THE CITY OF NASHUA “The Gate City’
Administrative Services
Purchasing Department
April 30, 2020
Memo #20-104
TO: MAYOR DONCHESS
FINANCE COMMITTEE
SUBJECT: ENERGY RECOVERY UPGRADES — CHANGE ORDER 6 (VALUE: $5,619)
DEPARTMENT: 169 WASTEWATER; FUND: WASTEWATER
Please see the attached communication from David L. Boucher, Superintendent Wastewater Department
dated April 23, 2020 for the information related to this contract.
Gross Margin Percent @15%: $347.25
Total: $2,725.50
Reservation of Rights
This price does not include any amount for impacts such as interference, disruptions, rescheduling, changes in
the sequence of work, delays and/or associated acceleration. We expressly reserve the right to submit our
request for any of these items.
Signed By: Dated: 1/3/2020
MAIN OFFICE BRANCH OFFICE
397 Whittier Highway 92308 American Legion Hwy
Electrical Moultonboro, NH 03254 Westport, MA 02790
Installati ons Tn c 603-253-4525 608-636-8600
ee eth cman FAX 603-253-6284 FAX 508-636-8650
Engineering: Construction - Cartrat Systems
a Heulisndeen, NH 2 VT License EM-2667 ME License 7905 NHLicense 460 MA License 221MR
Potential Change Order Request
18101 —- Nashua, NH - WWTF Primary Tank Upgrade Subject: PLC Processor upgrade for
(DB Rates) required {/O
To Anthony Crespo Number: 481701-C0-003
PLC Processor Upgrade
Scope: The A-B1769L33ER is the processor that was spect and will not work with ihe /O required in PLC-8.
A-B1769L.36ERM is what is need to complete the PLC programming.
4-SUPPLEMENTAL COSTS
DESCRIPTION
UILT DRAWINGS
QTy RATE UNIT SUBTOTAL
§-TOTAE (Item 8 + Bond + General Liability)
Doc #: PCO8
Ref. Document:
PROJECT NAME: Date: 9-Jan-20
Nashua Primary Tank Upgrades
PROJECT NO: 181016
PHASE
COST SUMMARY SHEET
PLC Processor Upgrade
A Nic Labor (Recap Sheet): $0.00
B WiC Materials, & Equipment (Recap Sheet): $0.00
c MC Fee (A x 15%) + (B x 15%): $0.00
DB Subtotal MIC Work (A+B+C): 75 -
E Total Subcontractors (Below): $2,725.50
F MC Mark-up on Subconiractor Work (5%, 7.5% or 16%): | $ 237.00
G Bond (1%} and General Liability (1%): $59.25
Total Proposal (D+E+F+G): $ 3,021.75
Roadway Excavators Inc. » | Estimate 1968
Derry NH 03038 De
603-235-3740
Roadwayexcavates@ aol.com
Estimate To
Methuen Construction
Don Reynolds
Property Address
2 Sawmill st Nashua NH.
Quantity | Description; & , - Amount
° Additional electrical trenches due to
interference with other underground utilities. 3500.00
Bid Proposal for Nashua, NH - 6" Material
METHUEN CONSTRUCTION CO INC
Bid Date: 12/28/2019
Core & Main 1151853
Core & Main
83 Progress Ave
Springfield, MA 01104
Phone: 413-732-8406
Fax: 413-732-8411
Seq# Qty Bescription
Units Price Ext Price
QO 6 N12 AASHTO STIB SOLID. 20' DUAL. WALL 0615002018
: Branch Terms:
0.00 :
‘Jotal =: 137.34
CB-1, Credit DMH-1.
Relocate Electrical Building Deductions
Scope: Credit Note 3 (Abandon LPA). Credit Note 2 Hydrant is special order and is not returnable. Credit
Electrical Building Relocation
Scope: Original excavation to find unknown electrical duct bank. Re-Excavation for new location of building and New utility trench
locations, Core new hele and connect drainage to existing storm drain structure. Remove existing siairs (Reinstall of stairs is not
covered in this PCO). Install new grout between new electrical building and stair tower, Site work costs credits for this PCO include
removing all pavement requested in RFP 4 as well as all Contract pavement (not completed already} shown on contract drawing C-
4
Electrical Building Relocation
Scope: Criginal excavation to find unknown electrical duct bank. Re-Excavation for new location of building and New utility irench
locations. Core new hole and connect drainage to existing storm drain structure. Remove existing stairs (Reinstall of stairs is not
covered in this PCO). Install new grout between new electrical building and stair tower. Site work costs credits for this PCO include
removing all pavement requested in RFP 4 as well as all Contract pavement (not completed already) shown on contract drawing C-
4
