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Plans (706) SEP -07 -2000 11:35 P.01 atiP . State or Oman Deputineat of Consumes sad SWAMI UII.DING CODES DIVISION 1535 Edgewater NW PO BOX 14470, Sala's OR 97309 /too Policy Technical Srevices DATE: g// Structural: Ravi Mahajan, PE (503) 373 -1354 Structural Specialty rndc and ADA Number of payc4 .� Mechanical and including cover sheet: Dwelling Code Mike Ewert (503) 373 -7529 One and Two Family Dolling Code . Z,k,_ . h .e a.� a,, Mechanical Specialty Code Phone: Electrical Gary Wilson (503) 373-7509 FAX Phone: S3- (e:261-36k1 Kirby Sprague (503) 373 -1353 Electrical Specialty Code and FROM: Harold DePue Dwelling Code _Electrical provisions Phone: 503 -378 -4486 Plumbing Terry Swisher (503) 373 -7488 Harold DePue (503) 378 -4486 Plumbing Specialty Code and E-Mail harold.Ldepuetate.or.us code Pig pravisto>�s @s Elevators Jim Runyon (503) 373 -1298 Elevator Specialty Code It's a pleasure to serve you.. Boilers • Curt rye (503) 373 - 1216 ASIA Boiler and pie vessel cods We are pleased to send the attachedd s material in response to your request. and parks Pat Lewis (503) 373 -1266 if we can be of further service, please contact: Plumbing Section Policy Technical Services COMMENTS: • • SEP -07 11:35 _ title /A.) HDPE 1n51;i Hatton Gui,lelines Consideration should be given to the project performance specified when : 4 % „ Al: selecting manhole connections. When r r connecting to concrete manholes or F„t,,,,, - - inlets grouting the pipe to the manhole 7 �:. or inlet using non -shrink grout rod t' provides a soli tight installation. A ti 9 t 2.;; ; 7 gasket placed in a pipe corrugation at — - -. ------ - - - - -- c; the approximate center of the manhole or inlet wall will act as a water -stop. * TEST : O1:1.1; L= This water -stop should provide a silt tight installation. Watertight installations may require flexible rubber connections such as rubber boots, 'A- t-oks ", etc. ADS N- 12/SDR- 35 adapters or the smooth exterior ADS manhole adapter pipe should be used with flexible rubber connections. Insert the ADS N- 12/SDR -35 or ADS manhole adapter into the flexible connector using a lubricant as recommended by the manufacturer of the flexible connector. The flexible connector should be sized to the OD of SDR -35 PVC pipe. When connecting to manholes, ensure backflN is placed under the pipe adjacent to the manhole to prevent differential settlement. of 1 ... SEP- 07 - 29 ' 11 : 35 P. 03 � Embedment materials are those used for bedding, Sii l _._ haunching and initial backfiltl. AASHTO Section 30 and stone I�rodt dense ASTM D-2321 classify soils using AASHTO and Unified ate gra % , SOU ciassificetion, respectively. The following will lime or no lines (114 describe soils using the ASTM D -2321 nomenclature inch to 11/2 Inches with AASHTO designations noted. in size) gimai Note: Al embedment materials should be free from (cw, GP, Sw, SP, lumps of frozen soil or Ice when placed. Additionally, GW-GC. SP-SM) embedment materials should be placed and compacted '' grarted =briefs. at optimum moisture content. es way, : ' coarse sands aid AASHTO SECTION 30 graveLhand mixtures (1 1/2 inches mardrrrulll in size). Trench Width 4 (AASHTO classifications Al & rif .. • i ;2 ii AS). I " • • • ' , 1 PK GC, SM. SC) Media 1 materials Wet fines Itgamedi o including silty or sloYeY C ees „ 1 f • I sa . velor fa ,a D ` .,_ 6 .. Sand must comprise Ab . _,,.; _= - -- more than 50 percent ceetsal aeddsss materials ( 111 �e� tinI ' " 0. 5.1 two arctrte so. 3-3) indras nlaxkrnrm alzs). (AASHTO classifications A-2-4 ASTM D•2321 & A-2-5)' GAL. CL, iMft, CH) ' " was grained - rt: materials. such es - ;MGi�i fine sand and soils :• -`_ containing 50 percent or more Clay Itaitial e..a ei +a t' E 12 3n ' t.5 -3OO-, Of s i ed . � classified as Class • . i ': ; IVa (ML or CL) have • . r "Pa 14.3. medium to low '� ��` plasticity and ere not a % - am. reoonm ended In the ' ! ' embedment zone. ::r' Soils classified as , w ; , Class tVb (Mt t Or Tamed% eseotcw l ieetfaa 13testing 'irsasavlogi CI'1) have high .. plasticity and are not recommended for (Please contact your ADS representative for ASTM and ergtt AASHTO documents.) These specifications are presented as a guide and are Of ' to dude not a substitute for local agency/designer standards. organic ants and Both specifications are illustrated to show similarhima days, peat and other and ADS's recommendations are presented in the text. organic rnarellals. Embedment materials should be specltied with They are not recommended for consideration given to design loads and the embedment classification and suitability of native soils_ For normal matodais. installations without live bads or deep cover heights, many native soils will be applicable. Also, using native soils minimizes the potential for migration of fines Into the embedment material. Where native soils are not appropriate for embedment materials or the loading conditions, an imported material should be considered. . of3 c.r.rw. +_ ... TOTAL P. 03