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HomeMy WebLinkAbout2918 Adeline Drive - Staff Report (3)MID PACIFIC ENGINEERING, INC Statement of Qualifications San Juan Unified School District — Multiple School Campuses Mid Pacific Engineering provides a full scope of geotechnical engineering, construction materials testing, special inspections and laboratory testing for the San Juan Unified School District, including special DSA Legacy and cell tower improvement projects. Our work scope includes but is not limited to: compaction testing of soils and aggregates, concrete "`�.-"�`�.'`�,�"�-'�'` �p �� ��t ...'' X field testing (including slump, air content, �� j�''�` '*,.�, �,.��"'-��� temperature and casting of concrete "` �~ 4� ��� � -� �, f.. cylinders), masonry inspections for block, mortar and grout, steel reinforcement placement, compression testing of concrete, mortar and grout, anchor bolt torque and pull testing, tensile and bend testing of steel reinforcement, and field and shop welding inspections. These projects under the jurisdiction of the Division of State Architect (DSA) range from new construction to modernizations and campus renovations. Our work is closely coordinated with the project Inspector of Record (IOR) to provide timely response to the various testing and inspection needs as well as timely distribution and uploading of test reports and daily field reports through the DSA Box. Bella Vista High School STEM (Science, Technology, Engineering and Mathematics) Building Work is underway on Bella Vista's new next-generation science wing which will include i� classrooms and labs along with a unique 5,000- square-foot "flex space". This District Signature Project is utilizing two existing shop buildings and transforming them into state-of-the- art classrooms to compliment one of the region's top high school science programs. Mid Pacific Engineering provided the Geotechnical Engineering and Geologic Hazards Report for the Science, Technology, Engineering and Mathematics (STEM) project and is providing full scope of materials testing and special inspections. CITY OF BURLINGAME PLANNING COMMISSION MARCH 23, 1992 CALL TO ORDER A regular called to P.M. ROLL CALL Present: Absent: meeting of the Planning Commission, City of Burlingame was order by Chairman Kelly on Monday, March 23, 1992 at 7:31 Commissioners Deal, Galligan, Graham, Jacobs, Kelly, Mink Commissioner Ellis Staff Present: Margaret Monroe, City Planner; Jerry Coleman, City Attorney; Frank Erbacher, City Engineer; Bill Reilly, Fire Marshal MINUTES - The minutes of the March 9, 1992 meeting were unanimously approved. AGENDA - Order of the agenda approved. ITEMS FOR STUDY �I 1. TENTATIVE PARCEL MAP AND NEGATIVE DECLARATION - LANDS OF FIFE, �- SUBDIVISION OF 2918 ADELINE DRIVE, DEED VOL. 6909 O.R. 94-95, i APN 027-111-050 Requests: copy of the soils study; how many trees can be removed, concern about impact of tree removal on soil stability; is back of the property accessible from Mills Canyon park, is there an easement or just informal use, is subdivider or developer required to make access improvements; what are the rectangular boxes marked PA on Parcel B; when were the following parcels created: 2886, 2888, 2890, 2896 Adeline, were they created from a larger parcel; address the issue of driveway access; length of street frontage for each lot, total street frontage of undivided parcel; will driveway access to Parcel B come over another property, history of that easement, when and why it was first granted, why does Parcel A need to have access across Parcel B. Item set for public hearing April 13, 1992. 2. REAR SETBACK AND PARKING VARIANCES FOR A FIRST FLOOR ADDITION AT 2327 HALE DRIVE, ZONED R-1 Item set for public hearing April 13, 1992. i e � ��'f �. s P.C. 3/23/92 Item # 1 MEMO T0: PLANNING COMMISSION FROM: DEPARTMENT OF PUBLIC WORKS - CITY ENGINEER DATE: MARCH 17, 1992 SUBJECT: STUDY REVIEW OF PROPOSED TENTATIVE PARCEL MAP AND NEGATIVE DECLARATION - LANDS OF FIFE; DEED VOL. 6909 O.R. 94-95; APN 027-111-050, 2918 ADELINE DRIVE This application is to divide a 90,784 S.F. (2.09 AC) lot into two parcels, one 15,217 S.F. (0.349 AC) and the second 75,567 S.F. (1.735 AC). The existing house is to be removed. The Subdivision Code, Section 26.24.050 provides four (4) review criteria that ne�d to be addressed in the Commission's review of the proposed map. It states: "The commission shall make its decision upon such considera- tion as, but not limited to, the following: (a) Recommendations of the city engineer; (b) Compatibility of proposed lots to pattern of existing lots in the neighborhood; reverse corner lots or key lots shall not be introduced into a neighborhood where such lots do not now exist; (c) Accessibility to safety services. The commission may consider grade of access roads or easements and require that such grade is not excessive or beyond the capacity to traverse by safety equipment; (d) Proposed grading and contours of the finished sites. The commission may require as a condition that the finished contour of the building site or sites reasonably conform with the neighborhood pattern where such pattern exists." Addressing these criteria, the Commission will need to determine compatibility of proposed lots with the pattern of existing lots in the r.eighborhood. The attached map and Table I give the frontages and lot areas of existing lots in the vicinity. From the standpoint of accessibility to safety services, there are no changes. The grades on site are discussed below. All creek lot requirements for development of a lot caith a creek (CS 26.08.075) are met. The Fire Department, Building Department and Planning have reviewed the proposal. The Fire Department asks for a construction condition for the roof, automatic fire sprinkler system if structures are over 5,000 S.F., and either on-site fire hydrants and a 20-foot wide , Page 2 access road to Fire Department standards or automatic fire sprinkler system installed as an alternative. The Building Department indi- cated that the existing structure needs to be removed prior to the lot split (house is on proposed property line). The Planning Department indicates that the parcel split meets their minimum lot size and width criteria. They also indicated that various easements are required; lot dimensions are needed; the compatibility of lot size to those in the neighborhood is required; and hillside area construction permits will be needed on any structures. Engineering staff has reviewed this request. Possible development concerns to be covered in further submittals from the applicant and possible questions on this parcel map are: 1. Parcel A is 15,217 S.F. (.35 AC). It is smaller in size than most lots on�the Burlingame side of Adeline Drive. Does this lot and the remnant, Lot B- 75,600 S.F. (1.74 AC), meet the pattern of existing lots in the "neighborhood?" 2. The average slope of the existing lot is about 330. Can the new lots be reasonably developed both with homes and access? 3. Does the development cause any concerns about the grading and changes in contours? Below are a number of developmental questions and concerns. Any hillside development will need some grading and filling. In this case, the exact limits are not shown but implied as above-grade structures or retaining walls supporting cut slopes or filled areas. Designs at this point are conceptual only. 4. Review if parcel development. Parcel A: a. Driveway access is at maximum code slope from a new entrance which crosses Lot B. Similar situation exists with the existing home. b. Access as shown is elevated from 6' to 13' above grade. It could be installed with retaining walls of similar heights. c. The garage backup area requires cutting into the hill and retaining walls 6' - 10' in height adjacent to 2930 Adeline as well as parallel to Adeline Drive. Retaining walls and fills are required for the driveway access down or possibly a raised structure as shown. d. Should the subdivider be required to install the required driveway access and retaining structures for the garage pad? Staff will be suggesting installing the paved access to the building pad as a minimum to insure that no variance requests are received. 0 Page 3 e. Possible house area shown at 1800 S.F. per floor.' It could be a second story if a hillside area construction permit is required. f. Is there excessive grading on this site? Existing house pad is used mostly for the new house. The garage and parking area requires the cutting into the slope as indicated above. Parcel B: a. Parcel B is 75,567 S.F. (1.735 AC) and is similar in size to other lots on the Burlingame side of Adeline Drive. b. Parcel B is not a flag lot since its frontage meets City code requirements. c. Driveway to Parcel B is shared with 2910 Adeline as is now shared with house at 2918 Adeline. d. A portion of the driveway is new and extends further down slope to a level parking pad fronting a new house. Retaining walls up to 10' are required to develop the parking pad. e. A possible house has first floor below garage grade to keep to maximum building height allowed to 30'. Other designs are possible. f. Should the subdivider be required to install the required driveway access and retaining structures for the garage pad? Staff will be suggesting installing the paved access as a minimum. Since the parking pad requires either retaining structures to 10' or a raised platform, should some portion be installed by the subdivider or should an alternate design or lot configuration and access be considered? g. Is there excessive grading on this site? Most of the proposed house and garage siting requires either fill and retaining walls or raised structures to 10' in height. A little cutting appears to be required for the new portion of the driveway. In addition to the above, the following information is needed or should be considered at the Final Map stage: a. The front lot width at the street needs to be shocan for both lots. b. Set back at Parcel B garage shown at about 10'. If actually built, Planning would require 15' at that location. c. Show Mills Creek at the rear of the property. Page 4 d. Stopping sight distances for 25 miles per hour need to be confirmed by applicant's engineer at each driveway for exiting vehicles and approaching vehicles to see each other. e. Covenants for drainage easements and drainage system designs are needed for Parcel A to drain over Parcel B. f. Covenants for placing access easements across Lot B need to be on the final map. Slope easements for fills and cuts may be needed also. g. Covenants and maintenance agreements together with improvement plans for joint building sewer use are needed for final map. h. A subdivider agreement together with on-site developmental plans for_.all work that is required as a condition of the Final Map. As these items and any Commission questions are discussed with the applicant and his engineer, there may be other questions, concerns and conditions. ����x�='�� ���� Frank C. Erbacher djm cc: Applicant Engineer STAFF REVIEW OF APPLICATION TO THE PLANNING COMMISSION I. Project Address: 2918 Adeline II. Project Description and Permits ReQuested: A Tentative Map for the subdivision of a 90,784 S.F. parcel into two parcels of 15,217 S.F. and 75,567 S.F. III. Property Identification: Assessor's Parcel Number(s): 027-111-050 Legal Description: Lands of Fife per deed recorded 8/11/75 in Volume 6909 of Official Records at pages 94 and 95 Lot Size: 90,784 S.F. Zoning: R-1 General Pl�n Designation: Low Density Residential IV. Existing Site Conditions and Ad�acent Land Uses: Presently, there is one single family residence which would have to be removed for the proposed lot split. To the south across Adeline Drive are unincorporated lands of San Mateo County. To the east and west are lands Zoned R-1. V. CEQA Status: See Negative Declaration attached. VI. Project Data: Proposed lot sizes: Parcel A=15,217 S.F., Parcel B=75,567 S.F. 0 CITY OF BURLINGAME NEGATIVE DECLARATION File No. ND 452-E The City of Burlingame, by Frank C. Erbacher, City Enqineer on March 17, 1992, completed a review of the proposed project and determined that: ( X) It will not have a significant effect on the environment. ( X) No Environmental Impact Report is required. Reasons for Conclusion: Initial study indicated that no significant effects were found tha� could not be reduced with recommended mitigations, for reasons stated, to a level acceptable to the Community. (See attached sheet) Because the site is in an essentially developed area and the development is infill, the other items listed in the initial study were determined not to have a significant effect. Signature of Processing Official Title Date Signed c Responses to Identified Environmental Effects: 1. Earth (b,c,e) This proposal will require minor grading for the driveway access and foundation pads. Water erosion could increase during construction. The City will condition this project approval to minimize erosion by requiring that grading activities shall occur only between May and September; that stock piles of debris, construction materials and trucks hauling materials shall be covered; that the street be swept of debris daily. 3. Water (b) This proposal will result in additional hard surface runoff on the site (additional roof area and driveway area). This addi- tional amount will not be substantial and can be easily accom- modated by Mj.11s Creek at the northern end of the site. �.�e C�z.�� a.� �axx.�a���n�r.e CITY HALL-501 PRIMROSE ROAD BURLINGAME� CALIFORNIA 94010 I. Backqround PLANNING DEPARTMENT (415) 342-H625 1. Name of Proponent Jim and Diane Fife 2. Address and Phone Number of Proponent 2918 Adel i ne . Burl i n�ame, CA 94010 (Tel.) 415-348-2556 3. Date Checklist Submitted 3/17/92 4. Agency Requiring Checklist City of Burl inqame 5. Name of Proposal, if applicable Tentati ve Parcel Map: Lands nf Fi fe II. Environmental Impacts ( Explanations of all "YES" and "MAYBE" answers are required on attached sheets.) YES MAYBE NO 1. Earth. Will the proposal result in: a. Unstable earth conditions or changes in geologic substructures? b. Disruptions, displacements, compaction or over-covering of the soil? _ � c. Change in topography or ground surface relief structures? � d. The destruction, covering or modifica- tion of any unique geological or physical features? e. Any increase in wind or :aater erosion of soils, either on or off site? f. Changes in deposition or erosion of beach sands, or changes in siltation, deposi- tion or erosion which may modify the channel of a river or stream or the bed of the oc�an or any bay, inlet or lake? _ , 0 X � 4. Plant Life. Will the proposal result in: a. Change in the diversity of species, or number of any species of plants (includ- ing trees, shrubs, grass, crops, and aquatic plants)? b. Reduction in the numbers of any unique, rare or endangered species of plants? c. Introduction of new species of plants into an area, or in a barrier to the normal replenishment of existing species? d. Reduction in acreage of any agricultural crop? YES MAYBE NO 5. Animal Life. Will the proposal result in: a. Change in diversity of species, or numbers of any species of animals (birds, land animals including reptiles, fish and shellfish, benthic organisms or insects)? b. Reduction if the numbers of any unique, rare or endangered species of animals? c. Introduction of new species of animals into an area, or result in a barrier to the migration or movement of animals? d. Deterioration to existing fish or wild- life habitat? 6. Noise. Will the proposal result in: a. Increases in existing noise levels? b. Exposure of people to severe noise levels? 7. Light and Glare. Will the proposal produce new light and glare? 8. Land Use. Will the proposal result in a substantial alteration of the present or planned land use of an area? 9. Natural Resources. Will the proposal result in: a. An increase in the rate of use of any natural resources? b. Substantial depletion of any nonrenew- able natural resouces? � 0 � � � Y y � � �' :� � / � . e. Maintenance of public facilities, including roads? f. Other governmental services? 15. Enerqy. Will the proposal result in: a. Use of substantial amounts of fuel or energy? YES MAYBE NO b. Substantial increase in demand upon exist- ing sources of energy, or require the development of new sources of energy? 16. Utilities. Will the proposal result in a need for new systems, or substantial alter- ations to the following utilities: a. Poy�er of natural gas? b. Communications systems? c. Water? d. Sewer or septic tanks? e. Storm water drainage? f. Solid waste disposal? 17. Human Health. Will the proposal result in: a. Creation of any health hazards or poten- tial health hazard (excluding mental health.) b. Exposure of people to potential health hazards? 18. Aesthetics. Will the proposal result in the obstruction of any scenic vista or view open to the public, or will the proposal result in the creation of an aesthetically offensive site open to public view? 19. Recreation. Will the proposal result in an impact upon the quality or quantity of exist- ing recreational opportunities? 20. Cultural Resources. a. Will the proposal result in the alter- ation of or the destruction of a pre- historic or historic archaeological site? � X � � � -,� � � -� r : � ,� � � IV. Determination (To be completed by the lead agency.) On the basis of this initial evaluation: I find that the proposed project COULD NOT have a significant effect on the environment, and a NEGATIVE DECLARATION will be prepared. 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 the mitigation measures described on the attached sheet(s) have added to the project. A NEGATIVE DECLARATION WILL BE PREPARED. �_ I find the proposed project MAY have a significant effect on the environment, and an ENVIRONMENTAL IMPACT REPORT is required. Date Signature For � �� ���,. � A . "� i �4�{�,_�/, -� � . .j _ . —C . j "f . ,},ab . : J �L x !�- ' _ ��! '�,4 �' : � . �( . ,f �� ` t it . � Ps� �, - _ :. � �,. i�'. . . :'. . � �ti .31 '�- �+..��� �^ �"` , a �` �-^ _ :� �� , � �x-�� � `�� � -_ , � _ � f � �,, � -� '� � � .�,;�,� � �- _�` �,-�` � ���'� � � �; , -�,_ "' �# : - � � � � ��. � � � �;: `.. 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