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HomeMy WebLinkAboutCorrespondence - 178 GRANVILLE LANE 12/27/1978 FRANK C . GELINAS REGISTERED PROFESSIONAL ENGINEER REGISTERED LAND SURVEYOR NORTH ANDOVER OFFICE PARK 451 ANDOVER STREET NORTH ANDOVER, MASS. 01845 TELEPHONE 687-1483 December 27, 1978 Mr. Thomas Murphy North Andover Board of Health North Andover Town Hall North Andover, MA 01845 Reference: Lot 32 Granville Lane Dear Mr. Murphy : Enclosed you will find a revision of the subsurface disposal system design for lot 32 Granville Lane. The revisions are two : 1. Reduction in the size of the house 2. Term culvert change to ditch As you can see, neither of these changes effect the disposal system. If you have any questions please do not hesitate to contact me. Yours truly, &Z osebh B. Cushing /scp enclosure cc : Mr. Ralph Ciardello * ENVIRONMENTAL ENGINEERING * STRUCTURAL ENGINEERING * CIVIL ENGINEERING * PROPERTY ANo TOPOGRAPHICAL SURVEYING � 0. 2 F' _ 8. 10. 4 t (b� ;p Leaching its Leaching pits are pr ez ( 1'yed Ithere the installation is possible Reg.11 . 2 (a) Calcu-la.t-i o'ns­of leaching 500 S.F. ) Reg. 11 .4 (b) Spacing eg. 11 .10 (c) Si_)rfaP,;e drain.., e 2% cg. 11011 d) Covar P at(,rial �2 9 ( F T eac`n� S Fi olds ! f Reg. 15.1 (a) N Greater 20 !iii_nutes/inch Reg.15.1 (b) Area 0)00 S.F. ) `ng®15. 4 (c) Constrfiction of field g'. 1 5. 3 (d) ar a.ce drainage 2% (e) ,'0 ' f r_ om- cellar wall or inground swimming pool Lea.ci� n c,hes x;. 14.1 j (a) Calculations of le eb ing a e ea (min. 500 S.F. ) Toe if. 1It. 5 (b) Spacing (4 ft. min. 6 ft. with reserve between) ' eg. 14. 4 ( c Dimensions 14. 5 '?,_g®14. 6 (d) Construction 17en. 14. ? ( e) Stone (f) Surface drai naEe 2% Downhill Slope (a) Slope y/x = (to be shown) (b) y/x X 150 = (to be ho m) lZi.t; s R'= (a) Approval Rog. 91. 6 (b) S a. d-by o. ,ol ;1. 5 Fail OK The submitted plan must show as a minumum : (a) the lot to be served (area ,dimensions , lot (Planning Board files) � (b) location and log of deep observation holes-distance to ties '(c) location and results of percolation tests-distance to ties in �(d) design calculations - & calculations showing required leaching area (e) location and dimensions of system ( including reserve area) (f) existing and proposed contours 1 (g) location of any wet areas within 100 ' of Me se•�',���Ye disposal system or disclaimer (check wetUnds ma,))pin ) (i-1) t. surface and SU.bSU1'faCe drains within 0O0 ' of Sv ,e diSpo ;al system or= di cl per location of any draWte onnements within H)o ' of sewage disposal sy,s _. m or di_ _.claiver (p1_ -wq _:nl t " i Mies ( j ) known ,sources of :raker supply within 200 ' of ..ew _ le disposal system or d%sclail•ier '(k) location of any proposed well to serve the lot (100 ' from leaching facility) 1 location of water lines on property-L i0 ' from, jeanK facilities) (m) location of bencbmark (n) drive ,ays ( o) garbage disposers (p) no PVC is to be used in y ue struction ( q) a profile of the systam (elevations of b ;:calf , r;Y pipe septic tank , disi,"7bution box 7_rL�_e :, r-:;-Id oo2 l e` s distribution f e7 d piping nd any ot ) r C 1 va d i roi s) ''(r) Kar_i i)um ground .. _ur alovntinn in _ _ ( :_i) plan d.1'j ,:117 ut be prepared.,p,"a i"i. d by a R'Of o .> j 1_17I-1al 'L, 1 ._,.L' (J 1' other professional auLhori ned by law to pi 1 ;i( S �h plans g (a�. CaPanities - 150% of flow , wnnnr y 1 of tees , access , vi MP .1g, '(c) 101 from om cellar w0l. or <�ucmnd E .:i �, n g pool ('� ) ST om subsu�. i c e � _ _ ?. �i s� JQT X !K KT Nf 1 OAV i LOA PAW WAY- 7- PATL GK 1. Distance TO! vitlandA b. Drains W91-1 2® VAter Line Location No Pvc pipe Septic a® Tees - Length & To Cleqn Oat b. Ccnent Pipe to T�,,dk - Ga Both Sides of Tannic Rox & b. All Moos Flowing Fqu-al A)l ))IMts 0® No Bank Flow 6. Leach Field or Trench a. Manduarls b. Stone Depth 0, Capped EM35 d. Cjc pa r;5,oble Vlaz-he-d Stale,xe 7. Lm�ch Uts a. MaDvions b. stoae Dupth c. S21ash ?ads d. Teas plqpe to Fit - 130th SICIes Ae Washeid ne 9® THAI GraUng Inspection 10. Barricaakag Coverud SYM-TA 11® As Built Mmitted a. Lot Location 14 Dimmaloas of syst6m c. Lo,:°ntion R(;�ard_to Pere Test Water Table 'IN, SOIL PROFILE & PERCOLATION TEST DATA -Board of Health-No.0th Andover, Mass. Lot- No. Street Subdivision' ., Owner . Investigator „ "Ix -Vv, Observer L SOIL PROFILES '1 Date 2. Date Date 4. Date Elev.--,--.-- Eleven Elev. -Elev. Feet Inches 0 Ties to Test Pits 12 2 24 36 4. 4 48 60 72 A1,4 84 3 96 108 20 rote : Top &, subsoil depth; depths of other soil types; depth of water table ; depth of refusal. PERCOLATION TESTS Date Date Date Date Date Pit Number 2 3 S1--art Saturat-J. on ............ . ------ ,.,00,k-Mins. .............. -art Test.-Time D-i.­o-r) of' 31'-Time I)-r,6`"r'.) o__f" ....... e TCWN' OF, NORTH ANDOVER NORTH AND9VER BOARD OF HEALTH REPORT OF PERC TEST ADDRESS OF SYSTEM /� .. ` �, 'e r �''��r r. �� "�" DATE NAME OF PROFESSIONAL ENGINEER CH SANITARIAN CONDUCTING TESTS f r P NA OF LOT C JNER w ADDRESS ME SHOW APPROXIMATE LOCATION OF PITS ON SKETCH ON REAR OF THIS SHEET Total Sail Log: Topsoil Subsoil D th & T,pes Wate Level Pit D Time to Time to Pere Tests Depth Saturation Time Drop 1211 - 911 Drop 9"_- 6" �r , Otber Considerations: k F , Recommendations; a — —-- — wr' Signature