MDOTProjectwise\Documents\Reference Documents\Traffic Reference\Signals\Wayne County Special Details\Develop

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1 MDOTProjectwise\Documents\Reference Documents\Traffic Reference\Signals\Wayne County Special Details\Develop

2 Green Orange Red White-black stripe G R "" phase Blue Black "B" phase White Green-black stripe Orange-black stripe Red-black stripe G R R G R G "B" phase "" phase "C" phase G R R G "C" phase COLOR CODE FOR WIRING CONNECTING TRFFIC SIGNL LMPS No splices allowed between traffic signal head and controller. * * Main street White (neutral or common) Cross Street Bonding Green Red Black s identified Equipment grounding conductor White-black stripe * ** * ** LED PED (filled) Countdown LED PED (filled symbols) COLOR CODE FOR WIRING CONNECTING PEDESTRIN SIGNL LMPS ( WLKING PERSON - HND SYMBOL) File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR COLOR CODE WIRING/ EQUIPMENT GROUNDING DRWN BY: DJF CHECKED BY: WC of6

3 R Y G Red Orange Green White - neutral R G ", B, C & D" Phase STNDRD - 3 COLOR SIGNL DISPLY Red Orange Blue Green White - neutral SR SY FY SG ", B, C, & D" phase SR = Steady SY = Steady Yellow FY = Flashing Yellow SG = Steady Green FLSHING YELLOW RROW (FY) - 4 COLOR SIGNL DISPLY Y G R Red Orange Green Blue White-black stripe White - neutral R G Y G ", B, C, & D" phase R = Red Ball = Yellow Ball G = Green Ball Y = Yellow rrow G = Green rrow DOG HOUSE W/RIGHT TURNS - 5 COLOR SIGNL DISPLY COLOR CODE FOR WIRING CONNECTING TRFFIC SIGNL LMPS File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 WC of6

4 Bond cable at bracket assembly(s) where applicable Terminal lug in traffic/pedestrian signal Bond bushing Steel Pole or luminum Pedestal pipe Reidentify as ground per N.E.C. article 250 7/C#16 T.S. Cable 1/C#14 Green or bare ground wire to lug in pedestal base (ground wire to be circuit protected) Pedestal base Grounding Lug Schedule 80 PVC conduit #6 min. Copper ground cable Cable to Controller cabinet Use non-solder type connection For all cable poles, install 3/4" x 10'-0" ground rod(s) as shown on "ground rod installation". Connect ground rod(s) with #6 min. copper wire to messenger wire with non-solder type connection. Ground STEEL POLE/PEDESTL GROUNDING DETIL File: PW:RD/TR/Signals/Web/WC SD/Final WC-026- Rev. 10/21/14 3 of6

5 Service disconnect (Stainless Steel) Service disconnect (Stainless Steel) Pole Pole Grounding wire from service disconnect to controller Controller cabinet Grounding wire from service disconnect to controller 11' to Grade 11' to Grade Grounding wire from service disconnect to ground rod(s) Grounding wire from service disconnect to ground rod(s) Controller cabinet Grade level Grade level Handhole Handhole Base Foundation Use non-solder type connector Schedule 80 PVC conduit Ground rod(s) Use non-solder type connector Ground rod(s) GROUNDING Install 3/4 " x 10'-0" copper clad ground rod(s) as required to provide less than 10 OHM resistance to ground. Grounding wire #6 WG min. bare copper grounding wire shall be installed to meet N.E.C. and utility company specs. Ground wire from disconnect to ground rod to be in moulding (wood pole or post) or inside the pole (steel). Ground wire from disconnect to controller cabinet to be in conduit (wood pole, wood post, and steel pole). CONTROLLER CBINET GROUNDING DETIL File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 WC of6

6 Steel Pole Wood Pole Connector for Ground Wire Connector for Ground Wire Span wire Ground wire 10' min. Wood or Plastic molding Grade level Handhole Continuous ground wire from span wire to ground rod Use non-solder type connector Ground rod Continuous ground wire from span wire to ground rod Use non-solder type connector Ground rod SPN WIRE GROUNDING DETIL File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 WC of6

7 ROW Pedestal ROW H.H. Wood Pole Steel Pole H.H. Pedestal Pedestal Steel Pole TS. Controller H.H. H.H. Steel Pole ROW ROW 1) ll ground rods shall be 3/4" x 10' in length copperclad. 2) Ground rods shall be drive straight down, so that only the required portions of of the ground rod is exposed to attach the ground wires. 3) ll ground rods shall be connected to each other or to a span wire with a single #6 WG copper conductor. H.H. 4) Each ground wire attaching to a ground rod shall have its own approved acorn type connector. 5) Do not install any ground rods within 10' of any other ground rods from other grounding. 6) The grounding system shall measure 10 ohms or less. 7) separate #6 WG copper ground is required from the service disconnect (safety switch) to the ground bussbar in the controller cabinet. Wood Pole Service Disconnect lternate 8) Ground rod for each steel pole, wood pole, pedestal and/or traffic signal controller cabinet shall be located in the adjacent handhole as indicated on the plans or as directed by the Engineer. 9) ll metal bases must be connected to a ground rod with a #6 ground wire. SYSTEM GROUNDING DETL File: PW:RD/TR/Signals/Web/WC SD/Final WC-026- Rev. 10/21/14 6 of6

8 CONDUCTOR COLOR 7/C 12/C 16/C 20/C GREEN ORNGE RED WHITE W/ BLCK TRCER BLUE BLCK WHITE GREEN W/ BLCK TRCER ORNGE W/ BLCK TRCER RED W/ BLCK TRCER BLUE W/ BLCK TRCER BLCK W/ WHITE TRCER GREEN W/ WHITE TRCER RED W/ WHITE TRCER BLUE W/ WHITE TRCER BLCK W/ RED TRCER WHITE W/ RED TRCER ORNGE W/ RED TRCER BLUE W/ RED TRCER RED W/GREEN TRCER O O O GREEN O GREEN O GREEN O GREEN YELLOW O YELLOW O YELLOW O YELLOW RED O RED O RED O RED B O GREEN B O YELLOW B O RED COMMON B O GREEN B O YELLOW B O RED COMMON B O GREEN B O YELLOW B O RED COMMON B O GREEN B O YELLOW B O RED COMMON C O GREEN C O GREEN C O GREEN C O YELLOW C O YELLOW C O YELLOW C O RED C O RED C O RED CSE SIGN CSE SIGN CSE SIGN COMMON COMMON COMMON CSE SIGN CSE SIGN CSE SIGN W-1 W-1 DW-1 DW-1 W-2 W-2 DW-2 DW-2 D O GREEN D O YELLOW D O RED FLSHING YELLOW WHEN USING CBLES FOR PEDESTRIN SIGNLS, USE GREEN & RED FOR W-1WLK ND DON'T WLK, ND USE WHITE W/ BLCK TRCER ND BLCK FOR W-2 WLK ND DON'T WLK File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR COLOR CODE FOR WIRING CONNECTING SIGNL LMPS DRWN BY: CHECKED BY: WC-026-B 1 of 1

9 12 3/4" Bolt circle Pedestal 6063-T6 alloy, 4" x.237" wall schedule #/ft. spun finish. Variable Ground lug SQURE BSE BOTTOM PLN Roll pin PEDESTL Pedestal collar for square base Socket HD. bolt PEDESTL COLLR 1) Use pedestal collar for pedestal length of 14' (typical for 3-color traffic signal in combination with pedestrian signal) 3/8"x1 1/4" stainless steel set screw Top bracket assembly C/C Cover held in place with a 5/16"-18x1" Hex head 300 grade stainless steel machine screw. Frangible Square 15" Nominal Distance TYP. 10 1/2" Post top aluminum base Pedestal 13 5/8" SQURE LUMINUM BSE Bottom bracket assembly POST TOP SIGNL MOUNTING HRDWRE - STNDRD BRCKET (SLIP FITTER) TRFFIC/PEDESTRIN SIGNL MOUNTING HRDWRE File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR PEDESTL FOUNDTION ND SIGNL MOUNTING DETILS DRWN BY: CHECKED BY: WC-028-B 1 of 3

10 luminum cap (Typ) C/C Distance TYP. 10 1/2" Top bracket assembly Post top Pedestal Iron cross (Typ) luminum cap (Typ) Bottom bracket assembly Iron cross (Typ) SIGNL MOUNTING HRDWRE FOR BCKSIDE BRCKET Round 24" NOTES: 1) lternate foundation may be constructed 22"x22" square - 48" deep. 2) Grounding system shall measure 10 ohm or less to ground. 12 3/4" dia. bolt circle 3/4" anchor bolts (4 required) Ground lug 1/4" Sidewalk 2" #6 min. copper ground wire (shall be attached to inside of base). Grade level 1 1/2" 6" Below Grade (1) 1 1/2" schedule 80 PVC conduit #6 or larger standard ground wire with 18" min. slack above foundation top Handhole 48" 3/4" schedule 80 PVC conduit TS cable 36" Use non-solder type connection Bell End Ground wire (1) 1 1/2" schedule 80 PVC conduit Use non-solder type connection Gravel Ground wire 12" 3/4"x10'-0" copper clad ground rod(s). (Ground rod(s) must be installed outside of fdn. (a min. of 12" from fdn.- 6" below grade) or as directed by the Engineer.) 3/4" x 10'-0" copper clad ground rod(s) a variable distance from foundation as directed by Engineer and in accordance with the current N.E.C. HNDHOLE DETIL PEDESTL FOUNDTION WC-028-B File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 2 of 3

11 Nuts: 3/4" High Strength Hex head galvanized (4 required). 3" Washers: 3/4" diameter standard flat galvanized (8 required). 18" 3/4" diameter galvanized. 90 3" nchor bolts are to be STM -307 steel ( 4-required ) NCHOR BOLT DETIL WC-028-B File: PW:RD/TR/Signals/Web/WC SD/Final Rev. 10/21/14 3 of 3

12 Wood pole Multiconductor traffic signal cable. Sag for drip loop (9" radius min.). bove 10' above grade use plastic moulding, below 10' use 1/2" rigid steel conduit (galvanized) (grounding) Ground wire #6 WG See detail "" this sheet Plastic moulding 5/8" thru bolt See detail "" this sheet 3" metal service cap (weather head) Exterior surface of all mounting assemblies for pedestrian signals including brackets, nuts and related hardware shall be weather- resistant black enamel. 5/8" thru bolt See detail "" this sheet Galvanized steel 2 hole, rigid pipe clamp (3'-0" spacing) LED ped Min 3" rigid steel conduit (galvanized) adaptive coupling Grade level Drip loop 9'-0" Ground rod Sweep LED PED (filled) Countdown LED PED (filled symbols) 3/4" x.030" min stainless steel band (for top mounting bracket use 5/8" thru-bolt on top, use band on bottom. See "wood pole" detail this sheet) Tapped for 1-1/2" pipe 1-1/4" plastic bushing threaded into hole WOOD POLE Conduit (size of conduit as shown on plans) NOTES: 1) Rigid metal conduit must be bonded according to the current N.E.C. 2) Install 3/4" x 10'-0" copper clad ground rod (s) as required to provide less than 10 ohm resistance to ground. Install #6 min. copper wires from ground rod (s) to span wire at each supporting pole using non-solder type connections for span wire ground. 3) Use conduit size specified (min.) unless current N.E.C. indicates a larger size is required. Tapped for 1-1/4" pipe If no conduit is used use 1-1/4" pipe plug to close hole. DETIL "" 3/4" x.030" min stainless steel band File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR TYPICL POLE MOUNTED PEDESTRIN SIGNLS DRWN BY: DJF CHECKED BY: WC-029-C 1 of 4

13 Steel pole cap Steel pole Multiconductor traffic signal cable. Sag for drip loop (9" radius min.). 2" min chase nipple See detail "B" this sheet Ground wire #6 WG Exterior surface of all mounting assemblies for pedestrian signals including brackets, nuts and related hardware shall be weather- resistant black enamel. Drill 1-1/2" dia. hole in pole (screw in plastic gromet) See detail "B" this sheet LED ped Grade level ccess hand hole 9'-0" LED PED (filled) Countdown LED PED (filled symbols) Foundation STEEL POLE Conduit (size of conduit as shown on plans) 1-1/2" horizontal threaded hub 3/4" x.030" min. stainless steel band Where cable enters pole, insert 1-1/2" plastic bushing threaded into hole. DETIL "B" File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC-029-C 2 of 4

14 Oval eye nut Steel street light or concrete pole Oval eye nut Thimble Thimble bove 10' above grade use plastic moulding, below 10' use 1/2" rigid steel conduit (galvanized) (grounding) See detail "C" this sheet Multiconductor traffic signal cable. Sag for drip loop (9" radius min.). Ground wire #6 WG Plastic moulding 3" metal service cap (galvanized) See detail "C" this sheet Exterior surface of all mounting assemblies for pedestrian signals including brackets, nuts and related hardware shall be weather- resistant black enamel. Min. 3" rigid steel conduit (galvanized) LED ped 3/4" stainless steel banding (3'-0" spacing) see detail "D" sheet 4 of 4 adaptive coupling Grade level Drip loop 9'-0" Ground rod Sweep LED PED Countdown LED PED (filled) (filled symbols) Conduit (size of conduit as shown on plans) (STEEL STREET POLE OR CONCRETE POLE) 1 1/2" horizontal threaded hub 3/4" x 0.30" min. stainless steel band Tapped for 1 1/4" pipe (if no conduit is used; use 1 1/4" pipe plug to close hole) DETIL "C" File: PW:RD/TR/Signals/WC SD/Final WC-029-C Rev. 10/21/14 3 of 4

15 5/16"-20 bolt threaded 3/4" long threaded for 5/16"-20 thread 1/4"-20 bolt & nut HNGER To fit conduit size hanger as called for on plans (zinc plated) BNDING SDDLE Steel or concrete pole Stainless steel 3/4" band Stainless steel banding saddle Conduit hanger Conduit DETIL "D" TYPICL CONDUIT TTCHMENT TO STEEL OR CONCRETE POLE File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC-029-C 4 of 4

16 Entrance head Round end of the cotter key to the inside. Plastic bushing to be securely installed. Heavy Duty lock nut Bottom nut backed-off tight against cotter-key with recess down & cotter key bent Entrance head Heavy Duty lock nut Signal nut with recess down. Install serrated metal washer Signal head housing Flat washer Heavy Duty lock nut * Cotter key Threaded bracket wall Threaded bracket connection * Cotter key required as shown Standard 3-color display Flashing Yellow rrow display (FY) ONE-WY TRFFIC SIGNL HED Entrance head 1" x 1/4 " x 20 llen head (stainless steel) cone point set screw in top spider fitting luminum cap (typ) Plastic bushing to be securely installed. Heavy Duty lock nut Signal nut with recess down luminum cap (typ) Iron cross Iron cross C/C distance (typ) 10 3/4 " Signal support bracket 2-way T.S. shown 3-way T.S. & 4-way similar Signal head housing TYPICL BRCKET CONNECTION Install serrated metal washer Flat washer Heavy Duty lock nut Threaded bracket connection MULTIPLE-WY TRFFIC SIGNL HED(S) File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR SPN WIRE MOUNTED T.S. BRCKET SSEMBLY DRWN BY: DJF CHECKED BY: WC of

17 Span wire Preformed lashing rod Signal cable to by-pass hanger (6" loop around either side of hanger). Traffic signal cable laid along bottom of span wire. Wrapping of signal cable around span wire or allowing allowing cable to twist will not be acceptable. 3 layers of black friction tape over end of lashing rod rmor rod Drip loop (18" dia.) Entrance facing away from controller pole Spread cotter pin Set screw pply permanent loctite 277 sealant (or approved equalt) on nipple threads Signal bracket/ housing Serrated washer (no ear tabs for 1-way signals only) Set screw (for 1-way signal only) Heavy Duty lock nut Bottom nut backed-off tight against cotter-key with recess down and cotter key bent. Heavy Duty lock nut Cotter key Exterior pipe wall Threaded pipe HNGER TTCHMENT Exterior surface of all mounting assemble located below span clamps, including stems, lock nuts, and related hardware must match the current FHW Highway yellow color tolerance chart per the Standard Specifications for Construction. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of 2

18 Photo cell 6" Stainless steel hinge (1 1/4 " x 42") 7" typ 5"D 2 3/4 " 5"E 1/4 - turn key locks (Stainless steel) 44 7/8 " 2 3/4 " Terminal strip 42" 5"E 5".068" dia. fiber optic output points 12 1/2 " E.090" dia. fiber optic output points F.O. door frame (.125 extruded alum) 36" 38 7/8" NOTES: 1)"SCHOOL SPEED LIMIT" shall be formed by rows of.068" dia. fiber optic bundles spaced at 1/2 " O.C. (normal). "45" and "30" shall be 0.90" dia. fiber optic bundle spaced at 5/8 " O.C. (normal). 2) Message displays and colors: SPEED LIMIT 45 Message 1 (white) SCHOOL SPEED LIMIT 30 Message 2 ("SCHOOL" - yellow) ("SPEED LIMIT 30" - white) 3) Message shall completely blank out when not energized. 4) Phase dimmer shall provide a means of manual adjustment for nighttime dimming. Dimming shall be activated by the photocell. 5) Sign housing shall be pre-drilled for power entry though top mounting hub. 6) Sign shall be equipped with four (4) 3/16 " dia. weep holes located in the lower cormers of the housing. 7) Exterior of housing assembly shall be painted semi-gloss black. 8) pproximate weight of sign assembled lbs. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR FIBER OPTIC VRIBLE SPEED LIMIT SIGN DRWN BY: DJF CHECKED BY: WC of

19 7" 8" 2" Visor (.063 alum.) Photo cell (1) 12" sign optical (amber) 7/8 " Heyco wire bushing.125" matte/clear polycarbonate Fiber optic sign luminum pedestal Face plate (.080" alum.) Min. of 7'-0" to grade Housing (.125 extruded alum.) 1 1/2 " NPT mounting hubs steel Back plate (.063 alum.) SIDE VIEW FIBER OPTIC VRIBLE SPEED LIMIT SIGN 120 VC (photo cell) 120 VC ("SPEED LIMIT 45") 120 VC ("SCHOOL SPEED LIMIT 30") High temperature factory wires Neutral Chassis ground TERMINL STRIP CONNECTION File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of

20 16" 30" Vented aluminum cabinet with base mounting shall be Type M-30 49" to 52" 15" Base dapter (spacer if required) See "Section -" Sheet 3 of 4 BSE MOUNTED TRFFIC SIGNL CONTROLLER CBINET 3" spacing between conduits (typ) Cap any unused conduit (s) Ground wire Bushings required on all conduits Refer to contract documents for the finished concrete surface requirement for foundations. 24" min 22" min Bolt pattern to manufacturer's specifications (2) required. 1 1/2" schedule 80 PVC rigid metal conduit Grade level 1 1/2" schedule 80 PVC conduit 40" MIN 42" MIN PLN (4) 3" schedule 80 PVC conduits (min) or as shown on the plans #6 or larger stranded copper ground wire with 18" slack above foundation. 3/4"x 42" galvanized foundation bolts, nuts & washers (2 required) Handhole 3" 3 1/2" 36" 42" Use non-solder type connection 3/4" x 10'-0" copper clad ground rod(s) a variable distance from foundation as directed by Engineer and in accordance with the current N.E.C. Ground wire Gravel ELEVTION FOUNDTION Grounding system shall measure 10 ohm or less to ground, with a 10' (min) spacing between ground rods. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR BSE MOUNTED T.S. CONTROLLER CBINET/FOUNDTIONS DRWN BY: CHECKED BY: WC of 4

21 16" 36" Vented aluminum cabinet with base mounting shall be Type M-36 49" to 52" 15" Base dapter (spacer if required) See "Section -" Sheet 3 of 4 BSE MOUNTED TRFFIC SIGNL CONTROLLER CBINET Bushings required on all conduits 3" spacing between conduits (typ) Cap any unused conduit (s) Ground wire Refer to contract documents for the finished concrete surface requirement for foundations. 24" min 22" min Bolt pattern to manufacturer's specifications (2) required. 1 1/2" schedule 80 PVC rigid metal conduit Grade level 1 1/2" schedule 80 PVC conduit 40" MIN 42" MIN PLN (4) 3" schedule 80 PVC conduits (min) or as shown on the plans #6 or larger stranded copper ground wire with 18" slack above foundation. 3/4"x 42" galvanized foundation bolts, nuts & washers (2 required) Handhole 3" 3 1/2" 36" 42" Use non-solder type connection 3/4" x 10'-0" copper clad ground rod(s) a variable distance from foundation as directed by Engineer and in accordance with the current N.E.C. Ground wire Gravel ELEVTION FOUNDTION Grounding system shall measure 10 ohm or less to ground, with a 10' (min) spacing between ground rods. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of 4

22 25.5" to 26" 44" Vented aluminum cabinet with base mounting shall be Type NEM 6 55" TO 58" 3/4" x 2 1/2" galvanized bolts, nuts & washers (4 required) Washer Base dapter (spacer if required) Lock washer 15" SECTION - Nut BSE MOUNTED TRFFIC SIGNL CONTROLLER CBINET Bushings required on all conduits 3" spacing between conduits (typ) Cap any unused conduit (s) Ground wire Refer to contract documents for the finished concrete surface requirement for foundations. 30" min 28" min Bolt pattern to manufactures specifications (4) required. (4) 3" schedule 80 PVC conduits 1 1/2" schedule 80 PVC rigid metal conduit Grade level 1 1/2" schedule 80 PVC conduit 46" MIN 48" MIN PLN #6 or larger stranded copper ground wire with 18" slack above foundation. 3/4"x 42" galvanized foundation (4) bolts, (8) nuts & (8) washers (required) Handhole 3" 3 1/2" 36" 42" Use non-solder type connection 3/4" x 10'-0" copper clad ground rod(s) a variable distance from foundation as directed by Engineer and in accordance with the current N.E.C. Ground wire Gravel ELEVTION FOUNDTION Grounding system shall measure 10 ohm or less to ground, with a 10' (min) spacing between ground rods. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of 4

23 30" 24" to 30" 48" Controller Pad Controller Foundation 30" Door Base Mounted Controller Cabinet Grade Level TOP VIEW 3" above Grade Level 48" Controller Pad Top of pad Controller Pad 1" 4" 3" 3" 4" Controller Foundation SIDE VIEW BSE MOUNTED CONTROLLER PD Payment for controller pad to be included in controller foundation pay item. Controller cabinet door to open toward pad. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of 4

24 Lane \ Turns of wire per specification (wires not twisted in loop slot) Wire pairs twisted in 12' to 60' lead-in slot 6' Lane \ Expansion joint cuts see detail"b" sheet 2 of 4 and cross section sheets. B B 12' to 60' Corner cuts see detail "" sheet 2 of 4. 6' Lane \ 12' to 60' 6' Lane \ Edge of pavement C D No curb- See section "D-D" Face of curb Bore hole (Type II) 1 1/4" dia. typical (see sheet 3 of 4) C See detail "C" sheet 2 of 4 Handhole (sheet 3 of 4) D Bore hole (Type I) 1 1/4" dia. typical (see sheet 3 of 4) NOTES: 1) Lead-in slot may be on either near or far side of loop approach as directed by the Engineer. 2) Two loops maximum allowed per saw cut from loop to curb. 3) 3 turns required for loops equal to or greater than 6'x10'. 4) 4 turns required for loops less than 6'x10'. 5) Refer to contract documents for high pressure washing of saw cuts and removal of debris. File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR TRFFIC LOOPS DRWN BY: CHECKED BY: WC of 4

25 Lead-in slot Lead-in wires Slot 6" 6" Expansion joint Clean out joint or crack Slot 6" (min) on either side 12" Slot of joint or crack 6" 6" Crack 5/16" or larger 12" 5/16" nominal or minimum DETIL "B" EXPNSION JOINT CUTS DETIL "" CORNER CUTS Lead-in slots 12" Bore hole type (Type II) 12" 12" 12" 12" 12" Traffic loop Edge of pavement Face of curb 2' Bore hole (Type I) DETIL "C" TERMINTION OF LED-IN SLOTS Loop wires Lead-in wires Wire restraints 2' max. 3' max. Wire restraints 3' max. 2' max. Loop Slot DETIL "D" WIRE RESTRINTS Lead-in Slot File: PW:RD/TR/Signals/WC SD/Final WC-170- Rev. 10/21/14 2 of 4

26 Face of curb Edge of pavement s directed by Engineer various 5' to 30' Handhole Plug caulk (duct seal) around wires to keep loop sealant from entering conduit Saw slot 1 1/4" bore hole 1 1/4" bore hole Loop lead-in wires twisted per specifications 8" Edge of pavement CL Pavement shoulder Bore not made thru valley part of curb 3/4" min PVC conduit, non-metallic (rated for underground use) 1/4" per ft. slope for moisture drainage to handhole TYPE I SECTION "C-C" UNDER CURB INSTLLTION 3/4" min PVC conduit To shoulder handhole non-metallic (rated for underground use) TYPE II BORE HOLE & LOOP WIRING SECTION "D-D" UNDER PVEMENT INSTLLTION Seamless plastic tubing Crimp type splice Loop wire IMS 51-5 Cut off drain wire Lead-in wire IMS 50-2 PVC tape & scotchast Cut off drain wire Coil ground wire around cable and tape To loop To detector unit HNDHOLE & PULL-BOX SPLICES (WTERPROOF) Handhole or pull-box Shielded loop lead in cable 88 or 33 PVC tape B Wrapp shield drain wire 12' to 60' Direction winding Cut off shield drain wire NOTES: 1) Loop wire to be #12 XHHW 2) Loop to be ) Loop is installed with a double layer of wire, 2 wires in each outside cut, 4 in the middle. around cable and cover with PVC tape To ground rod CONTROLLER CBINET CONNECTION 6' SERIES LOOP CONNECTION File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of 4

27 Wire restraints (see detail "D") Wire restraints (see detail "D") 5/16" nominal or minimum 1" TO 3" bituminous pavement 5/16" nominal 1/2" nominal or minimum or minimum 2"+ 1/16" - 1/2" nominal or minimum 1"+ 1/16" - (min) "+ 1/16" - (min) 1"+ 1/16" - (min) 1"+ 1/16" - (min) 2"+ 1/16 " - SECTION - SECTION B-B SECTION - SECTION B-B LOOP SLOT LED-IN SLOT LOOP SLOT LED-IN SLOT SLOT CROSS SECTIONS (BITUMINOUS PVEMENT OVER CONCRETE) SLOT CROSS SECTIONS (BITUMINOUS PVEMENT) 2"+ 1/16" - 5/16"nominal or minimum 1/2"nominal or minimum 1"+ 1/16" (min) "+ 1/16" (min) - Wire restraints (see detail "D") SECTION - LOOP SLOT SECTION B-B LED-IN SLOT SLOT CROSS SECTIONS (CONCRETE PVEMENT) File: PW:RD/TR/Signals/WC SD/Final Rev. 10/21/14 WC of 4

28 6" strap hinge w/8-1/8" aluminum rivets 16" 2-1/2" 1" 9" 1" 2-1/2" 1/2" 1" 1" 1/2" (2) 7/16" DI. 1/8 "x 1/4 " slot in box with #29 drill hole in cover 7" 3" 1" 3" 1/2" 1-1/4" 4-1/2" 4" 1-1/2" 3-3/4" 1-1/2" 1-1/2" 1-1/2" 3/4" 3/4" 1/2" 1/2" NOTES: 1) Box to be of weather tight construction. 2) Bushing for cable entrance to be liquid tight, sized per cable used. 3) Terminal Block to be cinch , 17 position or approved equal. 4) Mounting brackets to be same material as box. 5) ll material to be 13 gauge sheet aluminum. LUMINUM SPN WIRE JUNCTION BOX File: PW:RD/TR/Signals/WC SD/Final Rev. 12/16/14 Michigan Department of Transportation PREPRED BY TRFFIC ND SFETY ENGINEER OF DELIVERY ENGINEER OF DEVELOPMENT FOR SPN WIRE JUNCTION BOX DRWN BY: DJF CHECKED BY: WC of 1