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NOT FOR CONSTRUCTION
COVER PIPE CONNECTION TO END INSTALL FLAMP ON 24" (600 mm) ACCESS PIPE OPTIONAL INSPECTION PORT
CAP WITH ADS GEOSYNTHETICS 601T PART #: MCFLAMP
NON-WOVEN GEOTEXTILE
MC-3500 CHAMBER
MC-3500 END CAP
6" MAX
PONDING 4.0H
MAX. PONDING/
HEIGHT 1V
RIM OF CB OVERFLOW ELEV. STORMTECH HIGHLY RECOMMENDS
FLEXSTORM INSERTS IN ANY UPSTREAM 300 Pearl Street, Suite 130
STRUCTURES WITH OPEN GRATES
6" MIN. ORGANIC Buffalo, NY 14202
FILTER MEDIA 716-551-6281
NOTES: ELEVATED BYPASS MANIFOLD
1. CONTRACTOR SHALL INSTALL FILTER MEDIA AFTER SITE HAS BEEN STABILIZED TO labellapc.com
MINIMIZE POTENTIAL OF SEDIMENT CONTAMINATION OF MEDIA.
2. FILTER MEDIA SHALL BE LOAM/SAND MIX, NYSDOT BIO SOIL MIX ITEM #208.01030022,
CONTAINING A MINIMUM OF 85% TO 88% COARSE/MEDIUM SAND BY VOLUME, 8% TO 12%
24" MIN.
SOIL FINES, AND 3% TO 5% ORGANIC MATTER.
FILTER MEDIA 3. ORGANIC FILTER MEDIA SHALL MEET SAME CRITERIA AS ABOVE WITH THE EXCEPTION OF
CONTAINING 10% TO 12% ORGANIC MATTER.
4. SOIL SHOULD FALL WITHIN USCS TYPES SM OR ML WITH PERMEABILITY OF AT LEAST 1.0
FEET PER DAY. SOIL SHOULD BE FREE FROM STONES, STUMPS, ROOTS OR OTHER WOODY SUMP DEPTH TBD BY CATCH BASIN
MATERIAL OVER 1" IN DIAMETER. SITE DESIGN ENGINEER OR MANHOLE
(24" [600 mm] MIN RECOMMENDED)
5. PLACEMENT OF THE PLANTING SOIL SHOULD BE IN LIFTS OF 12" TO 18", LOOSELY
24" (600 mm) HDPE ACCESS PIPE REQUIRED ONE LAYER OF ADSPLUS125 WOVEN GEOTEXTILE BETWEEN
6"-12" DRAINAGE COMPACTED TO AT MOST 80% PROCTOR TEST. PH RANGE: 5.2 - 7.00. USE FACTORY PARTIAL CUT END CAP PART #: FOUNDATION STONE AND CHAMBERS
GRAVEL JACKET 6. FILTER FABRIC TO BE NON-WOVEN CLASS 'C', MIRAFI 180-N OR APPROVED EQUIVALENT MC3500IEPP24BC OR MC3500IEPP24BW 8.25' (2.51 m) MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS
7. DRAINAGE GRAVEL TO MEET AASHTO M-43. NO.67, SIZE 0.25" TO 0.75"
8. CONTRACTOR TO PROVIDE PLANTING SOIL SUBMITTAL SPECIFICATION FOR REVIEW AND
FILTER FABRIC
APPROVAL PRIOR TO CONSTRUCTION.
9. WETLAND SEED MIX SHALL BE USED AS INDICATED IN SPECIFICATIONS. 7 MC-3500 ISOLATOR ROW PLUS DETAIL EXP: EXP:
4" PERFORATED PVC @ 0.2% SUBGRADE OR
10. CONTRACTOR SHALL PROVIDE AT LEAST TWO PERMEABILITY TESTS FOR EACH FACILITY C504 N.T.S.
EXISTING SOIL DRAINAGE GRAVEL
LOCATED AT OPPOSITE SIDES OF FACILITY.
8 BIORETENTION INSERTA TEE DETAIL UNDERDRAIN DETAIL CERTIFICATE OF AUTHORIZATION NUMBER:
PROFESSIONAL ENGINEERING: 0021272
NTS NTS
C504 N.T.S. DO NOT INSTALL STORMTECH STORMTECH LAND SURVEYING: 0021271
INSERTA-TEE AT CHAMBERS STORMTECH CHAMBER GEOLOGICAL: 0021659
CHAMBER JOINTS END CAP
PROVIDE CAST IRON FRAME PROVIDE CAST IRON CLEANOUT THREADED PLUG IP THD OR BRASS A OUTLET MANIFOLD
AND COVER, SET FLUSH SCREW PLUG (HS 67). PVC PLUGS NOT ALLOWED. PROVIDE 1"-3" It is a violation of New York Education Law Art. 145 Sec. 7209 & Art. 147
WITH FINISH GRADE 10" CLEARANCE BETWEEN PLUG & UNDERSIDE OF COVER CONVEYANCE PIPE Sec. 7307, for any person, unless acting under the direction of a licensed
MATERIAL MAY VARY architect, professional engineer, or land surveyor, to alter an item in any
GRADE (PVC, HDPE, ETC.)
FOUNDATION STONE way. If an item bearing the seal of an architect, engineer, or land surveyor
FINISH GRADE FOR UNPAVED AREAS BENEATH CHAMBERS is altered; the altering architect, engineer, or land surveyor shall affix to
the item their seal and notation "altered by" followed by their signature and
7 1/2"
WITHOUT FRAME AND COVER
1"
date of such alteration, and a specific description of the alteration.
A
ADS GEOSYNTHETICS 601T
17" INSERTA TEE SECTION A-A
CONNECTION
INSERTA TEE TO BE NON-WOVEN GEOTEXTILE DUAL WALL © 2024
2026 LaBella Associates
COMPACTED FILL TAMPED IN 6" INSTALLED, CENTERED PERFORATED
(X)
LAYERS OVER CORRUGATION HDPE
STORMTECH UNDERDRAIN
STORM SECTION A-A SIDE VIEW END CAP
DWV PVC FEMALE ADAPTER, IP PLACE ADSPLUS WOVEN GEOTEXTILE
THREAD x SOCKET (CENTERED ON INSERTA-TEE INLET) OVER
C.O.
BEDDING STONE FOR SCOUR PROTECTION AT
6" RISER: SDR-35 PVC (ASTM D-2241)
WITH SOLVENT WELDED JOINTS LETTERING ON COVER
SIDE INLET CONNECTIONS. GEOTEXTILE MUST
EXTEND 6" (150 mm) PAST CHAMBER FOOT CHAMBER
MAX DIAMETER OF
INSERTA TEE
HEIGHT FROM BASE
OF CHAMBER (X)
B B
HOME LEASING
FOUNDATION STONE
PROVIDE SDR-35 GASKETED NOTES: SC-310 6" (150 mm) 4" (100 mm)
A BENEATH CHAMBERS
75 S CLINTON AVE SUITE 700,
FITTINGS AS NECESSARY; 1/8TH SC-800 10" (250 mm) 4" (100 mm) ROCHESTER, NEW YORK 14604
6" x 6" x 6" SDR-35 TRUE 45 DEGREE BEND, OR TWO 1/16TH BENDS 1. FRAME AND COVER TO BE USED DC-780 10" (250 mm) 4" (100 mm)
NOTES:
ONLY IN PAVED AREAS. ADS GEOSYNTHETICS 601T
WYE WITH BENDS AS NECESSARY COMPACTED CRUSHED STONE FILL · PART NUMBERS WILL VARY BASED ON INLET PIPE MC-3500 12" (300 mm) 6" (150 mm)
A NON-WOVEN GEOTEXTILE
MATERIALS. CONTACT STORMTECH FOR MORE
6" MIN. 6" MIN. DEPTH = 1/2 OD + 12" MIN. 2. CRUSHED STONE: NO. 1 WASHED MC-4500 12" (300 mm) 8" (200 mm)
INFORMATION.
STONE OR A MIX OF NO. 1 AND · CONTACT ADS ENGINEERING SERVICES IF INSERTA TEE MC-7200 12" (300 mm) 8" (200 mm) NUMBER AND SIZE OF UNDERDRAINS PER SITE DESIGN ENGINEER
4" (100 mm) TYP FOR SC-310 & SC-160LP SYSTEMS SECTION B-B
NO. 2 WASHED STONE INLET MUST BE RAISED AS NOT ALL INVERTS ARE INSERTA TEE FITTINGS AVAILABLE FOR SDR 26, SDR 35, SCH 40 IPS
POSSIBLE. 6" (150 mm) TYP FOR SC-800, DC-780, MC-3500, MC-4500 & MC-7200 SYSTEMS
RECOMMENDED METHODS FOR JOINING OF GASKETED & SOLVENT WELD, N-12, HP STORM, C-900 OR DUCTILE IRON
SOLVENT WELD PIPE:
SELECT SELECT
GRANULAR
FILL
GRANULAR
FILL
1. CLEAN DRY HUBS & SPIGOTS
5 MC-3500 INSERTA-TEE INLET 4 MC-3500 UNDERDRAIN
2. APPLY PRIMER TO PARTS BEING C504 N.T.S. C504 N.T.S.
CONNECTED
3. APPLY PVC SOLVENT WELD CEMENT
FLOW DIRECTLY OVER PRIMER
** PVC TYPE IS COMPATIBLE FOR SOLVENT
WELDING TO SDR-35 OR ANY OTHER PVC TYPE I ACCEPTABLE FILL MATERIALS: STORMTECH MC-3500 CHAMBER SYSTEMS
PIPE MADE TO STEEL PIPE OUTSIDE DIMENSIONS
MATERIAL LOCATION DESCRIPTION AASHTO MATERIAL CLASSIFICATIONS COMPACTION / DENSITY REQUIREMENT
FINAL FILL: FILL MATERIAL FOR LAYER 'D' STARTS FROM THE
6" SDR-35 PVC (ASTM D2241) UNDISTURBED EARTH CRUSHED STONE BEDDING 6" SDR-35 PVC (ASTM D2241) PREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVED
TOP OF THE 'C' LAYER TO THE BOTTOM OF FLEXIBLE ANY SOIL/ROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S
SERVICE LATERAL WITH PUSH ON D N/A INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND
SERVICE LATERAL WITH PUSH ON DEPTH=1/2 OD +6" PAVEMENT OR UNPAVED FINISHED GRADE ABOVE. NOTE THAT PLANS. CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS.
PREPARATION REQUIREMENTS.
NEOPRENE RUBBER GASKETS NEOPRENE RUBBER GASKETS PAVEMENT SUBBASE MAY BE PART OF THE 'D' LAYER
6 CLEANOUT FOR NEW STORM LATERAL INITIAL FILL: FILL MATERIAL FOR LAYER 'C' STARTS FROM THE
GRANULAR WELL-GRADED SOIL/AGGREGATE MIXTURES, <35%
AASHTO M145¹
A-1, A-2-4, A-3 BEGIN COMPACTIONS AFTER 18" (450 mm) OF MATERIAL OVER
FINES OR PROCESSED AGGREGATE. THE CHAMBERS IS REACHED. COMPACT ADDITIONAL LAYERS
C504 N.T.S. C
TOP OF THE EMBEDMENT STONE ('B' LAYER) TO 18" (450 mm)
ABOVE THE TOP OF THE CHAMBER. NOTE THAT PAVEMENT
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF
OR IN 12" (300 mm) MAX LIFTS TO A MIN. 95% PROCTOR DENSITY
FOR WELL GRADED MATERIAL AND 95% RELATIVE DENSITY
WEST SENECA APARTMENTS
SUBBASE MAY BE A PART OF THE 'C' LAYER. AASHTO M43¹
THIS LAYER.
3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9, 10
FOR PROCESSED AGGREGATE MATERIALS. 2544 CLINTON ST,
FRAME & GRATE: EJ CASTINGS WEST SENECA, NY 14224
NO. 4 BARS, 4 EMBEDMENT STONE: FILL SURROUNDING THE CHAMBERS
RETICULINE GRATE, H-20 LOAD RATED, CLEAN, CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE5
AASHTO M43¹
GRASS CONCRETE B FROM THE FOUNDATION STONE ('A' LAYER) TO THE 'C' LAYER NO COMPACTION REQUIRED
BICYCLE PROOF, ADA-COMPATIBLE SIDES (TYP.) 3, 357, 4, 467, 5, 56, 57
ABOVE.
ASPHALT
4,000 PSI CONCRETE POURED IN PLACE FOUNDATION STONE: FILL BELOW CHAMBERS FROM THE AASHTO M43¹
CL SUCH THAT RIM WILL MEET FINISH GRADE. A CLEAN, CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE5 PLATE COMPACT OR ROLL TO ACHIEVE A FLAT SURFACE.2,3
SUBGRADE UP TO THE FOOT (BOTTOM) OF THE CHAMBER. 3, 357, 4, 467, 5, 56, 57
PLEASE NOTE:
TOPSOIL 1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN, CRUSHED, ANGULAR. FOR EXAMPLE, A SPECIFICATION FOR #4 STONE WOULD STATE: "CLEAN, CRUSHED, ANGULAR NO. 4 (AASHTO M43) STONE".
REFER TO ASPHALT 2. STORMTECH COMPACTION REQUIREMENTS ARE MET FOR 'A' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 9" (230 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.
SOILTIGHT ADAPTER PAVEMENT DETAILS 3. WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION, FOR STANDARD DESIGN LOAD CONDITIONS, A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION EQUIPMENT. FOR SPECIAL LOAD DESIGNS, CONTACT STORMTECH FOR
4" MIN
COMPACTION REQUIREMENTS.
SELECT EARTH
\\cash.lab\P\GLOBAL\Projects\Home Leasing Services\2241067 - Affordable Housing West Seneca\06_Drawings\Civil\C500 CONSTRUCTION DETAILS.dwg
4. ONCE LAYER 'C' IS PLACED, ANY SOIL/MATERIAL CAN BE PLACED IN LAYER 'D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER 'C' OR 'D' AT THE SITE DESIGN ENGINEER'S DISCRETION.
5. WHERE RECYCLED CONCRETE AGGREGATE IS USED IN LAYERS 'A' OR 'B' THE MATERIAL SHOULD ALSO MEET THE ACCEPTABILITY CRITERIA OUTLINED IN TECHNICAL NOTE 6.20 "RECYCLED CONCRETE STRUCTURAL BACKFILL".
ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE ALL NO: DATE: DESCRIPTION:
AROUND CLEAN, CRUSHED, ANGULAR STONE IN A & B LAYERS
TYPE 1 OR 2 SUBBASE PAVEMENT LAYER (DESIGNED Revisions
BY SITE DESIGN ENGINEER)
2" DEEP x 2" WIDE
XX" STANDARD H-20 GRATE CONSTRUCTION JOINT MINIMUM COVER ELEVATION: XX
EXPOXY GROUT 100% 6"
PLAN SOLIDS (TYP.) 30" SQUARE
TYP. ALL WALLS D *TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNPAVED
8'
PROJECT NUMBER:
PERIMETER STONE
C
INSTALLATIONS WHERE RUTTING FROM VEHICLES MAY OCCUR,
INCREASE COVER TO 24" (600 mm). 18" (450 mm) (2.4 m) 2241067
CONNECT UNDERDRAIN WHERE SHOWN (SEE NOTE 4) MIN* MAX
OR PROVIDE (2) 10 FOOT STUBS OF 12" (300 mm) MIN
TOP CHAMBER ELEVATION: XX DRAWN BY:
PERFORATED PVC, OPPOSITE SIDES. B
100 YEAR PEAK ELEVATION: XX EMM / SCB
PRECAST SECTION ASTM C-478 EXCAVATION WALL
(CAN BE SLOPED OR VERTICAL)
REVIEWED BY:
MEETING HS-20 LOADING 45" 10 YEAR PEAK ELEVATION: XX SRV / DPB
(1143 mm)
XX" DRAIN BASIN ISSUED FOR:
SEE PLAN
VARIES
BASE CHAMBER ELEVATION: XX SITE PLAN APPROVAL
A 1 YEAR PEAK ELEVATION: 1069.54 BASE STONE ELEVATION: XX
6" MIN.
9" (230 mm) MIN DATE:
(SEE NOTE 3) 4/20/2026
2.5' SEPARATION
6" (150 mm) MIN
SEE PLAN FOR DIAMETER MC-3500 6"
77" (1956 mm) 12" (300 mm) MIN
END CAP SUBGRADE SOILS (150 mm) MIN DRAWING NAME:
(SEE NOTE 3) **THIS CROSS SECTION DETAIL REPRESENTS
MINIMUM REQUIREMENTS FOR INSTALLATION.
GROUNDWATER ELEVATION: XX
6" MIN. STONE BEDDING
ALL CONCRETE
NOTES: PLEASE SEE THE LAYOUT SHEET(S) FOR
TO LIMITS OF EXCAVATION. PROJECT SPECIFIC REQUIREMENTS.
TO BE 4,000 PSI 1. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS"
SAME MATERIAL USED
CHAMBER CLASSIFICATION 45x76 DESIGNATION SS.
6" MIN.
FOR SEWERS.
SOILTIGHT ADAPTER 2. MC-3500 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
NOTES:
3. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE (ALLOWABLE BEARING CAPACITY) OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH CONSIDERATION
FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS. REFERENCE STORMTECH DESIGN MANUAL FOR BEARING CAPACITY GUIDANCE.
CONSTRUCTION DETAILS
6" STONE BASE
4. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.
1. THE ENTIRE EXTERIOR & INTERIOR SURFACES OF THE CATCH BASIN SHALL BE PAINTED WITH TWO COATS OF 5. REQUIREMENTS FOR HANDLING AND INSTALLATION:
BITUMASTIC COATING. · TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS.
2. CATCH BASIN SHALL NOT BE CONNECTED TO ANY SANITARY SEWER. · TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 3” (75 mm).
3. PROVIDE FRAMES AND GRATES CONFORMING TO NYSDOT STANDARD SHEETS M655-10R3, M655-6. · TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS CONSTANT AS DEFINED IN SECTION 6.2.8 OF ASTM F2418 SHALL BE GREATER THAN OR EQUAL TO 500 LBS/FT/%.
SECTION 4. FRAMES TO HAVE APPROPRIATE STRAP ANCHORS. AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES (ABOVE 73° F / 23° C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR YELLOW COLORS.
DRAWING NUMBER:
3 DRAIN BASIN 2 CATCH BASIN 1 MC-3500 CROSS SECTION
4/20/2026 1:17:45 PM
C504 N.T.S. C504 N.T.S. C504 N.T.S.
C504
Page 63 of 1493