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Home My WebLink AboutErosion & Sediment Control Plan - - 1210 Osgood Street LEGEND: NOTES. CONSTRUCTION SEQUENCING(cont) TEMPORARY PER/METER 1. THE PURPOSE OF THIS PLAN IS TO GRAPHICALLY REPRESENT THE PRINCETON AT NORTH \ - -O - I Phase 4 ANDOIER APARTMENT HOMES TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ,F - Phase 4 is the period between base course being installed and A a/pavement and full stabilization of surrounding STRAW WATTLE _ O ♦ - - landscape areas. 2.THE TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES INDICATED ON THIS PLAN r _ \ _ I. Instal/catch basins of low points throughout the site of Tina/rim grades leaving them Z-3 inches oboe ARE CONSIDERED A GU/DE and SHOULD BE CONSIDERED THE MINIMAL EFFORT REQUIRED. base course elevations. TEMPORARY MATERIAL STOCK ADDITIONAL or ALTERNATE MEASURES MAY BE REQUIRED,DEPENDING ON ACTUAL FIELD O ((( - 2. Install silt sacks in catch basins. Proposed PILE or LA YDOWN AREA CON0I770NS F 3 Ring low point catch basins with/f"-1'stone a minimum of 12"wide and 3-4"high. - _ 4. Periodically clean sediment and replace stone from around low point catch basins and remove and clean silt AV .3 EXIS77NG COND177ONS INFORMATION REPRESENTED ON THIS PLAN IS FROM THE PRO�CT socks p-prr/y TEMPORARY SEDIMENT RA SIN SURVEY - Ir - - -- - - 5 6. Stabilize landscape areas as soon as possible as directed below.Catch basins an gradients shall have silt socks installed and sand tubes placed to bypass these catch basin Mixed Use i� SPECIFIC EXISTING CONDI7/ON"SURY PLAN(,)PREPARED BY T77 ENWRONMENTAL,INC. / L - _ to law point catch basin i _ s. 4. THE PROPOSED GRADING,DRAINAGE and STORMWA7ER SYSTEMS REPRESENTED ON THIS i I `i i'' -' �G�� _--- .-u _ = 7 Ring all loam stockpiles within paved areas with straw wattles. 1 TEMPORARY STABILIZED PLAN IS FROM PROWL SPEC/FIC DESIGN,AS INDICATED DN THE PERM/T PLANS, - \ �` t' 8. Sweep and clean parking lots regularly to limit sediment loading. Development CONSTRUCTION ENTRANCE STORMWA TER REPORT and SWPPP. - Fr; r p r,•,t`, �� BUFFER ZONE -- ---- FP,; TEMPORARY SEDIMENT BASIN CALCULATIONS - L _,RESTORATIDN -VOLUME REQUIRED IS BASED ON 3,630 OF PER ACRE a ! �tREp? PHASE BASIN ID UPSTREAM WATERSHED AREA VOLUME REQUIRED VOLUME PROVIDED EXCESS i- 6 COMPZIS/OR BARK MULCH' = e OTSTLRe . 18"COMPOST OR BARK SOCK TO7E--=INSTALLED PRIOR �\ (� -_-- 'qIVC, MULCH SOCK TO BE TO-CONSTRUCTION ! _ 0 F) 1-1 1.65 AC 6,000 OF 6,800 CF 800 OF INSTALLED AFTER / - - C6N BUFFERI NE--- Route 125(Osgood Street) 1-2 7.54 AC 6,980 CF 8,750 OF 1,770 OF RESTORATION IS 2-1 2.87 AC 10,420 CF 10,483 CF 63 CF - COMLETE O/V ♦--�// -- l,, �m--_ -! ..:./-/i _ North Andover,Massachusetts 2-2 2,20 AC 8,000 CF 8,279 CF 279 CF -- 2-3 6.59 AC 23,910 CF 24,003 OF 93 CF : � W POINT r CONSTRUCTION SEQUENCING AT HB SIN BUFFER-ZONE RESTORATION - PREPARED FOR: -=AREA 1 772ff Phase 1 -�� Phase 1 of the construction sequencing is the area tributary to the"1"series wet/ands flogs at the southeast comer of the site in the area of the ,__ / r--•- - proposed main entrance.This area will be worked prior to any other work performed on site outside of mobilization and the setting of construction traders. RETAIN TEMPO G1 ALL -1. Clear and grub vegetation only in the area of the erosion control line,proposed temporary sediment basin 1-1 and the proposed retaining wall and \ - / 1 - - - f - SEDIMENT J3 sediment basin 1-2. - = TEMPORARY B IN 2-3 Princeton 8 -�_ 2. Install erosion controls and construction entrance per plan,and begin buffer zone restoration. �.. eqs _- - DIVERS} WA LE \' J. Construct sediment basin 1-1 and diversion swa/e Properties 4. Begin wall installation far two to three courses and construct sediment basin 1 2 behind wall as shown on detail in referenced plan. ? - 5. Begin fill operation for embankment down gradient of future Infiltration System to an elevation equal to the base of the system. 6. Stabilize a//areas down gradient of the wall and/a-and seed embankment 7 Proceed with clearing and grubbing of remaining oreo within Phase 1. - 8. Maintain and modify as necessary the diversion swa/es and sediment basins as rill and wall operations proceed -i - BUILDING PAD E Phase 2 Phase 2 includes the balance of the site as this area is a//tributary to the 2"and'3"series wet/ands. / �"(��-PN FILL 8 FEET , 1. Clear and grub vegetation only in the area of the proposed erosion control line,retaining wo//e and temporary sediment basin 2-1,2-2 and 2-3 2 Install erosion controls per plan. ----_- O C I ! r c� 3 Begin wall installation for two to three courses and construct sediment basins and diversion swales behind walls as shown orr detail in referenced plan. -® _ 1 1 5 weStlOYd Street,4t17 F'IOOY 4. Begin fill operation and advance walls higher / O - __-- - _- - / 1 1� p 5 Stabilize all areas down gradient of the wall with loam and seed Lowell,MaS53C11uSettS�t051 S. Proceed with clearing and grubbing of remaining oreo within Phase 2. \O / ------ _ AUT� _ / I 7 Maintain and modify as,necessary the diversion swa/es and sediment basins as All and wall operations proceed O 8. P otect areas designated for future infiltration systems from sediment or over compaction.7hese areas should be roped off to prevent excessive vehicular traffic after All CB - __ J Phase 3 / BUILDING PAD D -- - - T COCK Phase 3 begins when pad sites ore brought to grade and underground stormwater systems and systems piping has been instol/ed but prior to a base couse / - __ _ _ -- - ��I�O K of pomment being installed / FILL 10 FEET ---- 1 r 1' 1. Install temporary shallow sediment basins as required between retaining wall perimeter and system areas to handle contributing area at a volume of - 3,600 cubic feet per acre. 2 As catch basins and oreo drain inlets ore installed protect with silt sacks or other acceptable means to keep all sediment from omterus.Do not use _- ___ _ ��O�T�T�� underground systems to directly receive stormwcter during this phase. LOW POINT _- - W N7 _ _ - 1 1 J. Protect oreo over systems until ti/the specified compacted bockfi//depths have been achieved. CATCHBASIN _- D_ C HBASIN - - \ -/ -- SEQUENCING CONTINUES(TOP RIGHT) // - Q ®O - TEM ORA8Y --- ® / f DIVE NPFAITI ( Civil Engineers Land Surveyors 1 \ \\ 1 ,,;,,,,,,,,,, -- — C B ,,,,,,,,,,,,,,,,,,,,, ,,, LIMIT OF WORK / '' __ _ Q�_- - - --` --- I ® \ _ ll 2 COURSES 9 V'�4 4n _,` �'CA Wetland Scientists S/LT FENCE -_-_ -\ lj SEDIMENT BASIN 11 rn 9 t j 9 \ STRAW 315 ELM STREET,MARLBOROUGH,MA 01752 I U �� u \ VOICE(508)460-1111,FAX(508)460-1121 WWW.H AN CO CK ASSO CI ATES.COM / T DIWENT PDRARY 1 SEE GEOTECH REPORT FOR REMOVAL OF UNSUITABLE �\ 3'FROM FACE OF wA[[ ASIN 1-2- -- EXCAVATED MATERIAL UNDER BUIDLING SOILS UNDER FOUNDATIONS AND SLABS ON j SLABS TO BE RE-USED AS ONSITE FILL. __ BUILDING PAD C EROSION BARRIER _ ®C ®I CROSS SECTION o - ---- BUILDING PAD B FILL 8 FEET \r; NOT TO SCALE / F $UILDINGI PAD FILL 4 FEET D D 1�/ -COMPOST OR BARK I _- - _ --- r`-- MULCH SOCK TO BE !I - / INSTALLED AFTER _ --- _ BUFFER ZON - OINT I.STORATI IS - SIN- - - -- --.1 -- __ - -- 25 DI FUTURE INFILTRAT ON TURB SANCE PROPOSED PROPERTY LINE, I i� ----(No - _-- - - - - ARMty -01 BUFFER -71 I _' CB_ C (No coNSTR1 _ COMMERCIAL AREA - TEMPORARY _- ( `� II� _ (� SEDIMENT _- \. f -TE'.RARY 1Aa - /-CBS - CONSTRUCTION BASIN 2 1 - _ TEMPORARY - - -\ - -` NO.BY APP DATE ISSUE/REVISION DESCRIPTION SEOTMENr - - _ _ - . _ Q Q DIVERSION SWALE eA�IN 1,-1 - PARKING AND MATERIAL 152__ \ =DATE: 4 20 18 DRAWN BY: ETC \ r c= SCALE: AS NOTED CHECK BY: JP J J TEMPORARY TEMPORARY LAYDOW 1 or \ APPROVED BY: JP Q STORAGE AREA DIVERSION SWALE MATERIAL STOCKPILE(TYP.) C 1A EM Z 1- 4 1A6 TF;8RARY ,� ° Z � DIV jjRSI`6N SW�rLE J � W o00 ` I---_ /0/---- l% ct Li U)ll I ` ----- -- �- -� , - -_ j 100"WETLAiVD 0 Jill o EROSION AND �UFFEF2` ° SEDIMENT I _ o - CONTROL -------- �� --_ � PLAN — —-- --------- --- -------- --- - —_ � — - _—__— E�25 -- r- — ---- -------- -- --- — -- TROUT _ _ — r — orn �---- — _ _— ——= — WIDTHA � _ --- --- - --__ D BRAR I E TION'�N DWG:19770SP-ESC-col wy TEMPORARY S ILIZED - -_ --- _ _-- _ - - --- CONSTRUCT] NTRANCE(TYP.) - - = - --- `(I�6I NIGNWgY - \ - LAYOUT: ESC - _ GRAPHIC SCALE: 1 INCH=40 FEET SHEET:27 OF 29 --- -- 0 20 40 80 160 x -_ PROJECT No.: 9770