1998- Specs
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SPECIFICATIONS
FOR
COTTAGES OF ALBERTVILLE TWO
ALBERTVILLE, MINNESOTA
PREPARED FOR
COTTAGES OF ALBERTVILLE, LLC
PROJECT NO. 920-96-296
BONESTROO WILLIAMSON KOTSMITH
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GENERAL REQUIREMENTS
GR-1 SUMMARY OF WORK
The work to be done under these Specifications includes the fumishing of all labor,
machinery, equipment, tools and other means of construction necessary for the complete
construction as shown on the plans and described in the Specifications for Cottages of
Albertville Two. The work includes grading, aggregate base, bituminous surfacing,
concrete curb and gutter, sanitary sewer, and water main.
GR-2 LOCATION OF WORK
The location of the work is on property of the Owner or street right-of-way as more
specifically described and shown on the drawings of the Plans. Confine all work to areas
shown.
GR-3 SPECIFICATIONS WHICH APPLY
3.1 The General Conditions and the Supplementary Conditions, which are attached to the
Specifications, shall govem the work of all persons engaged in the performance of the
Contract and shall form a part of the Contract. If there are discrepancies between the
General Conditions and the Specifications, the Specifications shall govem.
3.2 The "Standard Utilities Specifications for Water Main, Sanitary Sewer and Storm
Sewer Installation, City Engineers' Association of Minnesota", (latest edition) shall
apply to the utility construction in this Contract except as modified or altered in the
Special Provisions.
3.3 The State of Minnesota Department of Transportation "Standard Specifications for
Highway Construction", (latest edition), Division II and III, shall apply to all street
construction in this Contract except as modified or altered in the Special Provisions.
3.4 The following will be the order in which the Specifications apply:
1. Special Provisions.
2. General Requirements.
3. The Plans which are made a part of these Specifications by reference.
4. The referenced Specifications listed above.
5. The remaining Specifications attached.
GR-4 OWNER
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Whenever the word "Owner" is used in the sense of ownership or as a part of this Contract,
it shall mean Cottages of Albertville, LLC.
GR-5 TIME OF COMPLETION
All excavation, installation of underground utilities, appropriate testing, placement of curb
and gutter, aggregate base and bituminous binder mixture shall be completed by October
31, 1999.
The final bituminous wear course shall be completed by June 15, 2000.
GR-6 REFERENCE POINTS
The Owner will be responsible for the construction staking. Grade and line stakes will be
set at a minimum interval of 50 feet. The Engineer in charge of laying out the work is
Bonestroo Williamson Kotsmith, 2008 8th Street North, St. Cloud, Minnesota, 56303. The
Contractor shall protect and preserve the established reference points and grade stakes.
In case of his destruction thereof, the Contractor will be charged with the expense of
replacement and shall be responsible for any mistake or loss of time that may be caused.
GR-7 EXISTING UTiliTIES AND STRUCTURES
Existing underground utilities, as shown on the drawings, are located in accordance with
available data, but locations shall be determined by the Contractor as the work proceeds.
Excavations shall be done so as to cause no damage to the existing utilities. The
Contractor shall provide protection, temporary removal and replacement, or relocation of
any obstruction as required in the performance of his work. No extra payment will be made
for this work.
The Contractor will be responsible for any damages to existing structures, work, materials
or equipment because of his operations and shall repair or replace any damaged
structures, work, materials or equipment to the satisfaction of and at no additional cost to
the Owner. The Contractor shall be responsible for all damage to streets, roads, curbs,
sidewalks, bridges or other public or private property, which may be caused by transporting
equipment, materials or men to or from work. The Contractor shall make satisfactory
arrangements with the agency having jurisdiction over the damaged property concerning
its repair or replacement.
7.1 Contractor shall place the outgoing pipe in all existing sanitary sewer manholes with
an inflatable plug prior to construction and leave in place until the last lift of
bituminous surfacing is down or until the system is ready for use, which ever is later.
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GR-8 AIR AND WATER POLLUTION
Pollution of natural resources of air, land and water by operations under this Contract shall
be prevented, controlled and abated in accordance with the rules, regulations and
standards adopted and established by the Minnesota Pollution Control Agency, and in
accordance with the provisions of Mn/DOT Specification 1717.
The Contractor shall provide and maintain all sanitary accommodations for the use of his
employees as may be necessary to provide for their health and welfare which complies
with Federal, State and local codes and regulations.
GR.9 WARNING SIGNS AND BARRICADES
The Contractor shall furnish and maintain all barricades and signs and provide the
necessary flaggers and traffic control devices to divert, control and protect the public from
harm during construction of the project. Warning signs and barricades shall be in strict
compliance with Appendix "B" of the Minnesota Manual of Uniform Traffic Control Devices
for Temporary Lane Closures, Street and Highway Construction, Maintenance and Public
Utility Operations. The Contractor shall provide the Owner with the name and telephone
number of a person who can be reached at all times during the construction.
GR-10 MAINTENANCE OF TRAFFIC
10.1 The Contractor must erect all barricades and caution signing as an incidental item.
The Contractor shall submit a sign placement and nomenclature plan to the
Engineer. This submittal shall be provided no later than 10 days prior to
implementation.
10.2 The Contractor shall maintain residential traffic for local use. The Contractor shall
provide access to local property owners as work progresses.
GR-11 NOTIFICATION OF ENGINEER
The Contractor shall notify the Engineer 24 hours in advance conceming his plans for
carrying out each part of the project, but the Contractor alone shall be responsible for the
safety, adequacy and efficiency of his construction equipment and methods.
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GR-12 LIST OF SUBCONTRACTORS AND SUPPLIERS
Prior to the execution and delivery of the Agreement, the successful Bidder shall submit
a complete list, with names, addresses and telephone numbers, of all his subcontractors
and suppliers. This list shall identify the work and materials associated with each
subcontractor and supplier.
GR-13 SCHEDULE OF OPERATIONS
The Contractor shall submit to the Engineer not more than two weeks after Contract award
a schedule of all construction operations detailing the time of starting and completion of
each construction effort.
GR-14 SUBMITTAL OF SHOP DRAWINGS
14.1 The Contractor shall promptly submit to the Engineer six copies of all shop drawings
as specified so as to cause no delay in the work schedule. The Engineer shall pass
upon them with reasonable promptness. The Contractor shall make any corrections
required by the Engineer and file with him six corrected copies.
14.2 The Prime Contractor shall approve all shop drawings before transmitting them for
approval to the Engineer. The Engineer's approval of such drawings or schedules
shall not relieve the Contractor from his responsibility for errors in shop drawings or
schedules.
GR-15 SCHEDULES OF SUBMITTALS
The Contractor shall submit the following items to the Engineer for review and approval:
15.1 Prior to Start of Work
1 . Performance and Payment Bonds
2. List of Subcontractors and Suppliers
3. Insurance Certificates
4. Schedule of Operations
5. Cost Breakdown
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15.2 During Process of Work
ITEMS
REQUIREMENTS
Manholes and Special
Structu res
Submit Shop Drawings
Pipe and
Appurtenances
Valves
Submit Manufacturer's Data
Submit Manufacturer's Data and 0 & M
Instructions
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Concrete
Aggregate Base
Bituminous
Submit Design Mix & Test Results
Submit Test Results
Submit Design Mix & Test Results
GR-16 QUALITY CONTROL
16.1 Equivalent Equipment and Materials to Those Specified: Requests for review of
equivalency will not be accepted from anyone except the Contractor and such
requests will not be considered until after the Contract has been awarded.
16.2 Laboratory Tests: Laboratory tests shall be conducted by an independent laboratory
and test reports submitted where this type of test is specified. These tests shall be
performed in accordance with ASTM Standards or other applicable standards. The
Contractor shall pay for these tests with no additional compensation from the
Owner.
16.3 Field Tests:
1. Field tests of equipment, piping systems, control systems, sewer mains,
concrete and trench compaction shall be required. The testing of concrete
cylinders will be considered a part of field testing.
2. All testing shall be performed in accordance with applicable standards. The
Contractor shall provide and pay for all the testing with no additional
compensation from the Owner.
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3. The location and elevations of all field tests will be chosen by the Engineer.
Field tests will be witnessed by the Engineer. Field tests will be scheduled by
the Contractor with the approval of the Engineer. It would be to the Contractors
advantage to schedule these tests as promptly as possible.
GR-17 TRENCH BACKFILL
Unless otherwise specified, the density required shall be as follows:
17.1 Above the Granular Encasement up to three feet below the subgrade of all pipeline
excavations, material shall be compacted to a minimum of 95% of standard proctor
maximum density in accordance with ASTM 0698. From three feet below subgrade
to subgrade of all pipeline excavations, backfill shall be compacted to 100 percent
of standard proctor maximum density in accordance with ASTM 0698.
17.2 It is anticipated that the trench material in some areas will be over optimum in
moisture content. Dewatering may be necessary to facilitate the installation of the
utilities. During trench excavation, soils that are over optimum moisture shall be"
separated from other soils to prevent moisture transfer to the drier soils. Where
inadequate foundation is encountered, this material shall be excavated to a depth
as directed by the Engineer and Granular Foundation as described in the Standard
Utilities Specifications, Sec. 2621.2, shall be placed and compacted. The cost of
this imported aggregate shall include excavation, disposal of poor material,
placement and compaction of aggregate and shall be paid for as an extra item.
17.3 The trench backfill shall be brought to the optimum moisture content by the
Contractor, either by adding water or by aerating to reduce moisture content, before
compaction shall be attempted. Wet soils should be spread, dried, and stock piled.
If in the opinion of the Engineer and/or with the consultation of a Soils Engineer, and after
all attempts to dry the material have failed, and the material cannot reasonably be dried
to optimum moisture content, the Contractor will be allowed to place the wet material in the
trench backfill above the pipe zone to three feet below subgrade. Density tests will still be
required and the soils must be brought to 95% of the 0 air voids density for the moisture
content of the soil.
Except for Foundation Excavation and Granular Foundation, the above pipeline backfilling
operations shall be an incidental item to the price bid for the furnishing and installing of the
pipe.
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GR-18 SAMPLES AND TESTS
Prior to the placement of bituminous surfacing, the Contractor shall submit representative
samples of aggregate mixtures proposed to be used in the bituminous mixture to the
Minnesota Department of Transportation Office of Materials, or a testing laboratory
approved by the Engineer, for a trial mix design for each mixture designation specified on
the drawings. A copy of the trial mix design shall be given to the Engineer prior to
bituminous surfacing.
The concrete mix design being used by the Contractor shall be submitted to the Engineer
for approval prior to the beginning of concrete work.
Density tests will be required for the trench backfill, the subgrade and subgrade granular
borrow. The bituminous mixture shall also be tested for compliance with the specifications.
Testing shall be performed as necessary, to ensure adequate quality control is being
maintained in accordance with the following schedule:
18.1 Trench Backfill - One compaction test and associated Laboratory Proctor Test
where directed by the Engineer, for each 200 linear feet of trench backfilling.
Minimum acceptable densities and elevations shall be as stated in General
Requirement - Trench Backfill. Trench backfilling shall be interpreted to include
trenching for sanitary sewer mains, water mains, storm sewer mains and leads and
all services, both sanitary and water.
18.2 Utility Testing
1. This shall include a conductivity test, a pressure test and a bacteriological
pressure test for all water main. For sanitary sewer, testing shall include an air
test and a deflection test on all gravity flow pipe. Force main shall be
bulkheaded at each end and a water main pressure test will be conducted at a
pressure of at least twice the normal operating pressure.
18.3 Subgrade & Subgrade Granular Borrow
1. Immediately prior to placing subgrade granular borrow and/or aggregate base,
the subgrade shall be wheel rolled with a loaded dump truck. The Contractor will
be responsible for removing and recompacting any areas that are visually
observed to be unstable.
2. One gradation test will be taken for each 2000 cubic yards of subgrade granular
borrow placed.
18.4 Aggregate Base
1. The Quality Compaction Method will be used for spreading and compacting the
aggregate base. Immediately prior to placing the bituminous mixtures, the
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aggregate base shall be wheel rolled with a loaded dump truck. The Contractor
will be responsible for removing and recompacting any areas that are visually
observed to be unstable.
2. One gradation test will be taken for each 1000 cubic yards of each differing class
of aggregate base used on the project.
18.5 Concrete
1. One slump test, cylinder and an air test will be required for each day concrete
is placed, regardless of the amount of concrete used, or one test per 100 c.y.
poured, whichever is greater.
18.6 Bituminous Mixture
1. One composite test for extraction and gradation for every 1000 tons of
bituminous mixture placed.
2. Compaction operations shall be by the Ordinary Compaction Method.
Locations where tests are to be conducted or samples obtained will be designated
by the Engineer. All testing shall be performed by a recognized independent testing
and engineering laboratory in accordance with ASTM standards, unless otherwise
specified, at the Contractor's expense. No direct compensation will be made for this
testing. If tests indicate failure to comply with the specifications or borderline
compliance, testing frequency will be increased as directed by the Engineer. Where
testing shows noncompliance, retesting shall be performed following corrective
work.
GR-19 MATERIAL AND EQUIPMENT
19.1 Protection of Work and Equipment: The Contractor shall furnish and maintain
satisfactory protection of all equipment and materials.
19.2 Substitution and Product Options
1. After the Contract has been executed, the Owner and Engineer will consider
formal requests for the substitution of products in place of those specified when
the request is accompanied by complete data on the proposed substitution
substantiating compliance with the Contract Documents, together with a detailed
comparison of costs.
2. When the Contractor submits a request for substitution it is understood to mean
that the Contractor:
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Represents that he has personally investigated the proposed
substitute product and determined that it is equal to or superior
in all respects to that specified;
Will provide the same guarantee for the substitution that he
would for that specified;
Certifies that the cost data presented is complete and that he
waives all claims for additional costs related to the substitution
which may ultimately result;
Will coordinate the installation of the accepted substitute,
making such changes as may be required for the work to be
complete in all respects; and
Will pay all costs of re-design necessary to incorporate
substitute material into the project.
GR-20 STATE APPROVAL
All construction shall comply with current requirements and regulations of the Minnesota
Pollution Control Agency and the Minnesota Department of Health.
GR-21 MAIL SERVICE
It shall be the responsibility of the Contractor to maintain mail service to all residents within
the construction area during the course of construction. All mailboxes that are disturbed
shall be reset by the Contractor at the completion of construction, as an incidental item.
GR-22 OCCUPATIONAL SAFETY AND HEALTH STANDARDS-EXCAVATIONS
It shall be the responsibility of the Contractor to comply with the excavation standards
identified in the October 31, 1989 Federal Register 29 CFR Part 1926.
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SPECIAL PROVISIONS
SP-1 CLEARING & GRUBBING
The Contractor shall dispose of all stumps and branches outside the construction limits.
He shall assume complete responsibility for acceptable disposal of all debris.
SP-2 SITE GRADING
This work shall include grading of proposed roads and lots as indicated on the plans or as
modified below.
Excess materials shall remain the property of the Owner/ Developer and be placed on the
site as indicated on the plans or as directed by the Owner.
In the roadway section, the contractor shall excavate or fill to subgrade grade as shown on
the typical section.
Lots shall be graded to an elevation six inches below finished grade and building pads
graded to the finish floor elevation as shown on the Grading Plan.
Topsoil shall be stripped in all pad locations and fill areas. Topsoil shall be respread to a
depth of six inches when grading operation have been completed on the lots.
SP-3 SUBGRADE EXCAVATION
The subgrade excavation shall be used only with the approval of the Engineer or his
representative. This item will be utilized only when the Engineer feels that the street
subgrade is not suitable in its existing state.
This item shall include the excavation and removal from the site. Disposal of this material
will be the responsibility of the Contractor.
No increase in unit price will be allowed regardless of whether or not a greater or lesser
quantity is used than indicated.
This item will be used only at the discretion of the Engineer.
SP-4 SUBGRADE GRANULAR BORROW
This item shall be utilized only when and where approved by the Engineer.
The Quality Compaction Method will be used on this project.
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The Contractor shall not haul any subgrade granular borrow to the project prior to the
Engineers approval.
No increase in unit price will be allowed regardless of whether or not a greater or lesser
quantity is used than indicated.
Subgrade granular borrow will be measured and paid for by loose volume in vehicular
measure of the material delivered and placed.
SP-5 AGGREGATE BASE, CLASS 5 (100% CRUSHED)
Aggregate base courses shall be constructed in accordance with the provisions of Mn/DOT
2211 except as modified below:
Aggregate for base construction shall be Class 5 and shall conform to the
requirements of Mn/DOT 3138. The aggregate shall be sampled, tested, and
inspected prior to being incorporated permanently in the work.
Compaction shall be achieved by the Quality Compaction Method described in
Mn/DOT 2211.3C2.
Aggregate base will be measured and paid for by vehicular measure in cubic
yards of material delivered and placed.
SP-6 CONCRETE CURB & GUTTER
Concrete curb and gutter, shall be 28" surmountable according to the City of Albertville's
Standard Detail.
The Contractor shall hire an independent testing laboratory to provide a slump test,
cylinder, and an air test for each day of placing concrete. Any concrete not tested as
required by the General Requirements will be removed and replaced.
All curb joints shall be sealed per Mn/DOT Standard Specifications.
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SP-7 BITUMINOUS MIXTURE
The bituminous material used shall be AC-1.
The amount of bituminous material incorporated into the mixture shall be govemed by the
design mix or adjustments thereto. Design mixes used by Mn/OOT shall be accepted
when presented in writing to the Engineer. If no Mn/OOT design mix exists, the Contractor
shall supply a design mix to the Engineer, prepared by an independent testing laboratory.
The Contractor shall pay for all costs of producing the design. Compaction shall be
obtained by the Ordinary Compaction Method.
All in-place bituminous and gutters shall have a tack coat applied before new construction
connects to old. Tack Coat shall also be applied between each bituminous course. Tack
shall be applied at a rate of 0.05 gaVs.y.. Bituminous tack coat, materials and application,
shall be considered incidental to the bituminous mixtures.
Bituminous mixtures used shall be as shown on the typical sections in the plans.
SP-8 SANITARY SEWER
All sanitary sewer, unless otherwise noted, shall be Poly-Vinyl Chloride (PVC) pipe
conforming to ASTM 0-3034, SOR 35, with watertight rubber gasket joints conforming to
the requirements of ASTM F-477 and ASTM 0-3212. In certain instances, where 18 inch
vertical crossing separation or 10 foot horizontal separation between water and sewer lines
cannot be maintained, PVC pressure pipe conforming to ASTM 0-2241, SOR 26 shall be
installed. No extra payment will be made for using SOR 26 pipe in place of SOR 35 pipe.
When connecting to existing sanitary sewer pipe or manholes, the Contractor will be
required to "ball" the outlet pipe of the nearest existing downstream manhole. The pipe will
remain blocked until all sanitary manholes are raised just prior to wear course application.
Prior to removing the ball, all sanitary sewer main on the project shall be cleaned and all
sediment removed from the system.
Depth zone classifications will be used on this project. Payment will be made at the unit
cost for the individual depth zones as measured from the pipe invert to the top of grading
grade (Le., subgrade).
Granular Bedding and Granular Encasement are specified and shall be included in the
price of the pipe items. Granular Bedding and Granular Encasement are defined in
Section 2621.2, F, F1 and F2 of the "Standard Utilities Specifications". This material will
be required and must be included in the price per lineal foot for sewer installation.
Air tests and deflection tests shall be required on all flexible pipe. Deflection tests shall be
conducted at least 30 days after the backfill has been in place. No pipe shall exceed a
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deflection of 5 percent. The test shall be performed by pulling a mandrel, without the aid
of a mechanical pulling device, through the line. Any pipe not passing the air or deflection
test shall be re-excavated and re-bedded at no cost to the Owner.
Air tests and deflection tests shall be required on all sanitary sewer lines prior to final
acceptance unless such testing is specifically waived by the Engineer.
SP-9 SANITARY SEWER SERVICES
All sanitary sewer service lines shall be installed using PVC, SDR 26 meeting the require-
ments of ASTM 0-3034, and may be placed in a common trench with the copper water
service, provided a separation distance of 2 feet is maintained.
All adapters, couplings or special fittings required to complete the installation of the wye,
riser pipe and service pipe as shown on the project plans are considered incidental to the
cost of the service wye.
No riser pipe will be allowed if the invert of the sanitary sewer main is within 12.5 feet of
finished centerline grade.
SP-10 MANHOLES AND VALVE BOXES
Three-stage construction of all manholes and valve boxes, where roadway construction is
being accomplished, will be required. This means the casting shall be set to grade for
winter carry over and then adjusted to final grade just prior to the bituminous wear course
construction. No extra payment will be made for this three stage construction.
SP-11 WATER MAIN
All water main construction shall be in accordance with the "Joint Power Water Board
Standard Requirements for Design and Construction of Water Main" dated February, 1998.
All water main shall be PVC, C-900 with tracer wire. The joints shall be rubber gasket,
push-on type. The fittings shall be of the mechanical joint variety.
Bury depths of all water main and service line installations shall be 8 feet from top of pipe
to finished grade, or as noted on the Plans.
All water main connections shall be accomplished with a minimum amount of disruption
to service. All water "shut-ofts" and "tum-ons" will be conducted by the Joint Powers Board
system operator. The Contractor will not be allowed to operate any valves to control water
flow, regardless of whether the Contractor installed the valve or not. Water service must
be maintained to all existing users.
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SP-12 WATER MAIN FITTINGS
Ductile iron fittings are specified. Payment will be made based on the standard weight of
fittings as published in A WW A C-153. The weight of accessories shall be considered
incidental to the weight of the fitting itself.
Ductile iron pipe and/or valves, fittings, and appurtenances, shall be fully encased in
polyethylene film of 8 mil nominal thickness. The film shall be furnished in tube form for
installation on pipe and all pipe-shaped appurtenances such as bends, reducers, offsets,
etc.. Sheet film shall be provided and used for encasing all odd-shaped appurtenances
such as valves, tees, crosses, etc..
Installation shall be in accordance with AWWA C105, Type A.
Suitably restrained joint thrust protection is specified in accordance with AWWA C 600-82
and the Ductile Iron Pipe Thrust Restraint Design Handbook. Suitable joint restraint shall
include tying with threaded rod or Mega-Lug style restrained joints. No poured concrete,.
concrete block or wood thrust blocking will be allowed.
SP-13 WATER SERVICE
For all service taps, stainless steel saddle shall be used with corporation, Ford FS303 or
approved equal.
SP-14 EROSION CONTROL
All construction that occurs in areas where catch basins exist and silt will be carried into
the storm sewer system, will require the use of silt fence to prevent erosion. The
Contractor shall provide and install silt fence at locations as directed by the Engineer.
SP-15 TAPPING SLEEVE & VALVE
This item includes the labor and materials necessary to make the connection to the existing
water main. The tapping sleeve shall be stainless steel with a carbon steel flange. The
price bid shall include a resilient seated gate valve and box.
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