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HomeMy WebLinkAbout2 Apache Drive - Sewage Disposal System PlanI� 1 O�vh G -00UP C P o� k� •• GQ MH ,`� 9 � DEAD 5 IN 00 � ro OA U R4 14 N JO r G 0 TP -5 04, oy� 2 o�P CB o '�;• CB \ / I 4 o oy' PROPOSED LEACHING FlE(D (50.5' X 12.8') WITH (5) 500 GAL ,GONCRETE,,C0MBERS jj'�\Pply SOIL TEST PIT DATA NOT TO SCALE TEST PIT TP -1 GRD. EL. 82,8 SHGW EL. N/A EL 75.3 EL 69.8 EL 69.0 EL 68.5 EL 66.5 EL 62.0 FILL C LOAMY SAND 10YR 7/3 TEST PIT TP -6 GRD. EL 82.5 SHGW EL 62.0 FILL A LOAMY SAND 10YR 3/2 B LOAMY SAND 10YR 5/6 C MEDIUM SAND 10YR 7/3 90" 156" TEST PIT TP -2 GRD. EL. 84.4 SHGW EL N/A FILL EL 73.4 EL 69 4 TEST PIT TP -3 GRD. EL 85.3 SHGW EL N/A A LOAMY SAND k ti)} 1OYR 3/2 EL 84.0 16' B LOAMY SAND 10YR 5/6 EL 82.6 32" C MEDIUM SAND 1OYR 7/4 52" EL 80.6C 56" LOAMY SAND 132`1OYR 7/4 EL 79.6 68" C COARSE SAND 10YR 7/3 180' EL 73 6 140" EL 69.6 EL 69.1 ONSITE SOIL EVALUATION (TP -1 THROUGH TP -41 DATE: SEPTEMBER 29, 2005 TEST BY- BSC GROUP, INC. WITNESSED BY AMY VON HONE, R.S. LICENSED SOIL EVALUATOR: MARK DIBB, P.E. LEGEND PERCOLATION RATE: 3 MINS./INCH (TP -3) SOIL CLASS: CLASS 1 L•T.A.R.: 0.74 GPD/S.F -777-1 UNSUITABLE MATERIALS ONSITE SOIL EVALUATION (TP -6). (TO BE REMOVED) DATE: OCTOBER 13, 2005 PERCOLATION TEST BY: BSC GROUP, INC. TEST RANGE WITNESSED BY: BRUCE G. MURPHY, R.S. LICENSED SOIL EVALUATOR: MARK DIBB, P.E. PERCOLATION RATE: N/A ESTIMATED / �- SEASONAL. HIGH SOIL CLASS: CLASS 1 GROUNDWATER L.T.A.R.: 0.74 GPD/S.F. TEST PIT TP -4 GRD. EL 84.6 SHGW EL N/A FILL C COARSE SAND 10YR 7/3 HM TP -5, TP -7, TP -8 AND TP -9 FOR DRAINAGE PURPOSES ONLY 180" 186" 1x51 s � DESIGN CALCULATIONS -GENERAL NO`. ES EXISnP { Tp_g TP -3 SUILDIP DESIGN FLOW 1. THIS PLAN IN ONLY INTENDED FOR THE DESIGN AND CONSTRUCTION OF THE SEWAGE . s r< � �-*-r " - tai , •. • /' � DISPOSAL FACILITIES. 8,100 S.F. OFFICE ® 75 GPD/1,000 S.F. = 608 GPD UPL 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO 310 CMR 15.000 r� iY� i 1 rt y 1 T AND YARMOUTH BOARD CF HEALTH REGULATIONS. } = M SEPTIC TANK SIZING { - 3. THERE ARE NO KNOWN OR PROPOSED PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE 2 -COMPARTMENT TANK REQUIRED: PROPOSED LEACHING FACILITY. 1ST CHAMBER = 2 X 608 GPD = 1,216 GALS. 4. IF AN OVERDIG IS SPECIFIED, REMOVE ALL FILL, TOPSOIL, SUBSOIL AND OTHER h i 2ND CHAMBER = 1 X 608 GPD = 608 GALS. UNSUITABLE MATERIALS. Y SEPTIC TANK REQUIRED = 1,824 GALLONS 5. IF AN OVERDIG IS SPECIFIED, REPLACE ALL EXCAVATED MATERIALS WITHIN THE LIMIT OF o a / = \ SEPTIC TANK PROVIDED 2000 GALLONS EXCAVATION WITH CLEAN GRANULAR SAND, FREE FROM ORGANIC MATERIAL AND DELETRIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT CLASSES OF SOIL / CP SIZE OF LEACHING FACILITY REQUIRED SHALL NOT BE USED. FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 \ INCHES. A SIEVE ANAL.Yc&S USING A / • •. SIEVE• PERFORMED . •' , REPRESENTATIVE SAMPLE OF FILL UP 045% BY WEIGHT MA BE ET ON ON THE / d• \ DESIGN PERC. RATE: 3 MIN/INCH X14 SIEVE. SUCH ANALYSES MUST DEMONSTRATE THAT THE MATERIAL MEETS EACH OF LONG TERM APPL. RATE: 0.74 GPD/S.F. THE FOLLOWING SPECIFICATIONS: \ 608 GPD - 0.74 GPD/SF = 822 S.F. 100% I{wsT PASS #4 SIEVE 10% MUST PASS f50 SIEVE 0-20% MUST PASS #100 SIEVE SIZE OF LEACHING FACILITY PROVIDED 0-5% MUST PASS #200 SIEVE USE 500 -GALLON CONCRETE CHAMBERS IN TRENCH 6. EXISTING UTILITIES WHERE SHOWN ON THE PLANS ARE APPROXIMATE. THE ENGINEER CONFIGURATION DOES NOT GUARANTEE THEIR ACCURACY OR THAT ALL SUBSURFACE STRUCTURES ARE c' 0�' F��c� j (4)(50.5' + 12.83') +(50.5')(12.83') = 901 SF SHOWN. CONTRACTOR SHALL VERIFY THE SIZE, LOCATION AND ELEVATION OF INVERTS PQti OF UTIU71ES AND STRUCTURES, WITHIN THE LIMIT OF WORK, PRIOR TO THE START OF S�OC� CONSTRUCTION. IF ANY DISCREPANCIES ARE DISCOVERED OR FIELD CHANGES / 901 S.F. X 0.74 GAL/S.F. = 666 GPD REQUIRED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPERLY COORDINATING THE �Z67 PROPOSED CONSTRUCTION ACTIVITIES WITH DIG -SAFE AND THE APPLICABLE UTILITY \ % SCHEDULE 0 F ELEVATIONS COMPANIES, AND SHALL COMPLETE THE PROPOSED WORK WITHOUT ANY INTERUPTIONS IN SERVICE FIRST FLOOR ELEVATION 85.50 A a. CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82,. �o „ SECTION 40 AT (888) 344-7233 A MINIMUM OF 72 HOURS PRIOR TO THE START OF 56 X02 ti� 4 INVERT AT BUILDING 82.20 B CONSTRUCTION. P, 4" INVERT AT SEPTIC TANK (IN) 81.70 C 9. THIS SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. INSTALLATION l 4" INVERT AT SEPTIC TANK (OUT) 81.45 D OR USE OF A GARBAGE GIINDER AT THIS PROPERTY IS NOT ALLOWED PER 310 CMR \ 15.240(4). �\ 4" INVERT AT DIST. BOX (IN) 81.00 E HYD BENCHMARK 4" INVERT AT DIST. BOX (OUT) 80.83 F 1 HYDRANT TAG BOLT ELEV.a91.65 ASSUMED ... INVERTS AT LEACHING FACILITY: 4" INV. AT LEACHING CHAMBER 80.65 G ELEVATION AT BOTTOM OF CHAMBER 78.65 H "rue • SEASONAL HIGH GROUNDWATER 62.00 J Uro ISSUED FOR PERMITTING 4/12- 7/2011 NOT FOR CONSTRUCTION k ti)} P a f " 1 d��� r'k� A s} � � �• '� y'��� �f' '`+�'�( jk fi 6 y po ;'. .�X.y 9• MV vNIA OFM4,v oy GBRIAN o YERGATIAN CIVIL -a 9 No 6206 T FSS/ BRIAN G. YERGATIAN DATE PROFESSIONAL ENGINEER PROFESSIONAL OFFICE BUILDING 915 ROUTE 6A IN YARMOUTH PORT MASSACHUSETTS (BARNSTABLE COUNTY) SEWAGE DISPOSAL SYSTEM DESIGN PLAN APRIL 27, 2011 NO. DATE DESC. ' "n"th Healt'n Department APPROVED PREPARED FOR: BARNSTABLE COUNTY MUTUAL INSURANCE COMPANY, INC. P.O. BOX 339 YARMOUTH PORT, MA 02675 Fr--�-_IBSCRo 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2011 BSC Group, Inc. SCALE: 1 " = 20' 0 10 20 40 nmr FILE: P:\prj\4888201 \Cml\_M ings\4888201-SEP.dv�g DWG. NO: 6058-02 SHEET 1 OF 2 JOB. NO: 4-8882.01 r