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A-3.2 (3)

BIDDER acknowledges receipt of the following ADDENDUM:

BASE BID: BIDDER agrees to perform all the work described in the CONTRACT DOCUMENTS for
the following LUMP SUM PRICE excluding Alternate 1

Dollars and Cents §$
(Use words) (Use figures)

ALTERNATE 1: BIDDER agrees to replace ceiling in thickening room with ceiling tiles
as specified in Section 09 51 00 and as indicated in the General Notes on Drawing E-003
for the following LUMP SUM PRICE

Dollars and Cents $
(Use words) (Use figures)

NOTE: NOTE CITY IS EXEMPT FROM SALES TAX. BIDS shall include salestaxaned-all

other applicable taxes and fees.

The BIDDER shall state below what works of a similar character to that of the proposed contract he
has performed, and provide such references as will enable the Owner to judge his experience, skill, and

business standing.

All questions must be answered and the data given must be clear and comprehensive. This statement

must be notarized. If necessary, add separate sheets.

ADDENDUM NO. 3

A-3.3 (3)

1. Name of Bidder.

2. Permanent Main Office address.

3. When organized?

4. Where incorporated?

5. Is bidder registered with the Secretary of the State to do business in New Hampshire?

6. For how many years has your firm engaged in the contracting business under its present name?
Also state names and dates of previous firm names, if any.

7. Contracts on hand. (Schedule these, showing gross amount of each contract and the
approximate anticipated dates of completion.)

8. General character of work performed by your company.
9. Have you ever failed to complete any work awarded you in the scheduled contract time,
including approved time extensions? _ (Yes) __ (No).

If so, where and why?

10. Have you ever defaulted on a contract? __ (Yes) ___ (No)
If so, where and why?

11. Have you ever had liquidated damages assessed on a contract? ___ (Yes) __ (No)
If so, where and why?

12. List the more important contracts recently executed by your company, stating approximate cost
for each, and the month and year completed.

13. List your major equipment available for this contract.

14. List your key personnel such as Project Superintendent and foreman available for this contract.

15. List any subcontractors whom you would expect to use for the following (unless this work is to
be done by your own organization):

a. Civil Engineering
b. Utility Installation
c. Other work
16. With what banks do you conduct business?

17. Do you grant the Engineer permission to contact this (these) institutions? __ (Yes) _ (No)
NOTE: Bidders may be required to furnish their latest financial statement as part of the award
process.

ADDENDUM NO. 3

Project Number: 228730 WWTEF SCADA Upgrades
Issue Date: AugustSeptember, 2017 Nashua, NH

SECTION 01 11 00
SUMMARY OF WORK

PART 1 — GENERAL
1.01 SECTION INCLUDES

A. Project Description

B. Description of the Work

C. Coordination and Sequencing
1.02 PROJECT DESCRIPTION

A. The Work is located at the wastewater treatment facility in the main process
building and in various ancillary equipment buildings near the main process
building. The Work generally consists of varying degrees of electrical,
instrumentation, and controls upgrades associated with the SCADA system that
supports the wastewater systems in the City; and all materials and equipment,
services and construction inherent to the Work.

1.03 DESCRIPTION OF THE WORK

A. The Work includes labor, materials, equipment, and services required for
construction, testing, and commissioning of the Project in accordance with the
Contract Documents and as more specifically described in the Specifications and
Drawings. It includes, but is not limited to, the following principal features:

1. Process Building: Demolition of consoles, leveling of associated floor
surfaces, installation of new programmable logic controllers, Ethernet
switches, Ethernet input/output cards, computers, and Operator Interface
Terminals. Installation of entire new control panels. Installation of new
network hardware in server room. Installation of new conduit runs to allow
replacement of existing fiber optic network switch and securing of new
connection in server room. Software will be upgraded by the Contractor and
all necessary devices will be reprogrammed by Engineer.

2. Ancillary Buildings: Demolition of consoles, leveling of associated floor
surfaces, installation of new programmable logic controllers, Ethernet
switches, Ethernet input/output cards, computers, and Operator Interface
Terminals. Installation of entire new control panels.

2B. ALTERNATE 1 (only if awarded by Owner): Replace ceiling in thickening room

with ceiling tiles as specified in Section 09 51 00 and as indicated in the General
Notes on Drawing E-003.

ADDENDUM NO. 3 SUMMARY OF WORK
WOODARD & CURRAN 01 1100-1 (3)

Project Number: 228730 WWTEF SCADA Upgrades
Issue Date: AugustSeptember, 2017 Nashua, NH

1.04 COORDINATION AND SEQUENCING
A. Coordination

1. Ensure that facilities and wastewater system flows are maintained and
remain in service at all times unless otherwise approved.

a. Obtain written approval of Owner for shutdowns. Notify Engineer a
minimum of two weeks prior to any required shutdowns.

b. Prepare a Shutdown Plan for each requested shutdown indicating
what existing valves must be operated by Owner personnel during
the shutdown.

C. Coordinate Work with the Owner and provide public notice, as
required.
2. Maintain access to facilities for the Owner throughout the Project.
B. Sequence
1. Sequence Work to minimize shutdowns and reflect sequencing in the

construction schedule.

2. Sequence Work to minimize disruption to normal facility operations and to
maintain strict compliance with applicable federal, state_and local permit

discharge standards. Use _finish-to-start_relationships_as_the primary
dependency between tasks on the project (i.e. new panel must be installed

tested and operational before dismantling existing control panel.)
PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION - NOT USED

END OF SECTION

ADDENDUM NO. 3 SUMMARY OF WORK
WOODARD & CURRAN 01 1100-2 (3)

Project Number: 228730 WWTEF SCADA Upgrades
Issue Date: AugustSeptember 2017 Nashua, NH

PART 3 - EXECUTION

3.01 GENERAL
Project Identification
Progress Cleaning and Waste Removal

3.02 OVERALL EXECUTION REQUIREMENTS
Coordination
Record Documents

3.03 STARTUP, TESTING, AND COMMISSIONING
Spare Parts
Checkout and Starting Systems
Starting, Adjusting, and Balancing
Startup and Commissioning/Performance Testing

3.04 ATTACHMENTS
1.02 PRICE AND PAYMENT PROCEDURES
A. Schedule of Values
1. Submit preliminary and final Schedule of Values.

2. Provide sufficient detail to allow for determination of the value of the Work
at any degree of completion. Identify number and title of related
specification sections in accordance with the Table of Contents._Show

separate costs for demolition and concrete work organized by building/work

area.
B. Payment Procedures
1. Use application for payment form attached.
2. Payment Period: at intervals stipulated in the Agreement.

C. Change Procedures

1. Utilize forms included included in the Contract Documents or attached to
this section.

a. Field Order: issued by Engineer or Owner to advise of minor
changes in the Work not involving an adjustment to Contract Price
or Contract Time.

b. Change Request: issued by Engineer, Owner or Contractor to
request or authorize minor variations and deviations, amendments
or supplements to the Contract Documents. Initiate requests for
substitute items using a Change Request.

ADDENDUM NO. 3 OVERALL GENERAL REQUIREMENTS
WOODARD & CURRAN 01 11 05-2 (3)

Project Number: 228730

WWTE SCADA Upgrades

Issue Date: AugustSeptember 2017 Nashua, NH
e Procedures for testing
e Procedures for maintaining record documents
e Requirements for start-up
e Inspection and acceptance of equipment put into service during

construction period
e Access, laydown and coordination with others

Engineer will record minutes and distribute draft copies prior to the
next scheduled meeting to Owner and Contractor for review, then
revise as required and distribute within 2 weeks thereafter to
meeting participants, with copies to Owner and Contractor, and
those affected by decisions made.

7. Progress Meetings

a.

ADDENDUM NO. 3
WOODARD & CURRAN

Owner to schedule progress meetings beginning no later than 60
days after the Initial Conference and continue thereafter on a
meonthh-biweekly basis throughout progress of the Work.

Attendance required by Contractor, Contractor's Superintendent,
major Subcontractors and Suppliers, Owner and Engineer as
appropriate to agenda topics for each meeting.

Agenda:

Review minutes of previous meetings

Unresolved Issues

Review Work progress

Observations, problems, and decisions

Identification of problems which impede planned progress
Review of Schedule of Submittals and status of submittals
Review of off-Site fabrication and delivery schedules
Maintenance of progress schedule

Corrective measures to regain projected schedules
Planned progress during succeeding Work period
Coordination of projected progress

Maintenance of quality and Work standards

Effect of proposed changes on Progress Schedule and
coordination

e Other business relating to Work

Engineer will record minutes and distribute draft copies prior to the
next scheduled meeting to Owner and Contractor for review, then
revise as required and distribute within 2 weeks thereafter to
meeting participants, with copies to Owner and Contractor, and
those affected by decisions made.

OVERALL GENERAL REQUIREMENTS
01 1105-6 (3)

Project Number: 228730 WWTE SCADA Upgrades
Issue Date: AugustSeptember 2017 Nashua, NH
8. Pre-installation Conference and Coordination Meetings

a. When required, convene a pre-installation conference at Site before
commencing certain Work that requires coordination or has special
requirements or approvals or convene coordination meetings as may
be generally required.

b. Attendance required by parties directly affecting, or affected by,
Work of the specific Specification section. Notify Owner and
Engineer 5 days in advance of pre-installation conference. Party
requesting general coordination meeting to notify other party.

C. Review conditions, preparation and procedures, and coordination
with related Work.

B. Documentation of Progress
1. Submit preliminary and final Progress Schedules.

a. Show complete sequence of construction by activity, identifying
Work of separate stages and other logically grouped activities.
Indicate the early and late start, early and late finish, float dates, and
duration.___Reflect_Owner’s and Engineer’s approved cutover
requirements.

a-b.___ Reflect required sequencing to minimize disruption to normal
facility operations and to maintain strict compliance with applicable
federal, state and local permit discharge standards. Show finish-to-
start relationships as the primary dependency between tasks on the

roject (i.e. new panel must be installed, tested_and operational
before dismantling existing control panel.

b-c.___ Indicate estimated percentage of completion for each item of Work
at each submission.

¢-d___ Indicate dates for fabrication, factory testing, delivery, shipping and
field testing, and material and equipment delivery dates, including
those furnished by Owner. Coordinate with Schedule of Submittals.

2. Submit revised Progress Schedule on monthly basis and with each

Application for Payment, identifying changes since previous version.

Coordinate content with Schedule of Values, if any.

3. Submit weekly Safety Reports signed by the responsible on-Site person.

4. Provide documentation of pre-construction conditions, construction
progress, and final conditions with photographs*. Identify date, time,
orientation and Project identification.

a. Provide photographs PDF or JPG format, minimum 300 dpi quality
and a minimum resolution of 6.0 megapixels.

ADDENDUM NO. 3 OVERALL GENERAL REQUIREMENTS

WOODARD & CURRAN 01 1105-7 (3)

Project Number: 228730 WWTEF SCADA Upgrades
Issue Date: AugustSeptember 2017 Nashua, NH

1) Photograph all areas of the Project Site in the presence of the
Engineer to establish a record of pre-construction conditions.
Ensure existing conditions of roadway surfaces, curbing,
berms, sidewalks, driveways, property bounds, landscaped
areas, abutters’ property and any other items that might be
affected by the Work are clearly recorded.

2) Photograph construction progress and submit monthly with
Payment Application during progress of Work.

3) Photograph all areas of the Project Site to document final
conditions and submit with Application for Final aPayment.

b. Submit a copy of photographs to the Engineer for review of quality.
Once approved, submit 2 copies of photographs. Re-take any
photograph furnished which, in the opinion of the Engineer, is of
poor quality or incomplete at no additional cost to Owner.

C. Submittal Procedures

1. Schedule submittals to expedite the Project and coordinate with schedules
required by Paragraph 1.03.B above. Deliver each submittal in the quantity
indicated to Engineer (with copy to Owner where required) as follows..
Coordinate submission of related items.

Engineer: Woodard & Curran, Inc.
41 Hutchins Drive, Portland, ME 04102
080 Washi St Suite 325
echo bas Ge
Attention: RebertDavis, Aaron Kitchen

Telephone: @8)-643-0644 (207) 558-3866
Email: secccceccodercdensaest

akitchen(@woodardcurran.com

Owner: Nashua Wastewater Department
2 Sawmill Rd.
Nashua, NH 03060
Attention: William Keating, P.E., Project Manager
Email: KeatingW@nashuanh.gov

2. Present submittals in a clear and thorough manner, in English and using
English units. Use sheet size of not less than 8 1/2 by 11 inches and not
more than 24 by 36 inches. Provide space for Contractor, Engineer, and
Owner's review stamps.

3. Revise and resubmit documents as required. Identify all changes made
since previous submittal. Distribute copies of reviewed submittals to
concerned parties. Instruct parties to promptly report any inability to
comply with provisions. Submittals not requested on the submittal schedule
may not be recognized or processed.

ADDENDUM NO. 3 OVERALL GENERAL REQUIREMENTS
WOODARD & CURRAN 01 1105-8 (3)

Project Number: 228730

WWTE SCADA Upgrades

Issue Date: AugustSeptember 2017 Nashua, NH
3.03 STARTUP, TESTING, AND COMMISSIONING

A. Spare Parts

1.

Provide spare parts required for construction, startup, testing and
commissioning of the Work prior to achievement of Substantial
Completion, including spare parts for flushing and consumable supplies
such as bolts, nuts, gaskets, filters, insulating tape, etc., normally consumed
in the construction, commissioning and testing.

If spare parts are purchased by Owner, Contractor shall have the right to use
the spare parts purchased by Owner provided that such spare parts are
replaced prior to Substantial Completion at Contractor’s expense.
Replacement spare parts, replaced by Contractor, shall be new, unused and
identical as the original spare part used.

B. Checkout and Starting Systems

1.

ADDENDUM NO. 3

Coordinate schedule for startup and operation of various equipment and

systems with Owner._Coordinate with and obtain approval from Owner and
Engineer for cutover scheduling.

Notify Owner 7 days before startup of each major piece of equipment or
system, including a staffing request for Owner’s operations and
maintenance personnel required to adequately and safely support each
specific start-up and operation activity.

Verify that each system or piece of equipment item has been assembled,
constructed, or completed in accordance with the Contract Documents and
capable of functioning as intended.

Verify that each piece of equipment or system has been checked for proper
lubrication, drive rotation, magnetic center alignment, belt tension, control
sequence, or other conditions which may cause damage.

Verify that each piece of equipment or system has successfully completed
construction testing and cold commissioning, including hydrostatic testing,
loop checks, relay checks, calibration, and continuity checks and that all
tests, meter readings, and specified electrical characteristics agree with
those required by the equipment or system manufacturer.

Verify wiring and support components for equipment are complete and
tested.

Execute start up under supervision of responsible manufacturers’
representative or Contractor's personnel in accordance with manufacturers'
instructions utilizing Owner’s qualified operations and maintenance staff
trained by Contractor.

OVERALL GENERAL REQUIREMENTS

WOODARD & CURRAN 0111 05-24 (3)

Project Number: 228730 WWTEF SCADA Upgrades
Issue Date: September 2017 Nashua, NH

SECTION 09 51 00

ACOUSTICAL CEILINGS
PART 1 — GENERAL
1.01 SUMMARY
A. Section Includes
1. Provide acoustical ceilings in accordance with this Section and applicable

reference standards listed in Article 1.03.
B. Products Furnished But Not Installed Under This Section
1. Furnish 5 spare tiles, from the same lot as those installed.
1.02 PRICE AND PAYMENT PROCEDURES
A. Measurement and payment requirements: per Division 01 General Requirements.
1.03 REFERENCES
A. Reference Standards
1. ASTM International (ASTM)

a. ASTM A_ 1008/A 1008M Steel Sheet, Cold-Rolled, Carbon,
Structural, High-Strength Low-Alloy and High-Strength Low-Alloy
with Improved Formability

b. ASTM A 489 Carbon Steel Lifting Eyes

C. ASTM A 641/A 641M Zinc-Coated (Galvanized) Carbon Steel
Wire

d. ASTM A 653/A 653M Standard Specification for Steel Sheet, Zinc-
Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by
the Hot-Dip Process

e. ASTM B 633 Electrodeposited Coatings of Zinc on Iron and Steel

f. ASTM C 423 Sound Absorption and Sound Absorption Coefficients
by the Reverberation Room Method

g. ASTM C 635 Manufacture, Performance, and Testing of Metal
Suspension Systems for Acoustical Tile and Lay-In Panel Ceilings

h. ASTM C 636 Installation of Metal Ceiling Suspension Systems for
Acoustical Tile and Lay-In Panels

ADDENDUM NO. 3 ACOUSTICAL CEILINGS
WOODARD & CURRAN 09 51 00-1 (3)