DATE SIGNED SIGNATURE 0 1 2 3 DESIGNERS: DRAWING NO. DATE: DRAWN BY: JOB #: OF 1 2 3 4 A B C D 1 2 3 4 5 5 SHEETS CJH CJH 001-001 3/8/12 5 1 Cover Sheet CE 471 WINTER 2012 IMPROVEMENT PLANS 0 IMPROVEMENT PLANS FOR CE 471 WINTER 2012 COUNTY OF SAN LUIS OBISPO STATE OF CALIFORNIA SITE SITE LOCATION NO SCALE VICINITY MAP NO SCALE SITE 1. These plans are part of a set of Contract Documents and shall not be considered the sole source of construction information. All construction work and installations shall conform to the County of San Luis Obispo 2006 Standards and Specifications, the Contract Documents and work shall be subject to the approval of the County. 2. The Contractor shall have copies of the approved contract documents for this project on the site at all times and shall be familiar with all applicable standards and specifications. 3. Contractor agrees that he shall assume sole and complete responsibility for the job site during the course of the project, including safety of all persons and property; that this requirement shall apply continuously and not be limited to normal working hours; and that the Contractor shall defend, indemnify, and hold the Engineer and Owner harmless from any and all liability, real or alleged, in connection with the performance of work on this project, except for liability arising from the sole negligence of the Owner or Engineer, or third party in violation of the law or in trespass. The Contractor shall practice safety at all times and shall furnish, erect, and maintain, such fences, barricades, lights, and signs necessary to give adequate protection to the public at all times. 4. Information pertaining to existing underground facilities is based on record information and is as shown for informational purposes only. Underground features shown in plan view on the plans are indicated with their approximate location and extent, and may not appear in profile or sections views. The Contractor shall be responsible for contacting all agencies involved and shall locate all facilities prior to excavation in any area. The Contractor shall call Underground Service Alert (USA), toll free at 1-800-227-2600, and the County of San Luis Obispo at 805-781-5600 forty-eight (48) hours prior to the start of construction. 5. The Contractor shall continually review job site conditions. Conditions requiring construction different from that shown on the plans shall be reported to the Engineer prior to proceeding with the affected construction. 6. These drawings represent the finished condition and unless otherwise indicated, they do not show the method of construction. 7. All improvements shown or indicated on these drawings are to be constructed and/or installed by the Contractor in this project, unless they are called out as: "existing", "future", "NIC", "NOT A PART" or have some other excluding notation. 8. Contractor shall keep a set of project drawings on which record information shall be placed noting deviations from the plans in the location, grade, size, type, and scope of work which is constructed. 9. The Engineer of work shall perform periodic reviews of completed work to determine conformance with the approved plans. Contractor shall correct any differences found by such survey and will provide all Contractor's records kept during the course of construction to the Engineer of Work for preparation of record drawings. Engineer will prepare such record drawings upon completion of the work and prior to County's final inspection. The Engineer shall be present when the final inspection is made. 10. Occupational Safety and Health Act (OSHA) requirements and standards shall be observed at the job site at all times. 11. Contractor shall organize a pre-construction meeting prior to commencement of work. The meeting shall include (at a minimum) the Owner/Representative, Contractors, Engineer of Work, Soils Engineer, pertinent Utility Companies, Surveyor, Environmental Monitor, and County staff. 12. Existing Topographic information delineated on these plans is based on a field survey dated September 20, 21, 24, and October 11, 2007. 13. All construction shall be in complete compliance with all recommendations and requirements as set forth in the Soils Report dated May 30, 1997 and subsequent report(s). 14. Contractor to work within the following construction hours: Weekdays: 7:00am to 6:00pm Saturdays: 8:00am to 5:00pm Sunday: No work allowed 15. See Erosion Control Plans for erosion and dust control notes and details. 16. Contractor to comply with the best available control technology for equipment as verified by APCD and the Construction Activities Management Plan approved by APCD. 17. See separate plans/details provided by Pacific Gas & Electric, Verizon, Southern California Gas Company, and Charter Communications for utility details and trenching. GENERAL NOTES 1. No construction shall be started without Construction Documents approved by the County of San Luis Obispo. The County shall be notified at least forty-eight (48) hours prior to start of construction. Any construction done without approval or prior notification to the County may be rejected and will be at the Contractor's and/or Owner's risk. 2. All construction work and installations shall conform to the County of San Luis Obispo 2006 Standards and Specifications and all work shall be subject to the approval of the Department of Public Works. 3. Soils tests shall be done in accordance with the County of San Luis Obispo 2006 Standards and Specifications Section 11-351.1403 and 11-351.1404. All tests must be made within 15 days prior to the placing of material. The test results shall clearly indicate the location and source of the material. 4. Compaction tests shall be made on subgrade material and material as specified by the Engineer. Said tests shall be made prior to the placing of the next material. 5. Subgrade material shall be compacted to a relative compaction of 95 % in the zone between finished subgrade elevation and 1 foot below. All material in fill sections below the zone mentioned above shall be compacted to 90 % relative compaction. 6. A registered Civil Engineer must certify that the improvements when completed are in conformance with the plans prior to the request for final inspection. Record Drawings are to be prepared after construction is completed. The Civil Engineer certifying the improvements and preparing the Record Drawings will be present when the final inspection is made. 7. An inspection agreement is required prior to the start of construction. 8. All utility companies shall be notified prior to the start of construction. 9. A County Encroachment Permit is required for all work done within the County right-of-way. 10. The County Inspector acting on behalf of the County Engineering Department may require revisions in the plans to resolve unforeseen problems that may arise in the field. All revisions shall be subject to the approval of the Developer's Engineer. 11. The structural section shall be based on soils tests made at the time of construction and on a Traffic Index. 12. Hydromulching or permanent vegetation shall be established on all disturbed surfaces other than paved surfaces, prior to final inspection. 13. For any public improvements to be maintained by the County, if environmental permits from the U.S. Army Corps of Engineers, the California Regional Water Quality Control Board/State Water Resources Control Board, or the California Department of Fish & Game are required, the Developer shall: a. Submit a copy of all such completed permits to the County Department of Public Works OR; b. Document that the regulatory agencies determined that said permits are not required, prior to acceptance of the completed improvements for county maintenance and release of improvements security. Any mitigation monitoring required by said permits will remain the responsibility of the Developer. 14. All projects involving site disturbance of one acre or greater shall comply with the requirements of the National Pollutant Discharge Elimination System (NPDES). The Developer has filed a Notice of Intent (NOI) to comply with the General Permit for Construction Activity with the Regional Water Quality Control Board (RWQCB). The Waste Discharge Identification number WDID # ______________________________. COUNTY GENERAL NOTES Date Cable/TV Date Sheet Index Sheet Number Sheet Title 1 Cover Sheet 2 Grading Plan 3 Plan and Profile 4 Plan and Profile 5 Details EARTHWORK CALCULATIONS (Based on Subgrade.) Road: Buildings: Cut: 19201.17 CY Cut: 2091.44 CY Fill: 40.08 CY Fill: 16123.76 CY Net: 19161.09 CY Net: 14032.32 CY Net Export: 5128.77 CY 1. No adjustments for shrinkage or removals considered in calculation. 2. Quantity estimated shown in this plan are to be used for and permit purposes only. It is the responsibility of the contractor to estimate quantities for the purposes of construction & bidding. Electric Date Gas Date Phone License Expires 12/31/09 RCE ##### RCE ##### License Expires 03/31/09 Geotechnical Engineer Principal Engineer Date Date These plans (Sheets 1 through 5, dated___3/8/2012_________) have been reviewed specifically with respect to geotechnical factors and have been found to be in substantial compliance with the recommendations provided by this firm. Factors relating to architecture, civil or structural engineering, and other disciplines are beyond the scope of this review. ABBREVIATIONS AC ASPHALTIC CONCRETE BC BEGIN CURVE BLDG BUILDING CL CENTERLINE CONC CONCRETE CONST CONSTRUCTION CY CUBIC YARD DET DETAIL D/W DRIVEWAY E EXISTING EC END CURVE EL ELEVATION EP EDGE OF PAVEMENT EX EXISTING EG EXISTING GROUND FF FINISH FLOOR FG FINISH GRADE FL FLOW LINE FS FINISH SURFACE FT FEET GB GRADE BREAK HDPE HIGH DENSITY POLYETHYLENE INV INVERT L LENGTH MAX MAXIMUM MIN MINIMUM MH MANHOLE NTS NOT TO SCALE R RADIUS R/W RIGHT OF WAY SS SANITARY SEWER SD STORM DRAIN SHT SHEET STA STATION STD STANDARD TYP TYPICAL VERT VERTICAL *NOTE: THIS IS A STANDARD SET OF ABBREVIATIONS. NOT ALL ABBREVIATIONS SHOWN WILL APPLY TO THIS WORK. 1. Contractor shall investigate the site during clearing and earthwork operation for any existing hazard to construction not shown on the plans such as filled excavations or buried structures such as cesspools, cisterns, foundations or large deposits of organic material, etc. If any such hazards are found, the Owner shall be notified. All existing surface structures, fences, tanks, pipes, etc., and any buried material specified in the plans for removal from the site shall be disposed of at a licensed disposal facility. 2. Within 30 days of completed grading of each portion of the site, that portion shall receive landscape/erosion control cover and/or the following hydroseed mix: Species lbs / acre Eschscholzia californica (California poppy) 4 Koelaria macrantha (june grass) 4 Lotus scoparius (deerweed) 6 Lupinus nanus (sky lupine) 3 Lupinus succulentus (succulent lupine) 3 Festuca microstachys (native fescue) 8 Melica imperfecta 2 All landscape/hydroseed/erosion control shall be installed per County requirements and industrial standards. Erosion Control Plans are provided under separate permit. 3. All disturbed areas shall be revegetated. Place temporary siltation mitigation devices October 15 to April 15 (refer to the Erosion Control Plans). Disperse drainage from impermeable areas to mitigate erosion. 4. Contractor shall provide a minimum of 48 hours written notice to the Project Representative and Surveyor when requesting survey stakes. 5. Unless otherwise noted, all water pipe and fittings shall be Class 150, DR 18, Polyvinyl Chloride (PVC), "bell and spigot" type, meeting the standards set forth in AWWA C900. All fittings for the water pipe shall be ductile iron or gray iron for PVC pipe conforming to AWWA C110 with cement mortar lining per AWWA C104. Metallic pipe fittings shall be polyethylene encased per AWWA C105 unless noted otherwise. 6. All sanitary sewer pipe (including laterals, cleanouts, etc.) shall be polyvinyl chloride (PVC) SDR35 meeting the standards set for in ASTM D3034-88. All sanitary sewer fittings shall be installed in accordance with the standards set forth in ASTM D2321-83a unless otherwise noted. 7. All sanitary sewer gravity mains shall be inspected by video after testing is complete and is satisfactory to the Engineer of Work and the County Inspector. These sewer mains shall also be tested for out-of-round deflections per manufacturers specifications. Sags indicated by the video inspection will require the affected length of pipe to be removed and reinstalled to conform to the requirements of the County of San Luis Obispo 2006 Standard Specifications. Cost of all testing and inspection including video retakes shall be paid for by the person, firm, or corporation constructing the improvement. 8. All water mains shall be tested, flushed and disinfected pursuant to the County of San Luis Obispo 2006 Standard Specifications. Cost of all testing, disinfecting and reconstruction due to test failure shall be born by the Contractor. Tracer wire to be installed with all water mains. 9. All water system gate valves shall be Resilient Seat-Resilient Wedge fully encapsulated meeting the requirements of AWWA C509. Valves shall be placed in a Brooks 3RT valve box or approved equal. 10. All sewerage and water supply shall conform to the requirements of the County of San Luis Obispo 2006 Standard Specifications unless otherwise noted on these plans. 11. All sewerage and water crossings shall conform to the requirements of the State Health Department. 12. All storm drain pipe shall be corrugated dual wall (smooth interior) high density polyethylene (HDPE) pipe with soil-tight bell and spigot joints unless otherwise noted on these plans. CONSTRUCTION NOTES