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ASSESSMENT OF CONSTRUCTION PLAN ELEMENTS (SECTION A)
<br />ASSESSMENT OF STORM WATER POLLUTION PREVENTION CONSTRUCTION COMPONENT (SECTION 8)
<br />PROJECT GENERAL CONSTRUCTION SCHEDULE
<br />Al
<br />PLAN INDEX SHOWING LOCATIONS OF REQUIRED ITEMS. This Sheet.
<br />81
<br />DESCRIPTION OF POTENTIAL POLLUTANT SOURCES ASSOCIATED WITH CONSTRUCTION ACTIVITIES
<br />The primary pollutant associated with construction activities is sediment. Additional pollutants may be generated by construction vehicle operation and maintenance (e.g. fueling,
<br />1.
<br />Contractor to schedule a Pre -Construction Meeting with the St. Joseph County Engineering Department prior to
<br />A2
<br />VICINITY MAP. See Cover Sheet.
<br />changing hydraulic fluids and oils); improper disposal of construction trash and debris; improper application or over application of fertilizers and pesticides; sanitary chemicals
<br />any land disturbance activities.
<br />and waste from portable toilets, and improper storage, application, and disposal of soluble materials or other materials that may be mobilized by storm water runoff. Equipment
<br />2.
<br />Contractor shall submit a Construction Stormwater General Permit CSGP to IDEM and receive approval.
<br />( ) pp
<br />A3
<br />NARRATIVE DESCRIBING PROJECT NATURE AND PURPOSE
<br />and fuel shall be stored in a centralized location and the Contractor shall institute methods and procedures to prevent discharge of pollutants. All fuel tanks and similar
<br />Contractor shall notify IDEM and the St. Joseph County at least 48 hours in advance of commencing with
<br />The project is an additional Section of a subdivision that includes the construction of
<br />products must be secondarily contained.
<br />construction activities.
<br />HMA pavement and concrete curb, underground utilities including storm sewer, sanitary
<br />sewer and water main.
<br />B2
<br />STABLE CONSTRUCTION ENTRANCE LOCATIONS AND SPECIFICATIONS
<br />3.
<br />Install temporary construction entrance as shown.
<br />See Sheet 18 for the location and Sheet 19 for a detail & specifications. The Contractor is not permitted to track sediment onto any public streets at anytime during
<br />A4
<br />LONGITUDE &LATITUDE
<br />construction. All tracking to be removed as it occurs.
<br />4.
<br />Install silt fencing as shown on SWPPP site plan and inlet baskets/inserts at existing storm inlets with open
<br />Latitude: 41 ° 44' 34" N; Longitude: 86° 18' 58" W
<br />grates.
<br />B3
<br />SPECIFICATIONS FOR TEMPORARY AND PERMANENT STABILIZATION
<br />A5
<br />LEGAL DESCRIPTION OF THE PROJECT SITE
<br />See Project General Construction Schedule, this sheet.
<br />5.
<br />Dust shall be kept to a minimum by utilizing water sprinkling, calcium chloride, vegetative cover, spray on
<br />A part of Section 17-T38N-R2E, German Township, St. Joseph County, IN.
<br />Vegetated areas will be seeded with secured mulch. Slopes 4:1 and greater will be secured with erosion control blankets if they fail to stabilize with seed and mulch. See
<br />adhesives, or other approved methods.
<br />Sheet 18 for locations and Sheet 18 and 21 for details & specifications. Silt fence is proposed where runoff could flow offsite. See Sheet 18 for locations and Sheet 20 for
<br />A6
<br />1107 PLAT- Sheets 3-7.
<br />details & specifications. Fencing to remain in place and maintained until site is stabilized.
<br />6.
<br />Staging, concrete washout area, material storage, and topsoil stockpile areas shall be located as shown on the
<br />SWPPP site plan. If any final locations are different than where identified on the SWPPP plan, new locations
<br />B4
<br />SEDIMENT CONTROL MEASURES FOR CONCENTRATED FLOW AREAS
<br />shall be noted on the site plan. Each area shall be properly protected and delineated prior to construction.
<br />A7
<br />100 YEAR FLOODPLAINS FLOODWAYS, AND FLOODWAY FRINGES
<br />Concentrated flow will occur at the inlets. See Sheet 18 for location of inlet protection and Sheet 19 for details and specifications.
<br />If any of these changes are made to the SWPPP or onsite measures are made, an updated SWPPP must be
<br />N/A; Zone X (Area of Minimal Flooding) per FEMA Panel 18141CO177D (11612011).
<br />B5
<br />SEDIMENT CONTROL MEASURES FOR SHEET FLOW AREAS
<br />submitted to the City for review and approval.
<br />Vegetated areas will be seeded with secured mulch. See Item B3.
<br />7.
<br />The Construction Stormwater General Permit, SWPPP, and who to contact regarding the SWPPP shall be posted
<br />A8
<br />ADJACENT LAND USE, INCLUDING UPSTREAM WATERSHED
<br />at the job site as shown on the SWPPP Site Plan.
<br />B6
<br />RUNOFF CONTROL MEASURES
<br />NORTH - Residen tial ricul tural
<br />/g A
<br />The project does not incorporate any diversions, rock check dams, slope drains or related items.
<br />8.
<br />Contact Indiana Underground Plant Protection Systems, Inc. (INDIANA 811) for underground utility locations.
<br />SOUTH - Residential/Agricultural
<br />(1-800-382-5544).
<br />EAST - Agricultural
<br />B7
<br />STORM SEWER OUTLET PROTECTION LOCATION AND SPECIFICATIONS
<br />Storm water discharges offsite to the subdivision detention basin; which is part of the roadway construction project. See the subdivision construction plans for the end
<br />9.
<br />Strip and stockpile any existing topsoil onsite at a location determined by the Developer/Owner.
<br />WEST - Residential/Agricultural
<br />sections and riprop aprons installed for outlet protection.
<br />10.
<br />No dewatering is expected. If dewatering is required, contact the Engineer and a dewatering plan will be
<br />B8
<br />GRADE STABILIZATION STRUCTURE LOCATIONS AND SPECIFICATIONS
<br />determined and submitted for review and approval.
<br />A9
<br />IDENTIFICATION OF A U.S EPA APPROVED OR ESTABLISHED TMDL:
<br />The project does not incorporate any rock chutes, toe walls, drop structures or related items.
<br />TMDL: St. Joseph River (Lake Michigan) Watershed
<br />11.
<br />Excavate swole and stabilize slope with seeding and secured mulch. If seed and mulch fail to stabilize slope,
<br />Pollutants: E. coli
<br />B9
<br />DEWATERING APPLICATIONS AND MANAGEMENT METHODS
<br />install erosion control blankets as specified.
<br />No dewatering is expected. If dewatering is required, contact the Engineer and a dewatering plan will be determined and submitted for review and approval.
<br />"General
<br />12.
<br />Complete remaining earthwork operations for the site and refer to the SWPPP drawings for Seeding and
<br />A10
<br />RECEIVING WATERS
<br />B10
<br />MEASURES UTILIZED FOR WORK WITHIN WATERBODIES
<br />Surface Stabilization Procedures" for temporary seeding guidelines. Install erosion control blankets as specified.
<br />The site will drain to on interior retention basin located in the northwest corner of the
<br />N/A
<br />13.
<br />Repair any silt fencing if damaged. If silt is 1/3 height of fabric, remove silt and replace/repair fencing as
<br />site. The ultimate receiving water for the area is the St. Joseph River.
<br />Bll
<br />MAINTENANCE GUIDELINES FOR EACH PROPOSED STORMWATER QUALITY MEASURE: See Sheets 19-21.
<br />necessary.
<br />All
<br />IDENTIFY DISCHARGES TO A WATER ON THE CURRENT 303D) LIST
<br />B12
<br />PLANNED CONSTRUCTION SEQUENCE: See Project General Construction Schedule, this sheet.
<br />14.
<br />Immediately after final grading, apply surface stabilization practices on all graded areas, using permanent
<br />"General
<br />measures in accordance with the SWPPP drawings for Seeding and Surface Stabilization Procedures".
<br />No direct discharge to the St. Joseph River.
<br />However, if weather delays permanent stabilization, temporary seeding and/or mulching may be necessary as a
<br />Pollutants for which it is impaired: E. coli, Pcb
<br />B13
<br />PROVISIONS FOR EROSION AND SEDIMENT CONTROL ON INDIVIDUAL RESIDENTIAL BUILDING LOTS. N/A
<br />provisional measure. Also stabilize using temporary seeding/mulching or other suitable means any disturbed area
<br />where active construction will or has not taken place for 15 working days.
<br />Al2
<br />SOILS MAP INCLUDING DESCRIPTIONS AND LIMITATIONS. This sheet.
<br />B14
<br />MATERIAL HANDLING, SPILL PREVENTION AND SPILL RESPONSE
<br />15.
<br />After construction and final grading are completed, install landscaping, and apply permanent stabilization
<br />Construction materials that may be located onsite include vehicle lubricants, oils, vehicular fuels, concrete wash -out, acids, curing compounds, paints, mulch, pesticides,
<br />techniques on all disturbed areas. Also remove temporary runoff control structures and any unstable sediment
<br />A13
<br />IDENTIFICATION OF ADJACENT WETLANDS. LAKES AND WATER COURSES: None
<br />herbicides, fertilizer, and trash. Any toxic waste materials are to be properly disposed of in on approved manor in accordance with local, state, and federal laws. These
<br />materials should be stored in a manner that prevents or minimizes the chance that a spill will reach soils, groundwater or surface water. Contractor shall have absorption spill
<br />around them, and stabilize those areas with permanent seeding and erosion control blankets as necessary.
<br />p g Y
<br />clean-up materials and spill kits available in the storage areas at all times and utilize secondary containment by means of installing on impermeable berm around the
<br />16.
<br />Maintain all erosion control devices until all disturbed areas are permanently stabilized.
<br />A14
<br />NOTATION OF ANY STATE OR FEDERAL WATER QUALITY PERMITS
<br />construction site refueling and maintenance areas, and oil and chemical drums storage areas to prevent stormwater run-on, runoff, and to contain spills. Contractor shall
<br />select and designate on area onsite for these areas and utilize drip pans or absorbent pads during vehicle and equipment maintenance work. Contractor shall inspect these
<br />17.
<br />Notice of Termination (N.O.T.) of "CSGP" shall be submitted to IDEM when construction is completed and
<br />None anticipated
<br />areas daily when in use, and weekly when not in use. Materials stored inside shall be placed in a manner to prevent a spill from migrating outside the confines of the building
<br />vegetative cover has reached greater than 70% for the project.
<br />or into any drain leaving the building and discharging to soils, groundwater or surface water.
<br />A15
<br />IDENTIFICATION AND DELINEATION OF EXISTING VEGETATIVE COVER.
<br />Grass, brush and woodlands. See Sheets 3 and 4.
<br />If a spill does occur, then the spill must be contained immediately utilizing appropriate response techniques including diking and absorbents. Clean up of the spill should occur
<br />as soon as possible once the spill is stabilized and contained. Spills shall be cleaned up using acceptable methods such as, absorbents on impervious surfaces or removal of
<br />contaminated soils. In all cases cleanup standards must adhere to local, state and federal requirements. Failure to clean up any spill is a violation of the Indiana State Spill
<br />SOILS CLASSIFICATION
<br />A16
<br />EXISTING SITE TOPOGRAPHY.• See Sheet 18 for existing contours.
<br />Rule (327 IAC 2-6.1), which is enforced by the Indiana Department of Environmental Management (IDEM). Certain spills must be reported to the local response agency, Local
<br />Emergency Planning Committee and/or IDEM. Initial calls should be made to the 911 system if the spill exceeds reportable quantities or is a threat to public safety. The 911
<br />5
<br />�- '
<br />A17
<br />LOCATIONS WHERE RUNOFF ENTERS THE PROJECT SITE
<br />system will typically notify the City of South Bend Fire Department. IDEM (1-888-233-7745) or the National Response Center (1-800-424-8802) can typically assist with
<br />SOILS INFORMATION IS DEFINED AND SCALED FROM THE UNITED STATES DEPT. OF
<br />AGRICULTURE NRCS WEB SOIL SURVEY.
<br />information on clean up operations or clean up Contractors. The following information will likely need to be provided: time of spill, location of spill, material, source of spill,
<br />See Sheet 18.
<br />approximate volume and length of spillage, weather conditions at time of spill, personnel present at time of spill, and all action taken for post spill cleanup.
<br />«w.s,� CrrA - Coupee silt loam, 0 to 1 percent slopes,
<br />®
<br />A18
<br />LOCATIONS WHERE RUNOFF DISCHARGES FROM THE SITE PRIOR TO CONSTRUCTION
<br />Small spills and leaks of these materials onto non -paved areas shall be shoveled into containers or dumpsters and be properly disposed of in an approved manor in
<br />NTS Soil is well drained, having a depth to water table of more than 80 inches. The
<br />the limiting layer to transmit is high to high (0.60 to
<br />None.
<br />accordance with local and state laws. All spills that occur near on inlet to the stormwater conveyance system must have "curbing" implemented immediately. "Curbing" is the
<br />P y y 9 P Y 9
<br />m capacity of most water moderately
<br />2.00 in/hr)
<br />use of a barrier (absorbent material) which prevents the spill from making contact with the stormwater conveyance system or stormwater runoff. Contractor shall contact a
<br />Waste Recovery Agency immediately for removal of contaminates and coordination of monitoring the site during cleanup until all the hazardous material has been
<br />m Soil Typical Profile
<br />A19
<br />LOCATIONS OF ALL EXISTING STRUCTURES ON THE PROJECT SITE
<br />removed. Contractor shall cooperate with IDEM and St. Joseph Count during and after the spill to insure all required cleanup and filing reports are properly submitted.
<br />P P y g P q P g p P P y
<br />0 to 21 inches: Silt loam
<br />21 to 33 inches: Clay Loam
<br />See Sheet 18 for existing conditions.
<br />� 33 to 52 inches: Stratified loamy sand to sand to coarse sand
<br />The Developer/Owner shall be continually informed of any contamination concerns occurring on the site. The Construction Manager shall keep a list onsite of qualified
<br />52 to 98 inches: Very channery coarse Sand
<br />Contractors for spill remediation. A spill prevention and control plan should be developed and utilized prior to any emergency. All site personnel, including maintenance
<br />A20
<br />EXISTING PERMANENT STORMWATER MANAGEMENT FACILITIES
<br />employees, shall be made aware of this plan and proper spill prevention and remediation techniques. All materials used to absorb spills shall be properly disposed of in
<br />q
<br />TmpB -Tracy sandy loam, 2 to 6 percent slopes
<br />There is an existing stormwater basin on the south side of the property.
<br />an approved manor in accordance with local and state laws. Do not flush spill materials with water unless directed to do so by a governing agency. It is important
<br />Soil is well drained having a depth to water table of more than 80 inches. The
<br />that all manufacturers instructions be followed when using or applying all fertilizers, herbicides, and pesticides.
<br />Y
<br />CrrA capacity of the most limiting layer to transmit water is moderately low to mod high (0.01
<br />to 1.42 in/hr).
<br />A21
<br />LOCATIONS WHERE STORMWATER MAY DIRECTLY DISCHARGE INTO GROUND WATER
<br />Stormwater may direct) discharge into groundwater in the existing detention basin.
<br />y y g g g
<br />B15
<br />MATERIAL HANDLING AND STORAGE PROCEDURES ASSOCIATED WITH CONSTRUCTION ACTIVITY
<br />Soil Typical Profile
<br />0 to 9 inches: Sandy Loam
<br />Appropriate measures must be implemented to manage wastes and unused building materials including, but not limited to, garbage, debris, cleaning wastes, wastewater,
<br />�-
<br />9 to 26 inches: Sandy Loam
<br />A22
<br />PROJECT ACREAGE
<br />concrete or cementious washout water, mortar/masonry products, soil stabilizers, lime stabilization materials, and other substances. Wastes and unused building
<br />26 to 60 inches: Sandy Loam
<br />materials must be managed and disposed of in accordance with applicable statutes and regulations. Proper storage and handling of materials, such as fuels and
<br />60 to 80 inches: Str sand to channery sand to gravelly sand to loamy sand
<br />Project Area & Disturbed Area: 25.51 Acres
<br />hazardous wastes, and spill prevention and clean-up measures must be implemented.
<br />-a: 7mpC2 - Tracy sandy loam, 6 to 12 percent slopes, moderately eroded
<br />A23
<br />EXPECTED ACREAGE OF LAND DISTURBANCE
<br />The concrete washout area is located on Sheet 18. Details and specifications are on Sheet 20. The concrete washout area must have a clearly posted sign.
<br />SOURCE. USDA WEB SOIL SURVEY Soil is well drained having a depth to water table of more than 80 inches. The
<br />capacity of the most limiting layer to transmit water is moderately low to mod high (0.01
<br />Project Area & Disturbed Area: 25.51 Acres
<br />Brick Road to 1.42 in/hr).
<br />ASSESSMENT OF STORM WATER POLLUTION PREVENTION POST CONSTRUCTION COMPONENT (SECTION C)
<br />See Sheet 18 for anticipated boundary of disturbed area.
<br />Soil Typical Profile
<br />0 to 5 inches: Sandy Loam
<br />A24
<br />PROPOSED FINAL TOPOGRAPHY See Sheets 8 for proposed grading.
<br />Cl
<br />DESCRIPTION OF POTENTIAL POLLUTANTS AND THEIR SOURCES ASSOCIATED WITH THE PROPOSED LAND USE
<br />5 to 22 inches: Sandy Loam
<br />22 to 56 inches: Sandy Loam
<br />Expected pollutants are sediment from erosion and wearing of paved surfaces, nutrients from lawn fertilizers, oil and grease from vehicles, trace metals from vehicles, and
<br />P P 9 P 9
<br />56 to 80 inches: Str sand to channery sand to gravelly sand to loamy sand
<br />chemicals from pesticide applications and vehicles.
<br />A25
<br />LOCATIONS AND APPROXIMATE BOUNDARIES OF ALL DISTURBED AREAS: See Sheet 18
<br />TnwA - Troxel Silt loam, 0 to 1 percent slopes
<br />C2
<br />DESCRIPTION OF PROPOSED POST CONSTRUCTION STORM WATER QUALITY MEASURES
<br />Soil is well drained having a depth to water table of more than 80 inches. The
<br />A26
<br />LOCATIONS SIZES AND DIMENSIONS OF ALL STORMWATER DRAINAGE SYSTEMS
<br />Proposed post construction storm water quality measures for this site include maintaining the established vegetative ground cover for reducing sheet flow velocity and for aiding
<br />capacity of the most limiting layer to transmit water is moderate) high to high (0.60 to
<br />p y g y y 9 g (
<br />infiltration to control the transfer of pollutants. These vegetated areas must be maintained. They shall be monitored regularly and repaired and cleaned as outlined in the
<br />2.00 in/hr).
<br />See Sheet 8 for grading. See Sheet 8 for storm sewer.
<br />attached "Post Construction Maintenance Guidelines" also included on Sheet 8. All storm water infrastructure shall be maintained according to manufacturing recommendations and
<br />must comply with the St. Joseph County ordinances. If any additional impervious areas or storm water measures including basins, swales or storm sewers are proposed to be
<br />Soil Twical Profile
<br />A27
<br />LOCATIONS WHERE STORMWATER & NON-STORMWATER LEAVES SITE. See Sheet 18
<br />added to the site that have not been included in this Ian set, the Owner shall prepare additional construction and storm water pollution prevention plans as required b local
<br />p p p p p p q y
<br />0 to 50 inches: Silt Loam
<br />50 to 70 inches: Clay Loam
<br />and state regulations for submittal and approval by the St. Joseph County prior to commencing construction.
<br />70 to 91 inches: Sandy Loam
<br />A28
<br />LOCATIONS OF SITE IMPROVEMENTS. See Sheets 8-15
<br />C3
<br />PLAN DETAILS OF EACH STORM WATER QUALITY MEASURE. Post construction storm water measures for this specific project include maintaining the vegetative cover as outlined in
<br />the attached "Post Construction Maintenance Guidelines" also included on Sheet 8. No details are required for this maintenance. If repair of the ground cover is required,
<br />A29
<br />LOCATIONS OF PROPOSED SOIL STOCKPILES, BORROW AND/OR DISPOSAL AREAS
<br />refer
<br />to the seeding and mulching specifications in this plan set to re-establish the ground cover. All storm water infrastructure shall be maintained according to manufacturing
<br />recommendations and must comply with the St. Joseph County ordinances. If any additional impervious areas or storm water measures including basins, swales or storm sewers
<br />See Sheet 18. Plan shows stockpile locations. The referenced stockpile detail shows are proposed to be added to the site that have not been included in this plan set, the Owner shall prepare additional construction and storm water pollution prevention plans as
<br />silt fence around the stockpiles. required by local and state regulations and drainage calculations in accordance with the St. Joseph County Ordinance for submittal and approval by St. Joseph County prior
<br />to commencing construction.
<br />A30 CONSTRUCTION SUPPORT ACTIVITIES: See Sheet 18. C4 SEQUENCE DESCRIBING STORM WATER QUALITY MEASURE IMPLEMENTATION
<br />Following construction, all erosion control measures shall be inspected and maintained until all permanent measures and vegetation have been established and construction,
<br />A31 LOCATIONS OF PLANNED IN -STREAM ACTIVITIES. N/A including landscaping, is complete. Individual erosion control measures may be removed, following permanent inlet protection, seeding, and after sufficient vegetation has been
<br />established in on area to prevent silt and soil erosion into the storm sewer system.
<br />C5 MAINTENANCE GUIDELINES FOR PROPOSED POST CONSTRUCTION STORM WATER QUALITY MEASURES
<br />See the attached "Post Construction Maintenance Guidelines" also included on Sheet a
<br />C6 ENTITY RESPONSIBLE FOR OPERATION AND MAINTENANCE OF THE POST CONSTRUCTION STORMWATER MEASURES
<br />Inspection and maintenance of all common areas, landscape areas, and infrastructure on the property is the responsibility of the developer/property owner.
<br />GENERAL CONSTRUCTION ACTIVITY SCHEDULE
<br />Construction Activity
<br />Month 1-3
<br />Month 4
<br />Month 5
<br />Month 6
<br />1
<br />Temporary Construction Entrance
<br />2
<br />Silt Fence Installed
<br />3
<br />Clearing and Stripping Activities
<br />4
<br />Rough Grading & Stockpile / Contain Topsoil
<br />5
<br />Inlet / Swale Protection + Temporary Seeding
<br />6
<br />Final Grading
<br />7
<br />Permanent Erosion Control Measures
<br />8
<br />Erosion / Sediment Maintenance
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<br />DRAWN BY:
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<br />DESIGNED BY:
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<br />PM REVIEW:
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<br />QA/QC REVIEW:
<br />DATE:
<br />2-21-2024
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<br />\STER.�O ,
<br />:No. PE19900163i _
<br />° STATE OF
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<br />SIGNATURE:
<br />DATE:
<br />3-4-2024
<br />SCALE:
<br />HORZ: AS SHOWN
<br />VERT:
<br />ACI JOB #
<br />23-1875
<br />SHEET NO.
<br />22 of 22
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