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ST0701-CS091113Page 1 of 1 Keith Marvin - Storm drain alternative at Belt Line connection From: "Rodriguez, Jorge" <jrodriguezghalff.com> To: "Farris, Kody" <kharrisglhlacy.com> Date: 11/13/2009 11:55 AM Subject: Storm drain alternative at Belt Line connection CC: "Keith Marvin" <kmarvin @ci.coppell.tx.us >, <MattO @pactrust.com >, "Littleton, Dave" <dlittletonghalff. com> Attachments: 20091113beltlinestorm.pdf Kody The attached sketch shows the new layout for the storm drain at Belt Line connection as per our conversation in the field yesterday morning. I followed the City's recommendation moving the proposed 72" storm pipe to the south to avoid any conflict with the traffic, and to make the construction work on the grass area. I also made a 22 1/2 degree connection to the existing culvert as the City's Inspector required. I believe that this alternative minimizes the construction on the asphalt pavement area, as it was requested by the City. Please provide to Pac Trust any impact of the construction cost with this alternative and also request approval from Mat Oyen prior to any field work. Please call me for any clarification. Thanks Jorge Rodriguez, P.E. INEZ Project Manager Ign HALFF HALFF ASSOCIATES, INC. 1201 N. Bowser Road Richardson, Texas 75081 Phone 214 - 346 -6203 Fax 214 - 739 -0095 www.halff.com file: / /C: \Documents and Settings \radloo \Local Settings\ Temp \XPgrpwise \4AFD4926City_... 8/30/2011 8 Lem CAUTION! f STA 3 +20.8 LINE B PROR 8" WATER CROSSING ADJUST WATER AS REQUIRED l_ TS N STA LINE B= CL PAV. ST .7 (25.76' RT) N BRANCH 2 +00 R= 125.00' L= 88.50' t3rip 66" RCP �' I R= 125.00' L= 49.74' TS REMOVE EXISTING LOCATE AND REMOVE CAUTION!! II WYE INLET AND 21" RCP PROPOSED 12" WATER AND f PROPOSED 24" STORM DRAM EXISTIN G 24 RCP CULVERT ... .. , ...,__ PARK WEST COMMERCE CENTER SPLIT 2 M VOL. 93230, PG. 3698 .8 LINE B - SANITARY SEWER ST ORM AND EXISTING 18 "RCP R (TO BE ABANDONED) =PRIORTO - w ~ STA LAT B 4= G. REMOVE EXISTING 24" Contractor's activities. Differences in horizontal CL PAV. STA 2 +37.4 (20.0' LT) AIN (TO BE ABANDONED) �\ N BRANCH ED PRIOR TO INSTALLATION. not be a basis for additional compensation. INSTALL 10' CURB INLET 503.21 +/- (PER PLANS) 4 +00 TC= 512.03 FL 18 "= 507.55 CAUTION! f STA 3 +20.8 LINE B PROR 8" WATER CROSSING ADJUST WATER AS REQUIRED l_ TS N STA LINE B= CL PAV. ST .7 (25.76' RT) N BRANCH 2 +00 R= 125.00' L= 88.50' t3rip 66" RCP �' I R= 125.00' L= 49.74' TS REMOVE EXISTING CONSTRUCT CONCREI E COLLAR AT ALL PIPE SIZE CHANGE LOCATIONS CAUTION!! II WYE INLET AND 21" RCP PROPOSED 12" WATER AND f PROPOSED 24" STORM DRAM BRICK CROSSING. ADJUST WATER I E)C 24" AS REQUIRED. 8 " SS WYE - SANITARY SEWER i 18 "RCP t - w ~ - _--- -. • `j9 Contractor's activities. Differences in horizontal 2 "UE �\ ELECTRICAL CONDUIT not be a basis for additional compensation. EXISTING UTILITY LEGEND SD 4 +00 TRAFFIC SIGNAL BOX EM ELECTRIC METER LINE B I VOW t^t 4a -w �_� j 72" RCP % REMOVE EXISTING STA LINE B= 24" RCP STA LINE B= STA 0+00.0 LAT B-2= STA 0 +00.0 LAT B= INSTALL 72 "x18" 60" WYE LL 72 "x18" 60" WYE '11� ^34+00 - -'� 35 +00 -- ~F-------- _.- .- _.-. EXIST �- _�� - �SOUTHWESTE 48 ft INC AM T _ LVD " NT STA LINE B= "�_ -� 12 "W STA 0 +00.0 LAT B -5= INSTALL 66 "x30" 60" WYE FL 66 "= 20' UTILITY EA FL 30 "= (VOL. 90218 G MENT ~---- ---- -- -- - -- 264) REMOVE EXISTING WYE INLET AND 24" RCP :CAUTION!! PROPOSED 12" WATER AND -- -- -- - - - - -- PROPOSED 30" STORM DRAIN STA 0 +74.4 LAT B -3 B -1 STA 1+04.5 LAT - CROSSING. ADJUST WATER CL PAV STA 33 +85.0 (20.0' RT) =AS REQUIRED. INSTALL 10' CURB INLET CL PAV. STA AT 35+16.6 ( 36.0' RT ) TC= 511.81 CONSTRUCT 5'x5' WYE INLET FL 18 "= 507.31 TOP= 512.50 Q,00= 3.0 cfs GRATE= 511.50 FL 24 "= 50750 O­= STA 0+ LAT B -2= CL PAV STA 3 +95.0 (29.0' LT) N BRANCH CONSTRUCT 5'X5' WYE INLET TOP= 513.00 THROAT= 512.00 FL 18 "= 508.00 Q,00 = 1.6 cfs Q,.= 3.0 ds STA LINE B= STA 0 +00.0 LAT B-4= INSTALL 66 "x18" 60" WYE STA LINE B -PC= FL 66 "= END 72" RCP FL 18 "= BE = 66" R . V1 riI // 0 L �Y>E V Y� N I LET TMH - 1L - x OE /T LU I I (� TS -rs I 'r` WI Z 5_1S6 i O 0 10 20 30 40 SIG I r° SCALE: 1"=20' T LE. V BRICK PAVERS 1 N i LP TL w X w TS p •�. 6 , @G� 1O tt P 36++0-0 - - - - -- PAVERS .I O CONCRE E I yy ° - TMH O lev 8 "SS BRICK CONSTRUCT CONCREI E COLLAR AT ALL PIPE SIZE CHANGE LOCATIONS CAUTION!! II 1 PAVERS Q PROPOSED 12" WATER AND f PROPOSED 24" STORM DRAM BRICK CROSSING. ADJUST WATER I w AS REQUIRED. 8 " SS 8 "SS BRICK CONSTRUCT CONCREI E COLLAR AT ALL PIPE SIZE CHANGE LOCATIONS PROPOSED UTILITY LEGEND 1 PAVERS Q BRICK 12"W WATER PAVERS 8 " SS - - SANITARY SEWER i 18 "RCP whether shown or not, damaged by - _--- -. _ - STORM Contractor's activities. Differences in horizontal 2 "UE or vertical location of existing utilities shall ELECTRICAL CONDUIT not be a basis for additional compensation. EXISTING UTILITY LEGEND Ex. 12' x 6, TSB TRAFFIC SIGNAL BOX EM ELECTRIC METER TMH TELEPHONE MANHOLE + FH FIRE HYDRANT _ -� ICV IRRIGATION CONTROL VALVE MB MAIL BOX GM GAS METER GW GUY WIRE PP POWER POLE LP LIGHT POLE TP TELEPHONE POLE SDMH STORM DRAIN MANHOLE A0 +00.0 LINE B= SSMH SANITARY SEWER MANHOLE C ONNECT TO JUNCTION BOX SSCO SANITARY SEWER CLEANOUT FL 72 "= 501.65 +/- (PER PLANS) TCS TELEPHONE CABLE SIGN 2 Y" 0 TRIS TELEPHONE RISER TPED TELEPHONE PEDESTAL TS TRAFFIC SIGN _ --- _ -_ - -- TL TRAFFIC LIGHT WMH WATER MANHOLE X WM WATER METER w WV WATER VALVE - T - TELEPHONE LINE -0E- OVERHEAD ELECTRIC -EX. G- GAS LINE -EX. W- WATERLINE - - - - -- PROPERTY LINE - It A�tITC• - -- EASEMENT LINE CONSTRUCT CONCREI E COLLAR AT ALL PIPE SIZE CHANGE LOCATIONS ^'puny uuu, iwauvua ai iuwn ai c yci �ci any schematic in nature and may not accurately reflect the size and location of each particular utility. Some utility lines and surface locations may not be shown. Contractor shall assume BRICK responsibility for actual field location and PAVERS protection of existing utilities whether shown ° or not. Contractor shall also assume responsibility for repairs to existing utilities, i whether shown or not, damaged by TL o y �eeneu Contractor's activities. Differences in horizontal or vertical location of existing utilities shall not be a basis for additional compensation.