AHJ.MA PROFESSIONAL ENGINEER NN RTEHA NSAT INOEOFIL …

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COVER SHEET

COMED DISTRIBUTIONCONDUIT INSTALLATION

WO# 16706946155 N. CARPENTER ST. - PERM (PART 1)

W. RANDOLPH ST. FROMN. CARPENTER ST. TO N. CARPENTER ST.

CHICAGO, ILLINOIS

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123 N. WACKER DRIVE SUITE 2000CHICAGO, ILLINOIS 60606TEL. (312) 857-1006 FAX. (312) 857-1056

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ISSUED FOR CONSTRUCTION

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COMED PROPOSEDCONDUIT INSTALLATION155 N. CARPENTER - PERM (PART 1)CHICAGO, ILLINOISCOMED WO#: 16706946DBS PROJECT#: 603.074EFP- 110905

THIS AND THE FOLLOWING SHEETS ARE NOT TRANSFERABLEAND ARE ONLY CONSIDERED AN OFFICIAL CONSTRUCTIONDRAWING WHEN ACCOMPANIED BY A SIGNED ENGINEERING SEAL.

THIS MATERIAL IS THE PROPERTY OF COMED AND CONTAINS CONFIDENTIALINFORMATION WHICH MUST NOT BE DUPLICATED, USED, OR DISCLOSEDOTHER THAN AS EXPRESSLY AUTHORIZED BY COMED.

An Exelon Company

DB STERLIN CONSULTANTS, INC.

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PROFESSIONAL ENGINEEREXPIRES 11-30-2021

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CONSTRUCTION DETAILS 1COMED DETAILS

TRAFFIC CONTROL - STAGE 1

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EXISTING GAS MANHOLE

EXISTING GAS CAP

EXISTING PEDESTAL

EXISTING GARBAGE CAN

EXISTING GAS REDUCER

EXISTING ADA RAMP

EXISTING BENCH

EXISTING BUS SHELTER

EXISTING RIGHT OF WAY

EXISTING EASEMENT LINE

EXISTING AT&T

EXISTING DEO / ELECTRIC MANHOLE

EXISTING COMED MANHOLE

EXISTING SEWER MANHOLE

EXISTING WATER MANHOLE

EXISTING WATER VALVE

EXISTING WATER METER

EXISTING WATER HYDRANT

EXISTING WATER CAP

EXISTING WATER REDUCER

EXISTING MWRD MANHOLE

EXISTING CATCH BASIN

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EXISTING GAS VALVE

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EXISTING CONTROL STREET LIGHT BOX

EXISTING CONTROL TRAFFIC LIGHT BOX

EXISTING STREET LIGHT HANDHOLE

EXISTING TRAFFIC LIGHT HANDHOLE

EXISTING STREET LIGHT POLE

EXISTING TRAFFIC LIGHT POLE

EXISTING DEO HANDHOLE

EXISTING WATER SHUT OFF (SMALL)

EXISTING FIRE-CISTERN MANHOLE EXISTING CTA MANHOLE

CTA TRACKSPOSSIBLE BURIED

EXISTING CROWN CASTLE

EXISTING CABLE TV MANHOLE

EXISTING COMCAST MANHOLE

EXISTING COMMUNICATIONS MANHOLE

EXISTING ZAYO GROUP MANHOLE

EXISTING SIDERA MANHOLE

EXISTING QWEST MANHOLE

EXISTING VERIZON MANHOLE

EXISTING RCN MANHOLE

EXISTING MCI/VERIZON MANHOLE

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EXISTING WOW MANHOLE

EXISTING SUNESYS MANHOLE

EXISTING XO MANHOLE

EXISTING LEVEL 3 MANHOLE

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EXISTING STREET PARKING PAY BOX

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EXISTING MAILBOX

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GENERAL NOTES

1. THE CONTRACTOR SHALL COORDINATE ALL WORK WITH LOCAL, STATE, AND FEDERAL AGENCIES AS REQUIRED, AND WITH ALLADJACENT UTILITY OWNERS, WHETHER PUBLIC OR PRIVATE, INCLUDING COORDINATING ALL WORK WITH ANY OTHER PROJECTSPLANNED OR BEING CONSTRUCTED WITHIN THE PROJECT AREA AS NEEDED.

2. THE CONTRACTOR MUST COMPLY WITH ALL FEDERAL, STATE AND LOCAL CODES.

3. THE ILLINOIS DEPARTMENT OF TRANSPORTATION "STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION," LATESTEDITION, AND ALL ADDENDA THERETO, AND CITY OF CHICAGO "RULES AND REGULATIONS FOR CONSTRUCTION IN THE PUBLICWAY", LATEST EDITION, SHALL GOVERN ALL WORK UNDER THIS CONTRACT.

4. ALL WORK SHALL BE CONDUCTED IN ACCORDANCE WITH OSHA REQUIREMENTS.

5. ALL MATERIALS SHALL CONFORM TO APPLICABLE STANDARDS ESTABLISHED BY ANSI, NEMA, NBFU AND SHALL BE "U.L." LISTEDWHERE APPLICABLE. ALL MATERIALS AND EQUIPMENT SHALL BE NEW AND IN GOOD WORKING CONDITION WHEN INSTALLEDAND SHALL BE OF THE BEST GRADE AND OF THE SAME MANUFACTURER THROUGHOUT FOR EACH CLASS OR GROUP OFEQUIPMENT.

6. THE LOCATIONS AND ELEVATIONS OF EXISTING UNDERGROUND UTILITIES SHOWN OR REFERENCED ON THE PLANS AND PROFILESHAVE BEEN OBTAINED FROM DRAWINGS AND DATA RECEIVED FROM VARIOUS SOURCES. UTILITY DEPTHS ARE LABELED INPROFILES WHEN PROVIDED BY THE UTILITY. UTILITIES NOT LABELED IN PROFILES ARE DRAWN AT ASSUMED DEPTHS.CONTRACTOR TO VERIFY HORIZONTAL AND VERTICAL LOCATION OF ALL UTILITIES IN THE FIELD PRIOR TO EXCAVATION.

7. CONTRACTOR TO CALL DIGGER AT 312-744-7000 A MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION TO HAVE EXISITNGUTILITIES LOCATED AND MARKED OR STAKED.

8. THE EXISTENCE AND LOCATION OF UNDERGROUND UTILITIES SHALL BE OBTAINED FROM ALL UTILITY COMPANIES ANDINVESTIGATED AND VERIFIED IN THE FIELD BY THE CONTRACTOR BEFORE STARTING WORK. EXCAVATION IN THE VINCINITY OFEXISTING UTILITIES AND UTILITY STRUCTURES SHALL BE PERFORMED BY HAND. THE CONTRACTOR WILL BE RESPONSIBLE FORTHE MAINTENANCE AND PRESERVATION OF THESE UTILITIES. ANY AND ALL DAMAGES TO EXISTING FACILITIES SHALL BEREPAIRED TO THE SATISFACTION OF THE UTILITY OWNER AT THE CONTRACTOR'S EXPENSE.

9. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS AND CONDITIONS AFFECTING THEIR WORK WITH ACTUAL CONDITIONS AT THEJOB SITE. IF THERE ARE ANY DISCREPANCIES FROM WHAT IS SHOWN ON THE CONSTRUCTION PLAN, HE MUST IMMEDIATELYREPORT SAME TO THE ENGINEER BEFORE DOING ANY WORK, OTHERWISE THE CONTRACTOR ASSUMES FULL RESPONSIBILITY. INTHE EVENT OF DISAGREEMENT BETWEEN THE CONSTRUCTION PLANS, STANDARD SPECIFICATIONS AND/OR SPECIAL DETAILS,THE CONTRACTOR SHALL SECURE WRITTEN INSTRUCTION FROM THE ENGINEER PRIOR TO PROCEEDING WITH ANY PART OF THEWORK AFFECTED BY OMISSIONS OR DISCREPANCIES, FAILING TO SECURE SUCH INSTRUCTION, THE CONTRACTOR WILL BECONSIDERED TO HAVE PROCEEDED AT HIS OWN RISK AND EXPENSE. IN THE EVENT OF ANY DOUBT OR QUESTION ARISING WITHRESPECT TO THE TRUE MEANING OF THE CONSTRUCTION PLANS OR SPECIFICATIONS, THE DECISION OF THE ENGINEER SHALL BEFINAL AND CONCLUSIVE.

10. THE CONTRACTOR SHALL OBTAIN ALL NECESSARY PERMITS AND PAY THE REQUISITE FEES TO THE CITY OF CHICAGO PRIOR TOCOMMENCING WORK.

11. ALL WORK AND MATERIALS WHICH DO NOT CONFORM TO THE SPECIFICATIONS ARE SUBJECT TO REMOVAL AND REPLACEMENTAT THE CONTRACTOR'S EXPENSE.

12. DO NOT SCALE PLANS FOR CONSTRUCTION DIMENSIONS.

13. THE CONTRACTOR SHALL OBTAIN THE ADJACENT PROPERTY OWNERS' PERMISSION BEFORE LABOR, MATERIALS, EQUIPMENT ORWORK IS STORED/PERFORMED ON THE LANDS OF OTHERS. CDOT RULES AND REGULATIONS SHALL BE FOLLOWED WITHRESPECT TO THE STORAGE OF MATERIALS IN THE PUBLIC WAY.

14. ALL UTILITY TRENCHES UNDER OR WITHIN TWO FEET OF PAVEMENT, SIDEWALK, CURB AND GUTTER, ETC. SHALL BE BACKFILLEDWITH CA-6 CRUSHED STONE (GRADE 8 OR 9), COMPACTED IN 9" LIFTS TO 95% OF MODIFIED PROCTOR.

15. UTILITY CONNECTIONS WITHIN THE STREET RIGHT-OF-WAY SHALL BE ACCOMPLISHED BY SAWCUTTING AND REMOVING THEEXISTING PAVEMENT. BACKFILL AND RESTORATION SHALL BE DONE IN ACCORDANCE WITH CDOT RULES AND REGULATIONS.

16. CONTACTOR SHALL RECORD THE LOCATION AND ELEVATION OF ALL NEW WORK INSTALLED AND OF ALL UTILITIESENCOUNTERED AS WORK PROGRESSES AND SHALL PREPARE AS-BUILT DRAWINGS BASED ON THESE RECORDS, TO BE SUBMITTEDTO COMED UPON COMPLETION OF WORK.

CHICAGO DEPARTMENT OF WATER MANAGEMENT

1. THE MINIMUM VERTICAL CLEARANCE (EDGE-TO-EDGE) FROM ALL WATER MAINS AND SERVICES IS 18-INCHES. FOR GRID MAINS(WATER MAINS LESS THAN 16-INCHES) AND WATER STRUCTURES (VALVE BASINS, SERVICE CONTROL VALVES, ETC.), THEMINIMUM HORIZONTAL CLEARANCE (EDGE-TO-EDGE) IS THREE (3) FEET. FOR FEEDER MAINS (WATER MAINS 16-INCHES ANDLARGER), THE MINIMUM HORIZONTAL CLEARANCE (EDGE-TO-EDGE) IS FIVE (5) FEET.

2. FOR ALL GENERAL CLEARANCE REQUIREMENTS (NON-WATER):DWM REQUIRES A MINIMUM HORIZONTAL CLEARANCE OF ID (INNER DIA. OF THE SEWER) + 4' CENTER-TO-CENTER OR 4 FEET EDGE-TO-EDGE, WHICHEVER IS LARGER, AND A MINIMUM VERTICAL CLEARANCE OF 18" EDGE-TO-EDGE. IF EITHER OF THESE CONDITIONS ARE NOT MET, THE SEWER MUST BE REPLACED WITH DIP OR REHABILITATED WITH AN APPROPRIATE LINER IF DIRECTED BY THE CITY.

3. IN NO CASE SHALL THE INSTALLATION OF ANY PROPOSED FACILITY BE CLOSER THAN FIVE (5) FEET AROUND A FIRE HYDRANT ORFIRE HYDRANT LEAD.

4. WHERE SHOWN ON THE PLANS, WATER MAINS TO BE TEMPORARILY SUPPORTED FOLLOWING DWM STANDARD DETAILS ANDCALCULATIONS PROVIDED ON THESE PLANS, AS REVIEWED AND APPROVED BY DWM.

5. WHEN EXISTING DRAINAGE FACILITIES ARE DISTURBED, THE CONTRACTOR SHALL PROVIDE AND MAINTAIN TEMPORARY OUTLETSAND CONNECTIONS FOR ALL DRAINS, SEWERS, AND APPURTENANCES.

6. EXTREME CAUTION MUST BE TAKEN TO AVOID DAMAGE TO ANY WATER OR SEWER FACILITIES. IF DAMAGE OCCURS TO THISDEPARTMENT'S FACILITIES, THE CONTRACTOR AND/OR OWNER WILL BE RESPONSIBLE FOR THE COST OF REPAIRING ORREPLACING THE DAMAGED FACILITIES.

7. WHERE ANY SEWER WORK IS REQUIRED, INCLUDING ADJUSTMENT OF SEWER STRUCTURES AND REMOVAL/REPLACEMENT OFFRAMES AND LIDS, THE CONTRACTOR MUST OBTAIN A PERMIT FROM DWM AND THE WORK MUST BE PERFORMED BY ALICENSED DRAIN LAYER UNDER PERMITS AND INSPECTION OF THE CITY OF CHICAGO DEPARTMENT OF WATER MANAGEMENT.A DWM SEWER INSPECTOR MUST BE PRESENT DURING THE WORK.

8. FAILURE TO COMPLY WITH THE ABOVE REQUIREMENTS MAY RESULT IN ADDITIONAL EXPENSES TO THE PROPOSED PROJECT TOVERIFY THAT ALL WORK CONFORMS TO DWM'S STANDARDS.

9. ALL SEWER INSTALLATIONS MUST MEET IEPA SEPARATION REQUIREMENTS FOR WATER AND SEWER PIPES. ALL PROPOSED/REPLACED SEWER LATERALS FROM CATCH BASINS/INLETS, SEWER MAINS, AND PRIVATE DRAINS (COLLECTIVELYKNOWN AS 'SEWER FACILITIES') THAT ARE PARALLEL TO WATER MAINS, SERVICES, OR FIRE HYDRANT LEADS (COLLECTIVELYKNOWN AS 'WATER FACILITIES') THAT ARE LESS THAN 18 INCHES BELOW THE WATER FACILITY AND HAVE LESS THAT 10 FEET OFHORIZONTAL SEPARATION FROM THE OUTSIDE EDGE OF THE WATER FACILITY MUST BE MADE OUT OF DUCTILE IRON/WATERMAIN QUALITY PIPE FOR 10 FEET ON EITHER SIDE OF THE OUTSIDE EDGE OF THE WATER FACILITY, ADDITIONALLY, ALL SEWERFACILITIES THAT CROSS PERPENDICULARLY BELOW WATER FACILITIES WITH LESS THAN 18 INCHES VERTICAL SEPARATION MUSTBE MADE OUT OF DUCTILE IRON/WATER MAIN QUALITY PIPE FOR 10 FEET ON EITHER SIDE OF THE OUTSIDE EDGE OF THE WATERFACILITY. IN ANY SEWER FACILITY CROSSES PERPENDICULARLY ABOVE A WATER FACILITY, THEN THE SEWER FACILITY SHALL BE ATLEAST 18 INCHES ABOVE THE WATER FACILITY AND THE SEWER FACILITY MUST BE MADE OUT OF DUCTILE IRON/WATER MAINQUALITY PIPE FOR 10 FEET ON EITHER SIDE OF THE OUTSIDE EDGE OF THE WATER FACILITY. SEWER LATERALS THAT REQUIREDUCTILE IRON/WATER MAIN QUALITY PIPE SHALL BE DUCTILE IRON/WATER MAIN QUALITY PIPE FROM THE CATCH BASIN TO APOINT 10 FEET BEYOND THE EDGE OF THE WATER FACILITY.

PEOPLE'S GAS

1. PEOPLES GAS FACILITIES ARE PRESENT WITHIN AREA OF CONSTRUCTION.USE EXTREME CAUTION NEAR ALL GAS FACILITIES DURING CONSTRUCTION ANDRELATED EXCAVATION ACTIVITIES. HAND EXCAVATION IS REQUIRED TO FIELD VERIFYTHE HORIZONTAL AND VERTICAL LOCATION OF GAS MAIN(S) PRIOR TO CROSSING ANDWORKING WITHIN 3 FEET OF ALL GAS FACILITIES. A MINIMUM OF 3' HORIZONTAL EDGE TOEDGE CLEARANCE IS REQUIRED FOR GAS MAINS WITH DIAMETERS OF 16" OR SMALLER, AND5FT EDGE TO EDGE CLEARANCE FOR GAS MAINS WITH DIAMETERS 18" AND LARGER.MAINTAIN A MINIMUM OF 18" EDGE TO EDGE VERTICAL CLEARANCE WHEN CROSSING GASMAINS 16" OR LESS IN DIAMETER, AND 24" EDGE TO EDGE VERTICAL CLEARANCE WHENCROSSING 18" AND LARGER DIAMETER GAS MAINS. CONTACT DIGGER 811 CHICAGO/312-744-7000FOR LOCATES 48 HOURS PRIOR TO START OF CONSTRUCTION.

2. THE USE OF CONCRETE, FLOW FILL, OR THE LIKE IS PROHIBITED WITHIN 24 INCHES OF ALL GASFACILITIES, NOR SHALL IT ENCASE ANY GAS FACILITY. A BUFFER OF 24" SAND IS TO BE USEDBETWEEN FLOW FILL AND ALL GAS FACILITIES. A MINIMUM OF 6" FA-02 OR FM-02 SAND SHALLBE USED WHEN BACKFILLING OTHER MATERIALS AROUND ANY EXPOSED GAS FACILITY. CONTRACTOREXPOSING GAS FACILITY IS RESPONSIBLE FOR PROVIDING THE SAND. ANY DAMAGES TO PEOPLESGAS FACILITIES SHALL BE THE RESPONSIBILITY OF THE INSTALLING UTILITY AND THEIRCONTRACTOR(S). CALL 866-556-6002 IMMEDIATELY FOR ANY DAMAGES TO THE GAS FACILITIES.ALL GAS FACILITIES ARE TO BE MAINTAINED.

3. HAND EXCAVATION IS REQUIRED TO LOCATE AND EXPOSE GAS MAIN(S) PRIOR TO CROSSING ANDWORKING WITHIN 3 FEET OF ALL GAS FACILITIES. CONTACT SHOP ENGINEERING SUPERVISOR TOINSPECT GAS MAIN AND COATING INTEGRITY PRIOR TO BACKFILL.

4. PEOPLES GAS CAST IRON AND DUCTILE IRON GAS MAINS MAY REQUIRE SUPPORT DURINGCONSTRUCTION AND RELATED EXCAVATION ACTIVITIES. ANY EXPOSED JOINTS MUST BESUPPORTED AND CAST IRON JOINTS SEALED BY GAS COMPANY PERSONNEL. CONTACT SHOPENGINEERING SUPERVISOR A MINIMUM OF 5 BUSINESS DAYS PRIOR TO EXCAVATION TO SET UPON-SITE INSPECTION. INSPECTION BY PEOPLES GAS IS REQUIRED PRIOR TO BACKFILL.

5. DIRECTIONAL DRILLING IS CONSIDERED A HIGH RISK EXCAVATION AS DETERMINED BY PHMSAAND NTSB; AS SUCH SPECIAL CONSIDERATIONS SHALL TAKE PLACE NEAR NATURAL GASDISTRIBUTION LINES. USE EXTREME CAUTION NEAR ALL GAS FACILITIES DURING CONSTRUCTIONAND RELATED EXCAVATION ACTIVITIES. HAND DIG PER REQUIRMENTS ABOVE AND MAINTAINHORIZONTAL AND VERTICAL CLEARANCES NOTED ABOVE. CONTRACTOR MUST OBSERVE BOREHEAD WHILE CROSSING GAS FACILITIES AND VERIFY THAT MINIMUM VERTICAL CLEARANCE ISOBTAINED. LOCATIONS OF EXISTING GAS FACILITIES MUST BE VERIFIED AT SUFFICIENT INTERVALS,OR A MAX OF DISTANCE OF 50FT, WHEN PARALLELING TO ENSURE SEPARATION IS MAINTAINED.CONTACT SYSTEM INTEGRITY OPERATIONS SUPERVISOR A MINIMUM OF 5 BUSINESS DAYS PRIORTO EXCAVATION TO SET UP ON-SITE INSPECTION.

6. NORTH SHOP: NORTH OF CHICAGO AVE/ASHLAND AVE /NORTH AVE BILL MCCAFFERTY, 773-794-6891CENTRAL SHOP: SOUTH OF CHICAGO AVE/ ASHLAND AVE / NORTH AVE TONORTH OF 87TH ST / ASHLAND AVE / CHICAGO RIVER / CERMAK RD CRISS REDMOND, 312-756-9796SOUTH SHOP: SOUTH OF 87TH ST / ASHLAND AVE / CHICAGO RIVER / CERMAK RD JACOB WEBER, 773-672-6271

COMED TRANSMISSION

1. USE EXTREME CAUTION NEAR COMED FACILITIES. HAND DIG WHILE CROSSING 69/138/345 kV TRANSMISSION LINES. COMED TRANSMISSION SHALL BE NOTIFIED 2 BUSINESS DAYS PRIOR TO THE START OF WORK. TO SCHEDULE AN ONSITE INSPECTOR DURING CONSTRUCTION,CONTACT LESLIE PASCHAL AT (630) 437-4767.

CDOT DIVISION OF ELECTRICAL OPERATIONS1. CAUTION! THE DEO HAS FACILITIES IN THE PARKWAY AND/OR THE STREET. THE CONTRACTOR IS

DIRECTED TO EXERCISE CAUTION DURING CONSTRUCTION AND/OR EXCAVATION. THE CONTRACTORASSUMES ALL LIABILITY FOR ANY DAMAGES TO DEO FACILITIES. CONTACT "DIGGER" AT 312-744-7000A MIN. OF 48HR'S PRIOR TO ANY EXCAVATION. THE CONTRACTOR IS TO HAND DIG AROUND ANDSUPPORT IN PLACE ANY BUREAU OF ELECTRICITY FACILITIES ENCOUNTERED. IF THE CONTRACTORDETERMINES THAT DEO FACILITIES NEED TO BE ADJUSTED, IT IS THE CONTRACTORS RESPONSIBILITYTO CONTACT MR. MOHAMMED RASHED AT 312-746-4636 A MINIMUM OF (3 WEEKS IN ADVANCE).

BURIED STREET CAR TRACKS1. BURIED/ABANDONED STREETCAR TRACKS MAY BE PRESENT. EXACT LOCATIONS ARE UNKNOWN.

IF SHOWN ON THE PLANS, LOCATIONS ARE APPROXIMATED BASED ON BEST AVAILABLEINFORMATION. CONTRACTOR TO VERIFY PRESENCE AND LOCATION OF BURIED STREETCAR TRACKS.

2. CAUTION MUST BE EXERCISED WHEN EXCAVATING NEAR BURIED STREETCAR TRACKS. MEMBERS OFTHE CHICAGO AREA JOINT ELECTROLYSIS COMMITTEE MAY USE STREETCAR TRACKS AS NEGATIVECABLE.CONTRACTOR MUST CONTACT MR. YOUSSEF TABIB OF COMED AT (630) 576-6952 BEFORECUTTING OR REMOVING ANY BURIED STREETCAR RAILS.

BUS ROUTES

1. CONTRACTOR TO NOTIFY CTA AT LEAST (2) TWO WEEKS IN ADVANCE OF ANY SIDEWALK, LANE, ORSTREET CLOSURES THAT COULD IMPACT CTA BUS SERVICE, INCLUDING ANY REMOVAL OF ANY BUSSTOP SIGNS, SO THAT SO THAT CTA CAN FACILITATE ANY NECESSARY DETOURS OR BUS STOPRELOCATIONS NEEDED. CONTACT MR. JACK CHALABIAN, COORDINATOR, TRAFFIC PLANNING,(312) 681-4176.

2. FOR CHANGES IN TRAFFIC PATTERNS THAT INCLUDE CTA BUS ROUTES, MAINTAIN MIN. 11' WIDELANES FOR CTA BUS TRAFFIC.

STREETSCAPE CONSIDERATIONS - DO NOT DISTURB ANY SIDEWALK MEDALLIONS, PLANTS, PAVERS ORANY OTHER STREETSCAPE ELEMENTS.IF IT IS NECESSARY TO DISTURB ANY OF THESE ELEMENTS, CONTRACTOR TO CALL BRIDGET STALLA(312-742-1259) AT LEAST 48 HOURS PRIOR TO ANY PLANNED PROPOSED IMPACT.

FORESTRY

1. TREE PROTECTION MEASURES:AT A MINIMUM, NEED TO INCLUDE ORANGE SNOW FENCE TO BE INSTALLED ALONG BACKOF THE CURB-LINE, 10 FEET FROM THE BACK OF THE CURB-LINE AND AT A DISTANCEOF 5 FEET FROM EITHER SIDE OF THE TREE. IF TRIMMING IS REQUIRED FOR LINEINSTALLATION, IT WILL BE DONE BY AN INSURED TREE SERVICE COMPANY. TRIMMING WILLBE DONE IN ACCORDANCE TO AMERICAN NATIONAL STANDARDS INSTITUTE GUIDELINES,LEAVING THE FORM AND STRUCTURE OF THE TREES INTACT.

2. WHERE REQUIRED, PROPOSED UTILITY WILL TUNNEL UNDER ANY TREES PER BUREAU OFFORESTRY SPECIFICATIONS.TUNNELING SPECIFICATIONS:

TREE SIZE * TUNNEL/TRENCH DISTANCE< 10" 5 FEET (10' TOTAL) 10" TO 19" 10 FEET (20' TOTAL) > 19" 15 FEET (30' TOTAL)* DBH = DIAMETER AT BREAST HEIGHT (4.5')WHERE TUNNELING IS NOT FEASIBLE, AIR SPADE EXCAVATION OR HAND DIGGING WITH THERETENTION OF ROOTS LARGER THAN 2 INCHES WOULD BE ACCEPTABLE FOLLOWING THESAME DISTANCE SPECIFICATIONS AS TUNNELING.

STAY OUT OF THE DRIPLINE.STOP TRENCHING WHEN ROOTS OF 2-INCHES OR LARGER ARE ENCOUNTERED.CONTACT JOSEPH McCARTHY, BOF, AT (312) 746-5254.

RESTORATION

1. ALL DISTURBED AREAS SHALL BE RESTORED BY THE CONTRACTOR ACCORDING TO THELATEST CITY OF CHICAGO DEPARTMENT OF TRANSPORTATION (CDOT) RULES AND REGULATIONS.CONTRACTOR TO MATCH EXISTING PAVEMENT AND SIDEWALK JOINTS AND MATCH COLOR,TEXTURE, AND FINISH OF EXISTING SIDEWALKS, CURBS, AND CURB AND GUTTER.

2. ADA RAMP CONSTRUCTION TO FOLLOW THE LATEST CDOT ADA CONSTRUCTION STANDARDS,AVAILABLE ON THE CITY'S WEBSITE.

3. THE CONTRACTOR IS TO REMOVE AND RESTORE STREET PAVEMENT TO THE EXTENTS REQUIREDBY CDOT RULES AND REGULATIONS.

4. CONTRACTOR TO REMOVE AND REINSTALL OR REPLACE ANY APPURTENANCES AFFECTED BYHIS CONSTRUCTION, INCLUDING BUT NOT LIMITED TO SIGNS, TRAFFIC SIGNALS, MAILBOXES,METERS, CITY LIGHTS, CONTROLLER BOXES/CABINETS, BENCHES, CANOPIES, AND PLANTERS,AND SHALL COORDINATE WITH CDOT PRIOR TO ANY REMOVAL OF SAID ITEMS. CONTRACTORSHALL ALSO BE RESPONSIBLE FOR ANY PERMITS OR FEES ASSOCIATED WITH THIS WORK.

5. ALL AREAS DAMAGED BY THE CONTRACTOR'S WORK SHALL BE REPAIRED BY THE CONTRACTORAT HIS EXPENSE AND SHALL BE MADE IN ACCORDANCE WITH CDOT RULES AND REGULATIONS.

6. IT IS CALLED TO THE CONTRACTOR'S ATTENTION THAT AREAS OF VAULTED SIDEWALK AREPRESENT WITHIN THE CITY OF CHICAGO AND MAY NOT BE SHOWN ON THE PLANS. FORSIDEWALK RESTORATION IN AREAS WHERE VAULTED SIDEWALK IS SUSPECTED, CONTRACTORTO COORDINATE WITH ADJACENT BUILDING OWNER(S) PRIOR TO ANY EXCAVATION TODETERMINE PRESENCE AND EXTENTS OF POSSIBLE VAULT AREA BENEATH SIDEWALK.RESTORATION OF VAULTED SIDEWALK AREAS REQUIRES DESIGN SIGNED AND SEALED BYAN ILLINOIS LICENSED STRUCTURAL ENGINEER AND SHALL BE COORDINATED WITH COMED.

TRAFFIC CONTROL

1. THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS TO ENSURE SAFETY OFPEDESTRIANS, ALL PEOPLE ON THE WORK SITE, INCLUDING CONTRACTOR'S OWN PERSONNEL ORSUBCONTRACTORS, VEHICULAR TRAFFIC AND ADJACENT PROPERTY THROUGHOUT THE DURATIONOF THE PROJECT, INCLUDING SAFELY SECURING THE SITE WHEN NOT PRESENT.

2. ALL SIGNING MUST BE IN ACCORDANCE WITH THE APPLICABLE PROVISIONS OF THE STATE OFILLINOIS "STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION," LATEST EDITION,THE DETAILS IN THESE PLANS, THE LATEST EDITION OF THE IDOT BUREAU OF DESIGN ANDENVIROMENT HIGHWAY STANDARDS AND THE LATEST EDITION OF THE "MANUAL ON UNIFORMTRAFFIC CONTROL DEVICES".

3. LONGITUDINAL DIMENSIONS SHOWN ON THESE PLANS MAY BE ADJUSTED TO FIT FIELD CONDITIONSAS DIRECTED BY THE ENGINEER.

4. THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT ALL BARRICADES, SIGNS, LIGHTS ANDOTHER DEVICES INSTALLED BY HIM ARE IN PLACE AND OPERATING 24 HOURS EACH DAYINCLUDING SUNDAYS AND HOLIDAYS DURING THE TIME THIS CONSTRUCTION IS IN EFFECT.

5. ALL EXISTING SIGNING THAT IS NOT APPLICABLE WHILE THE CONSTRUCTION IS IN EFFECT MUSTBE COMPLETELY COVERED BY THE CONTRACTOR.

6. THE SIZES OF ALL SIGNS NOT SPECIFIED IN THESE PLANS MUST BE AS REQUIRED BY THEMANUAL ON UNIFORM TRAFFIC CONTROL DEVICES.

7. AS A MINIMUM, ALL AMBER FLASHING LIGHTS THAT ARE REQUIRED MUST MEET THE REQUIREMENTSFOR TYPE A - LOW INTENSITY FLASHING LIGHTS IN ARTICLE 702.04 OF THE STANDARDSPECIFICATIONS. ALL LIGHTS SHALL OPERATE DURING HOURS OF DARKNESS. ONLY LIGHTS THATHAVE BEEN APPROVED BY THE IDOT MUST BE USED.THE CONTRACTOR MUST MAINTAIN ACCESS TO ALL PRIVATE AND COMMERCIAL DRIVEWAYSAT ALL TIMES VIA STAGED CONSTRUCTION AS NEEDED. SEE IDOT DISTRICT ONESTANDARD TC-10.

8. ALL HAZARDS, DITCHES, TRENCHES, EXCAVATIONS, ETC. NEAR OR ADJACENT TO WALKWAYSMUST BE CLEARLY DELINEATED AND ADEQUATELY PROTECTED FROM MOTOR VEHICLE ORPEDESTRIAN TRAFFIC AND FREE OF ANY OBSTRUCTIONS AND HAZARDS SUCH AS HOLES,DEBRIS, MUD, CONSTRUCTION EQUIPMENT, STORED MATERIALS, ETC..

9. WHERE A HANDICAPPED PEDESTRIAN RAMP IS RESTRICTED DUE TO CLOSURE, OR IN ANYLOCATION WHERE NEEDED TO MAINTAIN PEDESTRIAN TRAFFIC, TEMPORARY RAMPS AND/ORWALKWAYS MEETING ADA GUIDELINES SHALL BE INSTALLED BY THE CONTRACTOR PER CDOTSTANDARDS.

10. PROPOSED MAINTENANCE OF TRAFFIC SIGNING MUST BE COVERED OR REMOVED WHEN NOTREQUIRED DURING A SPECIFIC STAGE OF CONSTRUCTION.

11. SEE SUGGESTED MAINTENANCE OF TRAFFIC PLAN FOR SUGGESTED SIGNING.

12. CHANGEABLE MESSAGE SIGNS TO BE PROVIDED AT CDOT'S DIRECTION.

13. THE CONTRACTOR MUST CONDUCT HIS WORK IN SUCH A MANNER THAT EMERGENCYVEHICLES WILL HAVE ACCESS TO THE AREA AT ALL TIMES.

14. THE CONTRACTOR MUST NOTIFY CDOT AND/OR IDOT BUREAU OF TRAFFIC AS REQUIRED 72HOURS IN ADVANCE OF BEGINNING WORK.

15. SIGN SPACING SHALL BE PER IDOT DISTRICT ONE DETAIL TC-21.

16. WORK SHALL NOT TAKE PLACE WITHOUT REQUIRED TRAFFIC CONTROL DEVICES ANDBARRICADES IN PLACE PER M.U.T.C.D. ANY DEFICIENCY OF SAFETY OR TRAFFIC CONTROLDEVICES SHALL BE JUST-CAUSE TO STOP THE PROJECT UNTIL SUCH TIME AS THEDEFICIENCY IS CORRECTED.

12.7' 23.3' 8.0'5.5'

67.0'

16.0'

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6" ST6" ST

4" S

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MH #0384145

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CE

CE

CE

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(2-T)

(6- T

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(24-

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(4-S

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(4-S

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(2-M

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ADA

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A

ADA

AD

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SIDE

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MC

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1012 W. RANDOLPH ST.


158 N

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12"

8" D

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MH#0384143

MH#0384068

(2-T)(2-T)

(6-T

)

(6-T)

(6-T)

(2-T)

(6-T)

E

)

)

AT

AT

MH#13708

MH#5432

AT

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(24-

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TD)

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115 N. CARPENTER ST.

W. RANDOLPH ST.

16.4'

0.00

5.00

10.00

15.00

0+00 0+50 1+501+00

20.00

COMED

MH# 0384068

8"

WATER

54"

SEWER

6"

GAS

DEO

(2-D)

DEO

(2-D)

12"

WATER

DEO

(2-D)

DEO

(2-D)

0.00

5.00

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20.00

FACE OFCURB

EXISTINGGRADE

POTENTIAL BURIEDCTA ABANDON TRACKS

2.5' 3.5'

1.8' 3.0'

1.6'

7.8'7.4'

2.2'7.6'

8.6'

PLAN & PROFILE

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PLAN VIEW

SCALE 1" = 20'

ALL PLAN VIEW BENDS ARERADIUS = 4.0' UNLESSSPECIFIED OTHERWISE.

BEGIN CONSTRUCTION OF 8-5"PVC CONDUIT AT EXISTINGCOMED MH# 0384068 PER

COMED SPECIFICATION C4231.STA: 0+00

END CONSTRUCTION BY STUBBING 8-5"PVC CONDUITS AT NORTH LINE OFW. RANDOLPH ST FOR CUSTOMERCONNECTION.STA: 1+83

183 LINEAR FEET OF PROPOSED 8-5"PVC CONDUIT INSTALLED VIA 3'WIDTH OPEN-CUT TRENCH PERCOMED SPECIFICATION C4090.

END CONSTRUCTION BY STUBBING 8-5"PVC CONDUITS AT NORTH LINE OFW. RANDOLPH ST FOR CUSTOMERCONNECTION.STA: 1+83

BEGIN CONSTRUCTION OF 8-5"PVC CONDUIT AT EXISTINGCOMED MH# 0384068 PER

COMED SPECIFICATION C4231.STA: 0+00

PEOPLES GAS FACILITIES ARE PRESENT WITHIN AREA OF CONSTRUCTION. USEEXTREME CAUTION NEAR ALL GAS FACILITIES DURING CONSTRUCTION ANDRELATED EXCAVATION ACTIVITIES. HAND EXCAVATION IS REQUIRED TO FIELDVERIFY THE HORIZONTAL AND VERTICAL LOCATION OF GAS MAIN(S) PRIOR TOCROSSING AND WORKING WITHIN 3 FEET OF ALL GAS FACILITIES. A MINIMUMOF 3' HORIZONTAL EDGE TO EDGE CLEARANCE IS REQUIRED FOR GAS MAINSWITH DIAMETERS OF 16" OR SMALLER, AND 5FT EDGE TO EDGE CLEARANCEFOR GAS MAINS WITH DIAMETERS 18" AND LARGER. MAINTAIN A MINIMUMOF 18” EDGE TO EDGE VERTICAL CLEARANCE ON GAS MAINS 16" OR LESS INDIAMETER, AND 24" EDGE TO EDGE VERTICAL CLEARANCE ON 18" AND LARGERDIAMETER GAS MAINS. CONTACT DIGGER 312-744-7000 FOR LOCATES 48HOURS PRIOR TO START OF CONSTRUCTION.

THE USE OF CONCRETE, FLOW FILL, OR THE LIKE IS PROHIBITED WITHIN 24INCHES OF ALL GAS FACILITIES, NOR SHALL IT ENCASE ANY GAS FACILITY. ABUFFER OF 24" SAND IS TO BE USED BETWEEN FLOW FILL AND ALL GASFACILITIES. A MINIMUM OF 6” FA-02 OR FM-02 SAND SHALL BE USED WHENBACKFILLING OTHER MATERIALS AROUND ANY EXPOSED GAS FACILITY.CONTRACTOR EXPOSING GAS FACILITY IS RESPONSIBLE FOR PROVIDING THESAND. ANY DAMAGES TO PEOPLES GAS FACILITIES SHALL BE THERESPONSIBILITY OF THE INSTALLING UTILITY AND THEIR CONTRACTOR(S). NOTIFY CENTRAL SHOP ENGINEER, ERNEST CRAFTON, 773-542-7867,IMMEDIATELY FOR ANY DAMAGES TO THE GAS FACILITIES. ALL GAS FACILITIESARE TO BE MAINTAINED.

USE EXTREME CAUTION WHEN EXCAVATING / DIGGING NEAR EXISTING UTILITIES.

A

A

A A

21

11

22

12

23

13

CONSTRUCTION MAY REQUIRE REMOVAL AND DISPOSAL OF ABAND. CTA TRACKS.

SEE ADDITIONAL CDWM IEPA SEPARATION NOTES ONGENERAL NOTES, SHEET 3, UNDER "CHICAGO DEPARTMENTOF WATER MANAGEMENT, BULLET NUMBER 9.

183 LINEAR FEET OF PROPOSED 8-5"PVC CONDUIT INSTALLED VIA 3'WIDTH OPEN-CUT TRENCH PERCOMED SPECIFICATION C4090.

PROFILE VIEW

SCALE 1" = 20' HORIZONTAL

SCALE 1" = 5' VERTICAL

24

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RESTORATION VIEW

SCALE 1" = 20'

TOTAL RESTORATION MATERIAL

CONCRETE DRIVEWAY:00 SF00 SF

00 SF

00 SF00 SF

00 SF00 SF

5784 SF9959 SF

00 LFCURB & GUTTER:

RESPONSIBILITY OF OTHER:

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CONCRETE ALLEY:

CONCRETE ALLEY APRON:

PARKWAY:

APPROX. 5784 SQUARE FEET OF ASPHALTSTREET RESTORATION

RESTORATION TO BE COMPLETEDBY OTHERS UNDER PRA 2020-222

RESTORATION SUBJECT TO CHANGE PERSIGNED PRA FOR CONFLICT 2020-222

PROPOSEDTRENCH AREA

RESTORATION SUBJECT TO CHANGE PERMOU 2021-272

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180'TRANSITION

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14' WORK AREA12' LANE

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NOTES:

1. CONTRACTOR SHALL NOTIFY RESIDENTS AND BUSINESSES OF ON-STREET PARKING CLOSURES.2. TRAFFIC CONTROL FOR THIS PROJECT SHALL BE DONE IN ACCORDANCE WITH THE CITY OF CHICAGO DEPARTMENT OF TRANSPORTATION'S "RULES AND

REGULATIONS FOR CONSTRUCTION IN THE PUBLIC WAY."3. THE CONTRACTOR IS RESPONSIBLE FOR THE MAINTENANCE OF TRAFFIC AND SHALL PROVIDE MATERIALS AND SIGNS TO INFORM AND PROTECT PEDESTRIANS.4. ALL TRAFFIC CONTROL DEVICES SHALL BE IN PLACE PRIOR TO WORK COMMENCING5. TRAFFIC CONTROL DEVICES SHALL CONFORM TO SECTION 701 OF THE ILLINOIS DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS FOR ROAD

AND BRIDGE CONSTRUCTION, ADOPTED APRIL 1, 2016.6. TRAFFIC CONTROL DEVICE DETAILS CAN BE FOUND IN ILLINOIS DEPARTMENT OF TRANSPORTATION'S STANDARD NO. 701901-077. A 7 FOOT CLEARANCE FROM THE BOTTOM OF THE SIGN TO THE TOP OF PAVEMENT IS REQUIRED FOR SIGNS THAT WILL BE IN PLACE FOR MORE THAN 4 DAYS,

AND SHALL BE POST MOUNTED IN THE GROUND WHENEVER POSSIBLE.8. MAINTAIN ACCESS TO DRIVEWAYS AT ALL TIMES. SEE IDOT DISTRICT ONE.9. CONTRACTOR SHALL RESTORE ALL TRAFFIC LANES TO NORMAL TRAFFIC PATTERN DURING NON-WORK HOURS UNLESS OTHERWISE DIRECTED.10. SECURE ALL OPENINGS DURING NON-WORK HOURS.

LEGEND

CONSTRUCTION DRUMEXISTING TRAFFIC DIRECTIONPROPOSED TRAFFIC DIRECTIONPROPOSED WORK AREA

TYPICAL CROSS SECTIONFOR S. CARPENTER ST. - FACING SOUTH

(NORTH OF W. RANDOLPH ST.)

15'MIN.13' MIN.

12'MIN.

CONSTRUCTION DRUM

WORKAREA

TYPICAL CROSS SECTIONFOR S. CARPENTER ST. - FACING NORTH

(SOUTH OF W. RANDOLPH ST.)

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LEGEND



35'LANE

24'WORKAREA 12'12' MIN.

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(NORTH OF W. RANDOLPH ST.)

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(SOUTH OF W. RANDOLPH ST.)

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BAH

HJM

HJMACS

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An Exelon Company


148


NOTES:





LEGEND



5'35'

LANE12' MIN.

42'WORKAREA

35'LANE


R9-11a

SIDEWALK CLOSED

CROSS HERE

R9-11a

SIDEWALK CLOSED

CROSS HERE

W. RANDOLPH ST.

N. C

ARPE

NTE

R ST

.

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0

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50

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10

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100'

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100'

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ROAD WORK AHEAD

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W20-1

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W1-3R

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M4-9b(L)

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DETOUR

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DETOUR

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W4-2R

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200'

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W20-1

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RIGHT LANE CLOSED AHEAD

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RIGHT LANE CLOSED AHEAD

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W20-5R

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200'

135'TRANSITION

TAPERAREA

18' WORK AREA

17' LANE

SHEET: OF

D

21 3 4 5 6 7

21 3 4 5 6 7

E

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C

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A

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A



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BAH

HJM

HJMACS

12/08/2020AS SHOWN




An Exelon Company


149


NOTES:





LEGEND



12'

18'WORKAREA12' MIN 12'12' MIN.

35'LANE

CONSTRUCTION DRUMRAISED MEDIAN

RAISED MEDIAN

17' MIN.

R9-11a

SIDEWALK CLOSED

CROSS HERE

R9-11a

SIDEWALK CLOSED

CROSS HERE

W. RANDOLPH ST.

N. C

ARPE

NTE

R ST

.

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0

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M4-9b(L)

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DETOUR

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M4-9b(R)

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DETOUR

35' LANE

12' MEDIAN

12' LANE

12' MEDIAN

27' LANE

12' LANE

8' TEMP WALK

16' LANE16' LANE

8' TEMP WALK

SHEET: OF

D

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E

D

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A



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BAHBAHABM

BAH

HJM

HJMACS

12/08/2020AS SHOWN




An Exelon Company


1410


NOTES:





TEMPORARY TRAFFIC BARRIER

LEGEND


PROPOSED TEMP WALK


12'

18'TEMPWALK12' MIN 12'12' MIN.

35'LANE

TRAFFIC BARRIERRAISED MEDIAN RAISED MEDIAN

27' MIN.

DETAIL 2TYPICAL HANDICAP ACCESS TO TEMPORARY WALKWAY DETAIL

NOT TO SCALE

4' X 4' LEVELLANDING AREA

7' RAMP AT1:14 SLOPE

TOP OF CURB

FACE OF CURB

STREET/GRADE

4' X 4' LEVELLANDING AREA

7' RAMP AT1:14 SLOPE

SECTION A-A

141

TEMPORARY PEDESTRIAN WALKWAYSEE DETAIL 2.

W. RANDOLPH ST.

N. C

ARPE

NTE

R ST

.

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A

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A

COMED DETAILS

SHEET: OF

D

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BAHBAHABM

BAH

HJM

HJMACS

12/08/2020AS SHOWN




An Exelon Company


1411

COMED CONSTRUCTION NOTES - DISTRIBUTION

1. USE EXTREME CAUTION NEAR COMED FACILITIES. HAND DIG WHILE CROSSING 69/138/345 kV

TRANSMISSION LINES. COMED TRANSMISSION SHALL BE NOTIFIED 2 BUSINESS DAYS PRIOR TO

THE START OF WORK. TO SCHEDULE AN ONSITE INSPECTOR DURING CONSTRUCTION, CONTACT

LESLIE PASCHAL AT (630) 437-4767.

2. THE CONTRACTOR SHALL PROVIDE ALL MATERIAL, LABOR AND EQUIPMENT REQUIRED TO

FURNISH AND INSTALL THE WORK AS DESCRIBED HEREIN, AND SHALL BE RESPONSIBLE

FOR ALL JOB SITE DELIVERY COSTS AND UTILITY RELOCATION CHARGES AS REQUIRED.

3. PRIOR TO EXCAVATION, THE CONTRACTOR SHALL SAWCUT EDGES OF PROPOSED TRENCH

AND MARK THE PROPOSED CONDUIT ROUTE ON THE PAVEMENT SURFACE. IN UNPAVED

AREAS THE TRENCH SHALL BE MARKED OFF BY MEANS OF A CHALK LINE.

4. PRIOR TO THE START OF WORK, THE CONTRACTOR SHALL VERIFY LOCATIONS OF ANY

OVERHEAD OBSTRUCTIONS. PRIOR TO EXCAVATION, THE CONTRACTOR SHALL PERFORM

TEST HOLES AS NEEDED ALONG PROPOSED CONDUIT ROUTE AND AT PROPOSED OR

EXISTING MANHOLE LOCATIONS TO VERIFY HORIZONTAL AND VERTICAL LOCATION OF

EXISTING UTILITIES.

5. CONTRACTOR TO OVER-EXCAVATE 3-INCHES ALL AROUND PROPOSED STRUCTURES

AND CONDUIT.

6. THE CONTRACTOR IS RESPONSIBLE FOR SUPPORTING THE TRENCH OR EXCAVATION

IN ACCORDANCE WITH OSHA REGULATIONS IN ORDER TO PREVENT TRENCH SIDES

FROM CAVING IN. TRENCH/EXCAVATION SUPPORT SHALL BE SUITABLE TO FIELD

CONDITIONS AND SHALL BE DESIGNED, SUPPLIED, AND INSTALLED BY THE CONTRACTOR

AND SHALL BE APPROVED BY COMED.

7. WHERE EXCAVATION REQUIRES SHORING, THE CONTRACTOR SHALL INSTALL A 6"

CONCRETE MUDSLAB AT THE BASE OF EXCAVATION. CONTRACTOR SHALL DESIGN

AND PLACE SHORING SO AS NOT TO CUT OFF ANY EXISTING UTILITIES.

8. THE CONTRACTOR SHALL DEWATER ALL EXCAVATIONS SO THAT THE GROUNDWATER

TABLE REMAINS BELOW THE BASE OF EXCAVATION.

9. THE CONTRACTOR SHALL REMOVE ALL EXCAVATED MATERIAL ON A DAILY BASIS.

STOCKPILING OF MATERIAL IS NOT ALLOWED.

10. THE CONTRACTOR SHALL THOROUGHLY INSPECT ALL EXCAVATIONS PRIOR TO INSTALLING

PROPOSED CONDUIT OR STRUCTURES. ANY EXISTING INFRASTRUCTURE IN CONFLICT

SHALL BE VERIFIED ABANDONED BY THE CONTRACTOR AND REPORTED TO COMED,

THE UTILITY, AND THE ENGINEER OF RECORD PRIOR TO REMOVAL.

11. THE CONTRACTOR SHALL ASSUME ALL CABLES ARE ENERGIZED AND MUST BE

SUPPORTED SO AS NOT TO STRESS ANY PART OF THE CABLE.

12. THE CONTRACTOR SHALL CLEAN ALL DEBRIS FROM MANHOLES WORKED IN, INCLUDING ANY

DEBRIS PRESENT IN EXISTING MANHOLES PRIOR TO THE START OF WORK. CONTRACTOR TO

PUMP MANHOLES EACH DAY AS REQUIRED.

13. THE CONTRACTOR SHALL NOTIFY COMED AND THE ENGINEER OF RECORD WHEN PROPOSED

DEPTH OF EXCAVATION EXCEEDS THE DEPTH SHOWN ON THE PLANS. CONTRACTOR SHALL

ALSO NOTIFY THESE PARTIES WHEN THE REQUIRED HORIZONTAL AND/OR VERTICAL

SEPARATION FROM EXISTING UTILITIES CANNOT BE MAINTAINED. IN THESE SITUATIONS,

WORK SHALL NOT PROCEED UNTIL DIRECTION IS GIVEN BY COMED.

OWNER:

COMMONWEALTH EDISON (COMED)EVAN WALKER3500 N. CALIFORNIA AVE.CHICAGO, IL [email protected](779) 231-1617

ENGINEER:

DB STERLIN CONSULTANTS, INC.HANNAH MARTENS123 N. WACKER DRIVE, SUITE 2000CHICAGO, IL [email protected](312) 857-1006

TYPICAL 8 DUCT PVC PACKAGE NOT TO SCALE

CONCRETEENCASEMENT

AutoCAD SHX Text

5" PVC

CONST. DETAILS 1

SHEET: OF

D

21 3 4 5 6 7

21 3 4 5 6 7

E

D

C

B

A

E

C

B

A



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BAHBAHABM

BAH

HJM

HJMACS

12/08/2020AS SHOWN




An Exelon Company


1412

CONST. DETAILS 2

SHEET: OF

D

21 3 4 5 6 7

21 3 4 5 6 7

E

D

C

B

A

E

C

B

A



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BAHBAHABM

BAH

HJM

HJMACS

12/08/2020AS SHOWN




An Exelon Company


1413

TRENCH SHORING DETAILS

SHEET: OF

D

21 3 4 5 6 7

21 3 4 5 6 7

E

D

C

B

A

E

C

B

A



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BAHBAHABM

BAH

HJM

HJMACS

12/08/2020AS SHOWN




An Exelon Company


1414

3.0'MAX

11.0'

1.0' 5.0' MAX. (TYP.) 5.0' MAX. (TYP.)

6" x 6" x 1 4" P (TYP.)(SEE NOTE 10)

L8" x 8" (NOMINAL) HARDWOODWALERS (TYP.) (SEE NOTE 2)

4" x 8" HARDWOOD TIMBER SHEETING(ROUGH CUT) (SEE NOTES 2 AND 9)

THREADED SCREW JACK SCHEDULE80 21

2" Ø STEEL PIPE STRUTS (TYP.)(SEE NOTE 4)

TYPICAL TIMBER 8'-7" TRENCH SHORING PLAN

TYPICAL TIMBER 8'-7" TRENCH SHORING ELEVATION

6" x 6" x 1 4" P (TYP.)(SEE NOTE 10)

L

8" x 8" (NOMINAL) HARDWOODWALERS (TYP.) (SEE NOTE 2)

FINISHED BASE OF EXCAVATION

BASE OF EXCAVATION

6" CONCRETE MUD SLAB TO BEINSTALLED SAME DAY AS BASEOF EXCAVATION IS REACHED(SEE NOTE 12)

EXISTING GRADE EXISTING GRADE

8.6'MAX

0.5'

SHEETING SHALL BE MAINTAINEDAT BASE OF EXCAVATION AT ALL

TIMES. NO EMBEDMENT REQUIRED.

2.5'

2.5'

2.1'

4" x 8" HARDWOODTIMBER SHEETING(SEE NOTE 2 & 9)

3.0' MAX

1.0'

07-01-2021HAN

NAH J._

MARTENS062-059491

REGISTEREDPROFESSIONAL

ENGINEEROF

ST

A

T E O F I L L I N

OI S

SIGNATURE

DATE

PROFESSIONAL ENGINEEREXPIRES 11-30-2021

TRENCH SHORING NOTES:1) TO ENSURE PROTECTION OF EXISTING UTILITIES, REFER TO PERTINENT INSTALLATION DRAWINGS FOR PROTECTION REQUIREMENTS.

CONTRACTOR TO PROVIDE PROTECTION OF EXISTING INFRASTRUCTURE PER CDOT AND SPECIFIC INFRASTRUCTURE OWNERSPECIFICATIONS. CONTRACTOR TO FIELD VERIFY HORIZONTAL & VERTICAL LOCATIONS OF ALL EXISTING UTILITIES.

2) TIMBER SHALL HAVE A MINIMUM EXTREME FIBER BASIC BENDING STRESS OF 1350 PSI (SHEETING) AND 1,600 PSI (TIMBER WALERS).BASIC STRESS VALUES ARE ALLOWABLE STRESS VALUES BEFORE SIZE AN USAGE COEFFICIENTS ARE APPLIED IN ACCORDANCE WITH THEAMERICAN FOREST & PAPER ASSOCIATION NATIONAL DESIGN SUPPLEMENT (2005).

3) CONTRACTOR TO ADEQUATELY SUPPORT THE SCHEDULE 80 THREADED SCREW JACKS TO MAINTAIN THE INTEGRITY OF THE SHORINGSYSTEM FOR DUCT PACKAGE INSTALLATION AND FOR SAFETY OF WORKERS IN AND AROUND THE INSTALLATION. THE 2.5" Ø SCREW JACKPIPE STRUTS WILL BE PRELOADED OR TIGHTENED TO MINIMIZE ADJACENT GROUND MOVEMENT.

4) IF NECESSARY, LOCATE WALERS AND SCREW JACK PIPE STRUTS TO AVOID CONFLICT WITH EXISTING UTILITY CROSSING OPENINGS.SPACINGS BETWEEN ADJACENT STRUTS AND WALERS SHALL NOT EXCEED MAXIMUM SPACINGS SPECIFIED ON THIS DRAWING.

5) A SURCHARGE PRESSURE OF 250 PSF VERTICAL HAS BEEN CONSIDERED IN DESIGN. ENGINEER SHALL BE CONTACTED IF THE VALUE ISEXCEEDED FOR THE TYPE OF EQUIPMENT THAT WILL BE USED.

6) GRADE ADJACENT TO EXCAVATION SHALL BE LEVEL. CONTRACTOR SHALL MAINTAIN NO MORE THAN ONE FOOT DIFFERENTIAL IN LEVELOF BACKFILL ON OPPOSITE SIDES OR ON ADJACENT SIDES OF SHORED EXCAVATION.

7) LIMIT EXCAVATION DEPTH NO MORE THAN 1'-0" BELOW EACH BRACING LEVEL UNTIL STRUTS ARE IN PLACE.8) NOTIFY DIGGER AT 312-744-7000 FOR UTILITY CLEARANCE 48 HOURS PRIOR TO COMMENCING EXCAVATION.9) SHEETING SHALL BE PUSHED IN WITH AN EXCAVATOR BUCKET DURING TRENCH EXCAVATION TO THE REQUIRED DEPTH. NOTIFY

ENGINEER IF MINIMUM SPECIFIED EMBEDMENT DEPTH CANNOT BE ATTAINED IN THE FIELD. SHEETING SHALL NOT BE DRIVEN IN.10) ALL STRUCTURAL STEEL PLATES SHALL CONFORM TO ASTM A36, UNLESS NOTED OTHERWISE.11) SEE INSTALLATION DRAWINGS FOR OPENING LOCATIONS.12) MUD SLAB CONCRETE SHALL HAVE A MINIMUM COMPRESSION STRENGTH OF 4,000 PSI AT 28 DAYS.13) GROUNDWATER SHALL BE MAINTAINED AT LEAST 2'-0" BELOW THE BASE OF EXCAVATION BY DE-WATERING.14) CONTRACTOR TO MAINTAIN A MINIMUM DISTANCE OF 2'-0" TO THE EDGE OF TRENCH FROM ALL CONSTRUCTION EQUIPMENT AND

TRAFFIC INCLUDING HS-20 RATED TRUCKS. ALL TRAFFIC CONTROL ARRANGEMENTS FOR EXCAVATION SHALL ALLOW FOR ADHERENCE TOMINIMUM CLEARANCE.

15) SHEETING INSTALLATION:15-A) CONTRACTOR TO INSTALL SHEETING IN TRENCH TO 5'-3" (MIN.) BELOW ELEVATION OF BRACE LEVEL B1.

CONTRACTOR TO EXCAVATE DOWN TO 1'-0" BELOW ELEVATION OF BRACE LEVEL B1 THEN INSTALL BRACE LEVEL B1 (UPPERMOST). CONTRACTOR TO BACKFILL VOIDS BEHIND SHEETING WITH SAND FILL OR GROUT.

15-B) CONTRACTOR TO PUSH SHEETING DOWN TO 4'-0" (MIN.) BELOW ELEVATION OF BRACE LEVEL B2. CONTRACTOR TO EXCAVATE DOWN TO 1'-0" BELOW ELEVATION OF BRACE LEVEL B2 THEN INSTALL BRACE LEVEL B2. CONTRACTORTO BACKFILL VOIDS BEHIND SHEETING WITH SAND FILL OR GROUT.

15-C) CONTRACTOR TO PUSH SHEETING DOWN TO 1'-0" (MIN.) BELOW ELEVATION OF BRACE LEVEL B3. CONTRACTOR TO EXCAVATE DOWN TO 1'-0" BELOW ELEVATION OF BRACE LEVEL B3 THEN INSTALL BRACE LEVEL B3. CONTRACTORTO BACKFILL VOIDS BEHIND SHEETING WITH SAND FILL OR GROUT.

15-D) CONTRACTOR TO PUSH SHEETING DOWN TO FINAL TOE ELEVATION AS SHOWN. CONTINUE EXCAVATION TO BASE OF EXCAVATIONBELOW GRADE. CONTRACTOR TO BACKFILL VOIDS BEHIND SHEETING WITH SAND FILL OR GROUT. POUR 0'-6" MUD SLAB BY THE END OF THE SHIFT ON THE SAME DAY AS THE COMPLETION OF THE FINAL EXCAVATION DEPTH.

B1

B2

B3

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