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REVITALIZE WATER DISTRIBUTION SYSTEM 94-0466
SECTION 01356A
STORM WATER POLLUTION PREVENTION MEASURES
PART 1 GENERAL
1.1 REFERENCES
The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
ASTM D 4439 Standard Terminology for Geosynthetics
ASTM D 4491 Water Permeability of Geotextiles by Permittivity
ASTM D 4533 Trapezoid Tearing Strength of Geotextiles
ASTM D 4632 Grab Breaking Load and Elongation of Geotextiles
ASTM D 4751 Determining Apparent Opening Size of a Geotextile
ASTM D 4873 Identification, Storage, and Handling of Geosynthetic Rolls
1.2 GENERAL
The Contractor shall implement the storm water pollution prevention measures specified in this section in a manner which will meet the requirements of Section 01355A ENVIRONMENTAL PROTECTION, and the requirements of the National Pollution Discharge Elimination System (NPDES) permit attached to that Section.
1.3 SUBMITTALS
Government approval is required for submittals with a "G" designation; submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01330 SUBMITTAL PROCEDURES:
SD-07 Certificates
Mill Certificate or Affidavit; G, Certificate attesting that the Contractor has met all specified requirements.
1.4 EROSION AND SEDIMENT CONTROLS
The controls and measures required by the Contractor are described below, and further described in the Stormwater Pollution Prevention Plan.
1.4.1 Disturbance
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http://65.204.17.188/projnet/cms/public.html
Soil disturbance should be kept to a minimum at all times during construction. Equipment bucket widths should not be larger than is required to dig a sufficient trench accordance with the contract documents.
Any material which will not be used as backfill shall be removed from the Base as it is excavated. As soon as possible after trench excavation and backfill, rough grading of the disturbed soil shall be performed and the Contractor shall seed and mulch the area of disturbance to stabilize the soils.
1.4.1.2 Temporary Restoration
The Contractor shall rough grade and seed areas after completing a maximum of 1000 linear feet of installation. Under no conditions with the Contractor be allowed to have excess of 1000 linear feet of excavated area which is not rough graded and seeded.
1.4.2 Stabilization Practices
The stabilization practices to be implemented shall include temporary seeding, mulching, sod stabilization, erosion control matts, protection of trees, etc. On his daily Report, the Contractor shall record the dates when the major grading activities occur, (e.g., clearing excavation, and grading); when construction activities temporarily or permanently cease on a portion of the site; and when stabilization practices are initiated. Except as provided in paragraphs UNSUITABLE CONDITIONS and NO ACTIVITY FOR LESS THAN 21 DAYS, stabilization practices shall be initiated as soon as practicable, but no more than 14 days, in any portion of the site where construction activities have temporarily or permanently ceased.
1.4.2.1 Unsuitable Conditions
Where the initiation of stabilization measures by the fourteenth day after construction activity temporarily or permanently ceases is precluded by unsuitable conditions caused by the weather, stabilization practices shall be initiated as soon as practicable after conditions become suitable.
1.4.2.2 No Activity for Less Than 21 Days
Where construction activity will resume on a portion of the site within 21 days from when activities ceased (e.g., the total time period that construction activity is temporarily ceased is less than 21 days), then stabilization practices do not have to be initiated on that portion of the site by the fourteenth day after construction activity temporarily ceased.
1.4.2.3 Structural Practices
Structural practices shall be implemented to divert flows from exposed soils, temporarily store flows, or otherwise limit runoff and the discharge of pollutants from exposed areas of the site. Structural practices shall be implemented in a timely manner during the construction process to minimize erosion and sediment runoff. Structural practices shall include the following devices. Location and details of installation and construction are shown on the drawings.
1.4.2.4 Silt Fences
The Contractor shall provide silt fences as a temporary structural practice to minimize erosion and sediment runoff. Silt fences shall be properly installed to effectively retain sediment immediately after completing each phase of work where erosion would occur in the form of sheet and rill erosion (e.g.
clearing and grubbing, excavation, embankment, and grading). Silt fences shall be installed in the locations indicated on the drawings. Final removal of silt fence barriers shall be upon approval by the Contracting Officer.
1.4.2.5 Straw Bales
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The Contractor shall provide bales of straw as a temporary structural practice to minimize erosion and sediment runoff. Bales shall be properly placed to effectively retain sediment immediately after completing each phase of work (e.g., clearing and grubbing, excavation, embankment, and grading) in each independent runoff area (e.g., after clearing and grubbing in a area between a ridge and drain, bales shall be placed as work progresses, bales shall be removed/replaced/relocated as needed for work to progress in the drainage area). Areas where straw bales are to be used are shown on the drawings. Final removal of straw bale barriers shall be upon approval by the Contracting Officer.
Rows of bales of straw shall be provided as follows:
a. Along the downhill perimeter edge of all areas disturbed.
b. Along the top of the slope or top bank of drainage ditches, channels, swales, etc. that traverse disturbed areas.
c. Along the toe of all cut slopes and fill slopes of the construction areas.
d. Perpendicular to the flow in the bottom of existing drainage ditches, channels, swales, etc. that traverse disturbed areas or carry runoff from disturbed areas. Rows shall be spaced a maximum of 200 feet apart.
e. Perpendicular to the flow in the bottom of new drainage ditches, channels, and swales. Rows shall be spaced a maximum of 200 feet apart.
f. At the entrance to culverts that receive runoff from disturbed areas.
1.43.3 STORM DRAIN INLET PROTECTION
Whenever the trench excavation lies within ten (10) feet of the storm sewer drain inlet, Storm drain Inlet protection should be used. The protection shall include a filter fabric material and be constructed and approved in advance of the trench excavation.
PART 2 PRODUCTS
2.1 COMPONENTS FOR SILT FENCES
2.1.1 Filter Fabric
The geotextile shall comply with the requirements of ASTM D 4439, and shall consist of polymeric filaments which are formed into a stable network such that filaments retain their relative positions. The filament shall consist of a long-chain synthetic polymer composed of at least 85 percent by weight of ester, propylene, or amide, and shall contain stabilizers and/or inhibitors added to the base plastic to make the filaments resistance to deterioration due to ultraviolet and heat exposure. Synthetic filter fabric shall contain ultraviolet ray inhibitors and stabilizers to provide a minimum of six months of expected usable construction life at a temperature range of -18 to 49 degrees C. The filter fabric shall meet the following requirements:
FILTER FABRIC FOR SILT SCREEN FENCE
PHYSICAL PROPERTY TEST PROCEDURE STRENGTH REQUIREMENT
Grab Tensile ASTM D 4632 100 lbs. min.
Elongation (%) 30 % max.
Trapezoid Tear ASTM D 4533 55 lbs. min.
Permittivity ASTM D 4491 0.2 sec-1
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AOS (U.S. Std Sieve) ASTM D 4751 20-100
2.1.2 Silt Fence Stakes and Posts
The Contractor may use either wooden stakes or steel posts for fence construction. Wooden stakes utilized for silt fence construction, shall have a minimum cross section of 2 inches by 2 inches when oak is used and 4 inches by 14 inches when pine is used, and shall have a minimum length of 5 feet.
Steel posts (standard "U" or "T" section) utilized for silt fence construction, shall have a minimum mass of 1 33 pounds per lineal foot and a minimum length of 5 feet
2.1.3 Mill Certificate or Affidavit
A mill certificate or affidavit shall be provided attesting that the fabric and factory seams meet chemical, physical, and manufacturing requirements specified above. The mill certificate or affidavit shall specify the actual Minimum Average Roll Values and shall identify the fabric supplied by roll identification numbers. The Contractor shall submit a mill certificate or affidavit signed by a legally authorized official from the company manufacturing the filter fabric.
2.1.4 Identification Storage and Handling
Filter fabric shall be identified, stored and handled in accordance with ASTM D 4873.
2.2 COMPONENTS FOR STRAW BALES
The straw in the bales shall be stalks from oats, wheat, rye, barley, rice, or from grasses such as byhalia, bermuda, etc., furnished in air dry condition. The bales shall have a standard cross section of 14 inches by 18 inches. All bales shall be either wire-bound or string-tied. The Contractor may use either wooden stakes or steel posts to secure the straw bales to the ground. Wooden stakes utilized for this purpose, shall have a minimum dimensions of 2 inches by 2 inches in cross section and shall have a minimum length of 3 feet. Steel posts (standard "U" or "T" section) utilized for securing straw bales, shall have a minimum mass of 1.33 pounds per lineal foot and a minimum length of 5 feet.
PART 3 EXECUTION
3.1 INSTALLATION OF SILT FENCES
Silt fences shall extend a minimum of 16 inches above the ground surface and shall not exceed 34 inches above the ground surface. Filter fabric shall be from a continuous roll cut to the length of the barrier to avoid the use of joints. When joints are unavoidable, filter fabric shall be spliced together at a support post, with a minimum 6 inch overlap, and securely sealed. A trench shall be excavated approximately 4 inches wide and 14 inches deep on the upslope side of the location of the silt fence.
The 4 inch by 4 inch trench shall be backfilled and the soil compacted over the filter fabric. Silt fences shall be removed upon approval by the Contracting Officer.
3.2 INSTALLATION OF STRAW BALES
Straw bales shall be placed in a single row, lengthwise on the contour, with ends of adjacent bales tightly abutting one another. Straw bales shall be installed so that bindings are oriented around the sides rather than along the tops and bottoms of the bales in order to prevent deterioration of the bindings. The barrier shall be entrenched and backfilled. A trench shall be excavated the width of a bale and the length of the proposed barrier to a minimum depth of 4 inch. After the bales are staked and chinked (gaps filled by wedging with straw), the excavated soil shall be backfilled against the barrier. Backfill soil shall conform to the ground level on the downhill side and shall be built up to 4 inch against the uphill side of the barrier. Loose straw shall be scattered over the area immediately uphill from a straw bale barrier to increase barrier efficiency. Each bale shall be securely anchored by
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at least two stakes driven through the bale. The first stake or steel post in each bale shall be driven toward the previously laid bale to force the bales together. Stakes or steel pickets shall be driven a minimum 18 inches deep into the ground to securely anchor the bales.
3.3 MAINTENANCE
The Contractor shall maintain the temporary and permanent vegetation, erosion and sediment control measures, and other protective measures in good and effective operating condition by performing routine inspections to determine condition and effectiveness, by restoration of destroyed vegetative cover, and by repair of erosion and sediment control measures and other protective measures. The following procedures shall be followed to maintain the protective measures.
3.3.1 Silt Fence Maintenance
Silt fences shall be inspected in accordance with paragraph INSPECTIONS. Any required repairs shall be made promptly. Close attention shall be paid to the repair of damaged silt fence resulting from end runs and undercutting. Should the fabric on a silt fence decompose or become ineffective, and the barrier is still necessary, the fabric shall be replaced promptly. Sediment deposits shall be removed when deposits reach one-third of the height of the barrier. When a silt fence is no longer required, it shall be removed. The immediate area occupied by the fence and any sediment deposits shall be shaped to an acceptable grade. The areas disturbed by this shaping shall be seeded in accordance with Section 02921A – Seeding.
3.3.2 Straw Bale Maintenance
Straw bale barriers shall be inspected in accordance with paragraph INSPECTIONS. Close attention shall be paid to the repair of damaged bales, end runs and undercutting beneath bales. Necessary repairs to barriers or replacement of bales shall be accomplished promptly. Sediment deposits shall be removed when deposits reach one-half of the height of the barrier. Bale rows used to retain sediment shall be turned uphill at each end of each row. When a straw bale barrier is no longer required, it shall be removed. The immediate area occupied by the bales and any sediment deposits shall be shaped to an acceptable grade. The areas disturbed by this shaping shall be seeded in accordance with Section 02922A Sodding.
3.3.3 Diversion Dike Maintenance
Diversion dikes shall be inspected in accordance with paragraph INSPECTIONS. Close attention shall be paid to the repair of damaged diversion dikes and necessary repairs shall be accomplished promptly. When diversion dikes are no longer required, they shall be shaped to an acceptable grade.
The areas disturbed by this shaping shall be seeded in accordance with Section 02921A –Seeding.
3.4 INSPECTIONS
3.4.1 General
The Contractor shall inspect disturbed areas of the construction site, areas used for storage of materials that are exposed to precipitation that have not been finally stabilized, stabilization practices, structural practices, other controls, and area where vehicles exit the site at least once every seven (7) calendar days and within 24 hours of the end of any storm that produces 0.5 inchs or more rainfall at the site. Where sites have been finally stabilized, such inspection shall be conducted at least once every month.
3.4.2 Inspections Details
Disturbed areas and areas used for material storage that are exposed to precipitation shall be inspected for evidence of, or the potential for, pollutants entering the drainage system. Erosion and
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sediment control measures identified in the Storm Water Pollution Prevention Plan shall be observed to ensure that they are operating correctly. Discharge locations or points shall be inspected to ascertain whether erosion control measures are effective in preventing significant impacts to receiving waters.
Locations where vehicles exit the site shall be inspected for evidence of offsite sediment tracking.
3.4.3 Inspection Reports
For each inspection conducted, the Contractor shall prepare a report summarizing the scope of the inspection, name(s) and qualifications of personnel making the inspection, the date(s) of the inspection, major observations relating to the implementation of the Storm Water Pollution Prevention Plan, maintenance performed, and actions taken. The report shall be furnished to the Contracting Officer within 24 hours of the inspection as a part of the Contractor's daily REPORT. A copy of the inspection report shall be maintained on the job site.
3.4.4 Inspection Report and Certification Form for Erosion and Sediment Controls
In accordance with NYSDEC and NPDES quidelines, the Contractor shall provide weekly written report of all Erosion and sediment control activities to the Base Engineer. A certification form for Erosion and Sediment Control measures shall be developed and kept current. This certificate shall be completed at a minimum of seven (7) days or within 24 hours of a rainfall event of 0.5 inches or more.
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NIAGARA FALLS AIR RESERVE STATION
NIAGARA COUNTY, NEW YORK
WATER DISTRIBUTION SYSTEM
REVITALIZATION
STORM WATER POLLUTION PREVENTION PLAN
February 2004
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1.0 Introduction
The Niagara Falls Air Reserve Station is located within the Town’s of Niagara and Wheatfield in Niagara County New York. The Base is the home to 914th AirLift Wing and the 107th Air National Guard. The Air Reserve Command (ARC) owns and operates a water transmission and distribution system, which provides domestic water service and fire flows to about fifty-five buildings on base as well as the supply to the Air National Guard (ANG) Distribution System. The water system is approximately fifty years old. Due to the age of the facilities and the increasing failures of the system, Base Engineering has retained the services of Urban Engineers of New York, P.C. and Trautman Associates to study and design a Water Distribution System Revitalization.
1.1 Stormwater Management Objectives
The objectives of this Stormwater Pollution Prevention Plan (SWPPP) are identified as follows:
• Provide a Sediment and Erosion Control Plan to minimize the impact of construction activities on the existing downstream stormwater quality,
• Emphasize construction practices which focus on source control of stormwater pollution,
• Implement Best Management Practices (BMP’s) to protect existing streams running within and downstream of the air base,
• Provide maintenance of stormwater controls during and after construction completion.
This plan has been developed in accordance with Air Force Instruction (AFI) 32-7041, the New York State Standards and Specifications for Erosion and Sediment Control and the New York State Stormwater Management Design Manual (NYSSMDM).
1.2 Pre-Development Conditions
A site location map based USGS quad map information is included as Figure 1. The existing conditions of the project area includes a well developed Military Base with approximately 55 buildings, Runway and taxiway facilities, Roads, and related infrastructure (water, sanitary sewer, storm, communications, etc.)
2.0 Proposed Project
The proposed project includes the replacement of the entire ARS water distribution system including watermain, hydrants, valves, services and related construction items.
The project will be located throughout the base and continue southerly to building 729
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which is the primary feed from the Niagara Falls water supply. A map identifying the work areas is attached as Figure 1.
The estimated length of new watermain to be constructed is summarized as follows:
Diameter Length (Feet)
12” 9,800 10” 7,900 8” 9,900 6” 700 Sub-Total 28,300 Services:
4” 470 3” 700 2.5” 170 2” 960 1.5” 650 1” 1,500 ¾” 150 Sub-Total 4,600
TOTAL 32,900
Additionally, an estimated 59 hydrants will be removed and replaced and 160 new main valves and service valves will be constructed. All ground disturbance will be repaired in-kind with the pre-construction conditions. A detail of the typical trench excavation is attached as Figure 2.
The total disturbance associated with the project will be limited to the excavated areas and immediate surroundings. For the purpose of this plan, we estimate the disturbed corridor to be a 10-foot wide strip along the main line corridor and a five-foot wide strip along the service installations. Therefore, the total disturbed area is estimated to be 7.1 acres. The actual area of excavation is approximately 2.3 acres.
3.0 Soils
A review of the Niagara County Soils Survey, as assembled by the United States Department of Agriculture, Soils Conservation Service shows that the predominate soil type on the base is Odessa silty clay loam. This soil type tends to have a high clay content limiting permeability. The soil tends to be hard when dry and sticky when wet.
Erosion and Sediment Control measures should be designed to protect against runoff with low percolation and good housekeeping measures should be enforced especially when the soil is wet.
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4.0 Drainage Patterns
Currently the base utilizes a storm sewer network that utilizes both piping and open channels to collect storm water from the base and discharge to Cayuga Creek, which runs along the southern boundary of the base. The proposed project will not change any grades or drainage patterns. The project will not increase the total impervious areas on the base.
In accordance with the NYSSMDM, the Unified Stormwater Sizing Criteria is described as follows:
Water Quality: The Water Quality Volume is directly related to the amount of impervious cover created at a site. Since this project will not increase the amount of impervious cover, no Water Quality controls will be required.
Channel Protection, Overbank Flood and Extreme Storm: This project will not change the existing grades and will not increase the amount of impervious area. As such, the pre-development and post-development runoff volumes will be equal under the 1-year, 24-hour storm event, 10-year storm event and 100-year storm event. As a result, no new water quantity controls will be required to protect against these conditions.
Generally, the downstream receiving waters will not see changes in water quality or quantity as a result of this project.
As per the New York Department of Environmental Conservation, the section of Cayuga Creek in the vicinity of the base is class C unprotected stream.
5.0 Erosion and Sediment Control
E&S controls include but are not limited to: Soil stabilization, vegetated buffers, storm drain inlet protection, stream diversion, good housekeeping, dust control, spill prevention and control. Best Management Practices (BMP) fact sheets for these measures as prepared by the United States Environmental Protection Agency (EPA) are included in Appendix A. (Note: Refer to United States Environmental Protection Agency website for Construction Site Storm Water Runoff Control Data sheets.)
• Soil disturbance should be kept to a minimum at all times during construction.
Equipment bucket widths should not be larger than is required to dig a sufficient trench in accordance with the contract documents. Any material to be used as backfill should be sidecast as close as practicable to the trench. Excavated material which will not be used as backfill shall be removed from the base as it is excavated.
• As soon as possible after trench excavation and backfill, rough grading of the disturbed soil shall be performed and the contractor shall seed and mulch the area of disturbance to stabilize the soils. The contract documents will require rough grading and seeding throughout construction without allowing any more than 1,000
SECTION – 01356A - 10
linear feet of trench to be disturbed prior to grading/seeding. Appendix A includes EPA guidelines for the BMP’s of Seeding and Mulching.
• Existing vegetated areas between the proposed trench and existing stormwater infrastructure shall be maintained to act as vegetated buffers. EPA guidelines for use of vegetated buffers as a BMP are included in Appendix A.
• Wherever the trench excavation lies within 10 feet of a storm sewer drain inlet, Storm Drain Inlet Protection should be used. The protection shall include a filter fabric material and be constructed and approved in advance of the trench excavation. An EPA guideline regarding the construction of the devices is included within Appendix A.
• Trench dewatering (if required) typically involves the removal of water with high sediments. None of this water should be directly discharged into storm sewers. The use of filter strips or sediment traps will be required for trench dewatering.
• Watermain disinfection involves the use of heavily chlorinated water. Chlorinated water shall not be discharged directly into the storm sewer under any condition.
Wastewater from disinfection shall be neutralized and discarded into the storm or sanitary sewer in accordance with AWWA standards for watermain disinfection.
• The proposed construction involves the crossing of Cayuga Creek once and tributaries to Cayuga Creek three times. During construction of these crossings, the Contractor will be responsible to provide a stream diversion control (cofferdam, sluice pipe, etc.) until the streambed is stabilized. A sample sluice pipe stream diversion detail is shown on Figure 3 following this page.
• Standard “Good Housekeeping” practices should be used to provide waste collection areas with covered receptacles, control site dust concerns and minimize chemical and fuel spillage potential. Proper waste management practices will prevent packaging, labels and other trash from ending up in the receiving waters.
Responsible practices for minimizing and control of fuel/chemical spills will also protect the receiving waters. The EPA BMP guidelines for Construction site waste management and spill prevention and control should be followed at all times and are further described in Appendix A.
• The creation of dust not only presents a nuisance condition, but also contributes to sedimentation and water pollution as well as posing risks to environmental and human health. The contractor should make every effort to control dust by performing the following: Strict adherence to soil stabilization measures, minimize use of equipment and trucking operations in disturbed areas, use sprinkling/irrigation to reduce amount of dust, and keep driving areas as clean as possible. The EPA BMP description is included in Appendix A.
SECTION – 01356A - 11
6.0 Water Quality and Water Quantity Control
Permanent storm water Quality and quantity controls are not required as part of this project.
7.0 Schedule
Prior to construction, the contractor shall provide a schedule of activities required to meet this SWPPP to the base engineer. Measures required prior to trench excavation, such as inlet protection and creek diversions should be installed 48 hours prior to construction in that vicinity. Other items such as soil stabilization, vegetated buffers, trench dewatering, good housekeeping and dust control should be exercised continuously throughout construction activities.
The contractor shall provide a weekly written report of all Erosion and Sediment control activities to the Base Engineer. A certification form for Erosion and Sediment Control measures is included as Appendix B. This certification shall be completed at a minimum of seven days or within 24 hours of a rainfall event of 0.5 inches or more.
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APPENDIX A
Refer to the United States Environmental Protection Agency for Construction Site Storm Water Runoff
Control data sheets
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SECTION – 01356A - 15
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APPENDIX B
Refer to attached Sample Inspection Report Form
SWP3-E&S #3
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SAMPLE INSPECTION REPORT FORM (Project Name)
EROSION AND SEDIMENTATION (E&S) CONTROL PLAN INSPECTION AND MAINTENANCE
REPORT FORM
To be completed after every seven (7) days and within 24 hours of a rainfall event of 0.5 inches or more.
Inspector: ____________________ Date: ________________
Inspector’s Qualifications: _____________________________________________________
Days since last rainfall: _______________ Amount of last rainfall: ___________
INSPECTION OF DISTURBED AREAS AND CONDITION OF CONTROL MEASURES
Disturbance Location(s)
Each Area
Date of Construction Activity
Date when Construction Ceased
Are Control Practices in Place?
(Yes/No)
Condition of the Control Measures
Are Controls Working?
(Yes/No)
Is the area stabilized? (Yes/No) (Temporary/Permanent) Date of Stabilization ________
Maintenance Required:
To be performed by: _________________________ On or before: _______________
SECTION – 01356A - 18
SAMPLE INSPECTION FORM (Project Name) continued
INSPECTION OF OUTFALLS, DRAINAGE SYSTEM, AND RECEIVING WATERS
Appearance of Receiving Water
Appearance of the Outfall Discharge to the Receiving Water
Appearance of Drainage System Outfall After Controls
Are Pollutants Entering the Drainage System? (Yes/No)
Measures taken to correct deficiencies:
Other Controls
Are Materials Stored on Site? (Yes/No)
Are Materials Kept in a Dry Covered Area?
(Yes/No)
Are Vehicles Leaking?
(Yes/No)
Is Other Equipment Leaking? (Yes/No)
Are Vehicles Inspected for Offsite Sediment Tracking? (Yes/No)
Is Soil and Mud Transported from the Site onto Roads? (Yes/No)
Measures taken to correct deficiencies:
Changes required to the E&S Plan:
“I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violation.”
Signature: ______________________________ Date: _________________
------END OF SECTION------
SECTION – 01356A - 19
| PART 1 GENERAL |
| 1.1 REFERENCES |
| 1.2 GENERAL |
| 1.3 SUBMITTALS |
| 1.4 EROSION AND SEDIMENT CONTROLS |
| Disturbance |
| 1.4.2 Stabilization Practices |
| 1.4.2.1 Unsuitable Conditions |
| 1.4.2.2 No Activity for Less Than 21 Days |
| 1.4.2.3 Structural Practices |
| 1.4.2.4 Silt Fences |
| 1.4.2.5 Straw Bales |
| PART 2 PRODUCTS |
| 2.1 COMPONENTS FOR SILT FENCES |
| 2.1.1 Filter Fabric |
| 2.1.2 Silt Fence Stakes and Posts |
| 2.1.3 Mill Certificate or Affidavit |
| 2.1.4 Identification Storage and Handling |
2.2 COMPONENTS FOR STRAW BALES
| PART 3 EXECUTION |
| 3.1 INSTALLATION OF SILT FENCES |
| 3.2 INSTALLATION OF STRAW BALES |
| 3.3 MAINTENANCE |
| 3.3.1 Silt Fence Maintenance |
| 3.3.2 Straw Bale Maintenance |
| 3.3.3 Diversion Dike Maintenance |
| 3.4 INSPECTIONS |
| 3.4.1 General |
| 3.4.2 Inspections Details |
| 3.4.3 Inspection Reports |
| 3.4.4 Inspection Report and Certification Form for Erosion |
| NIAGARA FALLS AIR RESERVE STATION |
| NIAGARA COUNTY, NEW YORK |
| STORM WATER POLLUTION PREVENTION PLAN |
| February 2004 |
| This plan has been developed in accordance with Air Force In |
| EROSION AND SEDIMENTATION (E&S) CONTROL PLAN INSPECTION AND |
| INSPECTION OF DISTURBED AREAS AND CONDITION OF CONTROL MEASU |
| INSPECTION OF OUTFALLS, DRAINAGE SYSTEM, AND RECEIVING WATER |
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