HomeMy WebLinkAboutContract 22442244
AtF~ CC~ND['"f`IONII~G 4 HEATING ^' €~LC.1MBlh,lG REFFiIGE[~ATlC?N SHEET METAL
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December 1, 2409
City of Columbia Heights
590 40th Avenue NE RE: City Hall Rooftop Replacement - 7.5 Ton
Columbia Heights MN 55421
Attn: Linda Magee
NS/I Horwitz is pleased to propose the following to address the replacement of the 7.5 ton Carrier rooftop unit.
The current rooftop unit has a failed heat exchanger. The unit is not operable and would create a hazardous
situation if it is allowed #o function in its current state. I have proposed a few different options for you to choose
from.
Standard Efficiency Option
This option is the cost to replace the unit with a similarly sized and featured unit.
High Efficiency Option
This option would consist of a high efficiency unit which would substantially reduce your operating cost and
qualifies for utility company rebates. This option offers a much better return on investment and is a very good
idea considering the extra cost associated with the installation will be offset by the lower operating cost and
rebate incentives. 1 have also included the cost of a new programmable thermostat to replace the existing control.
Repair Option
This option is the estimated cost to repair the existing unit and replace the failed heat exchanger and associated
components. Depending on the severity of the damage and the amount of labor required this cast may vary.
Because the existing rooftop is 20 years old, it has surpassed its manufacturers estimated lifespan. Therefore,
we do not recommend major component replacement such as the heat exchanger, coils, ar compressor.
The scope of work includes the fioilawing:
a) Remove and properly dispose of the existing equipment.
b) Furnish and instal(a new Carrier, standard efficiency model #48TME008 7.5 ton gas/electric rooftop unit, or
a Carier high efficiency Model 48TCED08A2G5-OBOAO. These units are equipped with an economizer,
smoke alarm functions and hail guards.
c) Furnish and install curb adapter necessary to facilitate installation.
d) Furnish and install necessary pipe and fittings to connect gas line.
e) Provide alf permi#s and inspections for legal and proper installation.
f) Provide one year parts and labor warranty on installed equipment.
TOTAL INSTALLED COST - Standard Efficiency Option ......................... $ 9,990.00
t _~._ . ___ _ - -~ _,. i
_._ -_ ~gh Efficiency Opt
~.
~_~~_.._...-.~~.~ ion .............................. $11,980 00
m_ __~ _~_.________ _..__. _ . _.
Repair Option ........................................... $ 3,500.00 - $4,000.00
Page 2
EXCLUDED
1) Overtime
2) Major electricai modification beyond unhook and reconnect.
3} Duct modifications.
Thank you for the opportunity to provide this proposal.
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~ ~~'~"`~~ December 22 2009
City of Columbia Heights
590 40`h Avenue NE RE: City Hall
Columbia Heights MN
Attn: Linda L. Magee
The low wa#er cut off on the Bryan boiler in the old police/fire department does not comply with the
new standards for bailer safety and inspections, and has been recommended for replacement by the
city insurance inspector.
The cost to replace the existing low water cut off is ........................................ $1,490.00
;~~ ~urzrt~s{ to fu., s;,t; ra~_+e not ti~r,,. M.~ha;......a?n~snb~ae +rt acrordaa eE w,h :-.t, ~ c- s;~es€;~w;~Ncirr ~r Fpaw .tin et
..ry_.......q_./.....;..g.#...~_"_._O^gNE THOUSA~N~D~ FOUR HUNDRED NINETY DOLLARS QO/100--/-~------------~-~a~~zr _ __ 1490.00 __ -__'
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AIR CONDITIONING - HEATING - PLUMBING - REFRIGERATION SHEET METAL
/® NNII MECHANICAL CONTRACTING CO.
G7/?1t1iTZ~~ 4401 QUEBEC AVENUE N • NEW HOPE. MN 55428 • PHONE (763 235-9833 • FAX (763J 235-9810
MECFi FiNIC AL CONSTRUCTION
Ls' DER VICE
December 17 2009
City of Columbia Heights
590 40th Avenue NE RE: City Hall
Columbia Heights MN 55421
Attn: Linda L. Magee
The flame safeguard control for the Bryan boiler in the old Police/Fire Department area is original and
should be upgraded to a new solid state electronic control to make it more reliable. It was found to be
locked out last Tuesday, December 8 and the building was down to 55°F.
Upgrade the old style RA890 to a new electronic RM 7890 with subbase, ultraviolet amplifier, and
necessary wiring.
TOTAL INSTALLED COST ....................................................... $1,930.00
`. € hF .t}y tt; furnrsn mat f ai a~:. Taber - ~nmpiete in accordarxe wrth a.`,owe sFer_ificatron, far the sum of
ONE THOUSAND NINE HUNDRED THIRTY DOLLARS 00/100---------------------aotrars~c~ 1 930.OU
r~`'t~ ~~°'~NT t,. ...- narie ____.l.~pQn~s~l~tls~.n_ as the work ,,:ngrrrsses `o the ;a!urz of 1~0 (`b 1 per cent alf ork onr ie e and matersaI un doh Bite
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