HomeMy WebLinkAbout4166-8CONCRETE �
2. All liquid curing compounds shall be used in accordance with the manufacturer's
4.02 INSPECTION OF WORK AREAS
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recommendations and shall not be used on surfaces receiving concrete
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Inspect related Work and adjacent surfaces for completeness,
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4.10 DEFECTIVE CONCRETE
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Correct conditions detrimental to a proper and timely completion of the Work.
1;.01 WORK INCLUDED
. A Concretel whil'ch Is not lh accordance with these specifications, out of line, level, or plumb;
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4.03 OBSERVATION
OF MASONRY WORK I
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� I Work lNudes, but is not limited to the following: ,Furnish all labor and materials, appliances, toola,
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: t dclurpMent, facill'ItIft trar�sp6rtatlon, and setvlce� necessary for installing all concrof6 work complete as
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11 reiritbrcirig or other dAMaged surfaces shall bei considered as defectIV6.
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Perform all rnasonry. Work under continuous observatloh by the Landscape Architect and/or Owner's
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. � I I [�af�a ! �dd on thei dtaWlr* and specifications ihcrudHg, but not limited to:
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0. All lines ai�id IrregNIaritles shall be removed froni exposed concrete surfaces while the
repr6senfattve.
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I A. Flurnish and set all reinforcing steel, bolts and anchors.
coHcretd 10 still gi�*en� Where'pafchlhg, 1`6 requireck all loose and unifdrm concrete shall be
rern6v6d orfor td pafchin�c% I
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4.04 PREPARATION � . � I . I .
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; I D, Install aD iterbs required by other tradft which are to be cast Into concreta
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4.11 CONCRETE F0411SHES
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Previously praced,doncrete or Tasonty-: Clean of encrustations, laitance, oil and coatings
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which v�outd( reduc4 b6nd1l, ftsl� Work tlhbro`6ghl� Mh �vat6r under pressurw, leave
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a Concrete mow curbs� banding poured in place waft, other flatwork, footings,
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surface6 damp W'hero masonry
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I � pans'a6d 9Nbs for: walls, fbncln§� benches, controllers, decks, elb., wherei
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Flat surf" shall be SOTooded To tffe rdq4ired levels an.d slopes and then any excess water or laitance
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removed 06ncrete shall bb 6or�pabfed, i�ith a grid tAm and then floated to a true and'tevet surface within
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Masonry units': Tho�oughl�, Cie Ain of dust gream oil, or other matter which would reduce
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-h a( 4ch siralg�fedde, ntractor shalrensurd positivd drainag,6 on all
the foleran0o of I A�Iric pro A iO �. I
ll'atwork. Sbo Ptins for domtte llnlbh iii landstape aroAs!
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PA -1- , 2 G ENEBA L
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EXPANSION JOIN�s
C.
Wetting Do not wet concrete block units before Installation.
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All requirements of subsection 3.31, standard specifications for Public Works Construction, shall apply
4.12
D.
Reinforcement. Clean off excess mill scale� loose rust, oil and coatings which would
excepi as specified herein.
Placement of expansion I . pints shall be ai5 directed and determined by layouts of slab markings noted on
reduce bond. Secure anchor in place.
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dr�wlhgs. Expansion joint rnal6rial 01��I� be P'oty Foam, or approved equal, or as noted on Plans. Expansion
1
Z1, INSPECTION OF SITE
joints shall be recessed 6 ne� h *oryl fi I h surta6e it
I quarter [hc n a nd sealed with a bead of grey thiokol sealant
4.05 PLACING
REINFORCEMENT
or equat. Silica sand to match concrete shall then be tamped into thlokol bead.
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Examine related work and surfaces before starting work in this section. Report to the Landscape Architect
-color
A.
Place reirilbreement in accord with ACI 531,
in vviriting, site conditions which will prevent the proper provision of this work. Beginning the work in this
4.13 CONTROL JOINTS,
,
section without reporting unsuitable conditions to the Landscape Architect constitutes acceptance of site
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a.
Place all reinforcement and embeds prior to grouting.
corlditions by the Contractor. Any required removal, repair, or replacement of this work caused by
Control joints and other edges sh6II be formed in fresh concrete using a clean edging or jointing tool to
unsuitable conditions shall be done at no additional cost to Owner.
provide a smooth uniform finish.
C.
Reinforcing steel, except dowels in other Material. A
2.2 PROTECTION OF EXISTING CONDITIONS
4.14 PROTECTION
1. Vertical bars: Continuous from bottom cell to top of wall, centered in cells,
except where otherwise indicated. Secure vertical reinforcement in position at
Contractor shall acquaint himself with all site conditions. He shall take necessary precautions to protect
All finished concrete work shall be barricaded to pedestrian traffic for three (3) days. Barricades shall be
top, bottom and at intervals not farther apart than 192 bar diameters. Where
necessary, hold vertical steel firmly in place by frames or other suitable devices
existing site conditions. Should damage be incurred, this Contractor shall repair damage to its original
placed immediately after concrete finishing. Contractor shall furnish, place and remove all of his own
as accepted by Architect.
condition or furnish and install equal replacement at his own expense, to the satisfaction of the Owner.
barricades.Contractor shall be responsible for any damage to new construction and replacement of repair of
the work shall be made without added cost to Owner.
2. Horizontal bars: Wire temporarily above exact position and tag to indicate
2.4 COORDINATION
4.15 PATCHING
correct locations. Use calibrated vertical bars where indicated, wired to vertical
.
bars or dowels.
A. Cooperation On -Site; Coordinate and cooperate with other contractors to
If patching is necessary and permissible, a bonding agent such as Weld -Crate, or equal, shall be used.
enable the work to proceed as rapidly and as efficiently as possible.
3. Accurately splice using lap of bars as indicated on drawings with a minimum of 40
4.16 CONCRETE CURBS
bar diameters.
B. Work With Other Trades; Coordinate with General Contractor items of other
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4. Tie at intersections using No. 1 6 gauge annealed wire.
trades to be furnished and set in place. Such portions of their work as all or in
Construct concrete curbs at locations shown on Plans as detailed, true to line and grade, as approved by
part embedded, buift-in, attached to, or supported by the work shall be
the local County or City, Use natural grey Portland cement concrete, 2000 PSI compressive strength.
4.06 MORTAR
AND GROUT
executed by them in ample time that progress of the work is not delayed.
Locate expansion joints as detailed or shown, and as directed, at intervals not to exceed fifteen feet (15').
Any cutting or patching made necessary to comply with this injunction shall
Finish with steel trowel, then brush with bristle brush parallel to face or edge.
A.
Mortar: Type S in accord with UBC Chapter 24.
be done at the Contractor's expense.
4.17 CLEAN-UP
1. Color: As indicated on plans.
2.5 APPROVAL
Upon completion of all concrete work and before final acceptance, Contractor shall remove all tools, surplus
B.
Grout: In accord with UBC Chapter 24, with exception that lime shall not be used.
Wherever the terms "approve," "approval," or "approved" are used in the Specifications, they mean approval
materials, apparatus, debris, etc., from the site and the site shall be left in a clean, neat condition
acceptable to Owner.
of the Landscape Architect, the Owner's Representative or their field representatives, or in writing.
C.
Dispose of mortar and grout not used within 30 minutes after leaving mixer. Retempering
PA_ RT 5 - WARRAN
of mixture will be allowed in accord with UBC Chapter 24.
2.6 SUBMITTALS .
D.
Mortar and grout minimum compressive strength:
At least 1 0 days after award of contract, Contractor shall submit for approval samples and/or
In addition to manufacturers' guarantees or warranties, all work shall be warranted for one year from the date
of final acceptance against all defects in materials and workmanship by contractor. Warranty shall also
1 Mortar: 28 days 1,800 psi
manufacturers' latest catalog cuts and specifications of the following prior to beginning work. Approved
cover repair of damage to any part of the promises resulting from defects in materials and workmanship to
.
sarnples shall be standards for completing work.
the satisfaction of the Owner.
2. Grout: 28 days 2,000 psi
A. One 2 -ft. x 2 -ft. x 2 -in. sample for each type of concrete finish and color at the job site.
END OF SECTION
E.
After all ingredients are in the batch mixer, mix mechanically for not less than three
B. Color samples for expansion joint compounds.
minutes. Do not use hand mixing unless specifically acceptable to Project
C. All submittal data shall be forwarded in a single package to the Landscape Architect within
CONCRETE UNIT MASONRY AND STUCCO SURFACING
Superintendent.
1 5 days after award of the GeneralContract unless otherwise approved by the Landscape
4.07 WORKMANSHIP
Architect and/or Owner's Construction Representative.
PA BT I - S= OF-
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A.
Preserve unobstructed vertical continuity of cells to be filled. Fully bed webs and
2.7 SUBSTITUTIONS
.
1.01 WORK INCLUDED
crosswalls forming such cells in mortar to prevent leakage of grout.
A. Standards; Specific reference to manufacturers' names and products spec I ified in this
Furnish all labor, tools, equipment, materials, transportation, and perform all operations necessary and
B.
Fractional parts of masonry units are prohibited where whole units can be used. Chinking
section are used as standards; this implies no right to substitute other material or
incidental for the proper execution and completion of all concrete unit masonry in accordance with the
of interstices with fragments will not be allowed. Provide special units as necessary to
methods without written approval of the Landscape Architect.
Drawings and Specifications including, but not limited to, the following work items:
form openings and lintels.
B. Approval; Installation of any approved substitutions is Contractors's responsibility. Any
A. Pilasters (Stuccoed where applicable)
C.
Do not construct any part of any masonry wall more than 6 feet higher than adjoining
changes required for installation of any approved substitution must be made to the
portions.
satisfaction of Landscape Architect and without additional cost to Owner. Approval by
B. Walls (Stuccoed where applicable)
Landscape Architect of substituted materials and/or dimensional drawings do not waive
D.
Where absolutely necessary, for construction purposes to stop off longitudinal runs of
these requirements.
C. Masonry Barbeques (Stuccoed where applicable)
masonry, stop off only by racking back one-half unit length in each course. Toothing
shall not be permitted.
PA R T_ .9 - MA TE -B 1A L .13
1.02 RELATED WORK
E.
At openings for ducts, pipes and conduit built into masonry walls, cut to form fractional
Materials shall be of first quality and of domestic manufacture as noted below:
A. Furnishing and placing rebar.
units with abrasive saw.
A. Portland cement shall conform to ASTM -C 1 50, Type I or Type I 1.
B. Concrete placement.
F.
Align vertical cells to maintain continuous unobstructed cell area.
B. Concrete aggregate shall conform to ASTM -033. .
C. Stucco application.
G.
Set units with joints straight and uniform in width,
C. Water shall be clean, free from strong acid, alkali, oil or organic matter.
RA R T 2 - G EIVERA L
4.08 JOINTS
AND COURSING - EXPOSED MASONRY
D. Admixture for all formed concrete shall be SIKA Chemical Corp.'s "Plastiment", or
2.01 PERMITS& INSPECTIONS
A.
Joints: Raked as exposed masonry and flush with stuccoed; concave tooled with brick.
approved equal, applied in strict accordance with manufacturer's directions.
B.
Bond: Common running bond, unless otherwise indicated.
E. Reinforcement: reinforcing steel ASTM -A15 and ASTM-A305.Wirefabric: ASTM -A185
Obtain necessary City Building & Safety Department permits and inspections.
C.
Joints: 3/8 inch wide.
F. Forms:
2.02 APPLICABLE STANDARDS
D.
Keep all areas to be grouted free from mortar so that grout will contact foundation.
1 . Lumber shall be "construction grade" Douglas fir.
Any reference to the "Standard Specifications," "ASTM," or "ACI" manuals shall mean the current or latest
editions.
E.
Perform tooling or raking when mortar is partially set but still sufficiently plastic to bond.
2. Plywood for forming of concrete which is exposed shall be Plyform. All plywood
Use a tool which compacts mortar, pressing excess mortar out of joint rather than
used for forming shall be at least 5/8 -inch thick and edge sealed.
A. Standard Specifications: Standard Specifications of the State of California, Business and
dragging it out.
Transportation Agency, Department of Transportation, CALTRANS.
G. Expansion joint filler shall conform with ASTM -D1 751 (premolded).
F.
Rake out joints which are not tight at time of tooling, point and then tool - where applicable.
a. Standards:
PA ST 4 -EXECUTI
G.
Butter vertical head joints well for thickness equal to face shell of unit and shove these
1 . ASTM - American Society of Testing and Materials.
joints tightly so that mortar bonds well to both units. -
4.01 CONCRETE DESIGN MIX
2. ACI - American Concrete Institute, Manual of Concrete Practice.
1 . Fill joints solidly from face of block to at least depth of face shell.
A. Contractor assumes responsibility for the design mix and guarantees the specified
2.03 INSPECTION OF SITE
H.
Set lintels, capping units and bearing plates in a full bed of mortar.
ultimate strength as indicated or specified herein.
Examine related work and surfaces before starting work in this Section. Report to the Landscape Architect
1.
Control joints shall be as detailed. Apply sealant, where required, in accord with plans
and specifications.
B. Concrete, minimum 28 -day ultimate strength shall be 2000 PSI.
in writing site conditions which will prevent the proper provision of this work. Beginning the work in this
C. Ready -mixed concrete shall conform to ASTM -C94.
.
Section without reporting unsuitable conditions to the Landscape Architect constitutes acceptance of site
conditions by the Contractor. Any required removal, repair, or replacement of this work caused by
4.09 GROUTING
unsuitable conditions shall be done at no additional cost to Owner.
4.02 CONCRETE PROPORTIONS & CONSISTENCY
A.
Fill all masonry cells containing reinforcing steel solidly with grout.At finished course, stop
2.04 PROTECTION OF EXISTING CONDITIONS
grout one-half the course height below top of last course grouted.
A. The proportions of aggregate to cement shall provide a dense mixture which will readily
work into all comers of the forms and around all reinforcements without any segregation of
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Contractor shall acquaint himself with all site conditions. He shall take necessary precautions to protect
B.
Keep mortar dropping out of or remove from grout space before grouting.
the materials, cause excess free water to collect on the surface or cause excessive
existing site conditions. Should damage be incurred, this Contractor shall repair damage to its original
C.
Puddle grout or vibrate in place.
bleeding of the forms.
condition or furnish and install equal replacement at his own expense, to the satisfaction of the Owner.
B. The recommended practices of the American Concrete Institute shall be followed inall
2.05 COORDINATION
D.
Grout bolts and anchors inserted in wall solidly in place so that there s a minimum of 1 inch
applicable procedures. The maximum slump shall not exceed (4") four inches for footings,
of grout between bolt and masonry unit, unless otherwise indicated.
slabs on grade, and mass concrete; 5 inches for foundation walls.
A. Cooperation onsite; Coordinate and cooperate with other contractors to enable the work to
E.
Set bolts, frames and inserts necessary for attachment of subsequent Work must be
4.03 CONCRETE APPROVAL
proceed as rapidly and as efficiently as possible,
secured in place prior to grouting.
B. Work with Other Trades; Coordinate with General Contractor items of other trades to be
The concrete quality, proportions, consistency, etc., is subject to the approval of Owner, and no changes
� furnished and set in place. Such portions of their work as all or in part embedded, built-in,
4.10 POINTING AND CLEANING
shall be made without prior written approval,
attached to, or supported by the work shall be executed by them in ample time that
progress of the work is not delayed. Any cutting or patching made necessary to comply
A.
Immediately remove from exposed surfaces surplus mortar, grout, foreign material, and
4.04 FORMWORK
with this injunction shall be done at the General Contractor's expense.
stains.
A. Forms for concrete work shall be either metal or wood, Forms that are warped or that do
2.06 FINAL ACCEPTANCE
B.
Defective joints: Point holes or defective mortar joints in exposed masonry and cut out
and repoint defective joints. Replace chipped or broken masonry units.
not have a smooth straight upper edge shall not be used. Forms shall be set with the
upper edge of the board true to line and grade and shall be staked rigidly in place with
A. Review; Review for Final Acceptance shall be held in conjunction with the final review of
stakes set not more than four feet (4') apart so as to remain immovable throughout the
Section 4-A & B, Planting and Construction.
C.
Staining and excess mortar: Protect exposed masonry against grout staining. Where
grout or mortar does contact the faces of masonry, remove it immediately. Should
construction. All forms shall be approved by Owner within a tolerance of one percent
(1 %). All materials shall be accurately and separately weighted and mixing shall continue
B. Acceptance; Work under this Section will be accepted by Landscape Architect upon
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accidental spillage occur, wash and clean surfaces immediately with a 10% muratic acid
until the distribution of material is uniform and the mass of concrete is homogeneous.
satisfactory completion of all work. Upon Final Acceptance at the end of the maintenance
and water solution, followed by a thorough water rinse. Remove stains where they occur.
period, including backlilling of walls, Owner will assume responsibility for maintenance of
B. Two and one-half (2 1/2) gallons of water per cubic yard, shall be withheld from the mix at
the work. Said assumption does not relieve Contractor of obligations under Warranty.
D.
Clean efflorescence from masonry with specified cleaner in accord with cleaner
manufacturer's instructions.
the plant, and all or a portion may be added to the mix at the job site as directed by the
Inspector, The concrete shall be mixed at least 5 minutes after such water is added and
not less, than 3 minutes of this time shall be immediately prior to the discharge of the
RA R T_ 3 - MA TE -8 LA L S
E.
After wall in constructed, do not saturate with water for curing or any other purpose.
batch. Total mixing time after adding original water shall be at least 15 minutes.
Materials shall be of first quality and of domestic manufacture as noted below:
4.11 STUCCO SURFACING
C. Concrete which is not placed within 90 minutes after the introduction of cement and water,
A. Concrete masonry units: ASTM C 90, Grade N-1, hollow, normal weight lad bearing units.
and concrete which has stood for 30 minutes after leaving the mixer, shall not be used.
A.
Wood Framed Walls:
1. Types and sizes: As indicated on drawings.
4.05 REBAR
1 . Stucco shall be three coat work not less then 7/8" thick.
2. Color: As indicated on Color Schedule.
Reinforcing bar shall be spliced with 40 bar diamers minimum overlap.
B. Portland cement: ASTM C 150, Type I or Type I 1.
(a). Scratch coat shall be approximately 1/2" thick. Before the scratch coat
has set, it shall be well cross -scratched to provide a strong bond and
4.06 CONVEYING AND PLACING
damp cured for at least 48 hours.
C. Aggregates:
(b). Brown coat shall be 1/4" thick. When brown coat has set sufficiently it
A. Before pouring, all forms shall be thoroughly cleaned and made tight. The bottom of
trenches shall be wet down before pouring footings; earth shall not be muddy at the time of
1 . Sand: ASTM C 144, clean, hard, strong, durable, free from injurious amounts of
shall be floated with a dry float to form a bond for the finish coat. Brown
coat shall be applied no sooner than 48 hours after application of
pouring. Concrete shall not be placed until reinforcements, rough hardware, and forms are
saline, alkaline, organic or other deleterious substances, with not less than 3
percent by weight passing No. 100 sieve.
scratch coat. Scratch coat shall be dampened evenly before
approved by Owner.
application of brown coat to provide even suction.
B. Before depositing new concrete against old concrete, all laitance shall be removed, and
2. Pea gravel: ASTM C 404, worked and graded with no more than 5 percent passing
No. 8 sieve and with 1 00 percent passing 3/8 inch sieve.
(c). Finish color coat shall be approximately 1 /8" thick and shall be applied
the surfaces roughened to expose the embedded aggregate, The surfaces shall then be
and damp cured strictly in accordance with the manufacturer's
covered with cement grout, using the specified mix with 1/2 of the course aggregate
omitted, 1-1 /2 inches thick.
D. Water: Clean, portable, from domestic supply.
directions, and city and local governing bodies.
C. Conveying and placing of concrete shall be done so as to prevent separation of
E. Hydrated lime: ASTM C 207, Type S, and containing 85% by weight of calcium oxide.
2, Stucco shall be Merlax, La Habra or approved equal as per color selection by
Landscape Architect.
ingredients, and in no case shall the free fall exceed 6 feet. Trornies shall be used as
required. Surfaces of concrete shall be kept reasonably level, with a minimum amount of
F. Admixture for grout: Material acceptable to Architect. Obtain acceptance from Project
Supervisor prior to use.
3. Packaged material shall be delivered in the original packages, containers or
concrete being allowed to flow after being placed. Placing shall be performed as a
bundles bearing the name of manufacturer and the brand name.
continuous operation until each section is completed.
1 . Use according to manufacturer's printed instructions. Secure manufacturer or
4. Texture to be rubber float finish (scrub coat) or as approved by Landscape
D. Concrete shall be spaded and vibrated with mechanical vibrators to a maximum
distributor initial supervision by a qualified field representative to assure proper
use of admixture.
Architect. 5. All exposed foundations shall receive one application of finish color
subsidence, without separation of ingredients. The moving of concrete by vibration will
not be permitted.
G. Mineral color pigments: Pure ground mineral non -fading oxides, lime and alkali proof.
coat to match building color.
Colors as selected by Landscape Architect where applicable.
6. All stucco shall be water proofed up to three feet above finish grade with
4.07 COLORED CONCRETE
H. Cleaning material: Sure Klean No. 600 detergent, by Process Solvent Co., Inc., or
Thompson's Water Sealer or equal.
Integral color and Dust -On color hardner shall be as specified on plans and details.
equivalent.
B.
Block Walls
4.08 GROUTING .
1. Expansion joint filler: ASTM C 1751.
1 . Stucco shall be two coat work not less than 1/2" thick.
A. Grout shall be composed of one part Portland Cement and two parts of fine aggregate by
J. Sealant materials: As noted on plans.
(a). Brown coat shall be approximately 3/8" thick. Float with a dry float to
volume. Materials shall be mixed dry and water added just sufficient to make the mixture
K Submit Catalogue Cut Cernentillous waterproofing material.
. I form a bond for the firish�coat-
. '.
flow under its own weight.
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B. For dry tamp cement grout, a minimum of water shall be added to the mix so that when wet
L. Vertical expansion joints: In concrete masonry wall construction shall be a minimum 20'-
010 apart, Use breaking bond whether for, exposed or stuccoed masonry wall work.
(b). Finish color coat shall be approximately 1 /8" thick and shall be applied
and damp cured. strictly in accordance with the manufacturer's direction
.
sample is squeezed hard in the hand, surface moisture, but no free water, shall appear on
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including city and governing bodies
the sample. Do not mix more than can be used in 30 minutes.
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PEA al, 4 - EXE-CUTION
2. co ror arv� man u%ctu ror shall W selected and approved by Landscape Architect.
4.09 CURING AND PROTECTION
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Each item of Work shall include excavations for fbundatl6ris'and fo6tingso, concrete masonry block,
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3. Deliver packaged material in original packages bearing the manufacturer's and
A. All exposed surfaces of concrete shall be protected from damage due to temperature,
deformed bilret-steel bars, Douglas Fir wood grant, stucco finishing and backfilling clean-up to the
satisfaction of the Owner.
brand names.
elements, and construction operations.
4.01 LAYOUT
4. Texture as called out on plan or I. P. field approval.
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a Curing shall be as follomi
;
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1. All exposed surfaces of concrete shall be protected form premature drying and! I
.
All walli� are to be staked in the 1161'd lot top ol footim top ot, walk pirigthi of walls and all steps in walls, on
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tN fod0ge, lafo stakedr In't'he fle'ra Any changes 6Ydov1atZnsi` which add or d6f6te Concrete block
51 All exposed foundation shall receive one application of finish color coat to match
buildirig color.
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freshly placed concrete shall be protected against wash by rain. All concrefe
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09 will be corrected'dr a0pKpv,ed. b� Project S�perfn*derrt and adit'isted by drawings submitted and
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shall be kept wet for a period of ten days after placing. In order that curing,water,
.
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app(oveO by LancNcdpe Arcoftd a I Flibjo6t S6porrhtendent. Any o�erages will be per square footAineal
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I rriay reach both surfaces of walls, the forms shall be loosened and wat6r 0all 60;
foot unit cost, I
O.Oured over the tops of the Walls and allowed to run down betOv4en thei coricr64
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4.12 CLEANUP
All subcontractor's materials andtools of the trade shall be removed from the job site upon completion of
work. Subcontractor shall be responsible for damage to the finished surfaces of other work. Subcontractor
guarantees all work will be performed in a good and workmanlike
manner. :
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PART 5 - WA BE RAN . ,
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In addition to manufacturers' guarantees or warrantIM All work shall be warranted for orvo yeeii, ftm the Ats
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of Final Acceptance against defects in materials a6d workmanship by dontfaidb It. War4ntM� shall A* covei��
repair of damage to any part of the premises resulting from defects in mat6riwig and wOrkirriiris-bip to the
satisfaction of the O*ner. I
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F_ND dF SECTION I � �
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SITE CARPENTRY . i
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P -A R T 1 - SWEE OF I
Contractor shall provide all materials and work necessary to furnish and install complete and in place all site
carpentry work shown on the Drawings and Specifications herein.
1.01 WORK INCLUDED
Perform all work necessary and required for the construction of wood structures and devices as indicated
on the Drawings. Such work includes, but is not limited to, the followlng�
A. Miscellaneous light form work
B. Stairs
C. Decks
D. Headers
E. Overhead structures
1.02. RELATED WORK IN OTHER SECTIONS
The following items of associated work are included in other sections of these Specifications:
A. Painting
RA R T_ 2 - GEBEBA L
2.01 SUBMITTALS
Submit color samples of all samples of all paints and stains to Landscape Architect for approval, 1 0 days
prior to application.
2.02 STORAGE & HANDLING
A. Storage; Lumber shall be stored in neat stacks at the site unless it is to be used
immediately. All lumber shall be piled so that ft may be readily inspected and shall be
handled in a manner that will avoid injury or breakage.
B. Piling Wood/Protection; Structural timber shall be neatly piled on skids above ground and
shall be protected from the sun when necessary to prevent warping. Treated lumber shall
be handled with rope slings. Cant hooks, peaveys, or other sharp instruments shall not be
used in handling treated timber. Undue injury in handling will be cause for rejection.
R T - Ad4 TEBIALS
A. Grading standards; Redwood shall be in accordance with "Standard Specifications for
Grades of California Redwood Lumber" graded under the rules of the Redwood Inspection
Service.
B. Lumber:
1 , All lumber shall conform to the allowable characteristics permitted within the
applicable grading rules. No splits, checks, holes, decay or other irregularities
will be permitted except those characteristic of that grade.
2. Unless otherwise indicated on Drawings or Specifications, lumber shall be either
redwood construction heart and /or douglas fir, resawn, with no exposed
sapwood.
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3. Header; Construction heart grade redwood header and stake, where applicable.
SAS or roughsawn as detailed,
C. Hardware:
1 . Galvanized; All hardware required for fabrication, including brackets, hangers,
hinges, fasteners, and nails shall be hot -dip galvanized. Screws, nuts, bolts,
and washers shall be hot -dip galvanized or cadmium
plated.
2. Additional Hardware; When shown on the plans and in addition to hardware,
structural members fabricated from steel, concrete, or other materials shall be
incorporated into the structure.
PART 4 - EXEC UMN
4.01 QUALITY
Workmanship shall be first-class throughout. All lumber shall be accurately cut and framed to a close fit and
shall have even bearing over the entire contact surfaces. All joints shall be square and tight unless
otherwise shown. No shimming will be permitted in making joints. Work shall be free of hammer marks,
dents or other disfiguration. Nails to be seated flush unless otherwise shown, Unless otherwise indicated
on Drawings, countersink finishing nails 1 /16 inch. Unless otherwise indicated on drawings, holes for
countersunk bolts shall be bored with a bit 1/6 inch larger than the accompanying washer and to a depth
which allows bolt head to be secured flush with finish surface of wood member. Holes for lag screws shall be
same size as diameter of inner shank (bolt size minus depth of thread),
4.02 HARDWARE
A. All bolts 5/8 inch and less in diameter shall be fitted with cut washers, and all bolts and lag
screws over 5/8 inch in diameter shall be fitted with cast or malleable iron washers, unless
otherwise shown on the plans.
B. All exposed hardware items shall be installed as hot -dipped galvanized unless otherwise
instructed on plan,
4.03 NAILING
When toe nailing of structural members is required, toe nailing shall be at an angle and penetration to firmly
secure member.
4.04 EASED EDGES
Edges of seat decks, benches, handrails, planter caps and other exposed or leading comers are to be
eased.
4.05 HEADERS
Headers are to be installed in accordance with plans and details.
4.06 CLEANUP
All subcontractor's materials and tools of the trade shall be removed from the job site upon completion of
work. Subcontractor shall be responsible for damage to the finished surfaces of other work. Subcontractor
guarantees all work will be performed in a good and workmanlike
manner.
PA R T_ 5 - WA RRA NDES
I n addition to manufacturers' guarantees or warranties, al I work shal I be warranted for one year from the date
of Final Acceptance against defects in materials and workmanship by Contractor. Warranty shall also cover
repair of damage to any part of the premises resulting from defects in materials and workmanship to the
satisfaction of the Owner.
END OF SECTION
PAINTING
PA RT_ I - SCOPE OF WORK
1.01 WORK INCLUDED
Furnish all labor, tools, equipment, materials, transportation, and perform all operations necessary and
incidental to proper execution and completion of all painting work in accordance with the Drawings and
Specifications, Such work includes, but is not limited to, the following:
A. Handrails
B. Miscellaneous metals
C. Wood overhead structures
D. Decks
E. Fencing
1.02. RELATED WORK IN OTHER SECTIONS
I
The following items of associated work are included in other sections of these Specifications:
A. Shop paint of steel materials and miscellaneous metal items
2.01 SUBMITTALS
Before beginning work, prepare for approval a sample of each color and finish required. Such samples,
when approved, shall constitute standards for color and finish for acceptance of completed work. Samples
shall be made upon materials corresponding with those to be finished on the site. All work shall match the
approved colors and samples. Submit samples to the Landscape Architect 15 days prior to construction for
approval.
2.02 PRODUCT HANDLING
All painting materials shall be delivered to the site in the manufacturers' original containers with labels intact
and seals unbroken. They shall be stored in a safe place, in accordance with current local regulations. All
necessary precautions shall be taken to avoid danger of fire.
2.03 ENVIRONMENTAL CONDITIONS
Surfaces shall be painted only when they are free from moisture. No painting of exterior surfaces shall be
done less than 72 hours after a rain, nor during periods of dew or fog. Receiving surfaces shall be properly
dried out before proceeding with the work. No painting shall be done when temperature is below �O degrees F.
2.04 SCAFFOLDING AND PROTECTION
Furnish, maintain and remove all scaffolding and ladders required for this work, and all drop clothes for the
protection of walks, fixtures, or other surfaces not to be painted. Painted and finished surfaces subject to
.
damage or defacement shall be properly protected and covered. Contractor shall be ret I f ' ny and
. Nrvs 616 or a
'
4
all damage to painted work, and to that of other work caused by operations under this Section. part 3'
materials
3.01 MANUFACTURERS
A. Materials are specified by brand names to establish a standard of quality. The Landscape
Architect will consider substitutions for brand names of products specified, provided the
procedures set forth for substitutions and submittals are followed. The Landscape
Architect reserves the right to reject any material which, in his opinion, will not produce the
quality of work specified herein. The term "paint" as used herein 101clud6sonarrie),
r
OMhr* varnishes, emulsions, lacquers and sealers. The folloWng mariuf�ctul`6 f1d
�
products and numbers constitute the standards for the primer and flni�h doatsi'of the paint
I .
h4einalter specified: I I
I . Primer: Federal Specification TT -P-86, Type 11 (red lead/alkyd type) or TT -P -W
(zinc chromate type) to be compatible with finish coat
�
2. Finish Coats: Enamel, paini, stain, varnishes, emulslon6, lacquers and sealdirg I
shallbe as specified on plans and details
.
3.0:2 COLOR A14D LIFE OF FINISH
.
I
A. Colors shall be selected by Landscape ArchRed. Owner reserves the rIgI`it to change
I
dolors to match and/or contrast building colors up to and Including time of execUllom
a Color of all surfaces finished under this Section shall, at the end of one year, have
remained from serious fading, and no variations will . be allowed. All materials shall then
have adherence to the end of one year, and there shall be no evidence of blistem
running, pealing, seating, chalking, streaks or strains at the end of this perl�d,
3.03 MATERIALS FOR GENERAL USE
Thinner, linseed oil, or other solvents required shall be as recommended by each manufacturer for his
respective product
PART 4 - EXECLI
4.01 SURFACE PREPARATION
A. Painting: No painting or finishing shall be started until the surfaces to be painted or
finished are in proper condition in every respect. Surfaces that cannot be properly
prepared by the painter for finishing shall not be painted or finished until they are rectified,
unless instructed otherwise by the Landscape Architect.
B. Cleanliness: Surfaces to be painted shall be clean and free of dirt, dust, and any other
substance which might interfere with the application of the paint. All surfaces to be
painted shall be in proper condition to accept, and assume the proper adhesion and
functioning of, the particular painting or coating specified.
- C. Notification: Surfaces which cannot be prepared or painted as spedified shall be
immediately brought to the attention of the Landscape Architect. Starting of work without
such notification will be considered acceptance by Contractor of the surfaces involved.
Contractor will be required to replace any unsatisfactory work caused by improper or
defective surfaces, as directed by the Landscape Architect, at no additional cost to the
Owner.
4.02 WORKMANSHIP AND APPLICATION
A. Ouality: All painting shall be done by skilled and experienced craftsmen working under the
ble foreman. All workmanship shall be of the highest quality and to
the complete satisfaction of the Landscape Architect. All materials shall be applied in
accordance with the manufacturers' directions, and materials shall be thinned only in
compliance with the manufacturers' specifications.
B. Preparation: All material shall be evenly brushed, rolled or smoothly flowed on without runs
or sagging and free from drops, ridges, laps, and brush marks. No coats shall be applied
until any previously applied coats have thoroughly dried. Sand surfaces between coats
as necessary to produce a smooth finish.
C. Application shall be as follows:
1 . Paint: Two coats to match color of buildings - color to be selected by Owner,
2. Primer: Two coats - one coat shop applied and one coat site applied.
3. Unless otherwise instructed, all paints and primers shall be sprayed or rolled on-
site.
D. Finished Product: Completed painted surfaces shall be free of blistering, running, peeling,
scaling, streaks or stains, and the colors of all surfaces shall remain free from fading and
uniform in color.
4.03 CLEANUP AND CLEANING
A. Safety/Cleanliness: Upon completion of the painting work, Contractor shall remove from
the premises and dispose of all scaffolding and equipment, surplus material, empty
containers and other debris resulting from Contractor's operations. The site shall be left
clean and neat in all respects.
PART 5 - WA I NUES
In addition to manufacturers' guarantees or warranties, all work shall be warranted for one year from the date
of Final Acceptance against defects in materials and workmanship by Contractor. Warranty shall also cover
%Ft repair of damage to any part of the premises resulting from defects in materials and workmanship to the
satisfaction of the Owner.
TUBULAR STEEL
PAB11 U-NInLo,
1.01 WORK INCLUDED
A. Furnish and install tubular steel per plans, details and specifications.
1.02 RELATED WORK IN OTHER SECTIONS
The following items of associated work are included in other sections of these Specifications:
A. Painting
EART2 - GENERAL
2.01 QUALITY ASSURANCE
A. Ouallifications:
1 . Perform shop welding on the premises of a fabricator licensed by the City
Building and Safety Department.
�
.
2. Perform welding by welders approved and certified in accordance with
requirements of AWS.
B. Reference Standards:
I . 11AISC Steel Construction Manual".
2. 'ICode for Arc and Gas Welding in Building Construction". AWS D1.0 of the
American Welding Society.
3. "Metal Finished Manual", of the National Association of Architectural Metal
Manufacturers (NAAMM).
2.02 SUBMITTALS
A. Submit complete shop drawings to the Landscape Architect and/or Owner's
Representative for review in advance of fabrication. Show the following on the shop
drawings:
1. Show dimensions, sites, thicknesses, gauges, finishes, joining, attachments
and relationship to adjacent work.
2. Where welded connections, concrete inserts, and other items are required to
receive other work, show exact locations required.
3. For standard manufactured items, submit work sheets showing illustrates cuts of
items to be furnished, scale, details and dimensions.
2.03 COORDINATION WITH OTHER WORK
A. Examine drawings and specifications, and include all miscellaneous metal work which is
not distinctly specified in other sections.
B. Provide all connections, anchors, bolts, welding, cutting, punching, drilling, tapping or
other connecting required to fit miscellaneous metal with other work.
C. Provide items to be installed by other trades well in advance, to permit proper sequencing
and scheduling of other work.
D. Conceal all connections in the finished work, where possible, Exposed screw
connections shall be Allenhead screws matching the material they fasten.
E. Set base plate for support posts, true and plumb in concrete footing per details.
F. Protect all dissimilar metals from galvanic corrosion by pressure tapes, coatings, or
isolators.
G. After erection, clean off all rust, scale and oil. Clean field welds, bolts, and abraded
areas. Touch-up all areas with the same material as used for the shop coat, leaving all
surfaces ready to receive finish coats. Apply second coat of primer on site. ;
H. Apply one primer coat and two finish coats of exterior metal enamel to metal surfaces,
color as selected by Owner's Representative.
PART 3 - MA TERMAL-S I
Materials shall be of first quality and of domestic manufacture as noted below:
A Rolled steel shapes and steel plates: ASTM AX
94 Steel tubing,- ASTM A500 Grade A, or ASTM A501 seamless - G.A. per cletaila
I
10. Steel pipe: ASTM A5a Type E or S, Grade A or Al 20, galvanized 6" diameter.
Di. Steel boft. ASTM A307, Grade
I
I
E) Welding rods:' Conform to AWS requirements for intended use.
I
I F. Concrete inseft As indicated on the plans.
M Shop prime -coal paint; Conform to either FS TT -13-86 Type I I for red lead/alkyd type paint
�
or to FS #-P-45 for zinc chrol mate " paint (2 applications - shop & site).
i
� I
�
I
".) Touch-up for galvan! . zed surfaces: All State #321 Galvanizing Powder (XI/o tin, 30% zinc,
4ON lead and fru'x) as manufactured by All State Welding Alloys Co., or Speed Galvanized
by W. 0. L. Cb� or'equal�
L Non -shrink grout: Minl Wax Construction Products Division Por -Rock, or approved equal.
J. Metal enamiel,, FS TT -P -37C - (2 coats).
- P -A RT 4 - E X_EQ1
4.01 FABRICATION
A. Conform to the requirements of the referenced standards.
1 . For manual welding, use low hydrogen type E701 5 and E701 6 electrodes,
2. Weld preheat shall be determined from Mill Reports showing the chemical
composition of the reinforcement.
B. Shop prime all ferrous items to I mill dry coat thickness after fabrication, deburring and
grinding smooth welds and rough spots. Touch-up after installation. Leave in proper
condition to receive finish painting.
1 . Do not paint rebar and steel surfaces to be embedded in or bonded to concrete.
C. Welds shall be ground smoothly, all weld spatter removed and work shall comply with the
specifications of the "American Welding Society."
D. Subcontractor to perform all the above work in accordance with the governing plans and
specifications.
4.02 INSTALLATION
A. Miscellaneous metalwork shall be free from defects which would impair strength, durability
and appearance.
B. Erect plumb, straight, true and accurately fit in place. Brace, reinforce, and anchor in
place. Grind all field welds,
C. Provide non -shrink grouting of all frames, plates, sills, bolts and other items not
designated to be done by others.
4.03 REPAIR OF DEFECTS
A. All defective or damaged work shall be replaced, removed and repaired as directed by the
Landscape Architect or Owner's Representative at no cost to the owner.
4.04 CLEAN-UP
A. Clean-up and remove from the site all unused materials and debris resulting from the
performance of this work not less than once a week or the last working day each week. All
trash shall be removed completely from the project site.
.
B. Touchup; Contractor shall clean and retouch Contractor's work as necessary, or as
required for final approval by the Landscape Architect within 24 hours notice.
C. Unpainted Surfaces; Contractor shall leave all surfaces not to be painted, paving,
hardware, or plant materials free from any paint, stain, spatterings, smears or smudges
which are the result of his operation.
I
D. Location; Contractor shall not clean equipment and brushes or dispose of thinners, paint
or other chemicals in areas to be planted or in the vicinity of existing plants.
RA RT 5 - WA RBA NTLES
In addition to manufacturers' guarantees or warranties, all work shall be warranted for one year from the date
of Final Acceptance against defects in materials and workmanship by Contractor. Warranty shall also cover
repair of damage to any part of the premises resulting from defects in materials and workmanship to the
satisfaction of the Owner.
END OF SECTION
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SITE PLANNING
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(909) 404-28M
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