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HomeMy WebLinkAboutRCC AGENDA PK 2000/09/18 Mitigated Negative Declaration PROJECT NAME: Palomar Street Widening PROJECT LOCATION: Palomar Street between Interstate 5 and Industrial Boulevard, City ofChula Vista ASSESSOR'S PARCEL NO.: 622-020 No parcel assigned to street right-of-way PROJECT APPLICANT: City ofChula Vista Engineering Division CASE NO.: IS-99-07 DATE: September 18, 2000 A, Proiect Setting The project setting consists of an existing roadway section of Palomar Street between Industrial Boulevard and Walnut Avenue/ Frontage Road (Figure I). The street right-of-way is located in a fully urbanized area in the southwest portion of the City. Surrounding land uses are as follows: North: Single family residential, multiple family residential, and commercial East: Light rail trolley line and commercial West: Commercial South: Vacant & occupied commercial The site does not contain any structures considered to be of historical or archaeological value based on criteria established by the State of California Historical Preservation Office (SHPO), B, Proiect Description Palomar Street from Industrial Boulevard to Frontage Road/ Walnut Avenue The proposed project would widen approximately 800 linear feet of Palomar Street from an undivided four-lane roadway to an ultimate six-lane prime arterial fTom Industrial Boulevard to Frontage Road! Walnut Avenue (Figure 2), The project is partially funded by the Federal government and as such must comply with the requirements of the National Environmental Protection Act (NEPA), NEPA document(s) will be prepared by Caltrans following the completion of the California Environmental Quality Act (CEQA) process by the City of Chula Vista, The proposed widening implements the City of 1 Lst -0 ~ is) ~ ai .~ 1-5 ~ c; :; ~ c: - m 3: ;~;i1m§iiii$1;M; Palomar Sf. -0 a:: ., C> 19 c: e u.. Anita Sf. MainSt. r I I I Not to Scale Pa4æ A'oile emtwL VICINITY LOCATION Figure 1 -----~--- J4;. - . ,,-- "~'- " 1·,1" _, ," 1--. V ,- \'1' " ' r \ ' J'- ,- '-.., .... \ ':\ \ \ ...--._-"""-0, - , t' <, 'Il' r' '\\ t, " ________~--.~ . "~ :L._- \ '\ \ , \ ., lI) r---= ' \ " ~\ \) ;;-~ \ :b. ''! ;';¡-'"'--~" \2;, r- "'~ I i '" ~ :,', ¡ " I I .~"," ,-c;~'"_J>" ~.J - ,,~,,!, I)" , , " ,',' ~ ,'I II' \. I "" ~ - / ('i c:a \ "'".,~,..,~ ~ ' a", -----.' 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'\->'- '< S! ì" í \' ,,\y/ ~ ~ ~~J\ 1, ~~'~\\'\ = ~ ('t> N Chula Vista's General Plan that designates Palomar Street as a prime arterial. A prime arterial includes six travel lanes, a l6-foot median, sidewalks, curb, and gutter. The project includes the acquisition of additional right-of-way along the north and south sides of Palomar Street. This will result in the demolition of a single family residence (1198 Trenton Avenue) and a vacant 1920' s gas station (1196 Industrial Boulevard) with a two-car garage that is currently being used as an art studio and storage, A vegetable! fruit stand on the south side of Palomar Street will also be affected (Figure 3). The fruit! vegetable stand may not require relocation and might instead be setback from the proposed right-of-way and remodeled. An abandoned building associated with fruit stand is also proposed to be demolished, A Final Relocation Impact Study (Ryals and Associates, September 18, 2000) was prepared to analyze the orderly, timely and efficient relocation of persons and businesses within the project. Right-of-way acquisition will commence once CEQA and NEP A reviews are completed, Industrial Boulevard at the Palomar lutersection The westerly side of Industrial Boulevard at the Palomar Street intersection will also be widened to its ultimate width at both the northerly and southerly ends of the intersection, The northern and southern ends will each be widened for approximately 50 feet at which point transitions to match existing pavement will be constructed, The northern and southern transitions will be approximately 20 feet and 250 feet, respectively, The northeast comer of the Industrial Boulevard! Palomar Street intersection will be widened to its ultimate width for approximately 85 lineal feet of roadway, measured from its intersection with Palomar Street. From that point, the roadway will transition for 250 feet to match the existing edge of pavement ofIndustrial Boulevard, All of the proposed widening along Industrial Boulevard will be contained within City right of way, Traffic Signal Relocation A traffic signal relocation associated with the project will occur at the intersection ofIndustrial Boulevard and Palomar Street. Said relocation will be required due to the widening of both streets, The traffic signals will be relocated within the vicinity of the existing signals and will accommodate the newly proposed improvements, Associated Drainage Improvements The proposed project does not result in the alteration of the existing drainage pattern or in an increase in surface runoff, Drainage improvements are proposed to convey existing runoff associated with the project and immediate project area, The proposed drainage improvements will include installing new RCP and!or PVC pipe underground and constructing curb inlets, cleanouts and head walls at certain critical locations as determined by the engineer of work. In its developed condition, the generated flow from the study area basins will be conveyed through storm drain facilities, which ultimately outlet to existing channels, Currently, the flow generated at the south side of Palomar Street, between Frontage Road and Industrial Boulevard, is being conveyed across Palomar Street by means of a cross gutter, Due to public safety considerations and potential damage to adjacent properties, the cross gutter will be removed and replaced with storm drain facilities which include a curb inlet and 2 · V) ;;: c- '" - II' "'" c::, - -<:oJ ~~ c::,:.,. I c::,¡:;j ",:.,. - ,-"" 8~ I ::¿t¡¡ c::, c::, c<: ~~ <::;i 2 ~ ~ -. 2 ~ -. V) ::::; ;::; !) "'U ::::0 0 "'U 0 »~ (")0 0 C::::O U>C) -I --1--1 0 ZO ...,., :E » -< ",:.,. ~;g \J i::::g "''(j ::0 ::r:'" Ç):.,. () ()o 0::0 Í'ij c-;;;j ::0", " ~<:oJ -<<:oJ -. lJ)t¡¡ <::;it¡¡ :::> c<: C) .-< ~ ::r:' ~ "'" "'!'j 2 ~ -. "" r.I ~ = - r,; ~ underground piping, The runoff will ultimately outlet at an existing channel adjacent to Interstate 5, Sumps are proposed along the westerly side of Industrial Boulevard at both the northerly and southerly ends of the intersection with Palomar Street in order to convey the generated runoff associated with the drainage basins, The runoff will ultimately outlet to the east along an existing earthen channel adjacent to the MTDB trolley tracks. At the outlets, head walls and splashwalls will be constructed to minimize disturbance in the channel area. The runoff will be conveyed to the channel by means of curb inlets and underground piping (Figure 4). C, Compliance with Zoning and Plans The intent of this public works project is to provide for the ultimate design width of a six- lane prime arterial, as designated in the Circulation Element of the City of Chula Vista General Plan, The proposed project does not involve the change in any land use designation or existing land use, The proposed project is consistent with the zoning and General Plan designations. D. Identification of Environmental Effects An Initial Study conducted by the City of Chula Vista (including an attached Environmental Checklist form) determined that the proposed project will not have a significant environmental effect, and the preparation of an Environmental Impact Report will not be required. This Mitigated Negative Declaration has been prepared in accordance with Section 15070 of the State CEQA Guidelines, 1. Air Quality Potential Impacts Associated with Asbestos The existing structures will be examined for the presence of asbestos prior to demolition, The applicant will be required to contract with a consultant certified by the State of California to conduct asbestos assessments and supervise the proper removal of this element if it is found on-site, State and local regulations require that a permit is obtained and the proper protocols followed in removal of asbestos as outlined in Section E below. Construction-Related Impacts The proposed project would generate sufficient emissions and dust during construction-related activities to result in a short-term significant. but mitigable, impact to air quality, During the construction phase of the project. short-term emissions of several types of air pollutants would occur, Dust would be generated and the combustion of fossil fuels by construction equipment would create emissions, Fugitive dust would also be created due to clearing, earth movement, and travel on unpaved surfaces, Although air quality impacts 3 '. ,- ø"'''''' ';/ ~~ / \""" "'". . /' .~ '"" , ./ '\...x /: \, \é~ ". './ ,/ .... ",r;\;\,~.' _",'" /:,' / '-,/, C' . . . '-. ..-:...." ;:- --.....-.--- ""\. '\ '", . "Z" "I' ,'; '~.";"" . " , "', '", ~ , , '( \~.'" ;.'.'.1, /\ \."."".". '.' ~ ---- /. V'.' c~.. S y(" .» 'J.""'.è\r ' 'Ä' " " . ", ",. ., . ' / C' . " V". . . 111 / ' " \".. ! C . \" . "' \ / ~ '/- .~ . '. '--'-' i I "' ' , ?' ,.,. ,". i' ! , ¡"'c !! '. ~'I . ,. 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IJCI = "'! t':> .þ.. resulting from construction related emissions are potentially significant, they are considered short-term in duration since construction is a relatively short-term, on-time activity, Dust control during grading operations would be regulated in accordance with the rules and regulations of the San Diego Air Pollution Control District (APCD). During construction of the project, the project will be subject to mitigation measures outlined below in Section E. 2. Noise Permanent Noise Impacts The proposed project is subject to compliance with the City of Chula Vista, Federal Highway Administration (FHW A) and California Department of Transportation (Caltrans) noise criteria, FHW A and Caltrans noise criteria are applicable for the land uses adjacent to Palomar Street due to the use of Federal funding. An Acoustical Assessment Report was prepared for the proposed project by Pacific Noise Control (April 2000), The complete report available for review at the City of Chula Vista Planning and Building Department. The results ofthis study are summarized below, In accordance with Chapter 19,68,101 of the Municipal Code, the Acoustical Assessment Report describes community noise levels in tenus of Community Noise Equivalent Level (CNEL), The CNEL is a 24-hour average A-weighted sound level with a ten decibel (dB) "penalty" added to noise during the hours of 10:00 PM to 7:00 AM, and a five dB penalty added to the evening hours from 7:00 to 10:00 PM. The penalty is added to reflect increased noise sensitivity during nighttime hours. The A-weighted scale meaures noise levels corresponding to the human hearing frequency response, The City requires that the maximum acceptable exterior noise level for new residential development not exceed a CNEL of 65 dB. The Acoustical Assessment Report evaluated noise levels at residences immediately adjacent to Palomar Street in tenus of the peak (noisiest) hour average sound level. The FHW A follows the noise abatement procedures established in the Code of Federal Regulations (Title 23 CFR 772), Caltrans follows the noise abatement procedures as well as policies established in Caltrans Highway Design Manual Chapter] ]00 and Traffic Noise Analysis Protocol (Caltrans 1998). The FHWA noise abatement criteria categorize different activities and land uses for the purpose of assessing noise impacts, The criteria are based on the peak (noisiest) hour average sound level. The noise abatement criteria for outdoor noise exposure are applied where frequent human activity such as swimming pools and common use areas at residential areas, The FHW A considers a traffic noise 4 impact occurs when the predicted traffic noise levels approach or exceed the Noise Abatement Criteria, Based on the results ofthe Analysis in the Acoustical Assessment Report, the backyard of two residences located near the northwest comer of Palomar Street and Industrial Boulevard would be exposed to peak one-hour average sound level of 67 dB and 69 dB. These noise levels would exceed the FHW NCaltrans noise criteria, The Acoustical Assessment Report recommends the construction of a six- foot high noise barrier at 1196 Industrial Boulevard, 1193 Trenton A venue, and 1198 Trenton Avenue to reduce potential noise impacts to a level below significance. Those proposed 6-foot high barriers are generally located upon the right-of-way except for the wrap around required to effectively attenuate the traffic noise (Figure 5), The 6-foot high noise barriers will result in future mitigated peak hour average noise levels from 61 to 63 dB at these sites. A six- foot high noise barrier would also mitigate the noise level to 65 dB CNEL or less and would therefore comply with the City's CNEL noise criteria. Upon review of the Acoustical Assessment Report, Caltrans determined that the recommendations of the Report meet the requirements for a traffic noise impact analysis in accordance with Caltran's Traffic Noise Analysis Protocol (October 1998). The incorporation of a 6-foot high noise barrier in the project design, in accordance with the Acoustical Assessment Report, will mitigate noise impacts to below a level of significance, Mitigation is outlined below in Section E, Temporary Noise Impacts The proposed project would also result in temporary noise generated by construction equipment. According to the Acoustical Assessment Report construction, equipment would result in a maximum noise levels at 50 feet range from approximately 75 to 95 dB. The Acoustical Assessment Report recommends that each internal combustion engine, used for any purpose on the job or related to the job, shall be equipped with a muffler of a type recommended by the manufacturer. No internal combustion engine shall be operated on the project without said muffler. Additionally, construction activities shall be limited to the following hours: weekdays /Tom 7:00 a,m, to 7:00 p,m, and Saturday from 7:00 a,m, to 6:00 p.m. Construction shall be prohibited on Sunday. Construction equipment shall be maintained in proper operating condition and shall be equipped with mufflers, The proposed mitigation outlined below in Section E, in addition to compliance with the City ofChula Vista Public Works Standard Construction requirements will serve to reduce noise impacts to a level below significance, 5 . I i i ...--- I ~ ..~ ___ . I ':b ~/ '. . __ i ,I ~.... - 1 ' ""'S ""V ! . <.. ,..... I "'-J I ' ~ .~ ~ _ ".J !,Ii' ~ ~ I. I : .' ..Vt));' / \"" I ." ,..... <..- . "¡ "'-J._-.I '- ,'_ " "<I -,' ..... ~1 J ' I ; \,:¡:,~ë§\ \ " I' \ (f5~~ , <: !:!J.- , r--- ~ ' . . __::0' , ,.,,::0 ~ - . ~ -- ,. ., ..':ij . ,~> / "' ' '. .1 ¡jJ . j.. j / ~.. ..-"" ..... . . , t!j' ..-~" . 1 ' ..-- " .>_'--:/' . /." 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Q\', \ \ »0 D ' '^ ,\ \ " \.. ~ '" " ' ".,. '»- y, \ ' \"-' < '- ' ~, - . '" . ' /" ...-' "..1//- \ ' -' - ~!;2 ~ .. ,,\ ' , t1\ \ ' ,c" '" ~ ' ' _ " \.,. tt1 wz < ' ,. ,\ ,..... ~ .-<'/ ~ ' ' ,I ! " 1::,,- ~,/ / -, '" ' ' i ' \ -' ,.,...""" /--/ / \ (/)..,' I' I' ,/'/ ~. I :::0 ../~ //// , . ,/,/' ! /' /~\'-_/ , " I /' /' ~ ~ ~~ ;g , ,\.,.:'::6'/'" ,'/'/ ./ ,rt.19 --' ' :t::O Ç')" () )\ ' /' \JI"~ // /-:.-,- DD D' ~ ' ," " ,,// c-",::o""~ '~..' .'... ' /,- /';C- <~ ,~ " ' ,,,, ' ,/,,,F ","" ",,'" I' '. ' ",-- ,,/..'" " '- ~ . . ' ,// ~ "." ' ,. ,'/ "..-/ "r ~ ; /-. .,-.", ,/",>~~>,/"j ..- ,I' "" "' ' /,,/ ,/'/ - -, ~ ' "..-'/- "' ~ ' ,//,.. ~l /~~:,/'-- --- " ~ __,/ rt ",,,' " "p"" ~ .//1'/RI!-S' //}> '" " ..' ..- --,:'ççç::>/ "/ , , I E, Mitigation NecessaI)' to Avoid Significant Effects Project-specific mitigation measures are required to reduce potcntial environmental impacts identified in the Initial Study to a less than significant level. Mitigation measures have been incorporated into the project design and the attached Mitigation Monitoring and Reporting Program (Attachment "A"), AIROUALlTY Asbestos Related Impacts l. The applicant shall contract with an environmental consultant ccrtified by the State of California to conduct testing for the presence of asbestos in the buildings to be demolished at 776-771 Palomar Street, 1198 Trenton Ave" and 1196 Industrial Blvd, and for the proper removal and disposal of this element, if detect cd, prior to commencing with the demolition operations, The applicant shall be responsible for obtaining all the required pennits fTom all affected state and local regulatory agencies including the San Diego Air Pollution Control District (APCD) and shall further provide proof of having obtained approval to proceed with this process to the Planning and Building Department prior to obtaining a building pennit. Construction Related Impacts 1, All unpaved construction areas shall be sprinkled with water or other acceptable dust control agents during dust-generating activities to reduce dust emissions. Additional watering or dust control agents shall be applied during dry weather or windy days until dust emissions are not visible, 2, Trucks hauling dirt and debris shall be properly covered to reduce windblown dust and spills 3, A 20-mile-per-hour speed limit on unpaved surfaces in connection with the project shall be enforced, 4, On dry days, dirt and debris spilled onto paved surfaces shall bc swept up immediately to reduce re-suspension of particulate matter causcd by vehicle movement. Approach routes to construction sites shall be cleaned daily of construction-related dirt in dry weather. 5, On-site stockpiles of excavated material shall be covered or watered, 6, Disturbed areas shall be hydroseeded, landscaped, or developed as quickly as possible and as directed by the City to reduce dust generation, 7, Heavy-duty construction equipment with modified combustion/fuel injection systems for emissions control shall be utilized during grading and construction activities, 6 Catalytic reduction for gasoline-powered equipment shall be used, Also, equip construction equipment with prechamber diesel engines (or equivalent) together with proper maintenance and operation to reduce emissions of nitrogen oxide, to the extent available and feasible, NOISE Permanent Noise Impacts 1. Noise barriers shall be constructed prior to the opening of the new traffic lanes at required locations along the north side of Palomar Street as described in the Acoustical Assessment Report (Pacific Noise Control, April 2000), Specifically, this will include a six-foot high noise barrier at 1196 Industrial Boulevard, 1193 Trenton Avenue, and 1198 Trenton Avenue, Temporary Noise Impacts 1. Construction activities sha1l be limited to the fo1lowing hours: weekdays /Tom 7:00 a,m, to 7:00 p,m. and Saturday /Tom 7:00 a,m. to 6:00 p.m, Construction shall be prohibited on Sunday, Construction equipment shall be maintained in proper operating condition and shall be equipped with mufflers, I agree to implement the mitigation measures required as stated in Section E of this Mitigated Negative Declaration. b~~~e 61y mgll/eer JI)Z¡Ja) v Datè" v F, Consultation 1. Individuals and Organizations City ofChu1a Vista: Marilyn Ponseggi, Planning Division Peggy McCarberg, City Attorney's Office Doug Peny, Fire Marshall Beverly Blessent, Planning Division Mary Radley, Parks & Recreation (Landscape Architecture) Frank Rivera, Engineering Division Samir Nuhaily, Engineering Department Jim Holmes, Engineering Deparment Greg Tscherch, Engineering Department 7 Muna Cuthbert, Engineering Department Ralph Leyva, Engineering Department M,J, Donnelly, Engineering Department Brian Stafford, GEOCON Rick Ryals, Ryals & Associates California Department of Transportation: Richalene G, Kelsay, Environmental Rebecca Poucel, Environmental (Relocation) Diane M, Vermeulen, Environmental (Hazardous Materials) Martin D, Rosen, Environmental (Cultural Resources) Jane Dowda, Environmental (Noise) Federal Highway Administration: David Nicol, Acting Division Administrator (SHPO) Applicant's Agent(s): Jim Holmes, City ofChula Vista, Engineering Greg Tscherch, City ofChula Vista, Engineering 2, Documents Chula Vista General Plan (1989) Title 19, Chula Vista Municipal Code Subsurface Investigation Report, GEOCON, August 2000 Final Relocation Impact Report, Ryals & Associates Acoustical Assessment Report, Pacific Noise Control, April 2000 Historic Property Survey Report, KEA Environmental, Inc" September 1999 3, Initial Study This environmental determination is based on the attached Initial Study, comments received on the Initial Study and any comments received during the public review period for this negative declaration, The report reflects the independent judgement of the City of Chula Vista, Further information regarding the environmental review of this project is available from the Chula Vista Planning Department, 276 Fourth Avenue, Chula Vista, CA 91910. 0~(O~ . Date: l)/ólOJ l)D Maril R,F.Ponseggi sYJ ( I Environmental Review Coordinator 8 Case No.IS-99-07 ENVIRONMENTAL CHECKLIST FORM 1. Name of Proponent: City of Chula Vista 2, Lead Agency Name and Address: City of Chula Vista 276 Fourth A venue Chula Vista, CA 91910 3. Address and Phone Number of Proponent: Same as Above 4. Name of Proposal: Palomar Street Widening 5. Date of Checklist: September 13, 2000 PotentiaU} Potentially Significant l..t-ssthao Significant U,ùess Significant No Impact Mitigated Impact Impact I. LAND USE AND PLANNING. Would the proposal: a) Conflict with general plan designation or 0 0 0 CiiJ zoning? b) Conflict with applicable environmental 0 0 0 CiiJ plans or policies adopted by agencies with jurisdiction over the project? c) Affect agricultural resources or operations 0 0 0 CiiJ (e,g" impacts to soils or farmlands, or impacts from incompatible land uses)? d) Disrupt or divide the physical arrangement 0 0 CiiJ 0 of an established community (including a low-income or minority community)? Comments: The proposed street improvements to widen Palomar Street (an undivided four- lane roadway) to its ultimate right-of-way is consistent with the City of Chula Vista's General Plan which designates Palomar Street as a six-lane prime arterial. The project site is presently developed with existing roadway, commercial, or residential facilities. There are no on-site areas identified as environmentally sensitive in the City of Chula Vista General Plan, Therefore, the project would not conflict with any known environmental plans or policies of the City of Chula Vista and no associated impacts are anticipated, (H :\hornelplanningledalia IIS-99-07 checklist.doc) pagel Potentrnlly Potentially Significant Less than Significant Urness Significant N. Impact Mitigated Impact Impact An established residential community exists north of Palomar Street. An apartment complex, single family residence, vacant lot and unoccupied non-residential structure are located immediately adjacent to the subject portion of Palomar Street. However. Palomar Street is in existence and is also shown on the City General Plan Circulation Element as a six lane prime arterial. The proposed street widening will result in the acquisition and demolition of one occupied single-family residence due to the location of the structure in the proposed right-of-way, Based on these conditions, no significant impacts related to disrupting or dividing an established community are anticipated from the proposed project, II. POPULATION AND HOUSING. Would the proposal: a) Cumulatively exceed official regional or 0 0 0 c;¡] local population projections? b) Induce substantial growth in an area either 0 0 0 c;¡] directly or indirectly (e,g., through projects in an undeveloped area or extension of major infrastructure)? c) Displace existing housing, especially 0 0 0 c;¡] affordable housing? Comments: The proposed project is for roadway improvements and as such does not involve the construction of new housing or public services that would generate new population, The proposed project is intended to widen Palomar Street to a six lane prime arterial in order to accommodate traffic build out conditions, One owner occupied single family residence will be affected by the proposed project. The property is planned to be acquired by the City for the required right-of-way, In compliance with State and Federal Law a Final Relocation Impact Study (FRIS) was prepared for the proposed project (Final Relocation Impact Report for the Palomar Street Improvements from Interstate 5 to Industrial Boulevard, Rylas & Associates, September 18, 2000), This relocation study provides the basis for analyzing the orderly, timely and efficient relocation of persons and businesses within the project. The study concluded that the household being displaced might require some subsidy, but should be able to successfully relocate if given ample time to do so, As part of the right-of-way acquisition, and in accordance with State Law the household will be assisted by a relocation advisor to insure that the benefits of the Relocation Program are made available to them. Based on these conditions, no significant impacts related to displacement of housing are expected, III. GEOPHYSICAL. Would the proposal result in or expose people to potential impacts involving: a) Unstable earth conditions or changes in 0 0 0 c;¡] geologic substructures? (If: Ihomelplanningledalia IlS-99-07 checklist.doc) page2 PotentiJIUJ PotentiJIUy Significant Less than Sig.nificant Unless Significant No Impact MitiJ;:ated Impact Impact b) Disruptions, displacements, compaction or D D D 181 overcovering of the soil? c) Change in topography or ground surface D D D 181 relief features? d) The destruction, covering or modification D D D 181 of any unique geologic or physìcal features? e) Any increase in wind or water erosion of D D D 181 soils, either on or off the site? 1) Changes in deposition or erosion of beach D D D 181 sands, or changes in siltation, deposition or erosion which may modify the channel of a river or stream or the bed of the ocean or any bay inlet or lake? g) Exposure of people or property to geologic D D D 181 hazards such as earthquakes, landslides, mud slides, ground failure, or similar hazards? Comments: The proposed project is in an area that is paved or disturbed, Minimal grading is required to complete the proposed project. In accordance with City Standard requirements soil testing samples will be taken prior to the commencement and during construction of the proposed project. IV. WATER. Would the proposal result in: a) Changes in absorption rates, drainage D D 181 D patterns, or the rate and amount of surface runoff? b) Exposure of people or property to water D D D 181 related hazards such as flooding or tidal waves? c) Discharge into surface waters or other D D D 181 alteration of surface water quality (e,g., temperature, dissolved oxygen or turbidity)? d) Changes in the amount of surface water in D D D 181 any water body? e) Changes in currents, or the course of D D D 181 direction of water movements, in either marine or fresh waters? (H: \home\planning\edalia \IS-99-07 checklist.doc) page3 Potentially Potentially Significant I..esstha.n Significant Unless Significant N, Impact Mitigated Impact Impact t) Change in the quantity of ground waters, 0 0 181 0 either through direct additions or withdrawals, or through interception of an aquifer by cuts or excavations? g) Altered direction or rate of flow of 0 0 0 181 groundwater? h) Impacts to groundwater quality? 0 0 181 0 i) Alterations to the course or flow of flood 0 0 0 181 waters? j) Substantial reduction in the amount of 0 0 0 181 water otherwise available for public water supplies? Comments: The proposed road widening would result in minor changes to existing runoff and absorption rates due to the paving of additional areas, Paved areas reduce local absorption rates and increase runoff by creating impermeable surfaces, However, due to the relatively small area and associated runoff the impact is considered less than significant. Drainage improvements are proposed in order to convey runoff associated with the project and areas within the vicinity, The proposed drainage improvements will include installing new RCP and/or PVC pipe underground and constructing curb inlets, cleanouts and headwalls at certain critical locations as determined by the engineer of work, In its developed condition, the generated flow from the study area basins will be conveyed through storm drain facilities that ultimately outlet to existing channels, Currently. the flow generated at the south side of Palomar Street, between Frontage Road and Industrial Boulevard, is being conveyed across Palomar Street by means of a cross gutter. Due to public safety considerations and potential damage to adjacent properties, said cross gutter will be removed and replaced with storm drain facilities which include a curb inlet and underground piping. The runoff will ultimately outlet at an existing channel adjacent to Interstate 5. Sumps are proposed along the westerly side of Industrial Boulevard at both the northerly and southerly ends of the intersection with Palomar Street in order to convey the generated runoff associated with the drainage basins, The runoff will ultimately outlet to the east along an existing earthen channel adjacent to the MTDB trolley tracks, At the outlets, headwalls and splashwalls will be constructed to minimize disturbance in the channel area, The runoff will be conveyed to the channel by means of curb inlets and underground piping, Based on these conditions no significant impacts to existing drainage patterns would result from the proposed project. (H: Ihornelplanningledalia 118-99-07 checkIist.doc) page4 Potentially Potenti.aUy Significant "".... Signifi~nt u..~ Significant N. Impact Mitigated Impact Impact Potential water quality impacts include erosion! sedimentation, potential accidental discharge of construction-related hazardous materials (e,g" fuels and lubricants), and the possible disposal and extracted groundwater. However, these impacts would be avoided or reduced to below a level of significance through implementation of existing requirements under the National Pollutant Discharge Elimination System (NPDES), The proposed grading associated with the project is limited to approximately lO-trenching for storm drains and grading is limited to approximately 4-feet for the widening of the roadway, Due to the shallow grading and excavation involved the extraction of groundwater is highly unlikely, Additionally, no groundwater was encountered during the Subsurface exploration (Subsurface Investigation Report) which included 20-foot deep borings, Since the project is over 5-acres, the City will be required to obtain a General Construction Storm Water Permit from the State Water Resources Control Board (SWRCB) prior to construction. The permit includes provisions to minimize offsite sediment transport through implementation of a Storm Water Pollution Prevention Plan (SWPPP), The use and storage of construction related hazardous material would also be regulated under this permit. SWPPP requirements include construction related erosion and sedimentation control measures; monitoring requirements during and after construction; and the use of Best Management Practices (BMPs), Best Available Technology (BAT), and/or Best Conventional Pollution Control Technology (BCT), Implementation of NPDES permit conditions would result in a less than significant impact Excavation related to proposed drainage improvements may result in the encounter of shallow aquifers and disposal of groundwater may be required, If a shallow aquifer(s) is encountered during grading or excavation, the City of Chula Vista will be required to obtain an approved NPDES Dewatering Waste Discharge Permit from the San Diego Regional Water Quality Control Board (RWQCB) prior to groundwater extraction or disposal. Compliance with NPDES permit requirements would result in a less than significant impact. V. AIR QUALITY. Would the proposal: a) Violate any air quality standard or 0 0 0 ~ contribute to an existing or projected air quality violation? b) Expose sensitive receptors to pollutants? ~ 0 0 0 c) Alter air movement, moisture, or 0 0 ~ 0 temperature, or cause any change in climate, either locally or regionally? d) Create objectionable odors? 0 0 ~ 0 e) Create a substantial increase in stationary 0 ~ 0 0 or non-stationary sources of air emissions or the deterioration of ambient air quality? (H: \home\planning\edalia \18-99-07 checklist.doc) page5 PotentiaUy PotentiaUy Signifieal1t Less than Significant Uol~ SignifICant No Impact Mitigated ""poct Impact Comments: The proposed project located in a developed portion of the City would be widened to its ultimate right-of-way to accommodate build out projections as identified in the City's General Plan, Potential odor generation associated with the proposed project would be limited to construction and/or vehicular sources such as dust and diesel exhaust. No significant impacts related to odors are anticipated from the proposed project due to the nature of potential sources and the short-term duration of potential sources, The proposed project would generate sufficient emissions and dust during construction- related activities to result in a short-term significant, but mitigable, impact to air quality, During the construction phase of the project, short-term emissions of several types of air pollutants would occur. Dust would be generated and the combustion of fossil fuels by construction equipment would create emissions, Fugitive dust would also be created due to clearing, earth movement, and travel on unpaved surfaces, Although air quality impacts resulting from construction related emissions are potentially signitìcant, they are considered short term in duration since construction is a relatively short-term, on-time activity. Dust control during grading operations would be regulated in accordance with the rules and regulations of the San Diego Air Pollution Control District (APCD), During construction of the project, the following mitigation measures would be required to reduce fugitive dust impacts and emissions impacts from construction equipment to a level below significance: I) All unpaved construction areas shall be sprinkled with water or other acceptable dust control agents during dust-generating activities to reduce dust emissions; 2) Additional watering or dust control agents shall be applied during dry weather or windy days until dust emissions are not visible; 3) Trucks hauling dirt and debris shall be properly covered to reduce windblown dust and spills; 4) A 20-mile-per-hour speed limit shall be enforced on unpaved surfaces in connection with the project; 5) On dry days. dirt and debris spilled onto paved surfaces shall be swept up immediately to reduce re-suspension of particulate matter caused by vehicle movement; 6) Approach routes to construction sites shall be cleaned daily of construction-related dirt in dry weather; 7) On-site stockpiles of excavated material shall be covered or watered, Disturbed areas shall be hydroseeded, landscaped, or developed as quickly as possible and as directed by the City to reduce dust generation; 8) Heavy-duty construction equipment with modified combustion/fuel injection systems for emissions control shall be utilized during grading and construction activities; 9) Catalytic reduction for gasoline-powered equipment shall be used; 10) Construction equipment shall be equipped with prechamber diesel engines (or equivalent) together with proper maintenance and operation to reduce emissions of nitrogen oxide. to the extent available and feasible, Compliance with City standard requirements and mitigation measures will avoid or reduce potential air quality impacts to below a level of significance, The demolition of existing structures on-site may result in the exposure of sensitive receptors to pollutants, In order to mitigate potential air quality impacts to below a level of significance, the existing structures at 1198 Trenton A venue and I 196 Industrial Boulevard will be examined for the presence of asbestos prior to demolition, The applicant will be required to contract with (H: Ihome\planning\edalia \IS-99-07 checklist.doc) pagc6 Potentially PotentiaUy Significant l<»than Significant Urness SlgllÛlCIIDt No Impact Mitigated Impact Impact a consultant certified by the State of California to conduct asbestos assessments and supervise the proper removal of this element if it is found on-site, The applicant will adhere to all State and local regulations, These regulations require that a permit be obtained and the proper protocols followed in the removal of asbestos, VI. TRANSPORT A TION/CIRCULATION. Would the proposal result in: a) Increased vehicle trips or traffic 0 0 0 181 congestion? b) Hazards to safety from design features 0 0 0 181 (e,g" sharp curves or dangerous intersections) or incompatible uses (e,g., farm equipment)? c) Inadequate emergency access or access to 0 0 181 181 nearby uses? d) Insufficient parking capacity on-site or off- 0 0 0 181 site? e) Hazards or barriers for pedestrians or 0 0 181 181 bicyclists? t) Conflicts with adopted policies supporting 0 0 0 181 alternative transportation (e,g, bus turnouts, bicycle racks)? g) Rail, waterborne or air traffic impacts? 0 0 0 181 h) A "large project" under the Congestion 0 0 0 181 Management Program? (An equivalent of 2400 or more average daily vehicle trips or 200 or more peak-hour vehicle trips,) Comments: The upgrade of the existing roadway to its ultimate designation as a six-lane prime arterial is intended to accommodate build out projections identified in the City of Chula Vista General Plan, The existing roadway is located in an urbanized portion of the City and is primarily intended to improve traffic and circulation for existing development with some increase due to regional growth, Therefore, the proposed road widening is not anticipated to result in additional trips or traffic congestion. The project design would meet the objectives of the City of Chula Vista General Plan Circulation Element and no significant impacts related to design safety hazards are anticipated, During construction access may be restricted and traffic will be diverted to accommodate grading and paving activities, However, ramp closure to Interstate 5 is not proposed. Construction will be subject to City of Chula Vista Public Works Access and Safety (H: \homelplanningledalia IIS-99-07 checklist, doc) page? PotentiaUy PotentiaU, SignÕlcant Less than SignifICant U"'= Significant No Impact Mitigated Impact Impact Standards. No significant impacts related to emergency or local access are anticipated. The proposed modifications to an existing roadway do not include long-term parking, Short-tenn parking related to construction would be limited to temporary areas within the construction site, and would not involve any impacts to on- or off-site parking capacity, The proposed project includes the construction of curbs, gutters, and sidewalks that will result in improved public access to nearby land uses and public transit facilities, Construction is subject to City of Chula Vista Public Works access and safety standards, No significant impacts related to emergency or local access are anticipated, VII. BIOLOGICAL RESOURCES. Would the proposal result in impacts to: a) Endangered, sensitive species, species of 0 0 0 C<I concern or species that are candidates for listing? b) Locally designated species (e,g., heritage 0 0 0 C<I trees)? c) Locally designated natural communities 0 0 0 C<I (e.g, oak forest, coastal habitat, etc,)? d) Wetland habitat (e,g" marsh, riparian and 0 0 0 C<I vernal pool)? e) Wildlife dispersal or migration corridors? 0 0 0 C<I t) Affect regional habitat preservation 0 0 0 C<I planning efforts? Comments: The proposed project is located in an extensively urbanized area with no native habitat or sensitive species observed or expected to occur within areas of proposed grading and/or construction, The project site and surrounding areas are not designated for open space or preservation in the City's General Plan, The General Plan does not identify sensitive plant or animal resources in this area, Therefore, no adverse impacts to biological resources are noted. VIII. ENERGY AND MINERAL RESOURCES. Would the proposal: a) Conflict with adopted energy conservation 0 0 0 C<I plans? b) Use non-renewable resources in a wasteful 0 0 0 C<I and inefficient manner? c) If the site is designated for mineral 0 0 0 C<I (H: Ihornelplanningledalia IlS-99-07 checklist.doc) page8 PotemiaUy Potentially Significant Less than Significant Uol~ Significant No Impact Mitigated Impact Impact resource protection, will this project impact this protection? Comments: Direct energy and non-renewable resource consumption would be limited to minor amounts of fuel and electricity for construction activities, The proposed project does not conflict with energy conservation plans. The project site is not designated for mineral resource protection in the City of Chula Vista General Plan, Based on these conditions, no mineral resource impacts are anticipated from implementation of the proposed project, IX. HAZARDS. Would the proposal involve: a) A risk of accidental explosion or release of 0 0 0 c¡;¡ hazardous substances (including, but not limited to: petroleum products, pesticides, chemicals or radiation)? b) Possible interference with an emergency 0 0 0 c¡;¡ response plan or emergency evacuation plan? c) The creation of any health hazard or 0 0 0 c¡;¡ potential health hazard? d) Exposure of people to existing sources of 0 0 0 c¡;¡ potential health hazards? e) Increased fire hazard in areas with 0 0 0 c¡;¡ flammable brush, grass, or trees? Comments: The property at 1196 Industrial Boulevard was previously used as a gas station during the late 1920's to 1950's. Approximately twenty-feet of this property is within the proposed right-of-way, Due to the historical use of the site as a gas station a Phase II Environmental Site Assessment (Subsurface Investigation Report) was required to identify the presence of petroleum hydrocarbons, According to the Subsurface Investigation Report by GEOCON, dated August 2000, the presence of petroleum hydrocarbons was indicated through field observations at one soil sample location, However, analysis of soil samples collected from the borings did not confirm the presence of TPH, BTEX, or MTBE above the laboratory detection limits for the analytical methods employed, The Subsurface Investigation Report concludes that further assessment is not necessary, Based on this conclusion, the proposed site does not result in a potential health hazard to humans, X. NOISE. Would the proposal result in: a) Increases in existing noise levels? 0 c¡;¡ 0 0 b) Exposure of people to severe noise levels? 0 c¡;¡ 0 0 Comments: The proposed project is subject to compliance with the City of Chula Vista, (H: Ihome\planning\edalia \IS-99-07 cliecklistdoc) page9 Potentially Potentiany Significaut u",,"'" Significant Unless Significant No Impact Mitigated Impact Impact Federal Highway Administration (FHW A) and California Department of Transportation (Caltrans) noise criteria, FHW A and Caltrans noise criteria are applicable for the land uses adjacent to Palomar Street due to the use of Federa] funding An Acoustical Assessment Report was prepared for the proposed project by Pacific Noise Control (April 2000), The complete report available for review at the City of Chu]a Vista Planning and Bui]ding Department. The results of this study are summarized below, In accordance with Chapter 19,68, ]01 of the Municipal Code, the Acoustical Assessment Report describes community noise levels in terms of Community Noise Equivalent Level (CNEL), The CNEL is a 24-hour average A-weighted sound level with a ten decibel (dB) "penalty" added to noise during the hours of 10:00 PM to 7:00 AM, and a five dB penalty added to the evening hours from 7:00 to 10:00 PM, The penalty is added to reflect increased noise sensitivity during nighttime hours, The A-weighted scale measures noise levels corresponding to the human hearing frequency response. The City requires that the maximum acceptable exterior noise level for new residential development not exceed a CNEL of 65 dB, The Acoustical Assessment Report evaluated noise levels at residences immediately adjacent to Palomar Street in terms of the peak (noisiest) hour average sound level. The FHW A follows the noise abatement procedures established in the Code of Federal Regulations (Title 23 CFR 772). Caltrans follows the noise abatement procedures as well as policies established in Caltrans Highway Design Manual Chapter 1100 and Traffic Noise Analysis Protocol (Caltrans 1998), The FHW A noise abatement criteria categorize different activities and land uses for the purpose of assessing noise impacts, The criteria are based on the peak (noisiest) hour average sound level. The noise abatement criteria for outdoor noise exposure are applied where frequent human activity such as swimming pools and common use areas at residential areas, The FHW A considers a traffic noise impact occurs when the predicted traffic noise levels approach or exceed the Noise Abatement Criteria, Based on the results of the Analysis in the Acoustical Assessment Report, the backyard of two residences located near the northwest corner of Palomar Street and Industria] Boulevard would be exposed to peak one-hour average sound level of 67 dB and 69 dB, These noise levels would exceed the FHW A/Caltrans noise criteria, The Acoustica] Assessment Report recommends the construction of a six-foot high noise barrier at 1196 Industrial Bou]evard, 1193 Trenton Avenue, and 1198 Trenton Avenue to reduce potential noise impacts to a level below significance, Those proposed 6-foot high barriers are generally located upon the right-of-way except for the wrap around required to effectively attenuate the traffic noise, The 6-foot high noise barriers will result in future mitigated peak hour average noise ]evels from 61 to 63 dB at these sites, A six-foot high noise barrier would also mitigate the noise level to 65 dB CNEL or less and would therefore comply with the City's CNEL noise criteria, Upon review of the Acoustical Assessment Report. Caltrans determined that the recommendations of the Report meet the requirements for a traffic noise impact analysis in accordance with Caltran's Traffic Noise Ana]ysis Protocol (October 1998), The (H: \homelplanningledalia IIS-99-07 checklist.doc) pagelO Potentially Potentially Significant Less than Significant Unles.~ SignifJcant No Impact Mitigated Impact Impact incorporation of a 6-foot high noise barrier in the project design. in accordance with the Acoustical Assessment Report. will mitigate noise impacts to below a level of significance, The proposed project would also result in temporary noise generated by construction equipment. According to the Acoustical Assessment Report construction, equipment would result in maximum noise levels at 50 feet range from approximately 75 to 95 dB, The Acoustical Assessment Report recommends that each internal combustion engine, used for any purpose on the job or related to the job, shall be equipped with a muffler of a type recommended by the manufacturer. No internal combustion engine shall be operated on the project without said muffler, Additionally, construction activities shall be limited to the following hours: weekdays from 7:00 a.m, to 7:00 p,m, and Saturday from 7:00 a.m, to 6:00 p,m. Construction shall be prohibited on Sunday, The proposed mitigation in addition to compliance with City of Chula Vista Public Works Standard Construction requirements will serve to reduce noise impacts to a level below significance, XI. PUBLIC SERVICES. Would the proposal have an effect upon, or result in a need for new or altered government services in any of the following areas: a) Fire protection? 0 0 0 181 b) Police protection? 0 0 0 181 c) Schools? 0 0 0 181 d) Maintenance of public facilities, including 0 0 0 181 roads? e) Other governmental services? 0 0 0 181 Comments: The proposed facilities consist of a 6-lane roadway and associated landscaping which are not expected to generate increased demand for public services, 0 0 0 181 XII. Thresholds. Will the proposal adversely impact the City's Threshold Standards? As described below, the proposed project does not adversely impact any of the seen Threshold Standards, a) Fire/EMS 0 0 0 181 The Threshold Standards requires that fire and medical units must be able to respond to calls within 7 minutes or less in 85 % of the cases and within 5 minutes or less in 75 % of the cases, The City of Chula Vista has indicated that this threshold standard will be met, since the nearest fire station is I miles away and would be associated with a 3-minute response time, The proposed project complies with this Threshold Standard, (H: \home\planning\edalia \IS-99-07 checklist.doc) pagel \ PotentiaUy Potentially Significant Lös than Significant UnJ~ Significant N. Impact Mitigatcd Impact Impact Comments: The proposed street widening would not generate demand for fire protection or emergency medical services, Therefore, no associated impacts to Fire/EMS Threshold Standard are anticipated, b) Police 0 0 0 181 The Threshold Standards require that police units must respond to 84 % of Priority 1 calls within 7 minutes or less and maintain an average response time to all Priority 1 calls of 4,5 minutes or less. Police units must respond to 62.10% of Priority 2 calls within 7 minutes or less and maintain an average response time to all Priority 2 calls of 7 minutes or less, Comments: The proposed project does not generate demand for police protection services, therefore no associated impacts to the Police Service Threshold Standard are anticipated, c) Traffic 0 0 0 181 The Threshold Standards require that all signalized arterial segments operate at a Level of Service (LOS) "C" or better, with the exception that Level of Service (LOS) "D" may occur during the peak two hours of the day at signalized intersections, Those signalized intersections west of I-80S which do not meet the above standard may continue to operate at their current 1991 LOS, but shall not worsen, No intersection may reach LOS "E" or "F" during the average weekday peak hour. Intersections of arterials with freeway ramps are exempted from this Standard, The proposed project complies with this Threshold Standard, Comments: As previously noted, the proposed project would accommodate projected on- site traffic volumes and provide acceptable roadway and intersection LOS through build out, The project would improve local traffic circulation and service levels, with no associated adverse impacts to traffic service threshold standards anticipated, d) Parks/Recreation 0 0 0 181 The Threshold Standard for Parks and Recreation is 3-acres/l ,000 population east of I-80S, Comments: The proposed project would not generate demand for park/ recreation services, with not associated impacts to the Parks and Recreation Threshold Standards anticipated, e) Drainage 0 0 0 181 The Threshold Standards require that storm water flows and volumes not exceed City Engineering Standards, Individual projects will provide necessary improvements consistent with the Drainage Master Plan(s) and City Engineering Standards, The proposed project complies with this Threshold Standard. (II: Ihomelplanning ledalia 115-99-07 checklist.doc) pagel2 PotentÍ>¡J1y Potentially Significant ""''''''. Significant Unless Signmcant No hnpact Milìgptl'<.l hnpact hnpact Comments: The resulting storm water flows and volumes do not exceed City Engineering Standards, Drainage improvements identified in Section IV are consistent with the Drainage Master Plan(s) and City Engineering Standards, t) Sewer 0 0 0 181 The Threshold Standards require that sewage flows and volumes not exceed City Engineering Standards, Individual projects will provide necessary improvements consistent with Sewer Master Plan(s) and City Engineering Standards, Comments: The proposed project would not generate any demand for sewer services, no impacts associated with the Sewer Threshold Standard are anticipated, g) Water 0 0 0 181 The Threshold Standards require that adequate storage, treatment, and transmission facilities are constructed concurrently with planned growth and that water quality standards are not jeopardized during growth and construction Applicants may also be required to participate in whatever water conservation or fee off-set program the City of Chula Vista has in effect at the lime of building permit issuance, Comments: The proposed project would not generate the need for the storage or treatment of water. Distribution facilities are limited to minor irrigation pipelines, As such, no impacts associated with the Water Threshold Standard are anticipated, XIII. UTILITIES AND SERVICE SYSTEMS. Would the proposal result in a need for new systems, or substantial alterations to the following utilities: a) Power or natural gas? 0 0 0 181 b) Communications systems? 0 0 0 181 c) Local or regional water treatment or 0 0 0 181 distribution facilities? d) Sewer or septic tanks? 0 0 0 181 e) Storm water drainage? 0 0 0 181 t) Solid waste disposal? 0 0 0 181 Comments: Power demands would be limited to minor use from construction activities, No associated significant impacts to power or natural gas systems are anticipated, (H: Ihomelplanningledalia IIS-99-07 checklist.doc) pagel3 Potentially Potentially Significant Less than Significant Unless Significant No Impact Mitigated Impact Impact XIV. AESTHETICS. Would the proposal: a) Obstruct any scenic vista or view open to 0 0 0 181 the public or will the proposal result in the creation of an aesthetically offensive site open to public view? b) Cause the destruction or modification of a 0 0 0 181 scenic route? c) Have a demonstrable negative aesthetic 0 0 0 181 effect? d) Create added light or glare sources that 0 0 0 181 could increase the level of sky glow in an area or cause this project to fail to comply with Section 19,66,100 of the Chula Vista Municipal Code, Title 19? e) Reduce an additional amount of spill light? 0 0 0 181 Comments: The proposed widening will include curb, gutter, and sidewalk that will improve the aesthetics of the area, The six-foot high sound wall will include landscaping and is subject to standard review and approval by the City Parks and Recreation Department for design and landscaping, Based on these requirements, the project will not result in any impacts to aesthetics, XV. CULTURAL RESOURCES. Would the proposal: a) Will the proposal result in the alteration of 0 0 0 181 or the destruction or a prehistoric or historic archaeological site? b) Will the proposal result in adverse physical 0 0 0 181 or aesthetic effects to a prehistoric or historic building, structure or object? c) Does the proposal have the potential to 0 0 0 181 cause a physical change which would affect unique ethnic cultural values? d) Will the proposal restrict existing religious 0 0 0 181 or sacred uses within the potential impact area? e) Is the area identified on the City's General 0 0 0 181 Plan EIR as an area of high potential for archeological resources? (H: \home\planning\edalia \IS-99-07 checklist. doc) pagel4 Potentially PotentiaUy Significant Less tban Significant Unless SignirK:ant No Impact Mitigated Impoct Impact Comments: A Historic Property Survey Report was prepared in September 1999 by KEA Environmental, Incorporated, The report was forwarded to the FHW A and Caltrans for review concurrence and processing to the State Historic Preservation Office (SHPO) as required by 36CFR800 and Section 106 of the National Historic Preservation Act. The City received concurrence from FHW A and SHPO that none of the properties are eligible for inclusion on the National Register of Historic Places (NRHP) under any of the criteria established by 36CFR800, Caltrans also determined that none of the identified properties were deemed eligible for the California Register of Historic Places (CRHP), Based on this information, the proposed project will have no effect on historic properties, XVI. PALEONTOLOGICAL RESOURCES. Will 0 0 0 181 the proposal result in the alteration of or the destruction of paleontological resources? Comments: The Conservation and Open Space Element of the General Plan does not identify the subject site as an area of paleontological resources, Therefore, the project will not impact paleontological resources, XVII. RECREATION. Would the proposal: a) Increase the demand for neighborhood or 0 0 0 181 regional parks or other recreational facilities? b) Affect existing recreational opportunities? 0 0 0 181 c) Interfere with recreation parks & recreation 0 0 0 181 plans or programs? Comments: The proposed project would not generate any new homes or population, Therefore the project will not impact park and recreational facilities, XVIII. MANDATORY FINDINGS OF SIGNIFICANCE: See Negative Declaration for 11lf1ndatory findings of significance. If an EIR is needed, this section should be completed, a) Does the project have the potential to 0 0 0 181 degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number or restrict the range of a rare or endangered (H: \home\planning\edalia \IS-99-07 checklist doc ) pagelS Potentially Potentially Significant Less than Significant lInless SigniC'lCant No Impact Mitigated Impact Impact plant or animal or eliminate important examples of the major periods or California history or prehistory? Comments: The proposed road widening is located in a developed urban setting, The project would not substantially reduce fish or wildlife habitat, or adversely affect fish, wildlife, plant or animal communities, or rare or endangered species, The proposed project would not impact any historic or archaeological cultural resources, b) Does the project have the potential to 0 0 0 181 achieve short-term, to the disadvantage of long-term, environmental goals? Comments: The proposed project is not expected to threaten any long-term environmental goals. c) Does the project have impacts that are 0 0 0 181 individually limited, but cumulatively considerable? ("Cumulatively considerable" means that the incremental effects of a project are considerable when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects,) Comments: Based on the developed nature of the project site, the short-term nature of most potentially significant impacts, and the fact that all such effects would be avoided or effectively reduced through identified mitigation, no significant cumulative impacts are anticipated from implementation of the proposed project, d) Does the project have environmental effect 0 0 0 181 which will cause substantial adverse effects on human beings, either directly or indirectly? Comments: No substantial significant effects on human beings would result from the proposed road widening, (H :\home\planning\edalia \IS-99-07 checklist. doc) pagel6 XIX. PROJECT REVISIONS OR MITIGATION MEASURES: The following mitigation measures have been incorporated into the project and will be implemented during the design, construction or operation of the project: AIR OUALITY Asbestos Related Impacts 1, The applicant shall contract with an environmental consultant certified by the State of California to conduct testing for the presence of asbestos in buildings and for the proper removal and disposal of this element, if detected, prior to commencing with the demolition operations, The applicant shall be responsible for obtaining all the required permits from all affected state and local regulatory agencies including the San Diego Air Pollution Control District (APCD) and shall further provide proof of having obtained approval to proceed with this process to the Planning and Building Department prior to obtaining a building permit. Construction-Related Impacts 1, All unpaved construction areas shall be sprinkled with water or other acceptable dust control agents during dust-generating activities to reduce dust emissions, Additional watering or dust control agents shall be applied during dry weather or windy days until dust emissions are not visible, 2, Trucks hauling dirt and debris shall be properly covered to reduce windblown dust and spills 3, A 20-mile-per-hour speed limit on unpaved surfaces in connection with the project shall be enforced, 4, On dry days, dirt and debris spilled onto paved surfaces shall be swept up immediately to reduce re-suspension of particulate matter caused by vehicle movement. Approach routes to construction sites shall be cleaned daily of construction-related dirt in dry weather. 5, On-site stockpiles of excavated material shall be covered or watered" 6, Disturbed areas shall be hydroseeded, landscaped, or developed as quickly as possible and as directed by the City to reduce dust generation, 7, Heavy-duty construction equipment with modified combustion/fuel injection systems for emissions control shall be utilized during grading and construction activities, Catalytic reduction for gasoline-powered equipment shall be used, Also, equip construction equipment with prechamber diesel engines (or equivalent) together with proper maintenance and operation to reduce emissions of nitrogen oxide, to the extent available and feasible, (H: Ihome\planning\edal ia \IS-99-07 checklist doc) pagel7 NOISE Permanent Noise Impacts 1. Noise barriers shall be constructed prior to the opening of the new traffic lanes at required locations along the north side of Palomar Street as described in the Acoustical Assessment Report (Pacific Noise Control, April 2000). Specifically, this will include a six-foot high noise barrier at 1196 Industrial Boulevard, 1193 Trenton A venue, and 1198 Trenton Avenue. Temporary Noise Impacts 1. Construction activities shall be limited to the following hours: weekdays from 7:00 a,m, to 7:00 p,m, and Saturday from 7:00 a,m, to 6:00 p,m, Construction shall be prohibited on Sunday, Construction equipment shall be maintained in proper operating condition and shall be equipped with mufflers, XX. AGREEMENT TO IMPLEMENT MITIGATION MEASURES By signing the line(s) provided below, the Applicant(s) and/or Operator(s) stipulate that they have each read, understood and have their respective company's authority to and do agree to the mitigation measures contained herein, and will implement same to the satisfaction of the Environmental Review Coordinator. Failure to sign the line(s) provided below prior to posting of this [Mitigated] Negative Declaration with the County Clerk shall indicate the Applicants' and/or Operator's desire that the Project be held in abeyance without approval and that Applicant(s) and/or Operator(s) shall apply for an Environmental Impact Report, Printed Name and Title of Authorized Representative of Date [Property Owner's Name] Signature of Authorized Representative of Date [Property Owner's Name] Printed Name and Title of Date [Operator if different from Property Owner] Signature of Authorized Representative of Date [Operator if different from Property Owner] (H: Ihomelplanningledalia IIS-99-07 checklist.doc) pagelS XXI. ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED: The environmental factors checked below would be potentially affected by this project, involving at least one impact that is a "Potentially Significant Impact" or "Potentially Significant Unless Mitigated," as indicated by the checklist on the following pages. D Land Use and Planning D Transportation/Circulation D Public Services D Population and D Biological Resources D Utilities and Service Housing Systems D Geophysical D Energy and Mineral D Aesthetics Resources D Water D Hazards D Cultural Resources ŒJ Air Quality ŒJ Noise D Recreation D Mandatory Findings of Significance (H :\homelplanningledalia 118-99-07 checklist.doc) pagel9 XXII. DETERMINATION: On the basis of this initial evaluation: I find that the proposed project COULD NOT have a significant effect on the D environment, and a NEGATIVE DECLARATION will be prepared, I find that although the proposed project could have a significant effect on the ŒJ environment, there will not be a significant effect in this case because the mitigation measures described on an attached sheet have been added to the project, A MITIGATED NEGATIVE DECLARATION will be prepared, I find that the proposed project MA Y have a significant effect on the D environment, and an ENVIRONMENTAL IMPACT REPORT is required, I find that the proposed project MA Y have a significant effect(s) on the D environment, but at least one effect: I) has been adequately analyzed in an earlier document pursuant to applicable legal standards, and 2) has been addressed by mitigation measures based on the earlier analysis as described on attached sheets, if the effect is a "potentially significant impacts" or "potentially significant unless mitigated," An ENVIRONMENTAL IMPACT REPORT is required, but it must analyze only the effects that remain to be addressed. D I find that although the proposed project could have a significant effect on the environment, there WILL NOT be a significant effect in this case because all potentially significant effects (a) have been analyzed adequately in an earlier EIR pursuant to applicable standards and (b) have been avoided or mitigated pursuant to that earlier EIR. including revisions or mitigation measures that are imposed upon the proposed project. An addendum has been prepared to provide a record of this determination, ~:±A//L?~b' 1//020 / pO I I Enviro ental Review Coordina Date City of Chuta Vista (H: Ihome\planning\edalia \1S-99-07 checklist,doc) page20 '" VI £ . 0 CO ;: ... '" N ~ CO '" . 'Õ 0 r- ..... :> " :j;í (1¡v»n~~~oIo..~> "'",-",>-s-"" "-,,""-S-Cl'J"';J Q z ::t, ~ N ~ 2 S' ~ S. ~ e; ~ ~ ~ 0 ...... g (1¡ ~ 0 ~. ~ (1¡ (1¡ S ::I 0 ª '" '" ¡¡. ~ ~ 'E. § '" "S - "'" " 0 o pj> 0 ('þ ('") 0. 0 00 S' c: 0.. o- >- _. 0 Þ 0 rD >- ¡;; '-I ! >-1 X" '< .... VI ....... 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