HomeMy WebLinkAboutConcrete Restoration Project Manual1,:
VILLA DEL SOL CONDOMINIUM
BUILDING #6
CONCRETE RESTORATION
PROJECT MANUAL
OCTOBER 2020
•W�
B 2: PE #57831
jWng & Construction Services, Inc
FILE COP'
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
VILLA DEL SOL CONDOMINIUM.
BUILDING #6
CONCRETE RESTORATION'
PROJECT MANUAL
OCTOBER 2020
TABLE OF CONTENTS
SECTION .
SECTION TITLE
0100
Scope of Work, Design Criteria,
Location Map, & Site Plan
0200
Concrete Repair Specifications
0300
Approved Products
0400
Miscellaneous
0500
ICRI Drawings
0600
Repair Locations
TOTAL PAGES
1
8
3
3
5
5
BUNKER ENGINEERING & CONSTRUCTION. SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
SECTION 0100
SCOPE OF WORK AND LOCATION MAP
VILLA DEL SOL CONDOMINIUM
BUILDING #6
CONCRETE RESTORATION
Scope of Work:
1. Repair all damaged columns, beams, slabs,and any other concrete structures as
directed by the engineer of record.
Design Criteria:
1) Level of Alteration: 1 (per FBC 2017, Existing Building, Sec 403.1)
2) Wind Load Design Criteria: (per Sec.1609 and 1620-FBC 2017):
• Wind Velocity: 170 MPH
• Exposure Category: 'D'
• Risk Category: II
• Mean Roof Height: 30 FT
• Int. Pressure Coef: +/- 0.18
3) Occupancy: Residential R-2
Location Map:
Villa Del Sol Condominium
11000 S Ocean Dr, JensenBeach, FL 34957
END OF SECTION
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
SECTION 0200
CONCRETE RESTORATION
SCOPE OF WORK:
Repair cracked and spalled concrete at locations and -in the quantities as directed by the
engineer and in accordance with the contract work items.
Repair of corrosion deteriorated concrete shall be in accordance with the International Concrete
Repair Institute (ICRI) Concrete repair Manual (2"d edition).
All concrete repairs include:
a. Repair of damaged/deteriorated concrete
b. Repair overhead, beam and column spalling at IDENTIFIED areas.
c. Application of a cementitious waterproofing membrane onto the repair areas.
d. Application of Stucco to repair areas (Required to match existing building finish).
e. Installation of weather walls.
f. Removal and reinstallation of the existing Accordion Hurricane Shutters (If Required)
g. Removal of any foreign objects attached to the concrete surface
A. Removal of deteriorated concrete (minimum requirements, all locations):
1. Before any excavating, survey work area for any preexisting .conditions, measure and
record opening dimensions for later use during replacement of any accessories, as
required. Provide copy to the engineer.
2. All shoring shall be inspected and approved by the shoring engineer prior to proceeding
with any construction that imposes load into temporary shoring.
3. Any questions regarding adequacy of shoring should be brought to the attention of the
engineer.
B. Repair of Deteriorate Concrete in Columns:
1. Place shore post under the slab per engineer's direction.
2. Unless repair work for specific columns is other wise approved by the engineer,
excavations in concrete columns shall' proceed in increments not to exceed 20% of the total
horizontal cross sectional area of the column. The limit for vertical excavation is 4-feet for
each individual excavation. Each subsequent excavation between placements will be
treated as a cold joint that requires a fractured surface and approved bonding agent.
3. Remove concrete in all directions along steel bars to expose at least 2-inches of clean
reinforcing steel. Without indications of rust, or according to engineer's direction.
4: Remove concrete below and all around rusted steel to provide a minimum clearance of 1-
1/2" inches between the steel and the internal fractured concrete surfaces. Removal of
concrete around non -rusted steel may be less than 180 deg around its circumference.
5. Partial excavations can terminate on rusted areas of steel bars, but not adjacent to existing
concrete that is cracked or unsound.
6. Excavations in concrete columns that expose existing vertical lap splices shall be limited to
only one lap splice open at one time.
7. Install short lengths of clean #4 bars, approximately 1" to. 5" in length as required,
horizontally between exposed vertical bars and excavate concrete surfaces in both
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
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directions. These bars should serve as chairs contained within the interior cage bars to
prevent inward lateral movement of the vertical bars. Such chairs shall be install at the
level of every other cage, or 2-feet O.C, maximum spacing.
8. Use approved bonding/anti-corrosion agent applied to the existing adjacent concrete.
9. The repair concrete material to be placed must be low shrink concrete specified for column
placements. Design mix repair concrete is not approved for column placements.
10. Wait at least days or until 80% of design strength is reached after concrete has been
placed before proceeding with subsequent excavations.
11. Where steel bars have lost more than half the specified. allowable original cross section,
add new lap splice per the specifications.
12. Column repairs may require additional concrete to cover dislocated steel bars. Where
additional concrete is required, remove all stucco and mechanically work surfaces to
provide a new fractured surface. Excavation 3/" behind deteriorated steel cages is
required, but continuous excavations in the vertical direction should not be done.
13. Column repairs should be scheduled in-between and around other repairs on an ongoing
basis.
C. Reinforcing Steel: .
1. Where corrosion is visible, unless special conditions restrict its use, sandblast all around
the steel bars' circumference to remove all contaminants and scaling rust.
2. Any questionable placement of the existing steel, as placed in the original construction,
should be brought to the attention of the engineer.
3. LAP SPLICE Where reinforcing steel has lost 20% or more of its original cross section,
add lap splice of new steel of same diameter per the following guidelines:
a. Additional undamaged concrete may need to be excavated to install the lap splice.
b. The lap splice should be placed at least 1" away from the old steel or placed directly
against it and tie -wired at least every 4" along the overlap length.
c. If needed, the ends of damaged steel can be cut out to provide space for the splice.
d. Overlap lengths should be measured from where the old steel has at least 80% of
its original sectional area. Minimum lap splice overlap lengths are as follows:
LENGTH OF OVERLAP
BAR NOMINAL /SIZE (inches)
#3 15
#4 20
#5 25
#6 30
#7 .35
a. Exceptions to the table above, with the engineer's knowledge and approval, are as
follows:
i. Where the loading is. in primary shear, the lap splice lengths may be
reduced by half the lengths specified above.
ii. Where the loading is always in tension, it will be acceptable to satisfy lap
splice requirements by bending lap steel bars into 135 'deg. hooks and
connecting together or into adjacent structures.
BUNKER ENGINEERING &CONSTRUCTION SERVICES, INC.
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iii. It will be acceptable to dowel new lap steel into adjacent concrete. The
embedded end must be set in an approved high modulus epoxy gel with no
air pockets allowed. Drilled hole should be filled from the bottom (using
plastic tube) with epoxy prior to inserting the steel bar.
iv. Installing mechanical connectors at the ends of the splice bar to the damage
bar, in lieu of overlapping.
v. Welding the splice bars together. The weld overlap on each side must be at
least 2" for welding on both sides of the bars. The: weld overlap on each
side of the damaged bars must be at least 4" for welding on just one side of
the bars. The bars must be properly cleaned per AWS specifications. The
weld bead must be full penetration per, AWS specifications with no
undercutting. The minimum weld thickness must be 80% of half the bar
diameter. All welds must be inspected by the engineer before coating with
bonding agents.
4. New splice sections should be bent to match the shape of the existing steel and to provide
required concrete cover.
5. At the slab edge, bend bar hooks and/or cut off ends,.as required, for bars that come within
1-1/2" of the surface of the slab. If possible, both existing and added reinforcing steel in
slabs should be positioned in order to achieve a minimum 3/4" concrete cover. In severe
cases, with the engineer's approval, steel can be cut out and replaced.
D. Concrete Repair Mortar Aggregate:
Where the depth of the repair exceeds 1 ", the modified cement mortar mix must be
extended by use of %4" or 3/8" aggregate per manufacturer's instructions. Aggregate shall
be well graded, rinsed clean, and water saturated or have low water absorption..
E. Placement of New Concrete:
1. Construct forms as required for placement of the new concrete to match existing surfaces.
Always provide for water runoff according to the original design. Verify and maintain
previously recorded opening dimensions as required for any accessories to be installed
later.
2. Prior to placement of new concrete, the excavated areas are to be cleaned, flushed and
saturated with water. Remove any standing water that is not absorbed.
3. All exposed reinforcing steel, metallic conduits, and/or pipes are to be re -coated. with the
application of an approved bonding agent no more than 24 hours before concrete
placement. Greater than 80% coverage will be acceptable.
4. Prime coat the excavated concrete areas coated with the application of an approved
bonding agent no more. than 24 hours before concrete placement. Fill all holes and voids.
All manufacturers' instructions must be followed, except that greater than 80% coverage
will be acceptable.
5. All placements must be continuous, layering is not allowed. Where cold joints are
necessary, the edge of the previous placement must be treated as existing concrete, i.e.
fractured surface, bonding agent, etc.
6. Place concrete and finished surface to match existing.
7. If the ambient temperatures during the curing process exceed 90 OF provisions must be
made for cooling of the materials and placement according to manufacturer's instructions
and standard ACI practices.
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F. Concrete Curing:
1. The exposed surfaces of the placement should be covered and maintained damp by
frequent spraying with water for at least 5 days or as required according to material
manufacturer's instructions. An acceptable alternative would .be the application of an
approved watertight coating applied after the initial concrete setup.
2. Forms and shores can be removed, and accessories. installed, after 5 days or when
material specifications or testing show that the concrete has reached at least 80% of its
design strength. Hold times less than 5 days require engineer's approval.
G. Surface Finishing Included With Concrete Repairs:
1. Where new concrete has been placed, grind away excess as required to match surface
and texture of surrounding areas.
2. In areas where new concrete has been placed and areas adjacent to such areas, install
skim coat mortar or stucco, as required, to fill voids and match surface and texture of
surrounding areas.
3. Where occasional unnecessary or abandoned fasteners show in areas nearby to where
new concrete has been placed, mechanically removeall such fasteners. Remove all loose
material and fill holes with skim -coat mortar or stucco, as required, match surface and
texture of surrounding areas.
4. Where new concrete develops shrinkage cracks, call for engineering inspection to
determine method and time for crack repair. Epoxy injection or gravity feed epoxy will be
required to fill cracks as directed by engineer.
5. Unless otherwise stated in the contract, all vertical and overhead repaired areas must be
touch up painted. The owners will be responsible to provide the paint or local source of for
the paint. Color matching, texture, and all paint material costs will be the owner's
responsibility. Upon the owner's request, contractor will provide a first coat of concrete
primer paint to be followed up by touch up paint. Upon the owner's request, contractor will
delay painting in partial areas to at least 3 weeks following new concrete placements.
H. Stucco Repair:
All stucco placement shall be in accordance with all code requirements, regulations, and
requirements by jurisdiction having authority.
At stucco repair areas, install trowel grade, or skim coat mortar or stucco to fill voids and match
surfaces and texture of surrounding areas.
Preparation
1. Stucco should not be installed until all surfaces are clear from irregularities or other
imperfections that may compromise the finish look of the stucco.
2. MASONRY: Verify joints are cut flush and surface is ready to receive stucco. Verify no
bituminous or water repellent coatings exist on masonry surface.
3. CONCRETE: Verify surfaces are flat, honeycombs are filled flush, and the surface is ready
to receive stucco. Verify no bituminous, water repellent, or form release agents exist on
concrete surfaces that are detrimental to stucco.
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE *305, LAKE WORTH, FL 33460
4. Roughen and clean masonry and concrete surfaces to -the degree required to achieve
mechanical bond. Apply bonding agent where needed for adhesion. Surfaces to receive
stucco shall be damp without visible surface water.
Application
1. Stucco thickness shall match existing.
2. Mechanical mixers must be used. Hand mixing is not. allowed. Keep mixer and all tools
clean. Do not let foreign particles or objects enter the mix.
3. "One -coat" stucco, which is a combined scratch & brown coat, and a finish coat, is allowed.
If a proprietary "one -coat" stucco is used, follow all manufacturer's recommendations. Pay
particular attention to lath detail, and all curing recommendations. Any additives or
modifiers must be approved by engineer.
4. Ensure that finished stucco work is true to line, plane, level and plumb.
5. Follow all manufacturers recommendations regarding mixing times, and time between
coats, curing, etc, if different than specified Discuss manufacturer recommendations with
engineer for approval, if different than listed herein.
6. If sanding or powdering occurs, remove stucco and re -work with stucco mixed in proper
proportions and ensure proper curing.
7. After full cure, approximately 28 days, apply primer by. brush, roller, or spray at a rate
recommended by stucco manufacturer or approved by engineer. Apply from corner to
corner, starting at bottom and working to top.
8. All stucco applied at repair areas, or areas with surrounding stucco shall be touch-up
painted to match color, surface, and texture, as best as possible to surrounding areas.
Touch-up paint shall be provided -by owner in this case, unless otherwise indicated in the
project documents.
I. Epoxy injection of cracks not incidental to Concrete -Placement:
1. Where cracks are not caused by steel corrosion, inject epoxy to seal the cracks. Test the
visible areas on both sides and all around the crack. If sound and there is no evidence of
corrosion of spalling, inject the crack with an approved epoxy material. In all cases, the
crack should be brought to the attention of the engineer who will advise on the method and
materials to use.'
2. Clean the area of deteriorated concrete and any contaminants.
3. Install, the injection ports at appropriate intervals to accomplish full penetration of the
injection adhesive. The spacing between injection ports shall be determined by the size of
the crack and by the depth of the concrete substrate. The spacing shall not exceed 8-
inches. Install the injection ports by using surface mounted injection ports as follows:
a. Center the injection port over the crack and secure in place by using epoxy gel.
b. Completely seal the exposed crack located between the injection ports and
boundaries as required, by applying epoxy gel into the crack. Apply the epoxy gel
at an approximate thickness of 1/8".
c. If the crack extends through the member, and if accessible, install telltale injection
ports on opposite side and seal all exposed areas of the crack. The spacing of the
telltale ports should be- 12" to 24".
J. Shrinkage Cracks in Old Concrete:
1. Remove any debris and contaminants from the crack prior to application of gravity fed
epoxy. This is best accomplished .by blowing out the crack with compressed air followed by
vacuuming the crack.
BUNKER ENGINEERING &CONSTRUCTION SERVICES, INC.
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2. Once the concrete crack has been properly cleaned, follow the shrinkage crack repair
procedure below.
K. Shrinkage Cracks in New Concrete:
1. Shrinkage cracks are anticipated for new concrete and stucco placements as part of
restoration work. Though these cracks do not cause any structural concerns, they should
be sealed, all through the concrete thickness to protect the embedded steel bars.
2. Sealing of shrinkage cracks in newly placed concrete should only be done after a minimum
of 30 days has passed since the concrete placement. Shrinkage cracks can occur and
grow at any time during the curing process.
3. Provide a containment reservoir for the gravity fed epoxy.
4. Apply gravity fed epoxy to the crack in the concrete. Allow epoxy to penetrate into the
crack and completely fill the crack space w/o any voids remaining.
5. Just prior to curing of the epoxy, scrape off excess epoxy using a suitable trowel type tool.
6. The quantity and extent of shrinkage cracks is partially dependent on the quantity of the
damp curing and protection from the wind and sunlight. The cost of the repair of shrinkage
cracks for new placement should be built into and included with the cost of the new
concrete or stucco. Repair of shrinkage cracks for new concrete and stucco should be at
no extra cost to the owners.
L. Surface repairs Not Incidental to Concrete Placement:
STUCCO: If provided for in the contract, where cracked or delaminated stucco is to be
repaired in the areas not needing concrete repairs, mechanically remove loose and
delaminated stucco. Prepare/clean exposed surfaces by water blasting as needed to
receive new.stucco. Install new stucco to match surface and texture of surrounding areas.
2. FASTENERS: If provided for in the contract, where unnecessary or abandoned fasteners
show in areas not receiving concrete repairs, mechanically remove all such unnecessary
fasteners Clean and fill all remaining holes with skim coat mortar or stucco, as required, to
match surface texture of surrounding areas
M. Existing Deficient Concrete Cover:
1. Any questionable concrete cover for existing concrete areas, from the original construction,
should be brought to.the attention of the engineer.
2. During concrete restoration work, all efforts should be made to reposition bars deeper into
the concrete repair area to achieve required concrete cover. To help achieve proper
depths, rebar can be bent or relocated. Where possible, additional concrete should be
excavated deeper into repair areas to allow for relocating rebar deeper.
3. However, concrete repair areas should not be expanded into adjacent existing non -
damaged areas solely because of lack of concrete cover. Additional concrete should be
excavated along rebar solely because of an existing lack of concrete cover.
4. Where concrete cover is less than that required, placement of approved acrylic polymer
modified structural repair mortar around the steel in question is required. No field added
aggregate should be added to the approved. mortar mix. The approved acrylic polymer
modified mortar will provide the equivalent corrosion protection required by code up to 3/8"
cover.
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
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5. Where concrete cover is <3/8" and rebar cannot be moved deeper, partial coating of the
rebar with approved epoxy coating. Coat only the top half or that portion of the bar with
3/8" cover.
MASONRY CRACK REPAIR
A. For filled cell structural columns or ties beams containing rebar:
1. Before repairing, ensure that all surfaces to be cleaned, rinsed and dried, and free from dirt,
grease, oil, loose or peeling paint, chalk, salt, or other surface contaminants. Remove.
loose and deteriorated material by chasing the crack with a utility knife or similar instrument.
2. Crack 1/32" or less in width, after proper preparation, shall be filled with an approved liquid
epoxy resin sealer in accordance with manufacturer's recommendations.
3. Cracks of 1/16" to Y4" in width shall be cut or ground out and cleaned. Use a flexible tool to
inject the epoxy gel and ensure that the gel completely fills each crack. Repeatedly inject
material to ensure that the epoxy gel has filled all voids.
4. Cracks Y4" or greater in width should be excavated in accordance with the above
referenced concrete repair specifications and repaired using trowel grade mortar.
B. For non-structural masonry:
1. Make sure surfaces are sound, clean, dry, and free of all bond -inhibiting materials including
mildew dust dirt laitance and standing water. Remove loose and deteriorated material by
chasing the crack with a utility knife or similar instrument.
2. Test the visible areas on both sides and all around the crack. If sound and there is no
evidence of looseness, fill the crack with an approved filler material. Apply flexible crack
filler material per the manufacturer's instructions.
MISCELLANEOUS
A. Engineering inspections:
During on -site engineering inspections, the engineer shall review any work underway, regarding
work locations, methods, shoring, forms, safety, property protection, concrete placements, proper
curing of newly placed concrete, owner concerns, or any other items as appropriate. The
contractor is responsible for providing. openings in access barriers or weather barrier walls for
engineering inspections to work areas for purposes of engineering inspections. The contractor is
not responsible for providing use of scaffolding for engineer inspections.
It is expected that different phases of work will be ongoing in multiple locations: Therefore,
requests for engineering inspections will be combined so that different phases of work will be
inspected in the various work locations during each inspection. Each work location requires
engineering inspections and approvals. The contractor has the responsibility to call for engineering
inspections for the following:
WORK LOCATIONS AND DIRECTION: The engineer shall inspect repair areas and direct work,
as required, regarding the location and.estimated extent of all repairs. Sliding glass doors, shutter,
railings, or other accessories will not be removed without engineer's approval.
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
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EXCAVATION LIMITS: The engineer shall inspect and approve, as required, all limits of concrete
removal and all steel reinforcement repairs. The engineer shall verify contractor measurements
and approve or disapprove, as required all contract billable quantities for all repairs.
APPROVAL TO PLACE CONCRETE: The engineer shall inspect all areas prior to concrete
placement and give approval, as required, for all concrete placements. The engineer shall inspect
all preparation work, including forms, shoring, safety, steel bar repairs, and any adjustments to
excavation limits.
PLACEMENT OF CONCRETE: All design mix truck placements of concrete require -on -site
engineering and shall be inspected during the placements. The -engineer may also require
inspections of bag goods concrete placement.
FINAL: The engineer shall inspect ad approve, as required, the completion of all repairs for each
phase of. work. The Engineer will issue written punch list reports only for remaining. items where
the contractor is unable to complete work, correct defective work, repair damages or clean-up as
required by the contract.
END OF SECTION
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
SECTION 0300
APPROVED PRODUCTS
DESCRIPTION / USE
PRODUCT NAME
MANUFACTURER
SEALANTS & COATINGS:
A Expansion Joint Seal
Sonolastic NP-1/NP-2
BASF
B Elastomeric Caulking
Sonolastic 150
BASF
C Waterproofing
Watertight
Sto
(Horizontal Surfaces)
Mapelastic
Mapei
Cementitious Polymeric
D Epoxy for doweling bars
Sikadur 32
Sika
E Epoxy for crack repair
(low viscosity)
F Penetrating sealer
CONCRETE REPAIR PRODUCTS:
A Ready Mix:
- Cement Content: >560 #/yd,
- W/C ratio: < 0.40
- Total water soluble chloride ion (CI)
content < 0.05% by wt. of cement
B Repair mortars:
Full Depth Repair
(Horizontal)
Planibond EBA Mapei
Sikadur 35
Sika
Planibond CR 50
Mapei
Sikagard 701 W
Sika
Planiseal WR
Mapei
Design Mix Code Cemex
No. 117769
LA40 BASF
Planitop FD Mapei
(Add 3/8" pea gravel aggregate if >4")
(3,200 psi after 24hrs)
Planitop 15 Mapei
(Add 3/8" pea gravel aggregate if >2")
(4,350 psi after 24hrs)
Sto CR310 (Horiz.) STO
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
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DESCRIPTION / USE PRODUCT NAME MANUFACTURER
C
E
Partial Depth Repair
Mapecem Quickpatch Mapei
Overhead/Vertical Gel Patch BASF
(Up to 2" per lift)
Planitop XS Mapei
(Up to 4" per lift)
Sto CR702CI STO
Planitop 12 Mapei
Bonding/Anti-Corrosion Agent
Flash Patching
PAINTING PRODUCTS:
Emaco P24 BASF
(Water -based epoxy-cementitious)
Powerprep AC STO
Planibond 3C Mapei
(Water -based Epoxy)
Zincrich BASF
(Epoxy primer w/ Zinc)
Mapefer 1 K Mapei
(Cementitious Polymeric)
Topcem Premix (sloping) Mapei
(thickness: Y4" to 4")
(1,650 psi after24hrs)
A Primer (options) Perma-Crete High Build PPG Porter Paints
Acrylic Primer
Pro Industrial Pro-Cryl Sherwin Williams
Universal Acrylic Primer
Super SpecExterior Ben Moore
Latex Primer
Sto Primer Smooth 804 STO
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
DESCRIPTION/USE PRODUCT NAME MANUFACTURER
B Finish Coating (options) Acri-Shield Acrylic
Coating
Loxon.
Masonry Coating
StoCoat Acryl Plus
PPG Porter Paints
Sherwin Williams
STO
NOTE:
Items not specifically called out shall be of similar quality and material make up and shall be subject to review
and approval by the Engineer prior to the use of said materials. Alternate equivalent repair mortars and
bonding/anti-corrosion agents may be used with the engineer's approval.
END OF SECTION
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
SECTION 0400
MISCELLANEOUS
Engineering Approvals / Inspections / Extensions . - -
1 . The engineer shall inspect and approve, as required, all limits and the extent.of all work.
2. The engineer shall verify measurements and certify, as required, all unit price items.
3. The engineer- shall approve specifications for all contractor supplied materials at least 5 days
prior to material use or placement.
4. The engineer shall approve all work completed and all contractor billing, as required. The
owner(s) are not obligated to pay for any work not approved by the engineer.
5. The engineer must approve all requests for work extensions or delays beyond the contract
completion date.
Completion Time
1. Substantial completion shall be determined when all work is completed or placed, cleaning. and
painting is completed, scaffolding is removed and contractor's equipment is removed from the
work area.
2. Extension time shall be approved for increases on the scope of work prorated based on
quantities of work completed.
3. Extension time shall be approved for weather delays or other delays beyond the contractor's
control.
4. At engineers' discretion, correction or finish items that remain beyond the completion date will
not change the completion date of the project.
5. Any disputes regarding extension time and completion time shall be settled as determined and
approved by the engineer.
6. The contractor shall be liable for engineering inspection fees when repair work goes beyond
the completion date.
Additional Work or Work Not Anticipated
1. The contractor assumes responsibility.for contract quantities for lump sum pricing including field
measurements and verification of existing dimensions. Quantities and/or dimensions provided
in the project specifications are estimates and for reference only.
2. Contract quantities for unit price contract items will be based on actual quantities approved by
the engineer. Min width for small area concrete repair quantities will be based on Y2 of rebar
spacing, or not to exceed 6".
3. All work anticipated to be performed on this project, or normally expected to be performed in
doing similar work as on this project is intended to be included at no extra cost, unless
separately listed on the contract pricing page exhibit, or separate pricing as provided for in a
signed contract addendum or change order, or otherwise acknowledged and approved by the
owner in writing.
4. Any additional work requested or unanticipated work needed must be brought to the attention of
the engineer before doing the work. Any questions regarding pricing for the work must be
resolved before actually doing the work. The contractor shall have the opportunity to propose
pricing for any such work not covered by contract. Any such work should only be performed
upon acceptance of the proposed pricing by the owner in writing.
5. The owner(s) are not obligated to make payments for any such work performed that is not
provided for in the contract, or a contract addendum or change order, otherwise acknowledged
and approved by the owner in writing.
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6. If unanticipated work is discovered that is absolutely required to be completed to ensure
structural safety or is otherwise in the critical path for project completion, the engineer shall
request, and the contractor shall provide a proposed change order for the work and pricing.
The engineer will determine cost reasonability based on experience and knowledge of the
work. If the owner does not execute said change order after the engineer recommends
approval, or does not contract for and have the work done in a timely manner as determined by
the engineer, the engineer shall have authority to approve and execute the change order
document and the owner will be obligated to pay for said work.
Electrical Power
1. Unless otherwise provided for in the contract documents, the Association is responsible for the
cost of electric power for the project. The Association is also responsible for providing a
reasonable access point to the buildings power supply. The contractor is responsible for
coordinating the hook up to the provided power supply. If an electrician is required for any
temporary connections .or modifications, the contractor is responsible for coordinating the work,
and the Association is responsible for the cost. Any disputes shall be settled by the engineer.
Cleaning and Safety During the Project
1. Provide necessary protection at work areas, as required, during work to protect from dust and
debris entering interior spaces. Provide protection to adjoining property, as required and in
accordance with code requirements.
2. At the end of each workday., secure or store all equipment, machinery, materials, etc. All swing
stages are to be securely tied off when not in use. All swing stages, equipment, machinery,
materials, etc. are to be removed from the site at the issuance of a tropical storm or hurricane
warning.
3. Maintain the material storage and work areas in a clean and safe condition and remove from .the
site, on a daily basis, flammable cloths and discarded materials that could support combustion
and, at least weekly, remove empty containers, boxes and bags. All debris and rubbish must be
placed in approved dumpsters on a daily basis and dumpsters emptied as required on a regular
basis.
4. Keep approved fire extinguishers on hand for quick access, as required in Section 3309 of the
Florida Building Code.
5. Ensure compliance with all safety requirements, as required by law, such as use of safety
harnesses, hard hats, and other equipment and procedures, as required.
6. On site portable sanitary facilities are required and should be located as directed by the owner
and maintained on a weekly basis.
Cleaning and Restoration of Property at Completion of Project
1. Promptly remove all debris,. materials, equipment, etc., from the site and leave the premises of
the buildings, driveways, and deck areas clean. Clean surface areas of excess epoxy,
cementitious materials, bonding agent, coatings, sealants, etc.
2. Remove excess materials and debris from job site. Leave areas in as clean a condition as
when first arrived at job site.
3. Reinstall all exterior building components removed or adjusted to providing access for doing
work. The reinstallation shall be done using the materials and workmanship that would be
expected for a new installation, taking into consideration any installation difficulties caused by
existing defects or changes in the building. Any reinstallation problems must be brought to the
attention of the engineer.
4. Replace or repair any areas damaged during the progress of work.
5. Replace all sod as required and any plants damaged beyond reasonable condition during the
progress of work.
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
Responsibility for Exterior Areas
1. The contractor will be responsible for securing and restricting free access to work areas where
is work being performed. The contractor must notify the condominium in writing when and if
any work areas cannot be safely secured at the end of each workday.
2. The contractor will be held responsible for repairing exterior damages.and cleaning concrete
and coating splatter caused by carelessness or lack of protection while performing the work
identified in the scope of work and work items list.. Contractor must provide adequate covering
for doors, railing systems, steel columns, light fixtures, etc. as required during the work.
3. If, for purposes of cleaning up at project completion, contractor's desires to apply paint over
concrete and/or coating splatter on any existing surfaces (i.e.: aluminum railings, shutter, steel
columns, etc.) as part of cleaning or repairing of exterior damages, Contractor is responsible to
obtain Owner's prior written approval.
4. The contractor will be held responsible for repairing damages caused by carelessness or lack
of protection while 'performing the work identified in the scope of work and work items list.
Contractor must anticipate and provide adequate protection as required during the work for
hidden utilities in building structures, i.e.: electric conduits water and phone lines, etc.
Contractor will not be held responsible for any underground utilities. Any question regarding
contractor's responsibility to repair damaged electric conduits, water and phone lines, etc. shall
be determined by the engineer.
5. Unless otherwise provided for, the contractor will not be held responsible for unavoidable
damages, including but not limited to exterior wall areas, pavement, or landscaping.
6. The engineer shall determine any disputes regarding reasonableness of repairs.
Warranties
1. A performance bond will be required, unless deleted from or not included in the contract
documents.
2. Provide the owner(s) with a contractor's warranty on the installation and workmanship for these
repairs for a period of not less than five years from the substantial completion date of the
project. This warranty shall only apply to new materials placed or work performed and shall not
apply to existing areas not repaired.
3. Provide the owner(s) with material manufacturers' warranties (if available) on the manufactured
products used for these repairs for a- period of not less than five years from the date of
completion of the project. The material warranties shall only apply to material defects and
coverage shall include material and labor costs for replacement of defective materials. Any
disputes regarding warranty responsibility for defects shall be settled as determined and
approved by the engineer. Letters of manufacturers' intent to warranty and copies of
manufacturers' warranties must be provided by the contractor and attached to the construction
contract. Certified copies of manufacturers' warranties must be provided. by the contractor at
completion of all work and prior to final payment of retainage from the owners. Effective date of
the warranties shall be the completion date of the project as determined by the engineer.
4. Shrinkage cracks are anticipated for new concrete and stucco placements in restoration work.
The quantity of shrinkage cracks is partially dependent on the quality of the damp curing and
early protection from the wind and sunlight. For a period of not less than one. year from the
date of completion of the project, epoxy injection repair of shrinkage cracks for repaired areas
shall be provided at no extra cost to the owners. The cost for the repair of shrinkage cracks
should be built into and included with the contract cost of the new concrete or stucco. Epoxy
injection repairs at no cost shall only apply to the epoxy injection work and shall not include
costs for removal of accessories, repair of coatings, or touch up painting of epoxy injected
areas.
END OF SECTION
BUNKER ENGINEERING & CONSTRUCTION SERVICES, INC.
120 NORTH FEDERAL HIGHWAY, SUITE #305, LAKE WORTH, FL 33460
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