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HomeMy WebLinkAboutCorrespondence - 49 ORCHARD HILL ROAD 7/8/1999 r Town of North Andover • 27 Charles Street North Andover,MA 01845 ::...;...: ' , ::.:: ::;::;::;::;::;;:::;::::'::::::'..:.:. ... :: <> f 1 1 .. To: Steve Foster Fax: 681-7570 From: Susan Ford,Health Inspector Date: 07/08/99 Re: Orchard Hill septic Pages: 2 CC: file ❑ Urgent x For Review ❑ Please Comment ❑ Please Reply ❑ Please Recycl • in r i as- built ece t of the updated as built for Orchard Hill revised 6/4/99. Upon review I still ......:......... p p p �>.r"ziun ber of the items o n the c h eck list have not been add d. Pl eas e re-submit i t when "' ia1k8;. ..._........................................................................................................................................... .............................................................................................................................................. ............................ ............................................................................................................................................... ...........................I........................... ........................................... ................................................................. ........................... ................................................... ............................................................................................................................................... .................................................................................................................................... ............................................................................................................................ _. .............................................................. _. ............................ Dutton & Garfield. Inc. 70 Flagship Drive - North Andover, MA 01845 Tel.:(978)681-8600 Fax (978)681-7570 109 Hillside Avenue - Londonderry, NH 03053 Tel.:(603)425-2600 Fax:(603)434-9568 LETTER OF TRANSMITTAL " DATE: 5/24/99 TO: Town Of North Andover 146 Main Street Z11 North Andover, MA 01845 ATTN: Board of Health RE: Orchard Hill Road, North Andover, MA WE ARE SENDING YOU X Attached — Under separate cover COPIES DATE NO. DESCRIPTION 1 5/17/99 Septic As-Built Plan of Land THESE ARE TRANSMITTED as checked below: For Approval X For Your Use As Requested For Your Information For Review/Comment For Quote For Bids Due: For Completion REMARKS: SIGNED: Stephen E. Foster �Uv 0/11/1 G"i D 0 P BUTLER ......-"- BUNLDER PLAN REVIEW CHECKLIST ADDRESS ,z f A4 z c ENGINEER (y GENERAL 3 COPIES STAMP LOCUS NORTH ARROW SCALE CONTOURS 4,--' PROFILE t--"(Sc) SECTION BENCHMARK c-"" SOIL & PERCS f ELEVATIONS WETS . DISCLAIMER lam~ -.,. ---" WELLS & WETS WATERSHED?-k—() DRIVEWAY ( .-,""' WATER LINE FDN DRAIN M&P SCH40 TESTS CURRENT? (."­-- SOIL EVAL F)f) &-) SEPTIC TAN 4 )66, MIN 150OG . 17 INVERT DROP GARB . GRINDER JI,� (2 comps +200 ) 10 1 TO FDN MANHOLES ELEV GW # COMPS . -LAa GB D-BQ SIZE # LINES--�L FIRST 2 ' LEVEL STATEMENT INLET. OUTLET (2" OR . 17 FT) TEE REQ ' D? LEACHING MIN 440 GPD? RESERVE AREA 4 ' FROM PRIMARY? 2% SLOPE 100 ' TO WETLANDS (,­` 100 ' TO WELLS 4 ' TO S .H.GW ( 51 >2M/IN) 20 ' TO FND & INTRCPTR DRAINS 400 ' TO SURFACE H2O SUPP 4 ' PERM. SOIL BELOW FACILITY MIN 12" COVER F I L L? 6,l-­,-( 15 ' ) BREAKOUT MET? TRENCHES MIN 440 gpd SLOPE (min . 005 or 611/1001 ) SIDEWALL DIST . 3X EFF. W OR D (MIN 61 )_ RESERVE BETWEEN TRENCHES? IN FILL? MUST BE 101 MIN. 411 PEA STONE? VENT?_ ( >31 COVER; LINES >501 ) BOT— + SIDE = X LDNG = TOT ( L x W x # ) (DxLx2x#) —(G/ft2' ) Copyright @ 1996 by S.L. Starr PITS MIN 440 LEACHING MIN 1 ( 13 'x16 ' ) PIT MANHOLE/PIT GW MIN 4 ' BELOW BOTTOM EXC 2x EFF W OR D 12"-48" STONE BOT + SIDE x LOAD = TOTAL (L x W x ##) (2x(L+W)xD x ##) (G/ft2) CHAMBERS MIN 440 LEACHING GW MIN 4" BELOW COVER >3 FT - VENT MANHOLES 12"-48" STONE SPLASH PADS SLOPE . 005 BED/TRENCH (Bed max. 60 ' X 60 ' ) MIN 13 ' X 16 ' PIT BOT + SIDE X LOAD = TOTAL (L x W x ##) (2 x (L+W)xD x ##) (G/ft2) FIELDS MIN 440 GPD O 900 ft2 BED �! GW MIN 4 ' BELOW BOTTOM OF FIELD PIPE ENDS JOINED? �' 4" PEA STONE? 0/C, DIST LINE SLOPE . 0059 >3 ' COVER-VENT �`f' SCH 40 G!- MIN 12" COVER r ,, RATE 16Y>) / ( 9 S/ X �Z-5� ) X ` (�D = TOTAL L W LDG DOSING TANKS AND PUMPS DIMENSIONS X X = PUMP CAPACITY 9pm L W D Vol . DISCHARGE SIZE DISCHARGE RATE DISCHARGE TIME 9pm MANHOLES TO GRADE ALARM SEP. CIRC. GW (Min. 1 ' below inlet) HWL LWL CHECK VALVE BLEEDER HOLE MANUAL OP . SWITCH ENUF STORAGE? TDH WEIGHTED? Copyright © 1996 by S.L. Starr / z LIE U IT s °3 0)F 'IT M�R1[01 U i_L Dutton & Garfield, Inc. CONTRACTORS DATE JOB NO 4 0 Flagship Drive•North Andover,MA 01845 _ Tel.:(508)681-8600 Fax:(508)681-7570 ATTENT ON ' — -- /Y°` r 109 Hillside Avenue•Londonderry,NH 03053 RE Tel.:(603)425-2600 Fax:(603)434-9568 TO: --�'J�°�' ;�°r L '' �r WE ARE SENDING YOU ❑ Attached ❑ Under separate cover via the following items: ❑ Shop drawings ❑ Prints ❑ Plans ❑ Samples ❑ Specifications ❑ Copy of letter ❑ Change order ❑ COPIES DATE NO. DESCRIPTION G-) I THESE ARE TRANSMITTED as checked below: • For approval ❑ Approved as submitted ❑ Resubmit copies for approval • For your use ❑ Approved as noted ❑ Submit copies for distribution requested ❑ Returned for corrections ❑ Return corrected prints ❑ For review and comment ❑ _ ❑ FOR BIDS DUE 19 ❑ PRINTS RETURNED AFTER LOAN TO US REMARKS COPY TO SIGNED: It enclosures are not as noted, kindly notify us at once. '77 Town of North Andover Of NORTH -1 OFFICE OF ° COMMUNITY DEVELOPMENT AND SERVICES A 384 Osgood Street 9 North Andover,Massachusetts 0 184 WILLIAM J. SCOTT 9SSAC HUS�� Director June 15, 1998 Christiansen& Sergi, Inc 160 Summer St Haverhill, MA 01830-6318 Re: Lot 1-2B-1 Orchard Hill Road Dear Mr. Christiansen, This is to inform you that the proposed plans for the site referenced above have been approved. If you have any questions, please do not hesitate to call the Board of Health Office at the number below. Sincerely, Sandra Starr, R.S. Health Administrator SS/cjp cc: Bay Hill L.L.C. Dutton& Garfield File BOARD OF APPEALS 688-9541 BUILDING 688-9545 CONSERVATION 688-9530 HEALTH 688-9540 PLANNING 688-9535 C11RISTIANSEN & SERGI, INC. PROFESSIONAL ENGINEERS AND LAND SURVEYORS ............ ...... 160 SUMMER STREET HAVERI-IRI, MASSACHOSETTS 01830-6318 (978)373 0310 FAX: (978) 372 3960 June 10, 1998 Ms. Sandra Starr North Andover Board of Health 30 School Street North Andover, MA 01845 Re: Lot 1-2B-1 Orchard Hill Road Dear Ms. Starr: At your request, we have performed buoyancy calculations for the proposed 4500 gallon septic tank specified for the above referenced project. The results of the calculations indicate that the weight of the tank is more than sufficient to offset the upward force of the displaced groundwater. A summary of the calculations is as attached. Please contact me if you have any questions regarding this matter. Ve , Truly Yours Daniel J. O'C Yours C.C. Steve Webster, Dutton& Garfield, Inc. CHRISTIANSEN & SERGI, INC. ["RN"ESS IONA[- ENGINEERS AND [,AND S(JRVEYORS .............. ........... ........ 160 SUMMEIR SIRE ET M1iAVERIIVL,1,,, MASS/kC[i(,�SE�I'SO�[830-6318 978) '37, 013110 FAk (978) 372396() BUOYANCY CALCULATIONS FOR 4500 GALLON SEPTIC TANK FOR LOT 1-211-1 ORCIlARD HILL ROAD, NORTH ANDOVER 1. CALCULATE UPWARD FORCE DUE TO DISPLACEMENT OF GROUNDWATER ASSUMING DEPTH TO GROUNDWATER OF 2,5 FEET,THE AVERAGE GROUNDWATER ELEVATION AT THE SEPTIC TANK IS: 105.7-25= 103.2 FT. THE BOTTOM OF THE TANK IS TO BE SET AT ELEVATION 97.5 FT., THEREFORE,THE VOLUME OF GROUNDWATER TO BE DISPLACED BY THE TANK IS: 15 FT. X 7 FT. X(1032 FT. -975 FT.)= 598.5 CU. FT. THE UPWARD FORCE IS EQUAL TO THE WEIGHT OF THE DISPLACED GROUNDWATER,WHICH IS: 598.5 CU.FT. X 62.4 LB./CU.FT. =37,346 LB. 2. COMPARE THE UPWARD FORCE TO THE DOWNWARD FORCE,WHICH IS EQUAL TO THE WEIGHT OF THE TANK PLUS THE WEIGHT OF THE SOIL,PAVEMENT, MANHOLES,ETC. OVER THE TANK. FOR SIMIPLICITY,WE WILL IGNORE ALL OF THE WEIGHTS EXCEPT THE TANK ITSELF. THE FOLLOWING IS A LIST OF THE WEIGHTS OF THE SEPTIC TANKS AS SPECIFIED BY THE MANUFACTURERS. SUPERIOR CONCRETE,4500 GALLON TANK: 50,463 LB. NEW ENGLAND PRECAST,4500 GALLON TANK: 49,542 LB. SHEA CONCRETE PRODUCTS, *4000 GALLON TANK: 48,910 LB. NO 4500 GALLON TANK WAS LISTED BY THE MANUFACTURER,THE 4000 GALLON TANK WAS INCLUDED HERE FOR DESCRIPTIVE PURPOSES.) 3. CONCLUSION: THE DOWNWARD FORCE(THE WEIGHT OF THE TANK)IS FAR GREATER THAN THE UPWARD FORCE(THE WEIGHT OF THE DISPLACED GROUNDWATER), AND HE TANK WILL NOT FLOAT. NAL