MILL STREET STORM DRAIN GENERAL NOTES

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2 4. 4" LOAM SHALL BE PLACED ON ALL DISTURBED AREAS EXCEPT SLOPES BEHIND GUARDRAILS OR UNLESS OTHERWISE SPECIFIED ON THE PLANS. ACTUAL PLACEMENT OF THE LOAM SHALL BE AS DESIGNATED BY THE ENGINEER. 5. ALL SLOPES SHALL BE SEEDED WITH SEEDING METHOD NO. 1, 2 OR 3. UNLESS OTHERWISE NOTED, SEEDING METHOD NO. 1 SHALL BE UTILIZED ON ALL LAWNS AND DEVELOPED AREAS; SEEDING METHOD NO. 2 SHALL BE UTILIZED AT ALL STREAM LOCATIONS, 100 FEET RIGHT AND LEFT OF THE STREAM AND ON ALL NON-GUARDRAIL FORESLOPES, FROM THE EDGE OF SHOULDER TO THE DITCH LINE OR TOE OF FILL; SEEDING METHOD NO. 3 SHALL BE UTILIZED ON ALL GUARDRAIL FRONT SLOPES. 6. MULCH SHALL BE APPLIED IN AREAS SEEDED BY SEEDING METHODS NO. 1, 2 AND 3 EXCEPT WHERE EROSION CONTROL BLANKET IS SPECIFIED. 7. ALL EROSION AND SEDIMENTATION CONTROL ITEMS SHALL BE INSTALLED IN ACCORDANCE WITH THE MAINE DEPARTMENT OF TRANSPORTATION BEST MANAGEMENT PRACTICES AND SEDIMENATION CONTROL. 8. ALL EROSION CONTROL GEOTEXTILE SHALL BE CLASS A WOVEN OR UNWOVEN FOR RIPRAP DITCHES. NO CLASS B GEOTEXTILE SHALL BE USED. JJE DRB/JJE JJE 3. THE CONTRACTOR SHALL PROPOSE TYPE AND LOCATION OF DEVICES FOR APPROVAL BY THE ENGINEER. ADDITIONAL MEASURES MAY BE PROPOSED BY THE CONTRACTOR DUE TO SITE OR WEATHER CONDITIONS. THE ENGINEER MAY DIRECT THE CONTRACTOR TO IMPLEMENT ADDITIONAL MEASURES. GENERAL NOTES 2. CONTRACTOR SHALL CONTROL DUST WITH APPROPRIATE DUST CONTROL MEASURES. CONTRACTOR SHALL NOT TRACK OR SPILL EARTH AND DEBRIS ON PUBLIC STREETS OUTSIDE THE PROJECT AREA. STREETS OPENED TO THE PUBLIC SHALL BE KEPT SWEPT AND FREE OF DEBRIS. J:\PROJECTS 2013\Mill Street Stormwater\Mill Street Storm Drain and Sidewalk-Cover-Notes.dwg, 3/22/2013 2:18:26 PM, DWG To PDF.pc3 1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE PREVENTION OF EROSION. ALL DISTURBED EARTH SURFACES ARE TO BE STABILIZED IN THE SHORTEST PRACTICAL TIME AND TEMPORARY EROSION CONTROL DEVICES SHALL BE EMPLOYED UNTIL SUCH TIME AS ADEQUATE SOIL STABILIZATION HAS BEEN ACHIEVED. TEMPORARY STORAGE OF EXCAVATED MATERIAL IS TO BE IN A MANNER THAT WILL MINIMIZE EROSION. MATERIALS AND METHODS USED FOR TEMPORARY EROSION CONTROL SHALL BE AS SPECIFIED BY THE LATEST EDITION OF THE "MAINE EROSION AND SEDIMENT CONTROL HANDBOOK FOR CONSTRUCTION: BEST MANAGEMENT PRACTICES" PREPARED BY THE MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION.

3 PLAN 4' DIA. MANHOLE Elev INSTALL 125 LF OF NEW 24" STORM DRAIN Elev Elev ' DIA. MANHOLE Elev Elev INSTALL 167 LF OF 30" STORM DRAIN Elev ' STRAIGHT GRANITE TIP DOWN Elev ADA COMPLIANT HANDICAP RAMP # REV JSW DT INSTALL 42 LF OF NEW 12" STORM DRAIN 4+00 Elev ' DIA. CATCH BASIN EXACT LOCATION TO BE DETERMINED IN THE FIELD INSTALL 10 LF OF 12" STORM DRAIN "F" TYPE CATCH BASIN EXACT LOCATION TO BE DETERMINED IN THE FIELD Bench Mark Top End of Ret. Wall Elev ' DIA. CATCH BASIN INSTALL 63 LF OF 36" STORM DRAIN Elev Top of Wall Elev PLACE OUTLET OF 36" STORM ON TOP OF EXISTING WALL (SEE PROFILE) 5' WIDE BITUMINOUS SIDEWALK RAILROAD ALLEY J:\PROJECTS 2013\Mill Street Stormwater\Mill Street Storm Drain and Sidewalk.dwg, 3/22/2013 2:18:36 PM, DWG To PDF.pc3 LINCOLN STREET 4' DIA. CATCH BASIN. CONNECT EX. 18" STORM DRAIN INSTALL 211 LF NEW STRAIGHT GRANITE CURB CANAL INSTALL ADA COMPLIANT HANDICAP RAMP 7' STRAIGHT GRANITE TIP DOWNS

4 PROFILE Elev Elev Elev ' Dia. Catch Basin Rim Elev. = 96.97± 4' Dia. Manhole Rim Elev. = 97.47± 5' Dia. Manhole Rim Elev. = 97.20± 5' Dia. Catch Basin Rim Elev. = 95.88± REV JSW DT Elev # Elev Elev J:\PROJECTS 2013\Mill Street Stormwater\Mill Street Storm Drain and Sidewalk.dwg, 3/22/2013 2:18:39 PM, DWG To PDF.pc3 Elev Elev Elev Sta INV. OUT = LF OF 12" 1.0% 4+00 Sta INV. IN = INV. OUT = LF OF 24" 1.0% Existing 18" Combined Sewer Sta INV. IN = INV. OUT = LF OF 30" 0.5% Sta INV. IN = INV. OUT = LF OF 36" 1.6% 0+50 Elev Elev Elev Top of Wall Elev Existing Wall Canal

5 MILL STREET STORMWATER AND DETAILS NOTES: US Patent # MOUNTING FLANGE FRONT VIEW CONFIGURATION DETAIL 1" PVC ANTI-SIPHON PIPE ADAPTER REMOVABLE WATERTIGHT ACCESS PORT, 6"-10" OPENING OUTLET PIPE (HIDDEN) SNOUT OIL-WATER-DEBRIS SEPARATOR SIDE VIEW 1. ALL HOODS AND TRAPS FOR CATCH BASINS AND WATER QUALITY STRUCTURES SHALL BE AS MANUFACTURED BY: BEST MANAGEMENT PRODUCTS, INC. PLASTIC PIPE FACILITY (PPF), 53 MT. ARCHER RD. DIVISION OF E.J. PRESCOTT INC. LYME, CT PRESCOTT STREET (860) , (860) FAX GARDINER, ME TOLL FREE: (800) OR (888) WEB SITE: OR PRE-APPROVED EQUAL OR PRE-APPROVED EQUAL 2. ALL HOODS SHALL BE CONSTRUCTED OF A GLASS REINFORCED RESIN COMPOSITE WITH ISO GEL COAT EXTERIOR FINISH WITH A MINIMUM 0.125" LAMINATE THICKNESS. # REV JSW DT J:\PROJECTS 2013\Mill Street Stormwater\Mill Street Storm Drain and Sidewalk.dwg, 3/22/2013 2:18:44 PM, DWG To PDF.pc3 3. ALL HOODS SHALL BE EQUIPPED WITH A WATERTIGHT ACCESS PORT, A MOUNTING FLANGE, AND AN ANTI-SIPHON VENT PIPE AND ELBOW AS DRAWN. (SEE CONFIGURATION DETAIL) 4. THE SIZE AND POSITION OF THE HOOD SHALL BE DETERMINED BY OUTLET PIPE SIZE AS PER MANUFACTURER'S RECOMMENDATION (SNOUT SIZE ALWAYS LARGER THAN PIPE SIZE). 5. THE BOTTOM OF THE HOOD SHALL EXTEND DOWNWARD A MINIMUM DISTANCE EQUAL TO 1/2 THE OUTLET PIPE DIAMETER WITH A MINIMUM DISTANCE OF 6" FOR PIPES <12" I.D. 6. THE ANTI-SIPHON VENT SHALL EXTEND ABOVE HOOD BY MINIMUM OF 3" AND A MAXIMUM OF 12" ACCORDING TO STRUCTURE CONFIGURATION. 7. THE SURFACE OF THE STRUCTURE WHERE THE HOOD IS MOUNTED SHALL BE FINISHED SMOOTH AND FREE OF LOOSE MATERIAL AND PIPE SHALL BE FINISHED FLUSH TO WALL. 8. THE HOOD SHALL BE SECURELY ATTACHED TO STRUCTURE WALL WITH 3/8' STAINLESS STEEL BOLTS AND OIL-RESISTANT GASKET AS SUPPLIED BY MANUFACTURER. (SEE INSTALLATION DETAIL) 9. INSTALLATION INSTRUCTIONS SHALL BE FURNISHED WITH MANUFACTURER SUPPLIED INSTALLATION KIT. INSTALLATION KIT SHALL INCLUDE: A. INSTALLATION INSTRUCTIONS B. PVC ANTI-SIPHON VENT PIPE AND ADAPTER C. OIL-RESISTANT CRUSHED CELL FOAM GASKET WITH PSA BACKING D. 3/8" STAINLESS STEEL BOLTS E. ANCHOR SHIELDS SEE NOTE* D OUTLET PIPE DESCRIPTION TYPICAL INSTALLATION ANTI-SIPHON DEVICE SNOUT OIL-DEBRIS HOOD SOLIDS SETTLE ON BOTTOM *NOTE- SUMP DEPTH OF 36" MIN. FOR < OR= 12" DIAM. OUTLET. FOR OUTLETS >OR= 15", DEPTH = 2.5-3X DIAM. INSTALLATION DETAIL ANCHOR W/ BOLT (SEE DETAIL A) MOUNTING FLANGE POSITION HOOD SUCH THAT BOTTOM FLANGE IS A DISTANCE OF 1/2 OUTLET 1/2 D PIPE DIAMETER (MIN.) BELOW THE PIPE INVERT. MINUMUM DISTANCE FOR GASKET PIPES < 12" I.D. IS 6". COMPRESSED BETWEEN HOOD AND STRUCTURE DETAIL A (SEE DETAIL B) HOOD SPECIFICATION FOR CATCH BASINS AND WATER QUALITY STRUCTURES OIL- DEBRIS HOOD SPECIFICATION AND INSTALLATION (TYPICAL) OIL AND DEBRIS FOAM GASKET W/ PSA BACKING (TRIM TO LENGTH) INSTALLATION NOTE: DRILLED HOLE DATE DETAIL B ANCHOR SHIELD EXPANSION CONE (NARROW END OUT) SCALE 09/08/00 NONE DRAWING NUMBER SP-SN STAINLESS BOLT