J_2024 05 09_West Orange Stormwater Management Plan

EXCAVATING COMPANY: Heritage OPERATOR: Jeff Berking EXCAVATOR: Rubber tire hoe MTA FIELD ENG. Phil Pickering JOB NUMBER: 5165-243‘1D LOO OF TEST PIT TEST PIT NO. 1 SURFACE ELEVATION: +583 ft (±) N: 712462.2 E: 559096.6 WATER LEVEL: * COMPLETION DATE: 4/14/11 DESCRIPTION z £ i i 0-12 - S1 12-40 / Reddish brown (5YR, 4/3) sandy clay loam, 5% gravel, moderate medium angular blocky, wet, friable, common medium distinct yellowish brown (10YR, 5/6) mottles Dark reddish brown (2.5YR, 3/4) sandy clay loam, 15% gravel, 10% cobbles, at 5.5' moderate medium angular blocky, moist, friable, gradual wavy boundary, few fine distinct gray (10YR, 6/1) mottles - S2 5- • S3 Topsoil - Brown (10YR, 4/3) sandy clay loam, moderate . medium subangular blocky, moist to wet, friable, clear wavy . Xboundary, common fine to medium roots 5- 40-156 10- 10- Test pit completed @ 13' 15- 15’Light seepage @ 1; 2.5' and 7' ’Rapid groundwater seepage encountered @ 11'-6" Soil mottling @ 1' 20- 20NOTES FOR COLUMNS: 1. SAMPLE AT AVERAGE SAMPLING DEPTH 2. INDICATES THE NUMBER OF BLOWS TO ADVANCE A 2" OD SAMPLER A DISTANCE OF 12 INCHES USING A 140 POUND WEIGHT FALLING 30 INCHES SOIL DESCRIPTION MODIFIERS: Typist/Date: mrd/mh 5/11 TRACE 0 -10% LITTLE 10-20% SOME 20-35% AND OVER 35% Sheet: 1 of 1 PLATE: 4A MELICK-TULLY AND ASSOCIATES. P.C. Geotechnical Engineers and Environmental Consultants

EXCAVATING COMPANY: Heritage OPERATOR: Jeff Berking EXCAVATOR: Rubber tire hoe MTA FIELD ENG. Phil Pickering JOB NUMBER: 5165-243*1 D P 5 U g p H (/) r LOG OF TEST PIT TEST PIT NO. 2 SURFACE ELEVATION: +588 ft (±) (O N: 712422.8 E: 559185.8 WATER LEVEL: COMPLETION DATE: 4/14/11 DESCRIPTION I X '£ a 0-10 10-24 TOPSOIL - Dark grayish brown (10YR, 4/2) sandy clay loam, . weak medium crumb, wet, loose, abrupt wavy boundary, few \fine to medium roots________________________________________ Brown (10YR, 4/3) sandy clay loam, 5% gravel, moderate medium angular blocky, wet, friable, clear wavy boundary, few fine to medium roots, many coarse prominent brownish yellow (10YR, 6/8) mottles @ 18" to 24" \i - S1 524-132 Dark reddish brown (2.5YR, 3/4) sandy clay loam, 5% gravel, 10% cobbles, 5% boulders, moderate medium angular blocky, moist, friable to firm, few medium distinct gray (19YR, 6/1) mottles throughout / 5- 10- 10- 132-156 S2 156-168 Yellowish brown (10YR, 5/8) silty clay loam, moderate medium angular blocky, moist to wet, friable, common medium prominent gray (10YR, 6/1) and strong brown (7.5YR, 5/18) mottles Dark yellowish brown (10YR, 4/6) loamy sand/ sandy loam, v moderate medium granular (wet) 15- 15Test pit completed @14’ 'Moderate groundwater seepage encountered @ 13' 'Light groundwater seepage encountered @ 2’ 20- 20NOTES FOR COLUMNS: 1. SAMPLE AT AVERAGE SAMPLING DEPTH 2. INDICATES THE NUMBER OF 8LOWS TO ADVANCE A 2“ OD SAMPLER A DISTANCE OF 12 INCHES USING A 140 POUND WEIGHT FALLING 30 INCHES SOIL DESCRIPTION MODIFIERS: TRACE 0-10% LITTLE 10-20% SOME 20 - 35% AND OVER 35% MELICK-TULLYAND ASSOCIATES, P.C. Geotechnical Engineers and Environmental Consultants Typist/Date: mrd/mh 5/11 Sheet: 1 of 1 PLATE: 4B

LETTER SYMBOL MAJOR DIVISIONS CLEAN GRAVELS GRAVEL & GRAVELLY SOILS (Little or no fines) More than 50% of GRAVELS WITH coarse fraction FINES RETAILED on No. 4 Sieve (Appreciable amount of lines) COARSE GRAINED SOILS CLEAN SAND | More thm 50% of material ii LARGER than No. 200 Sieve ' SAND AND SANDY SOILS GW GM GC Clayey gravels, gravel-sandclay mixtures. SW Well-graded sands, gravelly sands, little or no fines. SP Poorly-graded sands, gravelly sands, little or no fines. Silty sands, sand-silt mixtures SM SC ML FINEGRAINED SOILS Liquid limit LESS than 50 SILTS AND CLAYS More than 30V® of material is SMALLER, than No. 200 Sieve. CL OL Liquid limit OREATER than 50 SILTS AND CLAYS MH CH OH HIGHLY ORGANIC SOILS Well-graded gravels, gravelsand mixtures, little or no fine*. Poorly-graded gravels, gravelsand mixtures, little or no lines Silty graves, gravel-sand-sill mixtures. GP (Little or no fines) More than 50% of SANDS WITH coane fraction FINES i PASSING a No. 4 Sieve (Appreciable amount i of fines) TYPICAL DESCRIPTIONS PT Clayey sands, sand-elay mixtures. Inorganic silts and Very fine sands, rock flour, silty or clayey fine sands or clayey sills with slight plasticity. Inorganic clays of low to medium plasticity, gravelly clays, sandy clays, silty clays, lean clays. Organic sills and organic silty clays of low plasticity. Inorganic silts, micaceous or diatomaccous fine sand or silty soils. Inorganic clay* of high plasticity, fat clay*. Organic clays of medium to high plasticity, organic silts. Peat, humus, swamp soils with high organic contents NOTE: DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CL CRADATION* COMPACTNESS* sand and/or gravel % Finer by Weight Relative Density Trace Little Some And 0% lo 10% 10% to 20% 20% to 35% 35% to 50% Loose 0%lo 40% Medium Dense40% lo 70% Dense 70% to 90% Very Dense 90% to 100% CONSISTENCY* clay and/or silt Range of Shearing Strength in Pounds per Square Foot leas than 250 Very Soft 250 to 500 Soft 500 to 1000 Medium 1000 lo 2000 Stiff 2000 to 4000 Very Stiff Greater than 4000 Hard •Values are from laboratory or field lest data, where applicable. When no testing was pe UNIFIED SOIL CLASSIFICATION SYSTEM SOIL CLASSIFICATION CHART MEUCK-TULLY AND ASSOCIATES , P.C. PLATE 5A

BY_______________DATE ___________ REVISIONS CHECKEO BY______________________ RLE__________________________________________ ____ BY________________.DATE 100% 10 90 80 m -v 70 a 60 o 7 40 30 20 10 A 40 Silty 50 & 60 % fr A clay Loam A -V ? VLoam * 60 80 100% Silt \/ 70 70 Silt Loam r A ^ \ /' sand it Clay Loam -Sandy Loaf O/San 100% m * ■Sandy ctay,• Loam V &X-4 7"\ / \ \/ 'O 30 Clay X 50 andy Clay 20 * silt 50 40 30 20 10 Percent Sand by Weight USD A S O I L CLASSIFICATION SYSTEM F® {REFERENCE: U.S. OEPT. OF AGRICULTURE HANDBOOK 18 ) PLATE 58

Gradation Curve(s) n «• 1 0 0 .s a 8 8 1 8 1 1 »- 90 80 70 an eo 111 z u_ H 2 £ LU a. I 50 I 40 30 I 2 0 n 1 0 I ri1 0 % Cobbles 0 0.0 0.0 0.0 0.0 0.0 Q A O V 0 . 1 0.001 % Gravel Coarse Fine Coarse 0.0 0.0 0.0 0.0 0.0 8.4 7.7 0.3 9.4 2.9 19.3 17.2 2.8 7.6 11.5 DEPTH (ft) Material Description uses % Sand Medium 7.6 11.3 8.2 7.8 10.1 Fine 30.1 25.8 33.2 32.3 30.4 % Fines 34.6 38.0 55.5 42.9 45.1 SOIL DATA SYMBOL SOURCE SAMPLE NO. O SBH-1 S-4 5 F-c Sand, some Silty Clay, trace fine Gravel. (MC=13.0%) SC □ SBH-1 S-7 12 F-c Sand, and Silty Clay, trace fine Gravel. (MC=15.9%) SC A SBH-2 S-4B 5 Silty Clay, and f-m Sand, trace fine Gravel.(MC=16.4%) CL o SBH-2 S-6A 8 F-c Sand, and Silty Clay, trace fine Gravel. (MC=13.4%) SC V SBH-3 S-3A 8 F-c Sand, and Silty Clay, trace fine Gravel. (MC=18.5%) SC Melick-Tully & Associates, P.C. South Bound Brook, NJ Client: PSE&G Project: West Orange Switching Station Improvements, West Orange, NJ Project No.: 5165-243 Plate 6A

Gradation Curve(s) .?= — co * CO CM r r* 100 90 80 70 £5 60 z 50 LU g S 40 30 20 10 0 % Cobbles o 0.1 100 0.0 % Gravel Coarse Fine 0.0 % Sand Coarse Medium Fine 5.3 10.7 7.1 31.4 0.01 0.001 % Fines 45.5 a 0.0 0.0 8.3 16.4 8.5 29.3 37.5 A 0.0 0.0 6.2 14.8 8.6 23.5 46.9 o V 0.0 0.0 1.4 5.2 4.9 37.4 51.1 0.0 0.0 3.1 2.2 11.1 40.6 43.0 DEPTH (ft) Material Description uses SOIL DATA SYMBOL SOURCE SAMPLE NO. O SBH-4 S-4A 5 F-c Sand, and Silty Clay, trace fine Gravel. (MC=12.6%) SC □ SBH-4 S-6A 10 F-c Sand, and Silty Clay, trace fine Gravel. (MC=13.0%) SC A SBH-5 S-2 4 F-c Sand, and Silty Clay, trace fine Gravel. (MC=21.5%) Possible Fill O SBH-5 S-5C 11 Silty Clay, and f-c Sand, trace fine Gravel. (MC=12.2%) CL 17 SBH-5 S-7 14 F-m Sand, and Silty Clay, trace fine Gravel. (MC=15.0%) SC Melick-Tully & Associates, P.C. South Bound Brook, NJ Client: PSE&G Project: West Orange Switching Station Improvements, West Orange, NJ Project No.: 5165-243 Plate 6B

LIQUID AND PLASTIC LIMITS TEST REPORT i i|L 60 Dashed line indicates the approximate J upper limit boundary for natural soils O 50 o* 40 2 Q Z H |30 3 CL q: JT 20 OV 10 ih -ML 0 10 ML or OL 20 30 40 MH or OH 50 60 LIQUID LIMIT 70 80 90 100 11 SOIL DATA NATURAL WATER CONTENT (%) PLASTIC LIMIT (%) - LIQUID LIMIT (%) PLASTICITY INDEX (%) SYMBOL SOURCE SAMPLE NO. • SBH-3 S-2A 3 17.1 20 34 14 CL ■ SBH-3 S-7A 15 33.6 33 47 14 ML A SBH-5 S-4B 9 21.5 18 30 12 CL Melick-Tully & Associates, P.C. South Bound Brook, NJ DEPTH uses Client: PSE&G Project: West Orange Switching Station Improvements, West Orange, NJ Project No.: 5165-243 Plate 7

Summary of pH, Sulfate and Chloride Ion Testing Proposed West Orange Switching Improvements West Orange, Essex County, New Jersey PSE&G Boring Depth SBH-1 SBH-1 SBH-1 SBH-1 SBH-2 SBH-2 SBH-2 SBH-2 SBH-3 SBH-3 SBH-3 SBH-3 SBH-3 SBH-3 SBH-3 SBH-4 SBH-4 SBH-4 SBH-4 SBH-5 SBH-5 SBH-5 SBH-5 SBH-5 SBH-5 SBH-5 TP-1 TP-2 3 5 9 12 3 5 6 8 3 5 8 10 15 20 25 3 5 10 14 4 8 10 11 14 20 25 3 3 Summary of Soil Box and pH Testing Resistivity<l> Soil Type ohm-cm 7,180 Clayey Silt 8,700 Clayey Sand 4,750 Clayey Sand 1,200 Clayey Sand 7,280 Clayey Silt 7,440 Silty Clay 6,740 Silty Clay 7,460 Clayey Sand 9,620 Silty Clay/Clayey Sand 10,300 Clayey Sand 6,440 Clayey Sand 5,630 Clayey Sand 2,290 Silty Sand with Clayey Silt Layers 2,850 Highly Decomposed Basalt 5,730 Highly Decomposed Basalt 5,230 Clayey Silt/Clayey Sand 6,010 Clayey Sand 7,370 Clayey Sand 1,360 Highly Decomposed Basalt 10,700 Clayey Sand Fill 7,950 Clayey Sand Fill 2,040 Silty Clay Silty Clay 2,100 Clayey Sand 3,120 Clayey Sand 3,620 Highly Weathered Basalt Clayey Sand Clayey Sand pH 4.7 5.0 5.2 5.3 5.6 5.3 5.0 5.3 5.4 5.4 5.8 6.3 6.2 6.2 6.4 6.4 6.7 6.9 6.8 6.9 6.8 6.6 6.9 6.9 7.4 7.4 7.2 7.2 (l)Soil box test performed at in-situ moisture Boring SBH-1 SBH-2 SBH-3 SBH-4 SBH-5 Depth 2.5 2.5 2 2 2 Summary of Sulfate and Chloride Ion Testing Sulfate (ppm) Soil Type Clayey Silt ND Clayey Silt ND ND Silty Clay ND Clayey Silt ND Clayey Silt Chloride (ppm) 52.4 103 ND ND ND ND =» Analyzed for but not detected at the method detection limit MELICK-TULLY AND ASSOCIATES, P.C. Job No. 5165-243*1D Plate 8

DESIGN FOUNDATION SUBORADE LEVEL SUITABLE BEARING STRATUM / w /I VERTICAL I ALTERNATE MIN. UMITS OF BOHOM OF FOUNDATION EXCAVATIONS DETERMINED BY TYPE OF BACKFILL MATERIAL LEAN CONCRETE OR FLOWABLE nil -B+DSTONE BACKFILL •8+20 STRUCTURAL FILL BACKHLL SUGGESTED FOUNDATION OVEREXCAVATION DETAIL NOT TO SCALE NOTES: 1. B s width or foundation. 2. D - Depth of overexcavailon of unsuitable materials bolow bottom of foundation subgrado to surface of suitable boaring stratum. 3. Loan Concrslo or Flowable Fill: Minimum 300 psl. 4. Stono Backfill: Clean 3/4 Inch crushed stone. 5. Structural Fill Backfill: Approved granular soils spread In lifts and compacted to at least 95 percent of maximum dry density as determined by the ASTM DI557 test procedure. 6. Stone and Structural Backfill alternates are not acceptable where excavations extend below adjacent foundations. m PLATE lO

SBH-1 615 ss SBH-3 5 ■;V: Si ■t -43 ,c V‘ -V. ■ -36. 605 ELEVATION, FEET v r•..* -V'f t24 T-,7»•—» ' >« *vi . r^-'-VV v-. Vll'All'V ,--s - iL/iki'yv,w. iSS - -40 -40 ^5 “"5 viv'- 4 A A Id ft - v ,vT;JL.... ortx* A* 3$tsjK-'5±Li ss Mq 5S 595 <rt |50/0' /• V . o>* SBH-4 'nf.l 3£S f iS; 585 Hi ' C? •V1S.7 ^ o 1 i f nil 1*3 — 585 §|||g IE SvSfc; !»• * 575 575 •S3 ‘KSaBj'.rhS' r72Sja -) l!lw . ^^25.W>}" ','1 5 V*.4 .•> & 1^100/0"; mm >?<$>£* A■ Kgj i&S •>!rf SSH& m: SXW 53gg 5ft gzgg 8888MS assBaPaig ‘ rjtf -VERTICM. SfcBfea IsHI BSS 3$ 9^ BP ppw to* llllllllllIP^ ££53 '■'*’*>■'> r^-c; V:>? 5-WK&3 SECTION A-A’ O’ 5’ 0’ 25* 565 50* -HORIZONTAL- 555 555 KEY: SBH-1 SUBSURFACE PROFILE A-A’ BORING NUMBER AND LOCATION NOTES: W. ORANGE SWITCHING STA. IMPROVEMENTS LIVINGSTON, NEW JERSEY r~8 1. Thl* drawing I* port of M*llck-Tu11y ond Aiaoclat**, Ino. R*port No, 5165-2*3*1 D ond *bould tx rood togdhar with tha report for complat* (valuation. 2. Tb« itratlflcotlon lln** or* bo**d upon Intarpolotlon* b*twaan wld*ly opacod l**t boring* and thu* reprawnt th« oppnodmot* boundorl** b*twaan loll typa*. Actual tron*ltloni may vary from tho** »hown. ----------- STANDARD PENETRATION RESISTANCE BLOWS/FT. I ------------------GROUNDWATER ELEVATION 100/5"-------------PENETRATION RESISTANCE IN BLOWS/INCH. GWNE ----------- GROUNDWATER NOT ENCOUNTERED 3, Stratum doilgnotlon* or* gon*rollx*d. So* report for d**crtptloni of ooch rtratum and th* t**t boring log* for d«toll*d dncrlptlon* at (pacific location*. PSE&G MELICK-TULLY AND ASSOCIATES, P.C. Q>otiohnhfll noWitin WWIW110 HVWif wf VV X • ft Cnvtronnwntol rtronmwtol Conauftont* 117 Canal , J *L- | U South Bound Break, N#w »G BfOOK, W J#fNy 00680 (731} 336-3400 fn r JOB NO. OH BY VjO FILE NO. 5165-243*10 CHK. BY MR£> DATT 5-16-11 2489B SCALE AS NOTED PUTT S