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HomeMy WebLinkAbout36.66.3 Septic System Design PlanSOIL TEST PIT DATA NOT TO SCALE TEST PR TP-3A(i1) TEST PIT TP -3B( 2) DATE 10-8-14 DATE 10-8-14 GRD. EL 16.3 GRD. EL 15.7 SHGW EL 9.0 SHGW EL N/A EL 15.5 EL 14.3 EL 12.1 EL 9.0 EL 5.8 C COARSE SAND ,OYR 4/6 )' EL 15.0 24' EL 13.6 So' 6" EL 9.0 26' EL 5.7 OA / SANDY LOAM j10YR 3/2 B / LOAMY SAND ,OYR 5/6 C COARSE SAND 10YR 4/6 9" 25" 80' 120" �- ADJUSTED GROUNDWATER LOW POINT IN STREET, ELEVATION 9.0 PER BOH AGENT REMOVABLE o COVER 5. 4' T �. . „• O O I4 24• 13. BOTTOM ON LEVEL STABLE BASE 6" MINIMUM 3/4' TO 1-1/2' �-- 24' VI-►� SECTION EW CRUSHED STONE PLAN VIEW NOTES 1. DISTRIBUTION BOX TO WITHSTAND H-20 LOADING. 2. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 3. FIRST TWO FEET OF PIPES OUT OF DISTRIBUTION BOX SHALL BE LAID LEVEL. 4. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 5. CONCRETE COVER SHALL BE SET WITHIN 6 INCHES OF FINISHED GRADE DESIGN CALCULATIONS DESIGN FLOW 3 BEDROOMS O 110 GPD/BEDROOM = 330 GPD 330 GPD X 200% - 660 GALLONS USE 1,500 GALLON SEPTIC TANK S17F OF REQUIRED LEACHING FACILITY DESIGN PERC. RATE <2 MIN/INCH LONG TERM APPL RATE 0.74 GPD/SF 330 GPD + 0.74 GPD/SF - 446 SF SI7E OF LEACHING FACILITY PROVIDED USE (3) 500 GALLON CONCRETE LEACHING CHAMBERS IN TRENCH CONFIGURATION WITH 3' STONE ON ENDS AND 1.5' STONE ON SIDES. BOTTOM AREA 36.0' X 8.0' = 288 S.F. SIDEWALL AREA: 2 X (2 X (36' + 8')) = 176 S.F. EFFECTIVE LEACHING AREA = 464 S.F. 464 S.F. X 0.74 GPD/S.F. = 343 GPD (INSTALLED CAPACITY) 343 GPD > 330 GPD (13 GPD RESERVE CAPACITY PROVIDED) ONSITE SOIL EVALUATION DATE OCTOBER 8, 2014 TEST BY: BSC GROUP, INC. WITNESSED BY: AMY VON HONE, R.S., CHO LICENSED SOIL EVALUATOR: KIERAN J. HEALY. PLS PERCOLATION RATE < 2 MINS./INCH SOIL CLASS: CLASS 1 LT.A.R.: 0.74 GPD/S.F. HIGH GROUNDWATER COMPUTATION BASED ON TP 3B 2 DEPTH TO WATER 10.0' INDEX WELL MIW-29 WATER LEVEL RANGE ZONE B CURRENT DEPTHOINDEX WELL(10/14) 9.7 USE ELEV. 9.0 BOH AGENT DEPTH TO HIGH WATER 6.7' LEGEND UNSUITABLE - ESTIMATED (TO BE REMOVED) MATERIALS �' SEASONAL HIGH GROUNDWATER PERCOLATION v OBSERVED TEST RANGE GROUNDWATER ETER (TYP.) DIA. /ER ' 1HOUS / � \ ' �{i BEDROOM ) � f HOUSE W NOT TO SCALE NOTES MIN. 20' DIA. COVER, TYP. 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. RAISE (2) TO WITHIN 6" CF FINISHED 2. SEPTIC TANK SHALL BE CAPABLE OF THSTANDING H-20 GRADE USING SEWER BRICK AND WI LOADING. MORTAR AS NECESSARY 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 6" MAX 4. TEES SHALL BE SCH. 40 PVC AND SHALL BE LOCATED WITHIN 12' OF TANK WALL AND ACCESSIBLE FROM TANK COVER. w 5. FILL ALL UNUSED KNOCKOUTS WITH HYDRAULIC CEMENT. T 1 6. 11'-0' 10'-0' 10' 3' 4'-1"y//GAS BAFFLE f ' - - I LIQUID LOCATE DEPTH INLET TEE OUTLET TEE UNDER COVER 6'-2• I 6- 6. 6' MINIMUM PLAN VIEW 3/4' TO 1-1/2' CROSS-SECTION VIEW CRUSHED STONE I r0N1raf7Tf7 I PerNiKir ruAkAQr*Q lu-0rn1 NOT TO SCALE 20' ACCESS COVER 4" PERFORATED PVC TO WITHIN 3 INCHES W/SCREW CAP TO EXTEND DOWN OF FINISH GRADE TO NATURAL SUBGRADE 5' DIA. KNOCKOUT (TY P.) 1-1/2" TAPER F - 777 117 pppppp pppp pppppp pppp pppp F12-36"COVER'V( COVER p p p p =16=1 =1 p pp "pp npp HD PE~ RISER pO pp MM= [:3 36" pp pOppED =1 =1 EFFECTIVE DEPTH ppp 8 -6" 10 , FRONT VIEW NOTES SIDE VIEW ,. ONE ACCESS COVER PER SYSTEM SHALL BE RAISED TO FINISH GRADE. 2. CHAMBERS SHALL BE 500 GALLON LEACHING DRYWELL, MANUFACTURED BY SHOREY OR APPROVED EQUAL 3. GEOTEXTILE FABRIC MAY BE USED IN LIEU OF DOUBLE WASHED STONE. ss. SHED 6.0' 9s• \ / ED 7R s 100' BUFFER TO BOGS \ AND WETLANDS (BOG DRY) 1 - CONCRETE BOUND /DRILL HOLE FOUND & HELD LISA HALLETT TIMOTHY McGOFF ASSESSORS MAP 36 PARCEL 67C LOCUS OA 4' INVERT AT BUILDING SANDY LOAM HABITAT FOR HUMANITY j10YR 3/2 16.87 / 1 e DEED 28050, PAGE 152 / LOAMY SAND PLAN REFERENCE: 10YR 5/6 'tel C COARSE SAND ,OYR 4/6 )' EL 15.0 24' EL 13.6 So' 6" EL 9.0 26' EL 5.7 OA / SANDY LOAM j10YR 3/2 B / LOAMY SAND ,OYR 5/6 C COARSE SAND 10YR 4/6 9" 25" 80' 120" �- ADJUSTED GROUNDWATER LOW POINT IN STREET, ELEVATION 9.0 PER BOH AGENT REMOVABLE o COVER 5. 4' T �. . „• O O I4 24• 13. BOTTOM ON LEVEL STABLE BASE 6" MINIMUM 3/4' TO 1-1/2' �-- 24' VI-►� SECTION EW CRUSHED STONE PLAN VIEW NOTES 1. DISTRIBUTION BOX TO WITHSTAND H-20 LOADING. 2. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 3. FIRST TWO FEET OF PIPES OUT OF DISTRIBUTION BOX SHALL BE LAID LEVEL. 4. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 5. CONCRETE COVER SHALL BE SET WITHIN 6 INCHES OF FINISHED GRADE DESIGN CALCULATIONS DESIGN FLOW 3 BEDROOMS O 110 GPD/BEDROOM = 330 GPD 330 GPD X 200% - 660 GALLONS USE 1,500 GALLON SEPTIC TANK S17F OF REQUIRED LEACHING FACILITY DESIGN PERC. RATE <2 MIN/INCH LONG TERM APPL RATE 0.74 GPD/SF 330 GPD + 0.74 GPD/SF - 446 SF SI7E OF LEACHING FACILITY PROVIDED USE (3) 500 GALLON CONCRETE LEACHING CHAMBERS IN TRENCH CONFIGURATION WITH 3' STONE ON ENDS AND 1.5' STONE ON SIDES. BOTTOM AREA 36.0' X 8.0' = 288 S.F. SIDEWALL AREA: 2 X (2 X (36' + 8')) = 176 S.F. EFFECTIVE LEACHING AREA = 464 S.F. 464 S.F. X 0.74 GPD/S.F. = 343 GPD (INSTALLED CAPACITY) 343 GPD > 330 GPD (13 GPD RESERVE CAPACITY PROVIDED) ONSITE SOIL EVALUATION DATE OCTOBER 8, 2014 TEST BY: BSC GROUP, INC. WITNESSED BY: AMY VON HONE, R.S., CHO LICENSED SOIL EVALUATOR: KIERAN J. HEALY. PLS PERCOLATION RATE < 2 MINS./INCH SOIL CLASS: CLASS 1 LT.A.R.: 0.74 GPD/S.F. HIGH GROUNDWATER COMPUTATION BASED ON TP 3B 2 DEPTH TO WATER 10.0' INDEX WELL MIW-29 WATER LEVEL RANGE ZONE B CURRENT DEPTHOINDEX WELL(10/14) 9.7 USE ELEV. 9.0 BOH AGENT DEPTH TO HIGH WATER 6.7' LEGEND UNSUITABLE - ESTIMATED (TO BE REMOVED) MATERIALS �' SEASONAL HIGH GROUNDWATER PERCOLATION v OBSERVED TEST RANGE GROUNDWATER ETER (TYP.) DIA. /ER ' 1HOUS / � \ ' �{i BEDROOM ) � f HOUSE W NOT TO SCALE NOTES MIN. 20' DIA. COVER, TYP. 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. RAISE (2) TO WITHIN 6" CF FINISHED 2. SEPTIC TANK SHALL BE CAPABLE OF THSTANDING H-20 GRADE USING SEWER BRICK AND WI LOADING. MORTAR AS NECESSARY 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 6" MAX 4. TEES SHALL BE SCH. 40 PVC AND SHALL BE LOCATED WITHIN 12' OF TANK WALL AND ACCESSIBLE FROM TANK COVER. w 5. FILL ALL UNUSED KNOCKOUTS WITH HYDRAULIC CEMENT. T 1 6. 11'-0' 10'-0' 10' 3' 4'-1"y//GAS BAFFLE f ' - - I LIQUID LOCATE DEPTH INLET TEE OUTLET TEE UNDER COVER 6'-2• I 6- 6. 6' MINIMUM PLAN VIEW 3/4' TO 1-1/2' CROSS-SECTION VIEW CRUSHED STONE I r0N1raf7Tf7 I PerNiKir ruAkAQr*Q lu-0rn1 NOT TO SCALE 20' ACCESS COVER 4" PERFORATED PVC TO WITHIN 3 INCHES W/SCREW CAP TO EXTEND DOWN OF FINISH GRADE TO NATURAL SUBGRADE 5' DIA. KNOCKOUT (TY P.) 1-1/2" TAPER F - 777 117 pppppp pppp pppppp pppp pppp F12-36"COVER'V( COVER p p p p =16=1 =1 p pp "pp npp HD PE~ RISER pO pp MM= [:3 36" pp pOppED =1 =1 EFFECTIVE DEPTH ppp 8 -6" 10 , FRONT VIEW NOTES SIDE VIEW ,. ONE ACCESS COVER PER SYSTEM SHALL BE RAISED TO FINISH GRADE. 2. CHAMBERS SHALL BE 500 GALLON LEACHING DRYWELL, MANUFACTURED BY SHOREY OR APPROVED EQUAL 3. GEOTEXTILE FABRIC MAY BE USED IN LIEU OF DOUBLE WASHED STONE. ss. SHED 6.0' 9s• \ / ED 7R s 100' BUFFER TO BOGS \ AND WETLANDS (BOG DRY) 1 - CONCRETE BOUND /DRILL HOLE FOUND & HELD LISA HALLETT TIMOTHY McGOFF ASSESSORS MAP 36 PARCEL 67C SEE ZBA REC. DECISION 28050-176 GENERAL NOTES 1. THIS PLAN IN ONLY INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES AND THE NEW DWELLING. 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO 310 CMR 15.000 AND YARMOUTH BOARD OF HEALTH REGULATIONS. 3. THERE ARE NO KNOWN OR PROPOSED PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE PROPOSED LEACHING FACILITY. 4. IF AN OVERDIG IS SPECIFIED, REMOVE ALL TOPSOIL, SUBSOIL AND OTHER UNSUITABLE MATERIALS. 5. IF AN OVERDIG IS SPECIFIED, REPLACE ALL EXCAVATED MATERIALS WITHIN THE LIMIT OF EXCAVATION WITH CLEAN GRANULAR SAND, FREE FROM ORGANIC MATERIAL AND DELETRIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT CLASSES OF SOIL SHALL NOT BE USED. FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. A SIEVE ANALYSIS USING A /14 SIEVE SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF FILL UP TO 45% BY WEIGHT MAY BE RETAINED ON THE /4 SIEVE. SUCH ANALYSES MUST DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: 100% MUST PASS /4 SIEVE 10% MUST PASS p50 SIEVE / 0-20% MUST PASS #100 SIEVE 0-5% MUST PASS #200 SIEVE 6. EXISTING UTILITIES WHERE SHOWN ON THE PLANS ARE APPROXIMATE. THE ENGINEER DOES NOT GUARANTEE THOR ACCURACY OR THAT ALL SUBSURFACE STRUCTURES ARE SHOWN. CONTRACTOR SHALL VERIFY THE SIZE, LOCATION AND ELEVATION OF INVERTS OF UTILITIES AND STRUCTURES, WITHIN THE LIMIT OF WORK, PRIOR TO THE START OF CONSTRUCTION. IF ANY DISCREPANCIES ARE DISCOVERED OR FIELD CHANGES REQUIRED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPERLY COORDINATING THE PROPOSED CONSTRUCTION ACTIVITIES WITH DIG -SAFE AND THE APPLICABLE UTILITY COMPANIES, AND SHALL COMPLETE THE PROPOSED WORK WITHOUT ANY INTERUPTIONS i IN SERVICE. 8. CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82, SECTION 40 (1-888-344-7233) A MINIMUM OF 72 HOURS PRIOR TO THE START OF / CONSTRUCTION. 9. THIS SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. INSTALLATION OR USE OF A GARBAGE GRINDER AT THIS PROPERTY IS NOT ALLOWED PER 310 CMR 15.240(4). SCHEDULE OF ELEVATIONS TOP OF FOUNDATION LOCUS INFORMATION 4' INVERT AT BUILDING CURRENT OWNER: HABITAT FOR HUMANITY 4' INVERT AT SEPTIC TANK (IN) 16.87 OF CAPE COD, INC. 4' INVERT AT SEPTIC TANK (OUT) TITLE REFERENCE: DEED 28050, PAGE 152 LOAM AND SEED ALL DISTURBED AREAS PLAN REFERENCE: PLAN 422, PAGE 58 'tel ASSESSORS MAP: 36 ELEVATIONS AT LEACHING FACILITY. PARCEL: 65 & 66 - 2' LAYER OF 1/8' TO ZONING DISTRICT: B-1 1/2' DOUBLE WASHED SETBACKS: FRONT 30' ** STONE ABOVE CROWN 9.00 SIDE 25' ** OF PIPE NO. REAR 20' ** - 3/4• TO 1-1/2' MINIMUM LOT SIZE: 25,000 S.F. ** DOUBLE WASHED STONE TO CROWN LOT AREA: 9,313± S.F. of PIPE NITROGEN SENSITIVE ZONE: PARTIALLY A ZONE II FEMA FLOOD ZONE DISTRICT: "X" DATED 7/16/2014 Name Pat,- at,PREPARED PREPAREDFOR: PANEL #25001CO569J 411 MAIN STREET, SUITE 6 YARMOUTH PORT, MA 02673 (ABOVE 500 YEAR FLOOD ZONE) k BSC GRoup OVERLAY DISTRICT: PARTIALLY APD 02673 ** REDUCED BY COMPREHENSIVE PERMIT SEE ZBA REC. DECISION 28050-176 GENERAL NOTES 1. THIS PLAN IN ONLY INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES AND THE NEW DWELLING. 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO 310 CMR 15.000 AND YARMOUTH BOARD OF HEALTH REGULATIONS. 3. THERE ARE NO KNOWN OR PROPOSED PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE PROPOSED LEACHING FACILITY. 4. IF AN OVERDIG IS SPECIFIED, REMOVE ALL TOPSOIL, SUBSOIL AND OTHER UNSUITABLE MATERIALS. 5. IF AN OVERDIG IS SPECIFIED, REPLACE ALL EXCAVATED MATERIALS WITHIN THE LIMIT OF EXCAVATION WITH CLEAN GRANULAR SAND, FREE FROM ORGANIC MATERIAL AND DELETRIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT CLASSES OF SOIL SHALL NOT BE USED. FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. A SIEVE ANALYSIS USING A /14 SIEVE SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF FILL UP TO 45% BY WEIGHT MAY BE RETAINED ON THE /4 SIEVE. SUCH ANALYSES MUST DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: 100% MUST PASS /4 SIEVE 10% MUST PASS p50 SIEVE / 0-20% MUST PASS #100 SIEVE 0-5% MUST PASS #200 SIEVE 6. EXISTING UTILITIES WHERE SHOWN ON THE PLANS ARE APPROXIMATE. THE ENGINEER DOES NOT GUARANTEE THOR ACCURACY OR THAT ALL SUBSURFACE STRUCTURES ARE SHOWN. CONTRACTOR SHALL VERIFY THE SIZE, LOCATION AND ELEVATION OF INVERTS OF UTILITIES AND STRUCTURES, WITHIN THE LIMIT OF WORK, PRIOR TO THE START OF CONSTRUCTION. IF ANY DISCREPANCIES ARE DISCOVERED OR FIELD CHANGES REQUIRED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPERLY COORDINATING THE PROPOSED CONSTRUCTION ACTIVITIES WITH DIG -SAFE AND THE APPLICABLE UTILITY COMPANIES, AND SHALL COMPLETE THE PROPOSED WORK WITHOUT ANY INTERUPTIONS i IN SERVICE. 8. CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82, SECTION 40 (1-888-344-7233) A MINIMUM OF 72 HOURS PRIOR TO THE START OF / CONSTRUCTION. 9. THIS SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. INSTALLATION OR USE OF A GARBAGE GRINDER AT THIS PROPERTY IS NOT ALLOWED PER 310 CMR 15.240(4). SCHEDULE OF ELEVATIONS TOP OF FOUNDATION 20.00 A 4' INVERT AT BUILDING 17.12 B 4' INVERT AT SEPTIC TANK (IN) 16.87 C 4' INVERT AT SEPTIC TANK (OUT) 16.62 D 4' INVERT AT DIST. BOX (IN) 16.48 E 4' INVERT AT DIST. BOX (OUT) 16.31 F ELEVATIONS AT LEACHING FACILITY. BRIAN G. YtRGXTA DATE PROFESSIONAL ENGINEER 4' INV. AT LEACHING CHAMBERS 16.20 G (BRKOUT 17.2) BOTTOM OF LEACHING CHAMBERS 14.20 H ESTIMATED SEASONAL HIGH GROUNDWATER 9.00 J 12��zv� y TYPICAL SYSTEM PROFILE NOT TO SCALE SEPTIC TANK HQM. MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING D -BOX 4' SCH. 40 PVC L-9 FT. S=0.015 FIRST PIPE LENGTH TO BE SET LEVEL FOR MIN_ 2' FINISH GRADE ' EL 18.0-18.5f 5.2' SEPARATION J I EST. HIGH GROUNDWATER 28 O to MP�N o a z Z f N 0 _ G ; Y O z tP. O `L �wrr � 9c 1*1 LOCUS MAP NOT TO SCALE H Mgs.yG BRIAN G. R, c YERGATIAN CIVIL A 9 No. 46206 e c EN�'\ FSSIONALV�NV>� BRIAN G. YtRGXTA DATE PROFESSIONAL ENGINEER SEPTIC SYSTEM DESIGN PLAN LOT 3 VIRGINIA STREET IN WEST YARMOUTH MASSACHUSETTS (BARNSTABLE COUNTY) . SITE PLAN DECEMBER 12, 2014 NO. DATE DESC. :Zoutta Health Departr n" p I - ?AP_PMVED k Name Pat,- at,PREPARED PREPAREDFOR: HABITAT FOR HUMANITY, C.C. INC. 411 MAIN STREET, SUITE 6 YARMOUTH PORT, MA 02673 (508) 362-3559 k BSC GRoup 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2014 BSC Group, Inc. SCALE: 1" = 20' 0 10 20 40 Fm FILE: P:\pq'\4975000\Civil\-Drawings\4975000-SP.dwg DWG. N0: 6187-05 SHEET 1 OF 1 JOB. N0. 4-9750.00