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,SITEWORR SPECIPICAT: �S �,DWG. N0. 0-4177 <br />BEVERLY PARK SUBSTATIUN 'REY. 0 <br />PACE 2 <br />B. After repair of soft areas, the entire graded surface <br />ehall be conditioned [o a moleture conten[ suitable for <br />compaction and compac[ed to a dense s[ate. <br />C. Subbase flll ma[erial shall be vell-graded granular <br />material, ftee of organic ma[erial and other objec[lon- <br />able matter, and with lese [hsn five (S) percent by veight <br />of that portion of the material finer than 3/4" in elze <br />passing the US #200 sieve. Subbase fill ma[erlal ehall be <br />apptoved by Puget Pover priot to impor[ing or placement. <br />D. All subbase fill ehall be conditioned to a moisture <br />content suitable for compaction and placed in lif[s no[ <br />[o exceed elght (8) inches in loose [hlckness. Each <br />lif[ shall be compacted to 95X of maximum dry density <br />ae determined by ASTM D-1557 (latest) prior to placemen[ <br />of subsequent ovetlying lifts. Sloping ground shall be <br />benched beginning at [he [op of the fill so that the fill <br />is placed in horizontal lifts and keyed to [he ground. <br />Compac[Son equipmen[ shall be operated on the slope as <br />each lift is placed Sn order to insure compac[Son of the <br />exterior of the fill. <br />4. BASE COURSE <br />A. The etation yard (excep[ [he area vithin the SPCC Curb) <br />and drivevays, shall have a nine (9) inch thick base <br />couise. <br />B. Base course material ahall be in accordance vi[h PSP6L <br />Standard Specification 3112.0361, 'Aggrega[e for Base <br />Course". <br />C. The base course shall be compacted to 95X of maximum <br />dry densi[y as determined by ASTM D-1557 (la[es[). <br />Subbase shall be repaired and recompacted befo:e <br />placemen[ of base coutse. <br />D. After ins[alla[ion of founda[ions and other subsurface <br />struc[ures (i.e. ground bus, buried cable and condui[, <br />drainage s[ructures, e[c.), [he surface of [he base <br />course shall be recompacted. Special care shall be <br />taken to :nsure compac[ion of backfill in [renches and <br />around foundations. <br />5. RIPRAP <br />A. Riprap shall be placed in the locations specified on <br />the Drainage Plan, D-7463. Riprap shall be placed <br />Sn such a manner tha[ all telatively large s[ones shall <br />�e in contact vith each a[her and all voids filled vi[h <br />the finer materials so as to provide a aell-graded <br />compacted mass. The riprap shall be placed to a minimum <br />DC-4518.5 <br />