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MS 14-07; ROBERTSON RANCH PA 7 PA 8; POST BMP CERTIFICATION (SWMP 15-20); 2020-02-05
ALLIANCE LAND PLANNING & ENGINEERING INC. CIVIL ENGINEERING • LAND PLANNING • HILLSIDE DESIGN • SURVEYING February 5, 2020 City of Carlsbad Attn: Mike Bailey, Public Works Inspector 1635 Faraday Avenue Carlsbad, CA 92008 Phone: (760) 602-2761 Subject: Shapell -Robertson Ranch (PA 7 and PA 8) -Post BMP Certification Letter SOP 14-08 and MS 14-07 Fine Grading Plan (#480-3E) and SWMP (#15-20) Dear Mr. Bailey, The Robertson Ranch project (SOP 14-08 and MS 14-07) by Shapell is located at El Camino Real and West Ranch Street. The project consists of senior affordable apartments, market rate apartments, and a recreational center. Alliance Land Planning & Engineering would like to certify that the project's post construction BMP's have been placed according to the City approved Storm Water Management Plan (SWMP #15-20) and Fine Grading Plan {#480-3E) and are completed. Below is a list of the project's post BMP's. 5 Permeable Pavers ITC-10): 1) Permeable Pavers 12,623 sq. ft. on FG sheets 21-23 2) Permeable Pavers 7,875 sq. ft. on FG sheets 6 & 8 3) Permeable Pavers 5,940 sq. on FG sheets 6 & 8 4) Permeable Pavers 9,300 sq. ft. on FG sheets 7-9 5) Permeable Pavers 1,873 sq. ft on FG sheets 7 & 9 7 Modular Wetland Systems: 1) Modular Wetland System 1 -4'x19' on FG sheet 14 2) Modular Wetland System 1 -4'x4' on FG sheet 14 3) Modular Wetland System 1 -6'x8' on FG sheet 12 4) Modular Wetland System 1 -8'x12' on FG sheet 11 5) Modular Wetland System 2 -4'x4' on FG sheet 13 6) Modular Wetland System 1 -6'x8' on FG sheet 15 7) Modular Wetland System 1 -8'x12' on FG sheet 7 2248 FARADAY AVE. • CARLSBAD, CA 92008 • TEL: (760) 431-9896 • FAX: (760) 431-8802 8 Bioretention Area fTC-32): 1) Bioretention Area 2,783 sq. ft. on FG sheet 23 2) Bioretention Area 1,535 sq. ft. on FG sheet 16 & 19 3) Bioretention Area 1,704 sq. ft . on FG sheet 17 & 20 4) Bioretention Area 822 sq. ft. on FG sheet 15 5) Bioretention Area 358 sq. ft. on FG sheet 14 6) Bioretention Area 506 sq. ft. on FG sheet 6 7) Bioretention Area 862 sq. ft. on FG sheet 6 8) Bioretention Area 1,250 sq. ft. on FG sheet 6 & 7 7 Retention Vaults: 1) Retention Vault 3,845 CF on FG sheet 14 2) Retention Vault 769 CF on FG sheet 14 3) Retention Vault 2,307 CF on FG sheet 12 & 14 4) Retention Vault 4,614 CF on FG sheet 11 5) Retention Vault 769 CF on FG sheet 13 6) Retention Vault 769 CF on FG sheet 15 7) Retention Vault 4,614 CF on FG sheet 7 Attached with this letter are Post BMP site phots, BMP site plan, and manufacturer informa- tion. Please let me know if you have any questions or need anything else. ra g Whitteker Alliance Land Planning & Engineering 2248 Faraday Avenue Carlsbad, CA 92008 Phone: (760) 431-9896 SWMP NO. 15-20 PARTY RESPONSIBLE FOR MAINTENANCE= NAME: SHAPELL PROPERTIES, INC. CONTACT: ANDREW DEWAR ADDRESS: B3B3 WILSHIRE BLVD., SUITE 700 BEVERLY HILLS, CA. 90211 PHONE NO: B1 B-B09-B625 PLAN PREPARED BY= NAME: ALLIANCE LAND PLANNING & ENGINEERING ADDRESS: 2248 FARADAY AVENUE CARLSBAD, CA. 92D08 PHONE NO: 760-431-9B96 BMP NOlES= SIGNATURE 1. THESE BMPS ARE MANDATORY TO BE INSTALLED PER MANUFACTURER'S RECOMMENDATIONS OR THESE PLANS. 2. NO CHANGES TO THE PROPOSED BMPS ON THIS SHEET WITHOUT PRIOR APPROVAL FROM CITY ENGINEER. 3. NO SUBSTITUTIONS TO THE MATERIAL OR TYPES OR PLANTING TYPES WITHOUT PRIOR APPROVAL FROM THE CITY ENGINEER. 4. NO OCCUPANCY WILL BE GRANTED UNTIL THE CITY INSPECTION STAFF HAS INSPECTED THIS PROJECT FOR APPROPRIATE BMP CONSTIRUCTION AND INSTALLATION. 5. REFER TO MAINTENANCE AGREEMENT DOCUMENT. 6. SEE PROJECT SWMP FOR ADDITIONAL INFORMATION. ffl I-F'--1---HII / / / / / / / / / / / --< / / / ~ lillllrnl l!YE'E] I I ,_---../ '" LO'I 341 (NOT A PART) I I I I -ft;r LOT 341 (NOT A PART) ---------~ y l!lJllilll IMEJ]] -----, ----==--==----~--==-=-==------ =::::: =>-•-: ------------------1RO~RTSON ~OAD.f-------- 1 ~ ....... ' ' ---. -----1-----"' ! \ ~ !D'\-'f \ Ai TI ~ a:ree I-Arn -- I I ---------- • . . ~ ...... ---------1- • 5 I §Ufl1 ' I I \ I I I I I I I I I I I I I I . L --I = = ~ IME]l ; I I _,,, -, \ l I I I I I I I -.b I I I I I I I I I I I 1 _, ------Tll I I ---------- ------------------EL CAMINO REAL --------------------------------------------- DATE INITIAL I I I I I I I I I } .. I- Cl) I , I / I 111 ~ I •II 111 ju ' I ,,. .. I I I I I I I I I I I ,- ' I I I I I I I I I I I I I I I I I I ~:. J I r --------,/ ' / \ / I'."-I / ~ •• •• •J I / ,t· •• • 1 / ~---:-:-:, I 13 /,<····I. / .••••••• ,1 } C ••••• / (•.·.·,·.· ·1· I /• • . . • I / ✓,·.·.· ••• ·.·, / .••••••• ., I / /.,-.·.·.·.·.·., I 'C /.. . . . . . , I t-•:-:-:-.·.·.·.·.r I -... ·.·.·.·-:; I '·.·.·.·.. • • / ' l'~~•_._'....:.:_:-.-,, I , , ' / ..... ______ _,,. \ I I I 1 I i -~-~-~ ' '-'--=-~ ~ I Li __ ·---~ ~ I I I \ ---------------------- • ------~ ' --, Iii~ ~ ~ ,. ~ ---- BMPTABLE 15 QUANTITY DRAWING NO. SHEET NO.(S) INSPECTION BMP ID# BMP TYPE SYMBOL CASQA NO. FREQUENCY TREATMENT CONTROL CD PERMEABLE ~ TC-10 12,623 SF 4B0-3E 21 -23 SEMI-ANNUALLY PAVERS @ PERMEABLE ~ TC-10 7,875 SF 480-3E 6 & 8 SEMI-ANNUALLY PAVERS 0 PERMEABLE ~ TC-10 5,940 SF 4B0-3E 6 & 8 SEMI-ANNUALLY PAVERS © PERMEABLE ~ TC-10 9,300 SF 4B0-3E 7 -9 SEMI-ANNUALLY PAVERS ® PERMEABLE ~ TC-10 1,B73 SF 4B0-3E 7 & 9 SEMI-ANNUALLY PAVERS MOD. WETLAND 14 SEMI ANNUALLY ® IW&I --1 -4'x19' 4B0-3E & AFT£R MAJOR SYSTEM STORM EVENT MOD. WETLAND WAI 14 SEMI ANNUALLY 0 --1 -4'x4' 4B0-3E & AFT£R MAJOR SYSTEM STORM EVENT MOD. WETLAND ~ 12 SEMI ANNUALLY ® --1 -6'x8' 480-3E & AFT£R MAJOR SYSTEM STORM EVENT MOD. WETLAND WAI 11 SEMI ANNUALLY ® --1 -8'x12' 480-3E & AFT£R MAJOR SYSTEM STORM EVENT MOD. WETLAND ~ 13 SEMI ANNUALLY @ --2 -4'x4' 4B0-3E & AFT£R MAJOR SYSTEM STORM EVENT MOD. WETLAND WAI 15 SEMI ANNUALLY @ --1 -6'x8' 480-3E & AFT£R MAJOR SYSTEM STORM EVENT MOD. WETLAND ~ 7 SEMI ANNUALLY @ --1 -8'x12' 480-3E & AFT£R MAJOR SYSTEM STORM EVENT HYDROMODIFICATION AND TREATMENT CONTROL BIORETENTION 23 SEMI ANNUALLY @ □ TC-32 2,783 SF 480-3E tTtflMM0R AREA . BIORETENTION □ 16 & 19 SEMI ANNUALLY @ TC-32 1,535 SF 4B0-3E & AFT£R MAJOR AREA . STORM EVENT BIORETENTION D SEMI ANNUALLY @ TC-32 1,704 SF 4B0-3E 17 & 20 & AFT£R MAJOR AREA . STORM EVENT BIORETENTION D 15 SEMI ANNUALLY @ TC-32 822 SF 480-3E & AFT£R MAJOR AREA . STORM EVENT BIORETENTION □ 14 SEMI ANNUALLY @ TC-32 358 SF 4B0-3E & AFT£R MAJOR AREA . STORM EVENT BIORETENTION SEMI ANNUALLY @ D TC-32 506 SF 4B0-3E 6 tTtfl[JM0R AREA BIORETENTION SEMI ANNUALLY @ D TC-32 862 SF 4B0-3E 6 & AFT£R MAJOR AREA STORM EVENT BIORETENTION 6 & 7 SEMI ANNUALLY @ D TC-32 1,259 SF 4B0-3E & AFT£R MAJOR AREA STORM EVENT HYDROMODIFICATION @ RETENTION ~ --3,845 CF 4B0-3E 14 &:0 AFT£R MAJOR VAULT STORM EVENT RETENTION ~ SEMI ANNUALLY @ --769 CF 480-3E 14 & AFT£R MAJOR VAULT STORM EVENT RETENTION ~ SEMI ANNUALLY @ --2,307 CF 480-3[ 12 & 14 & AFT£R MAJOR VAULT STORM EVENT RETENTION ~ SEMI ANNUALLY @ --4,614 CF 480-3E 11 & AFT£R MAJOR VAULT STORM EVENT RETENTION SEMI ANNUALLY @ ~ --769 CF 480-3E 13 & AFT£R MAJOR VAULT STORM EVENT RETENTION SEMI ANNUALLY @ ~ --769 CF 4B0-3E 15 & AFT£R MAJOR VAULT STORM EVENT RETENTION SEMI ANNUALLY @ ~ --4,614 CF 480-3E 7 & AFT£R MAJOR VAULT STORM EVENT . C GRAPHIC SCALE "' \\ 120 0 30 60 - ! ! ! ! ~ '4 --.: t.) ( IN FEET ) ti) I inch -60 rt. MAINTENANCE FREQUENCY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY ANNUALLY I SH1ET I CITY OF CARLSBAD 1 sH1ETS I ENGINEERING DEPARTMENT SINGLE SHEET BMP SITE PLAN ROBERTSON RANCH MUL Tl-FAMILY SITES PA 7,8 PARCELS 1,2 PM 14-07 TITLE SHEET RECORD COPY PROJECT NO. MS 14-07 DATE INITIAL DATE INITIAL DRAWING NO. ENGINEER OF WORK REVISION DESCRIPTION OTHER APPROVAL CITY APPROVAL INITIAL DAT£ I 480-3SW I I: \CAD\1488\SWMP\1488-SWMP-Mop.dwg Robertson Ranch Post BMP Site Photos February 5, 2020 Post BMP’s in Order as BMP Site Plan: 5 Permeable Pavers (TC-10): 1) Permeable Pavers 12,623 sq. ft. on FG sheets 21-23 1 2) Permeable Pavers 7,875 sq. ft. on FG sheets 6 & 8 3) Permeable Pavers 5,940 sq. on FG sheets 6 & 8 2 4) Permeable Pavers 9,300 sq. ft. on FG sheets 7-9 3 5) Permeable Pavers 1,873 sq. ft on FG sheets 7 & 9 4 7 Modular Wetland Systems: 6) Modular Wetland System 1 - 4’x19’ on FG sheet 14 7)Modular Wetland System 1 - 4’x4’ on FG sheet 14 5 8) Modular Wetland System 1 - 6’x8’ on FG sheet 12 9) Modular Wetland System 1 - 8’x12’ on FG sheet 11 6 10) Modular Wetland System 2 - 4’x4’ on FG sheet 13 11) Modular Wetland System 1 - 6’x8’ on FG sheet 15 7 12) Modular Wetland System 1 - 8’x12’ on FG sheet 7 8 Bioretention Area (TC-32): 13) Bioretention Area 2,783 sq. ft. on FG sheet 23 8 14) Bioretention Area 1,535 sq. ft. on FG sheet 16 & 19 15) Bioretention Area 1,704 sq. ft. on FG sheet 17 & 20 9 16) Bioretention Area 822 sq. ft. on FG sheet 15 17) Bioretention Area 358 sq. ft. on FG sheet 14 10 18) Bioretention Area 506 sq. ft. on FG sheet 6 19) Bioretention Area 862 sq. ft. on FG sheet 6 11 20) Bioretention Area 1,250 sq. ft. on FG sheet 6 & 7 12 7 Retention Vaults: 21) Retention Vault 3,845 CF on FG sheet 14 22) Retention Vault 769 CF on FG sheet 14 13 23) Retention Vault 2,307 CF on FG sheet 12 & 14 24) Retention Vault 4,614 CF on FG sheet 11 14 25) Retention Vault 769 CF on FG sheet 13 26) Retention Vault 769 CF on FG sheet 15 15 27) Retention Vault 4,614 CF on FG sheet 7 16 ATTACHMENT 1 MODULAR WETLANDS SYSTEM® SIZING AND DETAILS , MODULAR WETLAND SN Advanced Stormwater Biofiltration MWS Linear The Urban Impact For hundreds of years natural wetlands surrounding our shores have played an integral role as nature's stormwater treatment system. But as our cities grow and develop, these natural wet- lands have perished under countless roads, rooftops, and parking lots. Plant A Wetland Without natural wetlands our cities are deprived of water purification, flood control, and land stability. Modular Wetlands and the MWS Linear re-establish nature's presence and rejuvenate water ways in urban areas. MWS Linear The Modular Wetland System Linear represents a pioneering breakthrough in stormwater tech- nology as the only biofiltration system to utilize patented horizontal flow, allowing for a smaller footprint and higher treatment capacity. While most biofilters use little or no pre-treatment, the MWS Linear incorporates an advanced pre-treatment chamber that includes separation and pre- filter cartridges. In this chamber sediment and hydrocarbons are removed from runoff before it enters the biofiltration chamber, in turn reducing maintenance costs and improving performance. www.ModularWetlands.com Applications The MWS Linear has been successfully used on numerous new construction and retrofit projects. The system's superior versatility makes it beneficial for a wide range of stormwater and waste water applications -treating rooftops, streetscapes, parking lots, and industrial sites. Industrial Many states enforce strict regulations for dis- charges from industrial sites. The MWS Linear has helped various sites meet difficult EPA mandated effluent limits for dissolved metals and other pol- lutants. Streets Street applications can be challenging due to limited space. The MWS Linear is very adaptable, and offers the smallest footprint to work around the constraints of existing utilities on retrofit pro- jects. Commercial Compared to bioretention systems, the MWS Lin- ear can treat far more area in less space-meeting treatment and volume control requirements. Residential Low to high density developments can benefit from the versatile design of the MWS Linear. The system can be used in both decentrali.zed LID de- sign and cost-effective end-of-the-line configura- tions. Parking Lots Parking lots are designed to maximize space and the MWS Linear's 4 ft. standard planter width al- lows for easy integration into parking lot islands and other landscape medians. Mixed Use The MWS Linear can be installed as a raised plant- er to treat runoff from rooftops or patios, making it perfect for sustainable "live-work" spaces. More applications are available on our website: www.ModularWetlands.com/Applications • Agriculture • Low Impact Development • Reuse • Waste Water Configurations The MWS Linear is the preferred biofiltration system of Civil Engineers across the country due to its versatile design. This highly versatile system has available "pipe-in" options on most models, along with built-in curb or grated inlets for simple integration into your stormdrain design. Curb Type The Curb Type configuration accepts sheet flow through a curb opening and is commonly used along road ways and parking lots. It can be used in sump or flow by conditions. Length of curb opening varies based on model and size. Grate Type The Grate Type configuration offers the same features and benefits as the Curb Type but with a grated/drop inlet above the systems pre-treatment chamber. It has the added benefit of allowing for pedestrian access over the inlet. ADA compliant grates are available to assure easy and safe access. The Grate Type can also be used in scenarios where runoff needs to be intercepted on both sides of landscape islands. Vault Type The system's patented horizontal flow biofilter is able to accept inflow pipes directly into the pre-treatment chamber, meaning the MWS Linear can be used in end-of-the-line installations. This greatly improves feasibility over typical decentralized designs that are required with other biofiltration/bioretention systems. Another benefit of the "pipe in" design is the ability to install the system downstream of underground detention systems to meet water quality volume requirements. Downspout Type The Downspout Type is a variation of the Vault Type and is designed to accept a vertical downspout pipe from roof top and podium areas. Some models have the option of utilizing an internal bypass, simplifying the overall design. The system can be installed as a raised planter and the exterior can be stuccoed or covered with other finishes to match the look of adjacent buildings. Page 3 www.ModularWetlands.com Advantages & Operation The MWS Linear is the most efficient and versatile biofiltration system on the market, and the only system with horizontal flow which improves performance, reduces footprint, and minimizes maintenance. Figure-1 and Figure-2 illustrate the invaluable benefits of horizontal flow and the multiple treatment stages. Featured Advantages • Horizontal Flow Biofiltration • Patented Perimeter Void Area • Greater Filter Surface Area • Flow Control • Pre-Treatment Chamber • No Depressed Planter Area G) Pre-Treatme~t Separation • Trash, sediment, and debris are separated before entering the pre-filter cartridges • Designed for easy maintenance access Pre-Filter Cartridges • Over 25 ft2 of surface area per cartridge • Utilizes BioMediaGREEN filter material • Removes over 80% of TSS & 90% of hydrocarbons • Prevents pollutants that cause clogging from migrating to the biofiltration chamber Individual Media Filters Pre-filter Cartridge Vertical Underdrain Manifold 8ioMedio GREEN \V:tlond MEDIAM Drain- 3 2x to 3x More Surface Area Than Traditional Downward Flow Bioretention Systems. @ Biofiltriation Horizontal Flow • Less clogging than downward flow biofilters • Water flow is subsurface • Improves biological filtration Patented Perimeter Void Area • Vertically extends void area between the walls and the WetlandMEDIA on all four sides. • Maximizes surface area of the media for higher treatment capacity WetlandMEDIA • Contains no organics and removes phosphorus • Greater surface area and 48% void space • Maximum evapotranspiration • High ion exchange capacity and light weight @ Discharge Flow Control • Orifice plate controls flow of water through WetlandMEDIA to a level lower than the media's capacity. • Extends the life of the media and improves performance Drain-Down Filter • The Drain-Down is an optional feature that completely drains the pre-treatment chamber • Water that drains from the pre-treatment chamber between storm events will be treated Page 5 www.ModularWetlands.com Orientations Side-By-Side The Side-By-Side orientation places the pre-treat- ment and discharge chamber adjacent to one an- other with the biofiltration chamber running paral- lel on either side. This minimizes the system length, providing a highly compact footprint. It has been proven useful in situations such as streets with di- rectly adjacent sidewalks, as half of the system can be placed under that sidewalk. This orientation also offers internal bypass options as discussed below. Bypass Internal Bypass Weir (Side-by-Side Only) The Side-By-Side orientation places the pre-treat- ment and discharge chambers adjacent to one an- other allowing for integration of internal bypass. The wall between these chambers can act as a by- pass weir when flows exceed the system's treatment capacity, thus allowing bypass from the pre-treat- ment chamber directly to the discharge chamber. External Diversion Weir Structure This traditional offline diversion method can be used with the MWS Linear in scenarios where run- off is being piped to the system. These simple and effective structures are generally configured with two outflow pipes. The first is a smaller pipe on the upstream side of the diversion weir -to divert low flows over to the MWS Linear for treatment. The second is the main pipe that receives water once the system has exceeded treatment capacity and water flows over the weir. Flow By Design This method is one in which the system is placed just upstream of a standard curb or grate inlet to intercept the first flush. Higher flows simply pass by the MWS Linear and into the standard inlet down- stream. End-To-End The End-To-£ nd orientation places the pre-treat- ment and discharge chambers on opposite ends of the biofiltration chamber therefore minimizing the width of the system to 5 ft (outside dimension). This orientation is perfect for linear projects and street retrofits where existing utilities and sidewalks limit the amount of space available for installation. One limitation of this orientation .is bypass must be ex- ternal OVERT l:.ow Flow Diversion DVERT Trough This simple yet innovative diversion trough can be installed in existing or new curb and grate inlets to divert the first flush to the MWS Linear via pipe. It works similar to a rain gutter and is installed just below the opening into the inlet. It captures the low flows and channels them over to a connecting pipe exiting out the wall of the inlet and leading to the MWS Linear. The OVERT is perfect for retrofit and green street applications that allows the MWS Lin- ear to be installed anywhere space is available. Performance The MWS Linear continues to outperform other treatment methods with superior pollutant removal for TSS, heavy metals, nutrients, hydrocarbons and bacteria. Since 2007 the MWS Linear has been field tested on nu- merous sites across the country. With it's advanced pre-treatment chamber and innovative horizontal flow biofilter, the system is able to effectively remove pollutants through a combination of physical, chemical, and biological filtration processes. With the same biological processes found in natural wetlands, the MWS Linear harnesses natures ability to process, transform, and remove even the most harmful pollutants. Approvals The MWS Linear has successfully met years of challenging technical reviews and testing from some of the most prestigious and demanding agencies in the nation, and perhaps the world. TSS 85% J Total Washington State DOE Approved The MWS Linear is approved for General Use Level Designation (GULD) for Basic, En- hanced, and Phosphorus treatment at 1 gpm/ft2 loading rate. The highest performing BMP on the market for all main pollutant categories. Ortho Dissolved Total Phosphorus Phosphorus Nitrogen Dissolved Zinc Copper Total Zinc Copper Motor Oil 64% 67% 45% 66% 38% 69% 50% 95% DEQ Assignment The Virginia Department of Environmental Quality assigned the MWS Linear, the highest phosphorus removal rating for manufactured treatment devices to meet the new Virginia Stormwater Management Program (VSMP) Technical Criteria. MASTEP Evaluation The University of Massachusetts at Amherst -Water Resources Research Center, issued a technical evaluation report noting removal rates up to 84% TSS, 70% Total Phosphorus, 68.5% Total Zinc, and more. Rhode Island DEM Approved Approved as an authorized BMP and noted to achieve the following minimum removal efficiencies: 85% TSS, 60% Pathogens, 30% Total Phosphorus for discharges to freshwater systems, and 30% Total Nitrogen for discharges to saltwater or tidal systems. Page 7 www.ModuLarWetLands.com Flow Based Sizing The MWS Linear can be used in stand alone applica- tions to meet treatment flow requirements. Since the MWS Linear is the only biofiltration system that can ac- cept inflow pipes several feet below the surface it can be used not only in decentralized design applications but also as a large central end-of-the-line application for maximum feasibility. Treatment Flow Sizing Table Model# Dimensions MWS-L-4-4 4"x4" MWS·L-4-6 4'x6' MWS-L-4-8 4'x 8' MWS-L-4-13 4'x13" MWS-L-4-15 4'x 15' MWS-L-4-17 4' X 17' MWS-L-4-19 4'x 19" MWS-L-4-21 4'x 21' MWS-L-8-8 8'x 8' MWS-L-8-12 8'x 12' MWS·L-8-16 8'x 16" Volume Based Sizing ., Wetland Media Treatment Flow Surface Area Rate (cfs) 23 ft2 0.052 32 ft2 0.073 so ft2 0.115 63 ft2 0.144 76 ft2 0.175 90ft2 0.206 103 ft2 0.237 .. 117 ft2 0.268 100 ft2 0.230 151 ft2 0.346 201 ft2 0.462 Many states require treatment of a water quality volume and do not offer the option of flow based design. The MWS Linear and its unique horizontal flow makes it the only biofilter that can be used in volume based design installed downstream of ponds, detention basins, and underground storage systems. Treatment Volume Sizing Table Model# Treatment Capacity (cu. ft.) Treatment Capacity (cu. ft.) @ 24-Hour Drain Down @ 48-Hour Drain Down MWS-L-4-4 1140 2280 MWS·L-4-6 1600 ' 3200 -MWS-L-4-8 2518 5036 MWS-L-4-13 3131 6261 MWS-L-4-15 3811 7623 MWS-L-4-17 4492 8984 MWS-L-4-19 5172 10345 MWS-L-4-21 5853 11706 MWS-L-8-8 5036 10072 MWS-L-8-12 7554 15109 - MWS-L-8-16 10073 20145 Installation The MWS Linear is simple, easy to install, and has a space efficient design that offers lower excavation and in- stallation costs compared to traditional tree-box type systems. The structure of the system resembles pre-cast catch basin or utility vaults and is installed in a similar fashion. The system is delivered fully assembled for quick in- stallation. Generally, the structure can be unloaded and set in place in 15 minutes. Our experienced team of field technicians are available to supervise installations and provide technical support. Maintenance Reduce your maintenance costs, man hours, and materials with the MWS Linear. Unlike other biofiltration systems that provide no pre-treatment, the MWS Linear is a self-contained treatment train which incorporates simple and effective pre-treatment. Maintenance requirements for the biofilter itself are almost completely eliminated, as the pre-treatment chamber removes and isolates trash, sediments, and hydrocarbons. What's left is the simple maintenance of an easily accessible pre-treatment chamber that can be cleaned by hand or with a standard vac truck. Only periodic replacement of low- cost media in the pre-filter cartridges is required for long term opera- tion and there is absolutely no need to replace expensive biofiltration media. Plant Selection Abundant plants, trees, and grasses bring value and an aesthetic benefit to any urban setting, but those in the MWS Linear do even more -they increase pollutant removal. What's not seen, but very important, is that below grade the stormwater runoff/flow is being subjected to nature's secret weapon: a dynamic physical, chemi- cal, and biological process working to break down and remove non-point source pollutants. The flow rate is controlled in the MWS Linear, giving the plants more "contact time" so that pollutants are more successfully decomposed, volatilized and incorporated into the biomass of The MWS Linear's micro/macro flora and fauna. A wide range of plants are suitable for use in the MWS Linear, but selec- tions vary by location and climate. View suitable plants by selecting the list relative to your project location's hardy zone. Please visit www.ModularWetlands.com/Plants for more information and various plant lists. Page 9 www.ModularWetlands.com www.ModularWetlands.com I (855) SMOD-WET I info@ModularWetlands.com ClEAN. EHrl~OHMEHTAt SUVICES. 11/C Section [ ) Modular Subsurface Flow Wetland System PART 1 -GENERAL 01.01 .00 Purpose The purpose of this specification is to establish generally acceptable criteria for Modular Subsurface Flow Wetland Systems used for biofiltration of stormwater runoff including dry weather flows and other contaminated water sources. It is intended to serve as a guide to producers, distributors, architects, engineers, contractors, plumbers, installers, inspectors, agencies and users; to promote understanding regarding materials, manufacture and installation; and to provide for identification of devices complying with this specification. 01.02.00 Description Modular Subsurface Flow Wetland Systems (MSFWS) are used for filtration of stormwater runoff including dry weather flows. The MSFWS is a pre-engineered biofiltration system composed of a pretreatment chamber containing filtration cartridges, a horizontal flow biofiltration chamber with a peripheral void area and a centralized and vertically extending underdrain, the biofiltration chamber containing a sorptive media mix which does not contain any organic material and a layer of plant establishment media, and a discharge chamber containing an orifice control structure . Treated water flows horizontally in series through the pretreatment chamber cartridges, biofiltration chamber and orifice control structure. 01.03.00 Manufacturer The manufacturer of the MSFWS shall be one that is regularly engaged in the engineering design and production of systems developed for the treatment of stormwater runoff for at least (10) years, and which have a history of successful production, acceptable to the engineer of work. In accordance with the drawings, the MSFWS(s) shall be a filter device Manufactured by Bio Clean Environmental Services, Inc., or Modular Wetland Systems, Inc., or assigned distributors or licensees. Bio Clean Environmental Services Inc., and Modular Wetland Systems, Inc., can be reached at: Corporate Headquarters: Bio Clean Environmental Service, Inc. 2972 San Luis Rey Road Oceanside, CA 92058 Phone: (760) 433-7640 Fax: (760) 433-3176 www.biocieanenyironmental.net Corporate Headquarters: Modular Wetland Systems, Inc. P.O. Box869 Oceanside, CA 92049 Phone: (760) 433-7650 www.modularwetlands.net Modular Subsurface Flow Wetland System Page 1 of 6 CLEAN. EHVIROHMtHTAl SUVICES, INC. 01.04.00 Submittals 01.04.01 01.04.02 01.04.03 Shop drawings are to be submitted with each order to the contractor and consulting engineer. Shop drawings are to detail the MSFWS and all components required and the sequence for installation, including: • System configuration with primary dimensions • Interior components • Any accessory equipment called out on shop drawings Inspection and maintenance documentation submitted upon request. 01.05.00 Work Included 01.05.01 01.05.02 Specification requirements for installation of MSFWS. Manufacturer to supply components of the MSFWS(s): • Pretreatment chamber components (pre-assembled) • Concrete Structure( s) • Biofiltration chamber components (pre-assembled) • Flow control discharge structure (pre-assembled) 01.06.00 Reference Standards ASTMC29 Standard Test Method for Unit Weight and Voids in Aggregate ASTM C88 C 88 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate ASTM C131 C 131 Standard Test Method for Resistance to Degradation of Small-Size Coarse Aaaregates by Abrasion and Impact in the Los Angeles Machine ASTM C 136 C 136 Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates ASTMC330 C 330 Standard Specification for Lightweight Aggregate for Structural Concrete ASTM D 698 Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft.-lbf/ft3 (600 kN-m/m3) ASTM D 1621 10 Standard Test Method for Compressive Properties Of Rigid Cellular Plastics ASTM D 1777 ASTM D1777 -96(2007) Standard Test Method for Thickness of Textile Materials ASTM D 4716 Standard Test Method for Determining the (In-plane) Flow Rate per Unit Width and Hydraulic Transmissivitv of a Geosynthetic Using a Constant Head AASHTO T99-Standard Method ofTest for Moisture-Density Relations of Soils Using a 2.5-kg 01 (5.5-lb) Rammer and a 305-mm (12-in) Drop AASHTOT 104 Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Maonesium Sulfate AASHTOT260 Standard Method of Test for Sampling and Testing for Chloride Ion in Concrete and Concrete Raw Materials. AASHTO T288 Standard Method of Test for Determining Minimum Laboratory Soil Resistivity AASHTOT289 Standard Method of Test for Determining ph of Soil for Use in Corrosion Testing AASHTO T291 Standard Method ofTest for Determining Water Soluble Chloride Ion Content in Soil AASHTOT290 T 290 Standard Method of Test for Determining Water Soluble Sulfate Ion Content in Soil Modular Subsurface Flow Wetland System Page 2 of 6 CLEAN. EHVIROHMlHfAL SUVICES, INC PART 2 -COMPONENTS The Modular Subsurface Flow Wetland Systems (MSFWS) and all of its components shall be self-contained within a concrete structure constructed of concrete with a minimum 28 day compressive strength of 5,000 psi, with reinforcing per ASTM A 615, Grade 60, and supports and H20 loading as indicated by AASHTO. Each Chamber shall have appropriate access hatches for easy maintenance and sized to allow removal of all internal components without disassembly. All water transfer system components shall conform with the following; • Filter netting shall be 100% Polyester with a number 16 sieve size, and strength tested per ASTM D 3787. • Drainage cells shall be manufactured of lightweight injection-molded plastic and have a minimum compressive strength test of 6,000 psi and a void area along the surface making contact with the filter media of 75% or greater. The cells shall be at least 2" in thickness and allow water to freely flow in all four directions. 02.01 .00 Pretreatment Chamber Components 02.01 .01 02.01.02 Filter Cartridges shall operate at a loading rate not to exceed 3 gallons per minute per square foot surface area. Drain Down System shall include a pervious floor that allows water to drain into the underdrain pipe that is connected to the discharge chamber. 02.02.00 Biofiltration Chamber Components 02.02.01 02.02.02 02.02.03 Media shall consist of ceramic material produced by expanding and vitrifying select material in a rotary kiln. Media must be produced to meet the requirements of ASTM C330, ASTM C331, and AASHTO M195. Aggregates must have a minimum 24-hour water absorption of 10.5% mass. Media shall not contain any organic material. Flow through media shall be horizontal from the outer perimeter of the chamber toward the centralized and vertically extending underdrain. The retention time in the media shall be at least 3 minutes. Downward flow filters are not acceptable alternatives. The thickness of the media shall be at least 19" from influent end to effluent end. The loading rate on the media shall not exceed 1.1 gallons per minute per square foot surface area. Media must be contained within structure that spaces the surface of the media at least 2" from all vertically extending walls of the concrete structure. Planting shall be native, drought tolerant species recommend by manufacturer and/or landscape architect. Plant Support Media shall be made of a 3" thick moisture retention cell that is inert and contains no chemicals or fertilizers, is not made of organic material and has an internal void percentage of 80%. 02.03.00 Discharge Chamber The discharge device shall house a flow control orifice plate that restricts flows greater than designed treatment flow rate. All piping components shall be made of a high-density polyethylene. The discharge chamber shall also contain a drain down filter if specified on the drawing. Modular Subsurface Flow Wetland System Page 3 of 6 CLEAN. EHVl~OHMEHJAL SUVICES, INC. PART 3 -PERFORMANCE 03.01 .00 General 03.01 .01 03.01.02 03.01.03 Function -The MSFWS has no moving internal components and functions based on gravity flow, unless otherwise specified. The MSFWS is composed of a pretreatment chamber, a biofiltration chamber and a discharge chamber. The pretreatment device houses cartridge media filters, which consist of filter media housed in a perforated enclosure. The untreated runoff flows into the system via subsurface piping and or surface inlet. Water entering the system is forced through the filter cartridge enclosures by gravity flow. Then the flow contacts the filter media. The flow through the media is horizontal toward the center of each individual media filter. In the center of the media shall be a round slotted PVC pipe of no greater than 1.5" in diameter. The slotted PVC pipe shall extend downward into the water transfer cavity of the cartridge. The slotted PVC pipe shall be threaded on the bottom to connect to the water transfer cavity. After pollutants have been removed by the filter media the water discharges the pretreatment chamber and flows into the water transfer system and is conveyed to the biofiltration chamber. Once runoff has been filtered by the biofiltration chamber it is collected by the vertical underdrain and conveyed to a discharge chamber equipped with a flow control orifice plate. Finally the treated flow exits the system. Pollutants -The MSFWS will remove and retain debris, sediments, TSS, dissolved and particulate metals and nutrients including nitrogen and phosphorus species, bacteria, BOD, oxygen demanding substances, organic compounds and hydrocarbons entering the filter during frequent storm events and continuous dry weather flows. Treatment Flow Rate and Bypass -The MSFWS operates in-line. The MSFWS will treat 100% of the required water quality treatment flow based on a minimum filtration capacities listed in section 03.02.00. The size of the system must match those provided on the drawing to ensure proper performance and hydraulic residence time. Minimum Treatment Capabilities • System must be capable of treating flows to the specified treatment flow rate on the drawings. The flow rate shall be controlled by an orifice plate. PART 4 -EXECUTION 04.01 .00 General The installation of the MSFWS shall conform to all applicable national, state, state highway, municipal and local specifications. 04.02.00 Installation The Contractor shall furnish all labor, equipment, materials and incidentals required to install the (MSFWS) device(s) and appurtenances in accordance with the drawings and these specifications. Modular Subsurface Flow Wetland System Page 4 of 6 ClEAN. £HVIROHMEHTAl SUYICU, IHC 04.02.01 04.02.02 04.02.03 04.02.04 04.02.05 04.02.06 Grading and Excavation site shall be properly surveyed by a registered professional surveyor, and clearly marked with excavation limits and elevations. After site is marked it is the responsibility of the contractor to contact local utility companies and/or DiqAlert to check for underground utilities. All grading permits shall be approved by governing agencies before commencement of grading and excavation. Soil conditions shall be tested in accordance with the governing agencies requirements. All earth removed shall be transported, disposed, stored, and handled per governing agencies standards. It is the responsibility of the contractor to install and maintain proper erosion control measures during grading and excavation operations. Compaction -All soil shall be compacted per registered professional soils engineer's recommendations prior to installation of MSFWS components. Backfill shall be placed according to a registered professional soils engineer's recommendations, and with a minimum of 6" of gravel under all concrete structures. Concrete Structures -After backfill has been inspected by the governing agency and approved the concrete structures shall be lifted and placed in proper position per plans. . Subsurface Flow Wetland Media shall be carefully loaded into area so not to damage the Wetland Liner or Water Transfer Systems. The entire wetland area shall be filled to a level 9 inches below finished surface. Planting layer shall be installed per manufacturer's drawings and consist of a minimum 3" grow enhancement media that ensures greater than 95% plant survival rate, and 6" of wetland media. Planting shall consist of native plants recommended by manufacturer and/or landscape architect. Planting shall be drip irrigated for at least the first 3 months to insure long term plant growth. No chemical herbicides, pesticides, or fertilizers shall be used in the planting or care and maintenance of the planted area. 04.03.00 Shipping, Storage and Handling 04.03.01 04.03.02 Shipping -MSFWS shall be shipped to the contractor's address or job site, and is the responsibility of the contractor to offload the unit(s) and place in the exact site of installation. Storage and Handling-The contractor shall exercise care in the storage and handling of the MSFWS and all components prior to and during installation. Any repair or replacement costs associated with events occurring after delivery is accepted and unloading has commenced shall be born by the contractor. The MSFWS(s) and all components shall always be stored indoors and transported inside the original shipping container until the unit(s) are ready to be installed. The MSFWS shall always be handled with care and lifted according to OSHA and NIOSA lifting recommendations and/or contractor's workplace safety professional recommendations. 04.04.00 Maintenance and Inspection 04.04.01 Inspection -After installation, the contractor shall demonstrate that the MSFWS has been properly installed at the correct location(s), elevations, and with appropriate components. All components associated with the MSFWS and its installation shall be subject to inspection by the engineer at the place of installation. In addition, the contractor shall demonstrate that the MSFWS has been installed per the manufacturer's specifications and recommendations. All Modular Subsurface Flow Wetland System Page 5 of 6 ClEAN. (HVIROHM[HTAt SUYICU, INC_ 04.04.02 04.04.03 components shall be inspected by a qualified person once a year and results of inspection shall be kept in an inspection log. Maintenance -The manufacturer recommends cleaning and debris removal maintenance of once a year and replacement of the Cartridge Filters as needed. The maintenance shall be performed by someone qualified. A Maintenance Manual is available upon request from the manufacturer. The manual has detailed information regarding the maintenance of the MSFWS. A Maintenance/Inspection record shall be kept by the maintenance operator. The record shall include any maintenance activities preformed, amount and description of debris collected, and the condition of the filter. Material Disposal -All debris, trash, organics, and sediments captured by the MSFWS shall be transported and disposed of at an approved facility for disposal in accordance with local and state requirements. Please refer to state and local regulations for the proper disposal of toxic and non-toxic material. PART 5 -QUALITY ASSURNACE 05.01 .00 Warranty The Manufacturer shall guarantee the MSFWS against all manufacturing defects in materials and workmanship for a period of (5) years from the date of delivery to the ___ . The manufacturer shall be notified of repair or replacement issues in writing within the warranty period. The MSFWS is limited to recommended application for which it was designed. 05.02.00 Performance Certification The MSFWS manufacturer shall submit to the Engineer of Record a "Manufacturer's Performance Certificate" certifying the MSFWS is capable of achieving the specified removal efficiency for suspended solids, phosphorous and dissolved metals. Modular Subsurface Flow Wetland System Page 6 of 6 Maintenance Guidelines for Modular Wetland System -Linear Maintenance Summary ~ MODULAR WETLANDS o Remove Trash from Screening Device -average maintenance interval is 6 to 12 months. • (5 minute average service time). o Remove Sediment from Separation Chamber -average maintenance interval is 12 to 24 months. • ( 10 minute average service time). o Replace Cartridge Filter Media -average maintenance interval 12 to 24 months. • ( 10-15 minute per cartridge average service time). o Replace Drain Down Filter Media -average maintenance interval is 12 to 24 months. • ( 5 minute average service time). o Trim Vegetation -average maintenance interval is 6 to 12 months. • ( Service time varies). System Diagram Inflow Pipe (optional) Access to screening device, separation chamber and cartridge filter Biofiltration Chamber www.modularwetlands.com Chamber Access to drain down filter i:_ MODULAR WETLANDS Maintenance Procedures Screening Device 1. Remove grate or manhole cover to gain access to the screening device in the Pre- Treatment Chamber. Vault type units do not have screening device. Maintenance can be performed without entry. 2. Remove all pollutants collected by the screening device. Removal can be done manually or with the use of a vacuum truck. The hose of the vacuum truck will not damage the screening device. 3. Screening device can easily be removed from the Pre-Treatment Chamber to gain access to separation chamber and media filters below. Replace grate or manhole cover when completed. Separation Chamber 1. Perform maintenance procedures of screening device listed above before maintaining the separation chamber. 2. With a pressure washer spray down pollutants accumulated on walls and cartridge filters. 3. Vacuum out Separation Chamber and remove all accumulated pollutants. Replace screening device, grate or manhole cover when completed. Cartridge Filters 1. Perform maintenance procedures on screening device and separation chamber before maintaining cartridge filters. 2. Enter separation chamber. 3. Unscrew the two bolts holding the lid on each cartridge filter and remove lid. 4. Remove each of 4 to 8 media cages holding the media in place. 5. Spray down the cartridge filter to remove any accumulated pollutants. 6. Vacuum out old media and accumulated pollutants. 7. Reinstall media cages and fill with new media from manufacturer or outside supplier. Manufacturer will provide specification of media and sources to purchase. 8. Replace the lid and tighten down bolts. Replace screening device, grate or manhole cover when completed. Drain Down Filter 1. Remove hatch or manhole cover over discharge chamber and enter chamber. 2. Unlock and lift drain down filter housing and remove old media block. Replace with new media block. Lower drain down filter housing and lock into place. 3. Exit chamber and replace hatch or manhole cover. www.modularwetlands.com 1:_ MODULAR WETLANDS Maintenance Notes 1 . Following maintenance and/or inspection, it is recommended the maintenance operator prepare a maintenance/inspection record. The record should include any maintenance activities performed, amount and description of debris collected, and condition of the system and its various filter mechanisms. 2. The owner should keep maintenance/inspection record(s) for a minimum of five years from the date of maintenance. These records should be made available to the governing municipality for inspection upon request at any time. 3. Transport all debris, trash, organics and sediments to approved facility for disposal in accordance with local and state requirements. 4. Entry into chambers may require confined space training based on state and local regulations. 5. No fertilizer shall be used in the Biofiltration Chamber. 6. Irrigation should be provided as recommended by manufacturer and/or landscape architect. Amount of irrigation required is dependent on plant species. Some plants may require irrigation. www.modularwetlands.com Maintenance Procedure Illustration Screening Device The screening device is located directly under the manhole or grate over the Pre-Treatment Chamber. It's mounted directly underneath for easy access and cleaning. Device can be cleaned by hand or with a vacuum truck. Separation Chamber The separation chamber is located directly beneath the screening device. It can be quickly cleaned using a vacuum truck or by hand. A pressure washer is useful to assist in the cleaning process. www.modularwetlands.com i_ MODULAR WETLANDS Cartridge Filters The cartridge filters are located in the Pre-Treatment chamber connected to the wall adjacent to the biofiltration chamber. The cartridges have removable tops to access the individ\.lal media filters. Once the cartridge is open media can be easily removed and replaced by hand or a vacuum truck. Drain Down Filter The drain down filter is located in the Discharge Chamber. The drain filter unlocks from the wall mount and hinges up. Remove filter block and replace with new block. www.modularwetlands.com _i_ MODULAR WETLANDS Trim Vegetation Vegetation should be maintained in the same manner as surrounding vegetation and trimmed as needed. No fertilizer shall be used on the plants. Irrigation per the recommendation of the manufacturer and or landscape architect. Different types of vegetation requires different amounts of irrigation. www.modularwetlands.com -1_ MODULAR WETLANDS Inspection Form Modular Wetland System, Inc. P. 760.433-7640 F. 760-433-3176 E. lnfo@modularwetlands.com www.modularwetlands.com ~ MODULAR WETLANDS CLEAN. EH~IIONM.tHrA&. Ut:VICU, IHC Inspection Report Modular Wetlands System Project Name ------------------------------------------ Project Address ------------------------------,(c1ty..,._,)--""<""Z1p_Cad,,...,.0..,.)------ 0wner I Management Company ___________________________________ _ Contact Phone ( ----------------------- Inspector Name ___________________ _ Date Time For Office Use Only (Reviewed By) (Da11t) Office pelSO!lnel 10 complete section to the left. AM/PM ------- Type of Inspection O Routine 0 FollowUp 0 Complaint 0 Stonn Storm Event in Last 72-hours? 0 No O Yes Weather Condition Additional Notes Inspection Checklist Modular Wetland System Type (Curb, Grate or UG Vault): Size (22', 14' or etc.): Structural Integrity: Yes ·No Comments Damage to pre-treatment access cover (manhole cover/grate) or cannot be opened using normal lifting pressure? Damage to discharge chamber access cover (manhole cover/grate) or cannot be opened using normal lifting pressure? Does the MWS unit show signs of structural deterioration (cracks in the wall, damage to frame)? Is the inlet/outlet pipe or drain down pipe damaged or otherwise not functioning properly? Working Condition: Is there evidence of illicit discharge or excessive oil, grease, or other automobile fluids entering and clogging th unit? Is there standing water in inappropriate areas after a dry period? Is the filter insert (if applicable) at capacity and/or is there an accumulation of debris/trash on the shelf system? Does the depth of sediment/trash/debris suggest a blockage of the inflow pipe, bypass or cartridge filter? If yes IOeplh: specify which one in the comments section. Note depth of accumulation in in pre-treatment chamber. Chamber: Does the cartridge filter media need replacement in pre-treatment chamber and/or discharge chamber? Any signs of improper functioning in the discharge chamber? Note issues in comments section. Other Inspection Items: Is there an accumulation of sediment/trash/debris in the wetland media (if applicable)? Is it evident that the plants are alive and healthy (if applicable)? Please note Plant Information below. Is there a septic or foul odor coming from inside the system? Waste: Yes No Recommended Maintenance Plant Information Sediment/ Silt / Clay No Cleaning Needed Dama!l8 to Plants Trash / Bags / Bottles Schedule Maintenance as Planned Plant Reolacement Green Waste / Leaves / Foliage Needs Immediate Maintenance Plant Trimming Additional Notes: 2972 San Luis Rey Road, Oceanside, CA 92058 P (760) 433-7640 F (760) 433-3176 ---~i'- .,;;.. , ~---~-... -· ! ./ -.. ,' .,,.. . ·?.tr . .,,,,..._ ..... _ _; • I . . Maintenance Report Modular Wetland System, Inc. P. 760.433-7640 F. 760-433-3176 E. lnfo@modularwetlands.com www.modularwetlands.com 1 MODULAR WETLANDS CLEAN' EHVIAOHMEHTAl SElll:VICIS, IHC. Cleaning and Maintenance Report Modular Wetlands System ~ MODU LAR WETLANDS Project Name --------------------------------------For Office Use Only Project Address --------------------------.,-Cc""11y):----,,(Z1p:::-:Cod~•>,-------""l(R""'evtewed..,........,B_y)-------1 Owner/ Management Company ________________________________ "'iiu""',a"" 119 .--,--------i Offlce personnel to complete section lo Contact ___________________ _ Phofl6 ( Ille left. Inspector Name _________________ _ Date nme AM/PM ------ Type of Inspection D Routine D Follow Up D Complaint D Storm Storm Event in Last 72-hours? D No D Yes Weather Condition Additional Notes Condition of Media Operational Per Site GPS Coordinates Manufacturer/ Trash Foliage Sediment Total Debris 25/50rT5/100 Manufactures' Map# of Insert Description/ Sizing Accumulation Accumulation Accumulation Accumulation (will be changed Specifications @75%) (If not, why?) Lat MWS Catch Basins Lona: MWS Sedimentation Basin Media Filter Condition Plant Condition Drain Down Media Condition Discharge Chamber Condition Drain Down Pipe Condition Inlet and Outlet Pipe Condition Comments: 2972 San Luis Rey Road, Oceanside, CA 92058 P. 760.433.7640 F. 760.433.3176 ATTACHMENT 2 STORMTRAP® TYPICAL DETAILS ~- . ® , __ .,1 T • flif1f1l1rl1 PRECAST CONCRETE MODULAR STORMWATER MANAGEMENT SYSTEM STORMTRAP USA SINGLETRAP ANYWHERE,USA DESIGN ASSUMPTIONS CCYER: MIN: 11:B-MAX: IS.CO' GA0l.Nll WATER TABLE: BEl.DW THE S'ISTEMS INVERT SOIL PRESSURE: 3000PSF LOADING: AASHTD HS<!O HGHWAY LDACING SHEET INDEX PAGE DESCRIPTION o.o COVER SHEET 1.0 SINGIETRAP INSTALLATION SPECIFICATIONS 2.0 SINGl£TRAP INSTALLATION SPECIFICATIONl ao CETAILLA'roUT .. , FOUNDATION LA'roUT 4.0 STANCII\Rll • 5'..,. SINGl£TRAP UNIT TYPES JOB SITE INFORMATION DESCRIPTION JOBNAME: STOAMTIW' USA· SINGI.EIRAP ENGINEERING OOMPNN: ENGINEERS USA CONTACT NAME: CONTACT PHONE: CONTACTF>:¥..: STORM ~ Sl.PPUER: STOAMTIW' CONTACT NAME: -CEU.PHONE: -SAIJcSEMAl1-' - WATER STOfWlf REOD: 4"'500.00 CU!ICFEET WATER STORAGE PROV: 43.DJS-45 CU!IC FEET UNT HEAIJAOOM: ...... SINGl£TRAP UNT CUANTTTY: 71 TOTAL.PIECES ~ ~€i!m,Uiiwi. 2<95 WEST BUNGALOW ROAD MORl!ts.l= P:815-9-41◄663 f: 815--416-1100 ENGINEER INFOAW.TION: ENGINEERS USA ANYWHERE,USA PHONE: FAX: PROJECT INFalW.llON: STORMTRAP USA-SINGI..ETRAP ANYWHERE, USA. CURAfNT ISS\.ED i:l'.TE: I 05-AUG-2013 I APPROIIED BY· I I REV. I I 1 PRELIMINARY 1 1 FEV.: DATE: DESC C1NG. 1 1 1 & 05-AUG-201:! ISSUED FOR PRELIMINARY - SCAI.E: I NTS I S..el'Tm.E.: I COVERSHEET I SHEET NUMBER: 0.0 STORMTRAP INSTAUATION SPECIFICATION 1. STORMTRAP MOOUlES SHALL BE MANU'ACTUAED ACCOAOING TO SHOP DRAWINGS APPROVED BY THE INSTALLN3 CONTRACTOR ANO ENGINEER. n£ SHOP DRAWINGS, SHAU. INDICATE SIZE ANO LOCATION Of ROOF Ol'ENNGS AND Nl.ET/ OUTLET PIPE OPENN<lS. 2. STORMTRAP SHAU. BE INSTAUED IN ACCORDANCE WITH ASTM C891.og, STANDARD PRACTICE FOR IN.STAUATION OF UNDERGROUND PRE-CAST CONCRETE UTUTY STRUCTURES. THE FOUOWING ADDITIONS AND/OR EXCEPTIONS SHAI..I. APPLY: A. Sf'ECIACATIONS ON THE ENGINEER'S DRAWINGS SHALL TAl<E PRECEDENCE. 8. STOIMTRAP MOOlA.ES SHAU. BE PV.CEO ON LEVEL FOUN~TION (SEE SHEET S.1) WITH A 1'-1.:1' OVERHANG ON AU. SIDES TliAT SHAU. BE POURED IN Pt.ACE BY INST Al.UNO CONTRACTOR C. THE STORMnW> MOOULES SHALL BE A.ACED SUCH TI-fAT THE MAXIMUM SPACE BETWEEN ADJACENT MOOU1£S DOES NOT EXCEED 3/4". IF THE SPACE EXCEEDS 3/4", THE MODULES SHAU. BE RESET WITH APPROPRIATE AIUJSTMENT MADE TO LINE ANO GRADE TO BRING THE SPACE INTO SPECIFICATION. 0. THEPERMETERHORZONTALJOINTOFTHESTORMTRAPMODU£SSHAU.BE SEALED TO THE FOOTINGS WITH PREFORMED MASTIC JOINT SEAlBI ACCORDING TO ASTM C8D1.og, 8.8 ANO 8.12. JOINT WRAP (SEE NOTJE 2E) STEPPED OR SERRATIEO AND APPUCABUa OSHA RECUIREMENlS (SEE NOTJE2F) E. AU. EXTEAOR JOINTS BETWEEN ADJACENT STORMTRAP MOOUlES SHAU.. BE SEALED WITH PRE-FORMED, CQLD.APPUED, SEIF-AOHERNG EIASTOMERIC RESIN BONDED TO A WOVEN HGHI. Y PUNCTU£ RESISTANT POl YMERWRAP CONFOfMNG TD ASTM C..,- 00 ANOSHAU. BE <NI' NTEGRATEO PRIMER SEALANT AS APPROVED BY STORMTRAP. THE AllHESNE EXTERIORJOINT WRAP SHAI..I. BE INSTALi.ED ACCOROING TO THE FOLLOWING INSTAU.ATION INSTRUCTIONS: 1. USE A BRUSH OR WET CLOTH TO THOROUGHLY CLEAN THE OUTSIDE SURFACE AT THE POINT WHERE THE JOINT WRAP IS TO BE APPUED. 2. A RELEASE PAPER PROTECTS THE ADHESIVE SlOE OF THE JOINT WRAP. ~~Af}~~~~~TURE, FVWLY AGAINST THE STOIMTRAP MOOU£ SUlt'ACE WHEN APPi. YING. F. THE FILL PLACED AROUND THE STORMTRAP UNTS MUST BE DEPOSITED ON BOTH SIDES AT THE SAME TIME ANO TOAPPROXIMATB..YTHE SAME El£VATION. AT NO TIME SHAU. THE FILL BEHNO ONE SlOE WAL!. BE MORE THAN :N1' HIGIER THAN THE FILL ON THE OPPOSITE SIOE. BACKFILL SHALL BE COMPACTED TO 00% STANDARD PAOCTOR DENSITY OR OTl£RWISE SPEOFIED BY ENGINEER CARE SHALL BE TAl<EN TO PAE\IENT ANY WEOOING ACTION AGAINST THE STRUCTURE. ANO AU. SI.OPES BOlNJWG ORWITHINlHE AFEA TO BE BACKFIUED MUST BE STEPPED OR SEPAA.TEO ~~~~~~~:f?=~fH~~~CME DURING THE BACKFIU. PROCESS. BACl<FIU. MATERIAL TO CONSIST OF 1/4•TO 314• WASHED COARSE AGGREGATE STONE OR APPROVED EQUAL STORMTRAP SPECIFICATION 1. TOTAL COVER: J.IN. 1.0B'MAX.O.OOCONSlLTSTORMmAPFORADOITk:INN.. COVER OPTIONS. 2. CONCIETE CHAMSER DESIGNED FOR AASHTO HSl!0 HIGHWAY LOADING. MIN. SOIL PfESSURE 3000 PSF. 3. AU. DIMENSIONS N-o SOIL CONOITJONS, Na.LIDING BUT NOT LIMITED TO GROUNDWATER ANO SOIL BEARN<l CAPACITY ARE TO BE VERIFIED IN THE RELD BY OTHERS PFIOR TO STORMTRAP INSTAU.ATlON. 4. FORSTRUCTUIW.CALCUI.ATIONSTHEGAOl.t<OWATERTABLEISASSl.l!EDTOBE BELOW THE SYSTEMS INVERT. IF WATER TABLE IS OIFfERENT THAN ASSUMED, CONTACT STORMTRAP. 5. FOR STRUCTUIW. CALCULATIONS THE SOIL DENSITY IS ASSl.l!ED TO BE 120 PCF. O. FOR FLOTATION CALCULATIONS THE GROUND WATER TABLE IS ASSUMED TO BE BELOW THE SYSTEMS INVERT. IF WATER TABLE IS DIFFERENT THAN ASSUMED, CONTACT STORMTlW'. 7. STORMTRAP IS NOT WATERTIGHT. CONTACT STOIMTRAP FOR WATERTIGHT OPTIONS. WATERTIGHT APPUc.A.TlON TOBE PROWlED BY OTHERS. EXTERIOR W/W.. OF STORMTRAP 1"¢) JOINT TAPE APPLIED AROUND THE PERIMETER FOUNDATION OFTHESYSTJEMONLY DETAIL 'A' JOINT TAPE INSTALLATION ---~.----.---All.OWABUa MAX GRADE • TBO --=-=-c=-~-=--=-=---=---:-~~-=-=:_-::-=::_=-= -_ -_ All.OWABUa MIN. GRADE• TBO ----------- 1-----=---=---=---=,,_--=---=---=---=---=---=---=---i~~ 5'-8" SINGLETRAP ~--------,-+----'\11"~-INSIOE/VAULT • TBD 5'-8" 1'-0"MIN. OVERHANG--!--~ V "---=BIJOYANCY ELEVATION • TBD SEESHEET3.1 FOR DETAILS ·FOR smucn.fW..AND FLOTATION CALCU.ATIONS THE GROUNDWATER TABUa IS ASSUMED TO BE BELOW THE SYSTEMS INVERT. IF WATER TABLE IS OIFFERENT THAN ASSI.MEO, CONTACT STORMTRAP. ~~~ 2495 WEST IIUNG.-.LOW ROAD M0t!R5. L 60450 P:815-9-41---4663 F:81>416-1100 ENGINEER l~TJON: ENGINEERS USA ANYWHERE, USA PHONE: FAX: PROJECT INFalMATJON: STORMTRAP USA-SINGLETRAP ANYWHERE, USA I PRELIMINARY REVc DATE: DESC. DWG. /\ ISSUED FOR ~ 05-AUG-2013 PRELIMINAAY ~ SCALE: NIB SHEETTITl.E: SINGLETRAP INSTALLATION SPECIFICATIONS SHEET NUMBER: 1.0 RECOMMENDED ACCESS OPENING SPECIFICATION 1. A TYPICAL ACCESS OPENING FOATHESTOAMTRAP SYSTEM RANGES FROM:t-C1'TO~-<rlN OIAMETEFl ACCESS e>PEM,QS LARGER THAN '1-0' IN DIAMETER NEED TO BE Al'PRO\IEll BY STORMTRAP. 2. PLASTIC COATED STEEi. STEPS PAOOUCEll BY MA INOUSTRJES PART #f'S3-PFC (SEE w~~=~{:f ~~~~~w~m~r'll'mr□r~ OF THE STORMTRAP UNITS. ALL ENSUING STEPS SHALL BE PIACED WITH A MAXIMUM DISTANCE OF 1•..-BETWEEN THEM. STEPS MAYBE MOVEDORALTEREDTOAVOO OPENINQS OR OTHER IMEGUWITIES IN THE UNIT. 3. STORMTRAP LIFTING INSERTS MAY BE RELOCATED TO COINCIDE WITH THE ACCESS OPENING OR THE CENTER OF GRAVITY OF THE UNrT AS NEEDED. 4. STORMTRAP ACCESS OPENINClS MAY NOT INTERFERE WITH INl£T AND/OR OUTLET OPENINClS. 5. ACCESS OPENINClS SHOW) BE LOCATED IN OAIJER MEET THE APPROPRIATE MUNICIPAL REQUIREMENTS. STORMTRAP RECOMMENDS AT LEAST ONE ACCESS OPENING PER SYSTEM. 6. USE PAECAST ADJUSTING RINClS AS NEEDED TO MEET QRAOE. STORMTRAP RECOMMENIDS FOR COVER OVER 2' TO USE PAECAST BARREL OR CONE SECTIONS. RECOMMENDED PIPE OPENING SPECIFICATION 1. MINIMUM EOGE DISTANCE FOR AN OPENING ON THE OUTSOEWALLSHAU. BE NO LESS THAN1'.o". 2. ALL OPENINClS MUST RETAIN AT LEAST 1'-0' OF Cl£AAANCE INALL DIRECTIONS FROM THE EDGE OF THE STORMTRAP UNTS. 3. OPENING SIZE SHALL NOT EXCEED <!136" OR ,,_,,. LESS THEN THE INSIDE HEXlHT OF THE UNIT. EXAMPLE: '1-0' UNIT MAXIMUM OPENING e <ii 1'_,,._ 4. OPENINClS ARE NOT LIMITED TO THE ABOVE PARAMETERS BUT AAE RECOMMENDED. ~ OPENING NEEDED THAT DOES NOT FIT THE CIITERIA SHALL BE BRCJUC3HT TO THE ATTENT10N OF STORMTRAP FOR REVIEW. 5 CONNECTING PIPES SHALL BE INSTALLED WITH A 1'-0' CONCRETE COUAR. AND A AGGREGATE CRADLE FOR AT LEA.ST ONE PIPE LENGTH, >S SHOWN. A smUCl\JRAL GAADE CONCFETE OR GROUT WITH A MINIMUM 2S ~y OClMPIESSIVE STRENGTH OF 3000 PSI SHALL BE USED. o THE ANNUi.AA SPACE BETWEEN THE PIPE AND THE HOl£ SHALl BE RlJ..Ell WITH NON-SHRINK GROUT. RECOMMENDED INSTALLATION INSTRUCTIONS 1. Cl.EAN ANO UGHTL Y LUBRICATE AU. OF PU'E TO BE INSERTED INTO STORMTRAP. 2. IF PfPE IS CUT, CARE SHOU.O BE TAKEN TO AJ.lDN NO SHAFF EDGES. BEVEL.AND WBRICATE LEAD END OF PIPE. s. AUON OENTER OF PIPE TO CORIECT B.£VATIONAND INSERT MO OPENING. PRECAST CONCRETE ADJUSTING RINGS, BARREL OR CONE SECTIONS />S NEEDED VAI.J..OFSTORMTRAP 1 '-0" x 1 '-0" CONCRETE COUAR (TYP) / NLET/OUn.ET PIPE NON-SHRINKGROUT"----.._ • '· • _ NO~-SHRINK GROUT~ ./_ ~~i"i'iS1 1l l~I I I NOTCHIN:OUNDATION~/ TO AI.J..OW INVERT OF PIPE TO MEET THE INVERT OF THE FOUNDATION FRAME & COVER />S SPECIAED BYENGINEER FOUNDATION PIPE CONNECTION SEE RECOMMENfii\'cf~~~~~:~ A 7'_ NON-SHRINK~~-ti" ·:. :;; ·;_ ·•/ -;-_';" _:' \• :··' f-+ 1'-0" MIN. 17?-j 'r-7 I I I 1'-0" • • I 1•-4• • • I 1•-4• • • I RISER/ STAIR DETAIL -1•-4•--+ --13/18" I -1•-4314• 7 MEETS: OPSS 1351.118.02 BNQ ASTM C-471Hl5o MTM D-4101-Gllb AASHT0 M-199 l>STMA-111, =-== 1·-Sl/2"=1_f ~ i STAIR DETAIL ~ ,is~~i?I~ 2495 WEST BUNGALOW ROAD MORR~. L 60450 P:815--941-4663 F:815-416-1100 ENGINEER INFOl¥M TION: ENGINEERS USA ANWIHERE,USA PHONE: FAX: PAOJECT INFORMATION: STORMTRAP USA-SINGI.ETRAP ANYWHERE, USA CURRENT ISSUED ~TE: I 05-AUG-2013 APPA0VED BY: I I PRELIMINARY I I I REV.: DATE: DESC, DWQ /\ ISSUED FOR ~ 06-AUG-2013 PREUMlNARY - SCALE: I NTS I SHEET TITLE: RECOMMENDED SINGLETRAP INSTALLATION SPECIFICATIONS SHEET NUMBER: 2.0 BILL OF MATERIALS A ~ QlY. UNIT TYPE DESCIIPTION WBGHT ~1!i~ <7 I 5'-8" SINGl.ETRAP 16000 2495 WEST BUNGALOW ROAD 0 II 5'-8" SINGLETRAP , ... MORRIS.IL6<WSO l P:81.S--9-41--t663 ,. " r1-r ~NGLEmAP 10250 f: 8)$-416-1100 0 IV 5'-8"Slflk'.3LETRAP 17712 FOUNDATION DETAILS ENGINEER 11'FORMATION: 0 "' 5'-8" SNGLETfWJ ,.,.,. SEE SHEET 1.0 =lr-----1 ENGINEERS USA • SPIV 15'-8" SINGI.ETRAP VARIES 7r ' 5 PANa tr THIO< WAU. PANB.S 3000# J. Ill Ill Ill Ill ID Ill JOINTWIW ANYWHERE, USA 13 150'PERROll PHONE: IV IV FAX: "" J01NTTAPE 14.5' PER ROU I I I I I I PROJECT INFOOMATION: ----STORMTRAP USA-SINGLETRAP I I I I I I ANYWHERE, USA. Ill Ill I I I I I I o.mENT ISSUED DATE: ,---I 05-AUG-2013 I I I I I I I APf'AOl,1,l)BY: Ill IR I I I I I I I I ,---I I PRELIMINARY REV.: DATE: DESC. IJNG. IN I I I I I I Ill -I I I I I I - IV IV I I I I I IU - IV IV 11 ISSUED FOR Ill Ill Ill Ill IH 06,,AUG-2013 PRB.IMINARY - SCALE; I NTS I SHEET lTTLE: Wl!a!I CRITER!t, SYSTEM 121MEtt§IQttl ITI I D ETAIL LAYOUT I AU.OWABI.E MAX GRADE = TBD l• 1015 FT-8.25 IN AU.OWABI.E MIN GRADE = TBD INSIDE HEIGHT ELEVATION • TBO W • 81 FT-1.75 IN SYSTEM INVERT = TBO 'W' SHEET NUMBER: STORMTRAP VOLUME • 43,875.45 C.F. / 1.01 A.F. L-A • 110 FT-3.5 IN d_#-1 !Wm; L-B • 15FT-4.751N 3.0 1. DIMENSION OF STORMTIIAP SYSTEM AJJDW FOR A 3/4' GAP BElWEEN EACH UNIT. W-A • 72FT-8IN 2. Al.I. DIMENSIONS TO BE VERIRED IN THE REID BY OTHERS. QET8lb LAYOUT 3. SEE SHEET 2 FOR INSTALLATION SPECIFICATIONS. 4. SP-INDICATcS A UNIT WITH MODIFICATIONS. W-B•8FT-5.7SIN ~~- SEE DETAIL 'B"~ • L- • 4• 4 ... .• . . 4 4 . . 4 .. . 4 .; 4 ~ ... . 4 .• 4 . ·. .• 4 4 • 4 • .. 4 4 .4 .. . . • 4 • .. . .. .. .• .. .. 4 . . .. . . . • 4 . . . • 4. . . 4. ... ... 4 "' 4 T~OP OF FOUNDATION~ _ REBAR Pl.ACED IN 5 <" I CENTER OF SLAB SLAB THICKNESS,"'~~~---=--=-~"'_"'._-:_-:_"_-:_-:_-:_•~>:::::t= DETAIL 'B" STORM TRAP FOUNDATION NOTES: 1. CONCRETE STRENGTH @28 DAYS, 5%-8% ENTRAINED AIR, 4" MAX. SLUMP. 2. NET ALLOWABLE SOIL PRESSURE GREATER THAN OR EQUAL TO 3000 PSF. 3. SOIL CONDITIONS TO BE VERIFIED ON SITE BY OTHERS. 4. 1'-0' OVERHANG AROUND OUTSIDE OF SYSTEM. 5. REBAR: ASTM M!15 GRADE 80. BlACK BAR. • ,4 .. 4 4 .. 4 •· . .. .. . 4 • 4 8. OlMENSION OF FCAAIDATION MUST HAVE 1'-0' OVERHANG BEYOND EXTERNAL FACE OF UNIIB. 7. OlMENSION OF STORMTRAP SYSTEM ALLOW FOR A 3/4' GAP BETWEEN EACH UNIT. 8. ALL DIMENSIONS TO BE VERIFIED IN THE FIELD BY OTHERS. 9. SEE SHEET 2 FOR INSTALLATION SPECIFICATIONS. 10. THE CONTROL JOINTS CAN BE 18'-0' TO 24'-0' MAX APART. 4 11· .. .. · 4 4 ·4 4 . . 4., ... 4 • . . . • 4 4 .. ... ,,. • 4 4 . . . 4 .. . . 4 .. . ... . •' .... ,4 .• . 4 4 .. 4 ..... -... CONCRETE FOUNDATION PLAN 4 .• .. 4 •. . . 4 .. 4 .. . .. . 4 , 4 4 . .. . . 4 .• • . . . 4 . MAXIMUM SYSTEM COVER 8"-1'-0" 1'-1"-2'-0" 2'-1"-3'-0" 3'-1"-4'-0" 4'-1"-5'-0" 5'-1"-8'-0" 8'-1"-7'-0" 7'-1"-8'-0" e•-1•-9'-0" 9'-1"-10'-0" SLAB THICKNESS 8" a· FOUNDATION PIMENS!QNS La 107 FT -8.2SIN W=83FT-1.7!!IN L·A=ll2FT-3.5IN L-B = 15 FT-4.75 IN W-A = 74 FT-8IN W-B =8FT-5.751N CONCRETE REINFORCEMENT STRENGTH (BOTH DIRECTIONS) 4000 psi #4@18"o.c. 4000 psi #4@1fro.c. ~ ~""""'-·"-~ ~IA1'~~~~ 2495 WEST 8UHGALOW ROAD MORRIS. L 60450 P:8I5-941.....:J F:815--416-1100 ENGINEER INFORMATION: ENGINEERS USA ANYWHERE, USA PHONE: FAX: PROJECT INFOOMATION: STORMTRAP USA-SINGLETRAP ANYWHERE, USA IN'PRCMIJ BY: I PRELIMINARY FEV.: DATE: DESC. SCALE: NTS SHEET TITlE: CONCRETE FOUNDATION DETAIL rma. 8" 8' 4000 psi #4@12"o.c. 4000pai #4@12'o.c. +---:::---+-~~=--+-.::,..:.~:=...:=--l SHEETNUMBER: ,-------------8' 4000psl #5@1e•o.o. 8' 8' 8" 10" 4000psl 415@18"0.c. 4000 psi #.S@uro.c. 4000 psi #5@12"o.c. 4000pol #5@12"o.c. 3.1 10" 4500pol #5@12•0.c. NOTES: TYPE IV PANEL TYPE VII PANEL 1. OPENING LOCATIONS VAAY ON UNrT HEIGHT AND LENGTHS. 2. SP-lNDICAlcS A UNIT WITH MODIFICATIONS. 3. POCKET WINDOW OPENINGS ARE OPTIONAL ~ ~"&~ 2-495 WEST IWMGALOW ROAD MORRIS.~.so,50 P: 8\~9,4\-<t663 F:8lS-,l6-ll00 ENGINEER INFORMo'.TlON: ENGINEERS USA ANYWHERE,USA PHONE: FAX: PROJECT INFORMATION: STORMTRAPUSA-SINGLETRAP ANYWl-£RE, USA I PRELIMINARY REV.: DATE: DESC. llWCl. /\ ISSUED FOR L.!.j, 05-AUG-2013 PRBJMINARY ~ SCALE: SI-EETTlTlE: 5'-8' SINGLETRAP UNIT TYPES SI-EETNIMlER: 4.0