HomeMy WebLinkAbout2984-8CONCRETE
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1.01 WORK INCLUDED
Work includes, but is not limited to the following: Furnish all labor and materials, appliances, tools,
equipment, facilities, transportation, and services necessary for installing all concrete work complete as
indicated on the drawings and specifications including, but not limited to:
A. Furnish and set all reinforcing steel, bolts and anchors.
B. Install all items required by other trades which are to be cast into concrete.
C. Concrete mow curbs, banding, poured in place walls, other flatwork, footings,
pans and slabs for: walls, fencing, benches, controllers, decks, etc., where
applicable.
PART- 2 GENERAL
All requirements of subsection 3.31, standard specifications for Public Works Construction, shall apply
except as specified herein.
2.1 INSPECTION OF SITE .
Examine related work and surfaces before starting work in this section. Report to the Landscape Architect
in writing, site conditions which will prevent the proper provision of this work. Beginning the work in this
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
unsuitable conditions shall be done at no additional cost to Owner.
2.2 PROTECTION OF EXISTING CONDITIONS
Contractor shall acquaint himself with all site conditions. He shall take necessary precautions to protect
existing site conditions. Should damage be incurred, this Contractor shall repair damage to its original
condition or furnish and install equal replacement at his own expense, to the satisfaction of the Owner.
2.4 COORDINATION _
A. Cooperation On -Site; Coordinate and cooperate with other contractors to
enable the work to proceed as rapidly and as efficiently as possible.
B. Work With Other Trades; Coordinate with General Contractor items of other t
rades to be furnished and set in place. Such portions of their work as all or in
part embedded, built-in, attached to, or supported by the work shall be
executed by them in ample time that progress of the work is not delayed.
Any cuttinq or patchinq made necessary to comply with this injunction shall
be done at the Contractor's expense.
2.5 APPROVAL
Wherever the terms "approve," "approval," or "approved" are used in the Specifications, they mean approval
of the Landscape Architect, the Owner's Representative or their field representatives, or in writing.
2.6 SUBMITTALS
At least 10 days after award of contract, Contractor shall submit for approval samples and/or
manufaoturers' latest catalog cuts and specifications of the following prior to beginning work. Approved
samples shall be standards for completing work.
A. One 24 x 24 x 2 -in. sample for each type of concrete finish and color at the job site.
B. Color samples for expansion joint compounds.
C. All submittal data shall be forwarded in a single package to the Landscape Architect within
15 days after award of the GeneralContract unless otherwise approved by the Landscape
Architect and/or Owner's Construction Representative.
2.7 SUBSTITUTIONS
A. Standards; Specific reference to manufacturers' names and products specified in this
s lies n right to substitute other material or
section are used as standards; this implies o gh
methods without written approval of the Landscape Architect.
B.Approval; Installation of any approved substitutions is Contractors% responsibility. Any
changes required for installation of any approved substitution must be made to the
satisfaction of Landscape Architect and without additional cost to Owner. Approval by
Landscape Architect of substituted materials and/or dimensional drawings do not waive
these requirements.
PART 3 - MATERIALS
Materials shall be of first quality and of domestic manufacture as noted below:
A. Portland cement shall conform to ASTM -C150, Type I or Type II.
B. Concrete aggregate shall conform to ASTM -C33.
C. Water shall be clean, free from strong acid, alkali, oil or organic matter.
D. Admixture for all formed concrete shall be SIKA Chemical Corp.'s "Plastiment", or
approved equal, applied in strict accordance with manufacturer's directions.
E. Reinforcement: reinforcing steel ASTM -A15 and ASTM-A305.Wirefabdo: ASTM -A185
F. Forms:
1. Lumber shall be "construction grade" Douglas fir.
2. Plywood for forming of concrete which is exposed shall be Plyform. All plywood
used for forming shall be at least 518 -inch thick and edge sealed.
G. Expansion joint filler shall conform with ASTM -D1751 (premolded).
PART 4 -EXECUTION
4.01 CONCRETE DESIGN MIX
A. Contractor assumes responsibility for the design mix and guarantees the specified
ultimate strength as indicated or specified herein.
B. Concrete, minimum 28 -day ultimate strength shall be 2000 PSI.
C. Ready -mixed concrete shall conform to ASTM -C94.
4.02 CONCRETE PROPORTIONS & CONSISTENCY
A. The proportions of aggregate to cement shall provide a dense mixture which will readily
work into all corners of the forms and around all reinforcements without any segregation of
the materials, cause excess free water to collect on the surface or cause excessive
bleeding of the forms.
B. The recommended practices of the American Concrete Institute shall be followed inall
applicable procedures. The maximum slump shall not exceed (4") four inches for footings,
slabs on grade, and mass concrete; 5 inches for foundation walls.
4.03 CONCRETE APPROVAL
The concrete quality, proportions, consistency, etc., is subject to the approval of Owner, and no changes
shall be made without prior written approval.
4.04 FORMWORK
A. Forms for concrete work shall be either metal or wood. Forms that are warped or that do
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
stakes set not more than four feet (4) apart so as to remain immovable throughout the
construction. All forms shall be approved by Owner within a tolerance of one percent
0%). All materials shall be accurately and separately weighted and mixing shall continue
until the distribution of material is uniform and the mass of concrete is homogeneous.
B. Two and one-half (21/2) gallons of water per cubic yard, shall be withheld from the mix at
the plant, and all or a portion may be added to the mix at the lob 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
batch. Total mixing time after adding original water shall be at least 15 minutes.
C. Concrete which is not placed within 90 minutes after the introduction of cement and water,
and concrete which has stood for 30 minutes after leaving the mixer, shall not be used.
4.05 REBAR
Reinforcing bar shall be spliced with 40 bar diamers minimum overlap.
4.06 CONVEYING AND PLACING
A.
Before pouring, all forms shall be thoroughly cleaned and made tight. The bottom of
B.
trenches shall be wet down before pouring footings; earth shall not be muddy at the time of
4.03 OBSERVATION OF MASONRY WORK
pouring. Concrete shall not be placed until reinforcements, rough hardware, and forms are
representative.
approved by Owner.
B.
Before depositing new concrete against old concrete, all laitance shall be removed, and
Previously placed concrete or masonry: Clean of encrustations, laitance, oil and coatings
the surfaces roughened to expose the embedded aggregate. The surfaces shall then be
which would reduce bond. Wash Work thoroughly with water under pressure; leave
covered with cement grout, using the specified mix with 1/2 of the course aggregate
surfaces damp where masonry units connect with earlier placed Work.
omitted, 1-1/2 inches thick.
C.
Conveying and placing of concrete shall be done so as to prevent separation of
bond.
Ingredients, and in no case shall the free fall exceed 6 feet. Tremies shall be used as
Wetting: Do not wet concrete block units before installation.
required. Surfaces of concrete shall be kept reasonably level, with a minimum amount of
Reinforcement: Clean off excess mill scale, loose rust, oil and coatings which would
concrete being allowed to flow after being placed. Placing shall be performed as a
reduce bond. Secure anchor in place.
continuous operation until each section is completed.
D.
Concrete shall be spaded and vibrated with mechanical vibrators to a maximum
B.
subsidence, without separation of ingredients. The moving of concrete by vibration will
C.
not be permitted.
4.07 COLORED CONCRETE
Integral color and Dust -On color hardner shall be as specified on plans and details.
4.08 GROUTING
except where otherwise indicated. Secure vertical reinforcement in position at
A.
Grout shall be composed of one part Portland Cement and two parts of fine aggregate by
Protect all dissimilar metals from galvanic corrosion by pressure tapes, coatings, or
volume. Materials shall be mixed dry and water added just sufficient to make the mixture
isolators.
flow under its own weight,
B.
For dry tamp cement grout, a minimum of water shall be added to the mix so that when wet
areas. Touch-up all areas with the same material as used for the shop coat, leaving all
sample is squeezed hard in the hand, surface moisture, but no free water, shall appear on
surfaces ready to receive finish coats. Apply second coat of primer on site.
the sample. Do not mix more than can be used in 30 minutes.
4.09 CURING AND
PROTECTION
A.
All exposed surfaces of concrete shall be protected from damage due to temperature,
A.
elements, and construction operations.
S.
Curing shall be as follows;
A.
1. All exposed surfaces of concrete shall be protected form premature drying and
a-
freshly placed concrete shall be protected against wash by rain. All concrete
B.
shall be kept wet for a period of ten days after placing. In order that curing water
C.
may reach both surfaces of walls, the forms shall be loosened and water shall be
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poured over the tops of the walls and allowed to run down between the concrete
D.
and the forms. .
2. All liquid curing compounds shall be used in accordance with the manufacturer's
recommendations and shall not be used on surfaces receiving concrete
hardener.
4.10 DEFECTIVE CONCRETE
A. Concrete which is not in accordance with these specifications, out of line, level, or plumb;
showing structural cracks, rock pockets, voids, spalls, honeycombing, exposed
reinforcing or other damaged surfaces shall be considered as defective.
B. All fines and irregularities shall be removed from exposed concrete surfaces while the
concrete is still green. Where patching is required, all loose and uniform concrete shall be
removad prior to patching.
4.11 CONCRETE FINISHES
Flat surfaces shall be screeded to the required levels and slopes and then any excess water or laitance
removed. Concrete shall be compacted with a grid tamper and then floated to a true and level surface within
the tolerance of 1/8 -inch along a 10 -inch straight edge. Contractor shall ensure positive drainage on all
flatwork. See Plans for concrete finish in landscape areas. -
4.12 EXPANSION JOINTS
Placement of expansion joints shall be as directed and determined by layouts of slab markings noted on
drawings. Expansion joint material shall be Poly Foam, or approved equal, or as noted on Plans. Expansion
joints shall be recessed one-quarter inch from finish surface and sealed with a bead of grey thiokol sealant
or equal. Silica sand to match concrete color shall then be tamped into thiokol bead.
4.13 CONTROL JOINTS
Control joints and other edges shall be formed in fresh concrete using a clean edging or jointing tool to
provide a smooth uniform finish.
4.14 PROTECTION
All finished concrete work shall be barricaded to pedestrian traffic for three (3) days. Barricades shall be
placed immediately after concrete finishing. Contractor shall furnish, place and remove all of his own
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.
4.15 PATCHING
If patching is necessary and permissible, a bonding agent such as Weld -Crate, or equal, shall be used.
4.16 CONCRETE CURBS
Construct concrete curbs at locations shown on Plans as detailed, true to line and grade, as approved by
the local County or City. Use natural grey Portland cement concrete, 2000 PSI compressive strength.
Locate expansion joints as detailed or shown, and as directed; at intervals not to exceed fifteen feet (15').
Finish with steel trowel, then brush with bristle brush parallel to face or edge.
4.17 CLEAN-UP
Upon completion of all concrete work and before final acceptance, Contractor shall remove all tools, surplus
materials, apparatus, debris, etc., from the site and the site shall be left in a clean, neat condition
acceptable to Owner.
PART 5 - WARRANTIES
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
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
CONCRETE UNIT MASONRY AND STUCCO SURFACING
PART 1- SCOPE OF WORK
1.01 WORK INCLUDED
Furnish all labor, tools, equipment, materials, transportation, and perform all operations necessary and
incidental for the proper execution and completion of all concrete unit masonry in accordance with the
Drawings and Specifications including, but not limited to, the following work items:
A. Pilasters (Stuccoed where applicable)
B. Walls (Stuccoed where applicable) .
C. Masonry Barbeques (Stuccoed where applicable)
1.02 RELATED WORK
A. Furnishing and placing rebar.
B. Concrete placement.
C. Stucco application.
PART 2 - GENERAL
2.01 PERMITS & INSPECTIONS
Obtain necessary City Building & Safety Department permits and inspections.
2.02 APPLICABLE STANDARDS
Any reference to the "Standard Specifications," "ASTM," or "ACI" manuals shall mean the current or latest
editions.
A. Standard Specifications: Standard Specifications of the State of California, Business and
Transportation Agency, Department of Transportation, CALTRANS.
B. Standards:
1. ASTM - American Society of Testing and Materials.
2. ACI - American Concrete Institute, Manual of Concrete Practice.
2.03 INSPECTION OF SITE
Examine related work and surfaces before starting work in this Section. Report to the Landscape Architect
in writing site conditions which will prevent the proper provision of this work. Beginning the work in this
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
unsuitable conditions shall be done at no additional cost to Owner.
2.04 PROTECTION OF EXISTING CONDITIONS
Contractor shall acquaint himself with all site conditions. He shall take necessary precautions to protect
existing site conditions. Should damage be incurred, this Contractor shall repair damage to its original
condition or furnish and install equal replacement at his own expense, to the satisfaction of the Owner.
2.05 COORDINATION
A. Cooperation onsite; Coordinate and cooperate with other contractors to enable the work to
proceed as rapidly and as efficiently as possible.
B. Work with Other Trades; Coordinate with General Contractor items of other trades to be
furnished and set in place. Such portions of their work as all or in part embedded, built-in,
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
with this injunction shall be done at the General Contractor's expense.
2.06 FINAL ACCEPTANCE
A. Review; Review for Final Acceptance shall be held in conjunction with the final review of
Section 4-A & B, Planting and Construction.
B. Acceptance; Work under this Section will be accepted by Landscape Architect upon
satisfactory completion of all work. Upon Final Acceptance at the end of the maintenance
period, including backfilling of walls, Owner will assume responsibility for maintenance of
the work. Said assumption does not relieve Contractor of obligations under Warranty.
PART 3 - MATERIALS
Materials shall be of first quality and of domestic manufacture as noted below:
A. Concrete masonry units: ASTM C 90, Grade N-1, hollow, normal weight lad bearing units.
1. Types and sizes: As indicated on drawings.
2. Color: As indicated on Color Schedule.
B. Portland cement: ASTM C 150, Type I or Type II.
C. Aggregates:
1. Sand: ASTM C 144, clean, hard, strong, durable, free from injurious amounts of
saline, alkaline, organic or other deleterious substances, with not less than 3
percent by weight passing No. 100 sieve.
2. Pea gravel: ASTM C 404, worked and graded with no more than 5 percent passing
No. 8 sieve and with 100 percent passing 3/8 inch sieve.
D. Water: Clean , portable, from domestic supply.
E. Hydrated lime: ASTM C 207, Type S, and containing 85% by weight of calcium oxide.
F. Admixture for grout: Material acceptable to Architect. Obtain acceptance from Project
Supervisor prior to use.
1. Use according to manufacturer's printed instructions. Secure manufacturer or
distributor initial supervision by a qualified field representative to assure proper
use of admixture.
G. Mineral color pigments: Pure ground mineral non-fadinq oxides, lime and alkali proof.
Colors as selected by Landscape Architect where applicable.
H. Cleaning material: Sure Klean No. 600 detergent, by Process Solvent Co., Inc., or
equivalent.
I. Expansion joint filler: ASTM C 1751.
J. Sealant materials, As noted on plans.
K. Submit Catalogue Out Cementitious waterproofing material.
L. . Vertical expansion joints: In concrete masonry wall construction shall be a minimum 20' -
0" apart. Use breaking bond whether for exposed or stuccoed masonry wall work.
FART 4 - EXECUTION
Each Item of Work shall include excavations for foundations and footings, concrete masonry block,
deformed billet -steel bars, Douglas Fir wood grant, stucco finishing and backfilling clean-up to the
satisfaction of the Owner,
4.01 LAYOUT
All walls are to be staked in the field for top of footinq, top of wall, lengths of walls and all steps In walls, on
the square footage "as staked" in the field. Any changes or deviations which add or delete concrete block
walls will be corrected or approved by Project Superintendent and adjusted by drawings submitted and
approved by Landscape Architect and Project Superintendent. Any overages will be per square foot/lineal
foot unit cost.
4.02 INSPECTION OF WORK AREAS
A.
Inspect related Work and adjacent surfaces for completeness.
B.
Correct conditions detrimental to a proper and timely completion of the Work.
4.03 OBSERVATION OF MASONRY WORK
Perform all masonry Work under continuous observation by the Landscape Architect and/or Owner's
representative.
1. Show dimensions, sites, thicknesses, gauges, finishes, joining, attachments
4.04 PREPARATION
A.
Previously placed concrete or masonry: Clean of encrustations, laitance, oil and coatings
2. Where welded connections, concrete inserts, and other items are required to
which would reduce bond. Wash Work thoroughly with water under pressure; leave
receive other work, show exact locations required.
surfaces damp where masonry units connect with earlier placed Work.
B.
Masonry units: Thoroughly clean of dust, grease, oil, or other matter which would reduce
items to be furnished, scale, details and dimensions.
bond.
C.
Wetting: Do not wet concrete block units before installation.
D.
Reinforcement: Clean off excess mill scale, loose rust, oil and coatings which would
B.
reduce bond. Secure anchor in place.
4.05 PLACING REINFORCEMENT
A.
Place reinforcement in accord with ACI 531.
B.
Place all reinforcement and embeds prior to grouting.
C.
Reinforcing steel, except dowels in other Material.
Conceal all connections in the finished work, where possible. Exposed screw
1. Vertical bars: Continuous from bottom cell to top of wall, centered in cells,
connections shall be Allenhead screws matching the material they fasten.
except where otherwise indicated. Secure vertical reinforcement in position at
Set base plate for support posts, true and plumb in concrete footing per details.
top, bottom and at intervals not farther apart than 192 bar diameters. Where
Protect all dissimilar metals from galvanic corrosion by pressure tapes, coatings, or
necessary, hold vertical steel firmly in place by frames or other suitable devices
isolators.
as accepted by Architect.
After erection, clean off all rust, scale and oil. Clean field welds, bolts, and abraded
2. Horizontal bars. Wire temporarily above exact position and tag to indicate
areas. Touch-up all areas with the same material as used for the shop coat, leaving all
correct locations. Use calibrated vertical bars where indicated, wired to vertical
surfaces ready to receive finish coats. Apply second coat of primer on site.
bars or dowels.
Apply one primer coat and two finish coats of exterior metal enamel to metal surfaces,
3. Accurately splice using lap of bars as indicated on drawings with a minimum of 40
color as selected by Owner's Representative.
bar diameters.
A.
4. Tie at intersections using No. 16 gauge annealed wire.
4.06 MORTAR
AND GROUT
A.
Mortar: Type S in accord with UBC Chapter 24.
a-
1. Color: As indicated on plans.
B.
Grout: In accord with UBC Chapter 24, with exception that lime shall not be used.
C.
Dispose of mortar and grout not used within 30 minutes after leaving mixer. Retempering
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of mixture will be allowed in accord with UBC Chapter 24.
D.
Mortar and grout minimum compressive strength:
-
1. Mortar: 28 days 1,800 psi
2. Grout: 28 days 2,000 psi
E.
After all ingredients are in the batch mixer, mix mechanically for not less than three
minutes. Do not use handl mixing unless specifically acceptable to Project
Superintendent.
4.07 WORKMANSHIP
A.
Preserve unobstructed vertical continuity of cells to be filled. Fully bed webs and
crosswalls forming such cells in mortar to prevent leakage of grout.
B.
Fractional parts of masonry units are prohibited where whole units can be used. Chinking
of interstices with fragments will not be allowed. Provide special units as necessary to
form openings and lintels.
C.
Do not construct any part of any masonry wall more than 6 feet higher than adjoining
portions.
D.
Where absolutely necessary, for construction purposes to stop off longitudinal runs of
masonry, stop off only by racking back one-half unit length in each course. Toothing
shall not be permitted.
E.
At openings for ducts, pipes and conduit built into masonry walls, cut to form fractional
units with abrasive saw.
F.
Align vertical alis to maintain continuous unobstructed cell area.
G.
Set units with joints straight and uniform in width.
4.08 JOINTS AND COURSING - EXPOSED MASONRY
A.
Joints: Raked as exposed masonry and flush with stuccoed; concave tooled with brick.
B.
Bond: Common running bond, unless otherwise indicated.
C.
Joints: 3/8 inch wide.
D.
Keep all areas to be grouted free from mortar so that grout will contact foundation.
E.
Perform tooling or raking when mortar is partially set but still sufficiently plastic to bond.
Use a tool which compacts mortar, pressing excess mortar out of joint rather than
dragging it out.
F.
Rake out joints which are not tight at time of tooling, point and then tool - where applicable.
G.
Butter vertical head joints well for thickness equal to face shell of unit and shove these
joints tightly so that mortar bonds well to both units:
1. Fill joints solidly from face of block to at least depth of face shell.
H.
Set lintels, capping units and bearing plates in a full bed of mortar.
I,
Control joints shall be as detailed. Apply sealant, where required, in accord with plans
and specifications.
4.09 GROUTING
A . Fill all masonry cells containing reinforcing steel solidly with grout.At finished course, stop
grout one-half the course height below top of last course grouted.
B. Keep mortar dropping out of or remove from grout space before grouting.
C. Puddle grout or vibrate in place.
D. Grout bolts and anchors inserted in wall solidly in place so that there s a minimum of 1 inch
of grout between bolt and masonry unit, unless otherwise indicated.
E. Set bolts, frames and inserts necessary for attachment of subsequent Work must be
secured in place prior to grouting.
4.10 POINTING AND CLEANING
A. Immediately remove from exposed surfaces surplus mortar, grout, foreign material, and
stains.
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.
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
accidental spillage occur, wash and clean surfaces immediately with a 10% muratic acid
and water solution, followed by a thorough water rinse. Remove stains where they occur.
D. Clean efflorescence from masonry with specified cleaner in accord with cleaner
manufacturer's instructions.
E. After wall in constructed, do not saturate with water for curing or any other purpose.
4.11 STUCCO SURFACING
A. Wood Framed Walls:
1. Stucco shall be three coat work not less then 718" thick.
(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
damp cured for at least 48 hours.
(b). Brown coat shall be 1/4" thick. When brown coat has set sufficiently it
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
scratch coat. Scratch coat shall be dampened evenly before
application of brown coat to provide even suction.
(c). Finish color coat shall be approximately IN' thick and shall be applied
and damp cured strictly in accordance with the manufacturer's
directions, and city and local governing bodies.
2. Stucco shall be Merlax, La Habra or approved equal as per color selection by
Landscape Architect.
3. Packaged material shall be delivered in the original packages, containers or
bundles bearing the name of manufacturer and the brand name.
4. Texture to be rubber float finish (scrub coat) or as approved by Landscape
Architect. 5. All exposed foundations shall receive one application of finish color
coat to match building color.
6. All stucco shall be water proofed up to three feet above finish grade with
Thompson's Water Sealer or equal.
B. Block Walls
1. Stucco shall be two coat work not less than 1/2" thick.
(a). Brown coat shall be approximately 318" thick. Float with a dry float to
form a bond for the finish coat,
(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
Including city and governing bodies.
2. Color and manufacturer shall be selected and approved by Landscape Architect.
3. Deliver packaged material in original packages bearing the manufacturer's and
brand names.
4. Texture as called out on plan or I.P. field approval.
5. All exposed foundation shall receive one application of finish color coat to match
building color.
4.12 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.
PART 5 - WARRANTIES
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
SITE CARPENTRY
PART 1- SCOPE OF WORK
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 following:
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
PART 2 - GENERAL
2.01 SUBMITTALS .
Submit color samples of all samples of all paints and stains to Landscape Architect for approval, 10 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 it 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.
PART 3 - MATERIALS
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.
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 - EXECUTION
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 disfiquration. Nails to be seated flush unless otherwise shown. Unless otherwise indicated
on Drawings, countersink finishing nails 111 6 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 corners 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.
PART 5 - WARRANTIES
In addition to manufacturers' quarantees 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
PAINTING
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
The following items of associated work are included in other sections of these Specifications:
A. Shop paint of steel materials and miscellaneous metal items
.
PART 2 - GENERAL
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 50 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 responsible for any and
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 includes enamel, paints,
stains, varnishes, emulsions, lacquers and sealers. The following manufacturers'
products and numbers constitute the standards for the primer and finish coats of the paint
hereinafter specified:
1. Primer: Federal Specification TT -P-86, Type II (red lead/alkyd type) or TT -P-645
(zinc chromate type) to be compatible with finish coat.
2. Finish Coats: Enamel, paint, stain, varnishes, emulsions, lacquers and sealers
shallbe as specified on plans and details.
3.02 COLOR AND LIFE OF FINISH
A. Colors shall be selected by Landscape Architect. Owner reserves the right to change
colors to match and/or contrast building colors up to and including time of execution.
B. 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 blisters,
running, pealing, sealing, chalking, streaks or strains at the end of this period.
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 - EXECUTION
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 specified 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. Quality: All painting shall be done by skilled and experienced craftsmen working under the
supervision of a capable 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 - WARRANTIES
In addition to manufacturers' quarantees 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
TUBULAR STEEL
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
PART 2 - GENERAL
2.01 QUALITY ASSURANCE
A. Qualifications:
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:
1. "AISC Steel Construction Manual".
2. "Code 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
B.
Representative for review in advance of fabrication. Show the following on the shop
C.
drawings:
D.
1. Show dimensions, sites, thicknesses, gauges, finishes, joining, attachments
E.
and relationship to adjacent work.
F.
2. Where welded connections, concrete inserts, and other items are required to
G.
receive other work, show exact locations required.
AWOVED BY;DWG.
. Y -&,t, ; A%io*4;k. 40164- DATE: 0 •
3. For standard manufactured items, submit work sheets showing illustrates cuts of
H.
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
by W.D.L. Co. or equal.
not distinctly specified in other sections.
B.
Provide all connections, anchors, bolts, welding, cutting, punching, drilling, tapping or
Metal enamel: FS TT -P -37C - (2 coats).
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
�---
7
and scheduling of other work.
D.
Conceal all connections in the finished work, where possible. Exposed screw
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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
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isolators.
G.
After erection, clean off all rust, scale and oil. Clean field welds, bolts, and abraded
C.
areas. Touch-up all areas with the same material as used for the shop coat, leaving all
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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,
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color as selected by Owner's Representative.
4.03 REPAIR OF DEFECTS
A.
All defective or damaged work shall be replaced, removed and repaired as directed by the
V11--
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.
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.
PART 5 - WARRANTIES
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
PART 3 - MATERIALS
Materials shall be of first quality and of domestic manufacture as noted below:
A.
Rolled steel shapes and steel plates: ASTM A36.
B.
Steel tubing: ASTM A500 Grade A, or ASTM A501 seamless - G.A. per details.
C.
Steel pipe: ASTM A53, Type E or S, Grade A or A120, galvanized 6" diameter.
D.
Steel bolts: ASTM A307, Grade A.
E.
Welding rods: Conform to AWS requirements for intended use.
F.
Concrete inserts: As indicated on the plans. '
G.
Shop prime -coat paint: Conform to either FS TT -P-86 Type II for red lead/alkyd type paint
AWOVED BY;DWG.
. Y -&,t, ; A%io*4;k. 40164- DATE: 0 •
or to FS TT -P-45 for zinc chromate type paint (2 applications - shop & site).
H.
Touch-up for galvanized surfaces: All State #321 Galvanizing Powder (30% tin, 30% zinc,
(0)
40% lead and flux) as manufactured by All State Welding Alloys Co., or Speed Galvanized
r*Z CiTY ENGINEER R.C.E.&"62 EXP. DATE4 1/M VI 31 0
by W.D.L. Co. or equal.
I.
Non -shrink grout: Mini Wax Construction Products Division Por -Rock, or approved equal.
J.
PART 4 EXECUTION
Metal enamel: FS TT -P -37C - (2 coats).
-
4.01 FABRICATION
A.
Conform to the requirements of the referenced standards.
�---
7
1. For manual welding, use low hydrogen type E7015 and E7016 electrodes.
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2. Weld preheat shall be determined from Mill Reports showing the chemical
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composition of the reinforcement.
B.
Shop prime all ferrous items to 1 mill dry coat thickness after fabrication, deburring and
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grinding smooth welds and rough spots. Touch-up after installation. Leave in proper
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condition to receive finish painting.
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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
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specifications of the "American Welding Society."
D,
Subcontractor to perform all the above work in accordance with the governing plans and
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specifications.
4.02 INSTALLATION
A.
Miscellaneous metalwork shall be free from defects which would impair strength, durability
V11--
and appearance.
B.
Erect plumb, straight, true and accurately fit in place. Brace, reinforce, and anchor in
a-
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.
CiTY OF FONTANA, CALIFORNIA
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L A N D S CA P E
ARCHITECTURE
SITE PLANNING
10621 Church St., Suite 106
Rancho Cucamonga, CA 91730
(909) 484-2800
Fax (909) 484-2802
CER"
k, 'k, Richard Krumwiede
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AZ Lic. # 2911911
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