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Home My WebLink AboutRCC AGENDA PK 2000/11/29 Mitigated Negative Declaration PROJECT NAME: Lynwood Hills Cellular Antennas PROJECT LOCATION: 400 Moonview Drive ASSESSOR'S PARCEL NO,: 592-171-6114 PROJECT APPLICANT: AT&T Wireless Services CASE NO,: IS-00-20 DATE: November 29,2000 A, Proiect Setting The project site is located on a 3,18 acre parcel leased by the Sweetwater Authority from the City of Chula Vista in the northwest corner of Windrose Way and Moonview Drive, east of 1-805 and at the northern City limits (See Figure I), The property contains two water tanks located on a prominent knoll in the Terra Nova master planned community, The smaller tank has a 12-foot diameter and is 20 feet high; the larger tank has a 27-foot diameter and is 25 feet high, Specific sites are proposed on the south and northwest sides of the tank area, A paved asphalt road from Moonview Drive provides access to the tanks, The knoll and water tanks are visible from various locations in the surrounding community and from the Sweetwater River valley. The area to the north is in the County of San Diego and is occupied by large lot single-family residences, The Glen Abbey Memorial Park Cemetery is located to the northeast. The area to the west and south are within the City of Chula Vista and are occupied by single-family residences, The area to the east is within the City of Chula Vista and is occupied by the Terra Nova Elementary School and Park, According to a biological survey by Pacific Southwest Biological Services (PSBS), dated February 1,2000, the majority of the knoll contains Diegan coastal sage scrub, a vegetation community considered sensitive by the U.S, Fish and Wildlife Service, California Department of Fish and Game, and the City of Chula Vista Multiple Species Conservation Program Draft Subarea Plan. The proposed equipment pad and one antenna array are in an area of highly disturbed coastal sage scrub and would require the removal of O,021-acre of Diegan coastal sage scrub, PSBS observed two sensitive species within the proposed project boundaries, Two coastal California gnatcatchers (Palioptila californica calif arnica), a federally listed "Threatened" species, were observed off-site between the existing water tanks and access road and beyond the northern property line, The Orangethroat Whiptail Lizard (Cnemidophorus hyperythrus 1 11/29/00 y .'_ff \owx ~ . / J Project Site Figure 1 be/dingi), a California Department ofFish and Game (CDFG) Species of Concern was also observed on-site. PSBS did not perfonn a gnatcatcher protocol presence/absence survey, because they believe the gnatcatchers observed are probably resident in the higher quality Diegan coastal sage scrub habitat to the north and northeast of the property, According to PSBS, the gnatcatchers are probably using the area around the project site as part of an "extended use area," but not as a breeding territory area. B, Proiect Description The project consists of a three-sector directional antenna system with the related radio and power cabinets, The antennas would be mounted on 19-foot tall pole supports, Two antennas would be located immediately northeast of the water tanks in a disturbed area, Three antenna poles and a 608 square-foot graded pad would be located approximately 25 feet southwest of the western water tank in an area containing highly disturbed Diegan coastal sage scrub (See Figure 2), The graded equipment pad would be seven feet below the base of the water tanks and would contain five-foot high equipment cabinets. The equipment pad and antennas would be enclosed within a chain link fence with a gated entrance, The site would be unmanned and operate 24 hours a day, seven days per week, Following construction of the facility, maintenance crews would be at the site one to two times per month, Underground electrical service and telephone lines would be extended to the site via the existing access road fÌom the nearest available services, C. Compliance with Zoning and Plans The proposed use is consistent with the CPQ (Public/Semi-Public) zone and General Plan RLM (Low-Medium Residential) designation, D, Public Comments On February 18, 2000 a Notice ofInitial Study was circulated to property owners within 500- foot radius of the proposed project site, The public comment period ended February 29, 2000, Two public comments were received, One letter contains several non-environmental issues unrelated to the proposed project. This letter suggested that the City adopt a moratorium on the installation of cellular antennas because they are not compatible with residential neighborhoods and may have possible health effects, Another resident expressed concerns with potential interference with radio, television, and computer operation, aesthetics, biological impacts and health effects, The City IS currently hosting workshops with representatives from the wireless communication industry to discuss a proposed City ordinance to address concerns with wireless communication facilities, Environmental issues have been addressed in the attached checklist. The proposed project is regulated by the Federal Communications Commission (FCC). According to the FCC, wireless communications facilities do not emit electrical or electronic signals that are known to create human health hazards. Mitigation measures have been incorporated to reduce visual impacts to a less than significant level. Impacts to biological resources are discussed below and include mitigation for impacts to Diegan coastal sage scrub, 2 11/29/00 III M WOO'JMI01IIII'IM'-.N¡ ~ZLn YO 'OÐ3IIO NY9 Z ... (,) 0Þ90"ftY8L8 :xii", .t.n-.ns VJ 0 <:> 0:: ftLD"fttt"8'8 ="'IUO '01:1 NOJ.HW08I01e ::J -u :s " a> " en ~ II ~f<') .... ~~ Z .1.O:Il.IHOI::IV 11::1;101:1 or WVI"IM Ï c.. z 0 ~o '" Z ... ¡¡; 12 1 ~ .. . . .. . , . . . li:ð ~ 5~ 1>.0 0 - z GS ~ ~CW!aM 0 §~6 .. N ;;,~ 0 C. 0:: . 0 ~ VJ c..::::;; '" c ~ ~ ~ c.. $ .e:. z U! I=! 5 '" z .. ~ N ~ ~ _0 = ..... VJUJ 1>.0 w .~ "S31.vna.uv w ION'" S31tIVIOISens s.u 'ON! '1«)1$30 :GYICUS::W. ~ AJ.Y3dOttd 31. NlVrGij ï1VHS ¡;¡;. ONY "ONI 'NOIS:JO W3¥1CUS3ll\ :10 1"'^OYddV N31J.ltWI J.noHJ.... 'V.iNNvrt ANV HI 03Sn W 'UlYd HI YO 710..... HI m::>nooYd3Y 38 10N Avn A:!H1. "SMY1 lHOtw..dOO AS 03.1.03J,OUd '3Q1I\Y:3S .:JO $.ltGnnw.SHI 3H1 3W aNY 'ONI 'NDIS3Q æMOiS~ AS 03YVd]Yd N]]B SNOUVOV.:IO]d!S ONY SNYld S]$]H1 S! 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'" '" , .I g N '" . ~ I 'ì'.I 7 ';.- ,... io - - - = .0 ,ç .9 ..0 .S Ih. - ij' ~ .9 .0-,61 ~~ .. ~~ ~ .O-.~ .0 .9 h ,,0 ,L .0-,9 ~~ z" ¡¡i.. ~ ~ :!2; .O-,6t I~ Oz . 0 <0" "' .. 6'-0· ~ ~ ~ -' ~ 4: ci Ü z (f 1!õ o:;i ~ z::> W b G\z :J: !~ ..ID " -0 ~ ~ Wb i :(F .. ¡sg " zF ..J " . gill ~~ is"' 0- ~ wI!' ,,13 '" ""' ..." Q..' ...z z1!õ .. ~~ O' -,0 <0 ~~ ~ FU ,,~ ê~ Z~ 1>- "ID 0 ~ ::> ,;¡cr :¿g ~¡¡¡ ..ßi ..cr zo¡ ~~:¡ zo ê" iP'< <0 :(~J zz "U ..... ..F III ~- z1.5 "' E, Identification of Environmental Effects An Initial Study conducted by the City of Chula Vista (including an attached Environmental Checklist fonn) detennined 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, BIOLOGICAL RESOURCES The proposed project would result in the removal of approximately O,021-acre (915 square feet.) ofDiegan coastal sage scrub (CSS) a vegetation community considered sensitive by the U,S, Fish and Wildlife Service (USFWS) and the California Department ofFish and Game (CDFG), Pacific Southwest Biological Services, Inc. (PSBS) completed a biological survey of the project and the surrounding area on February 1,2000, According to PSBS, the majority of the project site contains CSS, The CSS is considered to be oflow quality due to previous vegetation disturbance and more recent vandalism, Two sensitive species were observed within the proposed projcct boundaries, Two coastal California gnatcatchers (Polioptila californica californica), a federally listed "Threatened" species, were observed off-site between the existing water tanks and access road and beyond the northern property line. The Orangethroat Whiptail Lizard (Cnemidophorus hyperythrus beldingi), a California Department ofFish and Game (CDFG) Species of Concern was also observed on-site. PSBS did not perfonn a gnatcatcher protocol presence/absence survey, because they believe the gnatcatchers observed are probably resident in the higher quality Diegan coastal sage scrub habitat to the north and northeast of the property, According to PSBS, the gnatcatchers are probably using the area around the project site as part of an "extended use area," but not as a breeding territory area, The project falls under the guidelines of the State of California's Natural Community Conservation Plan (NCCP) and a Habitat Loss Pennit (HLP) is required for the "take" of 0,02 I-acre ofDiegan coastal sage scrub, The City recently adopted a Multiple Species Conservation Program (MSCP) Subarea Plan, Ifthe project proceeds under the City's Subarea Plan, the project proponent would will have to wait until the City is given "take authority" by the USFWS & CDFG, The project would be regulated under the City's Habitat Loss and Incidental Take (HUT) Ordinance which is currently being prepared, The HUT Ordinance would include provisions to authorize the "take" ofDiegan coastal sage scrub, The applicant would be required to obtain a HUT pennit from the City, The HUT will require that the loss ofDiegan coastal sage scrub be mitigated at a 1:1 ratio (0.021 acres) inside the MSCP Preserve or at a 1.5: I (0,042 acres) ratio outside the MSCP Preserve and will contain limitations on grading during the gnatcatcher breeding season, If the proponent opts to proceed prior to the City receiving "take authority" from USFWS & CDFG, they will be required to obtain "take authorization" directly from the USFWS & CDFG through a Section 10 (a) or other appropriate pennitting process, 3 11/29/00 AESTHETICS The proposed project will not obstruct any scenic vista or view open to the public because the project is not located on a scenic route, However, the project may result in an aesthetically offensive site open to public view unless mitigated, The subject site i"s located at a higher elevation and is visible from the Terra Nova residential community located to the south, east, and west. The subject site is currently dominated by two Sweetwater Authority water tanks surrounded by a chain link fence. Eucalyptus trees planted near the tanks provide limited visual screening of the existing tanks. The addition of the equipment pad and antenna towers on the slope, southwest of the tanks would be noticeable ITom residences on Windrose Way and Starwood Circle. The equipment cabinets could have a significant visual effect on the adjacent residences, However, The applicant has redesigned the project and recessed the equipment pad into the existing slope to reduce the visibility of the 5-foot high equipment cabinets and landscaping is proposed around the equipment pad to reduce the visual effect to a less than significant level. F, Mitigation Necessary to Avoid Si~ificant Impacts Project-specific mitigation measures are required to reduce potential environmental impacts identified in the Initial Study to a less than significant level. The mitigation measures will be made a condition of approval, as well as requirements of the attached Mitigation Monitoring Program (Attachment "A"), I agree 0 implement the mitigation measures required as stated in this Section (F) of this gated egative Declaration. 1/-2-9·00 H Name, Title Date RÐVOlTr /t'lÆTV/I&G1<.. BIOLOGICAL RESOURCES Prior to construction, the applicant shall: 1. Obtain a Habitat Loss Incidental Take (HILT) permit ITom the City of Chula Vista for the Diegan coastal sage scrub, The HUT will require that the loss of Diegan coastal sage scrub be mitigated at a 1:1 ratio (0,021 acres) inside the Multiple Species Conservation Program (MSCP) Preserve or at a 1,5: I (0.042 acres) ratio outside the MSCP Preserve; or 2, Obtain "take" authorization for the Diegan coastal sage scrub ITom the U.S, Fish and Wildlife Service and the California Department ofFish and Game through a Section 10 (a) or other appropriate permitting process, 4 11/29/00 Initial Study This environmental detennination is based on the attached Initial Study, any 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 ofChula Vista. Further infonnation regarding the environmentaj review of this project is available trom the Chula Vista Plarnúng Department, 276 Foúrth Avenue, Chula Vista, CA 91910, ~~1-?Á~~ ~. Date: I/.~~/.!i b Maril R. F, Ponseggi) Environmental Review Coordinator 6 11129/00 Case No.IS-OO-20 ENVIRONMENTAL CHECKLIST FORM 1. Name of Proponent: AT&T Wireless Service 2, Lead Agency Name and Address: City of Chula Vista· 276 Fourth Avenue Chula Vista, CA 91910 3. Address and Phone Number of Proponent: 9805 Scranton Rd, #245 San Diego, CA 9212 (858) 450-7387 4. Name of Proposal: Lynnwood Hills Wireless Telecommunications Facility (lS-00-20) 5. Date of Checklist: November 29, 2000 PotentiaUy Potentially Significant Less than SignifICant Unless Significant No Impact Mitigated Impact Impact I. LAND USE AND PLANNING. Would the proposal: a) Contlict with general plan designation or zoning? 0 0 0 18] b) Contlict with applicable environmental plans or 0 0 0 18] policies adopted by agencies with jurisdiction over the project? c) Affect agricultural resources or operations (e,g" 0 0 0 18] impacts to soils or farmlands, or impacts from incompatible land uses)? d) Disrupt or divide the physical arrangement of an 0 0 0 18] established community (including a low-income or minority community)? Comments: The project site consists of 30-ft, by 40-fl. equipment and antenna pad, a second lO-ft- by lO-ft, antenna pad, and an existing paved access road to the equipment pad, The project site is located on a 3,18-acre parcel owned by the City of Chula Vista and leased to the Sweetwater Authority in the northwest quadrant of Wind rose Way and Moonview Drive, The property contains two water tanks located on a prominent knoll in the Terra Nova master planned community, The smaller tank has a 12-foot diameter and is 20 feet high; the larger tank has a 27-foot diameter and is 25 feet high, A paved road from Moonview Drive provides access to the tanks, The knoll and water tanks are visible from various locations in the surrounding community and from the Sweetwater River valley, The project consists of a three-sector directional antenna system with the related radio and power cabinets. The antennas would be mounted on 19-foot tall pole supports, Three antenna poles and a 608 square-foot graded pad would be located approximately 25 feet southwest of the western water tank, The graded equipment pad would be seven feet below the base of the water tanks and would contain five-foot high equipment cabinets, The equipment pad and antennas would be enclosed within a chain link fence with a gated entrance, 1 11/29/00 PotentiaUy PotentiaUy Significant Less than Significant Ume.. Significant No Impact Mitigated Imooct Imooct The proposed use is consistent with the CPQ (Public/Semi-Public) zone and General Plan RLM (Low- Medium Residential) designation. There are no agricultural uses in the area, The antenna installation would not disrupt or divide the physical arrangement of an established community, Mitigation: None II. POPULATION AND HOUSING. Would the proposal: a) Cumulatively exceed official regional or local 0 0 0 181 population projections? b) Induce substantial growth in an area either directly 0 0 0 181 or indirectly (e,g,. through projects in an undeveloped area or extension of major infrastructure)? c) Displace existing housing, especially affordable 0 0 0 181 housing? Comments: Implementation of the project would not create any additional employment opportunities or housing units in the area, No significant population or housing impacts would result from adding a wireless telecommunication facility to the existing AT&T wireless system in the San Diego region. Mitigation: None III. GEOPHYSICAL. Would the proposal result in or expose people to potential impacts involving: a) Unstable earth conditions or changes in geologic 0 0 0 181 substructures? b) Disruptions. displacements. compaction or 0 0 0 181 overcovering of the soil? c) Change in topography or ground surface relief 0 0 0 181 features? d) The destruction, covering or modification of any 0 0 0 181 unique geologic or physical features? e) Any increase in wind or water erosion of soils, 0 0 0 181 either on or off the site? t) Changes in deposition or erosion of beach sands. 0 0 0 181 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 hazards 0 0 0 181 such as earthquakes. landslides, mud slides, ground failure, or similar hazards? 2 11/29/00 Potentially Potentially SignifICant Less than Significant Urness Significant N. Impact Mitigated Impact Impact Comments: GeoTek, Inc, conducted a geotechnical evaluation of the site, The evaluation concludes that there are no known geophysical conditions present that expose people to geologic or earth hazards, No significant impacts have been identified and no mitigation measures are required, The Engineering Department, as a standard requirement of grading permit approval, will require a soils report and compliance with the applicable recommendations, Mitigation: None IV. WATER. Would the proposal result in: a) Changes in absorption rates, drainage patterns, or 0 0 0 I! the rate and amount of surface runoff? b) Exposure of people or property to water related 0 0 0 I! hazards such as flooding or tidal waves? c) Discharge into surface waters or other alteration of 0 0 0 I! surface water quality (e,g" temperature, dissolved oxygen or turbidity)? d) Changes in the amount of surface water in any 0 0 0 I! water body? e) Changes in currents, or the course of direction of 0 0 0 I! water movements, in either marine or fresh waters? f) Change in the quantity of ground waters, either 0 0 0 I! through direct additions or withdrawals, or through interception of an aquifer by cuts or excavations? g) Altered direction or rate of flow of groundwater? 0 0 0 I! h) Impacts to groundwater quality? 0 0 0 I! i) Alterations to the course or flow of flood waters? 0 0 0 I! j) Substantial reduction in the amount of water 0 0 0 I! otherwise available for public water supplies? Comments: The project is located adjacent to two existing water tanks, An II-foot by 17-foot concrete equipment pad (187 square-feet) would be located within a 25-foot by 25-foot graded pad (625 square-feet). The concrete equipment mount would result in a negligible increase in the rate of surface runoff from the proposed project site, Eight cubic yards of balanced cut and fill grading would be required for the graded pad, The maximum height of the cut slopes would be two feet. No significant impacts to water resources have been identified and no mitigation measures are required, Mitigation: None V. AIR QUALITY. Would the proposal: a) Violate any air quality standard or contribute to an 0 0 0 I! existing or projected air quality violation? 3 11/29/00 Potentially PoleDtiaUy Significant Less tbaD Sigøißcanl U""~ SignifICant No Impact Mitigated Impact Impact b) Expose sensitive receptors to pollutants? 0 0 0 181 c) Alter air movement. moisture, or temperature, or 0 0 0 iii cause any change in climate. either locally or regionally? d) Create objectionable odors? 0 0 0 181 e) Create a substantial increase in stationary or non- 0 0 0 181 stationary sources of air emissions or the deterioration of ambient air quality? Comments: The antenna facility would not produce any air emissions: only one to two service truck trips per month would be generated. Therefore, no significant air quality impacts would result. Mitigation: None VI. TRANSPORTATION/CIRCULATION. Would the proposal result in: a) Increased vehicle trips or traffic congestion? 0 0 0 iii b) Hazards to safety from design features (e,g" sharp 0 0 0 181 curves or dangerous intersections) or incompatible uses (e,g" farm equipment)? c) Inadequate emergency access or access to nearby 0 0 0 181 uses? d) Insufficient parking capacity on-site or off-site? 0 0 0 181 e) Hazards or barriers for pedestrians or bicyclists? 0 0 0 181 t) Conflicts with adopted policies supporting 0 0 0 iii 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: An existing paved maintenance road provides access to the water tanks from the end of Moonview Court. Sweetwater Authority has granted access rights to AT&T to use the existing maintenance road, No additional roadway facilities are required to serve the site, Short-term effects would consist of construction trucks required to install the facility, Long-term effects would consist of one to two service truck trips per month, No on-site parking is required, No significant transportation effects would result, Mitigation: None 4 11/29/00 Potentially Potentially Signifitant Less than Signifkant Unl~ Signilkant No Impact Mitigated Impatt Impact VII. BIOLOGICAL RESOURCES. Would the proposal result in impacts to,' a) Endangered. sensitive species, species of concern 0 ~ 0 0 or species that are candidates for listing? b) Locally designated species (e,g" heritage trees)? 0 0 0 ~ c) Locally designated natural communities (e,g" oak 0 ~ 0 0 forest, coastal habitat, etc,)? d) Wetland habitat (e,g" marsh, riparian and vernal 0 0 0 ~ pool)? e) Wildlife dispersal or migration corridors? 0 0 0 ~ t) Affect regional habitat preservation planning 0 0 0 ~ efforts? Comments: The proposed project would result in the removal of approximately O,021-acre (915 square feet) of Diegan coastal sage scrub (CSS) a vegetation community considered sensitive by the U,S, Fish and Wildlife Service (USFWS) and the California Department of Fish and Game (CDFG), Pacific Southwest Biological Services, Inc, (PSBS) completed a biological survey of the project and the surrounding area on February 1,2000, According to PSBS, the majority of the project site contains CSS, The CSS is considered to be of low quality due to previous vegetation disturbance and more recent vandalism, Two sensitive species were observed within the proposed project boundaries, Two coastal California gnatcatchers (Polioptila californica californica), a federally listed "Threatened" species, were observed off-site between the existing water tanks and access road and beyond the northern property line, The Orangethroat Whiptail Lizard (Cnemidophorus hyperythrus beldingi), a California Department ofFish and Game (CDFG) Species of Concern was also observed on-site, PSBS did not perfonn a gnatcatcher protocol presence/absence survey, because they believe the gnatcatchers observed are probably resident in the higher quality Diegan coastal sage scrub habitat to the north and northeast of the property, According to PSBS, the gnatcatchers are probably using the area around the project site as part of an "extended use area," but not as a breeding territory area, The project falls under the guidelines of the State of California's Natural Community Conservation Plan (NCCP) and a Habitat Loss Pennit (HLP) is required for the "take" of 0,02 I-acre of Diegan coastal sage scrub, The City recently adopted a Multiple Species Conservation Program (MSCP) Subarea Plan, Ifthe project proceeds under the City's Subarea plan, the project proponent would will have to wait until the City is given "take authority" by the USFWS & CDFG, The project would be regulated under the City's Habitat Loss and Incidental Take (HUT) Ordinance which is currently being prepared, The HUT Ordinance would include provisions to authorize the "take" of Diegan coastal sage scrub. The applicant would be required to obtain a HUT pennit rrom the City, The HUT will require that the loss of Diegan coastal sage scrub be mitigated at a 1: I ratio (0,021 acres) inside the MSCP Preserve or at a 1.5:1 (0,042 acres) ratio outside the MSCP Preserve and will contain limitations on grading during the gnatcatcher breeding season, If the proponent opts to proceed prior to the City receiving "take authority" from USFWS & CDFG, they will be required to obtain "take authorization" directly rrom the USFWS & CDFG through a Section 10 (a) or other appropriate pennitting process, 5 11/29/00 Potentially Potentially Signilkant Less than Significant Urn'" Significant No Impact Mitigated Impact Impact Mitigation: Prior to construction, the applicant sha]]: 1. Obtain a HUT pennit from the City of Chula Vista for the Diegan coastal sage scrub. The HUT wi]] require that the loss of Diegan coastal sage scrub be mitigated at a 1:] ratio (0,02] acres) inside the MSCP Preserve or at a 1.5:] (0,042 acres) ratio outside the MSCP Preserve; or 2, Obtain "take" authorization for the Diegan coastal sage scrub fTom the D.S, Fish and Wildlife Service and the California Department of Fish and Game through a Section ]0 (a) or other appropriate pennitting process. VIII. ENERGY AND MINERAL RESOURCES. Would the proposal: a) Conflict with adopted energy conservation plans? 0 0 0 I!! b) Use non-renewable resources in a wasteful and 0 0 0 I!! inefficient manner? c) ]f the site is designated for mineral resource 0 0 0 I!! protection, wi11 this project impact this protection? Comments: The low electrical power requirement of the project is consistent with energy conservation requirements of the Unifonn Building Code, The site does not contain any known mineral resources, No significant impacts would occur, Mitigation: None IX. HAZARDS. Would the proposal involve: a) A risk of accidental explosion or release of 0 I!! 0 0 hazardous substances (including. but not limited to: petroleum products, pesticides, chemicals or radiation)? b) Possible interference with an emergency response 0 0 0 I!! plan or emergency evacuation plan? c) The creation of any health hazard or potential 0 0 0 I!! health hazard? d) Exposure of people to existing sources of potential 0 0 0 I!! health hazards? e) Increased fire hazard in areas with flammable 0 I!! 0 0 brush, grass, or trees? Comments: The proposed wireless telecommunication site installation would not involve operations involving hazardous substances, Wireless telecommunication facilities are subject to Federal Communication Commission (FCC) regulations and are not known to emit electrical or electronic signals that are known to create human health hazards, No significant impacts are expected to occur. 6 11/29/00 Potentially Potentially Slgnifiunt Le.ssthan Significant UnLess Significant No Impact Mitigated Impact Impact An emergency power generator would be brought to the site if an extended power outage (i.e" in excess of two hours) should occur, These generators have an internal diesel fuel tank that provides a minimum of 24 hours of run time. In the event that a generator is needed, a liner would be required to prevent any fuel spillage that could result in a potential fire hazard, Refueling or transfers of fuel are not anticipated to occur on-site, as a 24-hour power outage is an unlikely event. The proposed antenna installation would not interfere with emergency response or evacuation plans. The Sweetwater Union High School District and the Sweetwater Authority have reported that the operation of the antennas would not interfere with their respective telecommunication systems, Based the comments provided by the Sweetwater Union High School District and the Sweetwater Authority, the proposed project would not result in potential significant impacts to emergency response or evacuation plans. Mitigation: In the event that a portable emergency generator is used on-site, a liner shall be placed under the generator to prevent fuel spillage, X. NOISE. Would the proposal result in: a) Increases in existing noise levels? 0 0 0 iii b) Exposure of people to severe noise levels? 0 0 iii 0 Comments: In the event of a power outage, the proposed project could potentially result in the temporary increase in noise levels due to the use of a portable generator. The use of a portable generator would be temporary and is unlikely to exceed two hours in length, therefore potential noise impacts are considered less than significant, Mitigation: None 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 iii b) Police protection? 0 0 0 iii c) Schools? 0 0 0 iii d) Maintenance of public facilities, including roads? 0 0 0 iii e) Other governmental services? 0 0 0 iii Comments: No new or altered governmental services will be required to serve the project. Fire and police protection can be adequately provided to the site. Mitigation: None XII. Thresholds. Will the proposal adversely impact the 0 0 0 iii City's Threshold Standards? As described below, the proposed project does not significantly impact any of the seven Threshold Standards, 7 11/29/00 PotentiaUy Potentially Significant Less than Significant Un!... Significant No Impact Mitigated Impact Impact a) Fire/EMS 0 0 0 I!I The Threshold Standards requires that fire and medical units must be able to respond to calls within 7 minutes or less in 8S% of the cases and within S minutes or less in 7S% of the cases, The City of Chula Vista has indicated that this threshold standa~d will be met. since the nearest fire station is one-half mile away and would be associated with a two -minute response time, Comments: The Fire/EMS threshold would be met as reported by the Fire Department. Mitigation: None b) Police 0 0 0 I!I 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,S 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 Police Threshold would be met as reported by the Police Department. Mitigation: None c) Traffic 0 0 0 I!I 1. City-wide: Maintain LOS "C" or better as measured by observed average travel speed on all signalized arterial segments except that during peak hours a LOS of "D" can occur for no more than any two hours of the day, 2, West otI-80S: Those signalized intersections which do not meet the standard above may continue to operate at their current 1991 LOS, but shall not worsen, Comments: The Traffic threshold would be met because the project would result in only one to two trips per month, Mitigation: None d) Parks/Recreation 0 0 0 I!I The Threshold Standard for Parks and Recreation is 3-acres/l,OOO population east of I-80S, The proposed project would comply with this Threshold Standard, Comments: No additional park and recreation facilities would be required by the installation of the wireless telecommunications facility, Mitigation: None e) Drainage 0 0 0 I!I The Threshold Standards require that stonn 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. 8 11/29/00 Potentially Potentially Significant Lesstban Significant Unless Significant No Impact Mitigated Impact Impact Comments: No additional stonn water flows would be generated by the installation of the antenna facility. Therefore, no conflict with the City's Drainage Threshold is anticipated, Mitigation: None t) Sewer 0 0 0 C!II 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: No sewer facilities are required to serve the antenna facility, Therefore, no conflict with the City's threshold is anticipated, Mitigation: None g) Water 0 0 0 C!II The Threshold Standards require that adequate storage, treatment, and transmission facilities are constructed concurrently with planned growth and those 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 time of building permit issuance, Comments: No water service is required for the antenna facility, Therefore, no conflict with the City's threshold is anticipated, Mitigation: None 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 C!II b) Communications systems? 0 0 0 C!II c) Local or regional water treatment or distribution 0 0 0 C!II facilities? d) Sewer or septic tanks? 0 0 0 C!II e) Storm water drainage? 0 0 0 C!II t) Solid waste disposal? 0 0 0 C!II Comments: Underground electrical and telephone services would be extended to the site from the nearest available power supply, The extension of services would not require new systems to be installed, or alterations of existing utilities. Mitigation: None 9 11/29/00 Potentially Potentially Significant Less than Significant UnIo" Significant N. Impact Mitigated Impact Impact XIV. AESTHETICS. Would the proposal: a) Obstruct any scenic vista or view open to the 0 181 0 0 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 scenic 0 0 0 181 route? c) Have a demonstrable negative aesthetic effect? 0 181 0 0 d) Create added light or glare sources that could 0 0 0 181 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 project will not obstruct any scenic vista or view open to the public because the project is not located on a scenic route, However, the project may result in an aesthetically offensive site open to public view unless mitigated, The subject site is located at a higher elevation and is visible from the Terra Nova residential conununity located to the south. east. and west. The subject site is currently dominated by two Sweetwater Authority water tanks surrounded by a chain link fence, Eucalyptus trees planted near the tanks provide limited visual screening of the existing tanks, The addition of the equipment pad and antenna towers on the slope, southwest of the tanks would be noticeable from residences on Windrose Way and Starwood Circle, The equipment cabinets could have a significant visual effect on the adjacent residences, However, The applicant has redesigned the project and recessed the equipment pad into the existing slope to reduce the visibility of the 7 -foot high equipment cabinets and landscaping is proposed around the equipment pad to reduce the visual effect to a less than significant level. Mitigation: 1. The equipment pad shall be recessed into the slope as conceptually shown on the site plan and is subject to review and approval by the Director of Planning and Building prior to the conunencement of construction, 2. A landscape plan approved by a qualified biologist shall be submitted to the City of Chula Vista for approval prior to the conunencement of construction, The plan shall include non-invasive vegetation that: · Will screen the equipment pad from the adjacent residences east of the site; · Does not require permanent irrigation; and · Is compatible with the coastal sage scrub habitat west of the tower, 3. Project proponent shall install landscaping prior to the completion of construction in accordance with approved landscape plans, 10 11/29/00 PotentiaDy Potentially Significant Less than Significant Unl~ Significant No 1m.." Mitigated Impact Impact XV. CULTURAL RESOURCES. Would the proposal: a) Will the proposal result in the alteration of or the 0 0 0 181 destruction or a prehistoric or historic archaeological site? b) Will the proposal result in adverse pbysical or 0 0 0 181 aesthetic effects to a prehistoric or historic building, structure or object? c) Does the proposal have the potential to cause a 0 0 0 181 physical change that would affect unique ethnic cultural values? d) Will the proposal restrict existing religious or 0 0 0 181 sacred uses within the potential impact area? e) Is the area identified on the City's General Plan 0 0 0 181 EIR as an area of high potential for archeological resources? Comments: There would be no significant impacts because there are no known cultural resources in the project area, Mitigation: None XVI. PALEONTOLOGICAL RESOURCES. Will the 0 0 0 181 proposal result in the alteration of or the destruction of paleontological resources? Comments: There are no known paleontological resources on the site or in the adjacent area, Minimal grading is required and no significant impacts to paleontological resources are anticipated, Mitigation: None XVII. RECREATION. Would the proposal: a) Increase the demand for neighborhood or regional 0 0 0 181 parks or other recreational facilities? b) Affect existing recreational opportunities? 0 0 0 181 c) Interfere with recreation parks & recreation plans 0 0 0 181 or programs? Comments: The installation of a wireless telecommunications facility does not generate a demand for parks and recreational facilities, Mitigation: None XVIII. MANDATORY FINDINGS OF SIGNIFICANCE: See Negative Declaration for mandatory findings of significance, If an EIR is needed, this section should be completed, 11 11/29/00 PotentiaDy Potentially Significant Less than Significant U'""" Significant No Impact Mitigated Impact Impact a) Does the project have the potential to degrade the 0 181 0 0 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 plant or animal or eliminate important examples of the major periods or California history or prehistory? Comments: As discussed in Section VII, Biological Resources, the proposed project would result in the removal of approximately O,021-acre (915 square feet.) of Diegan coastal sage scrub (CSS) a vegetation community considered sensitive by the V,S, Fish and Wildlife Service (USFWS) and the California Department ofFish and Game (CDFG), Mitigation: Same mitigation identified in Section VII, Biological Resources, b) Does the project have the potential to achieve 0 0 0 181 short-term, to the disadvantage of long-term, environmental goals? Comments: Adding a cellular telephone antenna to the water tank site would not significantly affect the long-term environmental goals of the City of Chula Vista. c) Does the project have impacts that are individually 0 0 0 181 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: The proposed project may result in visual impacts that are cumulatively considerable when viewed in connection with the existing water tanks, As discussed in Section XIV, the subject site is located at a higher elevation and is visible from the Terra Nova residential community located to the south, east, and west. The subject site is currently dominated by two Sweetwater Authority water tanks surrounded by a chain link fence, Eucalyptus trees planted near the tanks provide limited visual screening of the existing tanks, The addition of the equipment pad and antenna towers on the slope, southwest of the tanks would be noticeable from Windrose Way and Starwood Circle, However, the applicant has designed the wireless telecommunications facility to minimize aesthetic impacts to a level below significance, The applicant proposes to recess the equipment pad into the existing slope in order to reduce the visibility of the 5-foot high equipment cabinets, The equipment cabinets are proposed to be surrounded by a vinyl clad chain link fence and screened with landscaping planted at 5- foot intervals around the west, south and east side, Mitigation: Same mitigation identified in Section XIV, Aesthetics 12 11/29/00 Potentially Potentially Significant Less than Significant Unless SjgniJÏcant No 1m.." Mitigated 1m.." Impact d) Does the project have environmental effects that 0 0 0 181 will cause substantial adverse effects on human beings. either directly or indirectly? Comments: No substantial significant effects on human beings would result from adding a wireless teleconununications Facility to the subject site. XIX. PROJECT REVISIONS OR MITIGATION MEASURES: The following project revisions or mitigation measures have been incorporated into the project and will be implemented during the design, construction and operation of the project: BIOLOGICAL RESOURCES Prior to construction, the applicant shall: 1. Obtain a Habitat Loss Incidental Take (HUT) permit rrom the City of Chula Vista for the Diegan coastal sage scrub, The HUT will require that the loss of Diegan coastal sage scrub be mitigated at a I: I ratio (0,021 acres) inside the Multiple Species Conservation Program (MSCP) Preserve or at a 1.5:1 (0,042 acres) ratio outside the MSCP Preserve; or 2, Obtain "take" authorization for the Diegan coastal sage scrub from the V,S, Fish and Wildlife Service and the Califomia Department ofFish and Game through a Section 10 (a) or other appropriate permitting process, AESTHETIC IMPACTS I. The equipment pad shall be recessed into the slope as conceptually shown on the site plan and is subject to review and approval by the Director of Planning and Building prior to the commencement of construction, 2. A landscape plan approved by a qualified biologist shall be submitted to the City of Chula Vista for approval prior to the commencement of construction, The plan shall include non-invasive vegetation that: · Will screen the equipment pad from the adjacent residences east of the site; · Does not require pennanent irrigation; and · Is compatible with the coastal sage scrub habitat west of the tower. 3, Project proponent shall install landscaping prior to the completion of construction in accordance with approved landscape plan, 13 11/29/00 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 Enviromnental Impact Report, {JuÉ!I!!UI1k'tJAI. ¡]¡e..Jæ, ø/IN~ / Printed Name and Title of Authorized Representative of [Proper er's Name] / //'2<7' 00 ¡I Signature of Authorized Representative of Date [Property Owner's Name] ¡./ If} Printed N'ame and Title of [Operator if different from Property Owner] ;II.+- Signature eff Authorized Representative of Date [Operator if different from Property Owner] XXI. ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED: The enviromnental 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, OLand Use and Planning o Transportation/Circulation o Public Services o Population and Housing . Biological Resources o Utilities and Service Systems o Geophysical o Energy and Mineral Resources . Aesthetics o Water o Hazards o Cultural Resources o Air Quality o Noise o Recreation o Paleontology . Mandatory Findings of Significance 14 11/29/00 XXII. DETERMINATION: On the basis of this initial evaluation: I find that the proposed project COULD NOT have a significant effect on the environment. 0 and a NEGATIVE DECLARATION will be prepared, I fmd that although the proposed project could have a significant effect on the environment. . there will not be a significant effect in this case because the mitigation measúres described on an attached sheet have been added to the project. A MITIGATED NEGATIVE DECLARATION will be prepared, I find that the proposed project MAY have a significant effect on the environment, and an 0 ENVIRONMENTAL IMPACT REPORT is required, I find that the proposed project MAY have a significant effect(s) on the environment. but 0 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, 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 0 (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. 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