GAS SPHERE SUPPLEMENTAL SPECIFICATIONS
1. GENERAL: These Specifications cover the surface preparation and recoating of a gas
storage sphere referred to herein and the labor, equipment and materials to be incorporated in
the work; and miscellaneous work required in connection with the sphere renovation.
2. LOCATION: The location of the sphere included in the scope of work is noted on the map in
the exhibit section of these Specifications.
3. PAYMENT: Payment for performing the work outlined herein, and as described in these
Specifications, will be made on the basis of the Lump Sum Prices and the Unit Prices Bid for
the particular items of work. The quantities shown for Unit Prices Bid in the Proposal Form
are estimated quantities and are approximate only, and final quantities may vary from those
listed. Such quantities shown, however, multiplied by the Unit Price Bid shall be used in
determining the value of each Proposal item, and the subsequent Total Amount of Bid.
4. GUARANTY: The Contractor shall guarantee the work for a period of one (1) year from the
date of acceptance, with the guarantee providing that the Contractor will repair any defects
due to faulty workmanship or materials which become evident during the guaranty period.
Included in the guarantee shall be labor, equipment and materials provided by the Contractor
during the guaranty period, all per diem costs, all mileage costs, and all other costs required
of the contractor to fulfill the guaranty requirements.
5. SCOPE OF WORK – METHANE GAS STORAGE SPHERE
5.1.
Base "Flange" – No Work.
5.2.
Base "Flange" Grout (Sealant) – No Work.
5.3.
Thoroseal Ringwall – No Work.
5.4.
Sphere Exterior Surfaces - Sphere exterior surfaces shall be prepared to receive
coatings in accordance with these Specifications, and shall be coated in accordance
with these Specifications. Exterior surfaces shall be prepared in accordance with SSPC
10 requirements. Cleaned surfaces not coated within the specified time during a day’s
operation shall be re-blasted and re-cleaned before coating. Under no circumstances
shall the steel be permitted to rust before application of coatings, regardless of the time
elapsed.
5.4.1. The Contractor shall keep the Owner and the Engineer advised of his progress
regarding the blasting and cleaning of exterior surfaces, and shall inform the
Owner and Engineer of the time when he will be ready for a review of the work.
The Contractor and a representative of the Engineer shall then review the sphere to
determine the condition of the surface, and to determine whether any repairs will
be required. If repairs other than that described in these Specifications are found to
be necessary, the Contractor shall perform such repair work in accordance with the
provisions for EXTRA WORK. Coating work shall not be undertaken until
permission from the Owner and the Engineer is secured.
5.4.2. The wall of the sphere shall be blasted in accordance with these. Specifications,
and all rough welds and weld spatters shall be ground smooth. The Contractor shall
make all surface repairs as may be required to present a smooth finish.
5.4.3. All sphere roof weld spatters (where evident) shall be ground smooth.
5.4.4. Payment for performing the work described herein shall be included in the Lump
Sum Price bid noted in the Proposal Form.
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GAS SPHERE
SUPPLEMENTAL SPECIFICATIONS
DIV. 20-1
5.5.
Exterior Stairway - Sphere exterior stairway shall be prepared to receive coatings in
accordance with these Specifications, and shall be coated in accordance with these
Specifications. Payment for performing the work described herein shall be included in
the Lump Sum Price bid noted in the Proposal Form.
5.6.
Sphere Relief Valve - Sphere relief valve and appurtenances shall be prepared to
receive coatings in accordance with these Specifications, and shall be coated in
accordance with these Specifications. Payment for performing the work described
herein shall be included in the Lump Sum Price bid noted in the Proposal Form.
5.7.
Sphere Top Access Manway - Sphere top access manway shall be prepared to
receive coatings in accordance with these Specifications, and shall be coated in
accordance with these Specifications. Payment for performing the work described
herein shall be included in the Lump Sum Price bid noted in the Proposal Form.
5.8.
Sphere Wall Access Manway - Sphere wall access manway shall be prepared to
receive coatings in accordance with these Specifications, and shall be coated in
accordance with these Specifications. Payment for performing the work described
herein shall be included in the Lump Sum Price bid noted in the Proposal Form.
5.9.
Sphere Interior Surfaces – No Work.
5.10. Interior Ladder – No Work.
6. COATINGS
6.1.
GENERAL: Coatings shall include all labor, materials, scaffoldings and equipment
that may be required to achieve the appropriate finished results, after proper
preparation, associated with the application of coatings for all surfaces not specifically
excluded from receiving coatings. It is intended that the work associated with coatings
be complete, and that no surfaces that would normally be coated be left without such
coatings.
6.2.
PERFORMANCE OF THE WORK: All work shall be performed in strict
accordance with these Specifications and the selected coating manufacturer's current
product data sheets. The Contractor shall insure that all work is performed in a safe and
workmanlike manner, since safety is not the responsibility of the Engineer or the
Owner. All phases of the work shall be available to the resident observer for
observation at any time. Proper ventilation shall be provided as required.
6.2.1. Areas to receive coatings shall be thoroughly cleaned and free from all dirt, oil,
grease, rust and other foreign matter by use of sandpaper, scraper wire brush, or
sandblasting as required or as may hereinafter be specified. It may be required that
some metal surfaces be washed with benzene to remove dirt or grease prior to the
application of coatings. Metallic surfaces to which fluids have been applied shall
be thoroughly cleaned with benzol prior to the application of any coating.
6.2.2. Surfaces on which coatings are to be applied shall be dry and clean. No coating
shall be allowed outside in extreme cold, frosty, foggy or damp weather. No
coating shall be allowed in dusty areas. The minimum ambient and substrate
temperature for coatings application shall be 40 degrees Fahrenheit, with an
anticipated rise in temperature for three hours, or more. The surface to be painted
shall be dry with a surface temperature a minimum of 5 degrees Fahrenheit above
the dew point. Paint shall not be applied in rain, snow, fog or mist, or when the
relative humidity exceeds 85 percent. Dew or moisture condensation should be
anticipated, and if such conditions are prevalent, painting shall be delayed until
midmorning to be certain that the surfaces are dry. Additionally, the days' painting
should be completed well in advance of the probable time of day when
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GAS SPHERE
SUPPLEMENTAL SPECIFICATIONS
DIV. 20-2
condensation will occur in order that the recently applied film be allowed an
appreciable time for drying prior to the formation of moisture. Drying times
between paint coats shall be 24 hours in good weather.
6.2.3. The curing periods for coatings will be inversely proportional to the temperatures
at the time of application, i.e., the cooler temperatures will require longer curing
times. The application of coatings by the Contractor shall be interpreted as
acceptance by the Contractor for the condition of the substrate, plus the
subsequently applied coatings.
6.2.4. Items not to be coated which are in contact with or adjacent to coated surfaces
shall be removed or protected prior to surface preparation and painting operations.
Exposed ferrous metals, including nails on or in contact with surfaces to be coated
shall be spot-primed with a suitable corrosion-inhibitive primer capable of
preventing flash rusting, and compatible with the coating specified for the adjacent
areas. All surfaces shall be clean and free of foreign matter before application of
coatings or surface treatments. Oil and grease shall be removed prior to mechanical
cleaning. Cleaning shall be programmed so that dust and other contaminants will
not fall on wet, newly coated surfaces. Items removed prior to coating shall be
replaced when coating is completed.
6.3.
MATERIALS: All coating materials shall be delivered to the job site in the original
and unopened containers plainly marked with the proper designation of the product, as
well as the name of the manufacturer.
6.3.1. The coating manufacturer's data sheet shall be included with each shipment of
material to the job site.
6.3.2. The coatings shall be used and applied per instructions of the manufacturer
without being extended or modified, and the correct surface preparation and
condition of surface to be painted shall be rigidly adhered to.
6.3.3. All coating materials at the job site shall be subject to review by the resident
observer on the job.
6.3.4. As noted above, coatings shall be in sealed containers that legibly show the
designated name, formula or specification number, batch number, color, quantity,
date of manufacture, manufacturer's formulation number, manufacturer's directions
including any warnings and special precautions, and name of manufacturer.
Pigmented coatings shall be furnished in containers not larger than 5 gallons.
Coatings shall be stored on the project site or segregated at the source of supply
sufficiently in advance of need to allow sufficient time for testing if so required by
the Engineer. All coatings shall be stored to prevent freezing.
6.3.5. All color selections shall be made by the Owner. No lead-base coatings shall be
approved, and all coatings shall be gas-proof.
6.3.6. Where thinning is necessary, only the products of the manufacturer furnishing
the coatings will be acceptable, and these must be used according to the
manufacturer’s recommendations.
6.3.7. Coverage rates for masonry surfaces (if applicable) are given in approximate
square feet per gallon coverages, appearance will be the deciding factor. Coverage
rates for metal surfaces are given in dry mil thicknesses. Magnetic testing devices
will be used to determine if sufficient materials are applied.
6.4.
SURFACE PREPARATION: Coating requirements and their accompanying surface
preparation techniques are dependent on exposure conditions and environment.
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SUPPLEMENTAL SPECIFICATIONS
DIV. 20-3
6.4.1. Initially all surfaces to be coated shall be prepared in a workmanlike manner
with the objective of obtaining a clean, dry, and properly prepared substrate.
6.4.2. No coating work shall begin before the prepared surfaces or the manners of
preparation are reviewed by the resident observer.
6.4.3. All surfaces shall be prepared in accordance with the more stringent of selected
coating manufacturer’s current data sheets, or as specified herein.
6.4.4. All metal surfaces including plates, shapes, accessories, appurtenances, and all
other metal components of the steel sphere shall be prepared for painting in
accordance with these Specifications and with Surface Preparation Specifications
of the Steel Structures Painting Council (SSPC). All welded joints shall be cleaned
of slag and weld splatter by blasting, grinding, sanding or wire brushing to the
satisfaction of the Owner.
6.4.5. SPECIAL NOTE REGARDING SURFACE PREPARATION ACTIVITIES: It
shall be the Contractor's responsibility to prevent damage to any persons,
structures, vehicles, vegetations, pets, livestock, etc., that might be affected by
transmittal of blasting media, blasting debris, or other media produced by surface
preparation activities, by wind or other means, during the performance of the work
outlined herein.
6.4.5.1.
It shall be the complete responsibility of the Contractor to erect
containment facilities as required to prevent damage as noted above. The
Contractor will protect, indemnify and hold harmless the Owner and
Engineer, and their Board, officers, agents, and employees from any claim,
loss or lawsuit (including costs and attorney's fees), arising from any act of
the Contractor, or any of his subcontractors, or any failure to act on the part of
the Contractor or any of his subcontractors, in connection to or related to the
performance of this contract. Said risk shall be insured in a policy naming the
Board and the Engineer as named insureds by endorsement in accordance, and
in the amount provided elsewhere in this contract.
6.4.6. Sphere Exterior Surface: Exterior surfaces of the sphere and its structural
components and accessories shall be prepared for painting in accordance with
SSPC surface Preparation Specification No. 10, Near White Blast Cleaning. The
entire exterior surface of the reservoir shall be field blast cleaned in accordance
with SSPC-SP-No. 10. Surface profile shall be 1.5-2.5 mils. All deposits of oil
and/or grease shall be removed by the method outlined in SSPC surface
Preparation Specification No. 1, Solvent Cleaning. All blast cleaned surfaces shall
then be cleaned so as to remove all contaminants, dust, and residue from surface
preparation procedures. All blast cleaned surfaces shall then be primed with a rustinhibitive primer as hereinafter specified. All blast cleaned surfaces shall be primed
as hereinafter specified within eight (8) hours after blast cleaning work on the
particular prepared section or area has been completed. Blast cleaned surfaces not
coated within the specified time during a day's operation shall be re-blasted before
coating. Under no circumstances shall the steel be permitted to rust after blast
cleaning, regardless of the time elapsed.
6.4.7. Sphere Interior Surfaces: BLANK
6.4.8. Additional Non-Sphere Surfaces or Components (vaults, vault piping, etc., as
may be applicable):
6.4.8.1.
Non-submerged Steel Surfaces: SSPC-SP6, Commercial Blast Cleaning
with two shop coats of rust-inhibitive primer; prior to installation such items
may be prepared for coating by SSPC-SP2, Hand Tool Cleaning, or SSPCPIR No. 4710
GAS SPHERE
SUPPLEMENTAL SPECIFICATIONS
DIV. 20-4
SP7, Brush-off Blasting.
6.4.8.2.
Non-submerged Cast Iron: SSPC-SP2, Hand Tool Cleaning, or SSPCSP7, Brush-off Blasting. Cast iron items delivered to the site with prime
coating already applied shall be as specified above, with patch coat applied as
required, and being fully compatible with prime coat. Items such as drive
units, motors, etc., that are delivered to the site with finish coatings already
having been applied shall be prepared in accordance with SSPC-SP1, Solvent
Cleaning; SSPC-SP2, Hand Tool Cleaning; or SSPC-SP7, Brush-off Blasting
as may be required. All coatings applied at the site shall be compatible with
any existing coating.
6.4.8.3.
Non-Submerged Masonry/Concrete: Scraping, wire brushing, SSPC-SP2,
Hand Tool Cleaning, or SSPC-SP7, Brush-off Blasting, as required to remove
loose substrate. Concrete /masonry shall not be coated when the surface
moisture is higher than 14 percent. Concrete floors to receive coatings shall
be sandblasted, chemically stripped, neutralized and rinsed. Concrete surfaces
shall have aged at least thirty days prior to the application of any coating.
6.4.8.4.
Brass, Bronze and Aluminum: Items fabricated from brass, bronze and
aluminum shall be properly cleaned, but not coated.
6.5.
APPLICATION OF COATINGS: All exterior and interior surfaces of the sphere
structural components, accessories, and appurtenances shall be prepared for painting
and shall be painted in accordance with these Specifications. All paints and coatings
shall be applied in strict accordance with manufacturer's instructions unless the
Engineers specifically authorize the Contractor, in writing, to modify the procedure
outlined in the manufacturer's instructions. Paints may be applied either by brush or
spray, unless one particular method is recommended by the paint manufacturer. All
paints and coatings shall be delivered to the job site in the original unopened containers.
The paint manufacturer shall supply the Engineers with a certificate that sufficient
quantities of materials were purchased to coat the surfaces in accordance with their
recommendations. Paints must be the product of an established, well-known
manufacturer, whose representative shall be available for consultation and advice, if
required, during the progress of the work. Should the Contractor propose the use of
paint of manufacturer other than specified, samples and analyses of the paint shall be
submitted to the Engineers for approval.
6.5.1. All paints and coatings shall be applied by qualified workmen, experienced in
the application of particular type of paint or coating used. Workmen shall exercise
extreme care to protect all painted surfaces and/or those prepared for painting. It
shall be the Contractor's responsibility to prevent damage to any structures,
vehicles, vegetations, pets, livestock, etc., that might be affected by transmittal of
solvent, or coating droplets, or mist, by wind or other means during the
performance of the work outlined herein. The Owner and Engineer, and agents and
employees of either, shall be indemnified and protected by the Contractor's
insurance regarding any claim or loss arising from any act of the Contractor or any
of his subcontractors, or any failure to act on the part of the Contractor or any of
his subcontractors, during the performance of work included in this project.
6.5.2. The Contractor is reminded that all surface preparation and painting work is
performed under the protective guidelines and requirements of OSHA "Safety and
Health Regulations for Construction", latest revision, as set forth in the Federal
Register, and that all such protection is the responsibility of the Contractor, and
shall be provided at the Contractor's expense.
6.5.3. Sphere Interior Surfaces: BLANK
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GAS SPHERE
SUPPLEMENTAL SPECIFICATIONS
DIV. 20-5
6.5.4. Sphere Exterior Surface: The coating system for painting exterior surfaces of the
sphere shall be in accordance with the requirements of these Specifications.
6.5.4.1.
All exterior surfaces shall be primed with one coat of Induron PE-70 or
RC-70 Epoxy at a rate to achieve 3.0 to 5.0 mils dry film thickness. After
proper curing, an intermediate coat of Induron Induraguard Epoxy shall be
applied at a rate to achieve 3.0 to 5.0 mils dry film thickness. After proper
curing, a finish coat of Induron Indurethane 6600 Plus shall be applied at a
rate to achieve 2.0 to 3.0 mils dry film thickness. The color of the second and
third coats shall vary slightly to ensure the use of the proper material. The
total dry film thickness for the exterior coating system shall be 8.0 to 13.0
mils.
6.5.4.2.
Lettering (where applicable) shall be applied in two coats using Induron
Indurethane 6600 Plus at a rate to achieve a dry film thickness of 2.0 to 3.0
mils per coat.
6.5.4.3.
All colors shall be as selected by the Owner.
6.5.5. Additional Non-Sphere Coating Systems (vaults, vault piping, etc., as may be
applicable):
ITEM
COATING SYSTEM NO.
Concrete Block Walls
1
Concrete Walls, Exterior
2
Concrete Walls, Interior
1
Concrete Ceilings, Interior
1
Concrete Floors
6
Exposed Piping (inside buildings, outside,
3
in pits, galleries, etc.)
Miscellaneous Metals, Motors, Pumps, Valves
4
Valve Stands, Valve Operators, etc.,
(Non-submerged)
Galvanized Piping, Conduit and Duct Work
5
6.5.5.1.
Additional Non-Sphere Coating Systems Defined:
1.
Induron P-1l20 Urethane Block Filler applied at a rate to completely fill pores in
block (use on concrete walls when required to fill voids); Perma-Clean II epoxy, 2 coats,
applied at a rate to achieve 2 mils per coat DFT, minimum.
Koppers Concrete and Masonry Filler applied at a rate to completely fill pores in block (use
on concrete walls when required to fill voids) at cover of 75-100 sq. ft. per gallon;
Glamorglaze 200 Epoxy, 2 coats, applied at a rate to achieve 2 mils per coat DFT,
minimum.
2.
Induron Super Latex Exterior Acrylic Latex, 2 coats, 2 mils DFT per coat.
Glamorglaze 200 Epoxy, 2 coats, 2 mils DFT per coat.
3.
coat.
Induron P30 Primer, 1 coat, 2.0 mils DFT; Indurlux II, 2 coats, 2 mils DFT per
Koppers 622 Primer, 1 coat, 1.5 mils DFT; RUSTARMOR 500 Speed, 2 coats, 2 mils DFT
per coat.
4.
coat.
PIR No. 4710
Induron P30 Primer, 1 coat, 2.0 mils DFT; Indurlux II, 2 coats, 2 mils DFT per
GAS SPHERE
SUPPLEMENTAL SPECIFICATIONS
DIV. 20-6
Koppers 622 Primer, 1 coat, 1.5 mils DFT; RUSTARMOR 500 Speed, 2 coats, 2 mils DFT
per coat.
5.
Induron H4-1109, 1 coat, 0.5 mil DFT; Induron P30, 1 coat, 2.0 mils DFT;
Indurlux II, 2 coats, 2 mils DFT per coat.
Koppers 40 Passivator, 1 coat, 0.5 mil DFT; Koppers 622 Primer, 1 coat, 1.5 mils DFT;
RUSTARMOR 500 Speed, 2 coats, 2 mils DFT per coat.
6.
6.6.
H & C Brand Concrete Stain" 2 coats
TESTING COATINGS:
6.6.1. Sphere Coatings: The following tests shall be performed with the equipment
listed. The Contractor shall be totally responsible for providing all equipment
required at no cost to the Owner, and all tests shall be performed in the presence of
the Engineer when so requested.
6.6.1.1.
Sling Psychrometer - Instrument used to determine percent of relative
humidity and dew point temperature.
6.6.1.2.
Surface Temperature Gauge - Used in conjunction with the Sling
Psychrometer to determine temperature of substrates prior to coating.
6.6.1.3.
Elcometer Surface Profile Gauge - A dial gauge which measures in mils
the profile depth, from peaks to valleys, of abrasive blasted surfaces.
6.6.1.4.
Wet Film Thickness - A wet film gauge of steel or aluminum, calibrated
to read in mils the wet film thickness of a coating while it is wet. When using
this gauge, the applicator divides the desired dry film thickness by the
VOLUME SOLIDS of the coating as expressed in a decimal (taking into
account the amount of thinning done) to yield the wet film thickness
necessary to yield the desired dry film thickness.
6.6.1.5.
Dry Film Thickness - An Elcometer Paint Inspector, or Microtest, or
similar approved gauge, is used to measure the thickness to the nearest mil. It
must be accompanied by a set of standard shims against which it can be
calibrated at least once per week in standard job site conditions. Use SSPCPA 2-73T as method for measurement.
6.6.1.6.
Film Continuity (for Sphere Lining Applications Only) - As noted
hereinbelow.
6.6.2. After the coating has been completed, the dry-film thickness of the coating shall
be measured by use of the Mikro-Test Dry Thickness Gage, or either a dry film
thickness gage as approved by the Engineers. Not less than ten (10) measurements
each shall be made of the exterior and interior coatings.
6.6.3. Should the measurements indicate deficiencies in film thickness in any area
(exterior or interior), or generally over the exterior and/or interior areas, the
Engineers shall order the Contractor to apply additional coating to remedy such
deficiencies.
6.6.4. After final coat has cured for a sufficient length of time the entire interior surface
shall be Holiday detected with a low voltage (67 1/2 volt) wet sponge Holiday
detection device. The Contractor shall provide a means whereby the entire interior
surface of the sphere can be wet sponged while standing on the bottom of the
sphere. The Holiday detection procedure shall be performed in accordance with the
recommendations of the coating manufacturer and the National Association of
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GAS SPHERE
DIV. 20-7
SUPPLEMENTAL SPECIFICATIONS
Corrosion Engineers Standard NACE T-65, "Recommended Practices for
Inspection of Linings on Steel and Concrete". The holiday detection device shall be
similar to a Tinker and Rasor Model M-l, and shall be fully calibrated and checked
against a known Holiday prior to use in order to insure proper working condition of
the device. Detected Holidays shall be marked and properly repaired by brushing
coating into and around the Holiday. After remedial coat has cured for a sufficient
length of time the area shall be rechecked following the above described procedure.
The recoating process shall be repeated by the Contractor at his own expense until
satisfactory results are achieved.
6.6.5. Additional Non-Sphere Coatings (as may be applicable): The following tests
shall be performed with the equipment listed. The Contractor shall be totally
responsible for providing all equipment required at no cost to the Owner, and all
tests shall be performed in the presence of the Engineer when so requested.
6.6.5.1.
Sling Psychrometer - Instrument used to determine percent of relative
humidity and dew point temperature.
6.6.5.2.
Surface Temperature Gauge - Used in conjunction with the Sling
Psychrometer to determine temperature of substrates prior to coating.
6.6.5.3.
Elcometer Surface Profile Gauge - A dial gauge which measures in mils
the profile depth, from peaks to valleys, of abrasive blasted surfaces.
6.6.5.4.
Wet Film Thickness - A wet film gauge of steel or aluminum, calibrated
to read in mils the wet film thickness of a coating while it is wet. When using
this gauge, the applicator divides the desired dry film thickness by the
VOLUME SOLIDS of the coating as expressed in a decimal (taking into
account the amount of thinning done) to yield the wet film thickness
necessary to yield the desired dry film thickness.
6.6.5.5.
Dry Film Thickness - An Elcometer Paint Inspector, or Microtest, or
similar approved gauge, is used to measure the thickness to the nearest mil. It
must be accompanied by a set of standard shims against which it can be
calibrated at least once per week in standard job site conditions. Use SSPCPA 2-73T as method for measurement.
6.7.
Additional Testing: After the new coatings have been in service for a period longer
than six months, but less than twelve months, the Owner will make arrangements for a
review of the coatings, both interior and exterior. The Contractor shall have a
representative present for the review (at no additional cost to the Owner), and shall be
prepared to perform any minor corrective work at the time of the review.
6.8.
CLEANUP: All work not to be coated, or previously coated, shall be carefully
protected during the coating of adjacent surfaces.
6.8.1. Any unspecified coatings which shall be found on review shall be thoroughly
removed, and the original specified coatings shall be applied at the Contractor's
expense.
6.8.2. Name and data plates on equipment shall not be painted, and shall be left clean
and legible upon completion of the project.
6.9.
SPECIAL REQUIREMENTS:
6.9.1. A special logo is required for the sphere and is detailed in the exhibit section of
these specifications.
6.10. CLEANING UP: After the work on the sphere and appurtenances is completed, the
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DIV. 20-8
SUPPLEMENTAL SPECIFICATIONS
Contractor shall remove or dispose of all rubbish or other unsightly material resulting
from the work, and shall leave the site in as good condition as it was found.
6.11. GUARANTEE: The Contractor shall guarantee the sphere for a period of one year,
with said guarantee providing that the Contractor will repair any defects due to faulty
design, workmanship, or material which become evident during the guaranty period.
7. SPECIAL NOTES TO CONTRACTOR
7.1.
GENERAL: The data provided herein is for use by the Contractor in preparing his
bid.
7.2.
PERMITS AND LICENSES: As noted in the General Conditions heretofore it is the
Contractor's responsibility to comply with all local, state and federal laws and
ordinances pertaining to the acquisition of permits and licenses as they relate to the
activities referred to in these Specifications and/or on the Drawings. Included in the
responsibility is the placement of a construction trailer or structure on or near the site of
the work.
7.2.1. The Contractor is requested to contact the appropriate County and/or City
official or office regarding the requirements concerning permits, licenses, fees
and/or other requirements for performance of construction work within the
boundaries of the County and/or City in which the work is located.
7.3.
CONTRACTOR REQUIREMENTS: The Contractor shall employ a competent
superintendent and necessary assistants who are acceptable to the Owner who shall be
in attendance at the site of the work during the progress of the work. The superintendent
shall represent the Contractor, and all communications given to the superintendent shall
be as binding as if given to the Contractor.
7.3.1. The Contractor's superintendent is responsible for coordinating the work of all
subcontractors, and his presence at the site of the work is necessary for the
satisfactory performance of his supervisory duties, and for the coordination of the
work of all subcontractors. It is the sole responsibility of the Contractor to
determine if his subcontractors and suppliers have included in their proposals to
him all components and accessories necessary for a complete and acceptable job,
and in submitting his bid, the Contractor assumes complete and full responsibility
for same.
7.3.2. The Contract Drawings, together with all supplemental data, shall constitute the
Contract Documents. The Drawings shall be utilized in conjunction with the
Specifications and Other Contract Documents, and shall constitute an integral part
of the Contract Agreement. Any apparent conflict between the Drawings.
Specifications, and other Contract Documents shall be submitted to the Engineer
for clarification and the Engineer's decision shall be final.
7.3.3. The dimensions and/or elevations shown on the Drawings are provided for use
by the Contractor for the layout of the work. Where the outcome of the Contractor's
efforts is affected by finish dimensions, such dimensions shall be reviewed and
concurred in by the Contractor at the site of the work, and the total responsibility
for same shall be assumed by the Contractor. Drawings and Specifications are
intended to be inseparable, and where work is specified in one but not in the other,
it shall be performed and completed as though it was specified and/or contained in
both.
7.3.4. The Contractor is reminded that a particular brand or type of equipment depicted
on the Drawings as being utilized in the work may require different accessories,
controls and connections than that proposed for use by the Contractor. It is not
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SUPPLEMENTAL SPECIFICATIONS
DIV. 20-9
intended that the Drawings and these Specifications contain all accessories,
controls and connections that are required for all types of equipment that might be
incorporated in the project. It is the complete and total responsibility of the
Contractor to ascertain that the manufacturer of the equipment proposed for use
includes all accessories, circuits, piping, connections, etc., as required for a
complete and satisfactorily operable installation.
7.4.
CONTRACTOR EXPERIENCE: By virtue of his submitting a bid to perform the
work of constructing and completing the works of improvements described herein the
Contractor hereby implies and states that he is experienced in construction activity of
this type, that he has the financial resources to complete same, and that he is familiar
with all aspects of the work required to satisfactorily complete the job.
7.5.
PROJECT SAFETY: The Contractor shall be responsible for initiating, maintaining
and supervising all safety precautions and programs in connection with the work
continuously, 24 hours per day.
7.6.
The Contractor, in the prosecution of his work under the Contract, is bound by the
requirements of "Safety and Health Regulations for Construction" of the Occupational
Safety and Health Administration, U.S. Government Department of Labor, and of other
authorities having jurisdiction in safety or related matters.
7.6.1. Under the terms and conditions of this Contract, the Engineer shall not act as
Safety Engineer or Safety Supervisor, since such responsibility remains solely with
the Contractor. The Engineer shall not be responsible for establishing safety
practices or for prescribing safety measures for the Contractor, either on or off the
jobsite.
7.6.2. The Contractor shall take all reasonable precautions for the safety of, and shall
provide all reasonable protection to prevent damage, injury or loss to:
7.6.2.1.
All employees on the work and all other persons who may be affected
thereby;
7.6.2.2.
All the work and all materials and equipment to be incorporated therein,
whether in storage on or off the site, under the care, custody or control of the
Contractor or any of his Subcontractors; and
7.6.2.3.
Other property at the site or adjacent thereto, including trees, shrubs,
lawns, walks, pavements, roadways, structures and utilities not designated for
removal, relocation or replacement in the course of construction.
7.6.3. The Contractor shall give all notices and comply with all applicable laws,
ordinances, rules, regulations and lawful orders of any public authority bearing on
the safety of persons or property or their protection from damage, injury or loss.
7.6.4. The Contractor shall erect and maintain, as required by existing conditions and
progress of the work, all reasonable safeguards for safety and protection, including
posting danger signs and other warnings against hazards, promulgating safety
regulations and notifying owners and users of adjacent utilities.
7.6.5. When the use or storage of explosives or other hazardous materials or equipment
is necessary for the execution of the work, the Contractor shall exercise the utmost
care and shall carry on such activities under the supervision of properly qualified
personnel.
7.7.
RESPONSIBILITY OF ENGINEER AND OWNER REGARDING SAFETY: The
duty of the Engineer to review the work in order to determine its acceptability in
accordance with the Specifications and to conduct construction review of the
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SUPPLEMENTAL SPECIFICATIONS
Contractor's performance for the benefit of the Owner, shall not be construed as a duty
to review the adequacy of the Contractor's safety measures on or near the construction
site and/or to direct the actions of the Contractor's safety measures on or near the
construction site and/or to direct the actions of the Contractor's employees or the Subcontractor's employees in the performance of the work. Such a duty is not included in
the responsibilities or obligations of the Engineer or of the Owner. The Contractor shall
be totally responsible for safety as it relates to any aspect of the work.
7.8.
EXISTING FACILITIES: Existing facilities as may be shown on the Drawings or
referred to herein are shown in the respective location(s), and are shown as to type and
size (and depth where applicable) as indicated on available records. No guarantee is
provided by either the Owner or Engineer as to the accuracy or adequacy of such
information. The Contractor is advised to perform additional investigations as he may
deem necessary.
7.8.1. The Contractor shall assume all liabilities and risks associated with the
performance of the work in the vicinity of existing facilities, or in the vicinity of
ties to existing facilities.
7.9.
SCHEDULING THE WORK: All proposed activities requiring partial or complete
shutdown of existing operating systems or facilities shall be scheduled by the
Contractor and approved by the Owner as far in advance as possible. It is imperative
that operating systems and facilities not be out of service longer than the period agreed
to by the Owner.
7.10. SUBMITTAL REQUIREMENTS: All submittal data submitted to the Engineer
shall include, but not be limited to, the following:
7.10.1. Notations on the drawings and/or accompanying data which denote particular
aspects of the item(s) submitted that may differ from the Specifications or that
shown on the Engineering Drawings.
7.10.2. Sheet number(s) of the Engineering Drawings which reflect the location(s) of the
item(s) submitted.
7.10.3. Section(s) or page number(s) of the Specifications which contain data pertaining
to the items submitted.
7.11. OPERATION AND MAINTENANCE DATA: Upon completion of the project,
prior to acceptance, the Contractor shall provide the Engineer with four (4) complete
sets of operation, maintenance and instruction data pertaining to all components
contained in this project.
7.11.1. All data shall be "original" material. Machine copies of data shall be
unacceptable. Material shall be bound in the same sequence and format as the
Special Conditions of these Specifications and shall be likewise indexed as to
sections and sub-sections. There shall be one comprehensive index placed in the
front of the binder(s) which lists all contents. Each section shall be equipped with
its own index. All sections shall have colored file guides at the beginning of each
section and all sub-sections shall be marked with tabs of the same color. No two
adjacent sections shall use the same color coding.
7.11.2. After all data has been organized in the manner specified heretofore it shall be
neatly bound in heavy duty expandable post binder(s) similar to Wilson Jones No.
564-64LH, or equivalent. All binders shall be permanently labeled with the name
of the project.
7.11.3. File guides shall be full-page size and shall be plastic coated on front, back and
edges. File guides shall also have added tab reinforcement and shall be similar to
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SUPPLEMENTAL SPECIFICATIONS
Smead, Oxford, or equivalent. Tabs shall be pre-cut, pressure sensitive, similar to
Aico, or equivalent.
7.12. PRE-BID CONFERENCE: The Contractor is reminded that a pre-bid conference
regarding this project will be held. The date and time will be determined later, prior to
the receipt of bids, and all appropriate parties will be notified via a Contract Addendum.
The Contractor is reminded that attendance at the pre-bid conference is mandatory and
is a prerequisite to the Contractor submitting a bid. Contract documents will not be
issued to a contractor requesting same (does not include suppliers and subcontractors)
after the time and date of the conference unless said contractor has a representative in
attendance at the conference.
7.13. NOTICE OF PCB CONTAMINATION: The Contractor is reminded of PCB
contamination on and around the site of the gas sphere. Any soil disturbance should be
avoided. If soil disturbance is necessary, proper notification should be given to any
federal, state, or local authority having jurisdiction and any soil taken off site should be
handled and disposed of in accordance with any federal, state, or local standard. See
letter from ADEM in the exhibit section of these Specifications.
7.14. REMOVAL AND DISPOSAL OF LEAD-BASE COATINGS: The Contractor is
reminded that one or more of the water storage tanks included in this project have been
determined to have been coated with lead-base coatings previously. The Owner has
caused an independent investigation to be made as to the lead content of the coatings
now in place, a copy of which is included in the Appendix of these Specifications. A
similar determination has been made regarding the lead content, if any, of the grade
soils in the immediate vicinity of each of the tanks, and is likewise included in the
Appendix. The Contractor is reminded that the Owner and the engineer have only the
information as may be shown or included herein, and do not know, nor purport to know
or be aware of any additional information available, and do not know, nor purport to
know or be aware of all of the materials or items that may be encountered by the
Contractor or his subcontractors during the performance of the work. The Contractor is
hereby requested to perform such additional investigations as may be deemed
appropriate. Additional testing as required shall be performed by the Contractor to
determine the amount of leachable contaminants that are present in the potential spent
cleaning debris, the amount of leachable contaminants present being dependent on the
method(s) employed by the Contractor in removing the existing coatings materials. The
Contractor shall be fully responsible for, and shall assume all risks associated with the
nature of the materials and/or components encountered during the performance of the
work.
7.14.1. The following suggested precautions to be employed during the performance of
the work are obtained from SSPC-Guide 6I, and shall be utilized or modified as
desired by the Contractor to achieve full compliance with all local, state and
federal regulations:
7.14.2. Containment Systems:
7.14.2.1. The Containment system (when required) utilized for open abrasive blast
cleaning using recyclable or non-recyclable abrasives shall be selected by the
Contractor with consideration being given to the tank location; proximity of
existing residents and houses; traffic flow; potential climate changes; local,
state and federal codes, etc., and shall be one of the following:
7.14.2.1.1.
Class 1: This system provides the greatest level of dust and debris
containment. It normally requires impermeable walls with rigid or
flexible framing, fully sealed joints, airlock entryways and negative air
achieved by forced air flow.
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DIV. 20-12
7.14.2.1.2.
Class 2: This system provides a very high level of dust and debris
containment. It normally requires impermeable walls with rigid or
flexible framing, fully sealed joints, sealed entryways and negative air
achieved by forced air flow.
7.14.2.1.3.
Class 3: This system provides a moderate level of dust and debris
containment. It normally utilizes impermeable or permeable walls with
rigid or flexible framing, sealed joints, partially sealed entryways and
forced air flow.
7.14.2.1.4.
Class 4: This system provides a moderate level of dust and debris
containment. It normally utilizes permeable walls with rigid or flexible
framing, and partially sealed joints and entryways.
7.14.2.1.5.
Class 5: This system provides a minimal level of dust and debris
containment. It normally utilizes permeable walls with flexible framing,
open seams and entryways and natural air flow.
7.14.3. Containment Enclosure Components:
7.14.3.1. The containment enclosure components shall be either of the items as
identified below, as selected by the Contractor:
7.14.3.1.1.
Containment Materials:
7.14.3.1.1.1. Type A1, Rigid: Containment materials consist of singular
panels, interlocking panels, or modular construction of plywood,
aluminum, rigid metals, plastic, etc.
7.14.3.1.1.2. Type A2, Flexible: Materials are comprised of screens, tarps,
drapes, plastic sheeting, etc.
7.14.3.1.2.
Air Permeability of Containment Materials
7.14.3.1.2.1. Type B1, Air Impermeable: Materials shall be impervious to
dust or wind, and shall include tarps or drapes, plastic sheeting,
panels, etc.
7.14.3.1.2.2. Type B2, Air Permeable: Materials shall be formed or woven
so as to allow air flow, while retaining some airborne particles.
7.14.3.1.3.
Support Structure:
7.14.3.1.3.1. Type C1, Rigid: Structure allows no movement, and is
comprised of scaffolding and framing.
7.14.3.1.3.2. Type C2, Flexible: Structure allows minor movement, and is
comprised of cables, chains, etc., to which the containment
materials are attached.
7.14.3.1.3.3. Type C3, Minimal Support: Structure includes little or no
supporting structure beyond that required to affix the containment
materials.
7.14.3.1.4.
PIR No. 4710
Treatment of Joints:
7.14.3.1.4.1. Type Dl, Fully Sealed: AU mating joints between the
containment materials and the containment structure are sealed by
overlapping and the use of tape, caulking, etc.
GAS SPHERE
DIV. 20-13
SUPPLEMENTAL SPECIFICATIONS
7.14.3.1.4.2. Type D2, Partially Sealed Joints: Containment materials are
mated together without the use of overlapping seams. Complete
sealing of joints is not achieved.
7.14.3.1.5.
Entryways:
7.14.3.1.5.1. Type El, Fully Sealed With Air Locks: Includes the use of
access doors that can be repeatedly resealed; air locks are used in
addition to the doors to minimize air exchanges.
7.14.3.1.5.2. Type E2, Entryway With Overlapping Door Tarps: Includes
the use of multiple flap overlapping door tarps to minimize the
escape of dust.
7.14.3.1.5.3. Type E3, Entryway Through Open Seams: Special doors are
not employed; entry into the work area is made through unsealed
seams in the containment materials.
7.14.3.1.6.
Air Make- Up Points:
7.14.3.1.6.1. Type F1, Controlled Air Make-Up: Employs the use of
baffles, louvers, flap seals, filters and ducts on make-up air entry
points to preclude inadvertent escape of abrasive and debris; mayor
may not be used in combination with fans.
7.14.3.1.6.2. Type F2, Open Air Make-Up: Employs the use of open entry
points without the use of ducts, valves or baffles.
7.14.3.1.7.
Ventilation System Components:
7.14.3.1.7.1. Type G1, Forced Input Air Flow: Fans or blowers are utilized
at air entry points to assist with air flow through the containment
structure.
7.14.3.1.7.2. Type G2, Natural Input Air Flow: Fans or blowers are not
utilized.
7.14.3.1.8.
Air Pressure Inside Containment:
7.14.3.1.8.1. Type H1, Instrument Verification: An average minimum
negative pressure throughout the enclosure of 0.03" water column
relative to ambient conditions is maintained.
7.14.3.1.8.2. Type H2, Visual Verification: Negative pressure shall be
maintained throughout the enclosure as evidenced by the concave
nature of the wall, ceiling or floor materials, or by using smoke or
other visible means.
7.14.3.1.8.3.
7.14.3.1.9.
Type H3, Negative Pressure Not Required
Air Movement Inside Containment:
7.14.3.1.9.1. Type I1, Minimum Air Movement: Crossdraft velocity of 100
feet per minute of cross-sectional wall area to which dust collector
is attached; downdraft velocity of 50 feet per minute of square feet
of floor space of containment.
7.14.3.1.9.2.
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DIV. 20-14
7.14.3.1.10.
Exit Air Flow/Dust Collection:
7.14.3.1.10.1. Type Jl, Air Filtration Required: Forced exit air flow into dust
collectors or bag houses that are properly sized.
7.14.3.1.10.2. Type J2, Air Filtration Not Required
7.14.4. Assessing Quantity of Emissions:
7.14.4.1. Surface preparation and removal of coatings produce dust and debris
which may be emitted into the environment. The assessment of the quantity of
emissions (when required) during the performance of the work shall be the
total responsibility of the Contractor, and shall be one of the following:
7.14.4.1.1.
Visible Emissions:
7.14.4.1.1.1. General Surveillance - Visible emissions are permitted at
given frequencies or durations, provided they do not extend beyond
an established property line or work boundary line. "Level 0"
emissions are defined as no visible emission, and can not usually be
achieved during surface preparation activities. "Level 1" emissions
are random, and are of cumulative duration of no more than 1% of
the work day. "Level 2" emissions are random, and are of
cumulative duration of no more than 5% of the work day. "Level 3"
emissions are random emissions, and are of cumulative duration of
no more than 10% of the work day. "Level 4" emissions are
unrestricted, and may occur at any time during the performance of
the work.
7.14.4.1.1.2. Opacity Scale - Opacity measurements are made by trained,
certified observers. A scale from 0% to 100%, in 5% increments is
used. Measurements are typically made at 15 second intervals for
given periods of time such as 30 minutes, 60 minutes, etc.
7.14.4.2. Ambient Air Monitoring Using High Volume Samplers: High volume air
samplers using PM-10 heads are used to assess the total amount of particulate
matter ten microns (0.39 mils) or less in size that escape the contained work
area. Monitoring shall begin at least 48 hours prior to commencement of the
work in order that background levels can be established.
7.14.4.3. Ambient Air Monitoring Using Personnel Monitors: A personnel air
monitor is placed inside the containment in a representative area. Additional
monitors are placed immediately outside the containment area. The monitors
are run for equivalent amounts of time and the weights of particulate matter
collected by each of the monitors are determined. The result from each
outside monitor is divided by the result of the inside monitor, and multiplied
by 100 to obtain a percentage.
7.14.4.4. Ambient Air Monitoring For Hazardous Elements: Monitors are placed at
appropriate locations based on wind direction and proximity to homes,
businesses, etc. Emissions can be assessed by Method D1 (EPA Criteria for
Lead), Method D2 (Modified EPA Criteria for Lead), or Method D3 (OSHA
Criteria for Lead).
7.14.5. Methods of Coating Removal:
7.14.5.1. Open Abrasive Blast Cleaning With Expendable Abrasives: Includes
blast cleaning using compressed air to propel abrasives through nozzles.
Abrasives consist of natural minerals and mineral slags. Manufactured
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SUPPLEMENTAL SPECIFICATIONS
abrasives such as "Blastox" may also be utilized.
7.14.5.2. Open Abrasive Blast Cleaning With Recyclable Abrasives: Includes blast
cleaning using compressed air to propel abrasives through nozzles, except that
the abrasives are collected, cleaned of coatings, and are reused. Cast steel,
malleable iron, chilled cat iron or garnet may be utilized.
7.14.6. Methods of Collecting Debris:
7.14.6.1. Localized Collection at Point of Cleaning: This method involves
surrounding the coating removal equipment with a localized containment
enclosure equipped with a vacuum to permit the collection of the debris as it
is being generated.
7.14.6.2. General Area, Bulk Collection: This method includes the collection of
debris from ground covers, floor, deck, or structure components, either during
or after surface preparation.
7.14.6.3. General Area, Channeling: This method includes controlling the flow of
abrasive and paint debris in the direction of a central removal location with
the use of tarps, rigid panels, funnels or other suitable materials.
7.14.7. The Contractor shall note on the Bid Proposal in the space provided the type of
containment system (when required) proposed for use for each sphere renovation.
The information provided shall include (l)the containment material - flexible or
rigid, (2)the air permeability of the containment material - permeable or
impermeable, (3)The type of support structure - rigid, flexible or minimal support,
(4)the treatment of joints - fully sealed or partially sealed, (5)the type of entryway fully sealed with airlocks, entryway with overlapping door tarps, or entryway
through open seams, (6)the type of air make-up points - controlled air make-up or
open air make-up, and the manner in which the quantity of emissions is assessed
(when required).
7.14.8. The Contractor is requested to refer to 29 CFR 1926.62 Construction Industry
Standard For Protection of Workers From Lead (as amended) and 29 CFR
1910.1025 General Industry Lead Standard (as amended), The Contractor is also
requested to refer to Section 5.A(1) of the Occupational Safety and Health Act in
1970 ("General Duty Clause") regarding the furnishing of each employee a place of
employment free from recognized hazards.
7.14.9. Disposal of Lead-Contaminated Surface Preparation Debris:
7.14.9.1. Lead-base debris removed from the sphere structure shall be cleaned up
frequently to prevent heavy accumulation and scattering, and shall be stored
and covered in a manner so as to prevent contact with rainfall or runoff, and
to prevent potential dispersal at or around the site of the work. No debris shall
be allowed to fall directly on the ground. A sampling plan shall be developed
regarding the testing of the removed debris. At least four samples of each
coating shall be subjected to the Toxicity Characteristics Leaching Procedure
(TCLP) test. If the testing indicates that the debris is hazardous, then the
debris must be disposed of or treated in accordance with USEPA, RCRA, and
other state and local regulations, all at the responsibility of the Contractor.
7.14.9.2. The Contractor shall assist the Owner in acquiring all of the necessary
permits and approvals regarding proper disposal of the lead-base debris,
including a "generator's identification number" from EPA. Under no
circumstances shall the Owner be responsible for any aspect of the lead-base
debris after disposal regarding the manner of accumulation at the site of the
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DIV. 20-16
work, protection prior to disposal, shipping to the point of disposal, testing
required by owners of disposal sites, etc., it being the responsibility of the
Contractor to perform all such activities in a satisfactory manner in
accordance with all local, federal and state requirements applicable at the time
the work is performed. The Contractor shall provide the Owner with all
documentation required, evidence of compliance with testing requirements,
and completed manifest forms. The Contractor is requested to review current
provisions or Chapter 335-14-3, "Standards Applicable To Generators or
Hazardous Waste and/or Other Waste", Administrative Code, Division 14,
Alabama Department of Environmental Management.
7.14.10.
Testing of Soils at the Site of the Work Following Removal and Disposal
of Lead-Base Coatings:
7.14.10.1. Following the completion of all activities related to the removal of all
lead-base coatings, and the disposal of the lead-containing spent blasting
media, the Owner shall retain the services of an independent testing
laboratory to perform appropriate tests of the soils at the site of the work (the
"site" being defined as the area located within the confines of the boundaries
of the property on which the sphere is located, said property owned by the
Owner), with the location of the sampling and the frequency of same to be
determined by the Owner. The Owner shall assume all costs associated with
the sampling at the site of the work.
7.14.10.2. Should it be determined that the lead (or other hazardous material)
content of the soils at the site of the work has been altered during the
performance of the work to the extent that the degree of contamination has
increased to concentrations that are unacceptable by the appropriate local,
state or federal regulatory agency regarding such issues, then the Contractor
shall be totally responsible, at his expense, to retain the services of an
independent testing laboratory (to be approved by the Owner) to perform
appropriate tests (including the testing of soils and other tests as may be
required), including site property and property adjacent to the site of the work,
or in the general vicinity of the work, to determine the degree of
contamination(s), and shall assume and undertake the appropriate measures as
may be required, at his expense, to pursue and fully complete any and all
remediation efforts as may be required by the appropriate local, state or
federal regulatory agency having jurisdiction in such matters.
7.15. CONFINED SPACE HAZARDS: The Contractor is reminded that all aspects of
"Permit Required Confined Spaces for General Industry", Department of Labor,
Occupational Safety and Health Administration, 29 CFR Parts 1910, as applicable,
must be adhered to.
7.16. REVIEW OF BIDS RECEIVED: After receipt of bids the Engineer and Owner will
review the ability of the apparent low bidder to adequately pursue and complete a lead
abatement program (when required). The apparent low bidder's experience, references
and insurance will be closely reviewed (NOTE: The Contractor's Liability and Property
Damage Insurance shall provide protection against any claims for death, bodily injury,
or property damage resulting from the actual, alleged or threatened discharge, dispersal,
release or escape of pollutants associated with the Contractor's work, or in connection
with the work of his subcontractors; or by anyone directly or indirectly employed by
any of them, or by anyone for whose acts any of them may be liable. The Owner, its
agents, and the Engineer shall be named as additional insureds in said insurance policy,
and with such coverage. Due to the nature of the work, i.e., the generation of leadcontaining (or other regulated component) spent material and debris during the
performance of the work as a result of blasting activities, and the subsequent disposal of
same, regardless of whether or not the spent material and debris lead content (or other
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DIV. 20-17
regulated components) exceeds the maximum regulatory limit, an insurance
endorsement (in the amount $1,000,000 minimum) shall be provided that includes
Named Period Seepage, Pollution and/or Contamination. The cost of this insurance
shall be reflected in the line item price bid for performing the work at each respective
sphere site.).
7.17. OPERATION OF VALVES AND OTHER APPURTENANCES: The Contractor is
advised that only the personnel of the Owner are permitted to operate valves and other
appurtenances as may be required to facilitate the work. The Owner will work closely
with the Contractor in an effort to minimize any inconveniences to the Contractor
during the performance of the work. Under no circumstances shall tile Contractor
operate any valves or other appurtenances owned by the Owner without first having
received approval to so.
7.18. SPHERE REMOVED FROM SERVICE: The Contractor is advised that the gas
storage sphere included in the renovation activities is now removed from service and
will not be utilized during renovation activity.
7.19. CLEANUP: The Contractor shall be totally responsible for cleaning up and
removing all remnants and debris that may result from the renovation activities. Each
sphere site shall be thoroughly cleaned of all blast residues, coatings containers,
miscellaneous items, etc., and shall be restored as required to a condition equivalent to
that which existed prior to commencing work. Final payment for work performed will
not be made until all cleanup activities have been completed.
7.20. PICTURES AVAILABLE: The Contractor is reminded that a pictorial record is
available for review. A copy of the data is available as an exhibit to these
Specifications.
8. FINAL REVIEW AND ACCEPTANCE
8.1.
8.2.
GENERAL: Upon completion of the work by the Contractor the Contractor shall
notify the Engineer and Owner of the completion, and shall likewise notify the
Engineer and Owner that the project is ready for final review. Upon notification of final
review the Engineer and the Owner shall review the entire work. In order that the work
is qualified to be accepted in accordance with the provisions of these Contract
Documents the Contractor shall immediately correct any defects or faulty work pointed
out by the Owner or Engineer. It shall be the Contractor's responsibility to maintain and
service the work, and to keep all structures and appurtenances in appropriate condition
until the work is totally accepted.
ITEMS REQUIRED OF THE CONTRACTOR FOR FINAL ACCEPTANCE:
8.2.1. Affidavit of Publication! After the items of work have been completed to the
satisfaction of the Engineer and the Owner, the Contractor shall publish notice of
completion of the work. Four copies of Affidavit of Publication of such notice shall
be furnished to the Engineer. The final payment will not be made earlier than 30
days after the date of first appearance of said notice of completion.
8.2.2. Consent of Surety Company to Final Payment: The Consent of Surety Company
to Final Payment shall be AIA Document G707, latest revision.
8.2.3. Contractor's Affidavit of Release of Liens: The Contractor's Affidavit of Release
of Liens shall include the following wording:
8.2.3.1.
"The undersigned hereby certifies that to the best of his knowledge,
information and belief, the Releases or Waivers of Lien attached hereto
include the Contractor, all Sub- contractors, all suppliers of materials and
equipment, and all performers of Work, labor or services who have or may
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DIV. 20-18
SUPPLEMENTAL SPECIFICATIONS
have liens against any property of the Owner arising in any manner out of the
performance of the referenced Contract."
8.2.4. Contractor's Affidavit of Payment of Debts and Claims: The Contractor's
Affidavit of Payment of Debts and Claims shall include the following wording:
8.2.4.1.
"The undersigned hereby certifies that he has paid in full or has otherwise
satisfied all obligations for all materials and equipment furnished, for all
work, labor, and services performed, and for all known indebtedness and
claims against the Contractor for damages arising in any manner in
connection with the performance of the Contract referenced for which the
Owner or his property might in any way be held responsible.”
8.2.5. Subcontractor's and Supplier's Affidavit of Release of Liens and Payment of
Debts and Claims: The Subcontractor's and Supplier's Affidavit of Release of Liens
and Payment of Debts and Claims shall include the following wording:
8.2.5.1.
"By signature herein and acceptance of final payment, I hereby release
and waive any and all claims of lien, whether mechanic's lien, materialman's
lien, or other lien which might arise from and be asserted in connection with
the work performed as a condition precedent to receiving final payment,
against any property, improvements, estate or interest of any person or entity
whatsoever. By signature herein and acceptance of final payment, I hereby
certify that all to whom payment is due in connection with the work
performed as a condition precedent to receiving final payment shall be paid in
full."
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SUPPLEMENTAL SPECIFICATIONS
DIV. 20-19