1102 SHUKSAN WAY B E AEROSPACE 2018-01-01 MF Import

i ( 4.6 Maintenance Startdards for D� ainage Facilities i The facility-specific ma.ntenancc standards contained in this section are intended to be r.onditions for detcrniinine if maintenance actions are required as identified throu�=h inspection. l�hc� arc not intended to bc tncasures of thc facility's rcquired condition at all times bchcecn inspections. In other��ords. esceedence of these conditions at mn t+mc bct�vecn inspeciions and/or maintennnce docs not automatically constitutc Ia ��iolation of these standard�. Ho�re��er, based upon inspection abservations, the inspection and maintenance schedulcs shall be adjusted I io minimize the Icneth of time ihat a i:icility is in a condition that requires a maintenancc action. � No. 1— Detention Ponds Maintenance Defect Conditions When Maintenance Is Results Expected When Component Needed Maintenance Is Performed I General Trash 8 Debris Any trash and debris which exceed 5 Trash and debris deared from sile. cubic teet per 1,000 square teet(ihis is about equal to the amount of trash it would lake to fill u�one standard � size garbage can). In general, Ihere should be no visual evidence of dumping. I If less than Ihreshold all trash and debris will be removed as part of next . scheduled mainlenance. Poisonous Any poisonous or nuisance No danger of poisonous vegetation I Vegetation and vegelation which may conslitute a where maintenance personnel or the ' noxious weeds hazard lo maintenance personnel or public mighf normally be. (Coordinate the pub'�c. with Iocal health depadment) Any�vidence of noxious weeds as Complete eradication of noxious weeds � defined by State or local regulations. may nol 6e possible. Compliance with (App!y requiremenls of adopted IPM State or local eradication policies required pelicies for�he use of herbicide�l. I Contamir,anls Any evidence of oi, gasoline, No contaminants or pollutanls present. I and Pollution conlaminants or o:her pollulants (Coordinale remo�al/cleanup H•ilh local waler quality-esponse agency). Rodent Holes Any evidence of rafent holes if Rodents destroyed and dam or berm facility is acting as a dam or berm,or repaired. (Coordinate with local health any evidence of water piping through department:coordinate with Ecology dam or berm via rodent holes. Dam Safety OKce if pond ezceeds 10 acre-feeL) I Z� ( 4-30 Volume V—Runoff Treatment BMPs August 2001 I