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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

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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:

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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:

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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.

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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