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HomeMy WebLinkAboutC1.1_Cover Q O U DEVELOPMENT PLANS FOR GENERAL SEWER ago co 1. All construction work shall be done in accordance with the current version of the 1. Construction of the sewer system shall conform to the standards in the Wastewater Rules (IDAPA 58.1.16) as well as the standards and MODERN CRAFTSMAN AT FRANKLIN = w Idaho Standards for Public Works Construction (ISPWC), the City of Meridian specifications referred to in General Construction Note No. 1. 'i Z ~ Supplemental Specifications to the ISPWC and an addendums , A PORTION OF THE SW 1/4 OF THE SW 1/4 OF SECTION 10 � pp p ( y ) Meridian Design 2. The horizontal separation of potable water mains and non-potable water mains (sanitary sewer, storm drain, and irrigation) shall be a Z Standards and the requirements of the Ada County Highway District (ACHD). The minimum of ten (10) feet. Where it is necessary for a potable water main and non-potable water main to cross with less than eighteen (18) TOWNSHIP 3 NORTH, RANGE 1 WEST, BOISE MERIDIAN more stringent of any of these standards shall be the controlling standards or inches of vertical separation, the crossing shall be constructed in accordance with Section 542.07 of the Idaho Rules for Public Drinking Water MERIDIAN, ADA COUNTY, IDAHO =_ a specifications. Systems (IDAPA 58.01.08) and Section 430.02 of the Wastewater Rules (IDAPA 58.01.16). 2023 _ o 2. The Contractor shall have a copy of the latest City of Meridian Standard Specifications and Drawings on site or readily 3. The horizontal separation of non-potable services and potable water services or potable water mains shall be a minimum of six (6) feet. W Z accessible at all times during construction (available on the website). Failure to have access to a current copy of the Where it is necessary for a potable water main and non-potable water main to cross with less than eighteen (18) inches of vertical kF � U) Standard Specifications on site could be grounds for a stop work order until the situation is resolved. separation, the crossing shall be constructed in accordance with Section 542.07 of the Idaho Rules for Public Drinking Water Systems (IDAPA �NFpy Z w 3. The Contractor shall have plans stamped "Approved for Construction"by the City of Meridian on site at all times. 58.01.08) and Section 430.02 of the Wastewater Rules (IDAPA 58.01.16). L9� 4. All Contractors, Subcontractors, and Utility Contractors shall attend a pre-construction conference prior to start of work. 4. Place sewer service lines in a six (6) inch diameter water class pipe sleeve wherever the service line crosses a storm water treatment facility Rq� ♦� `� 5. Contractors shall notify the appropriate agency when materials are on site or inspection of the work is (i.e., seepage beds, drainage swales). - IT W o required. No work may begin on any project without Twenty Four (24) hour prior notice. CHESTERFIELD w w 6. Contactor shall notify the Public Works Inspector 48 hours prior to the required testing. The Contractor may not open or --- SUBDIVISION _� Q close water valves. WATER w 7. All material furnished on, or for the project must meet the minimum requirements of the approving agencies. At the 1. Construction of the water system shall conform to the standards in the "Idaho Rules for Public Drinking Water Systems (IDAPA 58.01.08)" as well F7 L request of the approving agency or the Design Engineer, Contractors shall furnish proof that all materials installed on this project meet the specification requirements set forth in General Construction Note No. 1. as the standards and specifications referred to in General Construction Note No. 1. NAL 8. Work subject to approval b an governmental agency must be approved prior to A backfillin trenches for pipe; 2• The horizontal separation of potable water mains and non-potable water mains (sanitary sewer, storm drain, and irrigation) shall be a minimum SS�O FNG J PP Y Y 9 9 Y PP P ( ) 9 P P (B) G�STE placing aggregate ( ) placing ( ) placing P paving. of ten (10) feet. Where it is necessary for a potable water main and non-potable water main to cross with less than eighteen (18) inches of o � RF F lacin of a re ate base; C lacin of concrete; D lacin of asphalt avin AVIATOR 9. Inspection, approval and final acceptance of all water and sewer construction shall be by the Public Works Department, vertical separation, the crossing shall be constructed in accordance with Section 542.07 of the Idaho Rules for Public Drinking Water Systems SUB (IN 09/01/2023 and their decision shall be final. Such inspections shall not relieve the contractor from the responsibility of performing the (IDAPA 58.01.08) and Section 430.02 of the Wastewater Rules (IDAPA 58.01.16). PROGRESS) `�17 8 82 work in an acceptable manner in accordance with the DEQ/QLPE approved construction plans. 3. The horizontal separation of non-potable services and potable water services or potable water mains shall be a minimum of six (6) feet. Whereit is necessary 10 y P con trucdoniation from the approved plans and specifications must have the applicable agency approval in writing prior to crossing shall be constr a oructed in table water accordance with Sectione water 542.07 ofathe in to ldaho R cross ules es for Public Drinking Water inchesith less than eighteen (18) Systems (IDAPA 58.01r08) and e � �F�N SFC�P�c� 11. Prior to beginning installation of street lights, the electrical contractor shall obtain an Electrical Permit from the Building Section 430.02 of the Wastewater Rules (IDAPA 58.01.16). PROJECT a Division of the Meridian Public Works Department. Any deviation in street light locations from the approved plans must be 4. Place water service lines in a two (2) inch diameter pipe sleeve wherever the service line crosses a storm water treatment facility (i.e. seepage SITE o CHECKED BY: approved in writing from the City Engineer. beds, drainage swales). 211DAVID A. BAILEY P.E. 12. All lot, block street, right-of-way and easement dimensions shall be taken from the final plat of Modern Craftsman at 5. The Contractor shall be responsible for providing continuous water service to all existing water users affected by construction. If water service = m e� DRAWN BY: Franklin. must be interrupted, the contractor shall coordinate with the Public Works Inspector. KSC 13. The Contractor shall maintain all existing drainage facilities within the construction area until the drainage improvements a m 1 are in place and functioning. 14. All Contractors working within the project boundaries are responsible for compliance with all applicable safety laws of any DRAINAGE- jurisdictional body. The Contractor shall be responsible for all barricades, safety devices and control of traffic within and 1. For any drainage facilities within a public Right-of-Way, ACHD or ITD shall be responsible for inspection. For any private drainage facilities the around the construction area. project engineer or architect shall be responsible for inspection and certification of drainage facilities; however any roof drainage and piping to 15. The locations of existing underground utilities are shown in an approximate way only. The Contractor shall determine the the facilities will be inspected by the Meridian plumbing official under the appropriate permit. exact location of all existing utilities before commencing work. The Contractor assumes all responsibility for any and all damages caused by his failure to exactly locate and preserve any and all underground utilities. Digline # 1-800-342-1585. U 16. All Contractors working within the public road right-of-way are required to secure a right-of-way construction permit PRIVATE DRIVE AND PARKING AREAS BARAYA Z from ACHD at least forty-eight (48) hours prior to any construction. `SUBDIVISION 17. Locate subsurface stormwater disposal facilities (including infiltration beds and drywells) at least 25 feet from water 1. All construction shall conform to the current edition of the ISPWC. No exceptions to the ISPWC will be allowed unless specifically and previously approved in writing by the Engineer of Record. mains. This requirement does not apply to catch basins or sand and grease vaults. 2. When discrepancies occur between plans and specifications, the contractor shall immediately notify the engineer. Untimely notification shall negate any contractors o 18. The Contractor(s) shall remove all obstructions, both above and below ground, as required for the construction of the claim for additional compensation. proposed improvements. This shall include clearing and grubbing which consists of clearing the ground surface of all trees, UJ 3. Inspection of work shall be by the owners engineer. w stumps, brush, undergrowth, hedges, heavy growth of grass or weeds, fences, structures, debris, rubbish, and such material 4. All tops of valve boxes and sewer manholes shall be set flush with the slope of the finished street grades. the roadway contractor shall install and adjust all N o which, in the opinion of the Engineer, is unsuitable for the foundation of pavements. All material not suitable for future use spacers, grade rings, manhole rings and lids. > LLJ on site shall be disposed of off site. 5. Existing a.c. pavement shall be cut to a neat straight line parallel or perpendicular to the street centerline and the exposed edge shall be tacked with emulsion � Z 19. Survey control points which are critical to the construction of the project are located within the limits of work. The prior to paving. Contractor shall take precaution to protect the points in place. 6. All costs of retesting for previously failed tests shall be backcharged to the contractor by the owner. VICINITY MAP NAVD-88 DATUM /'1 20. All costs of retesting for previously failed tests shall be back charged to the Contractor by the Owner. All costs to the 7. All costs to the contractor incurred in correcting deficient work shall be to the contractors account. failure to correct such work will be cause for a stop work �/ � Z Contractor incurred in correcting deficient work shall be to the Contractors account. Failure to correct such work will be order and possible termination. PLAN SHEET INDEX 1 " = 600 W cause for a stop work order and possible termination. 8. All storm drainage appurtenances shall be inspected by bailey engineering. 21. The Contractor is to field verify all existing curb & gutter, storm drain, channel crossings, and sewer elevations or inverts 9• All water valves will be placed so as not to conflict with any concrete curb, gutter, valley gutter, and sidewalk improvements. J prior to construction. When discrepancies occur between plans and specifications, the Contractor shall immediately notify the 10. All water meters are to be located outside the drive and parking way. there must be at least a one (1) foot separation between back of sidewalk (or curb if Engineer. Untimely notification shall negate any Contractors claim for additional compensation. no sidewalk) and the leading edge of any fire hydrant. SHEET DESCRIPTION 11. Over excavation and additional granular backfill may be required in high groundwater areas which are to be determined by the field inspector. 1 .1 -COVER SHEET, VICINITY MAP & NOTES O 22. Each Contractor shall be responsible for acquiring any necessary NPDES Permits, filing any NOI s, and preparing a 12. All material placed as fill or backfill shall be placed and compacted in accordance with section 306 of the current edition of the ISPWC specifications. 2.1 -2.3 -FINAL PLAT Z W Pollution Prevention Plan (PPP) in accordance with the Environmental Protection Agency. Contact the EPA at 208-378-5746 13. Roadway construction will meet specific details and requirements of the following Idaho Standards for Public Works Construction standard drawings: (current for the required information. edition) 3.1 -EXISTING SITE & DEMO PLAN Q 23. The pipe Contractor shall replace all pavement and concrete removed for the installation of water, sewer, or irrigation 1. Street section, drawing no. SD-801, and sections as shown on roadway detail sheet. 3.2 -MASTER UTILITY PLAN it 2 pipe. All pavement shall be replaced within seven calendar days from the time the pavement and/or concrete is removed. 2. Asphalt repair for street cuts. ISPWC drawings SD-301, SD-303, SD-806 3.3-3.6 -MASTER UTILITY & SITE DIMENSION PLAN Concrete and pavement shall be replaced per ISPWC Standards. 3. 4.0' concrete valley gutter, drawing no. SD-708. ILL 24. The Contractor shall field verify all existing curb and gutter, storm drain, channel crossings and all storm drain and 4. Rolled curb and gutter, drawing no. SD-702. 3.7 -TRASH ENCLOSURE DETAILS r sewer elevations or inverts prior to construction and notify the engineer when elevations or inverts do not match plans. 5. Pedestrian ramp for handicapped, drawing no. SD-712C. 4.1 -OVERALL GRADING PLAN 6. Sidewalks, drawing no. SD-709. " 4.2-4.4 -DETAILED GRADING PLAN ROADWAY 8 VI 0 7. Standard drop inlet Type I w/ 12 sum drawing no. SD-601. 4.5 -M OSH OVA PLAN �c PROFILE Q . Standard drop inlet Type w/ 12" sump. drawing no. SD-605A. Z 1. All contractors working within the public road right-of-way are required to secure a right-of-way construction permit from 4.6 -STORM DRAINAGE PLAN J ACHD or ITD at least forty-eight (48) hours prior to any construction. 4.7-4.10 -STORM DRAINAGE PROFILES 1 2. ACHD or ITD will inspect all work within the public rights-of-way to include utility trenches above the pipe zone. Contact 4.11 -4.13 -GRADING & DRAINAGE DETAILS 0 Z W ACHD Inspection Services at 387-6284. PRESSURIZED IRRIGATION- 4.14 -FR AN K LI N R D PLAN & PROFILE Q 3. Meridian Public Works will inspect storm drainage improvements serving private roads and parking lot improvements outside the public right-of-way. 1. The pressurized irrigation system must be built to the standards of the irrigation district in which it is being constructed. 4.15 -PUBLIC ROADWAY DETAILS 4. All construction in the public right-of-way shall conform to the current edition of the ISPWC and the ACHD Supplemental 2. Install a reduced pressure backflow preventer in any connection between the potable water system and the pressure irrigation system. The device 5.1 -5.4 -SEWER AND WATER PLAN & PROFILE Specifications. No exception to District Policy, Standards, and the ISPWC will be allowed unless specifically and previously must be approved by the Idaho Department of Environmental Quality (DEQ) and the City of Meridian Water Department. approved in writing by the District. 3. Install all crossings of the Public Rights-of-Way, private roadways and trovelways with pressure irrigation at a maximum depth of two-and 5.5 -WATER METER AND SERVICE PLAN ^ V J 5. Set the tops of all valve boxes and sewer manholes flush with the slope of the finished street grades. The roadway one-half (2-1/2) feet and in an AWWA C-900 pipe sleeve with locator wire. The Public Works Department and ACHD shall inspect all crossings 5.6 -SEWER SERVICE PLAN contractor shall install and adjust all spacers, grade rings, manhole rings and lids. prior to backfilling. 6.1 -PRESSURE IRRIGATION PLAN I , I LL 6. Place all water valves, blow-offs and manholes so that they do not conflict with any concrete curb and gutter, valley 4. The horizontal separation of potable water mains and non-potable water mains (sanitary sewer, storm drain, and irrigation) shall be a minimum 6.2 -PRESSURE IRRIGATION DETAILS W gutter or sidewalk improvements. of ten (10) feet. Where it is necessary for a potable water main and non-potable water main to cross with less than eighteen (18) inches of Q 7. Existing A.C. pavement shall be cut to a neat straight line (2' minimum cutback) parallel or perpendicular to the street vertical separation, the crossing shall be constructed in accordance with Section 542.07 of the Idaho Rules for Public Drinking Water Systems 7.1 -7.3 -GRAVITY IRRIGATION PLAN & PROFILE W centerline and the exposed edge shall be tacked with emulsion prior to paving. Actual field conditions during trenching (IDAPA 58.01.08) and Section 430.02 of the Wastewater Rules (IDAPA 58.01.16). may require additional pavement repair beyond the limits shown on the plans. Refer to conditions listed in the ACHD Policy 5. The horizontal separation of non-potable services and potable water services or potable water mains shall be a minimum of six (6) feet. Where it ( 1 Manual. is necessary for a potable water main and non-potable water main to cross with less than eighteen (18) inches of vertical separation, the v 8. All water meters are to be located outside of the public right-of-way. All fire hydrants are to be located within the road crossing shall be constructed in accordance with Section 542.07 of the Idaho Rules for Public Drinking Water Systems (IDAPA 58.01.08) and C I TY 0 F MERIDIAN right-of-way. There must be at least a one (1) foot separation between the back of sidewalk (or curb if no sidewalk) Section 430.02 of the Wastewater Rules (IDAPA 58.01.16). Plans Are Accepted For Public 7 and the leading edge of any fire hydrant. 6. Install finder tape with all irrigation mains. Tape shall be two (2) inches wide, metallic red in color, with the words DANGER -UNSAFE WATER or Street Construction SUPPLEMENTAL L 9. Over excavation and additional granular backfill may be required in high groundwater areas which are to be determined by NON-POTABLE WATER clear) mare along Place the toe between six eighteen 0. the field inspector. Y marked lg its length.g P bt i 6( ) inches below the surface and eiht 18 g ( ) inches above By stamping and signing the improvement plans, the Registered SPECIFICATIONS the tap Of the pipe. Engineer ensures the District that the plans conform to all District 10.All materials placed as fill or backfill shall be placed and compacted in accordance with Section 306 of the ponies and standards. Variances or Waivers must be specifical- 7. Label all irrigation risers and faucets with durable tags carrying the warning DANGER-UNSAFE WATER or NON-POTABLE WATER. I and previously approved b the District in writing. Acceptance W current edition of ACHD Supplemental Specifications. y p y pp v g ■ 11.Roadway construction will meet specific details and requirements of the following Idaho Standards for Public Works Construction Standard 8. Label all valve boxes and vaults with durable tags carrying the warning DANGER-UNSAFE WATER or NON-POTABLE WATER, and locate them a of the improvement plans by the District does not relieve the 7 ■ ■■■ `� I Drawings (Current Edition): minimum of ten (10) feet outside of the Public Right-of-Way, private roadways and travelways. Registered Engineer of these responsibilities. ■ ■ ■ 1. Street Section, ACHD SD-801 and sections as shown on Street Details Sheet 9. Install a reduced pressure backflow preventer in any connection between the potable water system and the pressure irrigation system. The device BY DATE: I 1 I O 2. Asphalt repair for street cuts: SD-301, ACHD SD-303, ACHD SD-806. must be approved by the Idaho Department of Environmental Quality (DEQ) and the City of Meridian Water Department. ADA COUNTY HIGHWAY DISTRICT IFNI O 3. 4.0' Concrete Valley Gutter, ACHD SD-708 10.The Engineer or Record shall inspect all pressurized irrigation unless a properly executed agreement for inspection and maintenance is in effect 009 ■ 4. Rolled Curb and Gutter, ACHD SD-702 with the applicable Irrigation District. Forty-eight (48) hours advance notice is required. THE ENGINEER OF RECORD CERTIFIES THAT r U 5. Pedestrian Ramp for Handicapped, SD-712C, SD 712G 11.Pressure irrigation mains must be along rear lot lines. Where pressure irrigation mains traverse a side lot line in order to cross a street, the THE PLANS ARE PREPARED IN SUBSTANTIAL ■■ )IIIIII 6. Tactile warningsurface TWS colored a standard color of yellow as per ACHD SD-712 domestic water service and pressure irrigation mains must be on opposite sides of a lot. CONFORMANCE WITH THE ACHD POLICY ( ) Y P P 9 PP ENGINEER MANUAL AND STANDARDS IN EFFECT AT THE ■ DATE: 7. Sidewalks, ACHD Supplemental Drawing SD-709 12.Pressure test the irrigation system to one hundred-fifty (150) pounds per square inch (psi) with allowable loss in accordance with Section 3.1 (c) BAILEY ENGINEERING INC. TIME OF PREPARATION. THE ENGINEER F 8-25-2023 8. Not Utilized of the Standard Specifications. ' ACKNOWLEDGES THAT ACHD ASSUMES NO PROJECT: „ 1 1 19 E. STATE ST, SUITE 210 c2o22-006 9. Standard Drop Inlet Type IV w/ 12 Sump, ACHD Supplemental SD-604A 13.City of Meridian Municipal Water is the backup water source for this development - A reduced pressure backflow prevention assembly is provided EAGLE ID 83616 LIABILITY FOR ERROR OR DEFICIENCIES IN ■ 12. For subdivision sign installation; outside installers must be bonded with ACHD THE DESIGN. ALL VARIANCES FROM ACHD SHEET as across-connection. ■ and obtain a no-charge right-of-way permit. (208) 938-0013 POLICY SHALL BE APPROVED IN WRITING. 13. Prior to placement of any pavement markings contact ACHD Inspection for verification of compliance with policy and existing pavement (907) 723-0496 THE FOLLOWING VARIANCES, LISTED BY DATE AND SHORT DESCRIPTION, WERE APPROVED markings. KCRAIG@BAILEYENGINEERS.COM FOR THE PROJECT: NONE.