Stormtech_Stormwater_Infiltration_System_Product_Data.pdf

©2013 ADS, INC.

PROJECT INFORMATION

ADS SALES REP:

ENGINEERED

PRODUCT

MANAGER:

PROJECT NO:

ADVANCED DRAINAGE SYSTEMS, INC.

R

SEATTLE INTERIM FIRE STATION 31

SEATTLE, WA

BRANDON KIZER

425-229-5420

BRANDON.KIZER@ADS-PIPE.COM

S194718

TRAVIS DODGE

253-392-4198

TRAVIS.DODGE@ADS-PIPE.COM FOR STORMTECH

INSTRUCTIONS,

DOWNLOAD THE

INSTALLATION APP

IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF THE SC-740 SYSTEM

1. STORMTECH SC-740 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S REPRESENTATIVE HAS COMPLETED A

PRE-CONSTRUCTION MEETING WITH THE INSTALLERS.

2. STORMTECH SC-740 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH SC-310/SC-740/DC-780 CONSTRUCTION GUIDE".

3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR AN EXCAVATOR SITUATED OVER THE CHAMBERS.

STORMTECH RECOMMENDS 3 BACKFILL METHODS:

· STONESHOOTER LOCATED OFF THE CHAMBER BED.

· BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE.

· BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR.

4. THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS.

5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE.

6. MAINTAIN MINIMUM - 6" (150 mm) SPACING BETWEEN THE CHAMBER ROWS.

7. EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN, CRUSHED, ANGULAR STONE 3/4-2" (20-50 mm).

8. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIALS BEARING CAPACITIES TO THE SITE DESIGN

ENGINEER.

9. ADS RECOMMENDS THE USE OF "FLEXSTORM CATCH IT" INSERTS DURING CONSTRUCTION FOR ALL INLETS TO PROTECT THE SUBSURFACE

STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE RUNOFF.

NOTES FOR CONSTRUCTION EQUIPMENT

1. STORMTECH SC-740 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH SC-310/SC-740/DC-780 CONSTRUCTION GUIDE".

2. THE USE OF CONSTRUCTION EQUIPMENT OVER SC-740 CHAMBERS IS LIMITED:

· NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS.

· NO RUBBER TIRED LOADERS, DUMP TRUCKS, OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL DEPTHS ARE REACHED IN ACCORDANCE

WITH THE "STORMTECH SC-310/SC-740/DC-780 CONSTRUCTION GUIDE".

· WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE "STORMTECH SC-310/SC-740/DC-780 CONSTRUCTION GUIDE".

3. FULL 36" (900 mm) OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP TRUCK TRAVEL OR DUMPING.

USE OF A DOZER TO PUSH EMBEDMENT STONE BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO THE CHAMBERS AND IS NOT AN ACCEPTABLE BACKFILL METHOD. ANY CHAMBERS DAMAGED BY THE "DUMP AND PUSH" METHOD ARE NOT COVERED UNDER THE STORMTECH

STANDARD WARRANTY.

CONTACT STORMTECH AT 1-888-892-2694 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT.

SC-740 STORMTECH CHAMBER SPECIFICATIONS

1. CHAMBERS SHALL BE STORMTECH SC-740.

2. CHAMBERS SHALL BE ARCH-SHAPED AND SHALL BE MANUFACTURED FROM VIRGIN, IMPACT-MODIFIED POLYPROPYLENE

COPOLYMERS.

3. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418-16a, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP)

CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".

4. CHAMBER ROWS SHALL PROVIDE CONTINUOUS, UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL SUPPORTS THAT WOULD

IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION.

5. THE STRUCTURAL DESIGN OF THE CHAMBERS, THE STRUCTURAL BACKFILL, AND THE INSTALLATION REQUIREMENTS SHALL ENSURE THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, SECTION 12.12, ARE MET FOR: 1) LONG-DURATION DEAD LOADS AND 2) SHORT-DURATION LIVE LOADS, BASED ON THE AASHTO DESIGN TRUCK WITH CONSIDERATION

FOR IMPACT AND MULTIPLE VEHICLE PRESENCES.

6. CHAMBERS SHALL BE DESIGNED, TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED IN ACCORDANCE WITH ASTM F2787, "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".

LOAD CONFIGURATIONS SHALL INCLUDE: 1) INSTANTANEOUS (<1 MIN) AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2) MAXIMUM PERMANENT (75-YR) COVER LOAD AND 3) ALLOWABLE COVER WITH PARKED (1-WEEK) AASHTO DESIGN TRUCK.

7. REQUIREMENTS FOR HANDLING AND INSTALLATION:

· TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING

STACKING LUGS.

· TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS

THAN 2”.

· 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 550 LBS/IN/IN. 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.

8. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED. UPON REQUEST BY THE SITE DESIGN ENGINEER OR OWNER, THE CHAMBER MANUFACTURER SHALL SUBMIT A STRUCTURAL EVALUATION FOR APPROVAL BEFORE

DELIVERING CHAMBERS TO THE PROJECT SITE AS FOLLOWS:

· THE STRUCTURAL EVALUATION SHALL BE SEALED BY A REGISTERED PROFESSIONAL ENGINEER.

· THE STRUCTURAL EVALUATION SHALL DEMONSTRATE THAT THE SAFETY FACTORS ARE GREATER THAN OR EQUAL TO 1.95 FOR

DEAD LOAD AND 1.75 FOR LIVE LOAD, THE MINIMUM REQUIRED BY ASTM F2787 AND BY SECTIONS 3 AND 12.12 OF THE AASHTO

LRFD BRIDGE DESIGN SPECIFICATIONS FOR THERMOPLASTIC PIPE.

· THE TEST DERIVED CREEP MODULUS AS SPECIFIED IN ASTM F2418 SHALL BE USED FOR PERMANENT DEAD LOAD DESIGN

EXCEPT THAT IT SHALL BE THE 75-YEAR MODULUS USED FOR DESIGN.

9. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY.

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PROPOSED LAYOUT

41 STORMTECH SC-740 CHAMBERS

14 STORMTECH SC-740 END CAPS

18 STONE ABOVE (in) 6 STONE BELOW (in)

40 % STONE VOID

1575 SYSTEM AREA (ft²) 162 SYSTEM PERIMETER (ft)

PROPOSED ELEVATIONS

339.50 MAXIMUM ALLOWABLE GRADE (TOP OF PAVEMENT/UNPAVED)

333.50 MINIMUM ALLOWABLE GRADE (UNPAVED WITH TRAFFIC)

333.00 MINIMUM ALLOWABLE GRADE (UNPAVED NO TRAFFIC)

333.00 MINIMUM ALLOWABLE GRADE (BASE OF FLEXIBLE PAVEMENT)

333.00 MINIMUM ALLOWABLE GRADE (TOP OF RIGID PAVEMENT)

333.00 TOP OF STONE

331.50 TOP OF SC-740 CHAMBER

329.33 INSERTA TEE SIDE INLET CONNECTION INVERT

329.05 8" BOTTOM CONNECTION INVERT

329.00 BOTTOM OF SC-740 CHAMBER

328.50 BOTTOM OF STONE

NOTES

· MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER. SEE TECHNICAL NOTE 6.32 FOR MANIFOLD SIZING GUIDANCE.

· DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS, IT MAY BE NECESSARY TO CUT AND COUPLE

ADDITIONAL PIPE TO STANDARD MANIFOLD COMPONENTS IN THE FIELD.

· THIS CHAMBER SYSTEM WAS DESIGNED WITHOUT SITE-SPECIFIC INFORMATION ON SOIL CONDITIONS OR BEARING CAPACITY. THE SITE DESIGN ENGINEER IS

RESPONSIBLE FOR DETERMINING THE SUITABILITY OF THE SOIL AND PROVIDING THE BEARING CAPACITY OF THE INSITU SOILS. THE BASE STONE DEPTH

MAY BE INCREASED OR DECREASED ONCE THIS INFORMATION IS PROVIDED.

· THE SITE DESIGN ENGINEER MUST REVIEW THE PROXIMITY OF THE CHAMBERS TO THE RETAINING WALL AND CONSIDER EFFECTS OF POSSIBLE SATURATED

SOILS ON THE RETAINING WALL'S INTEGRITY.

· THE SITE DESIGN ENGINEER MUST REVIEW THE PROXIMITY OF THE CHAMBERS TO THE BUILDING/STRUCTURE. NO FOUNDATION LOADS SHALL BE TRANSMITTED TO THE CHAMBERS. THE SITE DESIGN ENGINEER MUST CONSIDER EFFECTS OF POSSIBLE SATURATED SOILS ON BEARING CAPACITY OF

SOILS AND SEEPAGE INTO BASEMENTS.

· THE STORMTECH SYSTEM DEPICTED DOES NOT INCLUDE WATER QUALITY MEASURES AND/OR DOES NOT PROVIDE THE ABILITY TO BE INSPECTED, CLEANED, AND MAINTAINED. NOT MAINTAINING THE SYSTEM MAY LEAD TO A DECREASE IN STORAGE VOLUME OVER TIME. ADS RECOMMENDS THE USE OF

THE ISOLATOR ROW ON ALL STORMTECH SYSTEMS.

PLACE MINIMUM 12.5' OF ADS GEOSYNTHETICS 315WTK WOVEN

GEOTEXTILE OVER BEDDING STONE AND UNDERNEATH CHAMBER

FEET FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS

8" INSERTA TEE SIDE INLET CONNECTION

INVERT 4" ABOVE CHAMBER BASE

(SEE DETAIL / FIELD INSTALL)

.1

9' 7.

4.75' 30.00'

.1

9'

.3

1'

32.75'

8" ADS N-12 BOTTOM CONNECTION

INVERT 0.6" ABOVE CHAMBER BASE

MAXIMUM INLET FLOW 0.8 CFS

(SEE NOTES / TYP 2 PLACES)

INSPECTION PORT (TYP 4 PLACES)

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ACCEPTABLE FILL MATERIALS: STORMTECH SC-740 CHAMBER SYSTEMS

PLEASE NOTE:

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".

2. STORMTECH COMPACTION REQUIREMENTS ARE MET FOR 'A' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 6" (150 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.

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

COMPACTION REQUIREMENTS.

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.

NOTES:

1. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418-16a, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".

2. SC-740 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".

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.

4. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.

5. REQUIREMENTS FOR HANDLING AND INSTALLATION:

· TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS.

· TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 2”.

· 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 550

LBS/IN/IN. 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.

MATERIAL LOCATION DESCRIPTION AASHTO MATERIAL

CLASSIFICATIONS COMPACTION / DENSITY REQUIREMENT

D

FINAL FILL: FILL MATERIAL FOR LAYER 'D' STARTS FROM THE

TOP OF THE 'C' LAYER TO THE BOTTOM OF FLEXIBLE

PAVEMENT OR UNPAVED FINISHED GRADE ABOVE. NOTE THAT

PAVEMENT SUBBASE MAY BE PART OF THE 'D' LAYER.

ANY SOIL/ROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S PLANS.

CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS. N/A

PREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVED

INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND

PREPARATION REQUIREMENTS.

C

INITIAL FILL: FILL MATERIAL FOR LAYER 'C' STARTS FROM THE

TOP OF THE EMBEDMENT STONE ('B' LAYER) TO 18" (450 mm)

ABOVE THE TOP OF THE CHAMBER. NOTE THAT PAVEMENT

SUBBASE MAY BE A PART OF THE 'C' LAYER.

GRANULAR WELL-GRADED SOIL/AGGREGATE MIXTURES, <35% FINES OR

PROCESSED AGGREGATE.

MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF THIS

LAYER.

AASHTO M145¹

A-1, A-2-4, A-3

OR

AASHTO M43¹

3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9, 10

BEGIN COMPACTIONS AFTER 12" (300 mm) OF MATERIAL OVER

THE CHAMBERS IS REACHED. COMPACT ADDITIONAL LAYERS IN

6" (150 mm) MAX LIFTS TO A MIN. 95% PROCTOR DENSITY FOR

WELL GRADED MATERIAL AND 95% RELATIVE DENSITY FOR

PROCESSED AGGREGATE MATERIALS. ROLLER GROSS

VEHICLE WEIGHT NOT TO EXCEED 12,000 lbs (53 kN). DYNAMIC

FORCE NOT TO EXCEED 20,000 lbs (89 kN).

B

EMBEDMENT STONE: FILL SURROUNDING THE CHAMBERS

FROM THE FOUNDATION STONE ('A' LAYER) TO THE 'C' LAYER

ABOVE.

CLEAN, CRUSHED, ANGULAR STONE AASHTO M43¹

3, 357, 4, 467, 5, 56, 57 NO COMPACTION REQUIRED.

A

FOUNDATION STONE: FILL BELOW CHAMBERS FROM THE

SUBGRADE UP TO THE FOOT (BOTTOM) OF THE CHAMBER. CLEAN, CRUSHED, ANGULAR STONE AASHTO M43¹

3, 357, 4, 467, 5, 56, 57 PLATE COMPACT OR ROLL TO ACHIEVE A FLAT SURFACE.2,3

18" (450 mm) MIN*

8' (2.4 m)

MAX

6" (150 mm) MIN

D C

B

A

12" (300 mm) MIN

ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE ALL

AROUND CLEAN, CRUSHED, ANGULAR STONE IN A & B LAYERS

12" (300 mm) MIN51" (1295 mm)6" (150 mm) MIN

30" (762 mm)

DEPTH OF STONE TO BE DETERMINED

BY SITE DESIGN ENGINEER 6" (150 mm) MIN

*TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNPAVED

INSTALLATIONS WHERE RUTTING FROM VEHICLES MAY OCCUR,

INCREASE COVER TO 24" (600 mm).

EXCAVATION WALL

(CAN BE SLOPED OR VERTICAL)

PERIMETER STONE

(SEE NOTE 4)

SC-740 END CAP

SUBGRADE SOILS

(SEE NOTE 3)

PAVEMENT LAYER (DESIGNED

BY SITE DESIGN ENGINEER)

**THIS CROSS SECTION DETAIL REPRESENTS

MINIMUM REQUIREMENTS FOR INSTALLATION.

PLEASE SEE THE LAYOUT SHEET(S) FOR

PROJECT SPECIFIC REQUIREMENTS.

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PART # STUB A B C

SC740EPE06T / SC740EPE06TPC 6" (150 mm) 10.9" (277 mm)

18.5" (470 mm) --- SC740EPE06B / SC740EPE06BPC --- 0.5" (13 mm) SC740EPE08T /SC740EPE08TPC 8" (200 mm) 12.2" (310 mm)

16.5" (419 mm) --- SC740EPE08B / SC740EPE08BPC --- 0.6" (15 mm) SC740EPE10T / SC740EPE10TPC 10" (250 mm) 13.4" (340 mm)

14.5" (368 mm) --- SC740EPE10B / SC740EPE10BPC --- 0.7" (18 mm) SC740EPE12T / SC740EPE12TPC 12" (300 mm) 14.7" (373 mm)

12.5" (318 mm) --- SC740EPE12B / SC740EPE12BPC --- 1.2" (30 mm) SC740EPE15T / SC740EPE15TPC 15" (375 mm) 18.4" (467 mm)

9.0" (229 mm) --- SC740EPE15B / SC740EPE15BPC --- 1.3" (33 mm) SC740EPE18T / SC740EPE18TPC 18" (450 mm) 19.7" (500 mm)

5.0" (127 mm) --- SC740EPE18B / SC740EPE18BPC --- 1.6" (41 mm)

SC740EPE24B* 24" (600 mm) 18.5" (470 mm) --- 0.1" (3 mm)

ALL STUBS, EXCEPT FOR THE SC740EPE24B ARE PLACED AT BOTTOM OF END CAP SUCH THAT THE OUTSIDE DIAMETER OF THE STUB IS FLUSH WITH THE BOTTOM OF THE END CAP. FOR ADDITIONAL INFORMATION CONTACT STORMTECH AT 1-888-892-2694.

* FOR THE SC740EPE24B THE 24" (600 mm) STUB LIES BELOW THE BOTTOM OF THE END CAP APPROXIMATELY 1.75" (44 mm).

BACKFILL MATERIAL SHOULD BE REMOVED FROM BELOW THE N-12 STUB SO THAT THE FITTING SITS LEVEL.

NOTE: ALL DIMENSIONS ARE NOMINAL

NOMINAL CHAMBER SPECIFICATIONS

SIZE (W X H X INSTALLED LENGTH) 51.0" X 30.0" X 85.4" (1295 mm X 762 mm X 2169 mm) CHAMBER STORAGE 45.9 CUBIC FEET (1.30 m³) MINIMUM INSTALLED STORAGE* 74.9 CUBIC FEET (2.12 m³) WEIGHT 75.0 lbs. (33.6 kg)

*ASSUMES 6" (152 mm) STONE ABOVE, BELOW, AND BETWEEN CHAMBERS

PRE-FAB STUBS AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH "B"

PRE-FAB STUBS AT TOP OF END CAP FOR PART NUMBERS ENDING WITH "T"

PRE-CORED END CAPS END WITH "PC"

SC-740 TECHNICAL SPECIFICATION

NTS

90.7" (2304 mm) ACTUAL LENGTH 85.4" (2169 mm) INSTALLED LENGTH

BUILD ROW IN THIS DIRECTION

A A

C

B

51.0" (1295 mm)

30.0" (762 mm)

45.9" (1166 mm)12.2" (310 mm)

29.3" (744 mm)

OVERLAP NEXT CHAMBER HERE

(OVER SMALL CORRUGATION)

START END

INSERTA TEE DETAIL

NTS

INSERTA TEE

CONNECTION

CONVEYANCE PIPE

MATERIAL MAY VARY

(PVC, HDPE, ETC.)

PLACE ADS GEOSYNTHETICS 315 WOVEN

GEOTEXTILE (CENTERED ON INSERTA-TEE

INLET) OVER BEDDING STONE FOR SCOUR

PROTECTION AT SIDE INLET CONNECTIONS.

GEOTEXTILE MUST EXTEND 6" (150 mm)

PAST CHAMBER FOOT

INSERTA TEE TO BE

INSTALLED, CENTERED

OVER CORRUGATION

SIDE VIEWSECTION A-A

A

A

DO NOT INSTALL

INSERTA-TEE AT

CHAMBER JOINTS

NOTE:

PART NUMBERS WILL VARY BASED ON INLET PIPE MATERIALS.

CONTACT STORMTECH FOR MORE INFORMATION.

CHAMBER MAX DIAMETER OF

INSERTA TEE

HEIGHT FROM BASE OF

CHAMBER (X)

SC-310 6" (150 mm) 4" (100 mm)

SC-740 10" (250 mm) 4" (100 mm)

DC-780 10" (250 mm) 4" (100 mm)

MC-3500 12" (300 mm) 6" (150 mm)

MC-4500 12" (300 mm) 8" (200 mm)

INSERTA TEE FITTINGS AVAILABLE FOR SDR 26, SDR 35, SCH 40 IPS

GASKETED & SOLVENT WELD, N-12, HP STORM, C-900 OR DUCTILE IRON

(X)

SC-740 4" (100 mm) INSPECTION PORT DETAIL

NTS

18" (450 mm) MIN WIDTH

CONCRETE SLAB

8" (200 mm) MIN THICKNESS

4" (100 mm) INSERTA TEE

PART# 4P26FBSTIP

INSERTA TEE TO BE CENTERED

ON CORRUGATION CREST

PAVEMENT

CONCRETE COLLAR

CONCRETE COLLAR NOT REQUIRED

FOR UNPAVED APPLICATIONS

12" (300 mm) NYLOPLAST INLINE DRAIN

BODY W/SOLID HINGED COVER

PART# 2712AG4IP

SOLID COVER: 1299CGC

4" (100 mm) SDR35 PIPE

SC-740 CHAMBER

marcs Stamp

THE MOST ADVANCED NAME IN WATER MANAGEMENT SOLUTIONS™

Isolator ® Row O&M Manual

An company

SC-740 MC-4500

MC-3500

THE MOST ADVANCED NAME IN WATER MANAGEMENT SOLUTIONS TM

Looking down the Isolator Row from the manhole opening, woven geotextile is shown between the chamber and stone base.

StormTech Isolator Row with Overflow Spillway (not to scale)

THE ISOLATOR® ROW

INTRODUCTION

An important component of any Stormwater Pollution Prevention Plan is inspection and maintenance. The StormTech Isolator Row is a technique to inexpensively enhance Total Suspended Solids (TSS) and Total Phosphorus (TP) removal with easy access for inspection and maintenance.

THE ISOLATOR ROW

The Isolator Row is a row of StormTech chambers, either SC-160, SC- 310, SC-310-3, SC-740, DC-780, MC-3500 or MC-4500 models, that is surrounded with filter fabric and connected to a closely located manhole for easy access. The fabric-wrapped chambers provide for settling and filtration of sediment as storm water rises in the Isolator Row and ultimately passes through the filter fabric. The open bottom chambers and perforated sidewalls (SC-310, SC- 310-3 and SC-740 models) allow storm water to flow both vertically and horizontally out of the chambers.

Sediments are captured in the Isolator Row protecting the storage areas of the adjacent stone and chambers from sediment accumulation.

A woven geotextile fabric is placed between the stone and the Isolator Row chambers. The woven geotextile provides a media for stormwater filtration, a durable surface for maintenance, prevents scour of the underlying stone and remains intact during high pressure jetting. A non-woven fabric is placed over the chambers to provide a filter media for flows passing through the perforations in the sidewall of the chamber.

The non-woven fabric is not required over the SC-160, DC-780, MC-3500 or MC-4500 models as these chambers do not have perforated side walls.

The Isolator Row is typically designed to capture the “first flush” and offers the versatility to be sized on a volume basis or flow rate basis.

An upstream manhole provides access to the Isolator Row and typically includes a high flow weir. When flow rates or volumes exceed the Isolator Row weir capacity the water will flow over the weir and discharge through a manifold to the other chambers.

Another acceptable design uses one open grate inlet structure. Using a “high/low” design (low invert elevation on the Isolator Row and a higher invert elevation on the manifold) an open grate structure can provide the advantages of the Isolator Row by creating a differential between the Isolator Row and manifold thus allowing for settlement in the Isolator Row.

The Isolator Row may be part of a treatment train system. The design of the treatment train and selection of pretreatment devices by the design engineer is often driven by regulatory requirements. Whether pretreatment is used or not, the Isolator Row is recommended by StormTech as an effective means to minimize maintenance requirements and maintenance costs.

Note: See the StormTech Design Manual for detailed information on designing inlets for a StormTech system, including the Isolator Row.

ECCENTRIC

HEADER

MANHOLE

WITH

OVERFLOW

WEIR

STORMTECH

ISOLATOR ROW

OPTIONAL

PRE-TREATMENT

OPTIONAL

ACCESS STORMTECH CHAMBERS

INSPECTION

The frequency of inspection and maintenance varies by location. A routine inspection schedule needs to be established for each individual location based upon site specific variables. The type of land use (i.e.

industrial, commercial, residential), anticipated pollutant load, percent imperviousness, climate, etc. all play a critical role in determining the actual frequency of inspection and maintenance practices.

At a minimum, StormTech recommends annual inspections. Initially, the Isolator Row should be inspected every 6 months for the first year of operation. For subsequent years, the inspection should be adjusted based upon previous observation of sediment deposition.

The Isolator Row incorporates a combination of standard manhole(s) and strategically located inspection ports (as needed). The inspection ports allow for easy access to the system from the surface, eliminating the need to perform a confined space entry for inspection purposes.

If upon visual inspection it is found that sediment has accumulated, a stadia rod should be inserted to determine the depth of sediment. When the average depth of sediment exceeds 3 inches throughout the length of the Isolator Row, clean-out should be performed.

MAINTENANCE

The Isolator Row was designed to reduce the cost of periodic maintenance. By “isolating” sediments to just one row, costs are dramatically reduced by eliminating the need to clean out each row of the entire storage bed. If inspection indicates the potential need for maintenance, access is provided via a manhole(s) located on the end(s) of the row for cleanout. If entry into the manhole is required, please follow local and OSHA rules for a confined space entries.

Maintenance is accomplished with the JetVac process. The JetVac process utilizes a high pressure water nozzle to propel itself down the Isolator Row while scouring and suspending sediments. As the nozzle is retrieved, the captured pollutants are flushed back into the manhole for vacuuming. Most sewer and pipe maintenance companies have vacuum/JetVac combination vehicles. Selection of an appropriate JetVac nozzle will improve maintenance efficiency. Fixed nozzles designed for culverts or large diameter pipe cleaning are preferable. Rear facing jets with an effective spread of at least 45” are best. Most JetVac reels have 400 feet of hose allowing maintenance of an Isolator Row up to 50 chambers long. The JetVac process shall only be performed on StormTech Isolator Rows that have AASHTO class 1 woven geotextile (as specified by StormTech) over their angular base stone.

StormTech Isolator Row (not to scale)

ISOLATOR ROW

INSPECTION/MAINTENANCE

Note: Non-woven fabric is only required over the inlet pipe connection into the end cap for SC-160LP, DC-780, MC-3500 and MC-4500 chamber models and is not required over the entire Isolator Row.

ISOLATOR ROW STEP BY STEP MAINTENANCE PROCEDURES

STEP 1

Inspect Isolator Row for sediment.

If not, proceed to Step 3.

STEP 2

Clean out Isolator Row using the JetVac process.

STEP 3

Replace all caps, lids and covers, record observations and actions.

STEP 4

Inspect & clean catch basins and manholes upstream of the StormTech system.

ADS “Terms and Conditions of Sale” are available on the ADS website, www.ads-pipe.com The ADS logo and the Green Stripe are registered trademarks of Advanced Drainage Systems, Inc.

Stormtech® and the Isolator® Row are registered trademarks of StormTech, Inc.

© 2018 Advanced Drainage Systems, Inc. #11011 08/18 CS

An company

Advanced Drainage Systems, Inc.

4640 Trueman Blvd., Hilliard, OH 43026 1-800-821-6710 www.ads-pipe.com

SAMPLE MAINTENANCE LOG

Date Stadia Rod Readings Sediment Depth

(1)–(2) Observations/Actions InspectorFixed point to chamber bottom (1) Fixed point to top of sediment (2)

3/15/11 6.3 ft none New installation. Fixed point is CI frame at grade

DJM

9/24/11 6.2 0.1 ft Some grit felt SM

6/20/13 5.8 0.5 ft Mucky feel, debris visible in manhole and in Isolator Row, maintenance due

NV

7/7/13 6.3 ft 0 System jetted and vacuumed DJM

StormTech Maintenance Log Project Name:

Location:

Stadia Rod Readings

Date Fixed point to chamber bottom (1) Fixed point to top of sediment (2) Sediment Depth

(1) - (2) Observations / Actions Inspector

20 Beaver Road, Suite 104 Wethersfield Connecticut 06109

888.892.2694 fax 866.328.8401 www.stormtech.com

17.0 Standard Limited Warranty

STANDARD LIMITED WARRANTY OF STORMTECH LLC (“STORMTECH”): PRODUCTS

(A) This Limited Warranty applies solely to the StormTech chambers and end plates manufactured by StormTech and sold to the original purchaser (the “Purchaser”). The chambers and end plates are collectively referred to as the “Products.”

(B) The structural integrity of the Products, when installed strictly in accordance with StormTech’s written installation instructions at the time of installation, are warranted to the Purchaser against defective materials and workmanship for one (1) year from the date of purchase. Should a defect appear in the Limited Warranty period, the Purchaser shall provide StormTech with written notice of the alleged defect at StormTech’s corporate headquarters within ten (10) days of the discovery of the defect. The notice shall describe the alleged defect in reasonable detail. StormTech agrees to supply replacements for those Products determined by StormTech to be defective and covered by this Limited Warranty. The supply of replacement products is the sole remedy of the Purchaser for breaches of this Limited Warranty. StormTech’s liability specifically excludes the cost of removal and/or installation of the Products.

(C) THIS LIMITED WARRANTY IS EXCLUSIVE. THERE ARE

NO OTHER WARRANTIES WITH RESPECT TO THE

PRODUCTS, INCLUDING NO IMPLIED WARRANTIES

OF MERCHANTABILITY OR OF FITNESS FOR A

PARTICULAR PURPOSE.

(D) This Limited Warranty only applies to the Products when the Products are installed in a single layer. UNDER NO

CIRCUMSTANCES, SHALL THE PRODUCTS BE

INSTALLED IN A MULTI-LAYER CONFIGURATION.

(E) No representative of StormTech has the authority to change this Limited Warranty in any manner or to extend this Limited Warranty. This Limited Warranty does not apply to any person other than to the Purchaser.

(F) Under no circumstances shall StormTech be liable to the Purchaser or to any third party for product liability claims;

claims arising from the design, shipment, or installation of the Products, or the cost of other goods or services related to the purchase and installation of the Products.

For this Limited Warranty to apply, the Products must be installed in accordance with all site conditions required by state and local codes; all other applicable laws; and StormTech’s written installation instructions.

(G) THE LIMITED WARRANTY DOES NOT EXTEND

TO INCIDENTAL, CONSEQUENTIAL, SPECIAL OR

INDIRECT DAMAGES. STORMTECH SHALL NOT BE

LIABLE FOR PENALTIES OR LIQUIDATED DAMAGES,

INCLUDING LOSS OF PRODUCTION AND PROFITS;

LABOR AND MATERIALS; OVERHEAD COSTS; OR

OTHER LOSS OR EXPENSE INCURRED BY THE

PURCHASER OR ANY THIRD PARTY. SPECIFICALLY

EXCLUDED FROM LIMITED WARRANTY COVERAGE

ARE DAMAGE TO THE PRODUCTS ARISING FROM

ORDINARY WEAR AND TEAR; ALTERATION,

ACCIDENT, MISUSE, ABUSE OR NEGLECT; THE

PRODUCTS BEING SUBJECTED TO VEHICLE

TRAFFIC OR OTHER CONDITIONS WHICH ARE

NOT PERMITTED BY STORMTECH’S WRITTEN

SPECIFICATIONS OR INSTALLATION INSTRUCTIONS;

FAILURE TO MAINTAIN THE MINIMUM GROUND

COVERS SET FORTH IN THE INSTALLATION

INSTRUCTIONS; THE PLACEMENT OF IMPROPER

MATERIALS INTO THE PRODUCTS; FAILURE OF

THE PRODUCTS DUE TO IMPROPER SITING OR

IMPROPER SIZING; OR ANY OTHER EVENT NOT

CAUSED BY STORMTECH. A PRODUCT ALSO IS

EXCLUDED FROM LIMITED WARRANTY COVERAGE

IF SUCH PRODUCT IS USED IN A PROJECT OR

SYSTEM IN WHICH ANY GEOTEXTILE PRODUCTS

OTHER THAN THOSE PROVIDED BY ADVANCED

DRAINAGE SYSTEMS ARE USED. THIS LIMITED

WARRANTY REPRESENTS STORMTECH’S SOLE

LIABILITY TO THE PURCHASER FOR CLAIMS

RELATED TO THE PRODUCTS, WHETHER THE CLAIM

IS BASED UPON CONTRACT, TORT, OR OTHER

LEGAL THEORY.

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