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6.M. - Page 18 of 21 Pervious Pavement Maintenance Plan for Roof Alteration and Modernization - Heron Court Cooperative, Inc. [[= Insert Date =11 Project Address and Cross Assessor's Parcel No_: Property Owner- Phone No. Designated Contact. Phone No.: Mailing Add rens_ The property contains 3 pervious pavement area(s), located and sized as described below and as shown in the attached site plan'. of those pervious pavement areas, 0 are each 3,ODO sq -ft. or more in area. Total square feet of pervious pavement on the site 3,888. Square feet of area ■ Pervious Pavement Areaa No. 1 is located at parking iot no. (3) and has 2,268 square feet (10 un -covered parking stalls). ■ Pervious Pavement Area No. 2 is on the roadway between parking lots nos 1 and 5 has 1,296 square feet (8 un -covered parking stalls)- • Pervious Pavement Area No. 3 is located at parking lot no. (1) and has 324 square feet (2 un -covered parking stalls). I. Routine Maintenance Activities Types of pervious pavement include pervious concrete, porous asphalt, pervious pavers, permeable pavers, and reinforced grid paving. The principal maintenance objective is to prevent sediment buildup and clogging, which reduces infiltration capacity and pollutant removal efficiency. Routine maintenance activities, and the frequency at which they will be conducted, are shown in Table 1. Table 1 Routine Maintenance Ac,64iries for Pervious Pavement Areas No. Maintenance Task Frequency of Task IMcheck fw sediment a A debris a=muiation. Prevent wil frowashing or Two to four times annuall blowing onto the pavement. oo not store sand, soii- mulch or ocher la ndsCapin; materials on pervious pavement surfaces. conduct preverrtavvesurface cleamng,using commercialFiavailab4 Two to four times anrually regenerame air or vacuum vneepers. to remove sediment and debris - 3 Irunectioranysignsofaavementfailure.Repairanysurfacedeformations Twotafou7YrMes27-,: or broken pavers_ Replace missing point filler between pavers. 3 check for standing waver onthe pavement surface within ap minutes after a Two tofour tames annually storm event_ 9 Inspect underdrrin outle*s and cieanouts. preferably before the we season. Two tafour times annually Remove trash/debris. s Remevesediment, and debris accumulation anpervious pavemerr. Twotofourtimesannually 7 Remove weeds. wipe vegetacion on reinforced grid pairing (such as turf As needed block,' as needed. 8 PerForm-as tomtivesurface deaningwithavacuumsweeper.and/or Asn446ad reconstruxnon of part of the perviOus surface to restore surface permeability as needed- Repienish aggregate in aermeahle paver joints or in grids as needed a ter restorative surface cleaning. REV: 08-12-20 PR Page 4 ATiY/AGR.2020,136IHeron Court Cooperative Inc. (Page 14 of 16) 113