HomeMy WebLinkAboutMINUTES - 12122006 - C.80 i
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-oBOARD OF SUPERVISORS " �=
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APPROVE BID DOCUMENTS AND AUTHORIZE December 12, 2006
ADVERTISEMENT FOR BIDS FOR THE CHILDREN'S
READING GARDEN PROJECT AT 4191 APPIAN WAY,
EL SOBRANTE FOR THE PUBLIC WORKS
DEPARTMENT (WW0469) CP#06-53
Bid documents and specifications have been prepared by Gates & Associates for the Public Works
Department and filed with the Clerk of the Board by the General Services Department. The
construction cost estimate is S121.000. The general prevailing wage rates have been obtained and
these shall be the minimum rates paid on this project.
Upon the Board's authorization. the Clerk of the Board will publish a Notice to Contractors in
accordance with Section 22037 of the Public Contract Code. inviting bids for the work. The Director i
of General Services, or designee. will mail notices to the construction trade journals specified in
Section 22036 of the Public Contract Code at least 30 days before the bid opening date.
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-IVRM No III NMI N upwi
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SECTIO\ 01030
ABNORMAL WEATHER CONDITIO\S
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PART 1
1.01 DESCRIPTIO\
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A. A rain. windstorm. high nater or o-her natural phenomenon which might reasonable have been
anticipated from historical records of the general lozality shall net be construed as abnormal. It
is hereby agreed that all disruptie: .•eath- event_ a-ith an average interval of ten (10) rears or
more between their occurrence and the occurrence of a similar event of equal or greater
magnitude cannot be reasonably anticipated. For the purposes of this contract. weather
information and historical data for an area in question shall be assumed to be the same as that
measured at the nearest or most applicable record station of the Environmental Data Service of
the National Oceanic and Atmospheric administration (\OAA) of the U.S. Department of
Commerce. (This project shall use the 1_0 year average by NOAA recorded at station
041967`99999 Concord Wastewater Plant California.) i
B. Information on measuring stations of the National Oceanic and Atmospheric Administration
(\OAA)can be found in the "Climatological Data" published be_ \OAA. This publication may
be found in public libraries or contact:
U.S. Department of Commerce
National Climatic Center
Federal Building
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Ashville.NC 28801
PART 2
2.01 DELAYS DUE TO ABNORN—LAL WEAT14ER
A. Weather days will be recorded by the Contractor and forwarded to the Project-Manger within
five (5) days of occurrence. Each record shall indicate the critical path activity(s) affected. It
will be the contractors duty to perform on unaffected activities whenever possible during
weather dav_s.
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B. Weather day delays are calculated b-v subtracting the 10-year average disruptive weather, as i
described above,from the actual encountered"report days.
C. There shall be no increase in the contract sum. time. nor remuneration of any kind by Owner to
Contractor for extensions due to adverse weather conditions which fall within the parameters of
the 10_gear average.
D. Time extensions may be granted for.-:gather impacts occurring beyond the parameters set forth
in this section on critical path act %i ies only. The Contractor is to provide schedule data to the
Project manager illustrating the critical path impact. There shall be no increase in the contract
sum due to time extensions granted for weather deiays.
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END OF SECTION 010=0
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El Sobrante Library Children's Reading Garden 01030-1 Abnormal Weather Conditions
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SECTIO\01100
MOBILIZATION I.
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1.01 GENERAL:
The General Conditions of the Contract. including General and Special Provisions and General
Requirements apple to the work in this section.
1.02 COOPERATION:
A. Attention is directed to Sections - 1.14, "Cooperation". of the State Standard
Specifications and these special provisions. The General Contractor shall cooperate and
coordinate as it may be required with contractors set forth in Section ;- 1.14 of the
State Standard Specification.
1.03 TEMPORARY FENCING:
Temporary fence shall be installed around the area(s) of Active Work;the adjacent library,
parking area(s) and friends building shall remain open for public use as directed by the County
Representative. Prior to commencing the project.the Contractor shall meet with the County I
Representative and review the proposed area schedule for temporary fencing.
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Provide minimum 4' high plastic fencing with steel posts at 6' o.c. max securely embedded and I
plumb. Install gates and tension wires as necessary. The fence shall be installed and maintained
with well-secured,taut plastic mesh fabric. orange color. i
Contractor shall install,•maintain the temporary fence around the areas of Active Work until the
County Representative authorizes removal of the fence at which time the Contractor shall remove
the temporary fence and repair holes and any other damage to existing conditions resulting from
installation removal of the fence. Removed facilities shall become the property of the Contractor
and shall be removed from the site of the work. �
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END OF SECTIO\01100
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El Sobrante Library Children's Reading Garden 01100-I Mobilization i
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SECTION 01200
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PROJECT IVIEETL\GS
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PART 1 -GENERAL
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1.01 SECTIO\L1CLtiDES i
A. Criteria for Project meetings to be held both before and during construction.
1.02 PRECONSTRUCTION CONFERENCE
A. A Preconstruction Conference to discuss Project Work will be held at a time and location �
designated by the Project Manager.
B. Attendance: Owner, Project Manager, Architect Engineer. Contractors, Inspector, and
representatives of Contractors major subcontractors. The purpose of this conference is to
discuss the Project in general, including scheduling of Work, and to answer questions that may �
arise. Unless followQ up in writing. verbal authorizations or instructions by anyone present
shall not be binding.
1.03 PROGRESS NIEETLNGS
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A. At a time designated by Project Manager. Weekly Progress `leetings will be held at location to i
be determined.
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B. Attendance: Project Manager, ArchitectEngineer, Contractors, Inspector, major
subcontractors. Project Manager. Landscape Architect, and Suppliers as deemed necessary by
the Project Manager.
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C. Contractor will be responsible for notifying subcontractors and suppliers of their required i
attendance. The purpose of these meetings is to discuss schedule, progress, coordination.
submittals,and job related problems.
D. Verbal authorizations or acknowledgments by anyone present will not be binding unless
followed up in writing by authorized representatives of the Owner or Contractor. I
E. The Project Manager will conduct the meetings,prepare and distribute meeting notes.
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END OF SECTION 01200
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El Sobrame Libras Children's Reading Garden 011-00-1 Project Meetings i
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SECTIO\ 01308 i
SUB-NiITTALS
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PART 1 - GENERAL I
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1.01 SLAUNLARY
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A. General:
1. Section Addresses:
a. Mechanics and administration of the submittal process for shop i
drawings, operation and maintenance manuals.and
miscellaneous submittal items.
B. Related Sections include but are not necessarily limited to: I
1. Special Provisions. Proposal, and Contract. i
2. Division 1 —General Requirements.
3. Sections in Division 2 through I6 identifying required submittals.
1.02 DEFLr'ITIONS i
A. Shop Drawings: I
1. See General Conditions
Product data and samples are Shop Drawing information.
B. Miscellaneous Submittals:
1. Submittals other than Shop Drawings:
2. Representative apes of miscellaneous submittal items include but are not I
limited to:
a. Construction schedule.
b. Concrete, soil compaction,and pressure test reports.
C. Installed equipment and systems performance test reports. i
d. Manufacturers installation certification letters.
e. Instrumentation and control commissioning reports. i
f. Warranties.
Q1. Service agreements. i
h. Construction photographs.
1.03 TRANSNUTT_ALS
A. Shop Drawings and Operation and Maintenance Manuals:
1. Transmit all submittals to:
2. Utilize two copies of attached Exhibit`:A"to transmit all shop drawings. I
product,data and samples. i
3. Utilize two copies of attached Exhibit`B"to transmit all Operation and
:Maintenance Manuals.
4. all transmittals must be from Contractor and bear his approval stamp.
Transmittals will not be received from or returned to subcontractors.
a. Shop drawing transmittal stamp shall read(Contractors Name)
has satisfied Contractor's obligations under the Contract i
Documents with respect to Contractor's review and approval.
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El Sobrante Library Children's Reading Garden 0'_=08-1 Submittals i
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Transmittals will not be received from or returned to I
subcontractors.
b. Operation and Maintenance Manual transmittal stamp may be
Contractors standard approval stamp.
Provide submittal information defining specific equipment or materials �
utilized on the project. Generalized product information not clearly I
defining specific equipment or materials to be provided will be rejected.
6. Calculations required in individual specification sections will be received i
for information purposes onh and dill be returned stamped"E.
Engineer's Review Not Required"to acknowledge receipt.
i. Calculations required in individual specification sections are required as
For-Information Onlx-For-Future-Lse submittals. Calculations and other
submittals identified as For-Information-Onhv-For Future-Use submittals i
shall be transmitted directiv to the Engineer at:
8. Submittal schedule: y
a. Schedule of shop drawings and submittals: i
I.) Submitted and approved within 20 days of receipt of
Notice to Proceed.
Submittal review comments will be provided within i
10 days of receipt of complete submittal.
b. Shop drawings:
1.) Submittal and approval prior to SO percent i
completion.
C. Operation and Maintenance Manuals and Equipment Record
Sheets:
1.) Initial submittal within 60 days after date shop
drawings are approved.
B. Miscellaneous Submittals:
1. Transmit under Contractor's standard letter of transmittal or letterhead.
2. Submit in triplicate or as specified in individual specification section.
3. Transmit to:
4. Provide copy of letter of transmittal to Owner's Resident Project �
Representative.
a. Exception for concrete, soils compaction and pressure test i
reports.
1.) Transmit one cope to Resident Project Engineer.
1) Transmit one cope to location and individual
indicated above for other miscellaneous submittals.
1.04 PREP_UUTION OF SUBi\IITTALS
A. Shop Drawings:
1. Number transmittals consecutiveh•beginning with 1. �
2. Number transmittals of resubmitted items with the original root number
and a suffix letter starting tt ith "A"on a new transmittal form.
3. Restrict each letter of transmitral to only one Specification Section or
portion thereof.
4. Provide breakout of each transmittal convents on transmittal form. Each
component thus defined teiil receive specific action by the Engineer.
EI Sobrante Libraryr •Children's Readin_a Garden 013-08-2 Submittals i
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Define manufacturer, item. Comract Do-cumene tae number. and
Constrict Drawings-Specification ref rence.
6. Do not change the scope of any resubmittal from the original transmittal
scope. If some components of the original or previous resubmittal
transmittal received`'A"or"B" action and others did not, list the"A"or
"B"action components in subsequent resubmittal packages and indicate
"A" or`B" action code prev:oush:received on the transmittal form.
With prior approval of the Engineer, -components of an original submittal j
or prior resubmittal that hao�e not received an "A" or`B"action mai•be i
withheld from a resubmits . Such components shall be listed on the
resubmittal transmittal form and indicated as "Outstanding—To Be
Resubmitted at a Late Date." i
6. For 8 x 11 size sheets,pro:ide four copies of each page for Engineer
plus the number required bx ,he Contractor. The number of copies
required by the Contractor lx il! e defined at the Preconstruction
Conference, but shall not exceed [,1 0i.
11. For items not covered in paragraph 1.04-A.6 submit one reproducible I
transparency and one print of each drawing until approval is obtained.
Utilize mailing tube; do not fold. The Engineer will mark and return the
reproducible to the Contractor for his reproduction and distribution.
8. Provide clear space(33"square) for Engineer stamping of each component
defined in 1.01-A.4.
9. Contractor shall not use red color for marks on transmittals. Duplicate
all marks on all copies transmired. and ensure marks are photocopy
reproducible. Outline Contractor marks on reproducible transparencies
with a rectangular box. i
10. Transmittal contents:
a. Coordinate and identify shop drawing contents so that all items
can be easily N erif ed b%°the Engineer.
b. Identify equipmen,or material use. tag number. drawing detail,
references. w'ei_it., and other project specific information. I
C. Provide sufficient information together with technical cuts and
technical data to alloxx an evaluation to be made to determine
that the item submitted is in compliance with the Contract
Documents.
d. Submit items like equipment brochures. cuts of fixtures, product
data sheets or catalog sheets on 8 V:!x 11 pages. Indicate exact
item or model and all options proposed.
e. Include legible scale details. sizes. dimensions.performance
characteristics, capacities.test data, anchoring details,
installation instructions. storage and handling instructions, color
charts. layout drawin^s, parts catalogs.rough-in diagrams,
wiring diagrams, controls.weights and other pertinent data. i
Arrange data and performance info-oration in form at similar to
that provided in Contract Documents. Provide. at minimum,the
detail provided in the contract Docwtients.
f. If proposed equipment or materials deviate from the Contract
Drawings or S ecincat ins is an\ «ay. clearly note the deviation
and iustif the said deviation in retail in a separate letter
immediateh follyAinzt.an_rnitta: Sheet. I
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El Sobrante Library Children's Reading Garden 01'_±8-= Submittals
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B. Samples:
I. Identification:
a. Identif- sample as to tri rsminal n;_nnber, manufacturer, item.
use,type, prcje _ ; atio:;. ta^n--n;;ber, specification section
or dray.;wz detail 18 e:-else. zwor. :-^.2e_, texture, finish and other
pertinent data.
b. If identif,in infor^:a~ :, canno_be marked directly on sample
witho rt defacin_a:-a-m_-rs_-1-, aire:in g samples, provide a
durable tag with era::_:in= info,n;a=ior. securely_ attached to the
sample.
t. Include application speci%c brcch-_!res. art; installation instructions.
�. Provide Contractor's s.ain-3 of>.cnr ox al on sa;n;ples or transmittal form as
indication of Contractor's _hlckin-and - erincation of dimensions and
coordination with in-er:-elz_�c
4. Resubmit samples of rejecte-d aems.
1.05 EI\GL\`EER'S REVIEW ACTIO\ i
A. Shop Drawings and Samples:
1. Items within transmittals-:i:; be reviewed for overall design intent and
will receive one of the folio:,ing actions:
a. A-FURNISH ASSliB1ITTED.
b. B-FURNISH AS`TOTED (BY ENGINEER).
C. C-REVISE AND RESliBMIT.
d. D-REJECTED.
e. E-ENGI\EEWS REVIEW NOT REQUIRED.
?. Transmittals received will ie :::itiall: re%ie:.ed to ascertain inclusion of
Contractor's approva r
Staro. Dxx:r:Rs cot stamped by the Contractor
or stamped with a stamp cont2inin_^_ lan_uage other than that specified in
Paragraph 1.03-AA.a.. wit; not he revie.ved for technical content and
will be returned without any action.
3. Transmittals returned with Action"A"or"B"are considered ready for
fabrication and installation. If for any reason a transmittal that has an
"A"or`B"Action is resu��mi.t '. is must be accompanied by a letter
defining the chances that I:a_e been made and the reason for the
resubmittal. Destroy or conspi:r)usl mark"SUPERSEDED"all
documents having previo_:s\ received "A" or=B"Action that are
superseded by a resubmit-a'
4. Transmittals with action `A 0_"B" combined with?notion"C"(Revise
and Resubmit) or"D" (Re ectecl v.ill be individually analyzed giving
consideration as follows- V i
a. The portion or the trar.SIYJUal =ive:r "C"or"D"will not be
distributed (unless c .c_rSiy zo otherwise at the
PreconStruct ion Cerfer ence_1. One cop. or the one transparency
of the "C" of"D"ora .it:_s wid k-e a;arked up and returned to
the Contractor. Cc::ee-and re;' bnnit items so marked.
b. Items marked e-"B" ill be fully distributed. i
C. If a portion of the ite;:;S or System p:-oposed are acceptable,
however,the ma`.;cr osrt of the individual drawings or documents
are incomplete o: iSen.file entire submittal may be
given "C" o:"D" action. T;_Js a a:the sole discretion of the
El Sobrante Library Children's Read- inc Garde:; =_ -- Submittals
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En�:aeer. I:� zhis ar !nay contain relatively I
fe v or no ccn :ne:,:s -_ the--S:at"::e!a. `Resubmit to maintain a
comrlIte parka_=. _a;o!; t_tl. Owner and field .ill net i
be made t;unleSs : .Si. -c otherwise).
Failure to inc?uce ane Sce_i;;_ :. e:r.: _i ;: s eciied under the submittal
paragraphs ofthe speci=;ca:io-:-s = il: :e....: ir. tl•e transmittal being i
returned to the Contracto c:i:', --i-"'D'- Aztion.
6. In addition to calctilatio;ts S _ a :-;t:rr:ee "E. Engineer's Review
Not Required," other s
: h the Engineer
t.aEls!-li r:!s _c� :c s_r.:r:aals which
considers aS "No,ReGUH-e'." s,- :itta ir.l-�rn:a:ion which is
supplementa, to but ao: tO ---:-!o: =�w;nit:ed information. or items
ofinformation inatra;:S!: i_'_: .:acl ia.ea enreriewednotreceived
"A"or"13" action in a p:: :r_:r.s;t :_.a'_. :,;i: be returned vyith action '-E.
Engineer's Re,-iex \ot Re:
Samples max be rztair.e :c :: PEr:S0111 Dtuposes. Remove samples
when directed. Include i;; c ^.i: c0-S:S Of rmlFfl:ir:g and removing i
samples.
8. Approved Samples submit:erl c !SU uct_d, co stitute criteria for
judging compieted work. F sl:ec :+or.: c- E-e;ns not equal to samples i
will be rejected.
END OF SECTION
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El Sobrante Library Children's Readin_Garden = - Submittals
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SECTION 01-500
TEMPORARY FACILITIES-%-ND CONTROLS I
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PART 1 - GENERAL
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The provisions of the Standard Specifications for Public Works Construction(SSWC) 1997,• edition
apple except as modified herein. Available through Buiidina V eus Publications,Telephone (;14)
1--09 10. I
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The Contractor shall be responsible for all specific safety requirements promulgated by any
governmental authority,including the requirements of the Occupational Safety and Health Act of 1970
(OSK-1 i and CAL OSHA.
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PART 2-TEMPORARY tiTILITIES
2.01 Light,Power and Rater:
Water and Electricitv are available on the site for the contractors use. The Contractor shall install
temporary lines as necessary to complete the work.Proposed temporary utility connections and lines �
shall be reviewed and approved by the Count Representative.The temporary utility line installation.
maintenance and removal shall be paid for by the Contractor. The County shall be responsible for
payment of utility bills rendered from use of the on-site utilities by the Contractor for sole purpose of
project related purposes.
PART 3 .ACCESS AND FACILITIES �
3.01 Access:
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Provide and maintain an adequate access to the site of the project.
3.02 Temporary Fencing:
Contractor may at his option and expense erect a temporary chain link fence around four parking stalls
within the existing parking lot for his own security. Location and limits of fencing shall be approved j
by Count Representative at initial site meeting. Fence shall be a minimum 8'-0" in height and shall i
have appropriate access gates. Fence shall have a good appearance. At completion of project(or
sooner), Contractor shall remove fence from property with County permission.
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3.03 Sanitary Facilities:
A. The Contractor shall provide temporary toilet facilities which may consist of portable
chemical toilets. ?;umber of toilets shall be based on number of workers- 1 per 1-5 workers. �
B. Toilet facilities shall be kept suppiied with toilet paper and be kept in a clean and sanitary
condition until completion of the work and then be removed from the work site. Upon
removal,that portion of the site shall be properly cleaned and graded.
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El Sobrante Library Children's Reading Garden 01500-1 Temporary Facilities Control i
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PART 4-TEMPORARY SIG\BOARDS
4.01 Identification Sian::SIC
PART 5-FIRE PROTECTIO\
Provide Qeneral temporary fire protection for the«ork under this contract.
PART 6-TRASH REMOVAL AND CLEA\L\G
Provide trash receptacles for collecting debris. Remove debris from job site at regular intervals.
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END OF SECTION 01500 i
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El Sobrante Library Children's Reading Garden 01500-2 Temporary Facilities Control
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SECTION 01"00
PROJECT CLOSEOUT I
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PART 1 -GENERAL
1.1 RELATED DOCUMENTS:
Drawings and general provisions Contract. including General and Supplementary Conditions
qs requirements for individual units o work are specified in sections of Division 2 through 16. i
Time of closeout is directly related to "Substantial Completion". i
1.3 PREREQUISITES TO SUBSTANTL LL COMPLETION:
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A. General: Prior to requesting Engineer's inspection for certification of substantial
completion, complete the following and list known exceptions in request: i
1. In progress payment request coincident with or first following date claimed
shown either 100%completion and reasons for being incomplete.
2. Include supporting documentation for completion as indicated in these contract
documents. j
3. Submit specific warranties, workmanship:maintenance bonds, maintenance
agreements,final certifications and similar documents.
4. Submit record drawings. maintenance manuals. and similar final record
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information.
Deliver tools, spare parts, extra stocks of materials, and similar physical items to
the Town. i
6. Complete start-up testing of systems, and instructions of Town's
operating/maintenance personnel. Discontinue (or change over) and remove I
from project site temporary facilities and services. alone with construction tools
and facilities,hook-ups, and similar elements. y
Complete final cleaning up requirements, including touch up of marred surfaces.
8. Touch up and otherwise repair and restore marred exposed finishes.
B. Inspection Procedures: Upon receipt of Contractor's request, the Engineer will either
proceed with inspection or advise Contractor of prerequisites not fulfilled. Following
initial inspection. the Engineer will either prepare certificate of substantial completion,
or advise Contractor of work which must be performed prior to issuance of certificate:
and repeat inspection when requested and assured that work has been substantially
completed. Results of completed inspection will form initial "punchlist" for final
acceptance.
1.4 PREREQUISITES TO FLS AL ACCEPT-A1NCE:
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A. General: Prior to requesting Counn Representative's final inspection for certification of
final acceptance and final pa,,:rent as required by General Conditions. complete the
following and list known exceptions i if any i in regt:est:
El Sobrante Library Garden 01'00-1 Proiect Closeout
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1. Submit final payment request with final releases and supporting documentation.
_. Submit certified copy of Engineer's final punch list of itemized work to be
completed or corrected. stating that each item has been completed or otherwise
resolved for acceptance. endorsed and dated b.°the Engineer.
3. Submit consent of surety.
4. Submit final liquidated damages settlement statement for approval by County.
B. Reinspection Procedure: Upon receipt of Contractor's notice that work has been
completed, including punct: list items resulting from earlier inspections, and excepting
incomplete items delayed because of acceptable circumstances. the Engineer will
reinspect work. Upon completion of reinspection. the Engineer will either prepare
certification of final acceptance or advise Contractor of work not completed or i
obligations not fulfilled as required for final acceptance. If necessary, procedure will be
repeated.
1.4; RECORD DOCLNIENT SUBMITTALS:
A. Record Drawings: Maintain a white print set (blue line or black line) of contract
drawings and shop drawings in clean. undamaged condition. with mark up of actual
installations which yen substantiall• from the work as originaliv shown. Mark
whichever drawing is most capable of showing "fell' condition fulhv and accurately:
however, where shop drawings are used for mark up, record a cross reference at
corresponding location on working drawings. Mark with red erasable pencil and. where
feasible, use other colors to distinguish between variations in separate categories of
work. Mark up new information .N-hich is recognized to be of importance to the Town.
but was for some reason not shown on either contract drawings to shop drawings. Give
particular attention to concealed work. which.N ouid be difficult to measure and record at
a later date. Note related change order numbers where applicable. Organize record
drawing sheets, and print suitable titles. dates and other identification on cover of each
set. For electrical, plumbing. site drainage. irrigation and other similar drawings. submit i
corrective transparencies (sepias). originals to be furnished to the respective Contractors
by'the Engineer.
B. Maintenance Manuals: Organize maintenance and operating manual information into
suitable sets of manageable size. and bind into individual binders properly identified and
indexed (thumb tabbed). Include emergency instructions, spare parts listing, warranties, i
wiring diagrams, recommended "turn around" cycles, inspection procedures, shop
drawings, product data, and similar applicable information. Bind each manual of each
set in a heavv-dury 2". 3-ring vinyl covered binder. and include pocket folders for folded
sheet information. `lark identification on both front and spine of each binder.
PART 2 -PRODUCTS
Not applicable.
PART 3 -EXECUTION
3.1 CLOSEOUT PROCEDURES:
General Operating/Maintenance Instructions: Arrange :or eacz installer of,work requiring
continuing maintenance or operation to meet with the Tow:i s personnel, at project site, to
protide basic instructions needed for proper operation arc maintenance of entire work. Include i
El Sobrante Libran Children's Reading Gal--dei: C-1 Project Project Closeout i
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instructions by manufacturer's representatives x.i;ere ii.Stallers are not expert in the required
procedures. Review maintenance manua!s. record -dozumentation. tools, spare parts and
materials, lubricants. field. identification sys_em, control sequences, hazards. cleaning and
similar procedures and facilities. For operational equip-niem. demonstrate start up, shut down,
emergency operations, noise and vibrator. ad;uStme7.s, s_:fes., }`
_anem .efficiency adjustments.
and similar operations. Review maintenance and pera.ions in relation with applicable i
warranties, asreements to maintain bonds. and similar o.2si:uina commitments. �
3.2 FP�AL CLEANING:
A. Clean entire project site of iit-_er and foreign 5L,LS.anceS- Sweep paved areas to a broom
clean condition: remove stains, petroche:nieal Spilis and ober foreign deposits.
B. Removal of Protection: Except aS other,,vise indicate,: or requested bv the Engineer.
remove temporar} protection de,.iceS and facilities vJ ica vere installed during course of
the work to protect previously completed work duri:iq remainder of construction period.
C. Compliances: Comply with safetx standards and governing regulations for cleaning
operations. Do not burn waste materials at site, o: bury debris or excess materials on the
Town's property, or discharge volatile or otter harmful or dangerous materials into
drainage s}stems. Remove waste materials from site and dispose of in a lawful manner.
End of Section
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El Sobrante Library Children's Reading Garden 0--700-3 Project Closeout
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SECTION 02020
CLEARING AND DEMOLITION
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PART I- GENERAL
1.01 RELATED DOCUMENTS:
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The General Conditions of the Contract. including General and Special Provisions and General
Requirements apply to the work in this section. j
1.02 DESCRIPTION:
A. Work Included: Furnish all labor.materials,equipment,facilities,transportation and services i
to complete all clearing and demolition and related work as shown on the drawings an(!or
specified herein and as required to complete work as described in construction documents.
L Clearing and Grubbing including but not limited to:trees,shrubs.grasses and other
vegetation.
2. Removal and Disposal of Miscellaneous Construction Item and Debris including but
not limited to removal of Site furnishings. Concrete and base rock. Sand. Wood
Surfacin.g, Play-components. etc.
PART 2 -MATERIALS
2.01 EQUIPMENT
Equipment shall be suitable for the work to be done and shall be ir,first-class condition. Equipment j
operators and workmen shall be skilled in operations and to be supervised by a competent i
superintendent.
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PART 3 -EXECUTION j
3.01 PREPARATION
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A. Protect and maimair benchmarks and survey control points from disturbance during
construction.
B. Provide erosion-control measures to prevent soil erosion and discharge of soil-bearing water
runoff or airborne dust to adjacent properties and walkways. I
C. Locate and clearly flag trees and vegetation to remain.
D. Protect existing site improvements to remain from damage during construction.
1. Restore damaged improvements to their original condition, as acceptable to Owner.
3.02 TREE PROTECTION
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A. Erect and maintain a temporary fence around drip line of individual trees or around perimeter i
drip line of groups of trees to remain. Remove fence when construction is complete.
E Sobrante Library Garden 02020-1 Clearing_-'.nd Demolition
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1. Do not store construction materials. debris. or excavated material within drip line !
of existing trees to remain. i
2. Do not permit vehicles. equipment, or foot traffic within drip line of existing trees I
to remain.
B. Do not excavate within drip line of trees, unless others,,rise indicated.
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C. Where excavation for new construction is required«ithin drip line o?trees,hand clear and
excavate to minimize damage to root systems. Use narrow-tine spading forks.comb soil to
expose roots, and cleanly cut roots as close to excavation as possible.
i. Corer exposed roots with burlap and water regularly.
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'_. Temporaril:-support and protect roots from damage until they are permanently
relocated and covered With soil.
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_. Coat cut faces of roots more than 1-1'2 inches in diameter with an emulsified
asphalt or other approved coating formulated for use on damaged plant tissues.
4. Cover exposed roots with wet burlap to prevent roots from drying out. Backfill
with.soil as soon as possible.
D. Repair or replace trees and vegetation indicated to remain that are damaged by construction
operations, in a manner approved by Owner's Representative.
1. Employ a qualified arborist, licensed in jurisdiction .where Project is located, to
submit details of proposed repairs and to repair damage to trees and shrubs. i
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Replace trees that cannot be repaired and restored to full-gro,.th status.as determined i
by the qualified arborist.
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3.02 tiTILITIES i
A. Existine Utilities: Do not interrupt utilities serving facilities occupied by Oiyner or others
unless permitted under the following conditions and then only after arranging to provide
temporary utility services according to requirements indicated: i
1. Notif- Oxwner's Representative not less than two days in advance ofnroposed utilir
interruptions.
2. Do not proceed ,i h utility interruptions«ithout O�;Tter's Representative's written
permission. I
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3.03 CLEARING & GRUBBI\G i
A. Remove obstructions.trees. shrubs. brass. and other vegetation to permit installation of
new construction.. Removal includes digging out stumps and obstructions and grubbing '
roots. V
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El Sobrante Library Garden 02020-2 Clearing-Xnd Demolition
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1. Do not remove trees_. shrubs, and other vegetation indicated to remain.
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2. Cut minor roots and branches of trees indicated to remain in a clean and careful
manner w=here such roots and branches obstruct installation of nes; construction.
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3. Completely remove stumps,roots, obstructions, and debris extending to a depth of I
18 inches belowexposed subarade. V
4. Use oni�_•hand methods for°rubbing within drip line of remaining trees. f
B. Fill depressions caused by clearing and grubbing operations with satisfactory soil material,
unless further excavation or earltw"ork is indicated. Place fill material in horizontal layers !
not exceeding 8-inch loose depth, and compact each layer to a density equal to adjacent
origin; ground. j
3.04 SITE IMPROVEME\TS
A. Remove existing above-and below_grade improvements as indicated and as necessary to
facilitate new construction.
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B. Remove and dispose or wire mesh fencing: including posts and footings, where shown on
pians. Contractor shall finish off edges at limit of fence to remain as directed by the County
inspector.
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C. Remove paving, and aggregate base. asphalt concrete as indicated.
1. Unless existing full-depth joints coincide wztn line of demolition,neatly saw-cut length of
existing pavement to remain,before removing existing pavement. Saw-cut faces vertically.
3.05 DIST CONTROL
A. Dust Control: At all times during the operations,prevent the foetation of any airborne dust
nuisance by watering and or treating the site of the work in such a manner that will confine
dust particles to the immediate area of the work. Dust control shall comply with all i
goveming agencies including Bay area air Quality Control Board requirements.
3.06 DISPOSL
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A. Remove debris as it accumulates,except as otherwise specified. Do not store or permit debris
to accumulate on the site. If contractor fails to remove excess debris promptly. the County
reserves the richt to cause same to be removed at Contractors expense.
B. Disposal: Remove surplus soil material,. unsuitable topsoil. obstructions. demolished
materials. and waste materials. including trash and debris, and legally dispose of them off i
Owner's property. V
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END OF SECTIO\02020
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E?Sobrante Librar.-Garden 02020-3 Clearin_And Demolition �
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SECTION 02200
EARTHWORK AND GRADI\G
PART 1 -GENERAL i
1.01 SUNBURY: I
A. The provisions of the Standard Specifications for Public R-ork,;Construction(SSWC_) :99 :
edition apph except as modified herein. Axailable through Budd'vag lzir% Publications,
Telephone ('1'j =17-09-0.
B. Scope of Work: Furnish all labor. materials, equipment. facilities. transportation and i
sen-ices to complete all earthxxork operations and related work as shown on the drawings
and or specified herein. I
:. Rough Brading including over excavation and compaction.
?. Finish grading of the site.
.3. Excavation and backfill for all footings.walks. do creek. etc. I
4. Stockpiling and placing topsoil. v
Soil compaction as required. i
6. Protective measures.
-. Dust and noise abatement.
S. Obtaining construction water.
C. Related Work Specified Else«-here:
i. Section 02:10: Clearing and Grubbing j
D. Water:
Contractor shall make arram-1-menus with counn to utilize listing water s).stems for eater.
PART 2 -EXECUTION
2.01 EXCAVATION: �
A. Cut and Fill. Contractor shall balance site. Fill shall be placed in level laser not to exceed �
six inches in depth and mechanicallx compacted using optimum amount of moisture to
achie,e a 90%minimum degree of compaction.Excess fill shall be placed en other portion of I
site at Counts representati,e s direction.
B. Rough Grading:
The site shall be graded to elevations shown on the drawings with such allowances as max be
required for the construction of walks. and other intended site impros ements. Tolerance for i
rough Brading is ': 10th of a foot.plus or minus,at pax ed areas. At all other areas.functional
use and appearance shall be the goxerning factors as determined b} the Countn's
Representative. I
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El Sobrante Librar. Garden 02200-- Earthwork& Grading
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C. Unsuitable Materials:
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Material that can not be accepted for on-site disposa! shall be removed from the site b% the i
Contractor.
D. Excavation: i
The Contractor shall make all necessarx excavation for footings. dry creek and slabs and do
any additional excavation necessary to provide ample room for installation of concrete forms
where required.
Footings max be poured in trenches against undisturbed soil where approved bx O«ner's
Representative.
Bottom of excavations shall be level.free from loose material and brought to the indicated or i
required levels in undisturbed earth. All excavations shall be kept free from standing nater.
The Contractor shall de all pumping or draining that may be necesarx in carrying on the i
w ork.
Should excavations for footings,through error,be excavated to a greater depth than indicated
or required.such additional depth shall be filled w ith concrete.as specified for footings.at the
Contractor's expense. Excavations that have been dug wider than required.shall be formed to
conform with plans and specifications. Filling with concrete can onlx be accepted with the
approval of the Owners Representative.
E. Finish Fine Grading:
Finish grades shal!slope to drain without water pockets or irregularities and shall conform to
the intent of all plans and sections - after thorough settlement and compaction of the soil.
Finish grades shall meet all existing or established controls of sidewalks.curbs and walls and
shall be of uniform slope and grade betw=een points of fixed elevations or elevation controls
and from such points to established grades. Tolerance for finish grading is ._10 foot.plus or
minus. adjacent to fixed elevations or gradients. At all other area__. functional use and
appearance shall be the governing factor.
F. Backfilling:
_after the footings have been placed, forms removed. and concrete work approved. the
excavation shall b--back-filled with earth to the required grade.
Select site material shall be used for backfill and shall be free from large stones and clods.
Material shall be approved by the Oxyner`s Representative.
Backfill shall be deposited in layers of 6"thickness.
Layer;of backfili shall be moistened with water.the amount to be rigidly controlled to insure
optimum moisture conditions for the type of fill material used. Excess water cawing i
saturated earth beneath footings will not be permitted.
II El Sobrante Library Garden 02200-= Earthwork cF Grading
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Backfill shall be compacted b- suitable means to 90°_. densitx.
.all trenches for other x%ork shall be backfilled in accordance with this section. and maN be
tested at the discretion of the O.-ner's Representative.
G. Protective Measures:
All excavations shall be protected and guarded a_ainst dancer of life. limb and propert..
Existing improx ements and trees within contract limit or areas of actix-itx-shall be properh i
protected.
H. Dust and Noise Abatement:
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During the entire period of construction. site areas shall be kept sprinkled.
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END OF SECTION 02200
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El Sobrante Librarx Garden 02200-=- Earthwork &Gradine
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SECTION 02810 i
IRRIGATION SYSTEM i
PART 1 -GENTR L
1.01 RELATED DOCUMENTS:
A. The General and Supplementar Conditions and General Requirements appiv to the work-
herein
orkherein specified.
1.02 DESCRIPTION:
A. Contractor shall furnish all labor. tools. equipment. product, materials and transportation
and perform all operations necessary to properly execute and complete all work in
accordance with the Drawings and these Specifications. The intent is to accomplish the
«ork of installing an irrigation system, which will operate in an optimum manner. This
intention is to be met foregoing anv deficiency_ in setting a complete detailed description
of the work to be done.
B. Related Work Specified Elsewhere:
1. Section 02900: Landscape Planting
1.03 QtiALITY ASSL-RANCE: i
A. Reference Standards:
1. ASTM: American Society_ for Testing and Materials
a. DI-85: Standard Specification for polyvinyl chloride(PVC)plastic
pipe, Class 200, Class 3 15.
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b. D2446: Standard Specification for pol-tinyl chloride ( VC) plastic
pipe fittings. Schedule 40 and Schedule 80.
2. I-SF: National Sanitation Foundation
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B. Drawings: j
1. For purposes of clarity and legibility, drawings are essentially_ diagrammatic to
the eaten.that many offsets, bend, unions, special fittings, and exact locations of
items are not indicated,unless specifically dimensioned.
'_. Exact routing of piping, etc.. shall be governed by structura: conditions,
obstructions. Contractor shall make use of data in Contract Documents.
I The contractor shall not willfully install the irrigation system as sho-t,.n on the i
drawings when it is obvious in the field that unlmo,.;n obstructions. grade
difference or discrepancies in area dimensions exist that might not have beer.
considered in engineering. Such obstructions or differences shall be brought to
the attention of the irrigation consultant. In the event this notification is not
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E:Sobrante Ubbrary Garden 01-810-1 Irrigation System
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performed. the contractor shall assume full responsibility for any recisioni
necessary.
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1.04 VISIT TO THE SITE:
The contractor shall visit the construction site and shall take all measurements and obtain any
other information as mac-be necessary for a complete and conclusive bid. i
1.05 SL- ALS:
A. Substitutions:
Prior to installation, any proposed substitution from the plans or these specifications is to
be forwarded.in.;ritine. to the irneation consultant for approval.
B. Record Drawines:
Provide record drawings as follows:
1. The contractor shall maintain in good order in the field office one complete set
of prints of all sprinkler drawings, which form a pan of this contract. In the i
event any cork is not installed as indicated on the drawings, such work shall be
indicated and dimensioned accurate1v on record drawmQs as chances occur.
Dimension from two permanent points of reference, building corner. sidewalk,
road intersections. etc..the location of the following items.
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a. Connection to existing water lines
b. Connection of existing electrical power
C. Routine of pressure lines(dimension max. 100 feet lone along routing)
d. Electrical control valves
e. Routing of control vires
f. Quick-coupling valves �
Ly. lindercround stub-outs
h. Other related equipment as directed by the irrigation consultant
'. Upon completion of the work. obtain reproducible sepias from the landscape �
architect and neatly correct the plants (to be done by a competent draftsperson)to
show the as-built conditions. After the as-builts are reviewed and approved by
the irritation consultant, obtain reduced copies of"as-built" sepias (8-1.'2" x 1 l"
sheets or to the smallest readable size), and laminate with weather prootmg
coatint.
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C. Operation and Maintenance Manuals:
1. Prior to the final inspection of the irrigation system, fumish two (2)individually
bo.md Service)Manuals to the owner. The manuals shall contain the following:
El Sob:ante Librar.-Garden 021810 L-rigation Svstem
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a. Index sheet indicating the contractor's name, address, and phone number.
b. A copy of the completed guarantee-following the form in these
specifications.
C. Certificate of insurance verifying coverage for completed operations.
d. List of equipment with names, addresses and telephone numbers of all
local manufacturers' representatives.
Copies of equipment warranties and certificates.
f. Complete operating and maintenance instructions of all equipment
including exploded drawings and spare parts list.
_'. Provide instruction in operation of system to owner's personnel. i
D. Hardware Items:
1. Two (2) sets of matching Q.C.V. keys and hose swivels. '
2. Two (2)keys to each controller box.
_. Two (2) sets of any special tool required for the maintenance of each type of
component used in the sprinkler system. j
1.06 PROJECT COORDINATION:
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A. Sequencing and Scheduling:
Coordinate irrigation-installation work with the installation of other site improvements.
including utility installation work and landscape installation. !
B. Environmental Conditions:
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Site wofK such as trenching and backfilling shall not be performed during wet. muddy or
frozen conditions.
C. Rules and Regulations:
All work and materials shall be in full accordance with the latest rules and regulations of
the National Electric Code: the 'Uniform Plumbing Code and other applicable state or
local laws or regulations. 'Nothing in these drawings or specifications is to be construed
to permit work not conforming to these codes.
1. The contracto-shall furnish any additional material and labor required to comply
with these rules and regulations, though the work is not mentioned in these
particular specifications or shown on the drawings.
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2. 'When the specifications call for materials or construction of a better quality or
larger size than required by the above mentioned rules and regulations. the
provision of the specifications shall take precedence over the requirements of the
said rules and regulations.
F Sobrante Libran-Garden 02810-10 Irrigation System
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D. Safety:
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1. The contractor shall erect and maintain barricades. wards, warning signs. and
lights as required for the protection of the public and workmen.
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2. All work shall be performed it. a safe manner. All regulations, all OSHA
requirements and other authoritative agencies shall be followed.
3. Prior to commencement of work. locate all underground utilities so that proper
precautions may be taken not to damage such improvements.
E. Mlaimaining Traffic:
It is the responsibility of the contractor to ensure adequate protection and controls for
pedestrian and vehicular traffic in the vicinity of the project areas. The contractor shall
provide all signs. barricades. flagmen. etc.. necessary to meet all traffic requirements for
this project at his oven expense. i
F. Permits and Fees: i
The contractor shall obtain all permits and pad- all required fees to any governmental
agencv° haying jurisdiction over the work and arrange for inspections specified by local
ordinances during the course of construction as necessary.
PART 2 -PRODUCTS
2.01 PRODUCT DELIVERY. STORAGEAND ELANDLI G:
Handling of pipe and fittings: The contractor is cautioned to exercise care in handling. loading,
unloading, and storing of pipe and fittings. Cracks can occur from sudden impact. Protect all
plastic products from excessive exposure to sunlight. Any section of pipe that has been dented or
damaged shall be removed from the site and. if installed. shall be replaced with neve undamaged
piping.
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2.02 ML4TERIALS:
A. PVC Pressure main!in,-piping and fittings:
1. Pressure main lint piping: 1120-Schedule 40PVC plastic pipe.
2. Pipe shall be made from NSF approved. Type 1. Grade 1 PVC compound
conforming ASTMS D1711E4. All pipe shall meet requirements set forth in ASTMS i
D2441 with an appropriate standard dimension ratio.
All PVC pipe shall bear the following markings:
a. Manufacturer's name
b. '_nominal pipe sizz
C. Schedule or class
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El Sobrante Librarv-Gardzn 02810--4 L-rigation System
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d. Pressure rating in PSI
e. \TSF
f. Date of extrusion
4. all fittings shall bear the manufacturer's name or trademark_, material
designation. size, applicable I.P.D. schedule and NTSF seal of approval.
B. PVC non-pressure lateral line piping and fittings: '
I. Non-pressure buried lateral ]in-- piping shall be PVC 1120 Class 200 with
solvent-weld joints.
2. Pipe shall be made from NSF approved, Tpe 1. Grade 1 PVC compound
conformingto ASTM D1%84. All pipe shall meet requirements set forth in
ASTM D2441 -,,nth an appropriate standard dimension.ratio.
3. Except as heretofore specified. all requirements for non-pressure lateral line pipe
and fittings shall be the same as for solvent-weld pressure main line pipe and
fittings as specified.
C. Sleeving and Conduit: Material shall be pol�-vinyl chloride (PVC) Schedule 40. type
1120 1220 with solvent weld. i
D. Galvanized steel pipe shall be Schedule 40; ASThI (A120) and steel fittings shall be
Schedule 40 hot dipped, double banded malleable steel.
E. PVC Schedule 80 nipples shall be used with molded threads. Machined threaded nipples
will not be allowed.
F. Connections between supple line and R.C.V.'s shall be as specified or detailed on the
drawings.
G. Riser assemblies shall be as specified or detailed on the d:aw-ings.
H. Controllen valves. backflow preventer and sprinkler heads shall be specified and or
detailed on the drawings.
L Control wire shall be copper wire as scheduled by valve manufacturer or lareer and shall
be UL-approved for direct burial in ground. Common ground wire shalT have white i
insulating jacket. All other control wire shall have jacket of color other than white.
J. Miscellaneous installation materials:
1. Solvent weld joints shall be of make and type approved by manufacturer (s) of
pipe and fittings. Solvent cement shall be a proper consistency throughout use.
Mixing thinner with solvent will not be allowed.
2. Pipe joint compound shall be non-hardening, non- toxic materials designed
specifically for use on threaded connections in water carrving pipe.
3. ['ire connections shall be 3-\4#3`50 Scotch Lok Seal Packs. Spears DS'00 seal
packs or approved equal.
E'.Sobrante Library Garden 02810 Irrigation System
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K. Thrust Blocks: Concrete thrust blocks shall be as detailed on the plans.
L. Control o:Vale Boxes:
1. Provide 14 x 19 inch plastic rectangular control calve box with bolt doWin plastic
lid for each electrical control calve. Hot stamp or permanently engrave irrigation i
controller station number onto calve box lid.
_'. For sate calces and quick coupling calces: Use 9-inch plastic round box. Add
extensions for sate calves as required. Ho: stamp or permanently engrave "GV"
for gate calve and"QCT-"for quick coupler calves onto calve box lid. i
PART 3 -EXECtiTIO
3.01 GENERAL:
A. h-rigation system shall be installed in accordance with all applicable local and state codes
and ordinances by a licensed landscape contractor. i
B. Follow manufacturer's direction except as shown or specified. i
3.021 I\SPECTIOI OF SITE CONDITIONS:
A. all scaled dimensions are approximate. The contractor shall check and verify all size
dimensions prior to proceeding with work under this Section.
B. Exercise extreme care in excavating and corking near existing utilities. Contractor shall i
be responsible for damages to utilities. -which are caused bt his operations or neglect.
Check existing utilities drawings for existing utility locations. i
C. Coordinate installation of irrigation materials. including pipe, so there shall be no i
interference with utilities or other construction or difficulty in planting trees, shrubs. and
sroundcocer.
D. Avoid trenching within drip line of trees where possible. Vvlen not possible, all
damaged roots over 1-1,2" in diameter shall be cut leaving clean face, seal cuts%yith tree
seal, then immediately install pipe, wire. etc., refill trench and soak.
E. The contractor shall carefully check all grades to satisfy himself that he may safely
proceed before starting cork on the irrigation installation. i
F. Coordinate the work of this Section with that of other Sections for the location of pipe
sleeves through wall,paying, etc. i
G. The landscape contractor shall verify water pressure and available gallonage prior to
construction. If deficiencies are noted that will hinder the sv_stems performance, notifv
the irrigation consultant for directions to correct deficiencies.
H. The design is diagrammatic. All piping. calves. etc.. shown within payed areas is design i
clarification only. Insall piping, valves, etc..in planting areas.
3.03 PREP_ KATION-LAYOUT OF WORK:
E:Sobrante Library Garden: 02€10-6 Irrigation System
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Prior to installation. stake out all press-are supply lines, routing and location of sprinkler heads
and notify? irrigation consultant for reviewing layout when area or erade differences or
obstructions are not as indicated or_the plans.
3.04 INSTALLATION:
A. Trenching:
1. Die trench straight and support pipe continuously on bottom of trench. Lay pipe
to an even grade. Trenching excavation shall follow layout shown on drawm2s.
_'. Provide for a minimum of i8 inches corer for all pressure supply lines.
=. Provide for a minimum cover of 12 inches for all non-pressure lines to spray
heads.
4. Provide for a minimum corer of 18 inches for all control wiring.
=. Provide a minimum corer of 24 inches over pipe and wiring under asphalt
pavement.
B. Backfilling:
i. Do not back-fill trenches until all required tests are performed. Carefully backfill
trenches with specified excavated materials for backfilling, consisting of earth.
loam. sandy clay. sand. or other acceptable materials, free from lame clods of
earth or stones. Backfill shall be mechanically compacted in landscaped areas to
a dry density equal to adjacent undisturbed soil in planting areas. Backfill shall
conform to adiacent grades without dips, sunken areas, humps or other surface
irregularities.
2. Surround pipe with sand it.rocks-terrain with a 4"bed and 4" coyer.
3. Backfill in proposed asphalt pared areas shall have sand covering pipe with 6"
minimum depth..
C. Pipe and Fitting Installation and Connections:
1. Install no multiple assemblies on plastic lines. Provide each assembly with its
own outlet.
?. Install all assemblies specified herein in accordance with details shown on
drawings.
=. Thoroughl clean PVC pipe and fittings of dirt, dust and moisture before
installation. Installation and solvent welding methods shall be as recommended
by the pipe and fitting manufacturer. i
4. On PVC to meal connections. the contractor shall work the metal connections
first. Use Te`ion tape, or equal, on all threaded PVC to PVC, and on all treaded
PVC to metal joints.
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El Sobrante Libras•Garden 02810-7 L-rieatior System
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5. Install piping under existing walks by boring whenever possible. Where an
cutting or breaking of sidewalks and-or concrete is necessar°. it shall be done
and replaced at no increase in contract sum. Obtain permission to cut or break
sidewalks and-or concrete from the architect before proceeding. -No hydraulic
driving will be permitted under concrete paving.
D. Line clearance:
All lines shall have a minimum clearance of 6 inches from each other and from lines of
other trades. Parallel lines shall not be installed directly over one another.
E. Automatic Controller:
1. Locate controller in general location shown with exact placement to be
determined at job site by the irrigation consultant or Owner's Representative. i
2. Connect control lines to controller in sequential arrangement according to '
assigned identification number on plans. I
Controller shall be properly grounded per Article 250 of the rational Electric
Code and conform to local regulations. i
F. Remote Control Valves:
Install where shown on drawings. When grouped together, allow at least 12 inches
beween valves. Install each remote control valve in a separate valve box. Locate boxes i
in groundcover areas whenever possible. and a minimum of 12 inches from paring or �
curbs.
G. Control Wiring:
1. flake connections between existing automatic controls and electrical control
valves with direct burial copper wire. Common wires shall be white. Install in
accordance with valve manufacturer's specifications and wire charts.
7. Wiring shall occupy the same trench and shall be installed along the same route
as pressure supply- or lateral lines wherever possible. When not possible, house
.Tiring in PVC conduit as described in"Sleeving and Conduit" section.
0. Where more than one wire is placed in a trench the wiring shall be taped together
at intervals of 10 feet.
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4. Provide 2-foot expansion coil at each wire connection and a:least ever- 100 feet
of wire length on runs more than 100 feet in length. Form expansion coils by
wrapping at least five turns of wire around a 1-inch diamete- pipe. then
withdrawing the pipe.
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5. Splicing on runs shall be placed injunction boxes. Indicate all splices or_fre As-
Buil:Plan.
6. All below grade wire connections shall be made by using heat shrink tubing with
inter;•all sealer following manufacturers recommended procedures.
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E:Sob-ante Libran•Garden 02810-8 Irngation System i
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Install separate common wire for each controller. Install extra control wires of a
different colo- through all yaive boxes to controller as indicated in irrigation
notes on plans.
H. Sleeving and Conduit:
1. Control -%firing passing under proposed concrete and paving shall pass through
Schedule 40 PVC condui_-size as required.
?. Sleeving and conduit shall extend six (6") bevond farthest edge of pavement or
curb.
3. Provide removable non-decaying plug at ends of sleeves and conduits to prevent
entrance of earth. !
I. Flushing of Sv_stem: !
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1. After all nes;- pipelines and risers are in place and connected. all necessary I
diversion work has been completed. and prior to installation of sprinkler heads.
open control valves and use a full head of water to flush out the system.
'. Install sprinkler head only after flushing of system has been accomplished.
J. Sprinkler Heads:
Install sprinkler heads as shown on Drawings.
_'. Spacing of heads shall not exceed maximum shown on Drawings. In no case
shall spacing exceed maximum recommended by manufacturer. !
3.05 FIELD QUALITY CONTROL:
A. Adjustment of the System:
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1. Flush and adjust all bubblers for optimum performance and to prevent overspray
onto walks.roadways and buildings.
2. If it is determined that adjustments in the irrigation equipment will provide
proper and more adequate coverage. the contractor shall make such adiustments '
prior to planting. Adjustments may also include changes it-- nozzies sizes and
degrees of arc as required.
Lowering raised sprinkler heads by the contractor shall be accomplished within
ten days after notification.
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B. Testing of Irrigation System: I
1. Notify the irrigation consultant at least three Q days in advance of testing.
2. Test to be done at no extra cost to the Ow•tter.
El Sobrante Libra-y Garden 02810-9 Irrigation System
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3. with sufficient amount of back-fill to prevent arching or
Center load piping
slipping under pressure. No fitting shall be covered.
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4. Testing of pressure main lines shall occur prior to installation of electrical
control valves. i
Pressure Test for Solvent Weld Pipes:
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a. Apply test for solvent welded plastic pipe after joints have Csred at least i
4 hours or more it manufacturer of solvent cement requires.
b. Test supply lines per ASTM-F690 as follows: (1) add water slowly to
pipe to avoid water hammer damage. (2)bleed system to insure all air is
out of pipes. (_) pressurize system to 12=°o of design operating pressure
for two (2) hours. Visually inspect for leaks while system is holding
pressure constant. \ote—use hydraulic pump or other safe method—do
not use air comroressor.
C. Test sprinkler lines at line pressure and visually inspect for leaks.
6. When the irrigation system is completed, perform a coverage test to determine if
the water coverage for planting areas is complete and adequate. Furnish all I
materials and perform all work required to correct any inadequacies of coverage
due to deviation from drawings. This test shall be accomplished before any plant
material is planted. j
Upon completion of each phase of work, test and adjust entire system to meet
site requirements.
3.06 CLEk -LT:
Clean-up shalt be made as each portion of work progresses. Refuse and excess din shall be
removed from the site. all walks and paving shall be broomed or washed down, and any damage
sustained or the work of others shall be repaired to original conditions.
3.071 FINAL REVIEW PRIOR TO ACCEPTANCE:
A. Operate each system in its entirety at time of final review. Arty items deemed not
acceptable shall be reworked to the satisfaction of th-1 irrigation consultant.
B. Final review- shall take place after submission of all specified lists.record drawings, and
manuals.
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3.08 I-SPECTIO\S:
The contractor shall be subject to inspections at any and all rimes by authorized representatives
of the Owner.
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Ei Sobrant:Library Garden. 02810-10 Irrigation System
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GUARANTEE FOR SPRINKLER IRRIGATION SYSTEM
WE HEREBY GUAR.A-\TEE THAT THE SPRL\"PLER IRRIGATION SYSTEM WE ILAVE i
FURNISHED AND INSTALLED IS FREE FROM DEFECTS IN MATERIALS AND
WORK-MA\SHIP. AND THE WORK HAS BEEN COMPLETED IN ACCORDANCE N&TITH THE
DRAWINGS AND SPECIFICATIONS. WE AGREE TO REPAIR OR REPLACE ANY DEFECTS N
MATERIAL OR WORK-NLA\SHIP, AINY SETTLING OF BACKFILLED TRENCHES, WHICH MAY
DEVELOP DURING THE PERIOD OF ONE YEAR FROM DATE OF ACCEPTANCE AND ALSO
TO REPAIR OR REPLACE A\1 DANiAGE CAUSED BY ANY DEFECTS IN THE IRRIGATION
SYSTEM OR RESLLTLNG FROM THE REPAIRING OR REPLACING OF SUCH DEFECTS AT NO
ADDITIONAL COST TO THE OWER. ORDINARY WEAR A\D TEAR. LTTUSL AI SBL SE OR
NEGLECT ARE EXCEPTED. WE SHALL MAKE SUCH REPAIRS OR REPLACEMENTS.
INCLUDING COMPLETE RESTORATION OF ALL DAMAGED PLAT\TLNG,PAVING. OR OTHER
1IMPROVEMENITS OF A'N—Y KIIN-D, WITHIN A REASONABLE TIME, AS DETERMINED BY THE
OWNER, AFTER RECEIPT OF WRITTEN NOTICE. N THE EVENT OF OUR FAILURE TO?LAKE i
SUCH REPAIRS OR REPLACEMENTS WITHIN A REASONABLE TIl%-fE AFTER RECEIPT OF
WRITTEN NOTICE FROM THE OWNER, WE AUTHORIZE THE OWNER TO PROCEED TO
HAVE SAID REP_ALRS OR REPLACEMENTS BLADE AT OUR EXPENSE A\-D WE WILL PAY i
THE COSTS IND CLLARGES THEREFORE UPON DELA\D.
PROJECT:
LOCATION:
CONTRACTOR:
LICENSENO:
ADDRESS:
TELEPHONE:
GUARANTEE TO:
DATE OF ACCEPTANTCE:
AUTHORIZED REPRESENTATIVE:
END OF SECTION 02510 i
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El Sobrante Libras•Garden 02€10-11 L-rigation Svstem
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SECTION 02870
SITE FL-R-NISM-NGS AND ACCESSORIES
PART 1 -GENERAL.
1.01 SL'-INLARl
A. The General Conditions and all other Contract Documents for this proieet are
complementary and applicable to this Section of the Specifications.
B. Work Included: Furnish all labor. materials. equipment and services necessary to
provide and construct. repair, or install the site elements, complete in place, as shox n
and specified, including.but not limited to:
1. Bulletin Board
2. Play Equipment
3. Benches
4. Picnic Tables
i. Fence
6. Boulders&.Cobbler
Rubber Surfacing
8. Filter Fabric
9. Tree Bridge
10. Friendship Globe
C. Related Work:
1. Section 03340: Site Concrete Rork
1.02 SL-B'\UTT ALS
A. Submit shop drawings where noted to the City for approval before installing any
manufactured items. v Plans shall include dimensions. color. finish. structural des-an
(custom items), and connection details. !
B. Submit catalog cuts. samples and manufacturers literature of all manufactured items in
this section to the City for approval before installation. �
1. Provide color samples.brushouts. or charts for all items. Final colors to be selected
by Cin-and a sample submitted for approval.
2. Submit Manufacturers metal primer and paint specifications for approval prior to
painting.Mfg: Sherman Williams,Benjamin Moore or approved equal.
PART 2-PRODUCTS
2.01 1LLNUFACTLRED ITEMS
A. Bulletin Board—supplied by owner
B. Play Equipment—per plans
rl Sobrarte Library Garden. 02&-0-1 Site Furnishings&Accessories
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C. Benches—per plans
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D. Picnic Tables—per plans
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E. Trash Receptacles-per plans.
F. Fence—per plans
G. Rubber Play Surfacing—pe:plans
H. Filter Fabric
1. Product shall be 100%polyester none;-oven needle-pinched engineering i
geotextile fabric; Fioar felt o:approved equal.Weight: min. M ox..sq.yd.
Install with 12- overlap on all seams.
I. Tree Bridge - per plans
2.02 'SON-NWN- TACTLMED ITE11S
A. - Boulders and Cobblers
2.03 MISCELLANEOUS NUTERLALS i
A. All other materials for site elements shall be as specified on the plans and these
specifications.
PART 3 -EXECUTION
3.01 LNSTALLATION
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A. Examination: Verify° fiat conditions are satisfactory for installation of each item. If
unsatisfactor v conditions exist_. do not bee-in installation until such conditions have been i
corrected.
B. Benches. Picnic Tables, Friendship Globe and Trash Receptacles
1. Install directly into new concrete. Use manufacturer's recotnrnended
connections. ,
C. Play Equipment& Safer-Surfacing
1. Contractor to confirm all saf tv clearance.
'. Install safer•surfacing and equipment per manufacturers recommendation.
3. Coordinate installation of drainage system with safety surfacing and play
equipment.
D. Bulletin Board
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1. Contractor to submit shop drawings oil footing design. i
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El Sobrante Libral-Garden 028-0-2 Site Furnishings Accessones
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E. Boulder&Cobblers
1. County Representative to review final selection and placement of Boulders and
Cobblers.
3.02 Gti GRANTEE
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A. At completion of proiect. Contractor shall provide Cin-with written guarantee from each
manufacturer identinine the nature of warrant-for each product component.
B. Contractor shall provide Cite with two ('_) bound maintenance manuals identifying each
piece of equipment on manufacturers recommended maintenance program including.but
no:limited to.daily.weekly. and monthly check lists.
C. Contractor to provide City with minimum of two (2) gallons each type and color of paint
used on apparatus with recommended surface preparation and application guidelines. i
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END OF SECTION 02800 i
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El Sobrante Libras-Garden 028 0 3 Site Furnishings&Accessories
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SECTION 02900
LANDSCAPE PLANTING
PART 1 -GENERAL
1.01 RELATED DOCUMENTS:
A. The General and Supplementary Conditions and General Requirements apply to the work
herein specified. i
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1.02 DESCRIPTIO\:
A. Work to be Included:
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1. Furnish and place soil amendment and mulch in all future planting areas. I
'-. Furnish all sod.
:. Furnish all labor, equipment and materials necessary for the installation of sod.
B. Related Work Described Elsewhere:
1. Irrigation: Irrigation system shall be installed and operative before beginning
planting operation.
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2. Drainlines and Utilities: Contractor shall full-acquaint himself with the existing
conditions particularly in reference to underground piping. Any damage caused
by the Contractor to work of other trades shall be repaired by him at no cos:to
the Owner's Representative.
Eanhwork: Close coordination shall be maintained with those Contractors
performing rough grading operations and installing utilities and pavement to
insure proper riming of the work.
1.03 REQUIREN ENTS OF REGULATORY AGENCIES:
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A. Perform work in accordance with all applicable laws. codes, and regulations required by
the Contra Costa Count}• and any other authorities having jurisdiction over such work.
Provide for all inspections and permits required by Federal. State. and local authorities in
furnishing,transporting. and installing materials.
C. The following documents form a pan of these specifications to the extent stated herein.
Unless otherwise indicated. use the issue in effect on the date of request for quotation.
Bring any conflicts between specifications. drawings. and the referenced documents to i
the attention of the Owner. in writing. for resolution before taking am• related action.
'Where differences exist between codes and standards. the one affording the greatest i
protection shall apply.
lmericar.Sod Producers Association %RSP_J
Ell Sobrante Libran-Garden 02900-1 Landscape Planting
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ASPA Guideline Specifications to Turfgrass Sodding
1.04 QL°ALITl ASKRANCE:
A. Sod Producer: Company specializing in sod production and harvesting with at least
years'experience. and certified by the State of California.
B. Instalier: Company approved by the sod producer.
C. Sod: With root development that will support its own weight.without tearing. when
suspended vertically by holding the upper two comers. V i
D. Regulatory Requirements: Comply with regulatory agencies for fertilizer and herbicide
composition.
1.05 SLBNUTTALS:
A. Furnish 6 copies of manufacturers'literature for the following items:
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1. Fertilizer
?. Mulch
B. Provide anah•siS from an approved testing laboratory for:
1. Fix Bite Soil
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C. All submittal data shall be forwarded in a single package to the O-wner's Representative
within 60 days of award of the contract.
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D. Submit certificates.product data, and test report in accordance with section 01300 i
"Submittals."
E. Sod Certificates:
Grower's statement of arasS varieties in sod and source.
Proof of State of California approval or certification.
F. Product Data: Sod seed varier-mix proposed.
G. Soil Test Repo: A soil test shall be taken in the area receiving sod and a report
submitted giving the recommendations for amending the soil for optimum growing
conditions. Take test samples in accordance with testing lab procedures. Send a copy of I
this section with the samples to the testing lab.
H. Subcontractor shall submit an installation and maintenance program to the Owner
Representative within 1 month of the award of the Subcontract for all types of sod.
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El Sobrante Librax-Garden 02900-2 Landscape Planting
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1.06 SAMPLES AND TESTS:
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A. Owner's Representative reserves the right to take and analyze samples of materials for
conformity to specifications at any time. Contractor shall furnish samples upon request
by O«nner`s Representative. Rejected materials shall be immediateiy_ removed from the
site at Contractor's expense. Cost of testing of materials not meeting specifications shal_
be paid ov Contractor.
1.09 PROTECTION OF E3USTLIG PLS\TS TO REND:
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A. Do not store materials or equipment. permit burning. or operate or park equipment under !
the branches of any existing plant to remain except as actually required for construction
in those areas.
B. Provide barricades. fences or other barriers as necessary at the drip line to protect
existing plants to remain from damage during construction.
C. Notify 0wner's Representative in any case where Contractor feels grading or other
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construction called for bv°Contract Documents mav-damage existing plants to remain.
D. If existing plants to remain are damaged during construction, Contractor shall replace
such plants of the same species and size as those damaged at no cost to Oxvner's
Representative. Determination of extent of damage and value of damaged plant shall rest
solely with O«ner's Representative. I
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1.10 DELIVERY, STORAGE,A_ND IEL-%NDLLNG
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A. Sod shall be harvested. delivered, and transplanted within a period of 36 hours unless a
suitable preservation method is used. Deliver sod in rolls. Protect exposed roots from
dehydration.
B. Do no.deliver more sod than can be laid within 24 hours.
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PART 2-PRODUCTS
2.01 EXISTING TOPSOIL
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A. Existing Topsoil: Exisimg site soil shall be free of weeds and amended after rough
grading operations are complete per specifications and recommendations of soils repon j
specified in subsection 22.01.B below.
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B. Subcontractor shall arrange and pay for testing of existing site soil by Soil and Plant
Laboratory, Santa Clara, CA(408) '2_-03 30 or approved equal.
The soils recommendations shall be considered a pan of this specification. I
2.02 SOIL AMENDMENTS:
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E Sob.-ante Li'orary Garden. 029003 Landscape Plan-dog
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A. Shall be seterminaed from the approved soils analysis and recommendations results.For
bidding purposes assume:
\itrogen Stabilized Organic Amendment: 6 cubic yards per 1,000sq. feet conforming to: i
Physical Properties: 95%-100%passing, sieve size 6.35mm `.,a", 80%-1001/ passing.
sieve size 2.38mrn\o. 8. 8 mesh and 0%-30%passing. sieve size 500 micron leo. 3- 32
mesh. V
Chemical Properties:'Nitrogen Content dry weight basis—0.4-0.6°o iron—maximum 3.5
millimhos centimeter a 2i degrees C. as determined by saturation ext axt method: ash—
0-6.0%.
6-20-20 Commercial Fertilizer: 1-5 pounds per 1.000 sq. feet i
Magnesium Sulfate (Epsom Salts): 10 pounds per 1.000 sq feet
Soif Sulfer: 10 pounds per 1,000 sq. feet
2.03 PRE-EMERGENCE WEED CONTROL TREATMENT i
A. Pre-emergence weed control: Rhone-Poulenc Chemical Co.. `Chipco Ronstar G,"Dow
Eianco "Surflan," or approved equal. i
2.04 PLkN-TLNGFERTELIZER
A. Shall be determined from soils analysis results performed by Soil and Plan:Laboratory,
Santa Clara, CA. (408-727-0330).For bidding purposes assume:
Preplanting Fertilizer: Per Soil Amendment Section 2.02 above. (For bidding purposes
only: substitute fertilizer recommended in soils report per 2.01.13)
Postplanting Fertilize_: Dry commercial ready-mixed material. produced in pelleted or
granular form: uniform in composition and free flowing.
Anal sis shall be 17-13-5. At least 50% of total nitrogen shall be derived from ureafor-
maldehyde. (For bidding purposes only: substitute fertilizer recommended in soils report
per 2.01.13)
B. Soil Amendment: Ground fir-baric particles: 1.5% maximum proportion of 1 4-inch
particles. Material shall be nitrogen stabilized and salinity level shall not exceed 3.5.
2.0- SOD
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A. State approved or certified by State of California.
B. Lawn Sod: shall be composed of"Medallion- dwarf garden carpet by Pacific Sod (800- I
692-8690 or 800-942-55296) or approved equal.
C. No-Mow- Sod: shall be composed of"Dwarf Tali Fescue mix by Pacific Sod (800-692-
8690 or 800-942-5296) or approved equal
2.06 ACCESSORIES
A. Edging: Redwood headers per the drawings.
El Sobrante Lferan-Garden 02900-4 Landscape Planting
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B. Nater: Clean. fresh, and free of substances or matter which would irizibit vigorous
Broxvth of Brass.
2.07 ILARVESTI\G SOD
A. Machine cut sod at uniform soil thickness of 5 S to 3-`4 inch (16-19 mm). '_Measurement
for this-kness shall exclude top growth and thatch.
B. Cut individual pieces of sod to supplier's standard width and length. Maximum
allowable deviation from standard widths and lengths shall be = 1:2 inch (13 mm) of
width and 5% of length. Broken pads and tom or uneven ends will not be acceptable.
C. Standard sections of sod shall be strong enough to support their own weight and retain
their size and shape when suspended vertically from a firm grasp on upper 10% of the
section.
D. Before harvesting. mots sod uniformly to a height of between 1 and 2-1`2 inches
(25-6-5 mm)
2.08 TOP NI LCH: Recycled wood product—see plans.
2.09 NVATER SOIRCE:
A. Nater source shall be provided by Owner's Representative. Contractor shall protide
cansport as required.
PART 3-EXECUTION
3.01 EXAINILIATION i
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A. Verify that prepared soil base is ready to receive the work of this section.
B. By beginning the work of this section. Subcontractor warrants it has examined and i
verified that the existing conditions are in accordance with the provisions of preceding
paragraph of subpart 3.01.
3.02 SOIL PREPARATION
A. Subcontractor shall receive site graded to —0.10 ft. of finish _grades shown on .he
drawings.
Allow for depth of soil amendments and sod in determining the difference between
finished subgrade.
Verin- that subgrades are not compacted. Do not proceed until detrimental conditions i
are corrected.
B. Prior to placing soil amendment or doing any planting.
clear the areas of weeds.roots. debris.rocks. and underground obstructions_.
and construction debris to a depth acceptable for planting.
El Sobrant--Library Garden 02900 Landscape Planting
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Scarify the subgrade to a=" minimum depth prior to placing amendments.
3.03 A_NIE\-DL;G TOPSOIL
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A. Incorporate and till 6 cu v&1000 sq ft of amendment into the top 6 inches (150 mrm
minimum of the soil for all landscape area. (Ratio for bidding purposes only; substitute
quantity indicated in the soils report.)
3.04 FERTILIZLN G
A. Uniformly apply fertilizer in accordance with manufacturer's instructions at a rate of
10 lb. 1,000 sq ft. (Ratio for bidding purposes only; substitute quantity indicated in the
soils report.)
B. Apply after soil amending and prior to installation of sod.
C. Apply fertilizer no more than 48 hour before laying sod.
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D. Mix thoroughly into upper 2 inches(50 mm)of topsoil.
E. Lightiy water to aid the dissipation of fertilizer.
3.05 LAYING SOD
A. Planting Time:
\o sod shall be placed when soil is excessively wet or dry, or in any other unsatisfactory i
condition.
Place sod immediately afterre aration of sodbed. At time of sodding, soil shall be
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enable, and moist but not muddy. with the top 2 inches (50 mm) cleaned of stones or
debris over 1 inch (25 mm) in any dimension. Soil surface shall be smooth and free of i
irregularities.
Lae sod within 24 hours after harvesting to prevent deterioration.
B. Placing Sod:
Place sod strips «ifr•_ staggered end joints and without stretching, in such a manner that
edges will firmly abut edges of adjoining strips.
On slopes. begin sodding at bottom and progress upward. Place strips perpendicuiar to
direction of surface drainage wherever practical. I
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Joints between sod and in-place improvements such as curbs. walks. and existing turf.
shall abut tightly and.be flush such that drainage will be conducted over surface.
Elsey;-here. outside edges of sod bed areas shall b---rolled or banked flush with soil. and �
thoroug'nl-compacted to form a flush surface. i
C. Immediately after placement.roll or tamp sod to provide firm contact and bond with sod
bed, and provide a smooth even surface.
El Sobrante Library Garden 02900-6 Landscape Planting
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3.06 CLEANING �
A. Clean up daily during progress of work and at completion.
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B. Remove from project site surplus materials and any debris resulting from turfing i
work.
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C. 'neatly dress and finish turfed areas and clean adjacent areas of any debris.
3.07 NIAL\TEN A-\CE OF LA«1 SOD
A. Assume responsibility for proper care of turfed areas from time of completion of turfing
operations to the end of the subcontract. '
B. Costs of resodding required because of fault-operations or negligence on part of j
Subcontractor shall be borne by Subcontractor. I
C. Watering: Rater turfed areas immediately after planting and thereafter as necessary to
maintain adequate moisture for promotion of deep root growth. Apply water in such a
w•ay that ruts will not be made in soil surface.
D. Fenilizino: Within -5 days of inspection and acceptance of turf.uniformly apple post-
planting fertilizer at rate 10 lb 1.000 sq ft. (Ratio for bidding purposes only: substitute
quantities indicated in the soils report.)
E. Mowing: Mow-turfed area to an average height of 2-l!2) inches whenever height of grass
reaches 4 inches until the end of the subcontract.
F. Protection: Provide temporary protective fences.barriers. and signs where deemed
necessary-by Owner.
G. Resoddins: -When directed by Owner. Subcontractor shall resod anv areas on which sod
is presumed dead:has been damaged. displaced, or weakened to point where its I
replacement is necessary: or has become heavily infested with weeds. j
H. Resoddins shall be performed as specified herein for sodding, and in a manner that will
cause minimum disturbance to existing stand of grass.
3.08 ACCEPTANCE
A. Upon written request by Subcontractor, Owner will inspect turf areas.
B. At time of inspection.turf shall exhibit healthy,-igorous growth, shall be uniform in i
color and ouaiit°, and shall be reasonably free of weeds. diseases, or other visible
imperfections. i
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C. Any turf areas not accepted by Owner shall be resodded.
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D. Upon final acceptance of a turf area.remove temporary fences.barriers. and signs
installed for protection of that area. Subcontractor will be relieved of further
responsibility for care and maintenance of accepted area.
El Sobrante Library Garden 0'-'900-- Landscape Plant;ns
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3.09 SOIL PREPARATIO\: i
A. The Contractor shall prepare all landscape areas for planting. In the areas designated for
lands.-aping on the pians, he shall, prior to placing imported material or replacing
existing topsoil, clear the areas of weeds. roots, debris, rocks, and underground
obstructions, and construction debris to a depth acceptable for planting.
B. Cultivation and Placement of Amendment:
1. In areas to be planted with s rubs cultivate to a depth of 12". Incorporate cubic
yard quantity per 1000 square feet of nitrified fir bark fertilizers and minerals
recommended in the approved soils lab report, Section 2.01.
3. Areas within the driplines of existing trees shall be hand cultivated.
3'0 PLANTLNGAREAS: I
A. Planting:
1. mulch all landscape areas areas with 2" laver.
3.11 CLEA_X UP:
A. Keep all areas of work clean and neat at all times. Upon completion of planting. all
cans. boxes, and other debris that is a part of the planting operation shall be removed i
from the site.
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B. All pavements shall be washed off. and site shall be left in an absolutely clean condition. j
All planting areas shall be cultivated and weed free before final inspection. Clean-up I
operations shall take place throughout the course of work so that walks and drives are
clean at all times.
3.12 INSPECTIONS:
A. '.notification: The Contractor shall notify the County a minimum of -2 hours before �
requiring an inspection.
B. Should it be determined at the Final Acceptance visit that any punchlist item is
incomplete, any further review of the site will be terminated until all items are
guaranteed, in writing,to be complete by the Contractor.
ECD OF SECTION 02900
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E1 Sobrante Library Garden 02900-8 Landscape Planting
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SECTION 03340
SITE CONCRETE WORK �
PART 1 -GENERAL
1.01 SCOPE:
A. Provide concrete walks. vehicular paring, driveways, curbs, gutters, handicap ramps,
flagstone paving and precast monoliths,complete and in place.as shown and specified. The
work includes but is not limited to:
L Final subgrade preparation and paving base
Concrete paving.
3. Concrete footings for pedestal &Plaque. i
1.02 RELATED DOCUMENTS: �
A. The General Conditions of the Contract, including General and Special Provisions and
General Requirements apply to the work in this section. �
B. Related Work:
1. Section 02200:Earthwork-
Section
arthworkSection 02110: Clearing, Grubbing and Demolition
3. Section 02810: Irrigation System i
1.03 QUALTTY"ASSLRC CE:
A. Materials and methods of construction shall comply with the following standards:
1. American Society of Testing and Materials, (.ASTM).
2. American Concrete Institute,(.ACI).
3. Contra Costa Countv Standard Specification. Section 73.
4. State Standard Specifications. California Department of Transportation.
4i. American National Standards Institute,(ANSI).
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6. Bar Area Air Quality Management District, Sandblasting Guidelines.
B. 'Maintain field records of time, date of placing, curing and removal of forms of concrete in
each portion of work. y I
C. Samples: i
1. Sample panel: Before ordering material for concrete and flagstone paving work.
provide sample panel, minimum 2' x 2' of each color and finish, using specified
materials. Show color.texture,pattern, edging, and joint treatments.
a. Where applicable,the approved sample panel may be a portion of the
work and remain in place. Location as directed by the Landscape
Architect. Contractor will be required to provide additional panels as i
necessary, until approved. i
El Sobrante Children's Reading Garden 03340-1 Site Concrete Work
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1.04 SUBMITTALS
A. Submit concrete mix designs to Citi•. Obtain approval before placing concrete.
B. Product data:
1. Submit complete materials list of items proposed for the work. Identi fi materials
source.
2. Submit admisturz, curing compound,retarder, and accessory item product data, if
used. y
3. Submit material certificates for aQQregates, reinforcing, and joint fillers.
4. Submit samples of flagstone and grout color to be used.
C. Submit concrete delivery tickets. Show the following:
1. Batch number.
2. Mix by class or sack content with maximum size aegxeaate.
3. Admixtures.
4. Slump.
�. Time of loading.
D. Submit concrete test reports.
1.05 DELIVERY,STORAGE X-ND H.4\'DLPgG:
A. Work notification: Noti&Cin•Public Works at least 24 hours prior to installation of
concrete.
B. Establish and maintain required lines and grade elevations. All concrete shall slope to
drain with no ponding of water.
C. Do not install concrete work over wet, saturated,muddy.or frozen subarade.
D. Do not install concrete when air temperature is below 40 degrees F. Use of calcium
chloride, salt, or any other admixture to prevent concrete from freezing is prohibited.
E. Protect adjacent work. I
F. Provide temporary barricades and warning lights as required for protection of project work
and public safety.
PART 2 -PRODUCTS �
2.01 i\LXTERL-kLS
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A. Portland Cement: ASTM C150. T�pz 1. natural color, unless otherwise noted.
B. aggregate: Provide ASINI C33 normal weight aggregates, 3!4" maximum size. clean,
El Sobrante Children's Reading Garden 03340-'_ Site Concrete Work
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uncoated crushed stone or gravel coarse aggregate free of materials which cause staining
or rust spots: fine aggregate shall be clean natural sand. y
C. Rater: Clean, fresh. and potable.
D. Water-reducing admixture: ASTMS C494. i
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E. Latex Portland Cement Grout: ANSI A108.10. Color of grout to blend with toned i
concrete. Submit sample for review. y
F. Concrete Admixtures and Color Additives: Custom color by L.M. Scofield,as approved
b} the Landscape Architect.
2.02 -NEMES:
A. Provide Class A ready-mixed concrete. Batch mixing at site not acceptable.
1. For all other site concrete: Use Portland Cement Concrete containing not less
than 564 pounds of Portland Cement per cubic yard,with a compressive strength
of not less than 3000 p.s.i.
B. Indicate water added to mix at job site on each delivery ticket. Shoe-quantity of water
added. Site water tempered mixes exceeding specified slump range will be rejected as not
complying with specification requirements.
2.03 ACCESSORIES:
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A. Granular base: Class II Aggregate Base.
B. Forms: Wood or metal of sufficient strength to resist concrete placement pressure and to
maintain horizontal and vertical alignment during concrete placement. Provide forms
straight, free of defects and distortion, and height equal to full depth of concrete work.
1. Provide 2" nominal thickness, surfaced plank wood forms for straight sections.
Use flexible metal, 1" lumber or plywood forms to form radius bends.
C. Joint Filler: ASTM D1761,premolded non-extruding asphalt-impregnated fiberboard,
thickness indicated.
D. Curing compound: ASTM C309,non-yellowing, non-staining liquid membrane-forming
type containing a fugitive dye. Chlorinated rubber compounds not acceptable for exterior
use.
E. Joint Sealants: Two-components polysulfide or polyurethane elastromeric hpe complying
with FS TT-S-00227, self-leveling,designed for foot traffic.
F. Reinforcing steel: ASTM A615,A616. or A61-. Grade 60. new domestic deformed steel
bars.
G. Welded wire fabric: ASTM A18?, gelded plain cold-drawn steel.vire fabric a.sindicated.
El Sobrame Children's Reading Garden 033=30-3 Site Concrete Rork
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H. Form release agent: Non-staining chemical form release agent free of oils. .vases, and
other materials harmful to concrete. i
I. Provide all stirrups,ties. anchors. shown or required to be cast into precast member.
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J. Bolts.Nuts.and Washers: ASTM A307. Provide hot-dip galvanized fastener for exterior i
use. Paint to match adjacent metal work.
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PART 3 - E_XECtiTION
3.01 L\SPECTION:
A. Examine subgrades and installation conditions. Do not start concrete work until
unsatisfactory conditions are corrected.
3.02 PREPARATION:
A. Proof roll the subgrade and do all necessary rolling and compacting to obtain firm. even
subgrade surface. Fill and consolidate depressed areas. Remove uncompactable
materials,replace with clean fill and compact to 90% of the maximum dry density in
accordance with ASTM D1_�J�7-70.
B. Provide minimum 3" depth of compacted base material at walks. Compact base to 95%of
the maximum dry density in accordance with ASTM D1 557-70.
C. Remove loose material and debris from base surface before placingconcrete.
D. Install. align. and level forms. Stake and brace forms in place. Maintain following grade
and alignment tolerances:'
1. Top of form: Maximum 1 8" in 10'-0".
2. Vertical face: Maximum %" in 10'-0".
E. Coat form surfaces in contact with concrete with form release agent. Clean forms after
each use and coat with form release agent as necessary to assure separation from concrete i
without damage.
F. Install, set, and build-in work furnished under other specification sections. Provide
adequate notification for installation of necessary-items.
3.03 PLACL\G REL FORCEIIENT:
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A. Place all reinforcement as shown on the drawings. Place accurately and securely fasten
and support reinforcement to prevent displacement before or during pouring. Hang
footing bars from forms. Support wire mesh with suitable metal cradles.
B. Clean, bend and place reinforcement in accordance with current requirements of the ACI
Manual of Concrete Practice.
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El Sobrante Children's Reading Garden 03340-4 Site Concrete Work �
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C. Reinforcement Splices: i
WI-Ided wire fabric- one mesh minimum.
Reinforcing bars-24 bar diameter minimum, except as otherwise noted.
3.04 L�STALLATION:
A. Concrete placement: 1
1. Comply with ACI 304 "Recommended Practice for Measuring. Mixing.
Transporting, and Placing Concrete', and as specified.
2. Protect concrete from physical damage or reduced strength due to weather
extremes during mixing, placing, and curing. In cold weather comply with:SCI
306,"Recommended Practice for Cold Weather Concreting'. In hot weather
comply with ACI 305, "Recommended Practice for Hot Weather Concreting'.
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3. Moisten base to provide a uniform dampened condition at the time concrete is
placed. Verify structures are at required finish elevation and alignment before '
placing concrete.
4. Place and spread concrete to the full depth of the forms. Use only square-end
shovels or concrete rakes for hand-spreading and consolidating operations to
prevent segregation of aggregate and dislocation of reinforcement.
5. Place concrete in a continuous operation between expansion joints. Provide
construction joints where sections cannot be placed continuously.
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6. Place concrete as indicated on the plans in one course,monolith construction, for I
the full width and depth of concrete work.
T Strike-off and bull-float concrete after consolidating. Level ridges and fill voids.
Check surface with a 10'-0" straightedge. Fill depressions and refloat repaired
areas. Darby the concrete surface to provide a smooth level surface ready for
finishing.
B. Joints: '
1. Provide expansion joints using premolded joint filler at concrete work abutting
curbs,walls, structures, walks, and other fixed objects. !
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a. Locate expansion joints as indicated.
b. Install joint fillers full-width and depth of joint. Recess top edge below
finish grade for joint sealants.
c. Provide joint fillers in single lengths for the full slab width, whenever I
possible. Fasten joint filler sections together when multiple lengths are
required.
d. Protect the top edge of the Joint filler during concrete placement.
EI Sobrante Children's Reading Garden 03340 Site Concrete Work
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e. Brooming. After the curing period, expansion joints shall be carefull
cleaned and filled with approved joint sealant to just below-adjacent
paved surface in such a manner as to avoid spilling on paved surfaces or
overflow from joint. V
C. Finishes:
1. Broom Finish: Shall be obtained by drawing a stiff bristled broom across a floated
finish. Direction of brooming to be perpendicular to direction of work- or
otherwise shown on drawings. I
D. Curing: y
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1. Cure concrete with a clear,non-staining liquid membrane-forming compound.
Spray apply in accordance with manufacturer's recommended coverage rate.
Apple curing compound immediately after completing surface finish.
3.05 TESTING: �
A. Provide slump test on first load of concrete delivered each day and whenever requested
due to changes in consistency or appearance of concrete.
3.0' PROTECTION:
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A. Protect concrete work from damage due to construction and vehicular traffic until Final
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acceptance. Exclude construction and vehicular traffic from concrete pavements for at
least 14 days.
B. Protection: Protect precast concrete items from chipping, spalling, cracking, or other
damage until the Work is accepted by the Owner.
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3.08 CLE--A-NLN1G: ;
A. Perform cleaning during installation of the work and upon completion of the work.
Remove from site all excess materials, debris. and equipment. Repair damage resulting
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from concrete operations. �
B. Sweep concrete sidewalks and pavement,wash free of stains, discoloration, dirt, and other
foreign material immediately prior to final acceptance. !
E\-D OF SECTION 03340
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El Sobrante Children's Reading Garden 03340-6 Site Concrete Rork i
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PROOF OF PUBLICATION
(2015.5 C.C.P.) r,
SATE OF CAL FOrIA IA /� r
Co.:nty of Contra Costa
I am a ctizen of the United Stases and a resident of the
County aforesaid; I am over the age of eighteen years, 1
and not a party to or interested in the above-entitles
matter.
i am the Principal legal Clerk of the Contra Costa Times,
a newspaper o: general circu:at or,, panted and published i
at 2640 Shade!a,)ds Drive ir. the City of Wa;nut Creek,
County o` Contra Costa, 94598.
And tshich newspaper has been adjudged a newspaper of
genera' circu ation by the Superior Court of the County of
onva Costa. State of California. under the date of
October 22, 1934. Case Number 19764.
Tne notice, of which_he annexed is a printed copy ;set in
type no: smaller than nonpareil!, has been published in
each regular and en::re issue of said newspaper and not
in any sipplement Clereof on the fol owing dates, to-a it:
Dec 26.
a1. it the year of 2CC8
I ce::fy for declare) under peralty of perjury that the
foregoing is true and correct.
Executed at 1'a'nut Creek. California.
On:his 4 ca,,of Jan;ary . 2007
r
Signature
Contra Cosfa Tiroes
P 0 Box 4:47
Walr.it Creek, CA 94596
;9251 935-2525
Proof of Pub'icat.on of:
;_attached is a copy of the legal advertisement that
pub.ishedi
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NOTICE TO
CONTRACTORS
Notice is hereby g vori by
order of the Boartl of Su-
pervisors of Contra Costa
Country.that the Director
of Gene-al Services win
receive ads for the fur-
nishing of all'abor,mate-
ria s.
ate-rias. equprnent. trans-
portation and services
Tor:
CHILDREN'S READING
GARDEN,4191 APPIAN
WAY,EL SOBRANTE I
Authorization No.
W WG469
Bid proposals shall be I
sealed and shall be sub-
mitted to the Director of
General Services, Capital
Projects Management Di-
vision Office,1220 Morello
Avenue,Suite 300,Marti-
nez 94553-4711,on or be-
fore the 25th day of Janu-
ary.2007 at 7-00 it n.and
wort be opened •n publ;c
immediately after the
time due in the Capital
Protects Management Di-
vision Conference Room.
1220 More!'o Avenue,
Suite 100. Martinez, Caii-
fornia 9 553-4711.
The estimated construc-
tion cost is S-21.0LC-00-
The prime contractor for
this pro,ect shall hold a
valid Class A Genera! En-
gineering Contractor li-
cense.
The work involves in-
prove-ren-s to an exist-
ing 0.15 acre parcel of
land ad,acent to El
Sobrante library, and in-
cudes selectve demoli-
tion, grading. Iandscap-
irri concrete, drainage,
nisninion and site fur-
nishings and pray struc-
tures.
Each bid is to be in ac-
cordance with the draw-
ingsend sueciflcations
on file at the Cffce of the
Clerk of the Board of Su-
pervisors. F.rst Floor,
County Administration
Building.651,Pine Street,
Martinez.Ca'domia.
The drawings and specifi-
cations may be examined
at tie County Capital
Projects Management D:-
vsion office,1220 More':o
Avenue.Suite 100, Marti-
nez.Caiifornia 94553-4711.
Drawings and spedfica-
tions(not including docu-
ments included by refer-
ence) and proposal
forms. may.be obtained
by prospective bidders at
the County Capital Proj-
ects Management Divi-
sion office,upon payment
of a printing and service
charge In the amount of
$
35.00 (sales tax includ-
ed) which amount sha;l
not be refundab:e. Draw-
Ings and specif"cations
may be ordered by mail
for an additional shipping
and handling fee of
$10.00. Cash purchases
are to be for the exact
amount only. Checks
shall be made payable to
The County of Contra
Costa' and may be '
mated to the Cap!tal
Projects Management Di-
vision. 122C More a Ave- !
nue. Suite 10C. Martinez.
Calito-nia 94553-4711.
The Capital Projects Man-
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agement Divis:on does
not guarantee the arrive,
of the d.rawings and spec-
ifications in time fo-bid-
ding- Draw_ngs and spec-
ifications will not be sent
overn'gnt man. No parcel
setts will be'ssued.
Prospective bidders may
obta:n copies of the
CoLnty-s io of contrac-
tor pan holders on t:ie
web at
http://www.co.contra-
costa.ca.us/depart/gsVp
lanhold/P:anH o!d Li st.h:m
(updated daily at 4:00
P.m.). or by Calling the
Capful P injects Manage-
ment Division at (925)
313-72CO,or by subnit-ing
a written request via FAX 1
No. (925) 313-7299. Re-
quests for copes of tie
Pan holders to cannot
be accepted after 5:00
p m.of the day before the
bids are due.
Technical questions re-
S5arding the contact
tlocuments should be di-
rected to the Capital Prof- -
ects Management Divi-
sion at teleahone number
(925)313-7200.
Each bid sha-i be made
on the b'd form .issued
wth the specifcations.
and must be accompa-
n.ed by bid security in the
form of cash, a cert!f ed
check,cashier's check,or
bid bond in the anount of
tet! pe-cent(1C%) of the
base bid amount, made
payab:e to Tie County
of Conte Costa".
The bid security shall be I
givenas a guarantee that
the bidder will enter into
a contract if awarded tie
work.and will be forWt-
ed by the bidder and m-
tained by the County :f
the successful bidder re-
fuses.negtects or fats to
enter into said contract
or to famish the necessa-
ry bonds and insurance
certificates after being i
requested to do so by the
County.
Bidders are hereby noti-
Eed that secu.itles may
be suis:ituted for any
conies withneld by the
County of Co-itra Costa to I
ensure performance un- i
der the construct an con-
tract.in accordance with
Pubiic Contract Code Sec-
ton 22300 and the Gener-
al Conditions of the Con.
tract. Sucn securities
shall be va.ued by the
County Treasurer-Tax
Collector whose decision
shall be I'mal. A.so,types
of securities which are
not I:sted in Govemmen_
Code Section 1643C or
Public Con:aC--Code Sec-
tion 22300 mist be ap-
proved as et:P!ble for in-
vestment udder Pub':c -
Contract Code Section
22300 by the Counts
Treasurer-Tax Collector
before Did opening. Un-
less such securities are
prequalified before bid
opening,they shall not be
accepted by the County
as security.
The successful bidder will
be required to fLm'sh a
Payment Bond in an
amount equal to one hun-
Q-ed percent (10C%) of
the Contract price and a
Faithful Performance
Bond in an anount equal i
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to one hundred percent
(107%) of the Contract
price. said ponds to be
secured from as admitted
surety insure-authprized
by the Insurance Com-
missioner to transact
business of insurance in
the State of Califo-nia-
Each bond s`iall be issued
on the fora set forth in
the specifications.
B'dsers are hereby noti-
fied that pursuant to the
Statutes of the State of
California, or Iota: law
apolicaole •hereto, the
said Board has obtained
the general previa;"ng
rate of per diem wages
and rates for legal holi-
days and overtime work j
in tome locally in which
this work is to be per.
formed for each type of
worker or mechanic -e-
qu;md to execute the
cont-act which will be
awarded to the Success- j
ful bidder. The prevailing
rate of per diem wages is
on file with the Clerk of
the Board of Suoervisors.
The Contra Costa County
Board of Supervisors en-
courages opportunities to
develo and suppport Mi- i
nority Business Ente-n-is-
es (MBEs). Women Bus:
ness Enterprises (WSEs).
Small Business Ehte-3';s-
es(SBEs),Local Business
Enterprises (LBES), and
Disab,ed Veterans Busi-
ness Enterprises(DVBEs)
by providingoppgcun
ties for partic pabon in
the performance of con-
struction contacts fi-
nanced in whole or in
Zt with Cocn}• funds-
E. W3E, SBE,LBE,and
DVBE defnitiohs and de-
tailed infornaVon are in-
cluded in Divsion E of the
Specifications. A pnt-bid
conference will be held
on January 3,2007,at 2-DO
P".in the Contra Costa
County Capital Projects
Management Division of-
fice,1220 Morello Avenue,
Suite 100,Martinez,Cali-
fornia. Discussion will
cover recommended out-
reach efforts, resources
and any other suh,ects of
interest to attendees.
The said Board reserves
the right resect any and
all bids or
any potion ofy
any bid audio:any
bid
any
irregularity s pay bid re-
ceived. n for
may not be i
wit-id-awn far a penes eof
t
fo days after the dare Set
for opening thereof.
By:EMY L. SHARP
DEPUTY
Dated December 12,2C06
ul
Le al CCT 7296
Zish December 26.
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PROOF OF PUBLICATION
(2015.5 C.C.P.)
STATE OF CALIFORMA i
Ccanty of Contra Cosa
I am a citizen of the Un;ted States and a resident of the
County aforesaid; I am over the age of eighteen years,
and no; a party to or interested in the above-entitled
matter. )
I
I am the Principal Legal Clerk of the Contra Costa Times,
a newspaper of general circulation, printed and published
at 2640 Shadelands Drive in the City of Walnut Creek,
County of Contra Costa, 94598.
And which newspaper has been adjudged a newspaper of
general circwaticn by the Superior Court of the County of
Contra Costa, State of California, under the date of
October 22, 1934. Case Number 19764.
The notice, of w�hch the annexed is a printed copy (set in
type not smaller than nonpareil), has been published in
each regular and entire issue of said newspaper and not
in any supplement thereof cn the fallowing dates,tc-wit: j
Dec 26,
all in the year of 2006
1 certify (or declare) under penalty of perjury that the
foregoing is true and correct.
Executed at Walnut Creek, California.
On this 4 day `of Jan"�2
ry , 2007
...........
Signature
Contra Cosa Times
P 0 Box 4147
Walnut Creek, CA 94596
(925) 935-2525
Proof of Publication of:
(attached is a copy of the legal advertisement that
puolishedl
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Legak" s
<ccHegals pcctim .. .
es.c S�. Re C :READ .v G. .R
om>
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_ .RARE .___._ __._ ARRA___.-_._ ARRA ___ARRA_.: __- _- __- __ _ ..--_
2:7--
Good _o
Anashia
legal Adverzising
125
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LEGAL P- BLIC_aTIO\ REQUISITION y,
`; _ Contra Costa County
FROM: Clerk of the Board TO: Contra Costa Times
I
651 Pine St.:_ Room 106 P.O. Box 4718
Pine Street. Martinez 94553 Walnut Creek, CA 94596
E-:%1A1L. ectlebals irccctimes.com
FAX No. 925-943-8359
Requested by: EMY L. SHARP Date: DECEMBER 12 , 2006
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Phone No.: 925-335-1903 Reference No.: 2030
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Org.:�Q Sub Object: 2190' Task: SAS Activity: a/4/ 5446
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Publication Date (s) DECEMBER 26 . 2006
No. of Pages: (3)
LEGAL PUBLICATION CHILDREN' S READING GARDEN, 4191 APPIA\ WAY
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EL SOBRA\IE
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e-nail i
YY Immediately upon expiration of publication.
send in one affidavit for each publication in
order that the auditor mai be authorized to paN you bill.
.authorized Signature-( j
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Please confirm date of publication and receipt of this fax.
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-NOTICE TO CONTRACTORS
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Notice is hereby given by order of the Board of SuperxlSO1'5 of Contra Costa Count that the
Director o General Services vx ill receive bids for the furnishing of a,l labor. materials.
equipment. tiansponation and services for i
CUILDRE\'S READING GARDEN. 4191 APPLA R-AY. EL SOBR NTE
Authorization\o \X-XV0469
Bid proposals shall be sealed and shall be submitted to the Director of General Services. I
Capital Projects Management Division Office. 1220 Morello Avenue. Suite 100. Martinez
94-453-4'11. on or before the 2=th day of Januarv. 200- at 2:00 p.m._ and will be opened in
public immediately atter the time due in the Capital Projects Management Division Conference
Room. 1220 Nforko Avenue. Suite l ,C, Xfaninez_ California 9-15 5 JL4-11.
The estimated construction cosi is S12.'J'" 0,10
The prime ao m-actor for this project shall hoid a valid Class A General Engineering Contractor
license.
Tl e \york in\olves improvements to an existing, 101.15 acre parcel of land adjacent to El Sobrante
library. and includes Selective demol:tron. grading_ landscapina. concrete. drainage_ 11T.gation
and site furnishings and play structures
Each bid is to be in accordance with the dra\yings al.d specifications on file at the Office of the
Clerk of the Board of Superx isors. Fust Floor Count_ Adminisnmation Bt:ildin_. 65,1 Pine Street.
Martinez. California.
The dravying; and specifications may be examined at the CourtV Capital Projects Management i
Division ottice. 122,_, Mor.-Ho Avenue. Suite P-21 Martinez. California 945�53-4-1L Drawinas
and specifications (not including documents included by reference) and proposal forms. may be
obtained b\ prospective bidders at the COnnt\' Capital Projects Management Division office.
upon payment of a printing and service charge in the amount of S35.00 (sales tax included)
which amount shall not be refundaNe. Drawings and specifications may be ordered by mail for
an additional shipping and handling fee of 510.00. Cash purchases are to be for the exact
amount only Checks shall be made sayable to "The Count- of Contra Costa" and ma\ be
mailed to the Caaital Projects Management Division. 1221 Morello Avenue. Suite 11 i-. Maninez.
California The Capital Pro efts \iar.agement Division does not guarantee the
arrivai of the d:avxings and specifications in tinle for bidding. Drawings and specifications willnot be sent overnight mail. No partial sets will be issued
Prospective bidders ma, obtain copies of the Count's log of contractor plan holders on the web
at hup ..i xk co.contra-costa.ca us depvart asd planhold°PlanHoldListhtm (updated daily at :00
p.m.). or b,,- callim? the Capital Projects Management Division at 925 113-72061.20 . Or by
Submitting a x%rltten request via FAX No. (9C`-) 3-13-729-0 2 Requests for copies of the plan
ho:ders log cannot be accepted after ; C-10 p.m of the day before the bids are due_
Technical questiorls regarding the contract documents Should be directed to the Capital Projects
Management Division at telephone number (92=) 313--2 0
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Each bid shall be made on the Lid form issued \x ith the specifications. and must be accompanied
bv bid securit in the form of cash. a certified check. cashier's check. or Lid bond in the amount
of ten percent ( 10%) of the Lase Lid a111011nt. made payable to "The Count of Contra Costa"-
T1 e bid security shall be aiv en as a guarantee that the bidder will enter into a contract if a.x aided
the work. and «ill be forfeited b.- the bidder and retained by the Count- if the successful bidder
re=uses. neglects or falls t0 enter into said contract or 10 furnish the necessary bonds and
Insurance certificates after being requested t0 do s0 by the Count-. '
Bidders are hereby notified that securities may be substituted for anv monies withheld by the
Count,,- of Contra Costa to ensure performance under the construction contact. in accordance
with Public Contract Code Section 223100 and the General Conditions of the Contract. Such
securities shall be valued by the Count: Treasurer-Tat Collecfor. whose decision shall be final.
Also. types of securities Which are not listed in Goyernmen- Code Section 104301 or Public
Contract Code Section 2231,.0, must be approxed as eligible for investment under Public Contract
��
3� _
Code Section ___��� by the Counts- Treasurer-Tax Collector before Lid opening Unless such
securities are prequ--1 hied before bid opening. they shall not be accepted by the County as
seCnrity.
The successful bidder will be required to famish a Payment Bond in an amount equal to one
hundred percent ( 161019o) of the Contract price and a Faithful Performance Bond in an amount
equal t0 one hundred percent 11 "'" ,1 of the Contact price. said bonds to be secured from an
admitted curet\ insurer authorized bx the Insurance Commissioner to transact business of
insurance in the State of California Each bond shall be issued on the term set forth in the
specifications
Bidders are hereby notiheu` that pulSUant t0 the Statutes of the State o- California. or local laxv
applicable thereto. the said Beard has obtained the aene:-al prevailing rate of per diem wages and
rates for legal nolidays and ox ert me Rork tri the locality in which this work is to be performed
for each type of xvorker or mechanic required to execute the contract which will be awarded to
the successful bidder. The prevailing rate of per diem wages is on file with the Clerk of the
Board of Supervisors
The Contra Costa Count- Beard of Supervisors encourages opportunities to develop and support
Minorit Business Enterprises (\1BEs1. Women Business Enterprises (WBEs). Small Business
Enterprises (SBEs). Local Business Enterprises (LBEs). and Disabled Veterans Business
Enterprises (DVBEs) by providing opportunities for participation in the performance of
construction contracts financed in xhole or in part with Count funds. N1BE. RBE. SBE. LBE.
and DVBE definitions and detailed intorrha:ion are included in Division E of the Specifications
A pre-bid conference will be held on January 3. 2007. at 2:00 p.m.. in the Contra Costa
Count- Capital Projects Management Division office. 1220 Morello avenue. Suite 100.
Martinez. California. Discussion will corer recommended outreach efforts. resources and ani
other subieca of:merest to attendees. I
The said Board reserves the right to reject am and all ��ids or an portion of any Lid and or waive
any in-eYularit in anv bid receiv ed Bids mai not be w ithdr a"P. for a period of 6Cr da._s after the
date set for opening thereof
By: Evil'L. SHARP DEPUTY
Dated: DECEMBER 1 '_QQ(J
PUBLICATION DATE(S) DECEMBER 26. 21)(,6
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