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CITY OF EVERETT STORMWATER MANAGEMENi MANUAL <br /> 1 <br /> ' Materlal Measure Quantiry <br /> Clear Plastic,6 mil 100 foot roll 1-2 <br /> DrainpiFe,6 or 8 inch diameter 25 foot section 4-6 <br /> Sandbags,filied each 25-50 <br /> SVaw Bales for mulching approx. 50#each 10-20 <br /> Quarry Spalls ton 2-4 <br /> Washed Gravel cubic yard 2-4 <br /> Geote�ctile Fabric 100 fool roll 1-2 <br /> Catch Basin InseAs each 2-4 <br /> Steel T-Posts each 12-24 <br /> 3.2.18 BMP C151: Concrete Handling <br /> P�rrpose <br /> Concrete work can generate process water and slutry that contain fino particles and hig6 pH,both ot <br /> which can violate water quality standards in the receiving water. 'fhis BMP is intendsd to minimize and <br /> eliminate concrete process water and slurry from entering watcrs of the state. <br /> Conditions of Use <br /> For use any rime concrete is used,these manegement practices shall be utilized. Concretc constr�ction <br /> projects include, but are not limited to,the fol(owing: <br /> . ) 1. Curbs <br /> 2. Sidewalks <br /> 3. Roads <br /> 4. Bridges <br /> 5. Foundationa <br /> 6. Floors <br /> 7. Runways. <br /> Design and Instal/atfon Spec!/ications <br /> L Conctcte Wck chules,pumps,and internals shall be washed out only into fartned areas awaiting <br /> installation of wnctetc or esphalt. <br /> 2. Unused concretc remaining in the huck and pump sha11 be retumcd to thc originating batch plant <br /> for rccycling,as feasiblc. <br /> 3. Hand tools induding,but not limited to,screeds,shovels,rakes, floats, and trowels shall bc <br /> washed oKonly into formed areas awaiting installation ot conctete or asphalt. <br /> 4. Equipment that cannot be easily moved,such as concrete pavers,shall only be washed in areas <br /> t6at do not direcdy drain to natural or wnstructed stortnwate� comeyances. <br /> 5. Wash do�m Gom areas such as concrete aggregate driveways shall oot drain directly to natural or <br /> conswcted stormwater conveyances. <br /> Volume 11—Construction Stormwafer Pollution Prevention <br /> 3-30 <br />