DIVISION 9
TECHNICAL SPECIFICATIONS
SANBORN | | HEAD
Building Trust. Engineering Success.
TECHNICAL SPECIFICATIONS
2017 LANDFILL GAS SYSTEM EXPANSION
Four Hills Landfill
Nashua, New Hampshire
nly y File No, 3066.07
Ss oo WEW Ny Uy August 2016
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SANBORN, HEAD & ASSOCIATES, INC. www.sanbornhead.com
CONTENTS
DIVISION 1 - GENERAL REQUIREMENTS
Section 01110 - Summary of Work
Section 01290 - Measurement and Payment
Section 01310 - Project Coordination and Meetings
Section 01320 - Survey Control
Section 01330 - Submittals
Section 01450 - Quality Control
Section 01520 - Construction Facilities and Temporary Controls
Section 01780 - Project Record Documents
SANBORN
HEAD
SECTION 01110
SUMMARY OF WORK
PART 1 - GENERAL
11 ITEMS OF WORK
A.
The major items of Work associated with the construction of the landfill gas
collection and control system (GCCS) include, but are not limited to the
following:
1. Providing construction layout and documentation survey.
2. Excavating and backfilling trenches and relocating waste associated with
excavations to the active landfill as directed by OWNER.
3. Furnishing materials for and constructing gas collection trenches.
4. Furnishing and installing DrainTube™ drainage geocomposite for gas
collection and control.
5. Furnishing and installing wellhead assemblies.
6. Furnishing and installing bentonite seals.
7. Furnishing, welding, and installing gas collection and conveyance piping.
8. Connecting installed gas conveyance piping to the existing gas collection
and conveyance system.
9. Furnishing and installing submersible dewatering pumps, wells caps, and
appurtenances.
10. Furnishing, welding, and installing compressed air pipe.
11. Furnishing, welding, and installing liquid condensate main drain pipe.
12. Connecting the installed compressed air pipe to the existing compressed
air line pipe at Condensate Manhole No. MH-5.
13. Connecting the installed condensate main pipe to the leachate collection
system cleanout at LP-4.
14. Implementing odor control measures during waste excavation activities.
12 AVAILABILITY OF SOIL MATERIALS
A.
B.
Soils are available on site and may be used as backfill within the landfill.
CONTRACTOR shall coordinate use of on-site materials with OWNER.
All other soil materials are not available on-site.
13 SPECIAL REQUIREMENTS
A.
The project is located at an active landfill facility. CONTRACTOR shall
coordinate the Work with facility operating staff. The Work shall be completed
in a manner that provides continuous and unlimited access to the active
landfill areas by waste hauling and landfill operation vehicles during facility
operating hours.
SANBORN HEAD
Section 01110 - Summary of Work Page 2 of 2
August 2016
B.
3066.07
Existing GCCS features are located throughout the site. CONTRACTOR shall
locate and protect the existing GCCS features against damage. Damaged
features shall be repaired or replaced to the satisfaction of ENGINEER and
OWNER at CONTRACTOR’s expense.
Construction activities at the site must be performed during daylight hours
between 7:00 am and 4:00 pm Monday through Friday.
14 WORK PERFORMED UNDER SEPARATE CONTRACTS
A.
This work will be performed independently of other contracts.
PART 2 - PRODUCTS
Not used.
PART 3 - EXECUTION
Not used.
[END OF SECTION 01110]
SANBORN HEAD
SECTION 01290
MEASUREMENT AND PAYMENT
PART 1 - GENERAL
1.1 MEASUREMENT OF QUANTITIES
A.
B.
Measurements will not be obtained for lump sum items.
ENGINEER shall verify measurements for all unit price Contract items to
evaluate progress payment applications, and to confirm final quantities of
Work in place prior to the final payment of the Contract based upon digital
Record Drawing provided by CONTRACTOR.
All units of measurement shall be standard United States units as applied to
the specific items of work and as interpreted by ENGINEER. Area
measurements shall be calculated in PLAN VIEW. Additional compensation for
slope adjustments will not be considered.
12 PAYMENT
A.
For lump sum payment items, payments to CONTRACTOR will be based upon
CONTRACTOR’s estimate of percentage completion of the lump sum tasks
unless stated otherwise in the Bid Item Definitions. The estimate shall be
based on approximated quantities of Work completed in accordance with the
Drawings and Specifications and shall be reviewed and approved by
ENGINEER.
For non-lump sum payment items, payments to CONTRACTOR will be made for
the actual quantities of Work completed and accepted in accordance with the
Drawings and Specifications. Upon completion of the construction, if these
actual quantities show either an increase or a decrease from the quantities
given in the Bid Form, then the Contract unit prices will still prevail, except as
provided Parts 1.5 and 1.6 of this Section.
CONTRACTOR shall accept as compensation, full payment for furnishing all
materials, labor, tools, equipment, and incidentals necessary to complete the
Work and for performing all Work contemplated and embraced by the
Contract. The payment shall be made with the prices contained in the Bid
Form, which shall include compensation for all loss or damage that may result
from the nature of the Work, or from the action of the elements, or from any
unforeseen difficulties that may be encountered during the execution of the
Work and until its final acceptance by ENGINEER, and for all risks of every
description, connected with the execution of the Work, except as provided
herein; also for all expenses incurred in consequence of the suspension of the
Work as herein authorized.
SANBORN HEAD
Section 01290 — Measurement and Payment Page 2 of 4
August 2016
3066.07
1.3
1.4
D.
Retainage will be with held as defined in the Bid Documents.
PARTIAL PAYMENTS:
A.
Partial payments shall be made as the work progresses. All partial invoices
and payments shall be subject to correction in the final quantity invoice and
payment.
Prior to request for partial payment, an authorized representative of
CONTRACTOR shall meet with ENGINEER to determine and agree upon
quantities of unit price Work accomplished and/or completed during the Work
period. Following the meeting with ENGINEER, CONTRACTOR will prepare in
digital format, a spreadsheet approved by ENGINEER with a breakdown of all
quantities and requested values. The spreadsheet will tally all payments items
and will included at a minimum all previous payment applications, materials
stored, materials incorporated each period, change orders, retainage, percent
complete, total payments to date, and total contract value remaining.
CONTRACTOR will prepare an “Application for Payment” form as part of his
partial payment request. An updated Project Schedule shall be provided with
each application.
The completed “Application for Payment” form will provide the basis of
ENGINEER’s review of quantity estimates upon which payment will be made.
Items not appearing on the “Application for Payment” form will not be
considered for payment.
An item of Work, or portion thereof, will not be deemed complete and ready
for payment if CONTRACTOR’s Record Drawings are not up-to-date with
respect to that item.
A progress payment shall not be required, nor shall payment be made, when, in
the opinion of ENGINEER, the Work is not proceeding in accordance with the
provisions of the Contract.
PAYMENT FOR MATERIALS ON HAND
A.
If requested by CONTRACTOR, and at the discretion of ENGINEER and OWNER,
payment may be made for all or part of the value of acceptable, non-perishable
materials and equipment that will be incorporated in the Work provided that
said materials and equipment have been delivered to the Site or other
acceptable storage places, and were not used at the time the application for
payment.
In order for payment to be made on stored materials and equipment, the
application for payment shall be accompanied by receipts for said items.
SANBORN HEAD
Section 01290 — Measurement and Payment Page 3 of 4
August 2016 3066.07
C. Materials and Equipment paid for by OWNER prior to installation shall become
the property of OWNER and in the event of default on the part of
CONTRACTOR, OWNER may use, or cause to be used, these materials and
equipment in the construction of the Work.
D. CONTRACTOR shall be responsible for any damage to, or loss of, stored
materials and equipment.
E. The amount paid by OWNER for stored materials and equipment shall reduce
estimated amounts due to CONTRACTOR as the material is used in the Work.
1.5 PAYMENT FOR INCREASED OR DECREASED QUANTITIES
1.6
1.7
1.8
A.
Payment for unit price adjustments shall be made when alterations in the
Work quantities not requiring supplemental agreements are ordered and
performed. CONTRACTOR shall accept payment in full at the Contract unit
price for the actual Work quantities performed. No allowance will be made
for anticipated profits.
ELIMINATED CONTRACT ITEMS
A. OWNER or ENGINEER may eliminate any item from the Contract should they
be found unnecessary for the proper completion of the Work. Such action shall
in no way invalidate the Contract, and no allowance will be made for
eliminated items in final payments to CONTRACTOR.
INCIDENTAL WORK
A. Incidental work items that payment is not measured nor made, include, but are
not limited to:
1. Clean up.
2 Site restoration.
3. Cooperation with the facility operations staff.
4. Traffic regulation.
5. Survey control and survey required for Payment Applications and Record
Drawings.
6. Progress Project Scheduling.
7. Project Record Drawings.
8. All other work indicated in the Contract Documents and not specifically
listed among the bid items.
BID ITEM DEFINITIONS
A. Bid item definitions are provided in the Bid Documents.
SANBORN HEAD
CITY OF NASHUA, NEW HAMPSHIRE
DIVISION AND DEPARTMENT HEADS
FISCAL YEAR 2021
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Susan Lovering
Tim Cummings
Kimberly Kleiner
Richard Vincent
Kelly Parkinson
Jennifer Deshaies
John L. Griffin
David G. Fredette
Patricia Barry
Rosemarie Evans
Section 01290 — Measurement and Payment Page 4 of 4
August 2016 3066.07
PART 2 - PRODUCTS
Not Used.
PART 3 - EXECUTION
Not Used.
[END OF SECTION 01290]
SANBORN ll HEAD
