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MA1009-PN120118 5' WALLS ON OTHER SIDE OF CANAL H ' 1, •' �GNT�p __, _ s w•oEGH iR OWNED BY OTHERS AND ARE SHOWING NEED - - OA ENCE — I \ co„ ••�N �,� coNC 5/va _ --__ - REPAIR `\ \ - -- - CONC.SIDEWALK � \ \`� 5= _ _4,0 qK —� _ _ t ECiI OF STREAM — +axe D-_ L- _ _ vin II _ I�. \ _ _� _ aria \ _ _ _ _ —_tea — _ - - - - - - - - - _ - - -_— _ 7- ill °�o �- -- 451— 4sz ��^I i Q 956= 957 _ 1 G ���tl.,� 960963 ♦ - -- 963 ._ Y u Y '� C VP,'f � .� 'S'WROUGHT�Y I _II - _ .. - S WOOD FENCE 6'WOOD FENCE 6 WROUGHT IRON(ENCE 5'WOOD fi WOOD IRON M ' 1, EXISTING WALL TO BE REPLACED FENCE FENCE �o° SECTION OF WALL MISSING SECTION OF WALL MISSING END OF WALL i. e / DRAINAGE FLUME TO BE CONSTRUCTION AT 48"DIA DRAIN PIPE TO BE CONNECTED TO WALL EXISTING HEADWALL oI \ \�,/ i 'V CONNECTED TO WALL a� +rte m 30 15 0 30 60 CONSTRUCTION ACCESS THROUGH THIS ALLEY =NMI S s- Sd tl 319 11 r e a • c t r r o r SCALE TEAGUE NALL AND PERKINS CITY OF COPPELL,TEXAS ir9vaROxa HOW This document is for interim review and is not CPL11248 COPPELL SHOWN " intended for construction, bidding or pe mit DESIGN CONCEPTS SHEET x SHOWN Purposes. N/A 1 2 1 6 0 Abrams Road, suite 508 0 8 18-Jan-12 ALEX CANAL IMPROVEMENTS DEL'1N BLACK, P.E. DATE: -� �* �. m> DATE //�/C, Dallas, Texas 75243 TX. REG. k 31640 PLAN VIEW OF WALL 1 _ _ PAane:(2 f4)481-9887•Pe x:(214)481-8884 OF 1 NO. REVISION BY DATE e x A s t 9 9 JAN 2012 TBPE Registration N4 F-230 www.tnp-onlins.com 7 APPROXIMATE LOCATION OF NEAREST BUILDING WALLS \ I GENERAL DESCRIPTION LI °�J • A ROCK BASE WOULD FIRST BE PLACED IN FRONT OF 22.-6"± S'-0"t THE EXISTING WALL TO SERVE AS A WORKING PLATFORM AND COFFERDAM • SOIL NAILS WOULD BE INSTALLED AS THE EXISTING 4 WALL IS REMOVED AND A TEMPORARY WALL FACING PROPOSED 1 r— — OF SHOTCRETE PLACED TO RETAIN THE SOIL SOIL NAIL WALL FINISHED GRADE — --- ( • A CAST-IN-PLACE CONCRETE WALL WOULD THEN BE CONSTRUCTED APPROXIMATELY — PLACED CONNECTED TO THE SOIL NAILS INCLUDING A IN THE SAME ALIGNMENT AS THE -'- LEDGE FOR SUPPORTING THE STONE FACIA EXISTING WALL \ THE STONE VENEER WOULD BE INSTALLED \\\ • FILL WOULD BE PLACED ON THE SLOPE ABOVE THE ls'a^t 1 r--- APPROXIMATE EXISTING WALL TO FLATTEN THE SLOPE TO 4 HORIZONTAL TO 1 GROUND LINE VERTICAL AND SOD INSTALLED 4 • AFTER THE WALL IS COMPLETED THE IMPORTED ROCK FLEXIBLE WATER BARRIER Q "- WOULD BE REMOVED FROM THE SITE SHEET • THE AREA ABOVE THE WALL BE GRADED AND SODDED '-7 I- y , ROCK FOR WORK PLATFORM STONE VENEER J C AND COFFERDAM TO BE REMOVED AFTER THE WALL IS COMPLETED __ -- > __ __ SOIL NAILS CAST-IN-PLACE_.///// \_ ___ —--____--'- REINFORCED CONCRETE SHOTCRETE TEMPORARY WALL FACING 1 SOIL NAIL ALTERNATE 4' D 4' ESTIMATED COST$929,830 ADVANTAGES DISADVANTAGES • BASIC ALIGNMENT OF WALL IS MAINTAINED • LOSS OF FLOW AREA MAY HAVE A SMALL EFFECT ON HYDRAULICS DURING • DOES NOT REQUIRE EXCAVATION BETWEEN CONSTRUCTION WALL AND PROPERTY LINE • CONSTRUCTION COST HIGHER THAN • HEIGHT OF WALL ABOVE NORMAL WATER OPTION 5, CONSTRUCTED BY LOWERING g LINE IS LESS THAN OTHER ALTERNATES WATER LEVEL • LOWEST CONSTRUCTION COST OF ALTERNATES CONSTRUCTED WITHOUT LOWERING WTER LEVEL a • CAN BE CONSTRUCTED WITHOUT LOWERING WATER LEVEL AND ENDANGERING THE _ WALL ON THE OTHER SIDE SCALE T " ` . ` ' T Y . ° ' TEAGUE NALL AND PERKINS review CITY OF COPPELL,TEXAS CPL11248 COPPELL This document for interim r w and is not AS SHOWN intended for construction, bidding or permit DESIGN CONCEPTS SHEET °�"' purposes. ALEX CANAL IMPROVEMENTS 1 2 1 6 0 Abrams r a m a R o a d, $u I t A 5 0 8 DELVIN BLACK,P.E. DATE: 18-]an-12 . . :;,....,s., * V„ A,, DA E //VC. Dallas, r e X a s 75243 OPTION 1 - SOIL NAIL WALL ON EXISTING Z r --,t �o Phone:(214)461-9867•Fax:(214)461-9864 TX. REG. K 31640 NO. REVISION BY DATE X s. : l 9 9 JAN 2012 TBPE Registration No.F-230 www.tnp-onllne.com ALIGNMENT APPROXIMATE LOCATION OF NEAREST BUILDING WALLS GENERAL DESCRIPTION �I j • SHEET PILING OR OTHER MEANS OF RESTRAINING THE WATER FROM THE CANAL WOULD BE INSTALLED � Iz • AN ACCESS ROADWAY WOULD BE PREPARED ABOVE THE s'-D"t EXISTING WALL PEDESTRAIN RAIL • EXCAVATION AND INSTALLATION OF THE WALL WOULD PROCEED FROM THE NORTH END TO THE SOUTH REDI-ROCK CONCRETE BLOCKS OR EQUIVALENT PROPOSED • TEMPORARY SHORING WOULD BE INSTALLED BETWEEN 4 THE WALL AND THE PROPERTY LINE AS REQUIRED AS WITH AN ASHLAR STONE PATTERN CAST IN THE FINISHED GRADE // FACE OF THE BLOCKS EXCAVATION PROGRESSED • THE MODULAR BLOCKS AND ASSOCIATED BACKFILL 3 WOULD BE PLACED TO THE FULL HEIGHT OF THE WALL ,i AS CONSTRUCTION PROCEEDED SOUTHWARD '� ,E=_____- APPROXIMATE EXISTING 1 GROUND LINE I • AFTER THE WALL IS COMPLETED THE EXISTING WALL EXISTING WALL TO BE REMOVED _1, AND SHEET PILING WOULD BE REMOVED • THE PEDESTRAIN RAIL BE INSTALLED SHEET TO BE REMOVED • THE AREA ABOVE THE WALL BE GRADED AND SODDED AFTFTE OF ER COMPLETION WALL —y FREE DRAINING n GRANULAR BACKFILL <> /1 __ CRUSHED STONE BASE I- •��r4-2i•��-��2ir�iri %, I 3'-6"± 191-0"± 20,0"t 22,6"± Z LARGE MODULAR BLOCK WALL OPTION ESTIMATED COST$958,375 4 ° 4' ADVANTAGES DISADVANTAGES • CONSTRUCTION TIME SHOULD BE LESS THAN OTHER •ALTERNATES SINCE CONSTRUCTING THE WALL IS A REQUIRES EXCAVATION NEAR PROPERTY PROCESS OSF TACKING BLOCKS AND BACKFILLING LINE • LESS LABOR INTENSIVE AND FEWER CONSTRUCTION • PATTERN FORMED IN FACE OF BLOCKS WILL DIFFER FROM EXISTING WALL TRADES INVOLVED • CAN BE CONSTRUCTED WITHOUT LOWERING WATER • CONSTRUCTUION COST IS HIGHER THAN LEVEL AND ENDANGERING THE WALL ON THE OTHER OPTION 1 SIDE • CONSTRUCTION COST IS HIGHER THAN E. OPTION 1 ig T H ! C I T Y • C 1. SCALE COPPSHOWN TEAGUE AND PERKINS his document is for interim review and is not CITY OF COPPELL,TEXAS 1NPP PROJECT ELL _ NALL K/NS CPL11248 intended for construction, bidding or permit ° � * _ ;,-,- N/A 1218 0 Abrams R o e d, Purposes. DESIGN CONCEPTS T �_; DATE Suite i f A 5 0 8 DELVIN BLACK, P.E. DATE: 18-Jan-12 ALEX CANAL IMPROVEMENTS SHEET NO. o //�/C. ( a l l s a, Texas (7524 3 TX. REG. N 31640 OPTION 2 - LARGE MODULAR BLOCK GRAVITY 3 OR REVISION BY DATE x A s , e e JAN 2012 7BPE Registration Na F-230 Phane:Dall s, B7•Fa x:(2 f4)�B7-8E8� www.tnp-onlIne.com WALL 7 APPROXIMATE LOCATION OF NEAREST BUILDING WALLS GENERAL DESCRIPTION I • SHEET PILING OR OTHER MEANS OF RESTRAINING 0 THE WATER WOULD BE INSTALLED IN FRONT OF THE s'-6^t 16'-0"t °I� EXISTING WALL • THE DRILLED SHAFTS WOULD BE INSTALLED ALONG PEDESTRAIN RAIL F-0"* THE NEW WALL ALIGNMENT WITH TIEBACKS AS REQUIRED PROPOSED I • THE AREA BETWEEN THE EXISTING WALLS WOULD BE FINISHED GRADE 4 — EXCAVATED INSTALLING LAGGING BEHIND THE 1 r ■ rI DRILLED SHAFTS AS EXCAVATION EXTENDED wl STONE VENEER FINISH Z DOWNWARD �r r 1[ --- �h • THE REINFORCED CONCRETE WALL SEGMENTS L REINFORCED CONCRETE BETWEEN THE DRILLED SHAFTS WITH A LEDGE TO EXISTING WALL I / WALL FACE SUPPORT THE STONE VENEER WOULD BE INSTALLED APPROXIMATE EXISTING I • THE STONE VENEER BE INSTALLED TO BE REMOVED ,r GROUND LINE 1 i /// STONE • THE EXISTING WALL AND SHEET PILING WOULD BE SHEET]PEEING TO BE REMOVED "s _ I VENEER REMOVED A� COMPLETION OF WALL r • THE PEDESTRAIN RAIL INSTALLED TIE-BACK L I I • THE AREA ABOVE THE WALL BE GRADED&SODDED .I —�SHORIORARY 1\ ` /\NG v z O VI z z,� _ EXISTING WALL a r TO BE REMOV WATER BAf�RIER TEMOROARY w¢f RE IRCED CONCRETE WALL SHEET SHORING z o OO 0 ATT• ED TO DRILLED SHAFTS DRILLED DIA. SHAFT aw 8 30"DIA ASSUMED FOR ci a o\\ ,1J COST COMPARISON 12 /� V � ■ r.--1. DRILLED SHAFT SUPPORTED WALL 4' 0 4. ESTIMATED COST$1,173,480 ADVANTAGES DISADVANTAGES • RESULTS IN THE LARGEST FACTOR OF SAFETY • REQUIRES MORE HEAVY EQUIPMENT FOR GLOBAL STABILITY OPERATING BEHIND EXISTING WALL • CAN BE CONSTRUCTED WITHOUT LOWERING • HIGHEST CONSTRUCTION COST WATER LEVEL AND ENDANGERING THE WALL ON a THE OTHER SIDE T M e • C I T Y • o ! SCALE COPPELL TEAGUE NALL AND PERKINS CITY OF COPPELL,TEXAS "'"°E SHOWN This document is for interim review and is not CPL11248 vEaT intended for construction, bidding or permit DESIGN CONCEPTS N/A 12760 Abrams Road, Suite 508 purposes. SHEET * j�' ' DATE INC. Dallas, Texas 752 4 3 DEIVIN BLACK, P.E. DATE: 18-Jan-12 ALEX CANAL IMPROVEMENTS Phone:(214)�B1-8 p- n Fsx:(214)SB1-88B� TX. PEG. R 31640 OPTION 3- DRILLED SHAFT SUPPORTED WALL 4 A NO. REVISION BY DATE T 'Y n s t s 9 JAN 2012 WE Rep1a68tlon Na F-230 www.tnp-onllne.com OF 7 APPROXIMATE LOCATION OF NEAREST BUILDING WALLS GENERAL DESCRIPTION —..„,,,,,i II • A SHEET PILING OR OTHER MEANS OF RESTRAINING THE WATER WOULD BE PLACED IN FRONT OF THE PEDESTRAIN RAIL 9 I EXISTING WALL 6'-10^ °I? • THE ALIGNMENT WOULD BE SET BACK FROM THE s'-o^t EXISTING WALL A SUFFICIENT DISTANCE TO ALLOW CONSTRUCTION OF THE NEW WALL PROPOSED • SOIL NAILS WOULD BE INSTALLED AS THE STONE VENEER FINISH FINISHED GRADE .....// _ EXCAVATION PROCEEDED DOWNWARD AND A 1 I-- I TEMPORARY WALL FACING OF SHOTCRETE PLACED TO RESTRAIN THE SOIL APPROXIMATE EXISTING • A CAST-IN-PLACE CONCRETE WALL WOULD THEN BE PLACED CONNECTED TO THE SOIL NAILS INCLUDING A GROUND LINE LEDGE FOR SUPPORTING THE STONE VENEER EXISTING WALL __ii • THE STONE VENEER WOULD BE INSTALLED TO BE REMOVED 1 3,, • THE PEDESTRAIN RAIL BE INSTALLED T • FILL WOULD BE PLACED ON THE SLOPE ABOVE THE SHEET COMPLETION E BE REMOVED WALL TO FLATTEN THE SLOPE TO 4 HORIZONTAL TO 1 AFTER COMPLETION OF WALL VERTICAL AND SOD INSTALLED SOIL NAIL WALL • AFTER THE WALL IS COMPLETED THE EXISTING WALL —__— AND TEMPORARY SHORING WOULD BE REMOVED STONE VENEER — �� SOIL NAILS 5 __ — _ CAST-IN-PLACE REINFORCED CONCRETE H 12-0"t SHOTCRETE TEMPORARY WALL FACING 4 SOIL NAIL WALL ESTIMATED COST$1,060,510 4 4 ADVANTAGES DISADVANTAGES • INCREASES WATER SURFACE AREA, STORAGE REQUIRES EASEMENTS FOR EXTENDING SOIL NAILS BEYOND VOLUME, AND HYDRAULIC CAPACITY PROPERTY LINE • CAN BE CONSTRUCTED WITHOUT LOWERING • REQUIRES A RELATIVELY LARGE OFFSET FROM THE EXISTING WALL WATER LEVEL AND ENDANGERING THE WALL ON ALIGNMENT THE OTHER SIDE E • TOP OF WALL IS CONSIDERABLY HIGHER ABOVE NORMAL WATER LEVEL THAN EXISTING WALL • A RELATIVELY SHORT SECTION OF WALL ON THE SOUTH END WILL REQUIRE A DIFFERENT TYPE OF CONSTRUCTION s • UNKNOWN COST AND TIME DELAY TO ACQUIRE EASEMENTS FOR SOIL NAILS • DIFFICULT TO REMOVE EXISTING WALL AFTER NEW WALL IS COMPLETED x rx . . � , TY . o � � TEAGUENA�COPPELL AND PERK/NS CITY OF COPPELL,TEXAS """0 AS SHOWN This document is for interim review and is not CPL11248 o vEar intended for construction• bidding or permit DESIGN CONCEPTS N/A 72760 Abrams Rosd, Suite 608 Purposes. SHEET � 'f = DATE 75243 DELVN BLACK, P.E. DATE: 18-Jan-12 ALEX CANAL IMPROVEMENTS 5▪ NO. REVISION f MD NC. Dallas,l s 8, T a x e s TX. REG. 31640 9 Phone:(214)461-9867•Tex ine.co1<J481-9886 OPTION 4- SOIL NAIL WALL OFFSET FROM BY DATE X q s 1 s )AN 2012 RIPE Registration Na F-230 www.lnp-onllns.com EXISTING ALIGNMENT 7 7 APPROXIMATE LOCATION OF NEAREST BUILDING WALLS GENERAL DESCRIPTION THIS ALTERNATE ONLY RECOMMENDED IF PERFORMED IN CONDUCTION WITH REPAIRS/ • THE WATER SURFACE IN THE CANAL WOULD LOWERED REPLACEMENT OF THE THE WALL ON THE 51 BY APPROXIMATELY 3 FEET AND MAINTAINED AT THAT OTHER SIDE OF THE CANAL Lk, LEVEL WHILE WORK ON THE WALL WAS PERFORMED 22,6"± a n s'-o^± • A ROCK BASE WOULD BE PLACED IN FRONT OF THE EXISTING WALL TO SERVE AS A WORKING PLATFORM AND A COFFERDAM I • SOIL NAILS WOULD BE INSTALLED AS THE EXISTING 4 ------ WALL IS REMOVED AND A TEMPORARY WALL FACING PROPOSED 1 1--- - I OF SHOTCRETE PLACED TO RESTRAIN THE SOIL SOIL NAIL WALL FINISHED GRADE A CAST-IN-PLACE CONCRETE WALL WOULD THEN BE CONSTRUCTED SAME ALIGNMENT HE --/ --- / ' • PLACED CONNECTED TO THE SOIL NAILS INCLUDING A IN THE SAME ALIGNMENT AS THE L I IXISTING WALL LEDGE FOR SUPPORTING THE STONE FACIA APPROXIMATE EXISTING • FILL WOULD BE PLACED ON THE SLOPE ABOVE THE — GROUND LINE WALL TO FLATTEN THE SLOPE TO 4 HORIZONTAL TO 1 1 r I VERTICAL AND SOD INSTALLED Y 1 • AFTER THE WALL IS COMPLETED THE IMPORTED ROCK 18'-0"± < • THOEUWATER LEVEL WOULD THE MTHEN BE ALLOWED TO I ',7 RETURN TO ITS NORMAL ELEVATION +4 FLEXIBLE WATER BARRIER -- / F., SHEET STONE VENEER V — CAST-IN-PLACE SOIL NAILS ______——_ REINFORCED CONCRETE���/// ROCK FOR WORK PLATFORM WALL FACING TEMPORARY AND COFFERDAM TO BE REMOVED WALL FACING LOWERED WATER SURFACE AFTER THE WALL IS COMPLETED O SOIL NAIL ALTERNATE 2 4' 0 4' ESTIMATED COST$743,380 ADVANTAGES DISADVANTAGES • BASIC ALIGNMENT OF WALL IS MAINTAINED • LOSS OF FLOW AREA MAY HAVE A SMALL EFFECT • DOES NOT REQUIRE EXCAVATION BETWEEN CONSTRUCTION WALL AND PROPERTY LINE • DANGER OF CAUSING DAMAGE TO WALL ON I • PROVIDES A SAFER WORK ENVIRONMENT THE OTHER SIDE OF THE CANAL • CONSTRUCTABILITY IS MORE CERTAIN • LOWEST CONSTRUCTION COST IE SCALE as TX � C , T . 0 � TEAGUENALLANDPERK/NS : CITY OF COPPELL,TEXAS TNP PROJECT COPPELL AS SHOWN This document is for interim review and is not CPL31248 'a vtzT intended for construction, bidding or permit DESIGN CONCEPTS SHEET N/A purposes. t2teo Abrams Road, Suite 50 8 ALEX CANAL IMPROVEMENTS DELVIN BLACK, P.E. DATE: 18-Jan-12 6 -c r * o DATE ANC Dallas, Texas 7524 3 TX. REG. p 31640 PAOne:(214)4e1-9867.P•x:(2is�set-gees OPTION S-SOIL NAIL WALL& LOWERING @ X q g a s t JAN 2012 1BPeRgbaatlonN F-230 www.tnp-onhIne.com WATER LEVEL OF NO. REVISION BY DATE 7 APPROXIMATE LOCATION OF NEAREST BUILDING WALLS�. GENERAL DESCRIPTION THIS ALTERNATE ONLY RECOMMENDED IF • THE WATER SURFACE IN THE CANAL WOULD LOWERED PERFORMED IN CONDUCTION WITH REPAIRS/ 0 I BY APPROXIMATELY 3 FEET AND MAINTAINED AT THAT REPLACEMENT OF THE THE WALL ON THE o�u LEVEL WHILE WORK ON THE WALL WAS PERFORMED OTHER SIDE OF THE CANAL a •-0"t • A ROCK BASE WOULD BE PLACED IN FRONT OF THE EXISTING WALL TO SERVE AS A WORKING PLATFORM AND A COFFERDAM • THE EXISTING WALL WOULD BE REMOVED 4 • EXCAVATION AND INSTALLATION OF THE WALL WOULD 1 F— I PROCEED FROM THE NORTH END TO THE SOUTH PROPOSED COMPLETING THE WALL AS CONSTRUCTION PROCEEDED REDI-ROCK CONCRETE BLOCKS OR EQUIVALENT FINISHED GRADE WITH AN ASHLAR STONE PATTERN CAST IN THE SOUTHWARD INCLUDING REMOVAL OF THE EXISTING FACE OF THE BLOCKS 3 – WALL AND SHEET PILING 1 APPROXIMATE EXISTING — ------ GROUND LINE EXISTING WALL TO BE REMOVED v I _ C7 Y _ 0 1e'-0,t v�� M=LEXIBLE WATER BARRIER FREE DRAINING `� v SHEET / — i �!-1 GRANULAR BACKFILL --- i I� use. ROCK FOR WORK PLATFORM AND COFFERDAM TO BE REMOVED LOWERED WATER SURFACE AFTER THE WALL IS COMPLETED 20'-0"t 22'-6"t 6 LARGE MODULAR BLOCK WALL OPTION ESTIMATED COST$970,750 a 0 a ADVANTAGES DISADVANTAGES • BASIC ALIGNMENT OF WALL IS MAINTAINED • LOSS OF FLOW AREA MAY HAVE A SMALL EXCAVATION EFFECT ON HYDRAULICS DURING • XCAVATION BETWEEN WALL AND CONSTRUCTION PROPERTY LINE LESS THAN OPTION 2 PROVIDES A SAFER WORK ENVIRONMENT • HIGHER CONSTRUCTION COST THAN • THAN OPTION 2 OPTION 5 • REQUIRES EXCAVATION BETWEEN WALL AND PROPERTY LINE • DANGER OF CAUSING DAMAGE TO WALL ON THE OTHER SIDE BY LOWERING WATER LEVEL r x s - c r r • o R SCALE r7 i COPPELL TEAGUE NALL AND PERKINS CITY OF COPPELL,TEXAS NPL11" AS SHOWN This document is for interim review and is not CPL112a8 vExr intended for construction, bidding or permit DESIGN CONCEPTS a N/A 12160 A b r a m s Road, Suite 508 purposes. ALEX CANAL IMPROVEMENTS SHEET AL T *,�^'--'o DATE ANC Dallas, Texas 75243 DELNN BLACK, P.E. DATE: 18-Jan-12 TX. REG. /31640 NO. REVISION BY DATE X -;s , 0 9 JAN 2012 WE PAone:(214)461-8867• lIne.c214)461-9884 OPTION 6- LARGE MODULAR BLOCK WALL& Registration Na F230 www.tnp-onlIne.com LOWERING WATER LEVEL �