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y" • <br />LAND TECHNOLOGIES, INC. ���,f�'�-��Es� <br />� <br />{'I,ANNfNG • I'F;RMI1'"CING • f�;N(;INI?ERINCi �` '''� <br />F `�-. . . <br />IMMINC A'4'A1' OVl 01'NO `L'AY' <br />Date: 3 June 2015 <br />To: City of Everett <br />Public Works <br />3200 Cedar St <br />Everett, 'NA 98201 <br />Projecl Number: 12-006 <br />Project Name: 115 Meridian W. Short Plat — Lance Harvey <br />Lot Site Address: 1 115th St SE, Everett WA 98208 <br />Regarding: Bio-cell Status and Compliance Report lor Lot-1 <br />Purpose <br />This leder report is t� provide engmeenng certiticatien lhat lhe as-buiit stormwaler management <br />bio-cell (rain garden) as installed for Lot-1 of Ihe shori plal provisionally comphes with lhe <br />design spe�dications per the projecYs construc6on plans and Ihe stormwater managemenl plan. <br />As-built Assessment <br />Merle Ash ot Land Technologies visiled Ihe siie on muitiple occasions (or n�cr���unng, <br />documenling, and consultation with conlractor for installalion ol lhe bio-cells. The <br />documentalion consisted oi a pholographic record of the cunstruction, inr.luding excavation, <br />installation oi the flow conirol piping, rock-bed, amended soils, and pond formation. The <br />contractor also measured thr bottom areas (or Mr. Ash, noting that all cells will exceed 400 <br />square teet (sf) wilh the exceplion ol Lot-2, whir,h was smaller due to the presence of Ihe power <br />and phonc pedestals and Ihe that average for the site will rcadily exceed the 400 sf rninimum <br />hottam are�. <br />The amended soil h�end was ihe Ferti-mulch producl prepared hy Qie Thomas Family Farm, <br />( I opsod's Northwe;t Inc � on Marsh fld in Snohomish, Washmgton, which is made o( a hiyh <br />quality com;�nst produced from manures anA beddiny materials and is r.ured for at Ieast one <br />year. Lar��� Technologies has experienr.e with Itus product and facility and cnnsider il one of the <br />better ��roducis for usr in bio-cell construction. II is a consislr.nt produr.t the meets the DOE <br />perm��ability and organic content reqwremenls. <br />The open ponding area oi lii� completed bio-cell has not been (ortnally topographic�lly <br />surveyed, but a few simple yard stick' measurements confirm the side slopes are acceptable <br />and ihe total deplh meets or exceeds Ihe 18 inch minimum A photo of the completed cell with <br />landscapmy and hydro-seed is provided lor ihe record. II shows thr� r.orrer,t lormation and level <br />nonom :,r�. along with penm�ter landsr,aping and hydro-sred <br />iHH2O 3rd l�vc NL � Arlinyton, WA 9N"l'13 1360) fi52�9727 I ax (3b0) 652-�i:i74 ��� <br />�.l� � <br />