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, <br /> � JE:RALU K. BELL, A.I.A., A.I.L.A Architect and Landscape ;�rrhitcct <br /> 2127 NORTH 148TH STREET • SEATTLE, WASHINGTON 98133 • PHONE 36Y�9131 � <br /> I <br /> C0P7"TIiUC'CIOtJ IJOTi�. for �torm Retention llaein Tevelopment, The C�uad. <br /> L Strip all exieting growth off of entire retention pond� up to top of Uankc. <br /> Haul aw�y stripped material am". iiepose of, legally, off of the c�te. <br /> 2. In existin�; otrearn bed� where e. 1 ie very e,of't to a depth of 12 to 18 <br /> inches, fill to sub—grade�Ll..evel w_th rr-ubble rock or ravel to establish a <br /> f irm sub—grlde. C�+�'�liqt1vr 'f7J 1�SQ �t'vP� �U 4C'6T{-c���j�L�1 G��9�tis ;�InS'�Q��Q.6"/If�'L�� <br /> Nµ� I <br /> 3. Re—ehape existing banke to maximum 3 to 1 elopee nnd;grade�a��l area�a ao � <br /> indicated on the drawings. <br /> q. Install retaining rockeries at exieting inlet and outlet �,ipe areae. Se6 <br /> rocko tigl�t togother with minimum jointe, for structurnlly eound retainin�. <br /> j. Eetablish a firm eub—grade to elope all areas toward otream bed ae ehown on <br /> the drawinge. The euU—grade muet be firm and muet not hold pockete of water. <br /> pV 5-b�r,lq(eN� �urYN �+ n nedd��y �vcaM�k�tel� <br /> 6. 4lith new Q".�non—uerforated drain lines, exte�d exieting da,ylighted lines <br /> � to new etrearn bed. Lqy new drain linee di�ectly on sloped eub—grade� in a� <br /> I ehort rune as poeaible to etream bed. Avoid sharp benda in lines. Where <br /> jointe and couplinge are neceeeary, use specially manufactured iteme, made <br /> � for the purpose. <br /> 4. Install 11" crushed '_ed�e rock on sloped subgrade� under area of plqy court <br /> and under lawn area Uetween plqy court and stream bed. See drawings f��r <br /> elevations and depth of rock. <br /> b. Duild stepF and inetall wood edgere for plqy court as ehown on the drawinge. <br /> Stake Adgeo at 6 ft, o.c. ueing 2x2 etakes. <br /> 9. 7neta1l new bench ae shoNn on the drnwinge. <br /> 10. In�tall a 2" la}.er of �"to 5�8" cruehed ledge rock on plqy area and roll to <br /> compact. See drawings for finieh grade of court. Aleo inetall a 2" leyer of <br /> crushed ledge rock� 4" to 5�8" eize.� on top of the 1�" rock in the 8I'08P to <br /> Ue so3ded t�etween the plq� court and the etream bed. Finiah elevatiori of thie <br /> l�yer of rock ie to be 3" below finieh „rade of the eod. <br /> I1 . Inctall a 3° lqyer of sanQy loam topaoil on all areas to be sodded azid on a ll. <br /> areas where ��aound cover planto are to be planted. On all ureas where topeoil <br /> ie inctalled directly on the �ubgrade� thorouehly till the topeoil to a depth <br /> of 4". tdo tilling on the areae of topsoil which ie placed on cruehed rock. <br /> After tilling, pick o�it all debrie, roote� rocks larger than 1" diemnter� etc. <br /> which huvr Ueen brought to the surface. In nreae to be eodded, roll ':opeoil <br /> to comFact it. Carefully c::tablieh fin�eh Rrades ae shoNn on the drawinge. <br /> , �. On all areae to be nodQed, evenly spr�ad 10-20-20 fertilizer on the 'rolled and _I <br /> graded topcoil, nt a rate of 12 lbs, per 1000 sq. ft. . RaL•e out all irregu— <br /> lasities in ��rade, footprints, etc. Kater thoroughly Nith n fine upr�y. I.�y <br /> � rod �rnmed�at��l;,� aftcr cprcad.r.g f'ertilizer and watering. (�/� ��/�� <br /> � = <br /> �l� ly�Cv�.iuo 7-l�r'Gti�✓ <br /> ��' S�1/t< I <br />