HomeMy WebLinkAbout115 Route 28 - Detail Sheet 1 for Site Plan DrainageJ
TRENCH CROSS SECTION A -A
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12"0 SLOTTED
SHOREY ORR E EQUAL
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3/4" — 1 1/2" 3'X3' LEACHING TRENCH
DOUBLE WASHED STONE B�VEEN STRUCTURES WHERE SHOWN
4' MIN. AROUND PIT SEE TRENCH CROSS SECTION
INVERTS LEVEL AT EL 17.5
NOT TO SCALE
24" DIA. OPENING
RIM ELEV. TO NOTE: USE ECCENTRIC CONE IF ADEQUATE
MATCH EXISTING GRADES COVER EXISTS OVER SUMP TO ACCOMODATE.
CONE TO CONFORM TO ASTM C-478
ADJUST TO GRADE H-20 RATED F&C
WITH BRICK COURSES Le BARON ED F& 3 H-20
WITH 3/8" MORTAR JOINTS MANHOLE FRAME AND COVER
BED FRAME IN FULL LABELED "DRAIN" TO GRADE.
3/8" MIN. MORTAR BED.
8" 8n
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4" SCH40
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PVC AT_____
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6"
8" SDR35 PVC OUT 0.6% MIN.
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8" SDR35 PVC OUT—
BUILD UP SIDES
LO to
CONCRETE: 4000 PSI MIN. AT 28 DAYS
7
H-20 DESIGN LOADING
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ACME PRECAST, SHOREY PRECAST OR EQUAL
PRECAST MANHOLE 48" DIA
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STEP SPECIFICATIONS: ASTM—C-478, PS -2, PF—SL
FIBERGLASS RUNGS IMBED 3" MIN.
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TYPICAL
SEWER MANHOLE
DETAIL
NOT TO SCALE
WIDEN BERM TO 18" X 6" AT
BASINS (TYP.)
COURSE PROP H-20 F&G ` 18
/
DPW 2 X 2' GRATE I f
11
LeBARON LF248-2 OR EQ.
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BINDER COURSE COLLAR DETAIL
BED FRAME IN FULL 12" X 12" NOT TO SCALE
CONCRETE COLLAR FLUSH
WITH BASE COAT ASPHALT
3000 PSI CLASS I MIN.
H-20 RATED F&C
LeBARON LB268-3 H-20 OR EQUAL
MANHOLE FRAME AND COVERS
LABELED "DRAIN"
DRILL (2) 1"0 HOLES IN COVER
ADJUSTING BLOCKS/H-20 RISER
MORTAR ALL COMPONENTS
(TYP.)
TOP STRUCTURES LEVEL AT EL.1
6 81 6'0 `I
H-20 I
1000 G L O
LEACH P T
SHOREY OR EQUAL
3/4" — 1 1/2"
DOUBLE WASHED STONE
4' MIN. AROUND PIT
0"
3" MIN. PEASTONE '
AND MIRAFI 14ONS
FABRIC OVER STONE
& DOWN SIDES OF PRS
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6'—B )Z 6.0
H-20
1000 GAL
CATCH BASIN
SHOREY OR EQUAL
SAW CUT EDGES TO OBTAIN CLEAN FULL THICKNESS
BUTT JOINT ON EXISTING BASE AND REMOVE OLD
PAVEMENT TO PROVIDE A STRAIGHT EDGE.
XSTREETS, DRIVEWAYS
AND WALKS
GRAVEL
BASE COURSE
12" PROCESSED
COMPACTED
APPROVED
BACKFILL
12' MIN.
SECTIONAL PLATE
���� BITUMINOUS PAVEMENT
2\ BASE. 1" TOP MDPW TYPE 1-1
FILTER
PIPET O.D.
FINISHED GROUND SURFACE
ALL FILL TO BE PLACED IN 6" LIFTS
AND COMPACTED TO 95% MODIFIED PROCTOR DENSITY
BY 10 TON MIN. VIBRATORY ROLLER.
ENGINEER TO INSPECT ALL SITE WORK.
CLEAN SAND FILL ONLY.
LAWNS AND
CROSS COUNTRY
LOAM AND SEED
EXCAVATION— EARTH OR ROCK
ALL ROCK EXCAVATION AND STONES
LARGER THAN 6" S14ALL BE
DISPOSED OF AND REPLACED WITH
APPROVED EXCAVATED MATERIAL
OR GRAVEL BORROW.
CAREFULLY COMPACTED
SELECTED MATERIAL OR
GRAVEL BORROW
1/2 O.D.
CAREFULLY COMPACTED
SELECTED MATERIAL
6" MIN.
UNDISTURBED
REPLACE ANY STANDARD DETAIL
BELOW GRADE EXCAVATION SEWER TR E N C H
OF UNSUITABLE MATERIAL
WITH CAREFULLY COMPACTED
SELECTED MATERIAL NOT 0 SCALE
IN 12" LIFTS, MAX.
EARTH TRENCH ROCK TRENCH
26"
MANUF. LeBARON, BROCKTON, MA
MODEL, LK 110
LABEL SEWER OR DRAIN AS APPROPRIATE WEIGHT: 475 LBS
TYPICAL ACCESS COVER
SCALE: 3/4" = 1'-0"
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FOURTH FLANGE AT BASINS
WITHOUT CURB INLET
TOWARD SITE EXCAVATION
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WD. POST
NU It:
1. EXCAVATE A 6" x 6" TRENCH ALONG SPECIFIED SILT FENCE LINE IMMEDIATELY AFTER
CLEARING AND GRUBBING IS COMPLETE AND INSTALL SILT FENCE.
2. UNROLL SILT FENCE ONE SECTION AT A TIME. POSTS SHOULD BE POSITIONED ON
DOWNSTREAM SIDE OF FENCE.
3. DRIVE POST INTO GROUND AND LAY THE TOE—IN FABRIC IN BOTTOM OF TRENCH.
BACKFILL TRENCH, AND TAMP GROUND AS SHOWN IN DIAGRAM ABOVE.
4. REMOVE SILT AND DEBRIS BEFORE ONE FOOT ACCUMULATION OCCURS AT THE
FENCE LINE.
1" = 11- 0"
GENERAL NOTES:
1. THE LOCATION OF EXISTING UNDERGROUND UTILITIES SHOWN ON THIS PLAN IS
APPROXIMATE. PRIOR TO ANY EXCAVATION ON THIS SITE, THE EXCAVATING
CONTRACTOR SHALL MAKE THE REQUIRED 72 HOUR NOTIFICATION TO DIG SAFE
(1-888-344-7233) AND ANY OTHER UTILITIES WHICH MAY HAVE CABLE, PIPE OR
EQUIPMENT IN THE CONSTRUCTION AREA FOR VERIFICATION OF LOCATIONS.
CONTRACTOR TO VERIFY LOCATIONS AND REPORT ANY DISCREPANCIES TO THE ENGINEER
AND RECEIVE WRITTEN INSTRUCTIONS PRIOR TO PROCEEDING.
2. ALL CONSTRUCTION MATERIALS, COMPONENTS, AND METHODS EMPLOYED ON THIS
PROJECT WORK SHALL CONFORM TO THE TOWN OF YARMOUTH SUBDIVISION REGULATIONS
AND THE MASSACHUSETTS DEPARTMENT OF PUBLIC WORKS STANDARD
SPECIFICATIONS FOR BRIDGES AND HIGHWAYS AS AMENDED TO PRESENT.
ALL SEP11C WORK AND MATERIALS TO CONFORM TO 310 CMR 15.00 TITLE 5.
AND YARMOUTH HEALTH REGULATIONS.
3. VERTICAL DATUM IS NGVD29 ASSUMED FROM QUADRANGLE MAP.
4. CONTRACTOR TO VERIFY LOCATION AND ELEVATION OF ALL INVERTS AND UTILITIES PRIOR
TO CONSTRUCTION OF ANY PORTION OF THE SYSTEM.
CONTRACTOR TO REPORT ANY DISCREPANCIES TO THE ENGINEER
AND RECEIVE WRITTEN INSTRUCTIONS PRIOR TO PROCEEDING.
5. DESIGN LOADING FOR ALL PRECAST UNITS TO BE AASHTO H-20
6. THIS PLAN IS FOR PROPOSED WORK ONLY AND IS NOT TO
BE USED FOR PROPERTY LINE STAKING.
7. DESIGN ENGINEER TO INSPECT AND CERTIFY CONSTRUCTION OF SEPTIC SYSTEM.
SEE INSPECTION SCHEDULE
S. 4" LOAM AND SEED ALL DISTURBED AREAS NOT PAVED.
9. ALL SEPTIC PIPING SCH-40 PVC AT 1/4"/FT PITCH UNLESS NOTED.
10. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED WITHOUT
INSPECTION BY BOARD OF HEALTH AND PERMISSION OBTAINED
FROM BOARD OF HEALTH.
11. CONTRACTOR RESPONSIBLE FOR PUMPING EXISTING FAILED SYSTEMS FROM THE START OF
CONSTRUCTION UNTIL THE NEW SYSTEM IS COMMISSIONED UNLESS OTHER ARRANGEMENTS
ARE SPECIFICALLY MADE.
12. NOTE THAT CONSTRUCTION OF THE LEACHING SYSTEM REQUIRES REMOVAL OF
UNSUITABLE SOIL. UNSUITABLE SOIL SHALL BE REMOVED TO ITS MAXIMUM DEPTH
FROM UNDER AND WITHIN 5' OF THE PROPOSED LEACHING COMPONENTS AND REPLACED
WITH CLEAN SAND MEETING THE REQUIREMENTS OF 310CMR 15.255 (3).
13. WHERE WATER LINES CROSS SEWER LINES, BOTH PIPES SHALL BE CONSTRUCTED OF CLASS 150
PRESSURE PIPE AND SHALL BE PRESSURE TESTED TO ASSURE WATERTIGHTNESS.
3
4 1/2'
SECTION A—A
MINIMUM FRAME WEIGHT: 3—FLANGE — 265 LBS.
4—FLANGE— 295 LBS.
MINIMUM GRATE WEIGHT: 215 LBS.
PASS AREA: 255 SQ. IN.
4 1 /2"
FRAME AND GRATE
1" = 11- 0"
6" LOAM & SEED ALL DISTURBED AREAS NOT PAVED.
IONS
V
B
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BUILDING DOWNSPOUTS
6" LOAM & SEED
ALL DISTURBED
AREAS (TYP,)
CLEANOUT
TO GRADE
4"0SCH40 'ROOF DRAIN /
TO COLLECTOR 2% MIN. /
6"OSCH40 COLLECTIONROOF DRAIN
TO DRAINAGE 1% MIN.
ROOF DRAINS
NOT TO SCALE
12"X3" CAPE COD BERM INTEGRAL WITH TOP COURSE
1" TOPCOAT MASS DPW
TYPE II
2" BINDER
EXTEND GRAVEL 6" MIN. \ 12" PROCESSED GRAVEL
PAST EDGE PAVE MDPW M1.03.1 VIB. ROLLER COMPACTED
REMOVE TOP &SUBSOIL
COMPACT SUBGRADE
NOTE: REMOVE FROST SUSCEPTIBLE MATERIAL
TO A DEPTH OF 36" BELOW FINISHED GRADE.
REPLACE WITH NON FROST SUSCEPTIBLE MATERIAL
(LESS THAN 10% PASSING 1200 SIEVE)
NOTE: COMPACT ALL FILL IN 6" LIFTS TO 95% MOD.
PROCTOR DENSITY WITH VIBRATORY ROLLER COMPACTER.
NOT TO SCALE
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SHEET 6 OF 7
03-244