Meridian Park Well Bid Package 3.17.14TECHNICAL SPECIFI CA TIONS AND
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CONCEPTUAL WELL DESIGN
CITY OF MERIDIAN PARKS
AND RECREATION DEPARMENT
77 -ACRE PARK
IRRIGATION WELL
ISSUED FOR BIDDING AND CONSTRUCTION
March 2014
SPF WATER
�� ENGINEERING
CITY OF MERIDIAN 77 -ACRE PARK
IRRIGATION WELL
TABLE OF CONTENTS
Page No.
TECHNICAL SPECIFICATIONS................................................................................ 1 - 19
BID SCHEDULE......................................................................................................... 1 - 2
WELL CONCEPTUAL DESIGN................................................................................. 1 - 1
WELL LOCATION MAP............................................................................................. 1 - 1
Meridian Park Irrigation Well Table of Contents
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TECHNICAL SPECIFICATIONS
IRRIGATION WELL — MERIDIAN 77 -ACRE PARK
PART 1 - GENERAL
1.01 THE REQUIREMENT
A. The Contractor shall furnish all materials, labor, plant, equipment, tools, supplies,
transportation, and appurtenances for drilling, casing, developing, completing, and testing of
one new irrigation well for the City of Meridian Parks and Recreation Department (Owner) as
specified herein and in accordance with the requirements of the Contract Documents.
B. Approximate depths of drilling and lengths of well casings, screens, filter packs, and seals are
to be used for the purpose of price estimation only. Exact depths and lengths may be
adjusted by the Owner depending on subsurface conditions.
C. Work requirements are summarized below. Each item is discussed in subsequent sections of
the Specifications.
(1) Mobilize to the well site.
(2) Drill minimum 14 -inch borehole to approximately 450 feet below ground surface (bgs).
It is required that the well be drilled with mud rotary or reverse rotary methods.
(3) Conduct geophysical logging of the borehole if directed by Engineer.
(4) Furnish and install approximately 42 feet of 10 -inch diameter steel casing.
(5) Furnish and install approximately 330 feet of 10 -inch diameter PVC casing.
(6) Furnish and install approximately 80 feet of 10 -inch stainless steel well screen.
(7) Furnish, install, and settle sand filter pack.
(8) Furnish and install surface seal.
(9) Develop the well.
(10) Furnish, install, operate, and remove test pump.
(11) Demobilize from well site.
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D. All well construction work not specifically addressed in these specifications shall conform to
IDAPA 37.03.09 Well Construction Standards Rules (Idaho Department of Water Resources).
1.02 BEGINNING AND COMPLETION OF WORK
A. The work shall begin within 45 calendar days of receipt of notice to proceed from the Owner.
All work shall be completed within 90 calendar days of receipt of notice to proceed.
1.03 SERVICES FURNISHED BY THE OWNER AND ENGINEER
A. The Owner will provide land and rights-of-way for the Work specified in this contract. The
Contractor shall not enter on or occupy with laborers, tools, equipment, or material any ground
outside the property and rights-of-way provided by the Owner unless stated otherwise by the
Owner. Other contractors, employees, or agents of the Owner may enter the work site and
premises used by the Contractor for business purposes.
B. The Engineer, acting as the Owner's authorized agent, will participate in well testing,
evaluation of drilling characteristics, sample examination, and geologic and geophysical log
interpretation, and will advise the Contractor on the final design sizing and placement of well
casings, well screens, and sand filter pack.
C. The Owner will obtain the drilling permit. The Contractor is responsible for all other applicable
permits.
1.04 WORK SITE
A. The Work site is located on land owned by the City of Meridian Parks and Recreation
Department, in the NE'/4 NW'/4 Section 5, T2N, R1 E. The site is located south of Lake Hazel
Road, between Eagle Road and Locust Grove Road. The well location is approximately 125
feet south of the centerline of Lake Hazel Road and 25 feet west of the eastern property line.
The Engineer will stake the well location prior to Contractor mobilization. The Contractor shall
keep all work activity and equipment within the work area established by the Owner. Access
to the well site will be from a dirt farm road northeast of the well site.
1.05 DRILLING CONDITIONS
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A. It is anticipated that drilling will be in sediments such as clay, sand, and gravel. Static
groundwater level is anticipated to be approximately 115 feet. It is the Contractor's
responsibility to make his own determination of subsurface conditions.
B. It is the Contractor's responsibility to become informed about local conditions affecting this
Work. Neither the information contained in these specifications, nor gleaned from the Owner,
or their agents, shall act to relieve the Contractor from any responsibility set forth in the
contract.
1.06 CONTRACTOR QUALIFICATION AND EQUIPMENT
A. The Contractor shall have at least five years of well drilling experience and shall have
constructed at least 5 wells of comparable type.
B. The Contractor is responsible for providing mud rotary or reverse rotary equipment capable of
performing the Work specified.
C. Damages to the well or surrounding property by the Contractor's equipment, leased or
otherwise, shall be repaired or replaced at the Contractor's expense.
1.07 CONTRACT DOCUMENTS
A. The form and detail of the various features of the Work are illustrated on the following
drawings accompanying and made part of the Contract Documents:
Figure 1 — Meridian 77 -Acre Park Irrigation Well Conceptual Design
Figure 2 — Meridian 77 -Acre Park Irrigation Well Location Map
1.08 WATER, POWER, AND SITE IMPROVEMENTS
A. Water required for drilling purposes is available on site from a nearby well. This well
discharges into a concrete ditch running along Lake Hazel Road. The Contractor will need to
coordinate with the Owner on obtaining water from the well. If the Contractor wishes to obtain
water from other sources, he must provide for the quantity and quality of water required at his
own expense. Costs for pumps, water conveyance facilities, or transportation to the Work site
shall be borne by the Contractor including all necessary pumps, piping and components. All
water used for well construction purposes shall be of potable quality and adequately
disinfected to prevent contamination of the well.
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B. The Contractor shall provide, at his own expense, all necessary piping and components to
transfer the discharged well water from the drill site to a suitable disposal site. A plan for
water disposal must be provided by the Contractor and approved by the Owner prior to
commencing drilling. It is anticipated that groundwater can be discharged in the near vicinity
of the well site. Any groundwater discharged off-site must be dechlorinated.
C. The Contractor shall provide, at his own expense, all power required for his operations under
the contract.
D. Preparation of the drill site and excavation or backfilling of mud pits, ditches, or settling ponds
shall be the responsibility of the Contractor. The Contractor shall be responsible for protecting
life and property from excavated mud pits and settling ponds and shall backfill pits as soon as
drilling and testing operations are complete. Holes, pits, equipment, and chemicals shall be
safely stored and fenced per OSHA standards. All materials shall be stored where safe from
damage or contamination.
E. The Contractor will be responsible for complying with all applicable erosion and sediment
control requirements including applicable erosion control permits, and will be required to
prepare an erosion and sediment control plan.
1.09 WORKING HOURS
A. The Contractor shall work on this project in a steady and diligent manner. The Contractor
shall, during all work periods, provide an adequate crew of suitably qualified personnel to
prevent unnecessary delays in project completion. The Contractor may be required to provide
24-hour per day maintenance of pumping and monitoring equipment during test pumping.
1.10 EROSION AND SEDIMENT CONTROL
A. The Contractor will be required to prepare an erosion and sediment control plan for the drilling
and test pumping operation. The plan shall describe construction activities, nearby drainage
features, location and type of Best Management Practices (BMPs), inspection and
maintenance schedule, materials and waste management, spill prevention and control, the
responsible person for implementing the plan, and any other additional information required.
B. The Contractor will be required to provide a stabilized construction entrance/exit on the dirt
access road. Stabilization is required to prevent sediment from the field from being deposited
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on the access road and on Lake Hazel Road. The stabilized entrance/exit shall consist of
crushed rock or stone placed over a geotextile fabric. The width of the stabilized entrance/exit
must be at least 10 feet and it must be at least 30 feet long. Total depth of rock must be at
least 6 inches.
C. The Contractor shall utilize BMPs per the Idaho Department of Environmental Quality Catalog
of Stormwater BMPs for Idaho Cities and Counties in conjunction with any other applicable
requirements.
D. The Contractor shall provide, maintain, and be responsible for all Erosion and Sediment
Control (ESC) structures, practices, permits, and plans to meet all project, local, state, and
federal requirements for water quality and erosion and sediment control.
1.11 FINAL CLEANUP
A. The Contractor shall thoroughly clean the site after completion of the drilling, well construction,
and test pumping operations to the satisfaction of the Owner and Engineer. The Contractor
shall remove and properly dispose of all excess drilling fluids, debris, and other materials
resulting from his work, and shall repair, replace, or restore all property of any type or nature
which has been moved, damaged, or altered in any way by his operations, to the satisfaction
of the Owner and Engineer. Cleanup shall include complete compaction and regrading of all
areas impacted by the work. Backfilled mud pits shall be compacted to 90 percent maximum
dry density as determined by standard Proctor test (ASTM 698-70).
B. The Contractor shall promptly remove his equipment, temporary facilities, and materials, and
leave the site in a condition acceptable to the Owner. The Contractor shall repair any damage
to the property or facilities caused by his operations prior to final acceptance of the Work by
the Owner.
C. The Contractor shall be responsible for repair of underground utilities damaged by his
activities. The Contractor shall be responsible for contacting the appropriate utility location
service (i.e., DigLine) prior to excavation.
PART 2 - PRODUCTS
2.01 CASING
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A. The well, when completed, shall be cased with nominal 10 -inch casing from 2 feet above
ground surface to a depth designated by the Engineer. The casing shall be new steel ASTM
A-53 or equal with a minimum wall thickness of 0.365 inches from approximately +2 feet to 40
feet bgs. The length of steel casing shall be modified to allow for full lengths of PVC casing to
the final well depth. The remainder of the well casing shall be new SDR 17 or Schedule 80
PVC, which conforms to ASTM F480 and is specifically designed for use as well casing. The
PVC casing shall utilize a spline -lock mechanical joining system, such as CertainTeed's
Certa-Lok system, a flush thread connection, such as Johnson Screens ShurGrip, or pre -
approved equal. The casing shall be equipped with centralizers at a spacing of no more than
60 feet.
B. Temporary surface casing may be installed at the Contractor's option. If utilized, temporary
surface casing shall be removed during installation of the surface seal.
2.02 WELL SCREENS
A. Well screen shall be of the V -slot continuous wire -wound type in 304 stainless steel of 10 -inch
pipe size. The screen sections shall be equipped with stainless steel welding rings at both
ends. The top section of screen shall allow for a transition from stainless steel to the 10 -inch
PVC casing. In order to provide adequate collapse, column, and tensile strengths, the screen
construction shall include sufficient wire and rod sizes to be compatible with the depth and
pressures of the installation, as recommended by the screen manufacturer. The screen shall
be equipped with centralizers at a spacing of no more than 60 feet.
B. Screen length and placement depths will be determined by the Engineer after completion of
the borehole and geophysical survey (if performed) and receipt of driller's logs and drill
cuttings.
2.03 SAND FILTER PACK
A. A sand filter pack shall be placed around the well screen assembly. The filter pack shall be
installed opposite the entire length of screen assembly, and shall extend above the screen
assembly a minimum of 20 feet (unless otherwise directed by the Owner). The pack shall
consist of clean, well-rounded siliceous material with a uniformity coefficient of 2.0 or less,
manufactured by Colorado Silica Sand, Inc., Colorado Springs, CO (or approved equal), and
conforming to the following gradation specification:
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6-9 Filter Sand
100% passing No. 4 sieve
90-100% retained on No. 10 sieve
or
8-12 Filter Sand
100% passing No. 6 sieve
98-100% retained on No. 14 sieve
or
10-20 Filter Sand
100% passing No. 8 sieve
99-100% retained on No. 30 sieve
B. Filter pack size and placement shall be determined by the Engineer following completion of
drilling.
2.04 WELL SEAL
A. The annulus outside the 10 -inch well casing shall be sealed in compliance with Idaho
Department of Water Resources well construction standards. Type III Portland cement -based
seal materials in direct contact with the PVC casing is not allowed. Cement -bentonite blends
are allowable if approved by IDWR and the Engineer.
B. Where cement/bentonite grout is used, the mix shall consist of 24 gallons of water, 94 pounds
of cement, and 50 pounds of bentonite. In preparing the mix, the cement must be added first,
followed by the bentonite. The bentonite shall be specifically recommended by the
manufacturer for use as a seal material in water wells.
C. Bentonite grout shall not be used as a seal material above the water table.
PART 3 - EXECUTION
3.01 MOBILIZATION AND DEMOBILIZATION
A. Upon receiving the Notice to Proceed, the Contractor shall move in all tools, equipment, and
supplies necessary for the Work, and upon completion of the Work, shall remove all such
items from the premises promptly and leave the site in a clean and orderly fashion.
3.02 CONSTRUCTION SEQUENCE
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A. The sequence of construction for this project will consist of the following:
1. Mobilize to the well site.
2. Drill minimum 14 -inch borehole to approximately 450 feet below ground surface (bgs).
It is required that the well be drilled with mud rotary or reverse rotary methods.
3. Conduct geophysical logging if directed by Engineer.
4. Furnish and install approximately 42 feet of 10 -inch diameter steel casing.
5. Furnish and install approximately 330 feet of 10 -inch diameter PVC casing.
6. Furnish and install approximately 80 feet of 10 -inch stainless steel well screen.
7. Furnish, install, and settle sand filter pack.
8. Install annular well seal.
9. Well development.
10. Furnish, install, operate, and remove test pump.
11. Disinfect the well with a chlorine solution.
12. Demobilization and clean-up.
3.03 DRILLING
A. The drilling method shall be reverse mud rotary or direct mud rotary. The borehole shall be of
sufficient diameter for sealing of casing in accordance with IDAPA 37.03.09 Well Construction
Standards Rules.
B. Drilling fluid properties shall be maintained in such a manner to ensure the structural integrity
of the borehole and to circulate drill cuttings representative of the strata penetrated to the
ground surface. Drilling fluids or drilling additives must be manufactured for use in water wells
and be NSF or ASTM/ANSI approved.
C. The Contractor shall sample the drill cuttings at every formation change and at a minimum of
5 -foot intervals. These samples shall be saved and maintained on the job site in a clean dry
area by the Contractor. All samples are to be submitted to the Engineer. The samples shall
be of at least one -pint size, shall be kept in cloth sample bags or zip -lock style plastic bags, to
be provided by the Contractor, and shall be clearly labeled to show the depth from which
collected.
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D. The Contractor shall maintain a daily drilling log of the well. Information that shall be listed on
the drilling log includes: (1) drilling fluids and additives, including quantity of materials used;
(2) drilling fluid properties, including weight and viscosity; (3) type and diameter of bits used
for drilling and total footage for each bit; and (4) any remarks or comments concerning the
drilling characteristics of the borehole, including identification of areas of fluid loss. The forms
shall be kept on-site for inspection by the Engineer.
E. All drilling fluids and cuttings shall be contained on the immediate drilling site during drilling.
Following completion of work, all drilling fluids and cuttings shall be disposed of in accordance
with State and Federal regulations at an off-site location. Costs incurred in connection with
the disposal of drilling fluids, cuttings, and developed water will be borne by the Contractor.
F. Logs and records shall be kept by the Contractor on forms suitable to the Engineer, which
shall indicate each shift worked; the general character, thickness, and type of material
penetrated; and the type of all other Work performed, including the exact time spent on each
item of Work. The logs and records shall be maintained at the time the Work is done. Copies
of the logs shall be available for inspection by the Engineer at all times. Copies of all logs
shall be furnished to the Engineer following completion of all operations. The Contractor shall
submit a Well Driller's Report to the Idaho Department of Water Resources.
G. Upon completion of drilling, the Owner will have up to 48 hours to evaluate drill cuttings and
the geologic log (if performed) prior to developing a final well design. No rig time or stand-by
time will be incurred while waiting on the final well design from the Owner, nor while
subsequently waiting for delivery of screen, filter pack, or other materials.
3.04 GEOPHYSICAL LOGGING
A. Geophysical logging may be conducted at the option of the Engineer upon completion of pilot
borehole or borehole drilling. The Engineer shall be given at least 24 hours notice of the time
when the survey will be run in order to witness the performance of the survey. The logs run
shall include single point resistance, 16 -inch and 64 -inch normal resistivity, natural gamma,
and temperature. One printed copy of the logs shall be provided. The logs shall also be
provided in electronic formats (pdf and ASCII or similar).
3.05 PLUMBNESS AND ALIGNMENT
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A. The Contractor shall construct the well sufficiently straight and plumb to permit free installation
and operation of a test or production pump with nominal 8 -inch bowls to a depth of 400 feet.
The hole shall be drilled to the depth designated by the Owner with a total deviation of the
casing not to exceed one degree per 100 feet of the well. The alignment will be considered
satisfactory if the casing will permit the free lowering and raising of a dummy between land
surface and 400 feet. The dummy shall be constructed of a 40 -foot length of standard 8 -inch
I.D. pipe. It shall be the responsibility of the Contractor to see that the well is being
constructed straight and plumb within these limits at all times. Any indications of inadequate
plumbness or alignment during drilling, casing, or pump setting operation shall be cause to
require measurement of plumbness or alignment by a method acceptable to the Owner. No
payment shall be made for tests of alignment; any such tests shall be considered subsidiary to
other items in this contract.
B. If the borehole has unacceptable plumbness or alignment, the Contractor shall undertake
remedial measures. Any alignment work required by the Contractor in re -drilling or
straightening the borehole shall be at his sole expense. If a well is deemed unacceptable
following remedial measures, then as much casing as can be removed from the well shall be
salvaged by the Contractor. The well shall be abandoned in accordance with Idaho state
regulations at the Contractor's expense. All payments associated with construction of the
abandoned well shall be credited to construction of a replacement well.
3.06 INSTALLATION OF WELL CASINGS, SCREENS, AND CENTRALIZERS
A. Individual lengths of steel casing and stainless steel screen shall be joined by full penetration
welds, and shall be performed by properly qualified operators following the manufacturer's
recommendations. Upon completion of welding, all weld splatter, flux, slag, and burrs left by
attachments shall be removed. Welds shall be repaired to produce a workmanlike
appearance, with uniform weld contours and dimensions.
B. It is contemplated that the well will be completed as follows: 10 -inch casing and screen from
+2 to 450 feet. Centralizers shall be installed at intervals of no more than 60 feet. All
centralizer groups shall be vertically aligned, one above the other in order to permit the
passage of tremie pipes alongside the casing to the bottom of the borehole.
C. The Contractor shall furnish and install the appropriate well screen and filter pack with sizing,
length and placement as directed by the Owner. The length, size, and placement of screen
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and filter pack shall be determined by the Engineer after completion of the borehole and
geophysical survey (if performed) and receipt of driller's logs and drill cuttings.
3.07 SAND FILTER PACK
A. Filter pack shall be installed by tremie pipe at a uniform rate in a manner that will prevent
bridging and allow for adequate pack settling. The filter pack level shall be continuously
monitored during placement to determine if bridging is occurring. The filter pack shall be
periodically settled by gently swabbing with a loose fitting swab or bailer. Final filter pack level
shall be at least 20 feet above the top of the well screen.
3.08 WELL SEAL
A. An annular well seal shall provide watertight construction to exclude surface contamination
and to seal off formations that are, or may be, contaminated or that yield undesirable water.
The annular seal shall extend from the top of the filter pack to ground surface.
B. The well seal materials and installation shall be in compliance with Idaho Department of Water
Resources well construction standards. Type III Portland cement -based seal materials in
direct contact with the PVC casing is not allowed. Temporary surface casing shall be
removed during placement of the annular seal.
C. The borehole shall be of sufficient diameter for sealing of casing in accordance with IDAPA
37.03.09 Well Construction Standards Rules. For grout seals, the borehole must be 2 inches
larger than the O.D. of the casing. For dry bentonite seals, the borehole must be 4 inches
larger than the nominal diameter of the casing. Bentonite chips placed through greater than
50 feet of water or drilling fluid require a borehole that is 6 inches larger than the nominal
diameter of the casing.
D. Cement/bentonite grout shall be installed by tremie pipe, with the grout pumped upward from
the bottom of the sealed interval. The tremie pipe shall be withdrawn as the seal is placed.
E. Bentonite chips shall be installed per manufacturer recommendations. The top of the chip
seal shall be tagged at nominal 10 -foot intervals during placement to determine if the seal is
reaching its intended position. Pour rates shall not exceed manufacturer's recommended
rates. Seal position shall be regularly checked by tagging with a sinker bar or other means.
Bentonite chips installed through water shall be installed by pouring chips over a one-quarter
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(1/4) inch mesh screen (for three-eighths (3/8) inch chips) to remove fines and prevent
bridging. If a bridge occurs, grout shall be pumped through a tremie pipe to fill the void. The
tremie pipe shall be washed or jetted through the bridge.
F. Granular bentonite shall not be placed through water.
G. Volumes of seal material shall be carefully monitored and checked against calculated volume
requirements.
H. The Engineer and IDWR shall be notified a minimum of 24 -hours prior to seal placement.
3.09 DEVELOPMENT
A. The well shall be developed by rawhiding (surging and over -pumping), high pressure jetting,
air -lifting, swabbing, or other methods approved by the Engineer. The Contractor shall
provide a well development plan for approval by the Engineer prior to the start of development
activities.
B. If a well is developed by rawhiding, the Contractor shall provide a pump capable of producing
700 gpm from a pumping level of 300 feet depth. For preliminary testing purposes, the
Contractor shall note approximate pumping rate and drawdown during development pumping.
C. If a well is developed by air -lifting, the Contractor shall have a compressor, tubing and eductor
pipe to air-lift a minimum of 700 gpm average flow from 300 feet depth. Sufficient tubing or
drill stem shall be available to reach the total depth of the well. It is anticipated that air
development will take place in a staged manner throughout the lower portion of the well, and
thus may include considerable addition and subtraction of pipe. For preliminary testing
purposes, the Contractor shall note approximate air-lift pumping rate during development.
D. Development shall continue until the water produced from the well is clear and the well
screens are cleared of residual drilling muds or other obstructions. The water produced from
the well after development shall have a sand content that does not exceed 15 ppm. The
Engineer will measure the sand content during test pumping at the design production rate
using a centrifugal sand sampler to determine if the sand content is acceptable. If the sand
content is greater than 15 ppm, then additional development may be required. Upon
completion of the development, all material shall be thoroughly cleaned from the inside of the
casing and screen.
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3.10 TEST PUMPING
A. Following completion of development operations, the well shall be allowed to recover for 24
hours, or less if approved by the Engineer, prior to starting the pumping tests. Anticipated
methods of aquifer testing include: (1) a step -test lasting approximately 2 hours, which will
consist of pumping the well at various rates from approximately 100 gallons per minute (gpm)
to the maximum capability of the pump or well, and (2) a constant -rate pumping test lasting
approximately 6 hours. Standby time will not be paid for the recovery periods between tests
or at the conclusion of test pumping. The Engineer shall be present at the start of all test
pumping and shall be provided a minimum of 24 -hours of notice prior to test pumping.
B. The test pump shall be capable of delivering 700 gallons per minute from a pumping water
level of 300 feet. The pump shall be set at an approximate depth of 315 feet. The Contractor
shall furnish and install all necessary equipment for testing, including a discharge valve or
throttle to control flow rate, orifices or flow meter for accurately measuring the discharge from
the well, and a nominal 1 -inch pipe from the top of the casing to the top of the pump to
facilitate the installation and removal of electric -line water -level sounder.
C. The Contractor shall be responsible for providing power for the test pump. The Contractor
shall provide a means for safe refueling during operations to prevent even brief shutdowns
during the testing. Shutdowns before the end of the testing procedure in excess of ten (10)
percent of the total time anticipated for the testing procedure may require the Contractor to
allow the water level to recover to pre -pumping conditions and re -start the test.
D. If requested by the Engineer, the Contractor shall collect water level and flow rate
measurements during testing at a schedule provided by the Engineer.
E. The Contractor shall be responsible for conveying discharged water through temporary pipe,
ditches, or overland flow to a suitable disposal point approved by the Owner.
3.11 PROTECTION OF WATER QUALITY
A. All water used for drilling and development operations shall be of potable quality.
B. The Contractor shall take all necessary precautions to prevent contamination of the water in
the well by the introduction of any foreign substance, including contaminated water, gasoline,
oil, etc., and shall conform to all laws or regulations applicable to the protection of water
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quality. All downhole materials (i.e., casing, pipe, pumps, sand filter pack, drilling tools, etc.)
shall be disinfected with 500 ppm chlorine solution.
C. Facilities, equipment, and materials for disposing of the water produced during the
development and testing of the wells shall be provided by the Contractor. It is anticipated that
clear water can be disposed of in the vicinity of the well site. Water leaving the well site shall
be free of chemicals, drilling fluids, and sediment. Water shall not be discharged to streams,
ponds, or lakes without proper regulatory authorization.
3.12 COMPLETION OF THE WELL
A. Upon completion of all well construction activities and removal of test pumping equipment, the
Contractor shall disinfect the well using calcium hypochlorite. The Contractor shall refer to
IDAPA 37.03.09 Well Construction Standards Rules for guidance on the appropriate amount
of calcium hypochlorite to add to the well for disinfection. All interior surfaces of the well
above the static water level shall be wetted with calcium hypochlorite solution.
B. The top of well casing shall be equipped with a watertight welded steel plate or other covering
approved by the Engineer until the permanent pump is installed.
C. The well driller must permanently attach the well tag to the steel casing.
3.13 WELL ABANDONMENT
A. In the event that the Contractor fails to complete the new well to the designed depth, or
chooses to abandon the well because of loss of tools or equipment down hole, or for any other
cause related to deficiencies in his equipment or performance, the Contractor shall plug and
abandon the well in accordance with Idaho state regulations after removing as much casing
as can be salvaged. All salvaged materials furnished by the Contractor shall be retained by
the Contractor.
3.14 FINAL CLEANUP
A. After completion of all Work associated with this contract, the Contractor shall clean up the
Work site and any property used by his operations to the satisfaction of the Owner. The
Contractor shall remove and dispose of all excess materials resulting from his work, and shall
repair, replace, or restore all property of any type or nature that has been moved, damaged, or
altered in any way by his operations, to the satisfaction of the Owner. The Contractor shall
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return all landscape, roadway, and adjoining surfaces to their original condition and
appearance as soon as reasonably feasible.
PART 4 - MEASUREMENT AND PAYMENT
4.01 SCOPE
A. The quantities of work or material stated in unit price items of the Bid are supplied only to give
an indication of the general scope of the Work; the Owner does not expressly or by implication
agree that the actual amount of work or material will correspond therewith, and reserves the
right after award to increase or decrease the quantity of any unit price item of the Work,
without a change in the unit price, and shall include the right to delete any Bid item in its
entirety. Payment for materials and labor will be based on actual quantities furnished,
installed, or constructed in accordance with the prices bid for unit price items.
B. The Owner may terminate Work on the project at any point if, in the Owner's judgment, the
Owner's best interests are not served by continuation. Conditions which may lead to project
termination include, but are not limited to, indications of low groundwater development
potential as determined during drilling and testing. In such an event, the Contractor shall be
paid for the value of Work completed at that time on the basis of the unit price and lump sum
items listed on the Bid Schedule. In addition, if well construction is terminated by decision of
the Owner, the Contractor may be required to properly abandon the well. Well abandonment
procedures in excess of those explicitly required in these specifications must comply with
current Idaho State regulations. Materials used in abandonment shall be paid at invoice cost
plus 10 percent to cover handling. Payment for rig time shall be at the bid unit price.
4.02 MOBILIZATION/DEMOBILIZATION (ITEM 1; LUMP SUM ITEM)
A. Measurement for payment for mobilization/demobilization to the work site will be based upon
completion of the Work as a lump sum unit. The lump sum price listed on the Bid Schedule
shall be full compensation for the moving in of rigs, pumps, equipment, power, labor, fuel,
tools, and incidentals necessary to do the Work, and moving out of all such equipment,
materials, tools, and incidentals, and well disinfection and final site cleanup upon completion
of the Work. For purposes of partial payment, the mobilization portion of this bid item shall be
considered as 40 percent of the total lump sum. Demobilization, including cleanup and
landscape repair, shall be 60 percent of the total lump sum.
Meridian Park Irrigation Well Technical Specifications
SPF Water Engineering — March 2014 Page 15
4.03 DRILL BOREHOLE (ITEM 2; PRICES BASED ON LINEAR MEASUREMENT)
A. Measurement and payment for drilling will be based upon the number of linear feet of
borehole actually drilled below the ground surface in accordance with these Contract
Documents. The Contractor is to determine the borehole size appropriate for sealing the
selected 10 -inch PVC casing material and tremie system, and for installing sand filter pack to
total depth. However, the borehole is required to have a 14 -inch minimum diameter.
Payment for drilling the borehole shall constitute full compensation for temporary casing,
transportation, labor, fuel, bits, drive shoe, drilling fluids, welding materials, equipment, jacks,
and incidentals necessary to drill the borehole. All temporary casing removed from the
borehole shall remain the property of the Contractor.
B. No payment shall be made for borehole depths drilled below the design depth, unless
approved by the Engineer prior to drilling.
C. No payment shall be made for backfilling of an over-drilled borehole.
D. No payment shall be made for tests of borehole alignment; it shall be the responsibility of the
Contractor to ensure that the hole remains within plumbness and alignment specifications.
E. No payment shall be made for drilling fluid materials used during normal drilling operations.
All such costs shall be considered to be included in the unit prices listed on the Bid Schedule.
F. No payment shall be made for time or expenses incurred in the recovery or replacement of
tools or equipment lost during the drilling phase or any other phase of the Work.
G. No payment shall be made for time, materials, or labor costs incurred during remedial
measures or operations in the event the well is of unacceptable plumbness or alignment.
H. No payment shall be made for time, materials, or labor costs incurred in abandoning the well
in the event the well is of unacceptable plumbness or alignment following remedial measures,
or if lost tools or equipment cannot be recovered from the borehole. The costs incurred for
construction of the abandoned well shall be applied to construction of a replacement well.
I. No rig or standby time will paid to the Contractor during the time that a logging service is being
brought to the site, or during the time that the logs are being run, or during a 24-hour period
following completion of logging during which an exact determination of the final well design will
be made by the Engineer.
Meridian Park Irrigation Well Technical Specifications
SPF Water Engineering — March 2014 Page 16
4.04 FURNISH AND INSTALL 10 -INCH STEEL WELL CASING (ITEM 3; PRICES BASED ON
LINEAR MEASUREMENT)
A. Measurement for payment for the 10 -inch I.D. steel well casing will be based upon the number
of linear feet of such pipe actually installed in the borehole in accordance with these Contract
Documents. Payment for the 10 -inch casing shall constitute full compensation for materials,
transportation, labor, fuel, equipment, centralizers, welding materials, and incidentals
necessary to furnish and install the well casing. Length of steel casing should be modified to
allow for full lengths of PVC casing to the final well depth.
4.05 FURNISH AND INSTALL 10 -INCH SDR 17 OR SCHEDULE 80 PVC CASING (ITEM 4;
PRICES BASED ON LINEAR MEASUREMENT)
A. Measurement for payment for the 10 -inch PVC well casing will be based upon the number of
linear feet of such pipe actually installed in the borehole in accordance with these Contract
Documents. Payment for the 10 -inch casing shall constitute full compensation for materials,
transportation, labor, fuel, equipment, centralizers, and incidentals necessary to furnish and
install the well casing.
4.06 FURNISH AND INSTALL 10 -INCH I.D. WELL SCREEN (ITEM 5; PRICES BASED ON
LINEAR MEASUREMENT)
A. Measurement for payment for the 10 -inch I.D. stainless steel well screen will be based upon
the number of linear feet of such screen actually installed in the borehole in accordance with
these Contract Documents. Payment for the 10 -inch pipe size screen shall constitute full
compensation for screen, welding rings, PVC transition fittings, miscellaneous materials,
transportation, labor, fuel, equipment, welding materials, and incidentals necessary to furnish
and install the well screen.
B. No rig or standby time will paid to the Contractor during the time waiting for construction and
delivery of well screen following receipt of the final well design made by the Owner.
4.07 FURNISH AND INSTALL SAND FILTER PACK (ITEM 6; PRICES BASED ON LINEAR
MEASUREMENT)
A. Measurement and payment for furnishing and installing the sand filter pack will be based on
the linear feet of filter pack actually installed in the well in accordance with these Contract
Meridian Park Irrigation Well Technical Specifications
SPF Water Engineering — March 2014 Page 17
Documents. Payment for filter pack shall constitute full compensations for materials,
transportation, labor, equipment, and incidentals necessary to furnish and install the filter
pack.
4.08 FURNISH AND INSTALL ANNULAR WELL SEAL (ITEM 7; PRICES BASED ON LINEAR
MEASUREMENT)
A. Measurement and payment for furnishing and installing the well seal will be based upon the
linear feet of well seal installed, all in accordance with the requirements of these Contract
Documents. Payment for the well seal shall constitute full compensation for bentonite,
cement, materials, transportation, labor, equipment, and incidentals necessary to furnish and
install the seal.
4.09 WELL DEVELOPMENT (ITEM 8; PRICES BASED UPON TIME, HOURS)
A. Measurement for payment for well development will be based on the actual number of hours
of development operations. Payment will be made at the unit price listed in the Bid Schedule.
B. No payment shall be made for equipment acquisition, set-up, or installation, or for recovery
periods required by the Owner to ensure thorough well development.
C. Payment for chemicals as may be required by the Owner to ensure thorough well
development shall be reimbursed for the cost of the chemicals actually used at invoice cost
plus 10 percent for handling.
4.10 FURNISH, INSTALL, AND REMOVE TEST PUMP AND RELATED EQUIPMENT (ITEM 9;
LUMP SUM ITEM)
A. Measurement and payment for furnishing, installing, and removing the test pump and related
equipment will be based upon completion of the entire work as a lump sum unit, all in
accordance with the requirements of these Contract Documents. Payment for furnishing,
installing, and removing will be at the price listed in the Bid Schedule, which price shall
constitute full compensation for all work, including installation and removal of pump, motor,
cable, controls, valves, orifices, sounding tube, and associated appurtenances.
4.11 TEST PUMPING (ITEM 10; PRICES BASED UPON TIME, HOURS)
Meridian Park Irrigation Well Technical Specifications
SPF Water Engineering — March 2014 Page 18
A. Measurement and payment for test pumping will be based on the actual number of hours of
pumping operations. Payment for test pumping will be made at the unit price listed in the Bid
Schedule, and shall constitute full compensation for all labor, fuel, equipment, and materials
associated with operating the pumping equipment.
B. No payment shall be made for standby time during the recovery periods between tests or for
time spent transporting or maintaining equipment. All such costs for time and maintenance
materials shall be included in the unit price listed in the Bid Schedule. No payment shall be
made for time, equipment, or materials used in a test aborted due to power failure or
malfunction of pumping equipment.
4.12 RIG TIME (ITEM 11; PRICES BASED UPON TIME, HOURS)
A. Measurement and payment for rig time will be based on the unit price listed on the Bid
Schedule. Payment for rig time for additional work specifically directed by the Owner not
otherwise covered in these Contract Documents will be based on the actual number of hours
of work done and shall be full compensation for rig, fuel, labor, equipment, and materials
normally associated with Contractor's drilling activities. Additional materials which may be
required shall be paid at the Contractor's invoice cost plus 10 percent for handling.
4.13 GEOPHYSICAL LOGGING (ALTERNATE BIT ITEM A; LUMP SUM ITEM)
A. Measurement for payment for geophysical logging will be based upon completion of the entire
work as a lump sum unit, in accordance with these contract documents. Payment for
geophysical logging shall constitute full compensation for labor, equipment, and incidentals
necessary to perform the logging.
B. No rig or standby time will be paid to the Contractor during the time that the Contractor's
logging service is being brought to the site, or during the time that the logs are being run.
C. No rig or standby time will be paid to the Contractor following completion of logging during
which an exact determination of the final well design will be made by the Engineer.
- END OF TECHNICAL SPECIFICATIONS -
Meridian Park Irrigation Well Technical Specifications
SPF Water Engineering — March 2014 Page 19
BID SCHEDULE OF ITEMS AND PRICES
IRRIGATION WELL — MERIDIAN 77 -ACRE PARK
The Bidder proposes the following schedule of prices for drilling, construction, development, and
testing of one irrigation well for the City of Meridian Parks and Recreation Department (Owner) in
accordance with the well specifications. The quantities of work or material stated in unit price
items of the bid are supplied only to give an indication of the general scope of the work. Payment
for materials and labor will be based on actual quantities furnished, installed, or constructed in
accordance with the prices bid for unit price items. The bidder is solely responsible for
completing all spaces below. The bidder is responsible for the inclusion of all overhead and profit
costs within each item submitted.
Item
Description
Estimated
Quantity
Unit
Unit
Price
Total
Amount
1
Mobilization and
1
Lump Sum
$
$
demobilization
2
Drill borehole
450
Linear Foot
$
$
3
Furnish and install
42
Linear Foot
$
$
10 -inch steel well
casing
4
Furnish and install
330
Linear Foot
$
$
10 -inch PVC well
casing
5
Furnish and install
80
Linear Foot
$
$
10 -inch well screen
6
Furnish and install
100
Linear Foot
$
$
sand filter pack
7
Furnish and install
350
Linear Foot
$
$
annular well seal
8
Well development
4
Per Hour
$
$
9
Furnish, install, and
1
Lump Sum
$
$
remove test pump
10
Test pumping
8
Per Hour
$
$
11
Rig time
2
Per Hour
$
$
Base Bid Total
Alternate Bid Items
A Geophysical Logging 1
Lump Sum $
Alternate Bid Item Total $
Meridian Park Irrigation Well Bid Schedule Of Items And Prices
SPF Water Engineering — March 2014 Page 1 of 2
Submitted by:
Signature
Title
Company
Address
Idaho Well Contractors License Telephone Number
Meridian Park Irrigation Well Bid Schedule Of Items And Prices
SPF Water Engineering — March 2014 Page 2 of 2
DEPTH
(FEET)
J 1 L L L r L H I L OU I I V IVI
-INCH STEEL CASING
365 -INCH WALL
ICKNESS
' TO 40 FEET
V 14 -INCH BOREHOLE
TO 450 FEET
-INCH PVC CASING
R 17 OR SCH 80
TO 370 FEET
RFACE SEAL
TO 350 FEET
JTRALIZER
I' SPACING, TYP)
_ORADO SILICA
JD FILTER PACK
'E TO BE DETERMINED)
I TO 450 FEET
-INCH PIPE SIZE
,INLESS STEEL WELL SCREEN
OT SIZE TO BE DETERMINED)
TO 450 FEET
SPF WATER
1323 ENGINEERING
' 300 East Mallard Drive, Suite 350
Idaho
Tel (208) 383-4140 Fax (208) 383-4156
l
D�TW F `� - Figure 1
City of Meridian Parks & Recreation Department
77—Acre Park Irrigation Well Conceptual Design
SCALE: NTS
DRAWN BY: SCB PROJ #790.0310