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HomeMy WebLinkAboutpg. 06 Erosion Control Plan5/3 Bank Canopy Addition 11590 North Meridian Street Indianapolis, Indiana oilIilt ov 1 STF� No. 990 t OF P ell June 22nd, 2004 Approved By: DSB Drawn By: MIS Date of Last Field Work: Date Plotted: Erosion Control Plan Benchmark Land Services, Inc. 9855 Crosspoint Blvd., Suite 110 Indianapolis, IN 46256 Pb. 317- 841 -1506 Fax 317- 841 -1507 WNW. benchmarkls.com Notes: 1. Do not disturb vegetation or remove trees except when necessary for grading purposes. The contractor shall install adequate tree protection measures prior to any grading activities. 2. Strip topsoil from all cut and fill areas to a depth of 6 min. Stockpile and redistribute over final graded areas where indicated on the plans while maintaining erosion control measures indicated on the plans and required by all city, state, and federal authorities. 3. The contractor shall seed and mulch all distributed areas. 4. Clean all silt barriers when they are approximately 50% filled with sediment or as directed by the owner or his representative. 5. Remove sediment from all drainage structures before acceptance by the utility regulation or municipal authority. 6. Temporary erosion and water pollution control devices shall be installed prior to construction begins and remain in place and function appropriately until construction is complete and accepted by the owner or his representative and all regulating agencies and municipal authorities. 7. Replacement of and /or additional erosion control measures may be required as determined by the owner's representative. 8. The contractor shall comply with all relative provisions of the Manual of Accident Prevention in Construction issued by the AGC of America and the Safety and Health Regulations of Construction issued by the U.S. Dept. of Labor. 9. The contractor shall take special care to compact fill sufficiently around and over all pipes, structures, valve stems, etc., inside proposed paved and building areas. The contractor at no additional cost to the owner shall restore any settlement during the warranty period. 10. The contractor shall leave graded areas in a free, draining condition. 11. Maximum cut or fill slopes shall be as directed on the plans or a maximum of 3:1. 12. Construction access route to and from the site shall be based with stone as indicated. 13. All construction operations dealing with earthwork and foundations for building structures or infrastructure elements shall be observed by qualified personnel employed by the contractor or designated by the owner. 14. Positive drainage shall be established as the first order of work and shall be maintained at all times. Soil softened by perched water in foundation and pavement areas must be undercut and replaced with compacted fill materials. Groundwater infiltration into excavations shall be removed using gravity drainage or sump —pump techniques. 15. If any springs or high groundwaters are exposed during construction, permanent aggregate drains may be necessary. Said drains shall be specified by owner's representative. 16. In no case shall slope height, slope inclination, or excavation depth, including trench drain construction, exceed those specified in local, state, and federal regulations. Specifically, the current OSHA Health and Safety Standards for Excavations (29 CFR Part 1926) shall be followed. Rev# Date Remarks Project 3 -337 [5/3 Bank] Sheet No. 6of8 ENVIRONMENTAL CONSTRUCTION SEQUENCE APPROX. APPROX. ACTIVITY START DATE COMPLETE DATE ASSUME START DATE 10/15/04 SITE EXCAVATION +30 DAYS +60 DAYS UNDERGROUND UTILITIES +30 DAYS +60 DAYS STREET CONSTRUCTION +30 DAYS +60 DAYS FINAL GRADING +60 DAYS +120 DAYS EROSION CONTROL PLAN +0 DAYS +120 DAYS IMPLEMENTATION SCHEDULE FOR EROSION CONTROL PRACTICES 1. CONSTRUCTION OF TEMPORARY CONSTRUCTION ENTRANCE 2. SILT FENCE PLACED PRIOR TO ANY SITE EXCAVATION 3. SEDIMENT AND SILT TRAPS AROUND ALL STORM WATER INFLOW POINTS 4. START GRADING 5. TEMPORARY SEED 6. START PARKING AREA 7. START BUILDING 8. PERIODIC CHECKS OF EROSION CONTROL DEVICES AND REPAIR AS NEEDED. SF Silt Fence Erosion Control Details (See Sheet 8): SC Stable Construction Entrance PS Permanent Seeding IN FEET inch 20 ft. GRAPHIC S C ALE EXISTING BUILDING 11590 NORTH MERIDIAN SIFT FENCE FOR7PAVEMENT IS )14 PLACE