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1 PROJECT
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GENERAL CONSTRUCTION
1. ALL CONSTRUCTION WORK SHALL BE DONE IN ACCORDANCE WITH THE CURRENT VERSION OF THE IDAHO
STANDARDS FOR PUBLIC WORKS CONSTRUCTION (ISPWC), THE CITY OF MERIDIAN SUPPLEMENTAL
SPECIFICATIONS TO THE ISPWC (AND ANY ADDENDUMS), THE REQUIREMENTS OF THE ADA COUNTY
HIGHWAY DISTRICT (ACHD) AND/OR THE REQUIREMENTS OF THE IDAHO TRANSPORTATION DEPARTMENT
(ITD) WHERE APPLICABLE. IN CASE OF CONFLICT THE MORE STRINGENT OF THESE STANDARDS SHALL BE
THE CONTROLLING STANDARDS OR SPECIFICATIONS.
2. THE CONTRACTOR SHALL HAVE A COPY OF THE LATEST CITY OF MERIDIAN SUPPLEMENTAL
SPECIFICATIONS AND DRAWINGS ON SITE AT ALL TIMES DURING CONSTRUCTION (AVAILABLE ON THE CITY
WEBSITE). FAILURE TO HAVE A CURRENT COPY OF THE SUPPLEMENTAL SPECIFICATIONS ON SITE COULD
BE GROUNDS FOR A STOP WORK ORDER UNTIL THE SITUATION IS RESOLVED.
3. THE CONTRACTOR SHALL HAVE PLANS STAMPED "APPROVED FOR CONSTRUCTION" BY CITY OF MERIDIAN
PUBLIC WORKS DEPARTMENT ON SITE AT ALL TIMES.
4. ALL CONTRACTORS, SUBCONTRACTORS AND UTILITY CONTRACTORS SHALL ATTEND A PRE -CONSTRUCTION
CONFERENCE PRIOR TO START OF WORK.
5. CONTRACTORS SHALL NOTIFY THE APPROPRIATE AGENCY WHEN MATERIALS ARE ON SITE OR INSPECTION
OF THE WORK IS REQUIRED. ALL INSPECTIONS OF THE WORK OR MATERIALS REQUIRE A MINIMUM TWENTY
FOUR (24) HOUR NOTICE TO THE PROJECT INSPECTOR.
6. CONTRACTOR SHALL NOTIFY THE PUBLIC WORKS INSPECTOR 48 HOURS PRIOR TO THE REQUIRED TESTING.
THE CONTRACTOR MAY NOT OPEN OR CLOSE WATER VALVES.
Z ALL MATERIAL FURNISHED ON, OR FOR THE PROJECT MUST MEET THE MINIMUM REQUIREMENTS OF THE
APPROVING AGENCIES. AT THE 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.
8. WORK SUBJECT TO APPROVAL BY ANY GOVERNMENTAL AGENCY MUST BE APPROVED PRIOR TO (A)
BACKFILLING TRENCHES FOR PIPE; (8) PLACING OF AGGREGATE BASE, _(C) PLACING OF CONCRETE, (D)
PLACING OF ASPHALT PAVING.
9. INSPECTION, APPROVAL AND FINAL ACCEPTANCE OF ALL WATER, SEWER AND PRESSURIZED IRRIGATION
CONSTRUCTION SHALL BE BY THE PUBLIC WORKS DEPARTMENT, AND THEIR DECISION SHALL BE FINAL.
SUCH INSPECTIONS SHALL NOT RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF PERFORMING THE
WORK IN AN ACCEPTABLE MANNER IN ACCORDANCE WITH THE DEQ/QLPE APPROVED CONSTRUCTION
PLANS.
10. ANY DEVIATION FROM THE APPROVED PLANS AND SPECIFICATIONS MUST HAVE THE APPLICABLE AGENCY
APPROVAL IN WRITING PRIOR TO CONSTRUCTION.
11. PRIOR TO BEGINNING INSTALLATION OF STREET LIGHTS, THE ELECTRICAL CONTRACTOR SHALL OBTAIN AN
ELECTRICAL PERMIT FROM THE BUILDING DIVISION OF THE MERIDIAN PUBLIC WORKS DEPARTMENT. ANY
DEVIATION IN STREET LIGHT LOCATIONS FROM THE APPROVED PLANS MUST BE APPROVED IN WRITING
FROM THE CITY ENGINEER.
12. CONTRACTOR RESPONSIBLE TO CALL DIGLINE PRIOR TO BEGINNING WORK (208)342-1585 OR 811.
WA TER
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 AS THE STANDARDS AND SPECIFICATIONS
REFERRED TO IN GENERAL CONSTRUCTION NOTE NO. 1.
2. THE HORIZONTAL SEPARATION OF POTABLE WATER MAINS AND NON -POTABLE WATER MAINS (SANITARY
SEWER, STORM DRAIN, AND IRRIGATION) SHALL BE A 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) INCHES OF VERTICAL SEPARATION, THE CROSSING SHALL BE CONSTRUCTED IN
ACCORDANCE WITH SECTION 542.07 OF THE IDAHO RULES FOR PUBLIC DRINKING WATER SYSTEMS (IDAPA
58.01.08) AND SECTION 430.02 OF THE WASTEWATER RULES (IDAPA 58.01.16).
3. 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 IS NECESSARY FOR A POTABLE WATER
MAIN AND NON -POTABLE WATER MAIN TO CROSS WITH LESS THAN EIGHTEEN (18) INCHES OF VERTICAL
SEPARATION, THE CROSSING SHALL BE CONSTRUCTED IN ACCORDANCE WITH SECTION 542.07 OF THE
IDAHO RULES FOR PUBLIC DRINKING WATER SYSTEMS (IDAPA 58.01.08) AND SECTION 430.02 OF THE
WASTEWATER RULES (IDAPA 58.01.16).
4. PLACE WATER SERVICE LINES IN A (2) INCH DIAMETER PIPE SLEEVE WHEREVER THE SERVICE LINE
CROSSES A STORM WATER TREATMENT FACILITY (I.E., SEEPAGE BEDS, DRAINAGE SWALES).
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING CONTINUOUS WATER SERVICE TO ALL EXISTING
WATER USERS AFFECTED BY CONSTRUCTION. IF WATER SERVICE MUST BE INTERRUPTED, THE CONTRACTOR
SHALL COORDINATE WITH THE PUBLIC WORKS INSPECTOR.
PRESSURIZED I RRI GA TION
1. THE PRESSURIZED IRRIGATION SYSTEM MUST BE BUILT TO THE STANDARDS OF THE IRRIGATION DISTRICT
IN WHICH IT IS BEING CONSTRUCTED.
2. INSTALL A REDUCED PRESSURE BACKFLOW PREVENTER IN ANY CONNECTION BETWEEN THE POTABLE
WATER SYSTEM AND THE PRESSURE IRRIGATION SYSTEM. THE SYSTEM MUST BE APPROVED BY THE IDAHO
DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) AND THE CITY IF MERIDIAN WATER DEPARTMENT.
Incorporated herein y
This Document, and the Concepts, Ideas and Design Incor 905 S _ TQPAZ WAY PROFESS /OVAL S tl /LCa/NG p g P
are an instrument of professional services and are the Property of
Mason and Associates, Inc., therefore they are not to be used in whole Z
A PART OF THE E 112 NW 1A SECTION 21, T. 3 N., R. 1 E., B.M., or part for any other project without the express Written Authorization
LOT 12 BLOCK 2 SILVERSTONE CAMPUS SUBDIVISION of Mason and Associates, Inc. o
MERIDIAN, ADA COUNTY, IDAHO All construction shall conform to the 2017 edition of the Idaho v
Standards for Public Works Construction, the City of Meridian Z c�
2020 Supplemental Specifications, and the Applicable Irrigation District O Z
Standards.
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SEWER
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1.
CONSTRUCTION OF THE SEWER SYSTEM SHALL CONFORM TO THE STANDARDS IN THE WASTEWATER
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RULES (IDAPA 58.01.16) AS WELL AS THE STANDARDS AND SPECIFICATIONS REFERRED TO IN GENERAL
3.
THE HORIZONTAL SEPARATION OF CLASS A EFFLUENT DISTRIBUTION SERVICES AND POTABLE WATER
CONSTRUCTION NOTE NO. 1.
SERVICES OR POTABLE WATER MAINS SHALL BE A MINIMUM OF SIX (6) FEET. WHERE IT IS
NECESSARY FOR A CLASS A EFFLUENT DISTRIBUTION SERVICE AND A POTABLE WATER MAIN TO
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2.
THE HORIZONTAL SEPARATION OF POTABLE WATER MAINS AND NON -POTABLE WATER MAINS
CROSS A MINIMUM OF EIGHTEEN (18) INCHES OF VERTICAL SEPARATION SHALL BE MAINTAINED, AND
(SANITARY SEWER, STORM DRAIN, AND IRRIGATION) SHALL BE A MINIMUM OF TEN (10) FEET. WHERE
THE CROSSING SHALL BE CONSTRUCTED IN ACCORDANCE WITH SECTION 542.07 OF THE IDAHO
IT IS NECESSARY FOR A POTABLE WATER MAIN AND NON -POTABLE WATER MAIN TO CROSS WITH
RULES FOR PUBLIC DRINKING WATER SYSTEMS (IDAPA 58.01.08) AND SECTION 430.02 OF THE
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LESS THAN EIGHTEEN (18) INCHES OF VERTICAL SEPARATION, THE CROSSING SHALL BE CONSTRUCTED
WASTEWATER RULES (IDAPA 58.01.16).
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IN ACCORDANCE WITH SECTION 542.07 OF THE IDAHO RULES FOR PUBLIC DRINKING WATER SYSTEMS
(IDAPA 58.01.08) AND SECTION 430.02 OF THE WASTEWATER RULES (IDAPA 58.01.16).
4.
LABEL ALL IRRIGATION RISERS AND FAUCETS WITH DURABLE TAGS CARRYING THE WARNING CAUTION:
RECYCLED WATER - DO NOT DRINK, IN BOTH ENGLISH AND SPANISH.
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3.
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 IS NECESSARY FOR A
5.
AN APPROVED BACKFLOW PREVENTER IS REQUIRED IF RECYCLED WATER SYSTEM IS CONNECTED TO
POTABLE WATER MAIN AND NON -POTABLE WATER MAIN TO CROSS WITH LESS THAN EIGHTEEN (18)
THE POTABLE WATER SYSTEM. THE DEVICE MUST BE APPROVED BY THE IDAHO DEPARTMENT OF
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INCHES OF VERTICAL SEPARATION, THE CROSSING SHALL BE CONSTRUCTED IN ACCORDANCE WITH
ENVIRONMENTAL QUALITY (DEQ), THE CITY OF MERIDIAN WATER DEPARTMENT, AND LISTED IN THE
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SECTION 542.07 OF THE IDAHO RULES FOR PUBLIC DRINKING WATER SYSTEMS (IDAPA 58.01.08) AND
MOST CURRENT VERSION OF THE LIST OF APPROVED BACKFLOW PREVENTION ASSEMBLIES PUBLISHED
SECTION 430.02 OF THE WASTEWATER RULES (IDAPA 58.01.16).
BY THE FOUNDATION FOR CROSS -CONNECTION CONTROL AND HYDRAULIC RESEARCH, UNIVERSITY OF
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SOUTHERN CALIFORNIA (USC),
4.
PLACE SEWER SERVICE LINES IN A SIX (6) INCH DIAMETER WATER CLASS PIPE SLEEVE WHEREVER THE
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SERVICE LINE CROSSES A STORM WATER TREATMENT FACILITY (I.E., SEEPAGE BEDS, DRAINAGE
THE
PUBLIC WORKS DEPARTMENT SHALL INSPECT ALL RECYCLED WATER DISTRIBUTION MAINS AND OR
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SERVICES.
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(48) HOURS ADVANCE NOTICE IS REQUIRED.
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DRAINAGE
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1. FOR ANY FACILITIES WITHIN A PUBLIC RIGHT OF WAY, ACHD OR ITD SHALL BE RESPONSIBLE FOR
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INSPECTION. FOR ANY PRIVATE DRAINAGE FACILITY THE PROJECT ENGINEER OR ARCHITECT SHALL BE
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RESPONSIBLE FOR INSPECTION AND CERTIFICATION OF DRAINAGE FACILITIES; HOWEVER ANY. ROOF
DRAINAGE FACILITIES WILL BE INSPECTED BY THE MERIDIAN PLUMBING OFFICIAL UNDER THE
APPROPRIATE PERMIT.
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ROADWAY FLUSH W/ SIDEWALK
1. ALL CONTRACTORS WORKING WITHIN THE PUBLIC RIGHT OF WAY ARE REQUIRED TO SECURE A RIGHT OF
WAY CONSTRUCTION PERMIT FROM ACHD OR ITD AT LEAST TWENTY-FOUR (24) HOURS PRIOR TO
CONSTRUCTION.
2. ACHD OR ITD WILL INSPECT ALL WORK WITHIN THE PUBLIC RIGHT OF WAY TO INCLUDE UTILITY
TRENCHES ABOVE THE PIPE ZONE.
7.0' MIN �
4.0'
7.0' MIN
VERTICAL CURB
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12.1 MAX
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12s1 MAX
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SUPPLEMENTARY NOTES:
TOP WALK=FG PVT+6"
FG PAVEMENT AS SHOWN
1. CONTRACTOR(S) SHALL RETAIN AND PROTECT ALL EXISTING FEATURES BOTH ABOVE AND BELOW
TOP WALK FLUSH WITH
PAVEMENT
GROUND, UNLESS OTHERWISE NOTED ON THE PLANS OR AS DIRECTED BY THE ENGINEER.
2. MASON & ASSOCIATES, INC. WILL PROVIDE CONSTRUCTION STAKES AS REQUESTED BY OWNER.
ADA PE
3. EACH CONTRACTOR SHALL BE RESPONSIBLE FOR ACQUIRING ANY NECESSARY NPDES PERMITS, FILING
R=1/2" GRADI
ANY NOPS AND PREPARING A POLLUTION PREVENTION PLAN (PPP),IN ACCORDANCE WITH THE
(-- VARIES --I
ENVIRONMENTAL PROTECTION AGENCY. CONTACT THE EPA AT (208) 334-9489 FOR THE REQUIRED
2 - SEE PAVING SECTION
INFORMATION. SAID PERMIT SHALL BE PRESENTED TO THE OWNER/DEVELOPER AT LEAST 48 HOURS
_
REBARS
THIS SHEET
PRIOR TO THE BEGINNING OF THE CONSTRUCTION.
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4. CERTAIN CONTROL POINTS WILL BE SET BY THE ENGINEER, OR ITS REPRESENTATIVE, WHICH ARE
CRITICAL TO THE CONSTRUCTION STAKING OF THE PROJECT. THESE POINTS WILL BE DESIGNATED AT
THE TIME THEY ARE SET AND THE CONTRACTOR SO NOTIFIED. DESTRUCTION OF THESE POINTS BY
THE CONTRACTOR OR HIS SUBCONTRACTORS SHALL BE GROUNDS FOR CHARGING THE CONTRACTOR
FOR THE COST OF RE-ESTABLISHING SAID POINTS.
4" OF 3/4" MINUS
6"
CRUSHED AGGREGATE
5. ALL CONTRACTORS WORKING WITHIN THE PROJECT BOUNDARIES ARE RESPONSIBLE FOR COMPLIANCE
PER ISPWC SEcnoN sot
COMPACTED TO NOT
WITH ALL APPLICABLE SAFETY LAWS OF ANY JURISDICTIONAL BODY. THE CONTRACTOR SHALL BE
LESS THAN 959d MAXIMUM
RESPONSIBLE FOR ALL BARRICADES, SAFETY DEVICES AND CONTROL OF TRAFFIC WITHIN AND
DRY DENSITY, ASTM D698
AROUND THE CONSTRUCTION AREA.
THICKENED EDGE SIDEWALK
6. THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN APPROXIMATE WAY ONLY.
THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE
(ADJACENT TO BUILDING)
COMMENCING WORK. THE CONTRACTOR AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL
NTS
DAMAGES WHICH OCCUR BY HIS FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL
UNDERGROUND UTILITIES. CONTACT DIG -LINE AT 1-800-342-1585.
OBSERVATION WELL WITH CAST COVER
MARKED " MONITORING WELL" IN
ACCORDANCE WITH THE STATE OF IDAHO
CATALOG OF STORM WATER BEST
CLASS "A" MUNICIPAL WASTEWATER RECLAMATION AND REUSE
MANAGEMENT PRACTICES BMP.
FOR COMMERCIAL SUBDIVISIONS OR COMMERCIAL PROJECTS THAT HAVE
PUBLIC REUSE MAIN OR SERVICES.
1000 GALLON SAND & GREASE TRAP SEE
DETAILS THIS SHEET BOISE VAULT OR
EQUIVALENT APPROVED BY ENGINEER.
1. CONSTRUCTION OF THE CLASS A EFFLUENT DISTRIBUTION SYSTEM SHALL CONFORM TO THE
SEE PLAN FOR OUTLET PIPE ORIENTATION.
STANDARDS IN THE IDAHO RECYCLED WATER RULES (IDAPA 58.01.17), WASTEWATER RULES (IDAPA
SEE PLAN FOR LENGTH & WIDTH
58.01.16), RECOMMENDED STANDARDS FOR WASTEWATER FACILITIES - GREAT LAKES - UPPER
MISSISSIPPI RIVER BOARD OF SANITARY ENGINEERS (10 STATES STANDARDS), AWWA MANUAL M24 -
1.0' MIN
CHAPTER 24 AS WELL AS THE STANDARDS AND SPECIFICATIONS REFERRED TO IN GENERAL
79
CONSTRUCTION NOTE NO. 1.
12" SLOTTED PIPE W END CAP
2. THE HORIZONTAL SEPARATION OF CLASS A EFFLUENT DISTRIBUTION MAINS AND POTABLE WATER
_ .1MAX
MAINS SHALL BE A MINIMUM OF TEN (10) FEET 1N ACCORDANCE WITH IDAPA 58.01.08, 'IDAHO
. =•'•j 2" WASHED
RULES FOR PUBLIC DRINKING WATER SYSTEMS," SUBSECTION 542.07. WHERE IT IS NECESSARY FOR A
•:= DRAIN ROCK
CLASS A EFFLUENT DISTRIBUTION MAIN AND POTABLE WATER MAIN TO CROSS, A MINIMUM OF
PLAN FOR ORIENTATION
r °; AND ELEVATIONS
EIGHTEEN (18) INCHES OF VERTICAL SEPARATION SHALL BE MAINTAINED AND THE CLASS A
.
EFFLUENT DISTRIBUTION MAIN SHALL BE ENCASED IN A CONTINUOUS PIPE SLEEVE TO A DISTANCE
NOTE. EXCAVATE TO FREE DRAINING WRAP TOP AND SIDES OF TRENCH WITH
ON EACH SIDE OF THE CROSSING EQUAL TO TEN (10) FEET. CLASS A EFFLUENT DISTRIBUTION MAINS
MATERIAL IF GROUNDWATER IS MiRAFI 140-N, OR EQUIVALENT.
INSTALLED PARALLEL TO NON -POTABLE WATER MAINS (SANITARY SEWER, STORM DRAIN AND
ENCOUNTERED (AS REVEALED BY
IRRIGATION) SHALL BE INSTALLED AT LEAST FIVE (5) FEET HORIZONTALLY FROM THE NON -POTABLE
OVER-EXCAVAnON). NOTIFY DESIGN 3' ASTM C-33
MAIN IF THE NON -POTABLE MAIN IS LOCATED ABOVE THE CLASS A EFFLUENT MAIN AND THREE (3)
ENGINEER FOR SEEPAGE BED REDESIGNFILTER SAND
.
FEET HORIZONTALLY FROM THE NON -POTABLE MAIN IF THE NON- POTABLE MAIN IS LOCATED
TYPICAL SCHEMATIC
BELOW THE CLASS A EFFLUENT MAIN
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This_ Document, and the Concepts, Ideas and Design Incorporated herein
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Mason and Associates, Inc., therefore they are not to be used in whole
or part for any other project without the express Written Authorization
of Mason and Associates, Inc.
All construction shall conform to the 2017 edition of the Idaho
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