Notice of Proposed Development City of Johnston, Iowa

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1 Notice of Proposed Development City of Johnston, Iowa December, 0 PZ Case No. -; Hidden Valley Estates Preliminary Plat Mike Gentile and Matt Heuton have submitted a preliminary plat for the subdivision of a. Acres west of NW 00th Street and south of Little Beaver Creek. The plat includes lots for single family homes and street lot. This site is zoned R-(), Single-Family Residential, and is subject to a development agreement restricting the overall density of the site. Applicants: Mike Gentile 00 Forest Drive Johnston, IA, 0 Matt Heuton 00 NW 00 th Street Johnston, IA, 0 Meeting Schedule: Planning and Zoning Commission, Monday, December, 0 City Council Meeting, Monday, December, 0 Both meetings will be held in the Council Chambers of Johnston City Hall, Merle Hay Road and begin at :00 p.m. The public is welcome and invited to attend the above noted meetings and an opportunity will be provided for you to make comments on the proposed request. Staff Contact: Comments and questions about this application may be directed to: Clayton Ender Planner City of Johnston Merle Hay Road, Box 0 Johnston, IA 0 Phone: () - cender@cityofjohnston.com Attachments: Vicinity Map Hidden Valley Estates Preliminary Plat

2 PZ CASE - Hidden Valley Estates Preliminary Plat VICINITY MAP Subject Property ) SUBJECT PROPERTY NW 0TH LANE NW 00TH STREET - 0,00,00,00 inch = feet,00,00 Feet Created by City of Johnston Department of Community Development Merle Hay Road, P.O. Box 0, Johnston, IA, 0-00 ()- Fax:()-0 H:\Community Development\P&Z\0 PZ\PZ -; Hidden Valley Estates Preliminary Plat\GIS\aerial vicinity PZ -.mxd

3 PRELIMINARY PLAT.00' TEMPORARY TURN-A-ROUND EASEMENT GEORGE & JEAN HOFMANN 00 NW 0TH LN. +00 PT STA +..' CL CURVE DATA: DELTA= '" R=00.00' L=.' T=.'.'.'.'.0' NW CORNER OUTLOT V FOUND IR # 0.00' 0,0.'.'.00' TEMPORARY TURN-A-ROUND EASEMENT PC STA +..' '.0'.00' 0.0'.0',.0'.' 0' PUE TO BE ABANDONED BK T PG 0.00'.'.', 0.'.'.'.'.0'.0'.'.0'.00',0,,0,0, S00 00'0"E 0.00' PUE 0.00' PUE ' +00 FOUND IR # (TYP) BUILDING 0.00' S '"W LOT SW CORNER OUTLOT V. AC. FOUND IR # E L M E R O D O E S T A T E S P L A T ' B-B 0.00' STORM SEWER EASEMENT 0.00' SURFACE WATER KAITLYN & GERAD HEIDESCH 000 NW 00TH ST. STORM SEWER, SURFACE WATER FLOWAGE, AND SURFACE WATER STORAGE EASEMENT TEMPORARY WINGS, R=0' " THICK NON-REINFORCED PCC PAVEMENT PT STA +..' S '"W +00,.'.'.' S '0"E 0.0', PUBLIC STREET.' S0 '"W.00', ' BUILDING 0' PRIVATE OVERLAND FLOWAGE EASEMENT BK PG.0'.0' 0.00'.00' BUFFER EASEMENT BK PG, CL CURVE DATA: DELTA= 0'" R=00.00' L=.0' T=.' 0.0' 0, PC STA +0..0' A,0.00'.'.' +00 L=.' CH=.' N '"W ' B-B 0 NW 00TH ST. OUTLOT W 0. AC. E L M E R O D O E S T A T E S P L A T IOWA ONE CALL Knowhat s ' Cal beforeyoudig. below. +00.' FOUND IR # (TYP).00'.00'.00' 0.00' 0.00' SURFACE WATER.' A.',0,0 0,00,0.00'.00'.00' 0.00' 0' PUE BK T PG,,0,, ' PRIVATE OVERLAND FLOWAGE EASEMENT BK PG.' A.00'.00'.00' 0.00' ' STORM SEWER & SURFACE WATER 0.' S '"W +00 " THICK NON-REINFORCED PCC PAVEMENT LOT. AC. E L M E R O D O E S T A T E S P L A T BRIDGE TO BE REPLACED WITH DWELLING NE CORNER OUTLOT V FOUND IR # 0.00' SANITARY SEWER EASE. +00 SE CORNER OUTLOT V FOUND IR # OWNER: 0 NW 00TH STREET ' BUILDING 0.00' PUE ' B-B PREPARED FOR: MIKE GENTILE & MATT HEUTON 00 FOREST DRIVE JOHNSTON, IA ENGINEER/SURVEYOR: BISHOP ENGINEERING 0 0TH ST. URBANDALE, IA 0 PH: () -0.'.' 0.00'.' S00 00'0"E 00.00' ROW NW 00TH ST. CL CL STA ' B-B PCC BY HUBBELL IN 0 FUTURE ' B-B PCC ' WIDE PAVEMENT 00.00' ROW 0' TRAIL BY HUBBELL IN 0 PROPERTY DESCRIPTION: OUTLOT V IN ELMERODO ESTATES PLAT, AN OFFICIAL PLAT, CITY OF JOHNSTON, POLK COUNTY, IOWA. RECORDER BK PG SAID TRACT OF LAND CONTAINS. ACRES, MORE OR LESS. SAID TRACT OF LAND BEING SUBJECT TO AND TOGETHER WITH ANY AND ALL EASEMENTS OF RECORD. ZONING R- () SINGLE FAMILY RESIDENTIAL BULK REGULATIONS: DENSITY:. UNITS/ACRE MAXIMUM MINIMUM REA: 00. MINIMUM LOT WIDTH: FEET FRONT YARD SETBACK: FEET REAR YARD SETBACK: FEET. SIDE YARD SETBACK: FEET MINIMUM / FEET TOTAL. MAXIMUM HEIGHT: FEET. PROPOSED DENSITY A DEVELOPMENT AGREEMENT RESTRICTS THE DENSITY FOR THIS SUBDIVISION TOGETHER WITH LOT AND OUTLOT W IN ELMERODO ESTATES PLAT TO. UNITS PER ACRES. TOTAL AREA HELD BY THIS STIPULATION IS. ACRES. TOTAL NUMBER OF SINGLE FAMILY DEVELOPMENT LOTS IN THIS AREA IS FIFTEEN. THIS INCLUDES FOURTEEN PROPOSED AND ONE DWELLINGS. PROPOSED DENSITY = LOTS /. ACRES =. UNITS PER ACRE. BENCHMARKS: BURY BOLT ON FIRE HYDRANT ON EAST SIDE OF NW 00TH STREET AT 0 NW 00TH STREET ELEV.. FLOOD ZONE: THIS SITE IS LOCATED WITHIN FLOOD ZONES DESIGNATED AE, X, AND SHADED X BY THE FEDERAL EMERGENCY MANAGEMENT AGENCY ON FLOOD INSURANCE RATE MAP 0000D REVISED ON JULY, 000. SEE C. FOR LOCATION OF FEMA FLOOD ZONES. THE SITE VICINITY MAP SCALE: ' =,000' GENERAL NOTES:. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE JOHNSTON STANDARD SPECIFICATIONS FOR PUBLIC IMPROVEMENTS, 0 SUDAS STANDARD SPECIFICATIONS AND ANY AND ALL CITY/COUNTY SUPPLEMENTAL SPECIFICATIONS. THE CITY OF JOHNSTON SHALL BE NOTIFIED BY ALL CONTRACTORS HOURS PRIOR TO COMMENCING WORK AND PRIOR TO ANY WEEKEND OR HOLIDAY WORK.. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE LOCATION OF ALL UTILITIES. ANY DAMAGE TO SAID UTILITIES SHALL BE REPAIRED AT THE CONTRACTORS EXPENSE.. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE CURRENT O.S.H.A. CODES AND STANDARDS. NOTHING INDICATED ON THESE PLANS SHALL RELIEVE THE CONTRACTOR FROM COMPLYING WITH THE APPROPRIATE SAFETY REGULATIONS.. THE CONTRACTOR IS LIABLE FOR ALL DAMAGES TO PUBLIC OR PRIVATE PROPERTY CAUSED BY THEIR ACTION OR INACTION IN PROVIDING FOR STORM WATER FLOW DURING CONSTRUCTION. DO NOT RESTRICT FLOWS IN DRAINAGE CHANNELS, STORM SEWER, OR FACILITIES.. THE CONTRACTOR SHALL OBTAIN ANY AND ALL NECESSARY PERMITS PRIOR TO ANY CONSTRUCTION. CONTRACTOR SHALL WORK WITH OWNER OR OWNERS REPRESENTATIVE ON ALL REQUIRED STORM WATER DISCHARGE PERMITS FROM THE IOWA DEPARTMENT OF NATURAL RESOURCES AND THE CITY OF JOHNSTON... WILL BE DEDICATED TO THE CITY OF JOHNSTON AS PUBLIC STREET RIGHT-OF-WAY.. CITY OF JOHNSTON PROVIDES THE WATER SUPPLY AND SANITARY SEWER WASTE TREATMENT FOR THIS SITE. SHEET INDEX: C.0 COVER SHEET C. FEMA / TREE INVENTORY C.0 GRADING PLAN C.0 UTILITY PLAN H:\signature.jpg LOT OUTLOT W. LOTS A,, A,, A,, AND SHALL BE SUBJECT TO A STORM SEWER, SURFACE WATER FLOWAGE, AND SURFACE WATER STORAGE EASEMENT.. AREAS OF FEMA ZONE AE AND SHADED X WILL BE FILLED ABOVE THE BASE FLOOD AND REMOVED BY LOMA FROM THE FLOOD ZONE. CITY OF JOHNSTON AND IOWA DNR APPROVALS WILL BE OBTAINED IN ADVANCE OF FILL PLACEMENT. SEE C. FOR STANDARD ROW CROSS SECTION. -0- C.0 THROUGH C.0 0 0th Street Des Moines, Iowa 0- Phone: ()-0 Fax: ()-0 0 C.0 DIMENSION PLAN

4 .' BFE = FEMA FLOOD FRINGE ZONE SHADED X 0 WEST FENCE TREES SOUTH HILL TREES BFE = FEMA FLOODWAY FEMA FLOOD FRINGE ZONE AE A LP ' '.% MOE=.00 ' " SIDEWALK % NORTH CREEK AREA TREES A MOE=.00 MOE=.00.0' " INTEGRAL CURB.0% ' 0'ROW.0' B/B CL LONGITUDINAL JOINT LONGITUDINAL JOINT " NON-REIN. PAVEMENT BRIDGE TO BE REPLACED WITH A MOE=.00 EAST TREES ' ' '.0%.0' " SUBGRADE PREP % " SIDEWALK BFE = '.% PL ' NW 00TH ST. FUTURE ' B-B PCC ' B-B PCC BY HUBBELL IN 0 ' WIDE PAVEMENT 0' TRAIL BY HUBBELL IN 0 BENCHMARKS: BURY BOLT ON FIRE HYDRANT ON EAST SIDE OF NW 00TH STREET AT 0 NW 00TH STREET ELEV.. FLOOD ZONE: THIS SITE IS LOCATED WITHIN FLOOD ZONES DESIGNATED AE, X, AND SHADED X BY THE FEDERAL EMERGENCY MANAGEMENT AGENCY ON FLOOD INSURANCE RATE MAP 0000D REVISED ON JULY, 000. FLOOD ZONE NOTES:. AREAS DEFINED ON THE FEMA FIRM AS FLOODWAY AREAS IN ZONE AE ARE SUBJECT TO THE FLOODWAY OVERLAY DISTRICT.. AREAS DEFINED ON THE FEMA FIRM AS SPECIAL HAZARD AREAS INUNDATED BY 00-YEAR FLOOD ZONE AE AND OTHER FLOOD AREAS ZONE X ARE SUBJECT TO THE FLOODWAY FRINGE OVERLAY DISTRICT. FLOOD PLAIN DEVELOPMENT PERMIT REQUIRED: ALL WORK WITHIN AREAS ON FEMA FIRM DESIGNATED AS SPECIAL HAZARD AREAS INUNDATED BY 00-YEAR FLOOD ZONE AE AND OTHER FLOOD AREAS ZONE X WILL REQUIRE A STATE OF IOWA DEPARTMENT OF NATURAL RESOURCES FLOOD PLAIN DEVELOPMENT PERMIT. WORK SHALL NOT COMMENCE UNTIL THE PERMIT IS ISSUED. NPDES PERMIT REQUIRED: GROUND DISTURBING ACTIVITIES ON THIS SITE WILL REQUIRE A STATE OF IOWA DEPARTMENT OF NATURAL RESOURCES NPDES PERMIT AND CITY OF JOHNSTON GRADING PERMIT. WORK SHALL NOT COMMENCE UNTIL THE PERMITS ARE ISSUED. TREE INVENTORY: NORTH CREEK AREA -- REMOVE ONLY AS NECESSARY FOR GRADING AND CREEK BANK STABILIZATION WHITE ASH " WHITE ASH " 0 WHITE ASH " 0 SILVER MAPLE " SILVER MAPLE " SILVER MAPLE " 0 MULBERRY " MULBERRY 0" MULBERRY " WALNUT " 0 HACKBERRY " 0 JUNIPER " TOTALS WEST FENCE AREA -- REMOVE ALL EXCEPT TWO WHITE PINE WHITE ASH " WHITE ASH " WHITE ASH " MULBERRY " MULBERRY 0" CLUMP BIRCH " WILLOW " WHITE PINE " 0 TOTALS 0 EAST AREA -- REMOVE ALL WHITE ASH " WHITE ASH " SILVER MAPLE " MULBERRY 0" MULBERRY " TOTALS SOUTH HILL AREA -- REMOVE ONLY AS NECESSARY FOR GRADING WHITE ASH " WHITE ASH " WHITE ASH " WHITE ASH " 0 WHITE ASH 0" 0 SILVER MAPLE " SILVER MAPLE " SILVER MAPLE " SILVER MAPLE 0" 0 MULBERRY " MULBERRY 0" MULBERRY " MULBERRY " HACKBERRY " SHAGBARK HICKORY" JUNIPER " TOTALS 0 0th Street Des Moines, Iowa 0- Phone: ()-0 Fax: ()-0 FEMA / TREE INVENTORY PAVEMENT CROSS SECTION - ' B/B STREET NOT TO SCALE IOWA ONE CALL Knowhat s ' Cal beforeyoudig. below. 0 C.

5 ,0 GE & JEAN HOFMANN.' BFE = KAITLYN & GERAD HEIDESCH 000 NW 00TH ST. BASIN A 00 YR HWL=. 00 YR OVERFLOW ELEV.. BFE = TOP OF BERM =.0 A. 00 YR OVERFLOW ELEV.. BASIN B 00 YR HWL=. PLACE 0 TON RIP RAP FOR BANK STABILIZATION A TOP OF BERM =.0 BRIDGE TO BE REPLACED WITH A TOP OF BERM =.0 ' BUILDING BFE = PLACE 0 TON RIP RAP AT FES OUTLET NW 00TH STREET ' B-B PCC BY HUBBELL IN 0 FUTURE ' B-B PCC 0' TRAIL BY HUBBELL IN 0 0 0th Street Des Moines, Iowa 0- Phone: ()-0 Fax: ()-0.'.'.0 ' BUILDING ' BUILDING YR OVERFLOW ELEV..0 CONTOUR (TYP) PROPOSED CONTOUR (TYP).. 0 NW 00TH ST. PROPERTY DESCRIPTION: OUTLOT V IN ELMERODO ESTATES PLAT, AN OFFICIAL PLAT, CITY OF JOHNSTON, POLK COUNTY, IOWA. SAID TRACT OF LAND CONTAINS. ACRES, MORE OR LESS. ADDRESS: 0 NW 00TH STREET OWNER: OUTLOT 0 WNW 00TH STREET 0. AC. E L M E R O D O E S PREPARED T A T E S FOR: P L A T MIKE GENTILE & MATT HEUTON 00 FOREST DRIVE JOHNSTON, IA GENERAL NOTES:. " THICK NON-REINFORCED PCC PAVEMENT. LOT. AC. E L M E R O D O E S T A T E S P L A T DWELLING ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE JOHNSTON STANDARD SPECIFICATIONS FOR PUBLIC IMPROVEMENTS, 0 SUDAS STANDARD 00 YR OVERFLOW ELEV..0 SPECIFICATIONS AND ANY AND ALL CITY/COUNTY SUPPLEMENTAL SPECIFICATIONS. THE CITY OF JOHNSTON MUST BE NOTIFIED BY ALL CONTRACTORS HOURS PRIOR TO COMMENCING WORK AND PRIOR TO ANY WEEKEND OR HOLIDAY WORK.. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE LOCATION OF ALL UTILITIES. ANY DAMAGE TO SAID UTILITIES SHALL BE REPAIRED AT THE CONTRACTORS EXPENSE.. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE CURRENT O.S.H.A. CODES AND STANDARDS. NOTHING INDICATED ON THESE PLANS SHALL RELIEVE THE CONTRACTOR FROM COMPLYING WITH THE APPROPRIATE SAFETY REGULATIONS.. THE CONTRACTOR IS LIABLE FOR ALL DAMAGES TO PUBLIC OR PRIVATE PROPERTY CAUSED BY THEIR ACTION OR INACTION IN PROVIDING FOR STORM WATER FLOW DURING CONSTRUCTION. DO NOT RESTRICT FLOWS IN DRAINAGE CHANNELS, STORM SEWER, OR FACILITIES.. LABORATORY TESTS SHALL BE PERFORMED BY THE OWNER UNLESS OTHERWISE NOTED. THE CONTRACTOR SHALL PROVIDE SAMPLES OF MATERIAL REQUIRED FOR LABORATORY TESTS AND TESTING IN ACCORDANCE WITH THE URBAN STANDARD SPECIFICATIONS FOR PUBLIC IMPROVEMENTS.. SOIL IMPORT OR EXPORT ON THIS PROJECT SHALL BE CONSIDERED INCIDENTAL AND WILL NOT BE MEASURED OR PAID FOR SEPARATELY.. THE CONTRACTOR SHALL PROTECT ALL STRUCTURES NOT SHOWN AS REMOVALS ON THE PLANS.. THE CONTRACTOR SHALL OBTAIN ANY AND ALL NECESSARY PERMITS PRIOR TO ANY CONSTRUCTION. CONTRACTOR SHALL WORK WITH OWNER OR OWNERS REPRESENTATIVE ON ALL REQUIRED STORM WATER DISCHARGE PERMITS FROM THE IOWA DEPARTMENT OF NATURAL RESOURCES AND THE CITY OF JOHNSTONE.. GRADING AND EROSION CONTROL SHALL BE DONE IN ACCORDANCE WITH THE APPROVED GRADING PLAN, SWPPP, NPDES DOCUMENTS, COSESCO PERMIT AND IOWA DEPARTMENT OF NATURAL RESOURCES REQUIREMENTS. 0. THE CONTRACTOR SHALL PICK UP ANY DEBRIS SPILLED ONTO THE ADJACENT RIGHT OF WAY OR ABUTTING PROPERTIES AS THE RESULT OF CONSTRUCTION, AT THE END OF EACH WORK DAY AND PRIOR TO A RAIN EVENT.. THE CONTRACTOR IS RESPONSIBLE FOR THE PROMPT REMOVAL OF ALL MUD THAT HAS BEEN TRACKED OR WASHED UNTO ADJACENT PROPERTY OR RIGHT OF WAY UNTIL SUCH TIME THAT PERMANENT VEGETATION HAS BEEN ESTABLISHED.. DISPOSE OF ALL EXCESS MATERIALS AND TRASH IN ACCORDANCE WITH FEDERAL, STATE, AND LOCAL REQUIREMENTS. PROVIDE WASTE AREAS OR DISPOSAL SITES FOR EXCESS MATERIALS NOT DESIRABLE FOR INCORPORATION INTO THE PROJECT. ENGINEER/SURVEYOR: BISHOP ENGINEERING 0 0TH ST. URBANDALE, IA 0 PH: () -0 ZONING R- () SINGLE FAMILY RESIDENTIAL DISTURBED AREA = ACRES BENCHMARKS: BURY BOLT ON FIRE HYDRANT ON EAST SIDE OF NW 00TH STREET AT 0 NW 00TH STREET ELEV.. IOWA ONE CALL Knowhat s ' Cal beforeyoudig. below ' WIDE PAVEMENT UTILITY NOTE: THE LOCATION OF THE UTILITIES INDICATED ON THE PLANS HAVE BEEN TAKEN FROM THE FIELD SURVEY, PUBLIC RECORDS, AND PLANS PROVIDED BY OTHERS. SURFACE UTILITY LOCATIONS HAVE BEEN FIELD LOCATED BY BISHOP ENGINEERING, UNLESS OTHERWISE NOTED. ALL UNDERGROUND UTILITY LOCATIONS ARE APPROXIMATE LOCATIONS ONLY. BISHOP ENGINEERING DOES NOT GUARANTEE THE UNDERGROUND LOCATION OF ANY UTILITIES SHOWN. IT SHALL BE THE DUTY OF THE CONTRACTOR TO DETERMINE THE LOCATION AND DEPTH OF ANY UNDERGROUND UTILITIES SHOWN AND IF ANY ADDITIONAL UTILITIES, OTHER THAN THOSE SHOWN ON THE PLANS, MAY BE PRESENT. A REQUEST WAS MADE TO IOWA ONE CALL FOR UTILITY PROVIDERS TO VERIFY, LOCATE, AND MARK THEIR UTILITIES IN THE FIELD. 0 C.0 GRADING PLAN

6 FIRE HYDRANT " TEMPORARY PLUG " GATE VALVE '-" SANITARY 0.0% TEMPORARY PLUG END OF PIPE END OF PIPE =.0 MANHOLE RIM=.0 FL(E)=. FL(W)=.0 0 " SW-0 RIM=.0 FL=. STORM SEWER, SURFACE WATER FLOWAGE, AND SURFACE WATER STORAGE EASEMENT PROPOSED " DIA. WATERMAIN '-" SANITARY 0.0% BASIN A 00 YR HWL=. SW- TOP=. FL(INLET)=.0 FL=0.0 " WATER SERVICE INCLUDING TAP, CORPORATION, CURB STOP, AND STOP BOX ' " STORM " SANITARY SEWER " SUMP BUFFER EASEMENT BK PG FIRE HYDRANT A SW- TOP=. FL(INLET)=.00 FL(E)=. FL(E)=. 0.00' SURFACE WATER A ' " ST. BASIN B 00 YR HWL=. 00' HYDRANT RADIUS (TYP) PLACE 0 TON CLASS E REVETMENT ON CREEK BANK FES OUTLET FL= ' STORM SEWER & SURFACE WATER " SANITARY SEWER " SUMP " WATER SERVICE INCLUDING TAP, CORPORATION, CURB STOP, AND STOP BOX BRIDGE TO BE REPLACED WITH ' " STORM ' " STORM A SW- TOP=. FL(INLET)=.00 FL(N)=.0 FL(S&W)= ' SANITARY SEWER EASE. MANHOLE RIM=.0 FL(E)=.00 FL(S)=..' CONTROL STRUCTURE SEE DETAIL ' " STORM 0'-" SANITARY 0.0% 0'-" SAN 0.0% " WATER MAIN NW 00TH ST. ' B-B PCC BY HUBBELL IN 0 FUTURE ' B-B PCC 0' TRAIL BY HUBBELL IN 0 PLACE 0 TON CLASS E REVETMENT AT OUTLET FES OUTLET FL=.0 00' " STORM MAKE CONNECTION TO MANHOLE AT ELEV.. " SANITARY SEWER 0 0th Street Des Moines, Iowa 0- Phone: ()-0 Fax: ()-0.' 0' PUE TO BE ABANDONED BK T PG ' " FOOTING DRAIN 0.00' STORM SEWER EASEMENT SW- TOP=. FL(INLET)=.00 FL(E)=.0 FL(W)=.0 MANHOLE RIM=. FL(E)=.0 FL(W)=. 0.00' SURFACE WATER RIM = 0.0 WEIR PLATE ELEVATION -.00 ' " STORM 0'-" SANITARY 0.0% ' " STORM ' " STORM 0' PRIVATE OVERLAND FLOWAGE EASEMENT BK PG " GATE VALVE " SW-0 RIM= FL(N)=. FL(W)=. SW-0 TC= FL=.0 SW-0 TC= FL(E)=. FL(S)=.00 FL(N)=.00 MANHOLE RIM=. FL(E)=. FL(W)=.0 0' " STORM PROPOSED " DIA. WATERMAIN ' " STORM 0' PUE BK T PG ' PRIVATE OVERLAND FLOWAGE EASEMENT BK PG GENERAL NOTES: SW-0 TC= FL(N)=. FL(S)=. '-" SANITARY 0.0% SW-0 TC= FL(N)=. FL(W)=. FIRE HYDRANT MANHOLE RIM=. FL(N)=. FL(W)=.0. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE JOHNSTON STANDARD SPECIFICATIONS FOR PUBLIC IMPROVEMENTS, 0 SUDAS STANDARD SPECIFICATIONS AND ANY AND ALL CITY/COUNTY SUPPLEMENTAL SPECIFICATIONS. THE CITY OF JOHNSTON MUST BE NOTIFIED BY ALL CONTRACTORS HOURS PRIOR TO COMMENCING WORK AND PRIOR TO ANY WEEKEND OR HOLIDAY WORK.. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE LOCATION OF ALL UTILITIES. ANY DAMAGE TO SAID UTILITIES SHALL BE REPAIRED AT THE CONTRACTORS EXPENSE.. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE CURRENT O.S.H.A. CODES AND STANDARDS. NOTHING INDICATED ON THESE PLANS SHALL RELIEVE THE CONTRACTOR FROM COMPLYING WITH THE APPROPRIATE SAFETY REGULATIONS.. ALL NECESSARY CONSTRUCTION SIGNS, BARRICADES AND OTHER TRAFFIC CONTROL DEVICES REQUIRED DURING CONSTRUCTION WILL BE FURNISHED BY THE CONTRACTOR. SIGNS, BARRICADES AND OTHER TRAFFIC CONTROL DEVICES MUST BE IN CONFORMANCE WITH THE "MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES FOR STREETS AND HIGHWAYS.". BISHOP ENGINEERING SHALL NOT BE LIABLE FOR ANY INJURIES THAT HAPPEN ON SITE. THIS SHALL INCLUDE BUT NOT BE LIMITED TO TRENCH COLLAPSES FROM VARYING SOIL CONDITIONS OR INJURIES CAUSED BY UNDERGROUND UTILITIES INCLUDING UTILITIES THAT ARE NOT SHOWN ON PLAN. SW-0 " BY " RIM=.0 FL(N)=.0 FL(S)=.0 FIRE HYDRANT REMOVE ' WIDE PAVEMENT ' " STORM FES OUTLET FL=.00 MAKE CONNECTION TO " WATER MAIN WITH " TAPPING SLEEVE AND VALVE UTILITY PLAN WEIR LENGTH WIDTH OF MANHOLE " RCP OUTLET ELEV. =.0 0.' SUMP DEPTH.0" DIAMETER HOLE BOTTOM ELEV=. " RCP INLET ELEV. =.0-0." DIA. HOLE ELEV. =.00 OWNER SHALL CLEAN OUT ORIFICE AS NECESSARY. /" THICK STEEL ORIFICE PLATE GROUTED TO PIPE. POSITION HOLE TO FIT BOTTOM OF PIPE. C. ORIFICE PLATE NOT TO SCALE HOLE FOR BASIN B " DIAMETER UTILITY NOTES:. THE CONTRACTOR SHALL COORDINATE THE ADJUSTMENT OF ANY AND ALL AND PROPOSED UTILITIES TO PROPOSED GRADES. UTILITIES SHALL BE RAISED OR LOWERED IN ACCORDANCE WITH THE UTILITY OWNER REQUIREMENTS. ANY NECESSARY ADJUSTMENTS SHALL BE CONSIDERED INCIDENTAL TO CONSTRUCTION.. ACTIVE FIELD TILES ENCOUNTERED DURING CONSTRUCTION SHALL BE REPAIRED, REROUTED, OR CONNECTED TO PUBLIC OR PRIVATE STORM SEWER TO REMAIN IN SERVICE AND LOCATIONS SHOULD BE NOTED ON AS-BUILT DRAWINGS.. ALL PROPOSED RCP STORM SEWER PIPE JOINTS SHALL BE FABRIC WRAPPED AND THE LAST PIPE SECTIONS ON THE APRON SHALL BE TIED WITH RF- TYPE II CONNECTORS. ALL APRONS SHALL HAVE A STANDARD FOOTING AND TRASH GUARD. ALL FLARED END SECTIONS SHALL HAVE A FOOT WIDE CLAY WATER STOP OUTLET STRUCTURE SW-0 MODIFIED NOT TO SCALE FOR BASIN A C.0

Notice of Proposed Development City of Johnston, Iowa

Notice of Proposed Development City of Johnston, Iowa March, 0 PZ Case No. -; Hidden Valley Estates Preliminary Plat Mike Gentile and Matt Heuton have submitted a preliminary plat for the subdivision of