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CONTRACT 5321B Amendment CLOSED Agreement No. 5321 B SECOND AMENDMENT TO AGREEMENT NO. 5321 BETWEEN THE CITY OF EL SEGUNDO AND DENN ENGINEERS THIS SECOND AMENDMENT ("Amendment") is made and entered into this 10th day of July,2017,by and between CITY OF EL SEGUNDO,a general law city and municipal corporation existing under the laws of California("CITY"),and DENN ENGINEERS,a California corporation ("CONSULTANT"). The parties agree as follows: 1. In addition to the amount set forth in Section 1 of the Agreement No. 5321, the CITY agrees to pay CONSULTANT an additional sum not to exceed six thousand dollars ($6,000.00) for CONSULTANT'S services, plus a two thousand dollar contingency ($2,000.00) for the increased scope specified in the attached Exhibit "B," which is incorporated by reference. 2. This Amendment may be executed in any number of counterparts, each of which will be an original, but all of which together constitutes one instrument executed on the same date. 3. Except as modified by this Amendment, all other terms and conditions of Agreement No. 5321 will remain the same. [SIGNATURES ON NEXT PAGE] 1 Agreement No. 5321 B IN WITNESS WHEREOF the parties hereto have executed this Amendment the day and year first hereinabove written. CITY OF EL SEGUNDO, DENN ENGINEERS a Iget law a California Corporation . ............. Greg rpciit, Gary Roehl ,C ty Itg nag President ATTEST: Taxpayer ID No. 95-3619232 Trk' y V Ciy r k APPROVED AS TO FORM: Mark D. Hensley, City Attorney 2 Agreement No. 5321 B EXHIBIT B 1. Please provide a fee proposal for topographic survey for design for the northern side of El Segundo Blvd from Penn to Arena St. The survey will be used to determine if changes to the curb and gutter existing elevations is a feasible solution to resolve the ponding issue. The City would like a scaled topographic survey (1" = 10')to existing private property lines, of El Segundo Boulevard between Penn Street and Arena Streets for the purpose of design to improve existing street drainage and eliminate a current ponding issue in the gutter. The survey shall include elevations for the back of sidewalk,top of curb, flowline, gutter edge if applicable, the asphalt three feet from the edge of concrete, and the centerline. The survey will help determine the direction of stormwater flow past the named properties and will likely be used for design if new sidewalk is required. California registered land surveyors with valid licenses shall perform the surveying. 2. Please provide a fee proposal for design of construction plans for a curb and gutter solution to the ponding problem if feasible. The City would like a scaled construction plans (1" = 10')that show the removal and replacement of existing facilities and any new elevations to be used for asphalt or concrete installation to improve the existing drainage conditions. City titleblocks and general notes shall be used for the designs. California registered civil engineers with valid licenses and experience with street drainage issues shall design the construction plans. Both a .pdf file and an AutoCAD file of the survey information and of the construction plans shall be submitted as final products to the City. The AutoCAD files shall be compatible with the City's AutoCAD software. The successful firm shall be able to obtain the proper insurance and business license and enter into a standard City agreement with the City for this project. Agreement No. 5321 B 61111 -. June 15,2017 ADDENDUM NO. 1 to REQUEST FOR FEE PROPOSAL FOR SURVEY AND DESIGN SERVICES for EL SEGUNDO BOULEVARD BETWEEN PENN STREET AND ARENA STREET ATTENTION BIDDERS: The following additions, modifications, and clarifications to the specifications shall be included in,and become a part of,any contract which may be executed for the above project in the City of El Segundo: 1. The proposal due date and time has changed to June 21,2017, at 3:00 pm. Fee proposals can be emailed to Floriza Rivera at frivera@elsegundo.org. 2. Please see the attached supplement for responses to consultant questions. As evidence that the BIDDER has read this Addendum, the BIDDER must acknowledge same in the space provided below and submit this Addendum with the Bid Proposal.Failure to provide such acknowledgement shall render the bid as non-responsive and subject to rejection. Signature: Date: (0 Print Company Name: 06-AJIL.1 6 k�6-/Ad�EI2 f Page 1 of 1 350 Main Street,EI Segundo,CA 90245-3895 (310)524-2300 Fax(310)640-0489 Agreement No. 5321 B CITY OF EL SEGUNDO EL SEGUNDO BOULEVARD BETWEEN PENN STREET AND ARENA STREET REQUEST FOR FEE PROPOSAL ADDENDUM NO. 1 SUPPLEMENT DATE: 6/15/17 TO: All Prospective Consultants The following questions have been raised regarding this request. The response to each question is provided here and made available to all prospective consultants. The information and clarification provided in this Addendum shall be considered as incorporated into the scope for this project. All other portions of the project scope and previous Addenda not specifically mentioned in this Addendum remain in force. Question 1: Are profiles needed for the designs for El Segundo Blvd.? Answer: Yes, any profiles that would clarify the construction that needs to be done to correct the current drainage issue in the area would be required. Question 2: Do you want the street cross-sections prepared from the survey information or will the City prepare the cross-sections? Answer: The successful consultant will prepare all street cross-sections and plan details needed to construct the drainage improvement. Question 3: Should the field information as described in the RFP (for use of developing the cross sections and existing profiles) be at 25 foot intervals or? Answer: 25-foot intervals are the maximum that shall be used. Smaller intervals shall be used if the designer deems it necessary to do so to provide a successful solution. Please include driveway approach elevations (flowline at the top-of-x locations, and the top-of-x elevation)where driveway approaches are encountered along the survey in the event that those approaches will need to be reconstructed as part of the street improvement. Designs shall call out new elevations for the same locations if necessary. Question 4: How far up (northerly)the adjoining Streets and Alleys do you want topo information? Answer: These are minimum suggestions. Smaller than 25-foot intervals, and boundaries extending past those suggested below shall be used along the adjoining streets if the designer deems it necessary to provide a successful solution. Elevations shall be taken at all grade breaks along the survey routes. • For Penn Street, 30 feet north of the flowline on El Segundo Blvd. • For the alley between Penn Street and Sheldon Street, north of the BC to 10 feet past the north edge of the existing grate. Please take elevations at the grate as well. City staff has had to place sandbags at the intersection during severe rains. • For Sheldon Street, 30 feet north of the flowline on El Segundo Blvd. 1 Agreement No. 5321 B • For the alley between Sheldon Street and Arena Street, 30 feet north of the flowline on El Segundo Blvd. • For Sheldon Street, 30 feet north of the flowline on El Segundo Blvd. • For the alley between Arena Street and Eucalyptus Street, 30 feet north of the flowline on El Segundo Blvd. Question 5: Do you want topo information (to the east and west)to the other sides of the intersections of Arena and Penn? Answer: Yes. Please begin the survey at the NE corner of Penn/El Segundo Blvd. Please end it at the BC near the Hydroflex building at 301 El Segundo Blvd. A fire hydrant is located at the NW alley corner where the survey will end. I r I ula�l!° w� uM ; iYl a I a iry(II� Io�p� ikl)V^ IIII II IIfpll�rYluQiI�V,� Ali III�id Il�im I I it u uA u IIII I I I VI)i IM1IIlIi lull H'. 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Question 7: Should research/plotting of existing subsurface utilities of record(in the proposed construction area)be included on the topographic survey?This would be needed for the construction plans. Answer: Yes. Question 8: Where has ponding been noticed? Answer: Ponding has recently been noticed east of and at El Segundo Blvd./Sheldon St. and El Segundo Blvd./the alley west of Sheldon St. Please see the pictures on the following page. 2 Agreement No. 5321 B I awl , I � I"N°I il�ifl N1�'Y w;rw 4µ,;;,i A II XIXV � 1i w IflW I I. 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' i.o,N�i' IXtlll'N���i�VWi i �IrlVl�ld"I IIIN4 IVVIdwIwN4v',11,,,, ' Iil�lu°P., u El Segundo Blvd./Sheldon St. N IIJ�I�III mull�V U^`I ��ow� GI' iIIYIIIW V�UVI�N'iiil n"�Ii��Vvl I .III, u d l 'IY �I�i I°1 I uuu°u I 1111lµII � ul� ill n �Illlu N0 I iiuWll���lhl�llllll((���Iu luuum II ,II �1 li�'lllll llll'IIIIbIVi II`!I; it I I(i I�%" ia Y i iIN,I IIIIy^IpuIGPI/dlMlpgpd!,uulm I III IIIIIIIIIII I m�' �u�CV���i^IVli�ll „uIIIII�iII mo 1 rl NN��J,.., .,. II i Il�(II��I VI, Ydl Ni^II Illlu il�ulm n IIFi v NIIN 1��Iv1ry4NY!UIi�IIj�I,1UNlri/ I tllu ' Vrr ^I�I��N��III"iINv161��111 hull ump �6'll'�^ I"II �I IVVVm� IIIIIIII n I�"u tll� 1VV^^i�i W�ppl ill�ileN I i I w � ���MII�d��I�h�idIIIUYII�UN° IYII`V YI^ v/�I �!��I��% V�VuI(NN�IVIfI ,SIN"Y Illu;q�Vy��u4�°o���h�lidrl�^I Ihll� iI°° I VMh''Ilwdvu�N''mmN�ll�ui "wu ! I liyl�mu�yl)lIIIYf�I�le)(I�Ir� i„"' El Segundo Blvd./the alley west of Sheldon St. 3