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PIPE I MIN. ` r_ -VERIFY- EXISTING_ SOIL_ PIPE_ ELEVATION _AT_ 0 BUILDING AND PROVIDE tu�iNIMUM OF 27. i z j PITCH IN PIPES UPSTREAM OF SEPTIC TANK o i I PUMP DISCHARGE (3" PVC) j 4.71 4.36 4.36 - ! - - PROVIDE CONSTANT PITCH - - TOWARD PUMP PIT FROM 1 + DISTRIBUTION BOX I 2000 GALLON OBSERVED HIGH GROUNDWATER I i + z, PUMP PIT ELEV. 2.7 UAL i II . i 19,000 GALL�N SEPTIC TANK + _ _.._._ _ .-- - -- - .. -- .__-..- . -.-•-- ----__.---_ . .. _-_.___ .__.. _. _,_. _ 5 42.2' i 1 , -10 15 3"0 PVC FROM PUMP PIT PROPOSED GRADE j 2 LEA HING FIELDS 100' X 60.5' 11 OUTLET DIST. BOX. 4"0 SCH40 PVC PERF. ® 0.005 + 2 REQ. 7.70 I PROPOSED GRADE ' ti 2' LEVEL SECTION II , 10 i _.__ 7.20 • 10:1 MAX. SLOPE - - - 4• PVC I S-0.010 fell ' \7.99 ! 7.70 ; 6.70 60.5 X 100 LEACHING FIELD 2 REQ. ( i - - - - - �• ,�%T -- �� _ I- _ i r. -sir -7.- -.1-.y - �"'T 'y .� %y���. r%_._ j'-'..�i �i- rr r,l 7 7 /i % �T,' 7 7 7 %- - -V-17-:- - 7- 7- 4- - - - -- - - 5 ._ -- +-Y .. .Y y y/- 1 ...fin .._' •T--7 T--f -�'r i��i %/ i / %' /!' / ; /-• `'` �•j - i j' f �f /' J` •� / NOTE: LIMIT OF SOILS REMOVAL IS 25 FEET LATERALLY IN ALL DIRECTIONS FROM THEPROPOSED LEACHING FIELDS.+ (SEE SHEET 1) THE DEPTH OF REMOVAL VARIESFROM SEVEN TO TEN FEET FROM EXISTING GRADE. DEPTH!OFREMOVAL SHALL ISTING-GRADE BE DETERMINED BY THE ENGINEER DURING FIELD INSPECTION OF THE EXCAVATION , __REMOVAL_WILL_-EXTEND._THROUGH-.PEAT,-DEBRIS'AND SANDS WITH .FINES'- 0 -- f>_.-x. , ._�... _ ,r' .... t . / ,.. _ . r ENT BY WEIGHT. f �� r` ,' 'y IN EXCESS OF FOUR PERCENT OBSERVED HIGH GROUNDWATER I ELEV. 2.7 , , , , I I i , ' I ' 00.0' + , I A 1 1 -10 ��EPTI C SYSTEM_ SE�CTI ON A -A FIRST FLOOR ELEV. 8.90 PROPOSED GRADE 1 in. = 10 ft. HORT. 1 in. = 5 ft. VERT. 10 ____ro-__ _ _.__ _-.....,.____.._-.._-'-_ -_._-r _._...__.-.___EXISTING BLDG: SEWER - ,_.-----_ - --_ - EXISTING GRADE HD C.I. COVER ® GRADE TYPICAL ! i 5.12I'll ---- - - - - -- E-- ---- - - - - -- ---- - - - - - ---------------i---- - - - -,- -- -- -- �------- - -- 1 4• PVC 4• PVC 4• PVC f i f S-0.010 4' PVC + S-0.010 ;OBSERV 5�0.010S-0.020 ""5.22 4.94 H.D. C.L4 PIPE10.0'14.94 MIN.LL ED H GH GROUNDWATER { ' i 4 ELEV. 2.7 Z3.,.- 5000-GALLON 1500 GALLON + 19,000 GALLON SEPTIC TANK + GREASE TRAP GREASE TRAP 0' i 17.5' 17.7' Y; 22. 4 s VERIFY; EXISTING SOIL PIPE ELEVATION AT BUILDING AND PROVIDE MINIMUM OF 1% PITCH IN PIPES UPSTREAM OF GREASE TRAP 1 SEPTIC SYSTEM SECTION B-B. 1 in. = 10 ft. HORT. FIRST FLOOR ELEV. 8.90 1 in. = 5 ft. VERT. _ 10 4 2" CURB STOP AND BOX j - - - - - S-0.010 _ 4• PVC 4.36 s-o.oes 5 - -- - _ _... - .. .. _..... _ 3• PVC TO LPACMNG FTIA 1 4.66 H.D. C.I. PIPE 4.41 ; 10.0' ' MIN. ! ' ! ? i I OBSERVED HIGH GROUNDWATER :1000 GALLON 2000 GALLON I PUMP PIT I ELEV. 2.7 SEPTIC TANK VERIFY EXISTING SOIL' PIPE ELEVATION AT BUILDING AND PROVIDE MINIMUM OF ;2% s PITCH' IN PIPES UPSTREAM OF SEPTIC TANK -10 SEPTIC SYSTEM SECTION C-C 1 In. = 10 ft. HORT. 1 in. = 5 ft. VERT. 10 5 -5 -10 SOIL TEST DATA DATE: NOV. 14, 1989 EXCAVATOR: PIONEER PUMP B.O.H. AGENT: NA ENGINEER: ELLIS & THULIN, INC. LOCATION: B-1 ELEV. DEPTH LOCATION: B-2 7.3 0.0 ELEV. DEPTH FILDIUM SAND 6.4 0.0 T 2.7 4.6 2.3 5.0 0.3 7.0 -2.7 10.0 -9.2 16.5 OBS. GW PEAT do CLAY BOG IRON ® 7' PEAT FINE - MED SAND MEDIUM SAND BOTTOM 2.5 3.9 2.4 4.0 -0.6 7.0 -8.8 15.2 -11.8 18.2 SOIL TEST DATA DATE: SEPT. 17, 1992 EXCAVATOR: CAPE LAND B.O.H. AGENT: B. MURPHY ENGINEER: ELLIS & THULIN, INC. LOCATION: TP1 ELEV. DEPTH 5.2 0.0 4.2 1.0 SAND FILL 3.7 1.5 LOAMY SAND FINE TO MEDIUM SAND 1.2 4.0 0.2 5.0 MED. TO COARSE SAND FINE TO MEDIUM SAND -3.3 8.5 BOTTOM SAND FILL OBS. GW PEAT F-M SAND BOG IRON LOOSE MED SAND F-M SAND MED. SAND FINE TO MED. SAND BOTTOM LOCATION: TP2 ELEV. DEPTH 6.0 0.0 LOCATION: B-3 ELEV. DEPTH 7.0 0.0 2.6 4.4 0.2 6.8 -2.2 9.2 -4.5 11.5 -7.2 14.2 -10.0 17.0 FINE TO MEDIUM SAND (FILL) PEAT 3.0 3.0 2.5 3.5 LAYERS OF PEAT AND 0.5 5.5 PISIS TO MED. SAND BOG IRON FINE-MED SAND AND SILT -2.0 8.0 LAYERS • OF MED. TO COARSE SAND GRAY FINE SAND -6.5 12.5 NOTE: WATER SEEPING INTO BOTH TEST PITS AT APPROX. ELEV. 2.0 BOTTOM SEWAGE FLOW ESTI M ATE SOURCE UNITS GPD/UNIT QTY GPD COMMENT MED. SAND TRACE SILT OBS. GW MEDIUM SAND SEPTIC ODOR MEDIUM SAND MED. SAND FINE TO MED. SAND FINE TO MED. SAND BOTTOM RESTAURANT SEAT 35 330 11550 310 CMR 15.02 (13) APARTMENT BEDROOM 110 3 330 310 CMR 15.02 (13) FISH MARKET EMPL 15 2 30 310 CMR 15.02 (13) PROCESS WATER EST 150 1 150 ESTIMATE TOTAL ESTIMATED PEAK DAY FLOW 12060 SEPTIC TANK TOTAL FLOW X DET. TIME = 12060 GPD X 1.5 DAYS = 18090 GAL. USE 19000 GALLON TANK GREASE TRAP SOURCE UNITS GPD/UNIT QTY GPD COMMENT RESTAURANT - KITCHEN SEAT 1 15 1 330 1 4950 310 CMR 15.02 (13) TOTAL FLOW X DET. TIME = 4950 GPD X 1.0 DAYS = 4950 GAL. USE 5000 GALLON TANK LEACHING FACILITY LEACHING FIELD LEACHING AREA CAPACITY N0. LENGTH W� TH DEPTH SIDE BOTTOM SIDE BOTTOM TOTAL ft ft ft sf sf gpd d (pd 2 1 100 1 60.5 1 0.5 NA 6050 NA 12100 12100 PERCOLATION RATE: 2.0 MIN./IN. LEACHING RATE: SIDE - 0 GPD/SF. BOTTOM - 1.00 Lli U ~ O Y LLJ I- Z N � O U Q LLJ Ljj - o Q w V) Q U Fa- uj U w W OL/) O V) 0 0 z Q EXISTING FISH MARKET (APPROX. TOP OF FOUNDATION) 7.00 HD. C.I. COVER ® GRADE (TYPICAL) �/ -- _ ----- ------ -� < � - ---- - -" --- - - - - -- - --- 2" HD POLY OR SCH40_PVC 0 4• PVC i S-0.020 i -_.,h' 4• PVC S-0.010 _ _ ._. _ __. ._... _ -.- Q %1 vw, Q 4.25 3.75 5.40 �H1 - d cn N =o P}- J S 4.00 + 3 70 3.70 CONSTANT SLOPE TOWARD PUMP PIT J L.C_ Q 2 Q LL.I Ld VERIFY INVERT AT EUILDING, PROVIDE TWO FOOT OF COVER ON BUILDING SEWER Q LL1 o U 0 AT BUILDING AND 2% MIN. PITCH TO SEPTIC TANK. OBSERVED HIGH GROUNDWATER �04 O 0 N PUMP 1000 PIT ELEV. 2.7 W w LLJ I- m GALLON SEPTIC D 0 Q p _ .. TANK _ - -- - U_ a 12.6' 5.3' 56.9' ~ W O LJ SECTION THRU SEPTIC SYSTEM D-D. -� 1 in. = 10 ft. HORT. 1 in. 5 ft. VERT. �8 - 0 4 0 = SHEET 2 OF 4 PUMP PIT SPECIFICATIONS:- PART 'l GENERAL PART 2 PRODUCTS 1.01 SUMMARY 2.01 MATERIALS A. Work Includes: A. A Pump Pit: 1. Furnish and install pump pit, pumping equipment and 1. Provide all necessary elbows, tees, adapters, controls.' couplings, collars, piping and fittings for connection of all pump pit structures and components. 1:02 QUALITY ASSURANCE 2' Piping and fittings: All internal pump pit piping shall be SCH40 gale. iron pipe. A. Qualifications: 1. Manufacturer: Firms regularly engaged in manufacture B. Pump Pit Structures: ; of'Pump Pit products of types, materials, and 1. Provide 2000 gallon precast concrete septic tank sizes required, whose products have been in satin- adapted for pump pit use. factory use in similar service f-or 5 years minimum. 2• Provide structures with proper inlet and outlet and B. Codes, Standards and Inspections: other access openings as indicated. i. Pump Pit Materials and Installation: Comply with 3; provide precast concrete or concrete block risers where all applicable provisions of Massachusetts access is indicated at grade level and termination with Environmental Code 310 CMR 11.00 and 15.00 (DEQE Title cast iron frames and covers as specified on these V) and local Board of Health regulations. drawings or equal. 2. Obtain all necessary permits, inspections and approvals 4. Precast Structures: As manufactured by Acme Precast, . from local Board of Health in proper sequence and Linhares Precast or Rotundo _for standard H-20 vehicle loading. manner. - 3. Comply with all applicable codes pertaining to products and installation of electrical, plumbing and mechanical C. Cement Mortar: Gomel with Massachusetts Standard y equipment. Obtain all necessary permits, inspections M4.02.15. one (1) part Portland Cement and two (2) parts of and approval of regulatory agencies. " clean masonry sand by volume with sufficient water to form a workable mixture. 1:03 SUBMITTALS D. Pumps: A. Product Data: Submit manufacturer's technical product data PP1-Provide two MEYERS WHR10 1-HP 230V 1ph pumps. and installation instructions for pumping equipment and pit Pumps of equal Quality having a minimum pumping capacity of components not specified on these drawings. 110gom at 22ft TDH may be substituted upon approval of Engineer. PP2-Provide one MEYERS SRM4MIC pump. A pump of equal 1.04 PROJECT/SITE CONDITIONS quality having a minimum pumping capacity of 45 gpm at 13ft TDH may be substituted upon approval of Engineer. A. General: The location of underground utilities, septic systems and structures shown on these plans is approximate. E. Pump Controls: Notify, DIG SAFE (1-800-322-4844) and the Yarmouth Water PP1-Tire control box shall. be OHIO ELECTIRC CONTROLS Department (508 392-4974) at least 72 hours prior to any CWH1021DSP. NEMA1, with bell, light, and switches to excavation for this project work. Verify building inverts, silence bell and test system. The control box shall also and report immediately to Engineer all site conditions contain a cycle counter for each pump which will record the which would conflict with execution of this project work as total number of times the pump switches on. described on these drawings. PP2-The control box shall be OHIO ELECTRIC CONTROLS CR411SP. NEMA 1, with bell, light, and switches to B. Provide. install.and maintain all temporary construction to silence bell an test system. The pump control box shall protect persons and property from injury during the also contain a cycle counter for each pump which will ' construction period. record total number of times the pump switches on. TANK BUOYANCY DATA SEWAGE PUMP NO. 1___(PP1 2"0 GALV. IRON PIPE SECTION A -A 4" SCH40 PV VENT LEBARON LT105, 430LBS PRECAST CONCRETE CONE SECTION MANHOLE o ►'ram 1'-0" N �. BARREL SECTION 1' MIN. �►1nur■ PUMP PIT SECTION A- A RISER, FRAME & COVER is OUTSIDE DIMENSIONS THICKNESS SOIL - SUBMR, TANK SOIL WATER FACTOR STRUCTURE LENGTH WIDTH DEPTH TOP BOTTOM SIDES COVER DEPTH WT WEIGHT DISP. OF (FT) (FT) (FT) (FT) (FT) (FT) (FT) (FT) (LBS) (LBS) (LBS) SAFETY 2000 GAL. PP' 13.00 6.50 5.33 0.50 0.50 0.50 - 3.5 3.2 24700 34011 16873 3.5 OTE, TANKS ASSUMED EMPTY, GROUNDWATER AT LEVEL OF MAXIMUM HIGH GROUNDWATER C 13'-0" INCREASE TO 3" SCH40 PVC ® 3' FROM TANK I I I SEWAGE PUMP DISCONNECT I I 30"0 OPNG i I A .- - - --, I \ ELEC. JNCT. BOX i �I / I F--_ 1 ' - I I I 1 I I I I DUAL SEWAGE PUMPS i \ � � I I I 6" ----------- - - - - -- -- ELEC. SERVICE CONDUIT 2000 GALLON H-20 PRECAST SEPTIC TANK W/ 24" x 24" OPNG AT BOTH ENDS FROM ST. PLAN PUMP DISCONNECT - MOUNTED W/ 1/4" x 3" MEYERS CS85SS GALV. LAG SCREW W/ FLOAT SUPPORT BRACKET LEAD SHIELD r RISER HT. VARIES . CAMPBELL "MARTINSON" SPDS8 SEE SHEET 2 SEWAGE PUMP DISCONNECT 6" 1/4" GALV. CHAIN •: ATTACHED TO BOTH PUMP - 3" DISCONNECT MAX. LIQUID LEVEL - (TYP) ' J Q t ' CONROY 2"0 GALV. IRON PIPE 2900-15 OUTLET TO LEACHING FIELD on FLOAT SWITCH r (TYP) �. 0 V 6" MEYERS WHR10 SEWAGE PUMP 4" 10 230V, 1HP TWO PUMPS REQUIRED SECTION A -A 2000 GALLON PUMP PIT, ,iz -1-Off PART 2 PRODUCTS cont. 2.01 MATERIALS- F. Conduit and Junction Boxes: Electric wiring shall be continuous in appropriate conduit from the pump pit to the controls and to the power source. The float switch activated alarm shall be powered by a circuit separate from the pumps. Make splices in wiring at secondary splice box, "Highline Products HL -41A, Fargo Mfg. (Brooks) 8-125A or equal, located near the pump pit access covers. PART 3 EXECUTION 3.01 INSPECTION A. General: 1. Examine areas and conditions under which pump pit's materials and products are to be installed. Note that the base of precast system components will be located as much as five feet below high groundwater level. Provide dewaterino during construction sufficient to reduce groundwater to at least one foot below -the base of each component to allow excavation and placement of foundation materials on undisturbed soil, and proper comoaction of backfili materials. 2. Do not proceed with Work until unsatisfactory conditions have been corrected in a manner acceptable to Enaineer. 3.02 INSTALLATION A. Pump Pit Piping: 1. Make all steel pipe joints permanently gas and watertight using appropriate threaded fittings. 2. Make all pipe in connections at knockout locations provided in precast structures. 3. Supoort pipe at proper elevation and fill opening around -pipe with mortar. 4. PP1-Provide appropriate adapter to 3" SCH40 PVC at 2' outside of pump pit wall. Provide 2" curbe stop, (Mueller Mark II, Oriseal. or Ford, Red.Hed, Jones Ball Valves or equal) and Buffalo 145-R slide type valve box prior to expansion to 3" PVC SEWAG E PUMP NO. 2 (PP2 RON LT105, 430LBS PLAN 26" 8 1/8" FULL MORTAR BED 1 1 /8" BRICK ADJ. COURSE w PC CONC. RISER > _ IF 'D' EXCEEDS 18" 0 TOP OF STRUCTURE 24w SECTION A - A. RISER. FRAME & COVER. 1/29f -l-o PART 3 EXECUTION cont. 3.02 INSTALLATION B. Precast Concrete Tank: 1. Place on level base of 3/4" to 1-1/2" washed stone at least one foot in depth. 2. Bacufill with clean granular soil compacted to 90% of ma>•imum dry density as determined by ASTM D.698 or AASHO D:T99, Assemble tank components in accordance with manufactures instructions components to achieve guaranteed watertight structures. Assemble tanks in dewatered excavations. pump dry and demonstrate watertight construction by absence of leakage through construction joints for a 72 hour period after restoration of high groundwater level.- ' C. Pumps and Controls: 1. Install oumcs and controls in strict compliance with manufacturers instructions. Set the elevation of float switches to provide the drawdown shown on the plan. Set the high level alarm switch at to activate the alarm when the liouid level in the pit reaches the inlet invert. �. Set pumps to operate in the following sequence: PP1 (a) Pumps off (b) Lead pump on at water level 4.08' (c) Lead pump off at water level 0.33' (d) Alarm and lag pump on at water level 4.33' Pumos shall alternate. PP2 ( a) -Pump of f (b) Pump on at water level 1.33' (c) Pump off at water -level 0.33' (d) Alarm on at water level 3.0' All water levels referenced to inside bottom of pump pit. 3. Demonstrate satisfactory operation of the pumping system by operating the system through each pump cycle with clean water. TANK BUOYANCY DATA QUTSIDE DIMENSIONS THICKNESS SOIL SUBMR. TANK SOIL WATER FACTOR STRUCTURE DIAMETER DEPTH TOP BOTTOM SIDES COVER DEPTH WT WEIGHT DISP. OF (FT) (FT) (FT) (FT) (FT) (FT) (FT) (LBS) (LBS) (LBS) SAFETY 600 GAL, PP 6.00 5.30 0.67 0.67 0.25 1.5 3.2 8366 4877 5646 2.3 GTE, TANKS ASSUMED EMPTY, GR7lh4DWATER AT LEVEL OF MAXIMUM HIGH GROUNDWATER 4"0 PVC VENT ELECTRIC SERVICE CONDUIT NON -CORRODING BAR ELECTRIC JUNCTION BOX SUPPORT FOR FLOAT SWITCHES I I 2"0 HD POLYETHYLENE I I I OUTLET A L-- A OQ cl�V) Q Q= (D LLI F- r) z �--� 0 (n E� Do (n W 4- w / ACME PRECAST \ 600 GALLON H2O SOLID PIT z /O_//•• 4"0 P VC ` W INLET (TYP) \ / 24"0 OPNG CK / SRM4M1 CHUMP 2" GATE VALVE & CURB BOX � U F- Y W O CV p th U Z 0 V) 6' 0 `t O W > Z J J PLAN QW0Q� ELEC. CONDUIT W U W W RISER HT. VARIES 4" 0 INLET H2O REINF. CONC TOP z '0 N F- Q F - 3 2"0 160 PSI W HIGH LEVEL SWITCH HD POLYETHYLENE 0 CAMPBELL SPDS8 I I ;V2" CURB STOP & BOX 0- �/ F- M GUIDE RAIL & SEWAGE CONROY >-- L = F- J °o PUMP DISCONNECT MERCURY SWITCH #2900-15 W r o Q 5� 3 REQUIRED U w z 1/4" GALV. CHAIN. z } Li 178 GAL/FT. Q 3 C) --i FREE -FLOW 006 NN 4' _ r CHECK VALVE M o W w x co Q m J 0 d 5'-6"0 2"0 SCH 40 GALV. I.P. Fa- LLJI..L MEYERS SRM4MIC W O SECTION A - A SUBM. PUMP L- ONE PIECE PRECAST CONC. 1(Mn PUMP PIT - ACME LCB 600 W NOTE : SET INLET AND OUTLET 0 1' ABOVE MAX. HIGH GROUNDWATER 0 600 GALLON PUMP PIT,/201'_o"89-040 SHEET 3 OF 5 17'-0" --------------- --- - - - -- , A i 24"7.0 OPNG I A I 1 _ I ji, 8"0 KNOCKOUTS (TYP)---------------------- PLAN 8" 6- SECTION A -A p NOTE: TEES SHALL BE SCHEDULE 40 PVC PROPERLY SUPPORTED BY HANGAR STRAP OR OTHER DEVICE. 5000,GALLON GREASE TRAP 1 /4" = 19- 0" 36'-7" A -T 24"0 OPNG. 0 1 � 8" KNOCKOUT i PLAN 11'-0" A -------------'i A 21" OPNG �o 8" KNOCKOUTS (TYP) 6" �- - - - - - - - - PLAN 11 10 T �-J 0 M = J o 0I tO to d- N Ci �•' _ co SECTION A- A 1500 GALLON GREASE TRAP 1 /411 = 1'- 0" TANK BUOYANCY DATA I � I L I I A - L I n � a I I I - -1 I I I U r I I f r i \L----1-rl-rl�rr-� 4'- 8" PLAN 4" 21"0 5" B B 1'-0" 8w _ -� SECTION A- A t.� .. 1._4w 00 I 1'-0" 4'- 8" SECTION B-B I I i I I 0 6" N I 1 1 0000f I---1-L ---- - - - - - I V 4'_8" SIDE 14 OUTLET DISTRIBUTION BOX 1 /2" = 1 ' - 0" OUTSIDE DIMENSI❑NS THICKNESS SOIL SUBMR. TANK SOIL WATER FACTOR STRUCTURE LENGTH WIDTH DEPTH TOP BOTTOM SIDES COVER DEPTH WT WEIGHT DISP. OF (FT) (FT) (FT) (FT) (FT) (FT) (FT) (FT) (LBS) (LBS) (LBS) SAFETY 19000 GAL, ST 36.58 11.00 9.21 0.67 0.50 0.50 1 5.5 126792 46278 138109 1.3 1000 GAL, ST 9.00 5.25 6.00 0.50 0.50 0.50 1 3.7 17025 5434 10909 2.1 5000 GAL, GT 17.00 7.00 9.17 0.67 0.50 0.50 1 4.4 48473 13685 32673 119 1500 GAL. GT 11.00 6.50 6.00 0.50 0.50 0.50 1 4.4 23100 8223 19631 1.6 NOTE, TANKS ASSUMED EMPTY, GROUNDWATER AT LEVEL OF MAXIMUM HIGH GROUNDWATER A C.I. BOLT POCKET BUTYL RUBBER GASGET 6" m SECTION A- A 19,000 GALLON SEPTIC TANK. 7/8"0 BOLT --� CHAMFER ® CORNER TYPICAL BOLT CONNECTION NTS SECTION B-B 1 1 1 9'-0" - - - - - - - - - - - - - - - - - - - - - - l- 24"0 COVERS - \ I I I I�I � / I 1- I 8" KNOCKOUT (TYP) I ------------------- PLAN SECTION A -A 1000 GALLON H2O) SEPTIC T 6" 6" ANI< SPECIFICATIONS PART 1 GENERAL 1.01 SUMMARY A. Work Includes: 1. On -Site Subsurface Sewage Disposal System (Seotic System). 2. Site Removal. Disposal and Restoration 1.02 QUALITY ASSURANCE A. Qualifications: 1. Manufacturer: Firms'reoularly engaged in manufacture Of septic system products of types. materials, and sizes required, whose products have been in satis- factory use in'similar service for S years minimum. 13. Codes, Standards and Inspections: 1. Seotic System Materials and Installation: Comply with all applicable provisions of Massachusetts Environmental Code 310 CMR 11.00 and 15.00 (DEQE Title V) and local Board of Health regulations. 2. Obtain all necessary permits, inspections and approvals from local Board of Health in proper sequence and manner. 3. Construction of this septic system is subject to the inspection of the Design Engineer, Ellis & Thulin, Inc. (500) eee-2345. The Engineer will make sufficient inspections of work in progress to certify to the local Board that the installation conforms with these plans. Notify Engineer of the proposed construction schedule and keep Engineer informed of schedule changes as work. progresses. Engineer shall inspect when clean fill is in place under the leaching facility, and will verify system component location. elevation and function. 4. This project work is subject to provisions of the Order of Conditions issued by the Town of Yarmouth Conservation Commission under MGL Ch13O S40 and the Town of Yarmouth Wetlands Protection Bylaw. Make all notifications. and 'comply with conditions related to on -site execution of the work contained within the Order. 1.03 SUBMITTALS A. Product Data: Submit manufacturer's technical product data and installation instructions for all septic system components not specified on these drawings. B. Record Drawings: At project close-out, submit drawings of installed septic systems. show exact location and inverts of all septic system components and underground structures. 1.04 PROJECT/SITE CONDITIONS A. GenF-al:'The location of, underground utilities, septic systems and structures shown on these plans is approximate. Noti-fy DIG SAFE (1-800-322-4844) and the Yarmouth Water Department (50e 392-4974) at least 72 hours prior to any e^=c3vation for this project work. Verify building inverts, and report immediately to Engineer all site conditions which would conflict with execution of this project work as described on these drawings. B. Provide, install and maintain all temporary construction to protect persons and property from injury during the construction period. PART 2 PRODUCTS 2.01 MATERIALS A. Septic System Piping: 1. Provide all necessary elbows, tees. adapters, couplings. collars, piping and fittings for connection Of all septic system structures and building soil pipe. �. Piping and fittings: All septic system piping shall be SCH40 PVC with solvent weld joints except that the buildino sewer within•ten feet of the' foundation wall shall be EH Cast Iron Pipe. New water service to fish market shall be 150 psi rated 3/4" dia. HD polyethylene pipe or other as approved for use by the Yarmouth Water Department. S. Seotic System Structures: 1. Provide all precast concrete septic tanks, distribution boxes, pump pits and crease traps in sizes indicated. �. Previde structures with proper inlet and outlet and Other access openings as.indicated. 3. Provide precast concrete or concrete block risers and cast iron frames and covers as specified on these drawings where access to structures or piping at finish grade level is indicated on these drawings. 4. Precast Structures: As manufactured by Acme Precast. Linhares Precast or Rotundo for standard H-20 vehicle ,loading. C. Septic System Drainage Aggregate: 1. 3/4" to 1-1/2" washed stone free of iron, fines and dust in place and <0.2% material finer than a Number 200 sieve as determined by AASHO test methods T--11 and T- 27, 2. (Peastone) 1/e" to 1/2" washed stone free of iron. fines and dust in place and <0.2% material finer than a Number 200 sieve as determined by AASHO test methods T- 11 and T-27. D. Cement Mortar: Comply with Massachusetts Standard M4.c)2.15. one (1) part Portland Cement and two (2) parts of clean masonry sand by volume with sufficient water to form a workable mixture. E. Pumps: See pump detail sheet for pump specification and installation. �i 0 H LO W ' X H O60 m= OQ �Cn Q � LJLJ0 z H OV 00 V) W mot- w A a �v (n z O V) W W U 0 Y Q W Z N C) .C) tY Q Z W > _J Q Q (n a U I- tY z co L.L. Z D W Z Q � F- M O / V) J Q to 'm U W Of L,.i J W � �/ �+- o J } W U F Q 3 � •= _U ~ .MMLJJ 0 N 06 o N W (n W of W m ry Qo a N _J Q f- W 0 w m O 89-040 SHEET 4 OF 5 25' MIN. APPLY 4" ORG. LOAM AND 15' MIN. SEED WITH NATIVE GRASSES DO NOT PLAN BEACH GRASS WITHIN TEN FEET OF LEACH FIELDS PLANT DISTURBED AREAS WITH BEACH GRASS (NIC) 10 LIMIT OF CLEAN SAND FILL (NIC) 2" MIN. PEASTONEAL k AL ORDINARY FILL PERF:• PIPE; = • O.05'FT/F'T'• 4"0 SCH40 PVC VENT-----IMr 1�r • 1� ELEV: 7.T r :. ._ . ,: � ': •, •.: VARIES -" - -- - _..• __•, - _ - _ � 1 __,_-----.,IL __I�� •' >'.. a:, :.,6" MIN 4"0 SCH40 PERF. PVC ELEV. 6.7---------------------------- ---------------==��'------ LIMIT OF SOIL REMOVAL IS 25 FEET LATERALLY IN ALL DIRECTIONS FROM THE 3/4" TO 1-1/2" WASHED STONE ,t. EXISTING GRADE PROPOSED LEACHING FIELDS. (SEE SHEET 1) THE DEPTH OF REMOVAL VARIES : t• I !� '/�.` r/�//�" ,/: !�✓'/� /•'r�` /'`" FROM SEVEN TO TEN FEET FROM EXISTING GRADE. DEPTH OF REMOVAL SHALL \'!' /\``'/�\ �'' /\` /,'\' /♦ \ /♦\� %\ /:\' �\ BE DETERMINED BY THE ENGINEER DURING FIELD INSPECTION OF THE EXCAVATION AND FILL PROCESS. REMOVAL WILL EXTEND THROUGH PEAT, DEBRIS AN SANDS WITH FINES MEDIUM S IN EXCESS OF FOUR PERCENT BY WEIGHT. GROUNDWATER OBSERVATIONSSECTION A -A (SHEET 1 - 1 /2" = 1'- 0" STOCKADE FENCE AT PROPERTY LINE 25' MIN. 15' MIN. GROUNDWATER ELEVATION PARKM PoVO nATF i rnuurmTC WFI I A-1 WELL B-2 WELL 8-3 WELL B-4 WELL B-5 ELEVATION 11/14/89 11/14/89 11/14/89 11/15/89 11/15/89 TIME OF TIME OF DATE MEASUREMENT HIGH DE 11/27 3:30 PM 11:58 AM 2.47 1.96 2.00 1.76 2.02 12/07 7:30 AM 7:26 AM 2.52 2.26 2.3 2.26 2.32 12/11 7:30 AM 11:03 AM 1.77 1.76 1.7 1.86 1.72 12/13 1:10 PM 12:45 PM 2.62 2.46 2.65 2.66 2.52 3.33 PLANT DISTURBED AREAS WITH BEACH GRASS 4"0 SCH40 PERF. PVC 10 LIMIT OF CLEAN SAND FILL (NIC) 2" MIN. PEASTONE •�M_7 _71 -_�Irllr 1 ORDINARY FILL :: �, •• . : • •. VARIES - - s:-----_= -°z------------r---------- - - - - -- I�k�r _-------- - - - - -- ---- Air -4. � 11r 1�IG 6' 3'- 3" 7 w. - -- - -- - - - - - - --- - - --i�--1- - _ .- - - -- - = = --------------------I EXISTING GRADE I I : , rr ''\'• `. i '. \! \ / `\./ ,\i �,.\i \/ ' \ / •,/,-. \ /' ••.\% 3/4" TO 1-1/2" WASHED STONE �� . / �.'/ !\`'/ �iJ / MEDIUM SAND FILL TANK WIDTH VARIES OLBS 4" PVC CONC. INV. \ BRICK ADJ COURSE YREINF. CONC. SLAB o F-L A , 14 0 8" E.W. 2" MIN. COVER SECTION 13-13 (SHEET 1 1 /2" = 1'- 0" HD. C.I. FRA►AE k COVER FIN. GRADE PC TANK RISER s CONC. INV. PLAN SECTION A -A SEWER MANHOLE. 1 /219 0" 4" PVC 2 - 6"X6"X6' LANDSCAPE TIMBERS 90' EL. AND 90' STREET EL OR U BEND GALV. PIPE STRAP : 1 FINISH GRADE �j N 24" X 24" CONC. PAD o\, \ %. 8" MIN. COVER NTS - \ /; ? ''i ' \ \ 4"0 SCH 40 PVC 45' EL TYP / \ ' COMPACTED EARTH BACKFILL 4"0 PVC DISTRIBUTION LATERAL 4"0 PVC VENT, 1 /2" = 1'- 0" LEBARON LT105, 43 A r A - 2'-2"- 2'- 10"- PLAN 26" 8 1/8- FULL MORTAR BED W 1 1/8" BRICK ADJ. COURSE LU PC CONC. RISER > IF 'D' EXCEEDS 18" 0 TOP OF STRUCTURE 24" SECTION A -A TYPICAL TANK. RISER, FRAME & COVE 1 /2" = 1'- 0" SPECIFICATIONS cont. . F. _Dense Graded Stone Base: Dense oraded stone base shall comply with Mass. DPW Standard Specification M2.01.7 as amended except that the gradation requirements shall be as follows: Sieve size Percent Passinq 1-1/2" 100 3/4" eo-100 #4 30-60 #50 10-35 #200 2-10 G. Where water service pipes cross septic system pipe both pipes shall be placed such than no joint occurs within ten feet of the crossing. Encase water pipe in 2" Sch40 PVC for ten feet either side of the crossing. Fill space between service pioe and encasement with mortar at both ends of the PVC. PART 3 EXECUTION 3.01 INSPECTION A. General: 1. Examine areas and conditions under which septic system's materials and products are to be installed. Note that the base of precast system components will be located as much as five feet below high groundwater level. Provide dewatering during construction sufficient to reduce groundwater to at least one foot below the base of each component to allow excavation and placement of foundation materials on undisturbed soil. and proper compaction of backfill materials. 2. Do not proceed with Work until unsatisfactory conditions have been corrected in a manner acceptable to Engineer. Make sufficient subsurface investigations to determine the extent of existing septic system leaching area and components. Obtain approval of the Yarmouth Board of Health for disposal site and method of disposal for existing system components. 3.02 INSTALLATION A. Existino Septic System: Preserve existing building sewers which may be properly connected to new components. Pump existing components dry and remove to the level of the lowest invert in the structure or to such depth or extent as reouired for placement of new construction. Fill remainira volume in precast structures with clean sand sufficiently cbmoac.ted to maintain the level of finish grade. B. Septic System Piping: 1. Make all -2,1C joints permanently gas and watertight using appropriate solvent -weld methods. 2. Make all oipe connections at knockout locations Provided in precast structures. 3. Support pipe at proper elevation and fill .opening around pipe with mortar. n. Place piping on firm and undisturbed base of natural soil or compacted fill and backfill with clean granular soil properly compacted. C. Septic Tank. Grease Traps, Pump Pits and Distribution Boxes: 1. Place on level base of 3/4" to 1-1/2" washed stone at - least one foot in depth. 2. backfill with clean granular soil compacted to 90% of maximum dry density as determined by ASTM D.698 or AASHO D:T99. 3. Assemble tank components in accordance with manufactures instructions to achieve guaranteed watertight structures. Assemble tanks in dewatered excavations, pump dry and demonstrate watertight construction by absence of leakage through construction joints for a 72 hour period after restoration of high groundwater level. 4. Demo-strate equal distribution of fluids to laterals by water testing. D. Leachino Fields: 1. Remove pavement, vegetation and debris from leaching field area including proposed side slopes, and remove from site. 2. Excavate and stockpile existing clean sand fill and native soil which meets backfill specifications. 4. Excavate and remove from site all peat, debris, and soils with excessive fines from beneath the leaching field to the lateral limits indicated. Removal will included all soils with an excess four percent passing the number 200 sieve. 5.. Backfill excavation with clean stockpiled sand and sand borrow. Clean medium sand backfill (<0.2% passing #200 sieve) may be placed in groundwater. Allow sufficient time to re-establish natural groundwater elevation before constructing fields. Fill above the water table shall be placed in lifts not to exceed one foot compacted to 80% maximum dry density. Demonstrate percolation rate of in -place fill to be less than two minutes per inch. 6. Construct leaching fields on prepared level surface in accordance with these drawings. Support distribution laterals to achieve uniform 0.005ft/ft pitch. Do not subject field to heavy vehicle loading until one (1) foot of cover material is in place. E. Temporary Construction: 1. Provide, install and remove temporary shoring or bracing as required to protect underground utilities. foundations or structures from damage during construction. 2. Provide and install siltation barriers and/or other measures as required to prohibit transport of sediment to drainage systems on or adjacent to the site or to Parker's River. F. Site Restoration 1. Provide fill materials, fill and grade construction area to elevations shown on these plans. 2. Provide and install dense 6" graded stone base on areas desionated for paving or vehicle use. Finish grade to elevations reouired for subsequent surfacing. Ln IN �j O Cn (n LnF_ X LIJ I-� O V) mU OQ n*V) Q E v Q= p0 (.0 Ew- � Z H O (n 00 VIM (f) Z O_ V) W Of N 0 ~ U 0 W Q w W 0_ U Z to H O Z N w Q N p1 . d) U CO O J Fa- � F_ Z Q Q J � /) Q WJ W Ld (/) O U CC F- W IZ V) N POO =O F- J J F- w } aZ 3 Cy v m N w o W 0 N x W W 0 m � a 89- 040 SHEET 5 OF 5