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HomeMy WebLinkAboutProposed SewerL EGEND TEST PERFORMED BY 1) . W . STONE WALL - f EN C E --- A A -- IRON PIN ISO. MOTTLING AT: 32" SURFACE BOULDERS M EREs T ONE o LEDGE OR ROCK TOPSOIL & HUMUS EXISTING CONTOUR MEAS. PROPOSED CONTOUR DROP UTILITY POLE -o- TEs T HOLE 4i PER C. TEST - SILT FENCE -� HAY BALE 1 1/4 CONFIRMING TEST HOL E 3:20 PI;RC TEST PERFORMED BY 1) . W . +1RW1CK ENGINEERING ON 4/7/95. NO WATER ISO. MOTTLING AT: 32" SURFACE BOULDERS TH 102 DEPTH 51". TOPSOIL & HUMUS 'I' LME MEAS. 30-84" DROP HATE 3:10 12. " /NVERlS - - 3:15 13 1/4 1 1/4 4.00 3:20 14 1/4 1 5.00 3:25 15 30-74" 3/4 6.66 3:30 15 112 112. 10.00 3:35 l6 1/2 10.00 3:40 16 1/2 1/2 10.00 3:45 17 1/2 10.00 3:50 17 11,12 1;'2 10.00 3:55 18 1/2 10.00 4:00 18 1 ;' 2 112 i 10.00 4:05 19 1/2 1.0 . 00 4:10 19 1/2 112 1().00 i s 1 70&/ EXT'EN'T 6 9E'L Ow Gig 0UND LE V_ Exc ave re- 6 "x 6 " rRetav TV BURY FA&MIC & COMPAC r WKFILL Blit YwoJ2049 J20tiall MIN. B•!1 VAPffS F TER F R/C AV so or �fi�`rr �� �O �� •. -' o . n , f l � � . _ ;'9V e.� ps �� ;i `ice �r� +�° Bio; '�� �r4'�'+�S D f �' $ •�* A 6 ° 48 TRENCH DFrAIL TEST HOLES WITNESSED BY D.W. GERWICK ENGINEERING ON 04/06/95. THI01 0-6" TOPSOIL & HUMUS 6-30" BROWN MODERATE SILT/SAND SUBSOIL -FIRM 30-80" GRAY/SILT/SAND-COMPACT/COBBLES & BOULDERS NO WATER ISO. MOTTLING AT: 32" SURFACE BOULDERS TH 102 0-6" TOPSOIL & HUMUS 6-30" BROWN/SILT/MEDIUM SAND SUBSOIL -FIRM 30-84" GRAY/SILT,/SAND-COMPACT/COBBLES/BOULDERS NO WATER MOTTLING AT: 32--33" NO LEDGE TH 103 /NVERlS 0- 6" TOPSOIL, & HUMUS 6-34" BROWN/MEDIUM SILT/SAND SUBSOIL -FIRM 34-87" GRAY/SILT/SAND-COMPACT/COBBLES/BOULDERS NO WATER NO MOTTLING NO LEDGE TH 104 0-6" TOPSOIL, & HUMUS 6-30" BROWN/MEDIUM SILT `/SAND SUBSOIL -FIRM 30-74" GRAY/SILT/SAND-COMPACT/COBBLES/BOLILDERS NO WATER NO MOTTLING LEDGE/BOUL,DERS AT: 74" 255 HIGH LEVEL (HoLe) OVERFLOW I 1. Contours fr()m field survey by William Kent, L.S. 203.62' 402.09' --- 2. proposed house is a four bedroom house. Basis of design % ARE 2II 66 S. f. is for four- bedrooms with a design perc rate of 10.1 - Lo 20.0 min, in. .System area required is 900 s. f. and is ph supplied as -follows: �N N 4.8 6 AC. 0 2 rows o f 150 l. f. o f 12" x 4R" trench 900 s. f. 232 o ------------- o Total Leaching Area - 900 s. f. / A 1009 reserve area has been supplied. / 99.75 MLSS requ i red 7-HF(26) x FF(2. 0) x PF(I . 5) 78 IF � ' 234 r--- `- MLSS supplied - 160' 3. Al I topsoil, stumps, and boulders must be removed from the area of the system. Silt fence shall be installed ' AREA r' prior to any system, driveway, house construction or L = 179.02 / R - 518-74' OF stump removal. . 20 SCA LE e83 39 4. Town rani tari an must he notified before any pipes or AREA MA 232 i / appurtenances are backfilled. SCAL E: 5. There are no we 11 s wi thin 7.5 ' of this system. 06. Gravel fill shall be used to replace all topsoil and •�a5.00' subsoil as required by the Town Sanitarian. Gravel shall be placed in 6"-8" lifts and shall be mechanically compacted. 234/ f f -240 7. Gravel f 1 1 shal1 have a maximum of 5$ fines passing a Standard No. 200 sieve and a maximum of 10$ passing a No. 100 sieve. A l 1 gravel fill shall be approved by the Town Sanitarian prior to deposition. Gravel fill 242 in place shall have a pert rate equal to or faster than the design rate. i 1111, _ 4 . 8There shall he no cuts within 50' of the downhill side _ of the system or within 25' of the sides of the system. There shall be no stumps or boulders buried within 50' /�- / 246 of the downhill side of the system. There shall be no footing drains or stone placed around or under any A �i /� � proposed structure within 50' (down gradient) of the 8 system. 000*1 9. Should any significant variations from test ho1'e data 248 / / 8 ' • _ shown (ledge, water, mottling, soil type) be discovered 99. 75' - - -- //�/ by the contractor, the engineer shall be notified prior CAP PIPE Eitil®S � to construction of the system. B. M. 7VP M. S. / e. -- ---__ _ _-__-_-- EL . = 239. 66 , / �W /OI/ PT 240 --law r/NG ' � 1 ORA/ N 0./ / `--� �- rH X02 �o 242 � `� ,�/ � � �1t / - GAR _'052. 244 /-_f tREE I 05' 4� I / -f "Z P51 H SE pp I 246 E \ T- ' \O DA/N -N O 1 / �' �� PROPOSED", Ila / / / WEL L � . � �,--oma- -- 248 .. �_ LOCA 7"` f r4 1255 255 256 E / tN !03 10. System a rPa and elevation sha11 be staked out by the - -250 engineer or surveyor prior- to construction. 11. In general, all construction practices, as per the I 4" PERFORATED PVC PIPE State of Connecticut Department of Health Services /N /2"x 48" TRENCHES guidelines, shall be adhered to. The following outlines w / / OF / STONE � some of the major procedures, but do not relieve the / contractor from full compliance due to their lack of D. BOX , SOL /D 4�VC(SDR 35) P52 P. men t ion he 1 ow: / A. A l l t opsol i 1, stumps, and hot11 dens sha 1 1 be r emc�� v WN./, 280 GAL ed from the area of the system and SEPT / C TANK / a / sl,s t em till. No machinery or vehicles shall ____254 ho allowed on the exposed raa t i ve soil. A�t rt<,t t ,eke ,n 1 e: within 8 n 4 - �` .31 _ r a 7. n / t arrrl i nc� Puddles. R. The earth shall be scarified prior to fill r /25s • placement . Gravel fill shall meet the specifications of Note 7 arid be placed in accordance with Note 6. C. No tr-rrcks or- heavy machinery shall be allowed / i rr the stripped area until 12" of gravel fill is in place. / 12. Tank manhole risers may be required to within 12 / inches of finished grade if top of septic tank is greater than 12 inches below grade. r Ll �T / --........ 683.3 9� *! THIS PARCEL IS LOT 16 OF AN APPROVED SUBDIVISION ON FILE WITH THE TOWN OF MONTVI LLE TITLED, " PHASE II , LOTS 16-26 GREYSTONE ESTATES SUBDIVISION, PROPERTY OF GREYSTONE ASSOCIATES, OLD COLCHESTER ROAD & MOXLEY ROAD , MONTVILLE, CONNECTICUT, SCALE 1 "-100 ', DATED SEPT 29, 1987. " PROPOSED SEPrIC SYSTEM DES/GN KEN WA DECKI LOT /6, GliEYSTONE OR / VE MONTV/LLE, CONNECT/CU T SCALE / "= 20 1 JUL Y 25, /9515 Q W. GERWICK ENG/NEER/NG P. O BOX 539, ITA VERY L ANE WA TERFOR D, CONNEC T/CU T 203- 442-2201 JN. 9503-119 / G., 2•DE` 5' 250SE____ _ _ - _ _t _ _____ __ ___ _ 250 o TIC Y TC�VI P S S /NVERlS A - MIN. INV. A T FOUNDA TION = 250.25 FINISH "� B - INV. INTO TANK = 249.50 GRADE C -INV. OUT OF TANK 249.25 D - INV UPPER TRENCH = 248.50 i GRAVEL FILL r0 WPL4CE 70PSaL 8 s E- INV. LOWER TRENCH 24750 SUBSOIL AS REO;9 BY MWN SANITARIAN 240 - - 24 O PROFILE A -A VER r: / " = 5' THIS PLAN IS THE CW6 NAL "K OF THE ENGINEER WhV REM INS SOILE HOR/z : / " _ /O' O1iUN&VIP. ALL COMES ARE FOR THE USE OF rW CL IEN7'. NO COPIES OF THIS M AN mAf BE MADE WI THAUT THE PrRAIISSION OF THE E"NSWEER. AM IS THIS PLAN CONSIDERED VALID W/TMGIUT ORIGINAL SEAL AAV S�G/M41'trl'i�. *! THIS PARCEL IS LOT 16 OF AN APPROVED SUBDIVISION ON FILE WITH THE TOWN OF MONTVI LLE TITLED, " PHASE II , LOTS 16-26 GREYSTONE ESTATES SUBDIVISION, PROPERTY OF GREYSTONE ASSOCIATES, OLD COLCHESTER ROAD & MOXLEY ROAD , MONTVILLE, CONNECTICUT, SCALE 1 "-100 ', DATED SEPT 29, 1987. " PROPOSED SEPrIC SYSTEM DES/GN KEN WA DECKI LOT /6, GliEYSTONE OR / VE MONTV/LLE, CONNECT/CU T SCALE / "= 20 1 JUL Y 25, /9515 Q W. GERWICK ENG/NEER/NG P. O BOX 539, ITA VERY L ANE WA TERFOR D, CONNEC T/CU T 203- 442-2201 JN. 9503-119