PENOBSCOT NATION HEALTH DEPARTMENT (2026)

PENOBSCOT NATION HEALTH DEPARTMENT

Ruth Attean Davis Building

23 Wabanaki Way

Indian Island, ME 04468

(207) 817-7400 (Telephone)

(207) 817-7453 (Medical Records Fax)

(207) 817-7459 (Administrative Fax)

(207) 817-7455 (Counseling Fax)

Request for bids: Individual Well

Location: 1303 County Road, Greenfield TWP, ME 04418

Issue Date: Monday, August 24, 2026

Submissions must be received by 4:30 P.M. on Tuesday, September 8, 2026

Submissions of documents can be completed by:

. Emailing to carissa.caruso-dipaolo@penobscottribathealth. gov; or

. Hand Delivered to Penobscot Nation Health Department Front Desk, 23 Wabanaki

Way, Indian Island, ME

. US Post Office addressed to Carissa Caruso-DiPaolo, 23 Wabanaki Way Indian

Island, ME 04468

BID FORM

INDIVIDUAL WELL AND WATER SYSTEM

ARTICLE 1 — BID RECIPIENT

segs . Project Address:

1.01 This Bid is submitted to: 1303 County Road

Penobscot Indian Nation Greenfield TWP, ME 04418

23 Wabanaki Way

Penobscot Indian Nation Health Clinic

Indian Island, ME 04468 ATTN: Carissa Caruso-DiPaolo (207) 817-7448

1.02 The undersigned Bidder proposes and agrees, if this Bid is accepted, to enter into an Agreement

with the Penobscot Indian Nation (referred herein as Owner) in the form included in the Bidding

Documents to perform all Work as specified or indicated in the Bidding Documents for the prices

and within the times indicated in this Bid and in accordance with the other terms and conditions

of the Bidding Documents.

ARTICLE 2 — BIDDER’S ACKNOWLEDGEMENTS

2.01 Bidder accepts all of the terms and conditions of the Instructions to Bidders, including without

limitation those dealing with the disposition of Bid security. This Bid will remain subject to

acceptance for 60 days after the Bid opening, or for such longer period of time that Bidder may

agree to in writing upon request of Owner.

ARTICLE 3 — BASIS OF BID

3.01 Bidder will complete the Work as per the Contract Documents for the following price(s}:

LS- Lump Sum

LF- Linear Foot

EA- Each

CY- Cubic Yard

HR- Hourly Rate

This document is a modified version of £JCDC® C-410, Sid Farm for Construction Contracts.

Copyright © 2013 National Society of Professional Engineers, American Council of Engineering Companies,

and American Society of Civil Engineers, or is based in part on excerpts from copyrighted EJCDC documents.

Those portions of the text that originated in copyrighted EJCDC documents remain subject to the copyright.

BID FORM

INDIVIDUAL WELL AND WATER SYSTEM

TIME OF COMPLETION

3.02 Bidder agrees that the Work will be substantially complete and will be completed and ready for

final payment Conditions on or before the dates or within the number of calendar days indicated

in the Agreement.

ARTICLE 4 - BID SUBMITTAL

BIDDER: [indicate correct name of bidding entity]

By:

[Signature]

[Printed name]

Address for giving notices:

Telephone Number:

This document is a modified version of EJCDC® C-410, Bid Form for Construction Contracts.

Copyright © 2013 National Society of Professional Engineers, American Council of Engineering Companies,

and American Society of Civil Engineers, or is based in part on excerpts from copyrighted EJCDC documents.

Those portions of the text that originated in copyrighted EJCDC documents remain subject to the copyright.

SECTION 01270

MEASUREMENT AND PAYMENT

PART 1- GENERAL

1.01 SUMMARY

A.

Work covered by this section includes method of measurement and basis of

payment for all divisions included.

Payment for the various items of the Bid Schedules, as further specified herein, shall

include all compensation to be received by the contractor for furnishing all tools,

equipment, materials, labor, supplies, manufactured articles, transportation, and

temporary facilities required to complete the work in accordance with contract

documents including incidentals.

Respective prices and payment shall constitute full compensation for all work

completed including incidentals.

All items not expressly listed as being provided by others that are

necessary for the completion of work shall be furnished and installed by

the contractor.

No payment shall be made for mobilization and demobilization of equipment.

The CONTRACTOR, in case of unit-price items measured for payment, shall be paid

for the actual amount of Work accepted and for the actual amount of materials in

place, as shown by final measurement. Plan quantity items shall be paid for at the

unit price for the quantities shown on the plans and tabulated in the bid form.

The CONTRACTOR, in case of lump sum amounts, or by plan quantities, shall be

paid for the percentage of the work item completed as determined by the Engineer

or Representative.

10% Payment will be held until work is complete, final inspection has been made

and approved by Engineer or Representative, and copy of As-Built has been

received. No final payment will be approved until all deficiencies have been

satisfied.

1.02 QUANTITIES

A,

All quantities stipulated in the bid schedule or other contract documents are

approximate and are to be used:

1. As a basis for estimating the probable cost of the work.

2. For the purpose of comparing the bids submitted.

The Contractor shall be paid for actual quantities installed based on the quantities

measured in the field. The actual amounts of work completed and materials

furnished may differ from estimated quantities. The Contractor shall make no claim

for damages, anticipated profits, or otherwise, on account of differences between

the estimated amounts and the actual amount of work performed and materials

furnished.

PART 2- BID SCHEDULE ITEMS

DESCRIPTION OF PAY ITEMS

2.01

2.02

2.03

2.04

2.05

2.06

A. The following sections describe the measurement of and payment for the Work to

be done under the respective items listed in the Bid Form.

B. Each unit or lump sum price stated in the Bid Form shall constitute full

compensation, as herein specified, for each item of the Work completed.

TEST PUMPING

A. Measurement: Lump sum basis.

B. Basis for payment: Lump sum payment at the Contract Unit Price for well yield and

water flow test based on recorded log of completed test and delivered results of

test.

DROP PIPE

A. Measurement: Linear feet of pipe installed measured vertically over the centerline of

the pipe.

B. Basis for payment: Per linear foot installed at the Contract Unit Price for the drop

pipe as listed in bid schedule, or as shown per included drawings that accompany

this package. Compensation shall include payment for all fittings, couplings, and all

other necessary items for a complete and operational installation.

WATER SERVICE LINE

A. Measurement: Per linear feet of pipe installed measured horizontally over centerline

of pipe.

B. Basis for payment: Per linear foot installed at the Contract Unit Price for size, type,

and material as specified per bid schedule, or per included drawings that

accompany this package. Compensation shall include payment for all excavation,

trenching, backfilling, compaction, fittings, tees, couplings, detectable warning

tape, repair of leaks, and all other necessary items for a complete and operational

system

BURIED AND SUBMERSIBLE PUMP CABLE

A. Measurement: Per linear feet of cable installed.

8. Basis for payment: Per linear foot installed at the Contract Unit Price for pump

cable as specified per bid schedule. Compensation shall include all excavation,

backfilling, detectable warning tape, and all other necessary items for a

complete and operational system.

PRESSURE TANK

A. Measurement: Per each unit installed.

B. Basis for payment: Per each unit installed at the Contract Unit Price for size and type

listed in Section 02512, on bid schedule, or as selected for system and approved by

Project Engineer. Compensation shall include payment for installation of pressure

tank, controls, gages, fittings, valves, and all other necessary items for a complete

and operational installation.

SECTION 01430

QUALITY ASSURANCE

PART 1 - GENERAL

1.01

1.02

1.04

1.08

1.06

SUMMARY

A. This section includes prerequisites and procedures to assure the quality of construction.

SUBMITTALS

A. Contractor Name and License Number

INSTALLER QUALIFICATIONS

A. Work shall be performed under the direction of personnel licensed in the state/reservation

where the project is proposed and where licensing of the trade is regulated by the

state/reservation including, but not limited to, plumbing, well drilling, septic system

installation, HVAC, and electrical work.

CONTROL OF INSTALLATION

A. Review materials for acceptability when delivered to the site.

B. Store and handle materials to prevent damage.

Cc. Review materials, services, and workmanship to ensure that work is performed in accordance

with the specifications.

D. Comply fully with manufacturers’ instructions.

E. Should manufacturers’ instructions conflict with contract documents, request clarification

from Engineer before proceeding.

F. Correct defective work to the satisfaction of the Engineer.

MANUFACTURER'S FIELD SERVICES

A. Provide reports on observations and documentation of workmanship to the Engineer within

30 days of visit for review where manufacturers’ field services are provided.

WARRANTY

A. Provide a minimum one (1) year warranty for all materials and labor, covering defects in the

materials or deficiencies resulting from Contractor installation.

B. Provide additional warranties as required under other sections.

END OF SECTION

B.

Soil Materials as summarized in the table below and defined in ASTM D2487

Description and Comparison of Soil Material Classifications

USCS

Group

Class | Type Symbol | Description

IA Manufactured aggregates: % *None | Closest to “Poorly graded gravel (GP)”

to 1% inch open graded,

clean,

IB Manufactured aggregates: % *None | Closest to “Poorly graded gravel with sand (GP)”

to 1% inch dense graded,

clean.

ll GW Well-graded gravels and gravel-sand mixtures; little

or no fines.

Coarse sands and gravels with GP Poorly graded gravels and gravel sand mixtures;

maximum particle size of 1% little or no fines.

. SW Well-graded sands and gravelly sands; little or no

inch, clean. .

fines.

SP Poorly graded sands and gravelly sands; little or no

fines

Coarse sands and gravels with | GW-GC_ | Sands and gravels which are borderline between

maximum particle size of 1% | SP-SM clean and with fines

inch, borderline clean. Etc.

i} GM Silty gravels, gravel-sand-silt mixtures.

. GC Clayey gravels, gravel-sand-clay mixtures

Fine sand and clayey gravels. SM Silty sands, sand-siit mixtures

SC Clayey sands, sand-clay mixtures

IV ML Inorganic silts and very fine sands, rock flour, silty

or clayey fine sands, silts with slight plasticity.

cL Inorganic clays of low to medium plasticity, gravely

Fine grained soils (inorganic) clays, sandy clays, silty clays, lean clays.

MH inorganic silts, micaceous or diatomaceous fine

sandy or silty soils, elastic silts.

CH Inorganic clays of high plasticity, fat clays.

Vv OL Organic silts and organic silty clays of low plasticity.

Organic soils OH Organic clays of medium to high plasticity, organic

silts,

PT Peat and other high organic soils.

* USCS system is limited to naturally occurring soils. Manufactured aggregates not covered.

3.04 BEDDING

A. Excavate and provide bedding as shown on plans or as directed by ENGINEER or

REPRESENTATIVE.

B. If existing soil cannot provide uniform, stable bearing support, over-excavate 6 inches below

bottom of pipe or structure and provide bedding material.

C. Utilize Class |, ll or III materials as appropriate for bedding as listed in Table below.

Use of Soils and Aggregate for Bedding

Standard Proctor.

Class IA Class 1B Class fl Class Ill

General Excellent pipe Excellent pipe Good pipe Reasonable pipe

support. Excellent | support. Good support. Fair support. Poor

drainage. drainage. Minimizes | drainage. drainage

migration of adjacent

material,

Compaction Not required Not required Required 90% of Required 90% of

Standard Proctor.

Wet Conditions

Acceptable. Must

Acceptable. Must use

Acceptable. Clean

Not- Acceptable

(below current or | use same material | same material for groups only

future water for Haunching. Haunching. suitable for

table), Rock Cuts drainage blanket.

Dry Conditions Acceptable Acceptable Acceptable Acceptable

3.05 HAUNCHING AND INITIAL BACKFILL

A. — General:

1. Provide complete and uniform bearing and support for the pipe, including allowance for

bell holes, or structure.

2, Work material under and around the pipe to ensure full pipe support.

3. Prevent movement of the pipe during placement of material.

4. Avoid contact between the pipe and mechanical compaction equipment.

B. Utilize Class I, or Ill materials as appropriate for haunching and initial backfill as listed in

Table below. No frozen materials or frozen clods.

Use of Soils and Aggregate for Haunching and Initial Backfill

Class 1A Class 1B Class If Class fit

General Excellent pipe Excellent pipe Good pipe Reasonable pipe

support. Excellent | support. Good support. Fair support. Poor

drainage. Install drainage. Minimizes | drainage. Install drainage. Install

to a minimum of migration of adjacent | and compacttoa | and compact toa

6” above the pipe | material. Install to a minimum of 6” minimum of 6”

crown. minimum of 6” above | above the pipe above the pipe

the pipe crown. crown. crown.

Compaction Not required Not required Required 85% of Required 90% of

Standard Proctor. | Standard Proctor.

6 inch maximum 6 inch maximum

lifts. lifts.

3.09 UTILITY CONFLICTS

9

Protect existing utilities from damage during excavation and backfilling operations.

Provide temporary support for existing water, gas, telephone, power, or other utility services

that cross the trench until backfilling of trench is complete

1. Compact backfill to 95% of Standard Proctor Density under disturbed utilities.

2. Repair or replace any damaged existing utilities, at no additional cost to the project.

Water and sewer main crossing and parallel installation.

Maintain a 10-foot horizontal separation (O.D. to O.D.) for parallel mains.

Upon approval by the ENGINEER, water and sewer mains may be installed closer than 10

feet, provided all of the following conditions;

1. Vertical separation is 18 inches (0.D. to 0.D.)

Water main is above the sewer main.

Separate trenches are maintained.

Maintain a minimum 18-inch vertical separation (0.D. to O.D.) for crossing mains.

Lay pipe with joints equidistant from the point of crossing.

If it is impossible to meet any of the above separation distances and deviations, one of

the following methods shall be adhered to.

7. Sewer main shall be constructed to water main pressure pipe standards, and successfully

pass a 150-psi pressure test prior to backfilling.

8. Either the water main or the sewer main may be encased in a watertight carrier pipe that

extends 10 feet on both sides of the crossing. The carrier pipe shall be of materials

approved by the regulatory agency for use in water main construction.

Water and sewer service crossing and parallel installation.

1. Maintain a 10-foot horizontal separation from water and sewer services for parallel

lines.

2. Maintain an 18-inch vertical separation for crossing water and sewer services.

3. Water service line splices or joints will not be permitted within 10 feet of a sewer line

crossing.

ans wn

3.10 MOVING FENCES AND MINOR STRUCTURES

A.

Remove and reset culverts, drainage pipes or other minor structures that fall within the

alignment of the new construction, to their original location and grade.

Visit the project site and determine actual conditions with regard to the existence of old car

bodies, abandoned houses, fences, driveways, trees, stumps, brush, sidewalks, approaches,

and other miscellaneous obstacles to construction.

1. Unless specifically referenced in a bid item, no separate payment will be made for the

removal or replacement of these items.

3.11 RECORDS

A.

Provide as-builts for all installations, relocations, crossings as per closeout procedures or as

directed by the ENGINEER.

END OF SECTION

2.02 SUBMERSIBLE PUMP CABLE

A.

C.

Use RHW insulated and jacketed, U.L. approved, rated at 600 volts, manufactured in

accordance with the NEC and be a minimum size of No. 12.

1. Submersible pump cable shall be Essex CPE, MilSpec Milpreme double insulated or

approved equal.

2. THW insulated and jacketed pump cable meeting the above requirements such as

Centriline HILO Supreme or approved equal may be substituted for the RHW standard.

Allowable voltage drop through the cable, from the electrical service to the pump motor,

shall be in accordance with pump manufacturer’s recommendation.

Waterproof splice shall be in accordance with pump manufacturer's recommendation.

2.03 DROP PIPE AND FITTINGS

A.

D.

E.

Steel Drop Pipe

1. Conform to ASTM A53

2. Pipe shall be Schedule 40 galvanized steel with a nominal size of 1-inch.

3. Galvanized steel couplings shall be used to connect pipe sections.

PVC Drop Pipe

1. Conform to ASTM D1785

2. Pipe shall be threaded Schedule 80 with a nominal size of 1-inch.

3. Couplings shall be machined from extruded, not molded, PVC.

PE Drop Pipe

1. Conform to AWWA C901

2. Pipe shail be ultra-high molecular weight, IDR 7, 1-inch IPS with a minimum pressure

rating of 160 psi.

3. Torque arrestor shall be equal to Merril No. STA-48.

4, Cable protector centering device shall be equal to Merril No. CG-46.

Check valves shall be equal to Clayton Mark No. 6300.

Flow control valves shall be equa! to a Merrill Dole Valve, G series flow regulator.

2.04 WATER SERVICE LINE

A.

B.

Conform to AWWA C901.

Ultra-high molecular weight, PE 3406, 3408, 3608, or 4710, IDR of 7 or 9 with a minimum

pressure rating of 160 psi, and suitable for use with potable water.

2.05 PIPING AND FITTINGS

A.

Copper tubing: % inch seamless, thick-wall type L with a minimum wall thickness of 0.045

inches.

1. Only copper tubing is allowed for installations under mobile homes and other homes

without a basement where piping is located in an unheated space.

PEX tubing: % inch cross linked polyethylene tubing, ASTM F876 and F877, and approved for

use with potable water.

Copper tubing fittings: Compression type connections or adapter with union used for copper

pipe equal to those manufactured by Hays Manufacturing Company, A.Y. McDonald, Mueller

Company or Ford Meter Company.

PEX tubing fittings: Crimp fittings specifically manufactured for use on PEX tubing.

. No galvanized fittings are allowed.

2.06 PRESSURE TANK

3.04 PUMP AND DROP PIPE

3.05

3.06

3.07

A.

m

Install pump a minimum of 5 feet to a maximum of 20 feet below the drawdown level

measured from the top of pump unless otherwise directed by the Engineer.

Set and install drop pipe and submersible pump in accordance with state and local codes.

1. Ifa change in pump size is required, the Contractor, Engineer, and Owner shall negotiate

anew pump price.

Install a check valve midway between the pump and pitless adapter in drop pipe greater than

200 feet.

Use tape or approved joint compound on all threaded connections.

The depth limitation for using Schedule 80 PVC is 400 feet.

PE Pipe

1. Install PE pipe in one single length (no couplings) from the pitless unit to the

submersible pump.

2. Install an approved torque arrestor at the pump.

3. Install cable protector devices every 50 feet above the pump to center the PE pipe in the

casing.

4. The depth limitation for PE pipe is 300 feet and the maximum pump size is 1

horsepower.

SUBMERSIBLE CABLE

A.

B.

on

D.

Securely attach submersible pump cable to the drop pipe every 10 feet, using tape or other

method approved by the Engineer.

Provide an extra 12 inches of cable under the well cap.

The only splice allowed in the pump cable will be at the motor and the splices shall be made

using taped, mechanical or resin splices.

Test cables for leakage or shorts using an ohmmeter or megger.

TRENCH EXCAVATION AND BACKFILLING

A. Refer to Section 02315 for excavation and backfilling requirements.

WATER SERVICE LINE

A. Bury water service lines to prevent freezing. Add insulation is sufficient depth cannot be

reached (due to ledge, etc.)

B. Connect water service line to the pitless adapter with a brass or bronze swing joint

connection as shown on the plans.

C. {ifthe water line from the house has been installed, connect the well water service line to the

stubbed out line from the house. Otherwise, extend into the house and connect into the

plumbing for the hydropneumatic tank.

1. Provide a watertight seal on the penetration through the wall.

2. For connecting beneath the home, instail pipe hangers at a maximum spacing of 6 feet

apart for all horizontal copper tubing and 2 feet apart for all horizontal PE pipe inside

the home.

D. Make connections with brass insert adapters and two stainless steel hose clamps or non-flare

brass compression fittings.

E. Where designated by the Engineer, terminate the water service line 5 feet from the house

and cap.

1. Mark the end with a 2 by 4-inch stake painted blue extending 1-foot above grade and 4

feet below grade.

3.10 BACTERIOLOGICAL SAMPLE

A. Provide bacteriological sample for water system after system has been installed and flushed.

B. Contractor shall inform the homeowner(s} not to consume any water until a safe

bacteriological and chemical analysis result has been received.

3.11 PRESSURE TANK AND FITTINGS

A. Place tanks inside home as located by the Engineer and the homeowner.

B. _ Install tanks as shown on the attached drawings, including pressure gauge, pressure switch,

brass tank cross, sample faucet, ball valve and all miscellaneous fittings and adapters.

1. Install sample faucet a minimum of 12-inches above finished floor elevation.

C. Use leveling blocks or hangers when installing tanks.

D. Connect tank to existing plumbing if available.

E. Install tank so that it can be connected to house plumbing.

F. For tanks with a steel inlet fitting use a dielectric union, installed between the inlet pipe and

the brass cross.

G. Install tank and cross such that the tank can be easily removed.

H. Install pressure relief valve if required.

3.12 FINAL DOCUMENTATION

A. Provide pump test information (depth, yield, etc.) and State of Maine well log properly filled

out.

B. Provide water quality analysis.

END OF SECTION

PART 2 - PRODUCTS

2.01 WELL CASING

A.

Steel Well Casing

1. Conform to ASTM AS53, Grade B, Type E, electric resistance welded or Type S, seamless.

2. Each length of pipe shall be clearly marked.

a. Markings shall include manufacturers name, type of pipe, ASTM number and pipe

length.

b. Mill certificates shall be supplied if the Project Engineer deems the casing pipe or

markings to be of questionable condition.

3. Pipe shall be clean and free of oil, grease, rust, or other detrimental materials.

2.02 GRAVEL AND SAND PACK

A. Well rounded uniform grains of washed quartz or approved equal.

B. Weight loss by the acid test shall be Jess than 20%.

C. Gradation specified by the manufacturer of the well screen based on the submitted gradation

of the water bearing formation or as specified by the Project Engineer.

2.03 GROUT

A. Proportion of Portland Cement and the least quantity of water (not over 6 gallons per cubic

foot of cement) required giving a mixture of such consistency that it can be forced through

the grout pipe.

1, Two percent (by weight) of bentonite clay may be added to the mixture to improve flow

properties.

B. Bentonite grout, in lieu of cement, is acceptable if specified in the bid schedule.

PART 3 - EXECUTION

3.01 DRILLING

A.

General

1. State license requirements shall be met.

2. Locate all existing underground utilities.

3. Prevent contaminated water from entering the well.

4, Minimum final yield of 5 gallons per minute for the home is being sought, however, well

should always be developed to its maximum yield. (Contact Project Engineer prior to

abandoning wells producing less than 5 gpm.)

Drill and case wells at the size specified in the bid schedule.

Locate wells as indicated on the plans or as staked by the Project Engineer.

Drill wells no deeper than the depth specified, unless approved by the Project Engineer.

if satisfactory yield is obtained at a lesser depth, terminate drilling and develop at that

depth.

Rotary Method (Mud or Air)

1. Equipment must be in good condition, capable of drilling to 400 feet.

2. Single cased constructions, with well screen if required, gravel pack if required, and

grout.

3. Drill hole shall be sufficiently sized to provide unimpeded casing installation, gravel

packing and grouting.

4. _ Drilling water (mud rotary) shall be disinfected with a chlorine concentration of 50-100

ppm in the water tank.

ON DM

3.05 GROUTING

A.

@

Method used must specify forcing grout under pressure from the bottom of the annular

space to the surface.

Minimum thickness of grout seal is 11/2 inches.

Fill annular space between casing and drill hole with cement grout from 25 feet below

surface to a depth of 9 feet below surface. (State well codes may require additional grout

depth.)

Use temporary casing where necessary to ensure minimum thickness of grout.

No work on the well will be allowed within 72 hours after completion of grouting.

1. If quickset grout is used this period may be reduced to 24 hours if approved by the

Project Engineer.

3.06 TESTING FOR YIELD AND DRAWDOWN

A.

B.

on

G.

H.

Contact Project Engineer two working days prior to the start of test pumping.

Provide all necessary labor, equipment, materials and power required for test pumping.

1. Supply measuring equipment to determine water levels and the rate of pump discharge

to the nearest 0.1-foot and 1 gpm.

2. Provide all piping necessary to convey water away from test pump site.

Test pump wells at 10 gpm unless otherwise directed.

Do not use the actual pumps to be installed in the weil for the test pump operation.

Duration of drawdown test: one hour, unless otherwise directed by the Project Engineer.

1. Take drawdown and pump discharge measurements every 5 minutes for the first halfhour.

2. Take drawdown and pump discharge measurements every 10 minutes for the

remainder of the test.

Record recovery measurements immediately upon completion of test pump for one hour

total, unless otherwise directed by the Project Engineer.

1. Take recovery readings every minute for the first 10 minutes.

2. Take recovery readings every 5 minutes for the remainder of the hour.

If requested by the Project Engineer, take water samples for field chemical analysis test after

test pumping but before grouting.

Remove all temporary-pumping facilities at the conclusion of test pumping.

Submit test pump results to the Project Engineer within 5 days of completion.

3.07 DISINFECTION

A.

Upon completion of test pumping and construction, thoroughly clean the well of all foreign

material (i.e. cement, oil, grease, joint dope, scum, etc.)

Disinfect well with a chlorine solution

1. Prepare solution prior to injection into well.

2. Mix volume and strength such that a minimum concentration of 50 ppm of free residual

chlorine is obtained in all parts of the well for a minimum of 24 hours after injection.

3. Flush casing above static water level with solution.

3.08 CHEMICAL AND BACTERIOLOGICAL ANALYSIS

A.

B.

Take bacteriological samples immediately after disinfection and flushing of each well.

Submit bacteriological samples to State Department of Health or Indian Health Service

approved lab.

1. Provide copy of results within 10 days of receipt of the report.

SECTION 02310

GRADING

PART 1 — GENERAL

1.01 SUMMARY

A. This section includes rough and finished site grading of all areas disturbed during

construction.

1.02 RELATED WORK

A. Section 02315 — Excavation, Trenching and Backfill

B. Section 02920 ~Topsoiling, Seeding, Fertilizing and Mulching

PART 2 - EXECUTION

2.01 ROUGH GRADING

A. Grade the area in the vicinity of the excavation to prevent surface water from flowing into

the excavation.

B. Maintain existing drainage.

2.02 FINISH GRADING

C. Grade site to true grades as specified on the plans after all structures and piping have been

installed.

D. Grade sites for effective drainage away from structures.

E. Dress and trim all slopes.

F. Round off the tops of slopes and toes of slopes.

G. Grade all drainfields so as to ensure proper drainage of water away from field.

H. Place topsoil on all disturbed areas and reseed or sod as soon as possible in accordance with

Section 02920 — Topsoiling, Seeding, Fertilizing and Mulching.

END OF SECTION

All grade shall be at 4H:1V or less to prevent need of additional slope stabilization and ensure

mow-able grade.

If unable to achieve slope of 4H:1V or less, use of turf reinforcement mat, erosion control

blanket, or sod shall be used for slope stabilization.

1. Install turf reinforcement mat or erosion control blanket per manufacturer's

instructions.

PART 3 ~ EXECUTION

3.01 TOPSOIL

A. Grade surface and prepare for placement of topsoil by removing all sticks, debris, litter, wire,

cable, cobbles, and stones any larger than 1/2 inch.

B. Spread stockpiled topsoil and/or loam over all disturbed areas, excluding those where

another type of finished surface is being provided to a depth of no less than 4 inches.

C. Fine grade topsoil/loam surface to finished grade as shown on plans or directed by Engineer.

3,02 LIME AND FERTILIZER

A. Lime shall be applied to area using appropriate application rates as needed.

B. Fertilize all topsoil/loam areas using appropriate fertilizer and application rates as needed.

C. After application of fertilizer and lime, hand rake soils to finished grade and remove all

stones, stumps, sticks, weeds, and debris larger than 1/2 inch in any dimension.

D. If seed bed has become compacted, scarify to a depth of 5 inches prior to fine raking. No

seeding shall be permitted on areas where seed bed has not been properly prepared or

where soil has been compacted,

3.03 SEEDING

A. Sow seed within 24 hours of application and preparation of seedbed. Uniformly sow seed, at

rate specified by use of approved mechanical seed drills, rotary hand seeders, hydraulic

equipment or hydroseed to produce a uniform seed and nutrient application.

1. Seed shall be applied in the appropriate mixture and at the rate specified per Maine

Erosion and Sediment Control Handbook for Construction,

B. Hand rake and/or rolling with light roller may be used in lieu of Mulch unless otherwise

directed by Engineer.

C. All seeded areas shail be watered within 72 hours of seeding. Watering of seeded areas shall

be such that it shall not cause flooding, erode soils, or damage to seeded areas.

D. Areas will not be accepted as complete until generally weed-free, 3-inch stand of grass is

established.

E. Areas that fail to establish growth for any reason whatsoever shall be reseeded until the

areas are covered with a satisfactory growth of grass as approved by Engineer or

Representative.

F. Hydroseeding shall be the preferred application method for all sites.

3.04 MULCHING

A.

B.

All areas shall be mulched with suitable mulch at time of seed application unless otherwise

specified.

Straw mulch applied at 2 ton/acre and anchored with wood fiber mulch (hydromulch) at 500-

750 lbs./acre shall be the preferred method.

END OF SECTION