Roadway Design Project
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Transcript of Roadway Design Project
DATE SIGNED
SIGNATURE
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DESIGNERS:
DRAWING NO.
DATE:
DRAWN BY:
JOB #:
OF
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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 NOTES1. 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
DateCable/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.
ElectricDate
GasDate
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
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
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00 1 2
(IN FEET)
0.5
GRAPHIC SCALE
1 IN = 1 FT
Reference Notes:
100
SEPTIC TANK
101
102
LEACH FIELD
AC PAVEMENT
103CONCRETE FLATWORK
10424" x 24" CATCH BASIN
105
STORM DRAIN MANHOLE
100
106
6” PVC DRAIN PIPE
101
102102
103
104
105
106
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
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Scale: 1'' = 50'
Plan Sta 25+00 to 38+00
00 50 100
(IN FEET)
25
GRAPHIC SCALE
1 IN = 50 FT
00 50 100
(IN FEET)
25
GRAPHIC SCALE
1 IN = 50 FT
CROSS SECTION –STA. 25+00-38+00
Scale: 1'' = 10'
CROSS SECTION –STA. 25+00-38+00
12.00'
12.00'
0.50'
0.50'
12.00' 12.00'3.00' 3.00'
100
101
102
102
103
103
Reference Notes:
100
EXISTING GRADE PROFILE AT CENTERLINE
101
102
FINISHED GRADE PROFILE AT CENTERLINE
0.21' MINIMUM CLASS 'B' ASPHALTIC CONCRETE. ULTIMATE AC
SECTION TO BE DETERMINED BY R VALUES OF NATIVE MATERIALS
103
0.33' MINIMUM CLASS II AGGREGATE BASE. ULTIMATE AGGREGATE BASE
SECTION TO BE DETERMINED BY R VALUES OF NATIVE MATERIALS
Scale: 1'' = 50'
Profile Sta 25+00 to 38+00
Scale: 1'' = 10'
WITH CURB
WITHOUT CURB
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
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CJH
CJH
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3/8/12
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Scale: 1'' = 50'
Profile Sta 38+00 to 47+00
Scale: 1'' = 50'
Plan Sta 38+00 to 47+00
00 50 100
(IN FEET)
25
GRAPHIC SCALE
1 IN = 50 FT
00 50 100
(IN FEET)
25
GRAPHIC SCALE
1 IN = 50 FT
Driveway Centerline
Sta 37+13.30
Reference Notes:
100
EXISTING GRADE PROFILE AT CENTERLINE
101
FINISHED GRADE PROFILE AT CENTERLINE
102
PVC PIPE_16'' DIAMETER
103
CONCRETE CULVERT: TYPE II PORTLAND CEMENT ASTM C 150 AND
FEDERAL SPECIFICATION ON CEMENT, SS-C-1960/3
104
103
102
104
TYPE I/II LOW ALKALI REINFORCING BAR: ASTM A 615, GRADE 40
100
100
102
102
102
105
STORM DRAIN MANHOLE_24'' DIAMETER
105
105
105
105
105
105
105
105
106
106
LEACH FIELD
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
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CJH
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3/8/12
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SCALE: NTS
CATCH BASIN - 18" x 18" x 36"
A
SCALE: NTS
1000 GALLON SEPTIC TANK
B
SCALE: NTS
CATCH BASIN - 36" x 36" x 48"
C
SCALE: NTS
TYPE "A" ASPHALT DIKE
D
SCALE: NTS
STORM DRAIN MANHOLE
E
SCALE: NTS
LEACH FIELD
F