up of cementitious Il 111 CITY OF EVERETT AMENDMENTS PACIFIC AVENUE TO INTERURBAN TRAIL BICYCLE SAFETY PROJECT 8/12/2019 STATE FUND#HLP PB17(014);COE#PW3688 Page AM-68