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HomeMy WebLinkAbout2023-04-04; City Council; ; Declaration of a Storm Related Local Emergency for repair of a sinkhole on Haymar DriveCA Review CKM Meeting Date: To: From: Staff Contact: Subject: Districts: April 4, 2023 Mayor and City Council Scott Chadwick, City Manager Tom Frank, Transportation Director tom.frank@carlsbadca.gov, 442-339-2766 Vicki Quiram, Utilities Director vicki.quiram@carlsbadca.gov, 442-339-2307 Declaration of a Storm Related Local Emergency for repair of a sinkhole on Haymar Drive All Recommended Action Adopt a resolution confirming the City Manager’s declaration of local emergency for repair of a sinkhole in the area of Haymar Drive. Executive Summary On Saturday, March 18, 2023, at about 4:30 p.m., Transportation Department staff investigated a report of a sinkhole on Haymar Drive west of El Salto Falls Road. Staff determined the sinkhole was likely caused by a failed storm drain pipe carrying runoff water across Haymar Drive. The Utilities Department staff was called in because the Vista-Carlsbad Sewer Interceptor pipeline is above the failed storm drain. This sewage line carries wastewater to the Encina Wastewater Authority’s Treatment Plant in Carlsbad. At the sinkhole site, the interceptor is a 36-inch diameter iron pipe that carries an average daily flow of 4.8 million gallons of wastewater per day and a peak wet weather flow of 14.7 million gallons per day. A pipe break in the V/C Interceptor would likely result in wastewater draining into the Buena Vista Creek, which is only 700 feet away, and the Buena Vista Lagoon, 2.4 miles away. Exhibit 3 shows the location of the sinkhole, storm drain pipe and the interceptor pipeline. The City Manager declared a local emergency to make immediate repair of the sinkhole six days later, on March 24, 2023. Staff are now requesting the City Council confirm the City Manager’s declaration of a local emergency so that the project can continue to be exempted from the city’s normal bidding procedures and the necessary repairs can be completed as swiftly as possible. April 4, 2023 Item #7 Page 1 of 16 Construction projects that cost less than $200,000 can be awarded by the City Manager using informal bidding procedures under Carlsbad Municipal Code (CMC) Section 3.28.080 – Construction Projects, subsections (B) and (H), which implement California Public Contract Code Section 22032. This project will likely cost more than $200,000. Carlsbad Municipal Code Section 3.28.110(A) implements Public Contract Code Section 22035 and provides for an exemption from formal bidding procedures for emergency construction procurements. To use the emergency exemption, CMC Section 3.28.120, as well as Public Contract Code sections 22035 and 22050, requires a declaration of a local public emergency by a four-fifths vote of the City Council and at the next regular City Council meeting. Explanation & Analysis Following the initial investigation into the sinkhole on March 18, 2023, staff placed temporary backfill to stabilize the sinkhole and traffic control around the damaged area. Three days later, staff used video equipment to examine inside a portion of an existing corrugated steel pipe culvert at the sinkhole location. This revealed a vertical separation in the pipe, which was the cause of the underground erosion. The culvert crosses beneath the segment of the interceptor pipeline known as Reach VC1, which is owned and operated by the City of Vista and conveys wastewater flow from the northern half of Vista. The pipeline continues to run to the west and then south through Carlsbad to the Encina Wastewater Authority’s treatment plant. Staff were unable to view inside the remaining portion of the culvert to evaluate other potential problem areas. Staff contacted the California Department of Transportation to inquire if they would be addressing the deteriorated steel culvert as a part of their larger project along State Route 78. Although Caltrans has plans to rehabilitate the segment of culvert located within its right-of- way, it has no plans to repair the failed culvert located beneath Haymar Drive, which is in the City of Carlsbad. Caltrans provided documents on March 23 that indicate the state relinquished the property now occupied by Haymar Drive to the city in 1967. Caltrans asserts that the relinquishment included the storm drains. These documents are provided as Exhibit 4. Staff met with four contractors to obtain bids for the culvert repair on March 24, 2023. Three days later, staff received a bid from DB Pipeline, Inc., in an amount of $153,900. Using more durable PVC pipe to replace the entire length of corrugated metal pipe under Haymar Drive added $45,627 to DB Pipeline, Inc.’s bid for a total estimate of $199,527 or approximately $200,000. One other bid was received in an amount of $414,290. A third contractor declined to submit a bid, and a fourth contractor did not submit a bid on time. DB Pipeline, Inc. is a pre-qualified contractor that has successfully completed several utility Capital Improvement Program projects for the city. Considering that more rainstorms were forecast and concerned about the conditions around the critical interceptor pipeline and a possible spill, staff initiated the repair project with DB Pipeline, Inc. on March 27, 2023, based on a time and materials contract to accelerate the mobilization and begin work. April 4, 2023 Item #7 Page 2 of 16 During the course of the work, staff determined that a repair process using corrugated metal pipe and cured-in-place pipe lining would provide an appropriate repair and was more feasible based on how close the break was to the active sewer line. Additionally, the complexity of replacing the existing pipe using the PVC pipe would have required opening up more of the street and taken longer to accomplish. However, with rain in the forecast for March 29, 2023, staff directed the contractor to proceed with an alternate plan that resulted in the pipe being laid, the sinkhole backfilled and the paving completed shortly before the start of the forecasted rain. The cured-in-place lining or an alternate method of repair will be carried out at a later date. The declaration of a public emergency and the need for an emergency exemption are appropriate in this instance based on the following: • Caltrans relinquished the right-of-way at the sinkhole site to the city in 1967 and has no plans to repair the culvert segment located outside of its right-of-way. • The sinkhole appears to be caused by a failed culvert located in the city right-of-way, which threatens to undermine a critical sewer pipeline. • Immediate repairs are needed to stabilize the sinkhole site and repair the failed storm drain line to prevent the potential spillage of almost five million gallons per day of untreated wastewater into the Buena Vista Creek and Buena Vista Lagoon. Fiscal Analysis No additional appropriations are needed at this time. Funding for the estimated $280,000 repair project will come from the fiscal year 2022-23 operating budget – Storm Drain System Rehabilitation and Repair Program. Options Staff recommend the City Council confirm the City Manager’s declaration of a local emergency to complete the repairs the sinkhole in the area of Haymar Drive as swiftly as possible and prevent a potential sewage spill. Not confirming the declaration would likely result in delays and potentially more costs, with greater risk to the city and no benefits. Next Steps Work to secure the interceptor pipeline and make immediate repairs to the storm drain has been completed. Staff have begun preparing the emergency contract, which will be presented for ratification to the City Council at a future date. The next phase of work to complete repair to the entire segment of the pipeline in the city right-of-way is expected to be completed in two weeks. Haymar Drive Emergency Sinkhole Repair Repair contract – DB Pipeline, Inc. $200,000 Design and administrative costs (5%) $10,000 Construction management and inspection (estimated) $20,000 Construction contingency (25%) $50,000 Total estimated project costs $280,000 April 4, 2023 Item #7 Page 3 of 16 Staff will return to the City Council on April 11, 2023, to review the emergency action and ask the City Council to determine by a four-fifths vote whether there is a need to continue it. Environmental Evaluation The project has been determined to be exempt from the California Environmental Quality Act under CEQA Guidelines Section 15269, which applies to actions necessary to mitigate an emergency and to repair public service facilities necessary to maintain services essential to public health and welfare. Additionally, the project is also exempt under 15301(c), which apply to the operation, repair and/or maintenance of existing utilities involving negligible or no expansion of use. Exhibits 1. City Council resolution 2. City Manager Declaration of Local Emergency dated March 24, 2023 3. Location map 4. Maps and documents April 4, 2023 Item #7 Page 4 of 16 RESOLUTION NO. 2023-101 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF CARLSBAD, CALIFORNIA, CONFIRMING THE CITY MANAGER'S DECLARATION OF A LOCAL EMERGENCY FOR REPAIR OF A SINKHOLE IN THE AREA OF HAYMAR DRIVE WHEREAS, the City Council empowers the City Manager to proclaim the existence of a local emergency when the city is affected by a public calamity and the City Council is not in session; and WHEREAS, on March 24, 2023, the City Manager declared a local emergency for repair of a sinkhole located in the area of Haymar Drive west of El Saito Falls Street; and WHEREAS, Carlsbad Municipal Code, or CMC, Section 3.28.llO(A) implements Public Contract Code Section 22035 and provides for an exemption from formal bidding procedures for emergency construction procurements, and to use the emergency exemption, CMC Section 3.28.120, as well as Public Contract Code Sections 22035 and 22050, requires a declaration of a local public emergency by a four-fifths vote of the City Council, or by the City Manager subject to confirmation by a four-fifths vote of the City Council at the next regular City Council meeting; and WHEREAS, staff request that the City Council confirm the declaration for a local emergency for repair of a sinkhole located in the area of Haymar Drive because (1) Caltrans relinquished the right-of­ way at the sinkhole site to the city in 1967 and has no plans to repair the culvert segment located outside of the Caltrans right-of-way, (2) the sinkhole appears to be caused by a failed culvert located in the city right-of-way which threatens to undermine a critical sewer pipeline, and (3) immediate repairs are necessary to stabilize the sinkhole site and repair the failed storm drain line and to prevent the potential spillage of almost five million gallons per day of untreated wastewater into the Buena Vista Creek and Buena Vista Lagoon. NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Carlsbad, California, as follows: 1.That the above recitations are true and correct. 2.That the Declaration for a Local Emergency for repair of a sinkhole located in the area of Haymar Drive is confirmed. Exhibit 1 April 4, 2023 Item #7 Page 5 of 16 PASSED, APPROVED AND ADOPTED at a Regular Meeting of the City Council of the City of Carlsbad on the 4th day of April, 2023, by the following vote, to wit: AYES: NAYS: ABSTAIN: ABSENT: Blackburn, Bhat-Patel, Acosta, Burkholder, Luna. None. None. None. KEITH BLACKBURN, Mayor SHERRY FREISINGER, City Clerk (SEAL) April 4, 2023 Item #7 Page 6 of 16 Exhibit 2 April 4, 2023 Item #7 Page 7 of 16 DocuSign Envelope ID: 57B10B4B-D3CC-4CDE-9ADA-802ACC55BA67 Declaration of Local Emergency City Hall 1200 Carlsbad Village Drive Carlsbad, CA 92008 OF A SINKHOLE IN THE AREA OF HAYMAR DRIVE IN THE CITY OF CARLSBAD, CALIFORNIA WHEREAS, the City Council of the City of Carlsbad empowers the City Manager to proclaim the existence of a local emergency when said City is affected by a public calamity and the City Council is not in session; and WHEREAS, the City Manager of the City of Carlsbad, California does hereby find: That conditions of extreme peril to the safety of persons and property have arisen within the City of Carlsbad, California, caused by a sinkhole at Haymar Drive in Carlsbad, California that has the potential to threaten the integrity of the Vista Carlsbad Sewer Interceptor; and That the sinkhole was an unexpected occurrence that poses a clear and imminent danger, requiring immediate action to prevent or mitigate the loss or impairment of life, health, property, or essential public services, and is or is likely to be beyond the control of the services, personnel, equipment and facilities of the City of Carlsbad; and That these conditions do not pennit a delay resulting from a competitive solicitation for bids, and that the action is necessary to respond to the emergency; and That the City Council of the City of Carlsbad was not in session and could not immediately be called into session. NOW, THEREFORE, IT IS HEREBY PROCLAIMED that a local emergency now exists throughout the City of Carlsbad, California; and IT IS FURTHER PROCLAIMED AND ORDERED that, subject to confirmation by the City Council at its next regular meeting, a local emergency now exists in the area of the Haymar Drive sinkhole in the City of Carlsbad, Califqrnia, and city staff may proceed at once to obtain the necessary equipment, services, and supplies to repair the sinkhole without giving notice for bids to let contracts. Dated: 3/24/2023 S" ~ {}M,J»;ick By: -------------- Scott Chadwick, City Manager City of Carlsbad, California ·|}þ78 ·|}þ78 SA L I N A RD MARRONRD A S T O P L CAMPO AZUL CT WEST CRESTA CT C A S C A D A L N LA PRADER A R D MESARIDGE RD EL C E R R O C T MARISOL PL ADOBE SPRING S R D E L S A L T O F A L L S S T HAYMAR D R CARLSBAD OCEANSIDE Copyright nearmapPROJECT NAME PROJECTNUMBER96001 EXHIBIT3HAYMAR DRIVE SINKHOLE PROJECT $!Å **#5$ ·|}þ78 VISTA ENCINITAS SAN MARCOS S.D. COUNTY OCEANSIDE PACIFIC OCEAN ISLAND WY LA COS T A AV POINS E T T IA L N ME L R O S E D R C A R L S B A D B L ELCA MIN O REAL C A R L S B A D VILLAGE DR R A N CHOSAN T AFERD A V I A R APY AL GA R D CAN N O N R D $!Å Created By: Sara Jadhav 3/28/2023 J:\SaraJadhav_Customers\Scott Lyle\LocationMap\ProjectNo96001\LocationMap_96001.mxd VICINITY MAP LOCATION MAP SINK HOLE LOCATION Exhibit 3 April 4, 2023 Item #7 Page 8 of 16 © 2023 Microsoft Corporation © 2022 Maxar ©CNES (2022) Distribution Airbus DS © 2022 TomTom Ex h i b i t 4 Ap r i l 4, 20 2 3 It e m #7 Pa g e 9 of 16 CTC RESOLUTION RECORDED F/P : 53001 DATE: 03-29-1968 Ap r i l 4 , 2 0 2 3 It e m # 7 P a g e 1 0 o f 1 6 / I I STATE OF CALIFORNIA TRANSPORTATION AGENCY DEPj\RTMENT OF PUBLIC WORKS DIVISION OF HIGHWAYS DISTRICT 11 STATE HIGHWAY MAP No . .8..6_ D isf.'l .. ii:] co SD m ?B n. 2.4/4.b DISTRICT 11 2' • I ------I J OCEANSIDE +~ .. i I '' ------/ IC ~Ii -~ ------: j CoHege Blvd. U.C. 5JI / ~__;~ --------.__ ''"~ (.') 0Cf ~ ~ \0 ' -----::'1:' / "-' /tvs1of ~-~ ------ -----33 --------,._,.. ...J -C11"y -~•oO -------~ 2 ~ cf E;: -~ >o ----~"'--c, ...... ~z-:-c. O(f4a, --~ ~ I ~ ~ ~ ~'''"< . ----~ fiI/ u Ji/ ,,o ~~ (fll'A ',/ I \ -~ ~ -"'---~= "" ~-----~~~~~~~.;..__ . f5 1/:_=_.-;,c=."'~::::=~ ~ 0, ~-(!£i}, ~ " \:_:(IS -----r:--~ -22'0 ::t: :..----11'J _ -~~ __ -1 ----~;;;.;;.. 1--"'o _ <J'I \ " ----__ ~lU~~ _______, \ ~~=--=-=-230~ ~ ~\ Buena Vista == ""= RANCHD PARCEL-1 PARCEL-2 FILE NO 185247 FILED AT THE REQUEST OF STATE OF CALIFORNIA, TRANSPORTATION ,oo AGENCY, DEPARTMENT OF PUBLIC WORKS, DIVIS 1 ON OF H 1 GHWAYS I TH l S. 24th DAY OF NOY 196 7, AT 3; 03 £.M., CCUNTY RECORDER, SAN DIEGO COUNTY, STATE OF CALIFORNIA. A.S. GRAY~ COUNTY RECORDER BV• DEPUTY AQUA SCALE IN FEET REDUCED '°' 1000 ~, ~11 --~· <r,' R4tv~ ---~==,:?' < <>c 1 ,, 0 BourvtS;R--;---__ ~o • -u.i/1c§ ::F"' . , ------/ v---, I '4 " RELINQUISHMENT MAP STATE OF CALIFORNIA TRANSPORTATION AGENCY DEPARTMENT OF PUBLIC WORKS DIVISION OF HIGHWAYS RELINQUISHMENT ND _::15=0cc9c;1~---,~ SHEET_1_DF ~ UEA TO BE RELINQUISHED SHOWN THUS I,:: ... ,.,:,·:,,j 15091 1.TIF 21 JUN 00 Ap r i l 4 , 2 0 2 3 It e m # 7 P a g e 1 1 o f 1 6 oi , r'3 u-,::o, I I i-1 6 ~ ,,, c--1 C i-l O ~ ~ ;" l ;., ,,_ rl ,--"' , , ,,,, "" a " , o a 2 ~,,,, __ ,,_ ,. ,,,.,,,,., ,. ""' "',,,,,., "'"'°'"' -·;,,c . I --------JL_ r• , 0-c £ A C I T Y J;r;8c,;;--·...i ~ --..... ,,,.,,,,., ~,) ,1~--. : :z.1.0.,· --' <;)Gt.a. JI. 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'"' ___ , ___ ·yfs .,.,,i· ,.. •. •a•/ • ., • • . • ,, . • , '• ,,,,, d%f,<' •" •••• ,-••• ,>• •" >, -~ ---'.,i,s ~ ,,'J --., .. L. J/, S9'J6'' ~I ,,o S "• ,<4 Bi ; .S""":' >o, .,. ~" ••-•' ::1 ' p • • •-• , .-· ·•· -. .J.~ ff:¥-~ .. • • ••• ---· ~· . ' ' • ' --1-::r-· 908.6 9' ,, .. . . . .,. -· •' ~--• --" .. ,.. . ' ' ----' --. . ' , ~o~~;,~,: .. ~_-____ -~1 " •"., •• , ----. /" •' __ o _____ (I)_' .-~---.~---__ 'f-ch-. _.. _. -.[{/('.';;C" ff•1-ii' , •• --/, . --• -~~,,·-~ 79~(;,~ __ ,.,\clc;;,;;;~":/cc:'c-,;;:;!c-~X'---\t:~ .-.--Ni:;t;;;;~----"}~9:tf~'r ______ ~-.. ----------- .... ·••'• --.. .. . .,, ----/ ' -y"" . ---,.="-/ ' • • •· , . . --,, ... . . , .. ,.. --' .. . -. "'• ____ .. ,,-. ~---. . •. _.,A'-'/ . ' -----,~-··· .. -•--,, . l!i l.• I ----e----~• --. .c,c# ' ----~ ,, -~ " • , • , .,, _ __1 <'' ,, • · . · .4T· I • _, .. --w , \ -,'< ,0°0·0•08"1'. 78I 78 1 B 'A • D ',.,.,, £ jJ f:I" 57 R L 5 !"-0 'l.5' 'O .,, B\ '"f:., I ~?/_5,•0°'i_ ' -• ",,/ . 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GRAY, RECORDER NO FEE RELINQUISHMENT OF HIGHWAY RIGHT OF WAY IN THE CITY OF CARLSBAD, ROAD ll-SD-78-2.4-4.6 REQUEST NO. 15091 MAR 21 1950 WHEREAS, by freeway agreement dated June 10, 1963, between the city of Carlsbad and the State of California, and by City Council Resolution No. 1284, dated July 5, 1966, the City agreed to accept title to a frontage road and a reconstructed city street, upon relinquishment thereof to said City by the State of California; and ¼,:lEREAS, the State of California has acquired right of way for and has constructed the above mentioned collateral facilities in the City of Carlsbad between College Boulevard and .0.75 mile west of College Boulevard, road ll-SD-78, in accordance with said agree~ent and resolution; and WHEREAS, this Commission has found and determined, and does hereby find and determine, that it is desirable and in the public interest that said collateral facilities be relinquished to the City of Carlsbad for use as city streets; NOW, THEREFORE, IT IS VOTED by the California Highway Com:nission that it relinquish, and it does hereby relinquish, to the City of Carlsbad, effective upon the recordation of a certified t -~-- April 4, 2023 Item #7 Page 13 of 16 - copy hereof with the Re corde r of San Diego County, all of the State of California's right, title and inte rest in and to said collateral facilities in said City, together with the r ight of way and appurtenances thereof, described as follows: All those portions cf State highway right of way, frontage roads and reconstructed city streets, designated as Parcels 1 and 2 on those certain relinquishment maps filed for record as State Highway Map No. 86, sheets 1 through 4 i nclusive, on Novembe r 24, 1967 (File No. 185247) in the office of the Recorder of San Diego County. EXCEP'.i'ISG and RESERVING unto .t h e State of California any and all rights of ingress to or egress from the highway hereby relinquished, in and to the adjoining freeway, except at such points as now are or may be estc:.blished by resolution of this Co~rni ss ion. THIS IS TO CERTIFY That the foregoing is a full and correct copy of the original resolution duly passed by the California Highway Commission at its meeting regularly called and held 21ST l!ARCII 8 o~ the ______ day of ____________ , 196 , SACRAl.!ENTO i~fhe Cify of _____________ _ 26TH ¥ARCH 8 Dated this ______________ day of ___________ , 196-. _3M££~ ROBIRT T, MARTIN ASSIST ANT SECRET ARY OF THE CALIFORNIA HIGHWAY COMMISSION Ap r i l 4 , 2 0 2 3 It e m # 7 P a g e 1 4 o f 1 6 , r -....._ -' ; ,_ I Sh.eet No. I Tille Sheet STATE OF CALIFORNIA TRANSPORTATION AGENCY \ \ \ U II 2. II 3-11 " •' 12 U II 13 II r4-15~ II 16-.:17; II II 1a.:.37 k '11 38-;'43 II H 4+?3 Typical. Cross· Sections .layout ond Profile Detour Pion Miscello11eous Drainage. Details Quantity Lists •... Water Line Relocation Plans Standard Plans Lighting Plans and Details Traffic Plans and Details BRIDGE PLAN 11 • 64-'62 College• Boulevard Undercrossing Bridge No. 57-629 11 u I '-·. 84 Cross Sections I 29 I I . --------.1 DEPARTMENT OF PUBLIC WORKS DIVISION OF HIG.HWAYS PLA,.$ .~~,! CONSTlt0CTION ON $TATiE HIGHWAY ln San J?iego Co11n.ty in Oceanside, Carlsb~~· a·nd Vista near and at Coll~ge Boulevard being !he detail plans of a portion.of t~e route for th~ State hic;ihway adopted by the California Hiohway Commission , Nowmbtr 13, 1951 and declared a FREEWAY by resolution of the California Highway Commissio" Nov~mber 13 , 1951 OCEANSIDE / r:------. . .. -"/ f Pl'Oject 3·2. ·.·.•.·· .1. ---. ·. ·. B ,.!J!l•n• ."' . · /Sta .16 . .... . .. ,· .. --------- ---------,,.,,.,____------. • · 2 4 · -----,... · •',• · · ···•·· ., ,:· -----. DM. ·---.c .. •·, .. ,.· ... ·.·. ··.· .. · 33 . . .. ---... · .• '. ,. · ... ~ ... --=--.: .. · ... ··.·· ... · F, ~------._--.._. . . . ~• ••·· i ---------.' .. ···•··--... •.'· ... ·. ··•··•.·· ·. ' ',•. ' . ',,,' -----,',' --~ -- College Blvd. U.C. Br. No. 57-'-629 ) ~Sl. r,-~ l 'IJ..c~ End of eroj~ct Sta. 275.JO,O P.M. 4.6 . /911!!1 ✓, '~/ ~j !ii, VISTA I I Buena , I RA NCHD ·'!, ,~ ~ A QUA SCALE IN FEET 0 500 I()(;() .230 ~ . b~-r--. -~ ... I . .,,,,___~. __ _,'IIIQtR"y .. J v---, ,/· 34 V AS BUILT PLANS Contract No. 11-or/()9'.¥¥ Date Completed /2 -11..(,1 Document No. Ac!XJt:'/££ '(AS BU I LT" ··-·--· \,"•' ROIJT£ 78 LOCATION 1CAtl■lln ~~~~~.,., \ ~~~ .. ' ...... i.a-.·.·,-· ~~ .x'-~· ... ·~.·.' ·.. . .. /lrl•'-t Eo&iottr'llllniRo •• ""'.· 'c ~ Qfil ~ llo.. 00 ~ Jul{ 25 .. a66 .J, C, ~o ... acJc.., =-~r,516 ~~~~,,.- ~ CONTRACT 04004 4 YEAR COMPLETED I Z · ! h~. 7 """5,~; Length of Project= 2.2 miles Approval RKOIMlCflCMd ty· E. R~S_E.ITL..E ~ract No, I 11 ~()4~:~~-· '/Y {... ' •' Ap r i l 4 , 2 0 2 3 It e m # 7 P a g e 1 5 o f 1 6 4 I I I dl.·~. STATE 7 lcALIF. FECEIW. PROJECT NO. I ~~L I "I,'? I mils • - I I l I I I DONALD P. LOKER 1 \ \ \ .,,L TYPE CL-6 _ J. I I I I l ) ...l CHAIN UNK FENCE- I ' 1 _, I L.I _..l_____J __ l _l I I I I I l -I-- I I I CITY T.11 S., I OF OCEANSIDE R.4 W., s. B:B. &M SE \CTION 3~ 1 ~1 1 183+45.42 P.O.T. •J>:' ,?ATCI-I EXIST. DITCH I ai.ar. COU.IITT •011T1 POST IIIIL~ 11 SD ,I JI I I 1 1 1 1 I I I I JI I.Lo 1 I I I I I I I & I I I I I 1-1 _,__ ---------____ __._ __..... ------,r"--'dW'<lll'""'"--.=...--...,.-1"• LINED INTERCEPTOR DITCH '"'"'° ••-••• ,.......,m ,/,,f L~ /9£6 u-/j, ~ µ.Jo-' --~-· 24"x98CMP. r,. , / BEGIN BASE & SURF .,( , . "' I /,Ox196 C.MP. • , " · ·,~ .· ·. --------~~ \\ -------------------~"t~=t..~---~J>Jjt'-i~ -=~ ¾ i ---'--_______ ..,••-II ______________________ --·-----,-,' ------_____ -: ----------___________________ --~---~ '-· " ., 11 ,, " --::'5 f ii •: ,, •~ LINE' \\ _ 1~ ----.:;:;:::::::-==== -::-;::;,.,.;;:;;:;:;~::;= ti ---------~ ~----------- ~ ~ ___....... -----tr=::: --+i-1"='" ~ =----. ·cc , ----~~ -----'"-~ --;_------_ ---~ ---=-=== ----I , , , -·· • , • , , ,,,.,,. • --,r -, -"·::;:-====-:-:===:-:===:--e=,.,.,,....-J I --------__::ii==-:~----------------:..;:::=+=-~_;;_;,-===-.:::.-----=---=----------~~ -------- 0 -" II ' -,_-"!:! -/1 _ _L-_ ____ \\ 11 _____ _ _ ____ _ _ ___ /' --· __ _ ___ --______ ____ _ _________ --___ __ _ ____ BEGIN BASE ~ ~ _____ ;/'£_ ~ -------'--11 ----------------------------· / ----------------------------'..,0 ---------------------. .: ~ ,, =f:: II " ., r-Ji !, . . :: 24x238 cMP.---.._ ,7 ---------------CITY uMITSf -------Af;. SP#Y:....----0 54"x286t"MP.i7' ,jP 4 l< 25 o·c.tv1.P. :: -----orrcH _ ~Jo I. . ·0r-,-r-r-r-r-r-T PE L·6 CHAIN LINK FEN E ---~-t'A.8-M-oitch# It . . .• .. . ~II. . , 1NE.D 1NTERCEPTO~_ ~ ~. • a " T II 'n " , <I " " I' y r? I I' 11 o <I <I " , . , ~~. //"' II " • ,· ' ,1 -------3 < -1--'L~-= ~ ~ , •--•• - BA.ml•"""~• -__ -_:_:.-~ , , ,, -OMP.~11 ,.-~-~,..,~ ......_ ~-. L ,..CO ~• 1 ,~ \-~"""'"~ _..-i" • _ _ J.>, • ••= pL,CE EMS " • • ~ ---~. . =-- ~o ., . =-------~ -= ----=----• --. -:-=-~~~~-::-========~==t:Jr!-+=~-= --= ~--~ ', ---- __. 1_115"" ur~ -.,.4. .. 1-_ I E ! 1?() - I= ~==~==:::~~:=:::=-·-__ -~IS TA. -;-:-:-:r:,:;:;:.::=:-:' ·v.c.P. • !A.ti. =------~ ,_ - _ ~ A---_______ ------\ ,,,---____ -I 18• ~ 2 15 v.cP. _ --")• -:::::)i-------'~--------( ___ ...._ ----=::::----CONc. PV"T.) =-------,..,as.5'R~-B-1' ----~------· . =-I -~ ~ r--6 ~ 1 R,wc..-tRs'' UNE I / 12Rv -----.-- J.._ ~-!:'fJ,9' ,o· I I t < ·! .. ,. .. :o ,o ;~ ,II'. T:a88.05° / j L :17538' I I -n / ""--:o~e JENNIE /. MARRON :;{) 'l -+ CITY OF CARLSBAD ......;.:,:;;. L.110 .100 .. w- tj ~l1nn "1:-, C\() AO :-;= 70 - I Cu Ex~ ~ f I ~-I ~ Yds.Em 2 14 1994 ~ 1 4 Sta. 8 9 . 180 1 ,_,~ ~ Dodgn-~~ --·· ndodty ~ I .J.8.HOUSE .SSHEPARD: E.R. SEI_T!-_E_ ~ " ;2 :.fil_ 8"iF. 2- .. ··. ,--. ---i'~ -3.1.2. _.,._., ~ ? -:,an ..l.lA ?11 IA')- .4 185 ___. -E ,_-,- ;;:=e- -~ ().~-e\J\~ ~\P,HS \ = , con\rac\ N°-~ ;.-__ · l)a\e Cofl\\l\e\e~~.i--,.-. ii. oocufl\en\ ~0~ · -;, ~--' ·<::::f:: §_ 7_ 8 9 - 190 q~~~~~~~~~~I.~J;t~~4ii?'~~5¥ an An 79. - I 1 _2 3 .4 il!B .. ---~-..;;;.; I Ap r i l 4 , 2 0 2 3 It e m # 7 P a g e 1 6 o f 1 6 X 14-- I :::c z: t!I .,, w Cl ....I (.) a. (.) "' (0 M ~ i .l!!i c::,. a: :Ii: cJ ,-: <..) ..... a5 ~ ct t!I (0 co C.H. P. ct t!I :;r- ::r N l BIT. - ct ·1 ct (!)' ·c.:, ::r N ~ I ~ CT. l ct t!I N ::r .., ct t!I 0 N ,... "' .~ ;:= UJ ~ i ,-: <.> ..... ii> ; N >-....I C0 :E UJ .,, .,, ct "' 0 :::c <.> z ct N (.) ><: UJ w a: :::, .... u :::, "' .... en ....I .... ,.., C0 UJ a: :::, .... <.> :::, "' ... .,, t!I ;'!, Cl· Cl UJ C0 Cl w a. ... :::c . Cl) II, UJ UJ,.IX ~---::, LiJ -·1-a:::.--u ,(.),,::, z: "' ~=} !;; ' ,c·_-Q: -~,O z: _j 2: c...,-:- •Cl UJ ... ... t!I ... :::, UJ "'....I "' z 0- (.) a. . 0 t;·-a:: . Cl ... ....I -... C0 ,_ UJ ; :E U) M * ....I w w ,_ .,, ... z 0 !!: (.) ~ ::E z 0 .:: co <.> Cl W---o· ... :::c 0 ,_ "' UJ a. ::E w CL,,..~ 0 z: ...JO .,, ,_ ::r :ii.:::, ....... <-> 0 "' z 0 .:: <-> C0 w ,-Cl Oc:, "' :::c 0.. ,_ .w w ::E a. 0 :.:..,1•.;..... .,, ,_ :::c s.::: g J->" _,J 0 O< .,, ... UJ I a: "" ◄u i: <-> ,_ a: 0 .... ... a. ~ !!? Cl >-t!I "' • -I.., ,---Z • ; uJ <-> • <n.o i:-0 Cl J I 'lfll.·ilo.[SfUE_l no•"'"-l'KW•cr NO. I ·,w-j -•.:· I liriffi 7 ICAUFj I r 1-..... , ...... , -hl11t.6 POST MILi 1-=l~ uTz 11 I SD I 78 \-:~,. \ 4 .zf &66 --- J.I, ~ ... 0 :::, z e tii (/ I 'DRAINAGE: > IINIT NO I l.r.J.~l-F±LF.L L.F.l u.lkF.l• t,_;_F. I...Lr.l Ell. I r11. J c.v. I c.v. Js). J c.v, I FL I L11s. i c.VJc.v.l s.v I EA. I_ · _ I ITEM I R~M~RKS WORK TO. BE DO~E ~ ... ... :I: .,. STATION DRAINAGE IINIT Nn .1c:r-1:·1. .~J-,.·------·--t-•--•----•----~~1-. -__ ,_,.._,1 -I ,._.,_ -,--1--1-···-····:1--·-·1---1-'--I--··-··-·-·--•······-·---·--··-··---· ----j · ---·----·-··-·1-· 12• E.T, 1·p1j,_e· o.o. ...~---1....:...---· 1 FRS •10+00 Rt t I I a I ..... ,-...... 1 ........... " ........... s,o .... _ 1._ ··--··-···-.• ... ... -----··-·····-········ _Gutter FlanN.e~gJ:h = 20 ft .... ··--Gutter FJar'!' & Ene.!JILDissipator ·-· -··-·-·-· .... ·· ·-· ...... "' b 2 a .bl ~ 1--~---1•-·/4•--~--1- I· I I --"~··--~-,H-·-•-"1-·"--"·'·"~I-•"" -------}1bbrevi·ations ___ --------·~--- ·--··-·-··-· ------ --------------~ ·····•·-··- ...: .. -....... , ··-12"-E.J...c..,..& __ PlP.eJ>,_D..,_. __ ······-·• --.. F.~R ... ·.~=--..... 'L .. 8 .. ·.~ .. ~. _,!t .. _ +-.. 2 ... +L Gutter Flare & _Energy. Diss~ator. -·l·--··--···t-........ --·-+---1~ L L!.c. I'--· -·· · ·~---~ 13, 0 J,oll_!lec.t !o exist. C.M,p.•• -·---·-----H" C.M.P., Rock Slope Protection . FRS l78+QC . . a I •---•~--~--i~,,------- .3q.o . 33.i .----_______ o;.O -·-1--1====-----;:~: = ;;!~=~:;n Taper Connect to exist. c.~.P. •• ===:.::.::: ____ j 36" C.M.P. ,Rock Slope Prot~~ti~~ · t ··._··_· __ J FRS •ao+~~ Rt , I q I a I -··-·•·1-••-··· I ,_.J_,._L q2 I 2 ... _1. --1--• I·• 6 1s:.s I 1.,~ 15_..6 I I. 5 I. 2 1,.8·!---1----t------· 0.1. -Oro~.fnlet --·-----· ....... , A,£,-~ Asphalt Concrete _ 11 .. ,1, ·-·--· ---------~--.. Conneot to exist. C.M.P.•* 2q• C.~NJ..·,Ro.ck Slope Protectio~ · •. ··•··FRS-ln•o7 Rt•-.. 1-·s l a FRS 193+9.!.J..!•_·_1_· _6_·. I a ---+-'-""--' :~;t~~~-~.-2~~~•--·· •-···-•--····•··. I··· 3!>.• tJ .2.~-~ 20.00 I.JB.c>.1 ......... 1 .. --116.8 I-·-•--·---··-···------····----I ---1-----1------·--·I·--·· ----"~I-. --1---·----1-~•_,,.c_J_._~-1--~~l---5 .• _J) ,-~-, ____ _ .. , · ------~t---.,·---·--1--·--·-f-----· . 2~iiii:·,-·-r··r ··r-T·=r=·1=c-··--··---·---· --·---•-"·-1 See Misc. Details Sheet . ····· 1 w C.11.1':. •·· · · Connecfto exist, C.M.P .... (See std. Plan 0-93-3 O,M.P. 0.1., A,C. Depression -·-·-,--... ·-··-------i I I ·---··--·--........ -·· ........ --·------·--· ... ·-1 Skew 58° Lt ·--·-·-·--··-· ............... -·--1 18.' C.N,P .. _5'x.•_O_' .A.-~. Area ---t -· FRS 1_9.6+5 I 7 a ~···I-El••· s:o~,-·-1· ··-•-·'··911.11n ....... , '··~~·-•~l··~~··~,-~--~1~---··~1-· ---·-··-_, __ ,.,_ ------.. -·~--"----,,-~-·-"'-~·•·-~--.. -·--~f-~------O:S,D. I. -t~-··-,-·>,·-· -·"f----- ~ 8·=+·t·; ,~3 5!) .• : ,. -·-•·----·-··-·•!· •· • . .. I . ····• ·-·--•--··'~•::.. •. 5=5·-•-·----=l-!.~.'L -·_··.•.-.·-_···.-.-_·_·I---·----'~-·-··--·----·• -11-;i;. --+_-_,.._-_-_-_-_-_----~----_-_,..._-_-. ..=:.::·----------··---· "' --~:o-:~_-_··_·· ____ ---··-··-....... --· --·· FRS 206+90 8 a -.~~.-.-.-.·· .. J-~· 1~·ii':si -·-. ····· .. , ..... · .. · .. ,-.. ·.·_.5 _·9_-_·-+--··-_. :.::-=-~-== =----_ -·=· ... ... . ·~ .. ?-l-. 6 ... -..... · .. ·• ... 6 .. " .. ·l!._ .•... ·• ___ I-__ -+--~ ~~<!..~·:::.:::-,:::::.:.:: .. _,.._ ,.. _ ___, ::.::-==-==~· ·=· :.::· .. :.ih .. • ... .1 P.•@]!·ri·t-.i j;Y __ ··_-_-_-~::_-_-_·--... ··_•·_·-_· __ ·-· I. 2 o. I. o'pen i •e• ··--·-··-·-·-·-··-··--•""-----..... --}~-''f;-:-----·----·· -·---·!---· -·"····+---------t----t-:_ ...... d ·-· •·-···•·······-·•··--··· .... , ... 8.8_ --.. ·--·-·•----1---1--· -, .. 52,L, _q2,.6_. --·--·--··-·-·-.. --------·-·--.. , · .. ..... . ·---·t----·------·--·--·------··--·--··· 2~ C.M.P. ·-----··-----d •~-. Included in, price ·.c.P•=id=-.--------11--'--,·-~---...,.-----------·;zg---· a ["'s:so'·" "' '· -·-·-... -i--· .... 1.9~ 251 ···---· ..... perL:F;',ofP:ioe · _ _Jype18-9Grah -·----·--G-qo.1. ·----·--· A 196+75 9_,-!._ ; b" .................... ~ ........ ~·-····1 ,s --,--· 27.6 .... _gJ:;JL __ . --------··-·----·-• .. ---·--·-----·.. ·•·.· .· ......... '"'. , .... ·.. ··· , . n• C.M.P. b .:·· c--: . 6_ :_.QO . _,,_ ,.. 1_ ..... ------··--···---•-·· .. ·-........ --;---•l---ll ·········I·······-····"' + ......... ~ , __ _ ___ _!::,~(!_ 180 .•M•-·· ,_L3~ ____ ___ •••--~os,_.t_<O~-".'.'.-~~-~:i_ ~.?:··_:·:r:}~,~-~r-<-~~-nn_ecti on I· O; I~ Open i,na ____ ---~C..Ji•JL,_O_.J_.J_-~~~oy_re~s i _on --i--_c_ . I d ·· ., ..... , 108 68.q . 55.7 ..................... ,_1 ___ .. _11__ 7.8_ •ncluded,?tn;c.cost;pald per ~I-'----,-----·---· 2~• C.l!L,_ 7'xl0' A,C. Area d 1 .10 a .... ,.. ..................... , =------.. _ .. _ -·--"71L ~·=:=.:~ Issi-L ... m ... 'L '2184----·----c· -... -. -· --,--_:: =----.... l.f. of,:S~C.M;P. O.I; ' •. --c--·---------_:...==--··-··-·· ...... ___ "1',!_"~,_SJ!..!P.M...l!.!tdding_ .. _ ...... _..,_ ___ _,_C.L.LJllf 10 I a • ·•. ,·· .ti ·, ...... •-~1----1>---.---,..---.----,---.,...--•·-·---'· 70 i-Total c~•r.ied ~~e,r. to Rock UQP.e Prote_ction b !, c,' ·, l--··d-·-~··-t---.. -1----11---t---1---+---+-·-, ·· ----t---l-------1---~ Misc. A.c.·Area.l•i·st .. . . ---------------. . ------·-------+--------- ·.· ,:i• ·•a.· 3.50 ' ·-~~---+---, --.. -l·---t---+-:-=--:--I··--:-·:-· 3.50 180 _ 2 0,1. Open•ngs_ O.M.P. D.I. cs ... q+55.LL.-~1La ; < bi ". ---::=, .......... _ .... , ............. 2~ .... _ . __ ::..:=,= .15.6 13; I ·-···-·==:--=--= ==•-·------· ' # ~~~-~.l!i~ting Culvert List below . ________________ 2~• C.M.P. --·--·-------!----+--................ --b ·• •c 5.50 ' 2.62 210 L=7• __ O.L,D.I_. ___ .................. --·······•-············t-•· ........... _____ ...£ '·· d. .. . , ........ --·.. 10 3.6 2,8 --------,----------,-----------------•~t--,--,---,--·-------------- 2~• C.M.P. .. .. -___ d ,, . ' • ' ·. ............ . -----·-· ···-· -11----t---+---+--...--·1---+---+---t---+--+-._-_-_-_-t.~---_-__ -_-:f----_-_-_-;_;-:~---_-:_-_-_~_-_-~----~--,,.-_-_"':_-_-_-_-_-_-_-_-:_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_--::..~:~=··=-·===·==·=-==--=--------_-_-.. -_-_-_-_--------· -------------··---··--··--.. fa ·1 .a I•:... .............. , .. _.!.L .. --..--. --· ... __ -·-·· ..... 112,9 .~~ .• ·o .. _ .. __ --.-··---'-· __ __ _ ·.. •· ... ..... 2,• C.M;P. . .... ---------1-.. ·····-·-1_c·~--'!.!§O Rt 12 a • I.•·•·.'.~·, 10'5.~~ .. · .••.... ··a,:-••I•·-----_, ... ____ ... 1 .... __ 1. ___ ·•---2.621-'--'--'-. _ll!L·--·l---+--+-·~---------·----------·----c--L=7' .O···:· .. D .. •.· ·-··--... ·---.. -····.····-·-.····.·.···.·.··-.. ·····-.··-.--····... b I ~-.... 1.c .. ·--.. -l•·-·· .. --1--z.,,,~'-.... ---·--1---t----1 17.3 --15.2 1---+--· .. --...... ·--~--+---1------------------------------1------·--------------------n C.N.P. _ ··-··---··--c l'.d. <'q,501·---·· .... ··l-,-c-... ········-·I--"••... · .. ,.. q.so 180 -·--+---<I----+------·---------·-----------2.0.1. Openinas ----------+--o:M.P.D.I. -----·-----+--·-·-·--·-·· d 1 . 1,· ,. ' ,-• ........ ,-.................. 1~-· ·. -+--+----!-,---,-'-11-----1-·----=------,--........... -·-•·-·-···-•-·--.. --··------·--~-------------·-·--. ·. ------------. . 113 l'a' 5.oo I··-~----.·--------.-.----··---·---· .... ··••·· ---·-s .. oo 180 ----·-------------------·---------1-0.t.Opening O.M.P.o,• . ...-----·--· ··. ·' · I 'b.,. i ., ....... •. . ..... 'I.IL ... , ...................... , ..... -• f """'"'' ~ 27. 3 21.9 . . , ............ , ............ , ................... _., --··-----,----------,-----------. 2!J" C.M.P. CB 7+00 Lt.,Rt • • 3 a b ~. > : . • oo ...... ;:..: . ...::,· ·=-'!~-,-..-1;;--·---_:=·, 2308 ,, ·.· ·.18 .•. a . . . , s.oo 180 · ----·· ·· ···· -·· ... +···--·.-·---~·Eii"st;·~-C'ilvfr:t~.L: ... "ji;"~-;:;,r--1'1-;;;--• ·· 1~0~1·:0;;;;;1ng.______ ·· --· -· ---.. ····· t:~f::,~: I'::".:-•:-;••,~ •:"'0:•~,•·' ..... 1~•~•~•--1~-••·'_,~,a --•·• , ....... •••••·-••• ,-•••••• .. •••'"•••--1,-•••--1-:-,-~---' ------•-.. ----a•• ••~--•---- C d 1,· •·· .3.50 ·--·-··---•--~ ·.• •. ---.....----·i:·ss· -·iaii"' _____ ------.. ---.-.. · FRSCffi~•.1~~Y:j";Hdwl;-Ruove ,-1~---------'---.·· o.s.;o .•• • .. b< 1011-·. 58,5' ~7 .. l ----·-----~~~t----t--~-----"-c-.c,.,,,.-,,-,,,-.,,=--,=--------..--,-~a;·------------------------,'·•• 2~••c:,M;P. ·--•--· I ~ -t CB2...,~5!~_LL.L_ ...J..!L...L.. b L ... : ::=s ..... :~.-... ~ ......... ,,.................... ··-·--·---.• --~-A 197+30 2•• C,MtP: i. D. r,~R,e■ove ~orti:•n .. . . . . • · .. •. < > -·--·--· '.·,1·.·•.·.·i·s. .a I•'· ··-50 · . . ___ __ 28 •. 3 23;0 l---t---l unde.nn. ew. •c.·on.t .• P . ..:!. !:... g.•~•ai.!'~~,:.... Connect to ex,st. C.M.P. Lt.•• 2•."-·. c .• M"· ~----..................... ___ L_ ... .___ j ca 8+6.0 Lt. I 15 I .L..i z~--:-· --_-_ ---ir ,_ ~-, __ ... --,-----,---•·-... ---·-·-.---.-.., _______ ··-~ __ _ _ _ _ .. . _ _ . _ _ -----: . -----: ._ ------··r I .,: ,.•.·~ nn ' 1.qf 1n cs3· 19·5+50 Rt, 2•• c.M,P. -Ra■ove o,.s.o. 1. J,_6 __ ,~~J=-"'-'•v-" ... ""'"'--•~-~ ,~,:..,_,,.._ --• "'-•••·-·--•-,= ---• ----~----~ ----C •-••--•-• ---•-~~~, •-• m,-•-~ ' ,,_,,, -~=••-•-~---• ,;=:•• ~~--~"-•_c•7:_=:~••"""'--•---••••-"' '"=~,,. ~ •~•----•-~~••-----------•~••---• """"~" "•""~•---~-=,-~ ~~,--~~-~~-CB, 207+2'. 16 I a iCb 92 q3,2 3.3.2 . ··, · · 2,i• C.M.P; li:2 a I' --====~ cc ' 0 7 .· -== .. ~~==~ .... _...... A iost:57 511 ·• ~;~~Ps~i:c~~.::::ils Sheet) Connect to exist. C.M.P. Rl_... ............. _____ ,_1_2~ C.M:~----~.~ ..... ----·---l-.=~::.::=rc.s-·2+70 Rt. I •1 1a I e-= .. ' ·. -,··--·------.-· ,· .. ...c.._ -·-· -·--+-----+-,--+---1---+----+··,_--+---1--=-=+---t-=,:::- --• ·--t-b_. :i2 . a ·• • 11. 00 __ ,_ _ _,, ___ • ·. --1-=,---:,-t-,~-= I. • 1 321 . •. ·.. . b . .. •-·---' ~q. 25.0 19 •• Type 211-12.Grate,. ~.•x5LA.C. Area G-1 D. I. ~ I' ,o,m " . o I -0~5'x2}· Side Opening n• C.N.P. --·----·-------b • f "I I II ,.oo ,Oo -"•' =-~--. ._..-~ ... I I -D. I. Opening . O.~.P. 0.1,, A.C. Oeprmio-;, ...:::_-::..~. ~ -· -:-_.::.:::: :=-=·=---·--: d ·.· . . · 511 29.7 1· .. 23.8 1---l---~f----+---1---1-----,f----+------------------·-------'-;------.-'------------------+--2L_C_.JkP. ____ .. . .. ----- --•-;·· ·.• 5,50 . •· •.so 321 2.2 --·-t·-------,--------------------·-1 Type 21J-12 Grate, ll'x5' A.C. 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